361 files changed, 10498 insertions, 4885 deletions

diff --git a/src/3rdparty/phonon/ds9/mediagraph.cpp b/src/3rdparty/phonon/ds9/mediagraph.cpp
index 3e7a68b..153cd7e 100644
--- a/src/3rdparty/phonon/ds9/mediagraph.cpp
+++ b/src/3rdparty/phonon/ds9/mediagraph.cpp
@@ -781,6 +781,23 @@ namespace Phonon
                 }
             }
 
+            const QList<OutputPin> demuxOutputs = BackendNode::pins(m_demux, PINDIR_OUTPUT);
+            for (int i = 0; i < demuxOutputs.count(); ++i) {
+                //...and the output must be decoded
+                QAMMediaType type;
+                hr = demuxOutputs.at(i)->ConnectionMediaType(&type);
+                if (FAILED(hr)) {
+                    continue;
+                }
+
+                if (type.majortype == MEDIATYPE_Video) {
+                    m_hasVideo = true;
+                } else if (type.majortype == MEDIATYPE_Audio) {
+                    m_hasAudio = true;
+                }
+            }
+
+
             for (int i = 0; i < m_decoders.count(); ++i) {
                 QList<Filter> chain = getFilterChain(m_demux, m_decoders.at(i));
                 for (int i = 0; i < chain.count(); ++i) {
@@ -806,14 +823,11 @@ namespace Phonon
             }
 
             //we need to do something smart to detect if the streams are unencoded
-            if (m_demux) {
-                const QList<OutputPin> outputs = BackendNode::pins(m_demux, PINDIR_OUTPUT);
-                for (int i = 0; i < outputs.count(); ++i) {
-                    const OutputPin &out = outputs.at(i);
-                    InputPin pin;
-                    if (out->ConnectedTo(pin.pparam()) == HRESULT(VFW_E_NOT_CONNECTED)) {
-                        m_decoderPins += out; //unconnected outputs can be decoded outputs
-                    }
+            for (int i = 0; i < demuxOutputs.count(); ++i) {
+                const OutputPin &out = demuxOutputs.at(i);
+                InputPin pin;
+                if (out->ConnectedTo(pin.pparam()) == HRESULT(VFW_E_NOT_CONNECTED)) {
+                    m_decoderPins += out; //unconnected outputs can be decoded outputs
                 }
             }
 
diff --git a/src/3rdparty/wayland/qwaylandwindowmanager-client-protocol.h b/src/3rdparty/wayland/qwaylandwindowmanager-client-protocol.h
new file mode 100644
index 0000000..73673ae
--- /dev/null
+++ b/src/3rdparty/wayland/qwaylandwindowmanager-client-protocol.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2010 Kristian Høgsberg
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+
+#ifndef WAYLAND_WINDOWMANAGER_CLIENT_PROTOCOL_H
+#define WAYLAND_WINDOWMANAGER_CLIENT_PROTOCOL_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stddef.h>
+#include "wayland-util.h"
+
+struct wl_client;
+
+struct wl_windowmanager;
+
+struct wl_proxy;
+
+extern void
+wl_proxy_marshal(struct wl_proxy *p, uint32_t opcode, ...);
+extern struct wl_proxy *
+wl_proxy_create(struct wl_proxy *factory,
+                const struct wl_interface *interface);
+extern struct wl_proxy *
+wl_proxy_create_for_id(struct wl_display *display,
+                       const struct wl_interface *interface, uint32_t id);
+extern void
+wl_proxy_destroy(struct wl_proxy *proxy);
+
+extern int
+wl_proxy_add_listener(struct wl_proxy *proxy,
+                      void (**implementation)(void), void *data);
+
+extern void
+wl_proxy_set_user_data(struct wl_proxy *proxy, void *user_data);
+
+extern void *
+wl_proxy_get_user_data(struct wl_proxy *proxy);
+
+extern const struct wl_interface wl_windowmanager_interface;
+
+#define wl_WINDOWMANAGER_MAP_CLIENT_TO_PROCESS	0
+#define wl_WINDOWMANAGER_AUTHENTICATE_WITH_TOKEN	1
+
+static inline struct wl_windowmanager *
+wl_windowmanager_create(struct wl_display *display, uint32_t id)
+{
+        return (struct wl_windowmanager *)
+                wl_proxy_create_for_id(display, &wl_windowmanager_interface, id);
+}
+
+static inline void
+wl_windowmanager_set_user_data(struct wl_windowmanager *wl_windowmanager, void *user_data)
+{
+        wl_proxy_set_user_data((struct wl_proxy *) wl_windowmanager, user_data);
+}
+
+static inline void *
+wl_windowmanager_get_user_data(struct wl_windowmanager *wl_windowmanager)
+{
+        return wl_proxy_get_user_data((struct wl_proxy *) wl_windowmanager);
+}
+
+static inline void
+wl_windowmanager_destroy(struct wl_windowmanager *wl_windowmanager)
+{
+        wl_proxy_destroy((struct wl_proxy *) wl_windowmanager);
+}
+
+static inline void
+wl_windowmanager_map_client_to_process(struct wl_windowmanager *wl_windowmanager, uint32_t processid)
+{
+        wl_proxy_marshal((struct wl_proxy *) wl_windowmanager,
+                         wl_WINDOWMANAGER_MAP_CLIENT_TO_PROCESS, processid);
+}
+
+static inline void
+wl_windowmanager_authenticate_with_token(struct wl_windowmanager *wl_windowmanager, const char *wl_authentication_token)
+{
+        wl_proxy_marshal((struct wl_proxy *) wl_windowmanager,
+                         wl_WINDOWMANAGER_AUTHENTICATE_WITH_TOKEN, wl_authentication_token);
+}
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/3rdparty/wayland/wayland-windowmanager-protocol.c b/src/3rdparty/wayland/wayland-windowmanager-protocol.c
new file mode 100644
index 0000000..0250801
--- /dev/null
+++ b/src/3rdparty/wayland/wayland-windowmanager-protocol.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2010 Kristian Høgsberg
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+
+#include <stdlib.h>
+#include <stdint.h>
+#include "wayland-util.h"
+
+static const struct wl_message wl_windowmanager_requests[] = {
+        { "map_client_to_process", "u" },
+        { "authenticate_with_token", "s" },
+};
+
+WL_EXPORT const struct wl_interface wl_windowmanager_interface = {
+        "wl_windowmanager", 1,
+        ARRAY_LENGTH(wl_windowmanager_requests), wl_windowmanager_requests,
+        0, NULL,
+};
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index f6eaedc..84d68e5 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2832,8 +2832,8 @@ int qrand()
     \relates <QtGlobal>
     \since 4.8
 
-    \brief Hints the compiler that the enclosed condition is likely to evaluate
-    to \c true.
+    \brief Hints to the compiler that the enclosed condition, \a expr, is
+    likely to evaluate to \c true.
 
     Use of this macro can help the compiler to optimize the code.
 
@@ -2849,8 +2849,8 @@ int qrand()
     \relates <QtGlobal>
     \since 4.8
 
-    \brief Hints the compiler that the enclosed condition is likely to evaluate
-    to \c false.
+    \brief Hints to the compiler that the enclosed condition, \a expr, is
+    likely to evaluate to \c false.
 
     Use of this macro can help the compiler to optimize the code.
 
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 1454cb3..1f5f537 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -173,7 +173,6 @@ namespace QT_NAMESPACE {}
      RELIANT  - Reliant UNIX
      DYNIX    - DYNIX/ptx
      QNX      - QNX
-     QNX6     - QNX RTP 6.1
      LYNX     - LynxOS
      BSD4     - Any BSD 4.4 system
      UNIX     - Any UNIX BSD/SYSV system
@@ -1423,6 +1422,7 @@ class QDataStream;
 #    define Q_DECLARATIVE_EXPORT
 #    define Q_OPENGL_EXPORT
 #    define Q_MULTIMEDIA_EXPORT
+#    define Q_OPENVG_EXPORT
 #    define Q_XML_EXPORT
 #    define Q_XMLPATTERNS_EXPORT
 #    define Q_SCRIPT_EXPORT
@@ -2745,17 +2745,6 @@ QT_LICENSED_MODULE(DBus)
 #  define QT_NO_CONCURRENT_FILTER
 #endif
 
-#ifdef Q_OS_QNX
-// QNX doesn't have SYSV style shared memory. Multiprocess QWS apps,
-// shared fonts and QSystemSemaphore + QSharedMemory are not available
-#  define QT_NO_QWS_MULTIPROCESS
-#  define QT_NO_QWS_SHARE_FONTS
-#  define QT_NO_SYSTEMSEMAPHORE
-#  define QT_NO_SHAREDMEMORY
-// QNX currently doesn't support forking in a thread, so disable QProcess
-#  define QT_NO_PROCESS
-#endif
-
 #if defined (__ELF__)
 #  if defined (Q_OS_LINUX) || defined (Q_OS_SOLARIS) || defined (Q_OS_FREEBSD) || defined (Q_OS_OPENBSD) || defined (Q_OS_IRIX)
 #    define Q_OF_ELF
diff --git a/src/corelib/io/qdatastream.cpp b/src/corelib/io/qdatastream.cpp
index 8c27430..b397c1a 100644
--- a/src/corelib/io/qdatastream.cpp
+++ b/src/corelib/io/qdatastream.cpp
@@ -584,8 +584,9 @@ void QDataStream::setByteOrder(ByteOrder bo)
     \value Qt_4_3 Version 9 (Qt 4.3)
     \value Qt_4_4 Version 10 (Qt 4.4)
     \value Qt_4_5 Version 11 (Qt 4.5)
-    \value Qt_4_6 Version 12 (Qt 4.6)
+    \value Qt_4_6 Version 12 (Qt 4.6, Qt 4.7, Qt 4.8)
     \value Qt_4_7 Same as Qt_4_6.
+    \value Qt_4_8 Same as Qt_4_6.
 
     \sa setVersion(), version()
 */
diff --git a/src/corelib/io/qfile.cpp b/src/corelib/io/qfile.cpp
index 9d6641c..66edf58 100644
--- a/src/corelib/io/qfile.cpp
+++ b/src/corelib/io/qfile.cpp
@@ -1656,6 +1656,8 @@ bool QFile::atEnd() const
 }
 
 /*!
+    \fn bool QFile::seek(qint64 pos)
+
     For random-access devices, this function sets the current position
     to \a pos, returning true on success, or false if an error occurred.
     For sequential devices, the default behavior is to do nothing and
diff --git a/src/corelib/io/qfilesystemengine.cpp b/src/corelib/io/qfilesystemengine.cpp
index 9590e39..97669ac 100644
--- a/src/corelib/io/qfilesystemengine.cpp
+++ b/src/corelib/io/qfilesystemengine.cpp
@@ -196,7 +196,7 @@ static bool _q_resolveEntryAndCreateLegacyEngine_recursive(QFileSystemEntry &ent
     Resolves the \a entry (see QDir::searchPaths) and returns an engine for
     it, but never a QFSFileEngine.
 
-    \returns a file engine that can be used to access the entry. Returns 0 if
+    Returns a file engine that can be used to access the entry. Returns 0 if
     QFileSystemEngine API should be used to query and interact with the file
     system object.
 */
diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp
index f1e0758..b0ebfbd 100644
--- a/src/corelib/io/qfilesystemengine_unix.cpp
+++ b/src/corelib/io/qfilesystemengine_unix.cpp
@@ -180,7 +180,8 @@ QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry,
     return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath()));
 #else
     char *ret = 0;
-# if defined(Q_OS_MAC) && !defined(QT_NO_CORESERVICES)
+# if defined(Q_OS_MAC)
+#  if !defined(QT_NO_CORESERVICES)
     // Mac OS X 10.5.x doesn't support the realpath(X,0) extension we use here.
     if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_6) {
         ret = realpath(entry.nativeFilePath().constData(), (char*)0);
@@ -197,9 +198,13 @@ QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry,
             return QFileSystemEntry(ret);
         }
     }
-# else
+#  else
+    ret = (char*)malloc(PATH_MAX);
+    realpath(entry.nativeFilePath().constData(), (char*)ret);
+#  endif //!defined(QT_NO_CORESERVICES)
+#  else
     ret = realpath(entry.nativeFilePath().constData(), (char*)0);
-# endif
+# endif //defined(Q_OS_MAC)
     if (ret) {
         data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
         data.entryFlags |= QFileSystemMetaData::ExistsAttribute;
diff --git a/src/corelib/io/qfilesystemwatcher_fsevents.cpp b/src/corelib/io/qfilesystemwatcher_fsevents.cpp
index 6ae6e38..4ae7cf8 100644
--- a/src/corelib/io/qfilesystemwatcher_fsevents.cpp
+++ b/src/corelib/io/qfilesystemwatcher_fsevents.cpp
@@ -57,13 +57,15 @@
 #include <sys/types.h>
 #include <CoreFoundation/CFRunLoop.h>
 #include <CoreFoundation/CFUUID.h>
+#if !defined( QT_NO_CORESERVICES )
 #include <CoreServices/CoreServices.h>
+#endif
 #include <AvailabilityMacros.h>
 #include <private/qcore_mac_p.h>
 
 QT_BEGIN_NAMESPACE
 
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
 // Static operator overloading so for the sake of some convieniece.
 // They only live in this compilation unit to avoid polluting Qt in general.
 static bool operator==(const struct ::timespec &left, const struct ::timespec &right)
@@ -152,7 +154,7 @@ QFSEventsFileSystemWatcherEngine::QFSEventsFileSystemWatcherEngine()
 
 QFSEventsFileSystemWatcherEngine::~QFSEventsFileSystemWatcherEngine()
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     // I assume that at this point, QFileSystemWatcher has already called stop
     // on me, so I don't need to invalidate or stop my stream, simply
     // release it.
@@ -171,7 +173,7 @@ QStringList QFSEventsFileSystemWatcherEngine::addPaths(const QStringList &paths,
                                                        QStringList *files,
                                                        QStringList *directories)
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     stop();
     wait();
     QMutexLocker locker(&mutex);
@@ -257,7 +259,7 @@ QStringList QFSEventsFileSystemWatcherEngine::addPaths(const QStringList &paths,
 
 void QFSEventsFileSystemWatcherEngine::warmUpFSEvents()
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     // This function assumes that the mutex has already been grabbed before calling it.
     // It exits with the mutex still locked (Q_ASSERT(mutex.isLocked()) ;-).
     start();
@@ -269,7 +271,7 @@ QStringList QFSEventsFileSystemWatcherEngine::removePaths(const QStringList &pat
                                                           QStringList *files,
                                                           QStringList *directories)
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     stop();
     wait();
     QMutexLocker locker(&mutex);
@@ -336,7 +338,7 @@ QStringList QFSEventsFileSystemWatcherEngine::removePaths(const QStringList &pat
 #endif
 }
 
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
 void QFSEventsFileSystemWatcherEngine::updateList(PathInfoList &list, bool directory, bool emitSignals)
 {
     PathInfoList::iterator End = list.end();
@@ -396,7 +398,7 @@ void QFSEventsFileSystemWatcherEngine::fseventsCallback(ConstFSEventStreamRef ,
                                                         const FSEventStreamEventFlags eventFlags[],
                                                         const FSEventStreamEventId [])
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     QFSEventsFileSystemWatcherEngine *watcher = static_cast<QFSEventsFileSystemWatcherEngine *>(clientCallBackInfo);
     QMutexLocker locker(&watcher->mutex);
     CFArrayRef paths = static_cast<CFArrayRef>(eventPaths);
@@ -431,7 +433,7 @@ void QFSEventsFileSystemWatcherEngine::fseventsCallback(ConstFSEventStreamRef ,
 
 void QFSEventsFileSystemWatcherEngine::stop()
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     QMutexLocker locker(&mutex);
     stopFSStream(fsStream);
     if (threadsRunLoop) {
@@ -443,13 +445,13 @@ void QFSEventsFileSystemWatcherEngine::stop()
 
 void QFSEventsFileSystemWatcherEngine::updateFiles()
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     QMutexLocker locker(&mutex);
     updateHash(filePathInfoHash);
     updateHash(dirPathInfoHash);
     if (filePathInfoHash.isEmpty() && dirPathInfoHash.isEmpty()) {
         // Everything disappeared before we got to start, don't bother.
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
         // Code duplicated from stop(), with the exception that we
         // don't wait on waitForStop here. Doing this will lead to
         // a deadlock since this function is called from the worker
@@ -467,7 +469,7 @@ void QFSEventsFileSystemWatcherEngine::updateFiles()
 
 void QFSEventsFileSystemWatcherEngine::run()
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     threadsRunLoop = CFRunLoopGetCurrent();
     FSEventStreamScheduleWithRunLoop(fsStream, threadsRunLoop, kCFRunLoopDefaultMode);
     bool startedOK = FSEventStreamStart(fsStream);
diff --git a/src/corelib/io/qfilesystemwatcher_fsevents_p.h b/src/corelib/io/qfilesystemwatcher_fsevents_p.h
index 2466a6e..515c32e 100644
--- a/src/corelib/io/qfilesystemwatcher_fsevents_p.h
+++ b/src/corelib/io/qfilesystemwatcher_fsevents_p.h
@@ -74,7 +74,7 @@ typedef uint64_t FSEventStreamEventId;
 
 QT_BEGIN_NAMESPACE
 
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined(QT_NO_CORESERVICES)
 // Yes, I use a stat64 element here. QFileInfo requires too much knowledge about implementation
 // details to be used as a long-standing record. Since I'm going to have to store this information, I can
 // do the stat myself too.
@@ -117,7 +117,7 @@ private:
     QMutex mutex;
     QWaitCondition waitCondition;
     QWaitCondition waitForStop;
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && !defined( QT_NO_CORESERVICES )
     PathHash filePathInfoHash;
     PathHash dirPathInfoHash;
     void updateHash(PathHash &pathHash);
diff --git a/src/corelib/io/qfilesystemwatcher_symbian.cpp b/src/corelib/io/qfilesystemwatcher_symbian.cpp
index 6e5e911..63cc4f1 100644
--- a/src/corelib/io/qfilesystemwatcher_symbian.cpp
+++ b/src/corelib/io/qfilesystemwatcher_symbian.cpp
@@ -62,9 +62,9 @@ QNotifyChangeEvent::QNotifyChangeEvent(RFs &fs, const TDesC &file,
         failureCount(0)
 {
     if (isDir) {
-        fsSession.NotifyChange(ENotifyEntry, iStatus, file);
+        fsSession.NotifyChange(ENotifyEntry, iStatus, watchedPath);
     } else {
-        fsSession.NotifyChange(ENotifyAll, iStatus, file);
+        fsSession.NotifyChange(ENotifyAll, iStatus, watchedPath);
     }
     CActiveScheduler::Add(this);
     SetActive();
diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
index 4894754..0d23a27 100644
--- a/src/corelib/io/qfsfileengine.cpp
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -472,10 +472,10 @@ qint64 QFSFileEngine::size() const
     return d->nativeSize();
 }
 
+#ifndef Q_OS_WIN
 /*!
     \internal
 */
-#ifndef Q_OS_WIN
 qint64 QFSFileEnginePrivate::sizeFdFh() const
 {
     Q_Q(const QFSFileEngine);
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index 70a70c2..4b689c5 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -751,12 +751,16 @@ QProcessPrivate::QProcessPrivate()
     sequenceNumber = 0;
     exitCode = 0;
     exitStatus = QProcess::NormalExit;
+#ifndef Q_OS_QNX
     startupSocketNotifier = 0;
+#endif
     deathNotifier = 0;
     notifier = 0;
     pipeWriter = 0;
+#ifndef Q_OS_QNX
     childStartedPipe[0] = INVALID_Q_PIPE;
     childStartedPipe[1] = INVALID_Q_PIPE;
+#endif
     deathPipe[0] = INVALID_Q_PIPE;
     deathPipe[1] = INVALID_Q_PIPE;
     exitCode = 0;
@@ -825,11 +829,13 @@ void QProcessPrivate::cleanup()
         qDeleteInEventHandler(stdinChannel.notifier);
         stdinChannel.notifier = 0;
     }
+#ifndef Q_OS_QNX
     if (startupSocketNotifier) {
         startupSocketNotifier->setEnabled(false);
         qDeleteInEventHandler(startupSocketNotifier);
         startupSocketNotifier = 0;
     }
+#endif
     if (deathNotifier) {
         deathNotifier->setEnabled(false);
         qDeleteInEventHandler(deathNotifier);
@@ -842,7 +848,9 @@ void QProcessPrivate::cleanup()
     destroyPipe(stdoutChannel.pipe);
     destroyPipe(stderrChannel.pipe);
     destroyPipe(stdinChannel.pipe);
+#ifndef Q_OS_QNX
     destroyPipe(childStartedPipe);
+#endif
     destroyPipe(deathPipe);
 #ifdef Q_OS_UNIX
     serial = 0;
@@ -1077,8 +1085,10 @@ bool QProcessPrivate::_q_startupNotification()
     qDebug("QProcessPrivate::startupNotification()");
 #endif
 
+#ifndef Q_OS_QNX
     if (startupSocketNotifier)
         startupSocketNotifier->setEnabled(false);
+#endif
     if (processStarted()) {
         q->setProcessState(QProcess::Running);
         emit q->started();
diff --git a/src/corelib/io/qprocess_p.h b/src/corelib/io/qprocess_p.h
index 9adb331..f24a7bc 100644
--- a/src/corelib/io/qprocess_p.h
+++ b/src/corelib/io/qprocess_p.h
@@ -288,11 +288,15 @@ public:
     QRingBuffer errorReadBuffer;
     QRingBuffer writeBuffer;
 
+#ifndef Q_OS_QNX
     Q_PIPE childStartedPipe[2];
+#endif
     Q_PIPE deathPipe[2];
     void destroyPipe(Q_PIPE pipe[2]);
 
+#ifndef Q_OS_QNX
     QSocketNotifier *startupSocketNotifier;
+#endif
     QSocketNotifier *deathNotifier;
 
     // the wonderful windows notifier
@@ -301,8 +305,10 @@ public:
     QWinEventNotifier *processFinishedNotifier;
 
     void startProcess();
-#if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN)
+#if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN) && !defined(Q_OS_QNX)
     void execChild(const char *workingDirectory, char **path, char **argv, char **envp);
+#elif defined(Q_OS_QNX)
+    pid_t spawnChild(const char *workingDirectory, char **argv, char **envp);
 #endif
     bool processStarted();
     void terminateProcess();
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 07e3087..725e4c5 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -105,6 +105,10 @@ QT_END_NAMESPACE
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
+#ifdef Q_OS_QNX
+#  include <spawn.h>
+#endif
+
 
 QT_BEGIN_NAMESPACE
 
@@ -521,16 +525,6 @@ static char **_q_dupEnvironment(const QProcessEnvironmentPrivate::Hash &environm
     return envp;
 }
 
-// under QNX RTOS we have to use vfork() when multithreading
-inline pid_t qt_fork()
-{
-#if defined(Q_OS_QNX)
-    return vfork();
-#else
-    return fork();
-#endif
-}
-
 #ifdef Q_OS_MAC
 Q_GLOBAL_STATIC(QMutex, cfbundleMutex);
 #endif
@@ -550,15 +544,18 @@ void QProcessPrivate::startProcess()
         !createChannel(stdoutChannel) ||
         !createChannel(stderrChannel))
         return;
+#if !defined(Q_OS_QNX)
     qt_create_pipe(childStartedPipe);
+#endif
     qt_create_pipe(deathPipe);
 
     if (threadData->eventDispatcher) {
+#if !defined(Q_OS_QNX)
         startupSocketNotifier = new QSocketNotifier(childStartedPipe[0],
                                                     QSocketNotifier::Read, q);
         QObject::connect(startupSocketNotifier, SIGNAL(activated(int)),
                          q, SLOT(_q_startupNotification()));
-
+#endif
         deathNotifier = new QSocketNotifier(deathPipe[0],
                                             QSocketNotifier::Read, q);
         QObject::connect(deathNotifier, SIGNAL(activated(int)),
@@ -650,7 +647,11 @@ void QProcessPrivate::startProcess()
 
     // Start the process manager, and fork off the child process.
     processManager()->lock();
-    pid_t childPid = qt_fork();
+#if defined(Q_OS_QNX)
+    pid_t childPid = spawnChild(workingDirPtr, argv, envp);
+#else
+    pid_t childPid = fork();
+#endif
     int lastForkErrno = errno;
     if (childPid != 0) {
         // Clean up duplicated memory.
@@ -668,7 +669,7 @@ void QProcessPrivate::startProcess()
     if (childPid < 0) {
         // Cleanup, report error and return
 #if defined (QPROCESS_DEBUG)
-        qDebug("qt_fork failed: %s", qPrintable(qt_error_string(lastForkErrno)));
+        qDebug("fork() failed: %s", qPrintable(qt_error_string(lastForkErrno)));
 #endif
         processManager()->unlock();
         q->setProcessState(QProcess::NotRunning);
@@ -679,11 +680,13 @@ void QProcessPrivate::startProcess()
         return;
     }
 
+#if !defined(Q_OS_QNX)
     // Start the child.
     if (childPid == 0) {
         execChild(workingDirPtr, path, argv, envp);
         ::_exit(-1);
     }
+#endif
 
     // Register the child. In the mean time, we can get a SIGCHLD, so we need
     // to keep the lock held to avoid a race to catch the child.
@@ -694,14 +697,15 @@ void QProcessPrivate::startProcess()
     // parent
     // close the ends we don't use and make all pipes non-blocking
     ::fcntl(deathPipe[0], F_SETFL, ::fcntl(deathPipe[0], F_GETFL) | O_NONBLOCK);
+#if !defined(Q_OS_QNX)
     qt_safe_close(childStartedPipe[1]);
     childStartedPipe[1] = -1;
+#endif
 
     if (stdinChannel.pipe[0] != -1) {
         qt_safe_close(stdinChannel.pipe[0]);
         stdinChannel.pipe[0] = -1;
     }
-
     if (stdinChannel.pipe[1] != -1)
         ::fcntl(stdinChannel.pipe[1], F_SETFL, ::fcntl(stdinChannel.pipe[1], F_GETFL) | O_NONBLOCK);
 
@@ -709,7 +713,6 @@ void QProcessPrivate::startProcess()
         qt_safe_close(stdoutChannel.pipe[1]);
         stdoutChannel.pipe[1] = -1;
     }
-
     if (stdoutChannel.pipe[0] != -1)
         ::fcntl(stdoutChannel.pipe[0], F_SETFL, ::fcntl(stdoutChannel.pipe[0], F_GETFL) | O_NONBLOCK);
 
@@ -721,6 +724,7 @@ void QProcessPrivate::startProcess()
         ::fcntl(stderrChannel.pipe[0], F_SETFL, ::fcntl(stderrChannel.pipe[0], F_GETFL) | O_NONBLOCK);
 }
 
+#if !defined(Q_OS_QNX)
 void QProcessPrivate::execChild(const char *workingDir, char **path, char **argv, char **envp)
 {
     ::signal(SIGPIPE, SIG_DFL);         // reset the signal that we ignored
@@ -728,17 +732,17 @@ void QProcessPrivate::execChild(const char *workingDir, char **path, char **argv
     Q_Q(QProcess);
 
     // copy the stdin socket (without closing on exec)
-    qt_safe_dup2(stdinChannel.pipe[0], fileno(stdin), 0);
+    qt_safe_dup2(stdinChannel.pipe[0], QT_FILENO(stdin), 0);
 
     // copy the stdout and stderr if asked to
     if (processChannelMode != QProcess::ForwardedChannels) {
-        qt_safe_dup2(stdoutChannel.pipe[1], fileno(stdout), 0);
+        qt_safe_dup2(stdoutChannel.pipe[1], QT_FILENO(stdout), 0);
 
         // merge stdout and stderr if asked to
         if (processChannelMode == QProcess::MergedChannels) {
-            qt_safe_dup2(fileno(stdout), fileno(stderr), 0);
+            qt_safe_dup2(QT_FILENO(stdout), QT_FILENO(stderr), 0);
         } else {
-            qt_safe_dup2(stderrChannel.pipe[1], fileno(stderr), 0);
+            qt_safe_dup2(stderrChannel.pipe[1], QT_FILENO(stderr), 0);
         }
     }
 
@@ -807,6 +811,87 @@ bool QProcessPrivate::processStarted()
     return i <= 0;
 }
 
+#else // Q_OS_QNX
+
+static pid_t doSpawn(int fd_count, int fd_map[], char **argv, char **envp, bool spawn_detached)
+{
+    // A multi threaded QNX Process can't fork so we call spawn() instead.
+
+    struct inheritance inherit;
+    memset(&inherit, 0, sizeof(inherit));
+    inherit.flags |= SPAWN_SETSID;
+    inherit.flags |= SPAWN_CHECK_SCRIPT;
+    if (spawn_detached)
+        inherit.flags |= SPAWN_NOZOMBIE;
+    inherit.flags |= SPAWN_SETSIGDEF;
+    sigaddset(&inherit.sigdefault, SIGPIPE); // reset the signal that we ignored
+
+    pid_t childPid;
+    EINTR_LOOP(childPid, ::spawn(argv[0], fd_count, fd_map, &inherit, argv, envp));
+    if (childPid == -1) {
+        inherit.flags |= SPAWN_SEARCH_PATH;
+        EINTR_LOOP(childPid, ::spawn(argv[0], fd_count, fd_map, &inherit, argv, envp));
+    }
+
+    return childPid;
+}
+
+pid_t QProcessPrivate::spawnChild(const char *workingDir, char **argv, char **envp)
+{
+    Q_Q(QProcess);
+
+    const int fd_count = 3;
+    int fd_map[fd_count];
+    switch (processChannelMode) {
+    case QProcess::ForwardedChannels:
+        fd_map[0] = stdinChannel.pipe[0];
+        fd_map[1] = QT_FILENO(stdout);
+        fd_map[2] = QT_FILENO(stderr);
+        break;
+    case QProcess::MergedChannels:
+        fd_map[0] = stdinChannel.pipe[0];
+        fd_map[1] = stdoutChannel.pipe[1];
+        fd_map[2] = stdoutChannel.pipe[1];
+        break;
+    case QProcess::SeparateChannels:
+        fd_map[0] = stdinChannel.pipe[0];
+        fd_map[1] = stdoutChannel.pipe[1];
+        fd_map[2] = stderrChannel.pipe[1];
+        break;
+    }
+
+    // enter the working directory
+    char *oldWorkingDir = 0;
+    char buff[PATH_MAX + 1];
+    if (workingDir) {
+        oldWorkingDir = QT_GETCWD(buff, PATH_MAX + 1);
+        QT_CHDIR(workingDir);
+    }
+
+    pid_t childPid = doSpawn(fd_count, fd_map, argv, envp, false);
+
+    if (oldWorkingDir)
+        QT_CHDIR(oldWorkingDir);
+
+    if (childPid != -1) {
+        q->setProcessState(QProcess::Running);
+        QMetaObject::invokeMethod(q, "_q_startupNotification", Qt::QueuedConnection);
+    }
+
+    return childPid;
+}
+
+bool QProcessPrivate::processStarted()
+{
+    return processState == QProcess::Running;
+}
+
+bool QProcessPrivate::waitForStarted(int /*msecs*/)
+{
+    return processStarted();
+}
+#endif // Q_OS_QNX
+
 qint64 QProcessPrivate::bytesAvailableFromStdout() const
 {
     int nbytes = 0;
@@ -924,6 +1009,7 @@ static int qt_timeout_value(int msecs, int elapsed)
     return timeout < 0 ? 0 : timeout;
 }
 
+#if !defined(Q_OS_QNX)
 bool QProcessPrivate::waitForStarted(int msecs)
 {
     Q_Q(QProcess);
@@ -951,6 +1037,7 @@ bool QProcessPrivate::waitForStarted(int msecs)
 #endif
     return startedEmitted;
 }
+#endif // Q_OS_QNX
 
 bool QProcessPrivate::waitForReadyRead(int msecs)
 {
@@ -972,8 +1059,10 @@ bool QProcessPrivate::waitForReadyRead(int msecs)
         int nfds = deathPipe[0];
         FD_SET(deathPipe[0], &fdread);
 
+#if !defined(Q_OS_QNX)
         if (processState == QProcess::Starting)
             add_fd(nfds, childStartedPipe[0], &fdread);
+#endif
 
         if (stdoutChannel.pipe[0] != -1)
             add_fd(nfds, stdoutChannel.pipe[0], &fdread);
@@ -994,10 +1083,12 @@ bool QProcessPrivate::waitForReadyRead(int msecs)
 	    return false;
 	}
 
+#if !defined(Q_OS_QNX)
 	if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
             if (!_q_startupNotification())
                 return false;
 	}
+#endif
 
         bool readyReadEmitted = false;
 	if (stdoutChannel.pipe[0] != -1 && FD_ISSET(stdoutChannel.pipe[0], &fdread)) {
@@ -1044,8 +1135,10 @@ bool QProcessPrivate::waitForBytesWritten(int msecs)
         int nfds = deathPipe[0];
         FD_SET(deathPipe[0], &fdread);
 
+#if !defined(Q_OS_QNX)
         if (processState == QProcess::Starting)
             add_fd(nfds, childStartedPipe[0], &fdread);
+#endif
 
         if (stdoutChannel.pipe[0] != -1)
             add_fd(nfds, stdoutChannel.pipe[0], &fdread);
@@ -1068,10 +1161,12 @@ bool QProcessPrivate::waitForBytesWritten(int msecs)
 	    return false;
 	}
 
+#if !defined(Q_OS_QNX)
 	if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
 	    if (!_q_startupNotification())
 		return false;
 	}
+#endif
 
 	if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
 	    return _q_canWrite();
@@ -1109,8 +1204,10 @@ bool QProcessPrivate::waitForFinished(int msecs)
         FD_ZERO(&fdread);
         FD_ZERO(&fdwrite);
 
+#if !defined(Q_OS_QNX)
         if (processState == QProcess::Starting)
             add_fd(nfds, childStartedPipe[0], &fdread);
+#endif
 
         if (stdoutChannel.pipe[0] != -1)
             add_fd(nfds, stdoutChannel.pipe[0], &fdread);
@@ -1134,10 +1231,12 @@ bool QProcessPrivate::waitForFinished(int msecs)
 	    return false;
 	}
 
+#if !defined(Q_OS_QNX)
 	if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
 	    if (!_q_startupNotification())
 		return false;
 	}
+#endif
 	if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
 	    _q_canWrite();
 
@@ -1199,6 +1298,47 @@ void QProcessPrivate::_q_notified()
 {
 }
 
+#if defined(Q_OS_QNX)
+bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory, qint64 *pid)
+{
+    QByteArray encodedWorkingDirectory = QFile::encodeName(workingDirectory);
+
+    // enter the working directory
+    char *oldWorkingDir = 0;
+    char buff[PATH_MAX + 1];
+    if (!encodedWorkingDirectory.isEmpty()) {
+        oldWorkingDir = QT_GETCWD(buff, PATH_MAX + 1);
+        QT_CHDIR(encodedWorkingDirectory.constData());
+    }
+
+    const int fd_count = 3;
+    int fd_map[fd_count] = { QT_FILENO(stdin), QT_FILENO(stdout), QT_FILENO(stderr) };
+
+    QList<QByteArray> enc_args;
+    enc_args.append(QFile::encodeName(program));
+    for (int i = 0; i < arguments.size(); ++i)
+        enc_args.append(arguments.at(i).toLocal8Bit());
+
+    const int argc = enc_args.size();
+    QScopedArrayPointer<char*> raw_argv(new char*[argc + 1]);
+    for (int i = 0; i < argc; ++i)
+        raw_argv[i] = const_cast<char *>(enc_args.at(i).data());
+    raw_argv[argc] = 0;
+
+    char **envp = 0; // inherit environment
+
+    pid_t childPid = doSpawn(fd_count, fd_map, raw_argv.data(), envp, true);
+    if (pid && childPid != -1)
+        *pid = childPid;
+
+    if (oldWorkingDir)
+        QT_CHDIR(oldWorkingDir);
+
+    return childPid != -1;
+}
+
+#else
+
 bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory, qint64 *pid)
 {
     processManager()->start();
@@ -1212,7 +1352,7 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
     int pidPipe[2];
     qt_safe_pipe(pidPipe);
 
-    pid_t childPid = qt_fork();
+    pid_t childPid = fork();
     if (childPid == 0) {
         struct sigaction noaction;
         memset(&noaction, 0, sizeof(noaction));
@@ -1224,7 +1364,7 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
         qt_safe_close(startedPipe[0]);
         qt_safe_close(pidPipe[0]);
 
-        pid_t doubleForkPid = qt_fork();
+        pid_t doubleForkPid = fork();
         if (doubleForkPid == 0) {
             qt_safe_close(pidPipe[1]);
 
@@ -1312,6 +1452,7 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
     qt_safe_close(pidPipe[0]);
     return success;
 }
+#endif // Q_OS_QNX
 
 void QProcessPrivate::initializeProcessManager()
 {
diff --git a/src/corelib/io/qurl.cpp b/src/corelib/io/qurl.cpp
index 83b49ce..8813656 100644
--- a/src/corelib/io/qurl.cpp
+++ b/src/corelib/io/qurl.cpp
@@ -6105,7 +6105,7 @@ bool QUrl::isDetached() const
     "//servername/path/to/file.txt". Note that only certain platforms can
     actually open this file using QFile::open().
 
-    \sa toLocalFile(), isLocalFile(), QDir::toNativeSeparators
+    \sa toLocalFile(), isLocalFile(), QDir::toNativeSeparators()
 */
 QUrl QUrl::fromLocalFile(const QString &localFile)
 {
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index 7694a0f..dd46bc5 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -98,6 +98,12 @@
 #  include <taskLib.h>
 #endif
 
+#ifdef Q_OS_QNX
+#  include <sys/neutrino.h>
+#  include <pthread.h>
+#  include <sched.h>
+#endif
+
 QT_BEGIN_NAMESPACE
 
 class QMutexUnlocker
@@ -353,6 +359,22 @@ QCoreApplicationPrivate::QCoreApplicationPrivate(int &aargc, char **aargv, uint
     qt_application_thread_id = QThread::currentThreadId();
 #endif
 
+#ifdef Q_OS_QNX
+    // make the kernel attempt to emulate an instruction with a misaligned access
+    // if the attempt fails, it faults with a SIGBUS
+    int tv = -1;
+    ThreadCtl(_NTO_TCTL_ALIGN_FAULT, &tv);
+
+    // without Round Robin drawn intensive apps will hog the cpu
+    // and make the system appear frozen
+    int sched_policy;
+    sched_param param;
+    if (pthread_getschedparam(0, &sched_policy, &param) == 0 && sched_policy != SCHED_RR) {
+        sched_policy = SCHED_RR;
+        pthread_setschedparam(0, sched_policy, &param);
+    }
+#endif
+
     // note: this call to QThread::currentThread() may end up setting theMainThread!
     if (QThread::currentThread() != theMainThread)
         qWarning("WARNING: QApplication was not created in the main() thread.");
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index a4948c1..b88643d 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -1790,6 +1790,7 @@ QObjectList QObject::queryList(const char *inheritsClass,
 /*!
     \fn T qFindChild(const QObject *obj, const QString &name)
     \relates QObject
+    \overload qFindChildren()
     \obsolete
 
     This function is equivalent to
@@ -1805,6 +1806,7 @@ QObjectList QObject::queryList(const char *inheritsClass,
 /*!
     \fn QList<T> qFindChildren(const QObject *obj, const QString &name)
     \relates QObject
+    \overload qFindChildren()
     \obsolete
 
     This function is equivalent to
@@ -1834,38 +1836,6 @@ QObjectList QObject::queryList(const char *inheritsClass,
 
 /*!
     \internal
-    \fn T qFindChild(const QObject *obj, const QString &name = QString(), T dummy = 0)
-    \relates QObject
-    \overload qFindChildren()
-
-    This function is equivalent to
-    \a{obj}->\l{QObject::findChild()}{findChild}<T>(\a name).
-
-    \note This function was provided as a workaround for MSVC 6
-    which did not support member template functions. It is advised
-    to use the other form in new code.
-
-    \sa QObject::findChild()
-*/
-
-/*!
-    \internal
-    \fn QList<T> qFindChildren(const QObject *obj, const QString &name = QString(), T dummy = 0)
-    \relates QObject
-    \overload qFindChildren()
-
-    This function is equivalent to
-    \a{obj}->\l{QObject::findChildren()}{findChildren}<T>(\a name).
-
-    \note This function was provided as a workaround for MSVC 6
-    which did not support member template functions. It is advised
-    to use the other form in new code.
-
-    \sa QObject::findChildren()
-*/
-
-/*!
-    \internal
 */
 void qt_qFindChildren_helper(const QObject *parent, const QString &name, const QRegExp *re,
                              const QMetaObject &mo, QList<void*> *list)
@@ -2419,20 +2389,22 @@ int QObject::receivers(const char *signal) const
     This helper function calculates signal and method index for the given
     member in the specified class.
 
-    \li If member.mobj is 0 then both signalIndex and methodIndex are set to -1.
+    \list
+    \o If member.mobj is 0 then both signalIndex and methodIndex are set to -1.
 
-    \li If specified member is not a member of obj instance class (or one of
+    \o If specified member is not a member of obj instance class (or one of
     its parent classes) then both signalIndex and methodIndex are set to -1.
+    \endlist
 
     This function is used by QObject::connect and QObject::disconnect which
     are working with QMetaMethod.
 
-    \param[out] signalIndex is set to the signal index of member. If the member
+    \a signalIndex is set to the signal index of member. If the member
     specified is not signal this variable is set to -1.
 
-    \param[out] methodIndex is set to the method index of the member. If the
-    member is not a method of the object specified by obj param this variable
-    is set to -1.
+    \a methodIndex is set to the method index of the member. If the
+    member is not a method of the object specified by the \a obj argument this
+    variable is set to -1.
 */
 void QMetaObjectPrivate::memberIndexes(const QObject *obj,
                                        const QMetaMethod &member,
@@ -2689,9 +2661,9 @@ bool QObject::connect(const QObject *sender, const char *signal,
             Qt::ConnectionType type)
     but it uses QMetaMethod to specify signal and method.
 
-    \see connect(const QObject *sender, const char *signal,
-                 const QObject *receiver, const char *method,
-                 Qt::ConnectionType type)
+    \sa connect(const QObject *sender, const char *signal,
+                const QObject *receiver, const char *method,
+                Qt::ConnectionType type)
  */
 bool QObject::connect(const QObject *sender, const QMetaMethod &signal,
                       const QObject *receiver, const QMetaMethod &method,
@@ -2987,7 +2959,7 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
     In the same way 0 can be used for \a receiver in the meaning "any receiving object". In this case
     method shoud also be QMetaMethod(). \a sender parameter should be never 0.
 
-    \see disconnect(const QObject *sender, const char *signal, const QObject *receiver, const char *method)
+    \sa disconnect(const QObject *sender, const char *signal, const QObject *receiver, const char *method)
  */
 bool QObject::disconnect(const QObject *sender, const QMetaMethod &signal,
                          const QObject *receiver, const QMetaMethod &method)
diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h
index d274fa3..15d81b9 100644
--- a/src/corelib/kernel/qobject.h
+++ b/src/corelib/kernel/qobject.h
@@ -345,6 +345,11 @@ public:
 };
 #endif
 
+#ifdef qdoc
+T qFindChild(const QObject *o, const QString &name = QString());
+QList<T> qFindChildren(const QObject *oobj, const QString &name = QString());
+QList<T> qFindChildren(const QObject *o, const QRegExp &re);
+#endif
 #ifdef QT_DEPRECATED
 template<typename T>
 inline QT_DEPRECATED T qFindChild(const QObject *o, const QString &name = QString())
diff --git a/src/corelib/kernel/qsharedmemory.cpp b/src/corelib/kernel/qsharedmemory.cpp
index acb6044..371974c 100644
--- a/src/corelib/kernel/qsharedmemory.cpp
+++ b/src/corelib/kernel/qsharedmemory.cpp
@@ -80,6 +80,8 @@ QSharedMemoryPrivate::makePlatformSafeKey(const QString &key,
     return result;
 #elif defined(Q_OS_SYMBIAN)
     return result.left(KMaxKernelName);
+#elif defined(QT_POSIX_IPC)
+    return QLatin1Char('/') + result;
 #else
     return QDir::tempPath() + QLatin1Char('/') + result;
 #endif
@@ -117,6 +119,9 @@ QSharedMemoryPrivate::makePlatformSafeKey(const QString &key,
   process crashes without running the QSharedMemory destructor, the
   shared memory segment survives the crash.
 
+  \o QNX: Due to possible race conditions in the POSIX IPC implementation, create()
+  should be called prior to any attach() calls (even across multiple threads).
+
   \o HP-UX: Only one attach to a shared memory segment is allowed per
   process. This means that QSharedMemory should not be used across
   multiple threads in the same process in HP-UX.
@@ -247,14 +252,14 @@ void QSharedMemory::setNativeKey(const QString &key)
     if (isAttached())
         detach();
     d->cleanHandle();
-    d->key = QString();
+    d->key.clear();
     d->nativeKey = key;
 }
 
 bool QSharedMemoryPrivate::initKey()
 {
-    if (!cleanHandle())
-        return false;
+    cleanHandle();
+
 #ifndef QT_NO_SYSTEMSEMAPHORE
     systemSemaphore.setKey(QString(), 1);
     systemSemaphore.setKey(key, 1);
@@ -285,7 +290,7 @@ bool QSharedMemoryPrivate::initKey()
         return false;
     }
 #endif
-    errorString = QString();
+    errorString.clear();
     error = QSharedMemory::NoError;
     return true;
 }
@@ -342,28 +347,24 @@ bool QSharedMemory::create(int size, AccessMode mode)
     if (!d->initKey())
         return false;
 
+    if (size <= 0) {
+        d->error = QSharedMemory::InvalidSize;
+        d->errorString = QSharedMemory::tr("%1: create size is less then 0").arg(QLatin1String("QSharedMemory::create"));
+        return false;
+    }
+
 #ifndef QT_NO_SYSTEMSEMAPHORE
 #ifndef Q_OS_WIN
     // Take ownership and force set initialValue because the semaphore
     // might have already existed from a previous crash.
     d->systemSemaphore.setKey(d->key, 1, QSystemSemaphore::Create);
 #endif
-#endif
 
-    QString function = QLatin1String("QSharedMemory::create");
-#ifndef QT_NO_SYSTEMSEMAPHORE
     QSharedMemoryLocker lock(this);
-    if (!d->key.isNull() && !d->tryLocker(&lock, function))
+    if (!d->key.isNull() && !d->tryLocker(&lock, QLatin1String("QSharedMemory::create")))
         return false;
 #endif
 
-    if (size <= 0) {
-        d->error = QSharedMemory::InvalidSize;
-        d->errorString =
-	    QSharedMemory::tr("%1: create size is less then 0").arg(function);
-        return false;
-    }
-
     if (!d->create(size))
         return false;
 
diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h
index d5fafef..780e52e 100644
--- a/src/corelib/kernel/qsharedmemory_p.h
+++ b/src/corelib/kernel/qsharedmemory_p.h
@@ -70,12 +70,12 @@ namespace QSharedMemoryPrivate
 #include "private/qobject_p.h"
 
 #ifdef Q_OS_WIN
-#include <qt_windows.h>
+#  include <qt_windows.h>
 #elif defined(Q_OS_SYMBIAN)
-#include <e32std.h>
-#include <sys/types.h>
+#  include <e32std.h>
+#  include <sys/types.h>
 #else
-#include <sys/sem.h>
+#  include <sys/types.h>
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -135,11 +135,13 @@ public:
             const QString &prefix = QLatin1String("qipc_sharedmemory_"));
 #ifdef Q_OS_WIN
     HANDLE handle();
+#elif defined(QT_POSIX_IPC)
+    int handle();
 #else
     key_t handle();
 #endif
     bool initKey();
-    bool cleanHandle();
+    void cleanHandle();
     bool create(int size);
     bool attach(QSharedMemory::AccessMode mode);
     bool detach();
@@ -151,7 +153,7 @@ public:
 #endif
 
 #ifndef QT_NO_SYSTEMSEMAPHORE
-    bool tryLocker(QSharedMemoryLocker *locker, const QString function) {
+    inline bool tryLocker(QSharedMemoryLocker *locker, const QString &function) {
         if (!locker->lock()) {
             errorString = QSharedMemory::tr("%1: unable to lock").arg(function);
             error = QSharedMemory::LockError;
@@ -166,6 +168,8 @@ private:
     HANDLE hand;
 #elif defined(Q_OS_SYMBIAN)
     RChunk chunk;
+#elif defined(QT_POSIX_IPC)
+    int hand;
 #else
     key_t unix_key;
 #endif
diff --git a/src/corelib/kernel/qsharedmemory_symbian.cpp b/src/corelib/kernel/qsharedmemory_symbian.cpp
index fdd513a..cd1567a 100644
--- a/src/corelib/kernel/qsharedmemory_symbian.cpp
+++ b/src/corelib/kernel/qsharedmemory_symbian.cpp
@@ -41,19 +41,21 @@
 
 #include "qsharedmemory.h"
 #include "qsharedmemory_p.h"
-#include "qsystemsemaphore.h"
+
 #include "qcore_symbian_p.h"
 #include <qdebug.h>
 
-QT_BEGIN_NAMESPACE
-
 #ifndef QT_NO_SHAREDMEMORY
 
 #define QSHAREDMEMORY_DEBUG
 
-QSharedMemoryPrivate::QSharedMemoryPrivate() : QObjectPrivate(),
-        memory(0), size(0), error(QSharedMemory::NoError),
-           systemSemaphore(QString()), lockedByMe(false)
+QT_BEGIN_NAMESPACE
+
+QSharedMemoryPrivate::QSharedMemoryPrivate()
+    : QObjectPrivate(), memory(0), size(0), error(QSharedMemory::NoError),
+#ifndef QT_NO_SYSTEMSEMAPHORE
+      systemSemaphore(QString()), lockedByMe(false)
+#endif
 {
 }
 
@@ -61,6 +63,7 @@ void QSharedMemoryPrivate::setErrorString(const QString &function, TInt errorCod
 {
     if (errorCode == KErrNone)
         return;
+
     switch (errorCode) {
     case KErrAlreadyExists:
         error = QSharedMemory::AlreadyExists;
@@ -88,40 +91,43 @@ void QSharedMemoryPrivate::setErrorString(const QString &function, TInt errorCod
 #if defined QSHAREDMEMORY_DEBUG
         qDebug() << errorString << "key" << key;
 #endif
+        break;
     }
 }
 
 key_t QSharedMemoryPrivate::handle()
 {
+    // don't allow making handles on empty keys
+    if (nativeKey.isEmpty()) {
+        error = QSharedMemory::KeyError;
+        errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::handle"));
+        return 0;
+    }
+
     // Not really cost effective to check here if shared memory is attachable, as it requires
     // exactly the same call as attaching, so always assume handle is valid and return failure
     // from attach.
     return 1;
 }
 
-bool QSharedMemoryPrivate::cleanHandle()
+void QSharedMemoryPrivate::cleanHandle()
 {
     chunk.Close();
-    return true;
 }
 
 bool QSharedMemoryPrivate::create(int size)
 {
-    QString function = QLatin1String("QSharedMemory::create");
-    if (nativeKey.isEmpty()) {
-        error = QSharedMemory::KeyError;
-        errorString = QSharedMemory::tr("%1: key error").arg(function);
+    if (!handle())
         return false;
-    }
 
     TPtrC ptr(qt_QString2TPtrC(nativeKey));
 
     TInt err = chunk.CreateGlobal(ptr, size, size);
 
-    setErrorString(function, err);
-
-    if (err != KErrNone)
+    if (err != KErrNone) {
+        setErrorString(QLatin1String("QSharedMemory::create"), err);
         return false;
+    }
 
     // Zero out the created chunk
     Mem::FillZ(chunk.Base(), chunk.Size());
@@ -133,12 +139,8 @@ bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode /* mode */)
 {
     // Grab a pointer to the memory block
     if (!chunk.Handle()) {
-        QString function = QLatin1String("QSharedMemory::handle");
-        if (nativeKey.isEmpty()) {
-            error = QSharedMemory::KeyError;
-            errorString = QSharedMemory::tr("%1: unable to make key").arg(function);
+        if (!handle())
             return false;
-        }
 
         TPtrC ptr(qt_QString2TPtrC(nativeKey));
 
@@ -147,7 +149,7 @@ bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode /* mode */)
         err = chunk.OpenGlobal(ptr, false);
 
         if (err != KErrNone) {
-            setErrorString(function, err);
+            setErrorString(QLatin1String("QSharedMemory::attach"), err);
             return false;
         }
     }
@@ -168,6 +170,6 @@ bool QSharedMemoryPrivate::detach()
     return true;
 }
 
-#endif //QT_NO_SHAREDMEMORY
-
 QT_END_NAMESPACE
+
+#endif //QT_NO_SHAREDMEMORY
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp
index 2bbda49..a086acd 100644
--- a/src/corelib/kernel/qsharedmemory_unix.cpp
+++ b/src/corelib/kernel/qsharedmemory_unix.cpp
@@ -43,25 +43,30 @@
 
 #include "qsharedmemory.h"
 #include "qsharedmemory_p.h"
-#include "qsystemsemaphore.h"
-#include <qdir.h>
-#include <qdebug.h>
 
-#include <errno.h>
+#include <qdebug.h>
+#include <qfile.h>
 
 #ifndef QT_NO_SHAREDMEMORY
 #include <sys/types.h>
 #include <sys/ipc.h>
+#ifndef QT_POSIX_IPC
 #include <sys/shm.h>
-#include <sys/types.h>
+#else
+#include <sys/mman.h>
 #include <sys/stat.h>
+#endif
 #include <fcntl.h>
 #include <unistd.h>
-#endif //QT_NO_SHAREDMEMORY
+#endif // QT_NO_SHAREDMEMORY
+#include <errno.h>
 
 #include "private/qcore_unix_p.h"
 
 #ifndef QT_NO_SHAREDMEMORY
+
+//#define QSHAREDMEMORY_DEBUG
+
 QT_BEGIN_NAMESPACE
 
 QSharedMemoryPrivate::QSharedMemoryPrivate()
@@ -69,7 +74,11 @@ QSharedMemoryPrivate::QSharedMemoryPrivate()
 #ifndef QT_NO_SYSTEMSEMAPHORE
       systemSemaphore(QString()), lockedByMe(false),
 #endif
+#ifndef QT_POSIX_IPC
       unix_key(0)
+#else
+      hand(0)
+#endif
 {
 }
 
@@ -78,6 +87,7 @@ void QSharedMemoryPrivate::setErrorString(const QString &function)
     // EINVAL is handled in functions so they can give better error strings
     switch (errno) {
     case EACCES:
+    case EPERM:
         errorString = QSharedMemory::tr("%1: permission denied").arg(function);
         error = QSharedMemory::PermissionDenied;
         break;
@@ -89,18 +99,25 @@ void QSharedMemoryPrivate::setErrorString(const QString &function)
         errorString = QSharedMemory::tr("%1: doesn't exist").arg(function);
         error = QSharedMemory::NotFound;
         break;
+    case EAGAIN:
     case EMFILE:
+    case ENFILE:
     case ENOMEM:
     case ENOSPC:
         errorString = QSharedMemory::tr("%1: out of resources").arg(function);
         error = QSharedMemory::OutOfResources;
         break;
+    case EOVERFLOW:
+        errorString = QSharedMemory::tr("%1: invalid size").arg(function);
+        error = QSharedMemory::InvalidSize;
+        break;
     default:
         errorString = QSharedMemory::tr("%1: unknown error %2").arg(function).arg(errno);
         error = QSharedMemory::UnknownError;
-#if defined QSHAREDMEMORY_DEBUG
+#ifdef QSHAREDMEMORY_DEBUG
         qDebug() << errorString << "key" << key << "errno" << errno << EINVAL;
 #endif
+        break;
     }
 }
 
@@ -109,6 +126,7 @@ void QSharedMemoryPrivate::setErrorString(const QString &function)
 
     If not already made create the handle used for accessing the shared memory.
 */
+#ifndef QT_POSIX_IPC
 key_t QSharedMemoryPrivate::handle()
 {
     // already made
@@ -117,26 +135,40 @@ key_t QSharedMemoryPrivate::handle()
 
     // don't allow making handles on empty keys
     if (nativeKey.isEmpty()) {
-        errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::handle:"));
+        errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::handle"));
         error = QSharedMemory::KeyError;
         return 0;
     }
 
     // ftok requires that an actual file exists somewhere
     if (!QFile::exists(nativeKey)) {
-        errorString = QSharedMemory::tr("%1: UNIX key file doesn't exist").arg(QLatin1String("QSharedMemory::handle:"));
+        errorString = QSharedMemory::tr("%1: UNIX key file doesn't exist").arg(QLatin1String("QSharedMemory::handle"));
         error = QSharedMemory::NotFound;
         return 0;
     }
 
     unix_key = ftok(QFile::encodeName(nativeKey).constData(), 'Q');
     if (-1 == unix_key) {
-        errorString = QSharedMemory::tr("%1: ftok failed").arg(QLatin1String("QSharedMemory::handle:"));
+        errorString = QSharedMemory::tr("%1: ftok failed").arg(QLatin1String("QSharedMemory::handle"));
         error = QSharedMemory::KeyError;
         unix_key = 0;
     }
     return unix_key;
 }
+#else
+int QSharedMemoryPrivate::handle()
+{
+    // don't allow making handles on empty keys
+    QString safeKey = makePlatformSafeKey(key);
+    if (safeKey.isEmpty()) {
+        errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::handle"));
+        error = QSharedMemory::KeyError;
+        return 0;
+    }
+
+    return 1;
+}
+#endif // QT_POSIX_IPC
 
 #endif // QT_NO_SHAREDMEMORY
 
@@ -149,46 +181,54 @@ key_t QSharedMemoryPrivate::handle()
     -1 error
      0 already existed
      1 created
-  */
+*/
 int QSharedMemoryPrivate::createUnixKeyFile(const QString &fileName)
 {
+#ifndef QT_POSIX_IPC
     if (QFile::exists(fileName))
         return 0;
 
     int fd = qt_safe_open(QFile::encodeName(fileName).constData(),
-            O_EXCL | O_CREAT | O_RDWR, 0640);
+                          O_EXCL | O_CREAT | O_RDWR, 0640);
     if (-1 == fd) {
         if (errno == EEXIST)
             return 0;
         return -1;
     } else {
-        close(fd);
+        qt_safe_close(fd);
     }
     return 1;
+#else
+    Q_UNUSED(fileName);
+    // nothing to do
+    return -1;
+#endif
 }
 #endif // QT_NO_SHAREDMEMORY && QT_NO_SYSTEMSEMAPHORE
 
 #ifndef QT_NO_SHAREDMEMORY
 
-bool QSharedMemoryPrivate::cleanHandle()
+void QSharedMemoryPrivate::cleanHandle()
 {
+#ifndef QT_POSIX_IPC
     unix_key = 0;
-    return true;
+#else
+    qt_safe_close(hand);
+    hand = 0;
+#endif
 }
 
 bool QSharedMemoryPrivate::create(int size)
 {
+#ifndef QT_POSIX_IPC
     // build file if needed
-    bool createdFile = false;
     int built = createUnixKeyFile(nativeKey);
     if (built == -1) {
-        errorString = QSharedMemory::tr("%1: unable to make key").arg(QLatin1String("QSharedMemory::handle:"));
+        errorString = QSharedMemory::tr("%1: unable to make key").arg(QLatin1String("QSharedMemory::create"));
         error = QSharedMemory::KeyError;
         return false;
     }
-    if (built == 1) {
-        createdFile = true;
-    }
+    bool createdFile = built == 1;
 
     // get handle
     if (!handle()) {
@@ -202,7 +242,7 @@ bool QSharedMemoryPrivate::create(int size)
         QString function = QLatin1String("QSharedMemory::create");
         switch (errno) {
         case EINVAL:
-            errorString = QSharedMemory::tr("%1: system-imposed size restrictions").arg(QLatin1String("QSharedMemory::handle"));
+            errorString = QSharedMemory::tr("%1: system-imposed size restrictions").arg(function);
             error = QSharedMemory::InvalidSize;
             break;
         default:
@@ -212,12 +252,46 @@ bool QSharedMemoryPrivate::create(int size)
             QFile::remove(nativeKey);
         return false;
     }
+#else
+    if (!handle())
+        return false;
+
+    QByteArray shmName = QFile::encodeName(makePlatformSafeKey(key));
+
+    int fd;
+    EINTR_LOOP(fd, shm_open(shmName.constData(), O_RDWR | O_CREAT | O_EXCL, 0666));
+    if (fd == -1) {
+        QString function = QLatin1String("QSharedMemory::create");
+        switch (errno) {
+        case ENAMETOOLONG:
+        case EINVAL:
+            errorString = QSharedMemory::tr("%1: bad name").arg(function);
+            error = QSharedMemory::KeyError;
+            break;
+        default:
+            setErrorString(function);
+        }
+        return false;
+    }
+
+    // the size may only be set once; ignore errors
+    int ret;
+    EINTR_LOOP(ret, ftruncate(fd, size));
+    if (ret == -1) {
+        setErrorString(QLatin1String("QSharedMemory::create (ftruncate)"));
+        qt_safe_close(fd);
+        return false;
+    }
+
+    qt_safe_close(fd);
+#endif // QT_POSIX_IPC
 
     return true;
 }
 
 bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
 {
+#ifndef QT_POSIX_IPC
     // grab the shared memory segment id
     int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0444 : 0660));
     if (-1 == id) {
@@ -241,12 +315,55 @@ bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
         setErrorString(QLatin1String("QSharedMemory::attach (shmctl)"));
         return false;
     }
+#else
+    QByteArray shmName = QFile::encodeName(makePlatformSafeKey(key));
+
+    int oflag = (mode == QSharedMemory::ReadOnly ? O_RDONLY : O_RDWR);
+    mode_t omode = (mode == QSharedMemory::ReadOnly ? 0444 : 0660);
+
+    EINTR_LOOP(hand, shm_open(shmName.constData(), oflag, omode));
+    if (hand == -1) {
+        QString function = QLatin1String("QSharedMemory::attach (shm_open)");
+        switch (errno) {
+        case ENAMETOOLONG:
+        case EINVAL:
+            errorString = QSharedMemory::tr("%1: bad name").arg(function);
+            error = QSharedMemory::KeyError;
+            break;
+        default:
+            setErrorString(function);
+        }
+        hand = 0;
+        return false;
+    }
+
+    // grab the size
+    QT_STATBUF st;
+    if (QT_FSTAT(hand, &st) == -1) {
+        setErrorString(QLatin1String("QSharedMemory::attach (fstat)"));
+        cleanHandle();
+        return false;
+    }
+    size = st.st_size;
+
+    // grab the memory
+    int mprot = (mode == QSharedMemory::ReadOnly ? PROT_READ : PROT_READ | PROT_WRITE);
+    memory = mmap(0, size, mprot, MAP_SHARED, hand, 0);
+    if (memory == MAP_FAILED || !memory) {
+        setErrorString(QLatin1String("QSharedMemory::attach (mmap)"));
+        cleanHandle();
+        memory = 0;
+        size = 0;
+        return false;
+    }
+#endif // QT_POSIX_IPC
 
     return true;
 }
 
 bool QSharedMemoryPrivate::detach()
 {
+#ifndef QT_POSIX_IPC
     // detach from the memory segment
     if (-1 == shmdt(memory)) {
         QString function = QLatin1String("QSharedMemory::detach");
@@ -280,7 +397,7 @@ bool QSharedMemoryPrivate::detach()
     if (shmid_ds.shm_nattch == 0) {
         // mark for removal
         if (-1 == shmctl(id, IPC_RMID, &shmid_ds)) {
-            setErrorString(QLatin1String("QSharedMemory::remove"));
+            setErrorString(QLatin1String("QSharedMemory::detach"));
             switch (errno) {
             case EINVAL:
                 return true;
@@ -293,10 +410,34 @@ bool QSharedMemoryPrivate::detach()
         if (!QFile::remove(nativeKey))
             return false;
     }
+#else
+    // detach from the memory segment
+    if (munmap(memory, size) == -1) {
+        setErrorString(QLatin1String("QSharedMemory::detach (munmap)"));
+        return false;
+    }
+    memory = 0;
+    size = 0;
+
+    // get the number of current attachments
+    int shm_nattch = 0;
+    QT_STATBUF st;
+    if (QT_FSTAT(hand, &st) == 0) {
+        // subtract 2 from linkcount: one for our own open and one for the dir entry
+        shm_nattch = st.st_nlink - 2;
+    }
+    cleanHandle();
+    // if there are no attachments then unlink the shared memory
+    if (shm_nattch == 0) {
+        QByteArray shmName = QFile::encodeName(makePlatformSafeKey(key));
+        if (shm_unlink(shmName.constData()) == -1 && errno != ENOENT)
+            setErrorString(QLatin1String("QSharedMemory::detach (shm_unlink)"));
+    }
+#endif // QT_POSIX_IPC
+
     return true;
 }
 
-
 QT_END_NAMESPACE
 
 #endif // QT_NO_SHAREDMEMORY
diff --git a/src/corelib/kernel/qsharedmemory_win.cpp b/src/corelib/kernel/qsharedmemory_win.cpp
index 3cc14fe..567214e 100644
--- a/src/corelib/kernel/qsharedmemory_win.cpp
+++ b/src/corelib/kernel/qsharedmemory_win.cpp
@@ -41,24 +41,30 @@
 
 #include "qsharedmemory.h"
 #include "qsharedmemory_p.h"
-#include "qsystemsemaphore.h"
-#include <qdebug.h>
 
-QT_BEGIN_NAMESPACE
+#include <qdebug.h>
 
 #ifndef QT_NO_SHAREDMEMORY
 
-QSharedMemoryPrivate::QSharedMemoryPrivate() : QObjectPrivate(),
-        memory(0), size(0), error(QSharedMemory::NoError),
-           systemSemaphore(QString()), lockedByMe(false), hand(0)
+//#define QSHAREDMEMORY_DEBUG
+
+QT_BEGIN_NAMESPACE
+
+QSharedMemoryPrivate::QSharedMemoryPrivate()
+    : QObjectPrivate(), memory(0), size(0), error(QSharedMemory::NoError),
+#ifndef QT_NO_SYSTEMSEMAPHORE
+      systemSemaphore(QString()), lockedByMe(false),
+#endif
+      hand(0)
 {
 }
 
 void QSharedMemoryPrivate::setErrorString(const QString &function)
 {
-    BOOL windowsError = GetLastError();
+    DWORD windowsError = GetLastError();
     if (windowsError == 0)
         return;
+
     switch (windowsError) {
     case ERROR_ALREADY_EXISTS:
         error = QSharedMemory::AlreadyExists;
@@ -89,19 +95,20 @@ void QSharedMemoryPrivate::setErrorString(const QString &function)
     default:
         errorString = QSharedMemory::tr("%1: unknown error %2").arg(function).arg(windowsError);
         error = QSharedMemory::UnknownError;
-#if defined QSHAREDMEMORY_DEBUG
+#ifdef QSHAREDMEMORY_DEBUG
         qDebug() << errorString << "key" << key;
 #endif
+        break;
     }
 }
 
 HANDLE QSharedMemoryPrivate::handle()
 {
     if (!hand) {
-        QString function = QLatin1String("QSharedMemory::handle");
+        // don't allow making handles on empty keys
         if (nativeKey.isEmpty()) {
             error = QSharedMemory::KeyError;
-            errorString = QSharedMemory::tr("%1: unable to make key").arg(function);
+            errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::handle"));
             return false;
         }
 #ifndef Q_OS_WINCE
@@ -111,43 +118,34 @@ HANDLE QSharedMemoryPrivate::handle()
         // attach as it seems.
         hand = CreateFileMapping(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, 0, (wchar_t*)nativeKey.utf16());
 #endif
-        if (!hand) {
-            setErrorString(function);
-            return false;
-        }
+        if (!hand)
+            setErrorString(QLatin1String("QSharedMemory::handle"));
     }
+
     return hand;
 }
 
-bool QSharedMemoryPrivate::cleanHandle()
+void QSharedMemoryPrivate::cleanHandle()
 {
-    if (hand != 0 && !CloseHandle(hand)) {
-        hand = 0;
+    if (hand != 0 && !CloseHandle(hand))
         setErrorString(QLatin1String("QSharedMemory::cleanHandle"));
-        return false;
-    }
     hand = 0;
-    return true;
 }
 
 bool QSharedMemoryPrivate::create(int size)
 {
-    QString function = QLatin1String("QSharedMemory::create");
     if (nativeKey.isEmpty()) {
         error = QSharedMemory::KeyError;
-        errorString = QSharedMemory::tr("%1: key error").arg(function);
+        errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::create"));
         return false;
     }
 
     // Create the file mapping.
     hand = CreateFileMapping(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, size, (wchar_t*)nativeKey.utf16());
-    setErrorString(function);
+    setErrorString(QLatin1String("QSharedMemory::create"));
 
     // hand is valid when it already exists unlike unix so explicitly check
-    if (error == QSharedMemory::AlreadyExists || !hand)
-        return false;
-
-    return true;
+    return !(error == QSharedMemory::AlreadyExists || !hand);
 }
 
 bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
@@ -167,7 +165,7 @@ bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
         // Windows doesn't set an error code on this one,
         // it should only be a kernel memory error.
         error = QSharedMemory::UnknownError;
-        errorString = QSharedMemory::tr("%1: size query failed").arg(QLatin1String("QSharedMemory::attach: "));
+        errorString = QSharedMemory::tr("%1: size query failed").arg(QLatin1String("QSharedMemory::attach"));
         return false;
     }
     size = info.RegionSize;
@@ -186,10 +184,11 @@ bool QSharedMemoryPrivate::detach()
     size = 0;
 
     // close handle
-    return cleanHandle();
-}
-
-#endif //QT_NO_SHAREDMEMORY
+    cleanHandle();
 
+    return true;
+}
 
 QT_END_NAMESPACE
+
+#endif // QT_NO_SHAREDMEMORY
diff --git a/src/corelib/kernel/qsystemsemaphore.cpp b/src/corelib/kernel/qsystemsemaphore.cpp
index 98ee6f4..ae30348 100644
--- a/src/corelib/kernel/qsystemsemaphore.cpp
+++ b/src/corelib/kernel/qsystemsemaphore.cpp
@@ -151,6 +151,11 @@ QT_BEGIN_NAMESPACE
   creates a new semaphore for that key and sets its resource count to
   \a initialValue.
 
+  In QNX, if the \a mode is \l {QSystemSemaphore::} {Create} and the
+  system already has a semaphore identified by \a key, that semaphore
+  will be deleted and the new one will be created for that key with
+  a resource count set to \a initialValue.
+
   In Windows and in Symbian, \a mode is ignored, and the system always tries to
   create a semaphore for the specified \a key. If the system does not
   already have a semaphore identified as \a key, it creates the
@@ -234,7 +239,7 @@ void QSystemSemaphore::setKey(const QString &key, int initialValue, AccessMode m
         return;
     d->error = NoError;
     d->errorString = QString();
-#if !defined(Q_OS_WIN) && !defined(Q_OS_SYMBIAN)
+#if !defined(Q_OS_WIN) && !defined(Q_OS_SYMBIAN) && !defined(QT_POSIX_IPC)
     // optimization to not destroy/create the file & semaphore
     if (key == d->key && mode == Create && d->createdSemaphore && d->createdFile) {
         d->initialValue = initialValue;
diff --git a/src/corelib/kernel/qsystemsemaphore_p.h b/src/corelib/kernel/qsystemsemaphore_p.h
index d4e86e8..d84d416 100644
--- a/src/corelib/kernel/qsystemsemaphore_p.h
+++ b/src/corelib/kernel/qsystemsemaphore_p.h
@@ -59,7 +59,10 @@
 
 #include "qsharedmemory_p.h"
 #ifndef Q_OS_WINCE
-#   include <sys/types.h>
+#  include <sys/types.h>
+#endif
+#ifdef QT_POSIX_IPC
+#  include <semaphore.h>
 #endif
 
 #ifdef Q_OS_SYMBIAN
@@ -70,11 +73,10 @@ QT_BEGIN_NAMESPACE
 
 class QSystemSemaphorePrivate
 {
-
 public:
     QSystemSemaphorePrivate();
 
-    QString makeKeyFileName()
+    inline QString makeKeyFileName() const
     {
         return QSharedMemoryPrivate::makePlatformSafeKey(key, QLatin1String("qipc_systemsem_"));
     }
@@ -85,6 +87,9 @@ public:
 #elif defined(Q_OS_SYMBIAN)
     int handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open);
     void setErrorString(const QString &function,int err = 0);
+#elif defined(QT_POSIX_IPC)
+    bool handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open);
+    void setErrorString(const QString &function);
 #else
     key_t handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open);
     void setErrorString(const QString &function);
@@ -100,11 +105,14 @@ public:
     HANDLE semaphoreLock;
 #elif defined(Q_OS_SYMBIAN)
     RSemaphore semaphore;
+#elif defined(QT_POSIX_IPC)
+    sem_t *semaphore;
+    bool createdSemaphore;
 #else
+    key_t unix_key;
     int semaphore;
     bool createdFile;
     bool createdSemaphore;
-    key_t unix_key;
 #endif
     QString errorString;
     QSystemSemaphore::SystemSemaphoreError error;
@@ -115,4 +123,3 @@ QT_END_NAMESPACE
 #endif // QT_NO_SYSTEMSEMAPHORE
 
 #endif // QSYSTEMSEMAPHORE_P_H
-
diff --git a/src/corelib/kernel/qsystemsemaphore_symbian.cpp b/src/corelib/kernel/qsystemsemaphore_symbian.cpp
index 96c19af..bb60df7 100644
--- a/src/corelib/kernel/qsystemsemaphore_symbian.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_symbian.cpp
@@ -46,29 +46,32 @@
 
 #include "qcore_symbian_p.h"
 #include <e32cmn.h>
-QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_SYSTEMSEMAPHORE
 
+//#define QSYSTEMSEMAPHORE_DEBUG
+
+QT_BEGIN_NAMESPACE
+
 QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
-        error(QSystemSemaphore::NoError)
+    error(QSystemSemaphore::NoError)
 {
 }
 
 void QSystemSemaphorePrivate::setErrorString(const QString &function, int err)
 {
-    if (err == KErrNone){
+    if (err == KErrNone)
         return;
-    }
+
     switch(err){
     case KErrAlreadyExists:
         errorString = QCoreApplication::tr("%1: already exists", "QSystemSemaphore").arg(function);
         error = QSystemSemaphore::AlreadyExists;
-    break;
+        break;
     case KErrNotFound:
         errorString = QCoreApplication::tr("%1: does not exist", "QSystemSemaphore").arg(function);
         error = QSystemSemaphore::NotFound;
-    break;
+        break;
     case KErrNoMemory:
     case KErrInUse:
         errorString = QCoreApplication::tr("%1: out of resources", "QSystemSemaphore").arg(function);
@@ -77,22 +80,21 @@ void QSystemSemaphorePrivate::setErrorString(const QString &function, int err)
     case KErrPermissionDenied:
         errorString = QCoreApplication::tr("%1: permission denied", "QSystemSemaphore").arg(function);
         error = QSystemSemaphore::PermissionDenied;
-    break;
-default:
-    errorString = QCoreApplication::tr("%1: unknown error %2", "QSystemSemaphore").arg(function).arg(err);
-    error = QSystemSemaphore::UnknownError;
-    }
-
-#if defined QSYSTEMSEMAPHORE_DEBUG
+        break;
+    default:
+        errorString = QCoreApplication::tr("%1: unknown error %2", "QSystemSemaphore").arg(function).arg(err);
+        error = QSystemSemaphore::UnknownError;
+#ifdef QSYSTEMSEMAPHORE_DEBUG
         qDebug() << errorString << "key" << key;
 #endif
+        break;
+    }
 }
 
 int QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
 {
-    if (semaphore.Handle()) {
+    if (semaphore.Handle())
         return semaphore.Handle();
-    }
 
     // don't allow making handles on empty keys
     if (key.isEmpty())
@@ -106,12 +108,13 @@ int QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
     while (err != KErrNoMemory && err != KErrNone && tryCount-- >= 0) {
         err = semaphore.CreateGlobal(name, initialValue, EOwnerProcess);
         if (err != KErrNoMemory && err != KErrNone)
-            err = semaphore.OpenGlobal(name,EOwnerProcess);
+            err = semaphore.OpenGlobal(name, EOwnerProcess);
     }
-    if (err){
-        setErrorString(QLatin1String("QSystemSemaphore::handle"),err);
+    if (err) {
+        setErrorString(QLatin1String("QSystemSemaphore::handle"), err);
         return 0;
     }
+
     return semaphore.Handle();
 }
 
@@ -125,14 +128,14 @@ bool QSystemSemaphorePrivate::modifySemaphore(int count)
     if (0 == handle())
         return false;
 
-    if (count > 0) {
+    if (count > 0)
         semaphore.Signal(count);
-    } else {
+    else
         semaphore.Wait();
-        }
+
     return true;
 }
 
-#endif //QT_NO_SYSTEMSEMAPHORE
-
 QT_END_NAMESPACE
+
+#endif // QT_NO_SYSTEMSEMAPHORE
diff --git a/src/corelib/kernel/qsystemsemaphore_unix.cpp b/src/corelib/kernel/qsystemsemaphore_unix.cpp
index 5e533e7..e060eb2 100644
--- a/src/corelib/kernel/qsystemsemaphore_unix.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_unix.cpp
@@ -42,15 +42,17 @@
 #include "qsystemsemaphore.h"
 #include "qsystemsemaphore_p.h"
 
+#include <qcoreapplication.h>
 #include <qdebug.h>
 #include <qfile.h>
-#include <qcoreapplication.h>
 
 #ifndef QT_NO_SYSTEMSEMAPHORE
 
 #include <sys/types.h>
 #include <sys/ipc.h>
+#ifndef QT_POSIX_IPC
 #include <sys/sem.h>
+#endif
 #include <fcntl.h>
 #include <errno.h>
 
@@ -62,11 +64,17 @@
 #define EIDRM EINVAL
 #endif
 
+//#define QSYSTEMSEMAPHORE_DEBUG
+
 QT_BEGIN_NAMESPACE
 
 QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
-        semaphore(-1), createdFile(false),
-        createdSemaphore(false), unix_key(-1), error(QSystemSemaphore::NoError)
+#ifndef QT_POSIX_IPC
+    unix_key(-1), semaphore(-1), createdFile(false),
+#else
+    semaphore(SEM_FAILED),
+#endif
+    createdSemaphore(false), error(QSystemSemaphore::NoError)
 {
 }
 
@@ -88,40 +96,49 @@ void QSystemSemaphorePrivate::setErrorString(const QString &function)
         error = QSystemSemaphore::NotFound;
         break;
     case ERANGE:
+    case ENOMEM:
     case ENOSPC:
+    case EMFILE:
+    case ENFILE:
+    case EOVERFLOW:
         errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function);
         error = QSystemSemaphore::OutOfResources;
         break;
+    case ENAMETOOLONG:
+        errorString = QCoreApplication::translate("QSystemSemaphore", "%1: name error").arg(function);
+        error = QSystemSemaphore::KeyError;
+        break;
     default:
         errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(errno);
         error = QSystemSemaphore::UnknownError;
-#if defined QSYSTEMSEMAPHORE_DEBUG
+#ifdef QSYSTEMSEMAPHORE_DEBUG
         qDebug() << errorString << "key" << key << "errno" << errno << EINVAL;
 #endif
+        break;
     }
 }
 
 /*!
     \internal
 
-    Setup unix_key
- */
+    Initialise the semaphore
+*/
+#ifndef QT_POSIX_IPC
 key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
 {
-    if (key.isEmpty()){
-        errorString = QCoreApplication::tr("%1: key is empty", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle:"));
+    if (-1 != unix_key)
+        return unix_key;
+
+    if (key.isEmpty()) {
+        errorString = QCoreApplication::tr("%1: key is empty", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle"));
         error = QSystemSemaphore::KeyError;
         return -1;
     }
 
     // ftok requires that an actual file exists somewhere
-    if (-1 != unix_key)
-        return unix_key;
-
-    // Create the file needed for ftok
     int built = QSharedMemoryPrivate::createUnixKeyFile(fileName);
     if (-1 == built) {
-        errorString = QCoreApplication::tr("%1: unable to make key", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle:"));
+        errorString = QCoreApplication::tr("%1: unable to make key", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle"));
         error = QSystemSemaphore::KeyError;
         return -1;
     }
@@ -130,7 +147,7 @@ key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
     // Get the unix key for the created file
     unix_key = ftok(QFile::encodeName(fileName).constData(), 'Q');
     if (-1 == unix_key) {
-        errorString = QCoreApplication::tr("%1: ftok failed", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle:"));
+        errorString = QCoreApplication::tr("%1: ftok failed", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle"));
         error = QSystemSemaphore::KeyError;
         return -1;
     }
@@ -145,17 +162,16 @@ key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
             cleanHandle();
             return -1;
         }
+        if (mode == QSystemSemaphore::Create) {
+            createdSemaphore = true;
+            createdFile = true;
+        }
     } else {
         createdSemaphore = true;
         // Force cleanup of file, it is possible that it can be left over from a crash
         createdFile = true;
     }
 
-    if (mode == QSystemSemaphore::Create) {
-        createdSemaphore = true;
-        createdFile = true;
-    }
-
     // Created semaphore so initialize its value.
     if (createdSemaphore && initialValue >= 0) {
         qt_semun init_op;
@@ -169,14 +185,63 @@ key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
 
     return unix_key;
 }
+#else
+bool QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
+{
+    if (semaphore != SEM_FAILED)
+        return true;  // we already have a semaphore
+
+    if (fileName.isEmpty()) {
+        errorString = QCoreApplication::tr("%1: key is empty", "QSystemSemaphore").arg(QLatin1String("QSystemSemaphore::handle"));
+        error = QSystemSemaphore::KeyError;
+        return false;
+    }
+
+    QByteArray semName = QFile::encodeName(fileName);
+
+    // Always try with O_EXCL so we know whether we created the semaphore.
+    int oflag = O_CREAT | O_EXCL;
+    for (int tryNum = 0, maxTries = 1; tryNum < maxTries; ++tryNum) {
+        do {
+            semaphore = sem_open(semName.constData(), oflag, 0666, initialValue);
+        } while (semaphore == SEM_FAILED && errno == EINTR);
+        if (semaphore == SEM_FAILED && errno == EEXIST) {
+            if (mode == QSystemSemaphore::Create) {
+                if (sem_unlink(semName.constData()) == -1 && errno != ENOENT) {
+                    setErrorString(QLatin1String("QSystemSemaphore::handle (sem_unlink)"));
+                    return false;
+                }
+                // Race condition: the semaphore might be recreated before
+                // we call sem_open again, so we'll retry several times.
+                maxTries = 3;
+            } else {
+                // Race condition: if it no longer exists at the next sem_open
+                // call, we won't realize we created it, so we'll leak it later.
+                oflag &= ~O_EXCL;
+                maxTries = 2;
+            }
+        } else {
+            break;
+        }
+    }
+    if (semaphore == SEM_FAILED) {
+        setErrorString(QLatin1String("QSystemSemaphore::handle"));
+        return false;
+    }
+
+    createdSemaphore = (oflag & O_EXCL) != 0;
+    return true;
+}
+#endif // QT_POSIX_IPC
 
 /*!
     \internal
 
-    Cleanup the unix_key
- */
+    Clean up the semaphore
+*/
 void QSystemSemaphorePrivate::cleanHandle()
 {
+#ifndef QT_POSIX_IPC
     unix_key = -1;
 
     // remove the file if we made it
@@ -189,21 +254,43 @@ void QSystemSemaphorePrivate::cleanHandle()
         if (-1 != semaphore) {
             if (-1 == semctl(semaphore, 0, IPC_RMID, 0)) {
                 setErrorString(QLatin1String("QSystemSemaphore::cleanHandle"));
-#if defined QSYSTEMSEMAPHORE_DEBUG
-                qDebug() << QLatin1String("QSystemSemaphore::cleanHandle semctl failed.");
+#ifdef QSYSTEMSEMAPHORE_DEBUG
+                qDebug("QSystemSemaphore::cleanHandle semctl failed.");
 #endif
             }
             semaphore = -1;
         }
         createdSemaphore = false;
     }
+#else
+    if (semaphore != SEM_FAILED) {
+        if (sem_close(semaphore) == -1) {
+            setErrorString(QLatin1String("QSystemSemaphore::cleanHandle (sem_close)"));
+#ifdef QSYSTEMSEMAPHORE_DEBUG
+            qDebug() << QLatin1String("QSystemSemaphore::cleanHandle sem_close failed.");
+#endif
+        }
+        semaphore = SEM_FAILED;
+    }
+
+    if (createdSemaphore) {
+        if (sem_unlink(QFile::encodeName(fileName).constData()) == -1 && errno != ENOENT) {
+            setErrorString(QLatin1String("QSystemSemaphore::cleanHandle (sem_unlink)"));
+#ifdef QSYSTEMSEMAPHORE_DEBUG
+            qDebug() << QLatin1String("QSystemSemaphore::cleanHandle sem_unlink failed.");
+#endif
+        }
+        createdSemaphore = false;
+    }
+#endif // QT_POSIX_IPC
 }
 
 /*!
     \internal
- */
+*/
 bool QSystemSemaphorePrivate::modifySemaphore(int count)
 {
+#ifndef QT_POSIX_IPC
     if (-1 == handle())
         return false;
 
@@ -223,16 +310,53 @@ bool QSystemSemaphorePrivate::modifySemaphore(int count)
             return modifySemaphore(count);
         }
         setErrorString(QLatin1String("QSystemSemaphore::modifySemaphore"));
-#if defined QSYSTEMSEMAPHORE_DEBUG
+#ifdef QSYSTEMSEMAPHORE_DEBUG
         qDebug() << QLatin1String("QSystemSemaphore::modify failed") << count << semctl(semaphore, 0, GETVAL) << errno << EIDRM << EINVAL;
 #endif
         return false;
     }
+#else
+    if (!handle())
+        return false;
+
+    if (count > 0) {
+        int cnt = count;
+        do {
+            if (sem_post(semaphore) == -1) {
+                setErrorString(QLatin1String("QSystemSemaphore::modifySemaphore (sem_post)"));
+#ifdef QSYSTEMSEMAPHORE_DEBUG
+                qDebug() << QLatin1String("QSystemSemaphore::modify sem_post failed") << count << errno;
+#endif
+                // rollback changes to preserve the SysV semaphore behavior
+                for ( ; cnt < count; ++cnt) {
+                    register int res;
+                    EINTR_LOOP(res, sem_wait(semaphore));
+                }
+                return false;
+            }
+            --cnt;
+        } while (cnt > 0);
+    } else {
+        register int res;
+        EINTR_LOOP(res, sem_wait(semaphore));
+        if (res == -1) {
+            // If the semaphore was removed be nice and create it and then modifySemaphore again
+            if (errno == EINVAL || errno == EIDRM) {
+                semaphore = SEM_FAILED;
+                return modifySemaphore(count);
+            }
+            setErrorString(QLatin1String("QSystemSemaphore::modifySemaphore (sem_wait)"));
+#ifdef QSYSTEMSEMAPHORE_DEBUG
+            qDebug() << QLatin1String("QSystemSemaphore::modify sem_wait failed") << count << errno;
+#endif
+            return false;
+        }
+    }
+#endif // QT_POSIX_IPC
 
     return true;
 }
 
-
 QT_END_NAMESPACE
 
 #endif // QT_NO_SYSTEMSEMAPHORE
diff --git a/src/corelib/kernel/qsystemsemaphore_win.cpp b/src/corelib/kernel/qsystemsemaphore_win.cpp
index 30cab7e..0e9d645 100644
--- a/src/corelib/kernel/qsystemsemaphore_win.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_win.cpp
@@ -44,18 +44,20 @@
 #include "qcoreapplication.h"
 #include <qdebug.h>
 
-QT_BEGIN_NAMESPACE
-        
 #ifndef QT_NO_SYSTEMSEMAPHORE
 
+//#define QSYSTEMSEMAPHORE_DEBUG
+
+QT_BEGIN_NAMESPACE
+
 QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
-        semaphore(0), error(QSystemSemaphore::NoError)
+    semaphore(0), error(QSystemSemaphore::NoError)
 {
 }
 
 void QSystemSemaphorePrivate::setErrorString(const QString &function)
 {
-    BOOL windowsError = GetLastError();
+    DWORD windowsError = GetLastError();
     if (windowsError == 0)
         return;
 
@@ -72,9 +74,10 @@ void QSystemSemaphorePrivate::setErrorString(const QString &function)
     default:
         errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(windowsError);
         error = QSystemSemaphore::UnknownError;
-#if defined QSYSTEMSEMAPHORE_DEBUG
+#ifdef QSYSTEMSEMAPHORE_DEBUG
         qDebug() << errorString << "key" << key;
 #endif
+        break;
     }
 }
 
@@ -110,7 +113,7 @@ bool QSystemSemaphorePrivate::modifySemaphore(int count)
         return false;
 
     if (count > 0) {
-	if (0 == ReleaseSemaphore(semaphore, count, 0)) {
+        if (0 == ReleaseSemaphore(semaphore, count, 0)) {
             setErrorString(QLatin1String("QSystemSemaphore::modifySemaphore"));
 #if defined QSYSTEMSEMAPHORE_DEBUG
             qDebug() << QLatin1String("QSystemSemaphore::modifySemaphore ReleaseSemaphore failed");
@@ -130,6 +133,6 @@ bool QSystemSemaphorePrivate::modifySemaphore(int count)
     return true;
 }
 
-#endif //QT_NO_SYSTEMSEMAPHORE
+#endif // QT_NO_SYSTEMSEMAPHORE
 
 QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qtimer.cpp b/src/corelib/kernel/qtimer.cpp
index 3c8704c..0edcb3b 100644
--- a/src/corelib/kernel/qtimer.cpp
+++ b/src/corelib/kernel/qtimer.cpp
@@ -205,6 +205,9 @@ QTimer::~QTimer()
 
     Starts or restarts the timer with the timeout specified in \l interval.
 
+    If the timer is already running, it will be
+    \l{QTimer::stop()}{stopped} and restarted.
+
     If \l singleShot is true, the timer will be activated only once.
 */
 void QTimer::start()
@@ -218,6 +221,12 @@ void QTimer::start()
 /*!
     Starts or restarts the timer with a timeout interval of \a msec
     milliseconds.
+
+    If the timer is already running, it will be
+    \l{QTimer::stop()}{stopped} and restarted.
+
+    If \l singleShot is true, the timer will be activated only once.
+
 */
 void QTimer::start(int msec)
 {
diff --git a/src/corelib/kernel/qtranslator.cpp b/src/corelib/kernel/qtranslator.cpp
index 4504eab..d255422 100644
--- a/src/corelib/kernel/qtranslator.cpp
+++ b/src/corelib/kernel/qtranslator.cpp
@@ -600,7 +600,7 @@ static QString find_translation(const QLocale & locale,
 /*!
     \since 4.8
 
-    Loads \a filename + \a prefix + \a \l{QLocale::uiLanguages()}{ui language
+    Loads \a filename + \a prefix + \l{QLocale::uiLanguages()}{ui language
     name} + \a suffix (".qm" if the \a suffix is not specified), which may be
     an absolute file name or relative to \a directory. Returns true if the
     translation is successfully loaded; otherwise returns false.
@@ -618,7 +618,7 @@ static QString find_translation(const QLocale & locale,
     \endlist
 
     For example, an application running in the locale with the following
-    l{QLocale::uiLanguages()}{ui languages} - "es", "fr-CA", "de" might call
+    \l{QLocale::uiLanguages()}{ui languages} - "es", "fr-CA", "de" might call
     load(QLocale::system(), "foo", ".", "/opt/foolib", ".qm"). load() would
     replace '-' (dash) with '_' (underscore) in the ui language and then try to
     open the first existing readable file from this list:
@@ -637,8 +637,8 @@ static QString find_translation(const QLocale & locale,
     \o \c /opt/foolib/foo
     \endlist
 
-    For OSs where file system is case sensitive, QTranslator also tries to load
-    a lower-cased version of the locale name.
+    On operating systems where file system is case sensitive, QTranslator also
+    tries to load a lower-cased version of the locale name.
 */
 bool QTranslator::load(const QLocale & locale,
                        const QString & filename,
diff --git a/src/corelib/thread/qmutexpool.cpp b/src/corelib/thread/qmutexpool.cpp
index 03ab047..49fb46b 100644
--- a/src/corelib/thread/qmutexpool.cpp
+++ b/src/corelib/thread/qmutexpool.cpp
@@ -123,7 +123,8 @@ QMutexPool *QMutexPool::instance()
     return globalMutexPool();
 }
 
-/*!  \fn QMutexPool::get(void *address)
+/*!
+    \fn QMutexPool::get(const void *address)
     Returns a QMutex from the pool. QMutexPool uses the value \a address
     to determine which mutex is returned from the pool.
 */
diff --git a/src/corelib/thread/qthread_symbian.cpp b/src/corelib/thread/qthread_symbian.cpp
index c515ae6..46339a6 100644
--- a/src/corelib/thread/qthread_symbian.cpp
+++ b/src/corelib/thread/qthread_symbian.cpp
@@ -335,7 +335,15 @@ void *QThreadPrivate::start(void *arg)
     createEventDispatcher(data);
 
     emit thr->started();
-    thr->run();
+    TRAPD(err, {
+        try {
+            thr->run();
+        } catch (const std::exception& ex) {
+            qWarning("QThreadPrivate::start: Thread exited on exception %s", ex.what());
+        }
+    });
+    if (err)
+        qWarning("QThreadPrivate::start: Thread exited on leave %d", err);
 
     QThreadPrivate::finish(arg);
 
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index 839a396..765969e 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -479,6 +479,11 @@ void QThread::usleep(unsigned long usecs)
 // sched_priority is OUT only
 static bool calculateUnixPriority(int priority, int *sched_policy, int *sched_priority)
 {
+#ifdef Q_OS_QNX
+    // without Round Robin drawn intensive apps will hog the cpu
+    // and make the system appear frozen
+   *sched_policy = SCHED_RR;
+#endif
 #ifdef SCHED_IDLE
     if (priority == QThread::IdlePriority) {
         *sched_policy = SCHED_IDLE;
diff --git a/src/corelib/tools/qlist.cpp b/src/corelib/tools/qlist.cpp
index 1c1d684..36a9c60 100644
--- a/src/corelib/tools/qlist.cpp
+++ b/src/corelib/tools/qlist.cpp
@@ -590,10 +590,10 @@ void **QListData::erase(void **xi)
     \sa operator=()
 */
 
-/*! \fn QList::QList(std::initializer_list<T> args)
+/*! \fn inline QList::QList(std::initializer_list<T> args)
     \since 4.8
 
-    Construct a list from a std::initilizer_list.
+    Construct a list from the std::initializer_list specified by \a args.
 
     This constructor is only enabled if the compiler supports C++0x
 */
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index eb1b7d5..ca8cc8a 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -933,7 +933,7 @@ QLocale::Country QLocale::country() const
     name() will not contain it for compatibility reasons. Use bcp47Name() instead
     if you need a full locale name.
 
-    \sa QLocale(const QString &), language(), script(), country(), bcp47Name()
+    \sa QLocale(), language(), script(), country(), bcp47Name()
 */
 
 QString QLocale::name() const
diff --git a/src/corelib/tools/qlocale.qdoc b/src/corelib/tools/qlocale.qdoc
index 34e4fb3..fd139c3 100644
--- a/src/corelib/tools/qlocale.qdoc
+++ b/src/corelib/tools/qlocale.qdoc
@@ -769,6 +769,8 @@
   \value Weekdays a QList<Qt::DayOfWeek> specifying the regular weekdays
   \value LocaleChanged this type is queried whenever the system locale is changed.
   \value ListToSeparatedString a string that represents a join of a given QStringList with a locale-defined separator.
+  \value NativeLanguageName a string that represents the name of the native language.
+  \value NativeCountryName a string that represents the name of the native country.
 */
 
 /*!
diff --git a/src/corelib/tools/qscopedpointer.cpp b/src/corelib/tools/qscopedpointer.cpp
index 8ce6b57..9277a3e 100644
--- a/src/corelib/tools/qscopedpointer.cpp
+++ b/src/corelib/tools/qscopedpointer.cpp
@@ -252,10 +252,9 @@ QT_BEGIN_NAMESPACE
 */
 
 /*!
-    \fn QScopedArrayPointer::QScopedArrayPointer(T *p = 0)
+    \fn QScopedArrayPointer::QScopedArrayPointer()
 
-    Constructs this QScopedArrayPointer instance and sets its pointer
-    to \a p.
+    Constructs a QScopedArrayPointer instance.
 */
 
 /*!
diff --git a/src/corelib/tools/qscopedvaluerollback.cpp b/src/corelib/tools/qscopedvaluerollback.cpp
index a9bbdb3..1ad47f4 100644
--- a/src/corelib/tools/qscopedvaluerollback.cpp
+++ b/src/corelib/tools/qscopedvaluerollback.cpp
@@ -45,7 +45,7 @@ QT_BEGIN_NAMESPACE
 
 /*!
     \class QScopedValueRollback
-    \brief The QScopedValueRollback resets a variable to its previous value on destruction
+    \brief The QScopedValueRollback class resets a variable to its previous value on destruction.
     \since 4.8
     \ingroup misc
 
@@ -65,7 +65,7 @@ QT_BEGIN_NAMESPACE
 /*!
     \fn QScopedValueRollback::QScopedValueRollback(T &var)
 
-    Stores the previous value of var internally, for revert on destruction.
+    Stores the previous value of \a var internally, for revert on destruction.
 */
 
 /*!
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index 8ad4e70..ee45cfd 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -837,6 +837,25 @@ int QString::grow(int size)
     \sa QString::const_iterator
 */
 
+/*!
+    \typedef QString::const_reference
+
+    The QString::const_reference typedef provides an STL-style
+    const reference for QString.
+*/
+/*!
+    \typedef QString::reference
+
+    The QString::const_reference typedef provides an STL-style
+    reference for QString.
+*/
+/*!
+    \typedef QString::value_type
+
+    The QString::const_reference typedef provides an STL-style
+    value type for QString.
+*/
+
 /*! \fn QString::iterator QString::begin()
 
     Returns an \l{STL-style iterator} pointing to the first character in
@@ -3556,6 +3575,61 @@ bool QString::endsWith(const QChar &c, Qt::CaseSensitivity cs) const
     Use toLocal8Bit() instead.
 */
 
+#if defined(QT_ALWAYS_HAVE_SSE2)
+static inline __m128i mergeQuestionMarks(__m128i chunk)
+{
+    const __m128i questionMark = _mm_set1_epi16('?');
+
+# ifdef __SSE4_2__
+    // compare the unsigned shorts for the range 0x0100-0xFFFF
+    // note on the use of _mm_cmpestrm:
+    //  The MSDN documentation online (http://technet.microsoft.com/en-us/library/bb514080.aspx)
+    //  says for range search the following:
+    //    For each character c in a, determine whether b0 <= c <= b1 or b2 <= c <= b3
+    //
+    //  However, all examples on the Internet, including from Intel
+    //  (see http://software.intel.com/en-us/articles/xml-parsing-accelerator-with-intel-streaming-simd-extensions-4-intel-sse4/)
+    //  put the range to be searched first
+    //
+    //  Disassembly and instruction-level debugging with GCC and ICC show
+    //  that they are doing the right thing. Inverting the arguments in the
+    //  instruction does cause a bunch of test failures.
+
+    const int mode = _SIDD_UWORD_OPS | _SIDD_CMP_RANGES | _SIDD_UNIT_MASK;
+    const __m128i rangeMatch = _mm_cvtsi32_si128(0xffff0100);
+    const __m128i offLimitMask = _mm_cmpestrm(rangeMatch, 2, chunk, 8, mode);
+
+    // replace the non-Latin 1 characters in the chunk with question marks
+    chunk = _mm_blendv_epi8(chunk, questionMark, offLimitMask);
+# else
+    // SSE has no compare instruction for unsigned comparison.
+    // The variables must be shiffted + 0x8000 to be compared
+    const __m128i signedBitOffset = _mm_set1_epi16(0x8000);
+    const __m128i thresholdMask = _mm_set1_epi16(0xff + 0x8000);
+
+    const __m128i signedChunk = _mm_add_epi16(chunk, signedBitOffset);
+    const __m128i offLimitMask = _mm_cmpgt_epi16(signedChunk, thresholdMask);
+
+#  ifdef __SSE4_1__
+    // replace the non-Latin 1 characters in the chunk with question marks
+    chunk = _mm_blendv_epi8(chunk, questionMark, offLimitMask);
+#  else
+    // offLimitQuestionMark contains '?' for each 16 bits that was off-limit
+    // the 16 bits that were correct contains zeros
+    const __m128i offLimitQuestionMark = _mm_and_si128(offLimitMask, questionMark);
+
+    // correctBytes contains the bytes that were in limit
+    // the 16 bits that were off limits contains zeros
+    const __m128i correctBytes = _mm_andnot_si128(offLimitMask, chunk);
+
+    // merge offLimitQuestionMark and correctBytes to have the result
+    chunk = _mm_or_si128(correctBytes, offLimitQuestionMark);
+#  endif
+# endif
+    return chunk;
+}
+#endif
+
 static QByteArray toLatin1_helper(const QChar *data, int length)
 {
     QByteArray ba;
@@ -3566,41 +3640,15 @@ static QByteArray toLatin1_helper(const QChar *data, int length)
 #if defined(QT_ALWAYS_HAVE_SSE2)
         if (length >= 16) {
             const int chunkCount = length >> 4; // divided by 16
-            const __m128i questionMark = _mm_set1_epi16('?');
-            // SSE has no compare instruction for unsigned comparison.
-            // The variables must be shiffted + 0x8000 to be compared
-            const __m128i signedBitOffset = _mm_set1_epi16(0x8000);
-            const __m128i thresholdMask = _mm_set1_epi16(0xff + 0x8000);
+
             for (int i = 0; i < chunkCount; ++i) {
                 __m128i chunk1 = _mm_loadu_si128((__m128i*)src); // load
+                chunk1 = mergeQuestionMarks(chunk1);
                 src += 8;
-                {
-                    // each 16 bit is equal to 0xFF if the source is outside latin 1 (>0xff)
-                    const __m128i signedChunk = _mm_add_epi16(chunk1, signedBitOffset);
-                    const __m128i offLimitMask = _mm_cmpgt_epi16(signedChunk, thresholdMask);
-
-                    // offLimitQuestionMark contains '?' for each 16 bits that was off-limit
-                    // the 16 bits that were correct contains zeros
-                    const __m128i offLimitQuestionMark = _mm_and_si128(offLimitMask, questionMark);
-
-                    // correctBytes contains the bytes that were in limit
-                    // the 16 bits that were off limits contains zeros
-                    const __m128i correctBytes = _mm_andnot_si128(offLimitMask, chunk1);
-
-                    // merge offLimitQuestionMark and correctBytes to have the result
-                    chunk1 = _mm_or_si128(correctBytes, offLimitQuestionMark);
-                }
 
                 __m128i chunk2 = _mm_loadu_si128((__m128i*)src); // load
+                chunk2 = mergeQuestionMarks(chunk2);
                 src += 8;
-                {
-                    // exactly the same operations as for the previous chunk of data
-                    const __m128i signedChunk = _mm_add_epi16(chunk2, signedBitOffset);
-                    const __m128i offLimitMask = _mm_cmpgt_epi16(signedChunk, thresholdMask);
-                    const __m128i offLimitQuestionMark = _mm_and_si128(offLimitMask, questionMark);
-                    const __m128i correctBytes = _mm_andnot_si128(offLimitMask, chunk2);
-                    chunk2 = _mm_or_si128(correctBytes, offLimitQuestionMark);
-                }
 
                 // pack the two vector to 16 x 8bits elements
                 const __m128i result = _mm_packus_epi16(chunk1, chunk2);
@@ -9111,7 +9159,7 @@ QByteArray QStringRef::toUtf8() const
     UCS-4 is a Unicode codec and is lossless. All characters from this string
     can be encoded in UCS-4.
 
-    \sa fromUtf8(), toAscii(), toLatin1(), toLocal8Bit(), QTextCodec, fromUcs4(), toWCharArray()
+    \sa toAscii(), toLatin1(), toLocal8Bit(), QTextCodec
 */
 QVector<uint> QStringRef::toUcs4() const
 {
diff --git a/src/corelib/tools/qstringbuilder.cpp b/src/corelib/tools/qstringbuilder.cpp
index fb06736..45de6bc 100644
--- a/src/corelib/tools/qstringbuilder.cpp
+++ b/src/corelib/tools/qstringbuilder.cpp
@@ -142,7 +142,8 @@ QT_BEGIN_NAMESPACE
   characters.
  */
 
-/*! \fn QStringBuilder::operator QString() const
+/*!
+    \fn operator QStringBuilder::QString() const
  
     Converts the \c QLatin1Literal into a \c QString object.
 */
diff --git a/src/corelib/tools/qstringlist.cpp b/src/corelib/tools/qstringlist.cpp
index 5997574..8b47137 100644
--- a/src/corelib/tools/qstringlist.cpp
+++ b/src/corelib/tools/qstringlist.cpp
@@ -683,7 +683,7 @@ int QtPrivate::QStringList_removeDuplicates(QStringList *that)
 /*! \fn QStringList::QStringList(std::initializer_list<QString> args)
     \since 4.8
 
-    Construct a list from a std::initilizer_list.
+    Construct a list from a std::initializer_list given by \a args.
 
     This constructor is only enabled if the compiler supports C++0x
 */
diff --git a/src/corelib/tools/qvarlengtharray.qdoc b/src/corelib/tools/qvarlengtharray.qdoc
index b2dc7d6..b1d7a1a 100644
--- a/src/corelib/tools/qvarlengtharray.qdoc
+++ b/src/corelib/tools/qvarlengtharray.qdoc
@@ -337,6 +337,20 @@
     Typedef for const T &. Provided for STL compatibility.
 */
 
+/*!
+    \typedef QVarLengthArray::const_iterator
+    \since 4.7
+
+    Typedef for const T *. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QVarLengthArray::iterator
+    \since 4.7
+
+    Typedef for T *. Provided for STL compatibility.
+*/
+
 /*! \fn void QVarLengthArray::prepend(const T &value)
 
     \since 4.8
@@ -501,7 +515,7 @@
 
     \relates QVarLengthArray
     \since 4.8
-    Returns true if the two array are equal;
+    Returns true if the two arrays, specified by \a left and \a right, are equal.
 
     Two arrays are considered equal if they contain the same values
     in the same order.
@@ -516,7 +530,7 @@
 
     \relates QVarLengthArray
     \since 4.8
-    Returns true if the two array are different;
+    Returns true if the two arrays, specified by \a left and \a right, are \e not equal.
 
     Two arrays are considered equal if they contain the same values
     in the same order.
diff --git a/src/corelib/tools/qvector.cpp b/src/corelib/tools/qvector.cpp
index 8c4dd06..98a2412 100644
--- a/src/corelib/tools/qvector.cpp
+++ b/src/corelib/tools/qvector.cpp
@@ -277,7 +277,7 @@ int QVectorData::grow(int sizeofTypedData, int size, int sizeofT, bool excessive
 /*! \fn QVector::QVector(std::initializer_list<T> args)
     \since 4.8
 
-    Construct a vector from a std::initilizer_list.
+    Construct a vector from the std::initilizer_list given by \a args.
 
     This constructor is only enabled if the compiler supports C++0x
 */
diff --git a/src/corelib/xml/qxmlstream.cpp b/src/corelib/xml/qxmlstream.cpp
index 19626af..caaffd3 100644
--- a/src/corelib/xml/qxmlstream.cpp
+++ b/src/corelib/xml/qxmlstream.cpp
@@ -646,6 +646,11 @@ QXmlStreamReader::TokenType QXmlStreamReader::tokenType() const
   parser has reached the end element, the current element becomes the parent
   element.
 
+  You can traverse a document by repeatedly calling this function while
+  ensuring that the stream reader is not at the end of the document:
+
+  \snippet doc/src/snippets/xml/streamreader/traverse.cpp traverse document
+
   This is a convenience function for when you're only concerned with parsing
   XML elements. The \l{QXmlStream Bookmarks Example} makes extensive use of
   this function.
diff --git a/src/dbus/qdbus_symbols_p.h b/src/dbus/qdbus_symbols_p.h
index 8b46e6a..a59c08a 100644
--- a/src/dbus/qdbus_symbols_p.h
+++ b/src/dbus/qdbus_symbols_p.h
@@ -301,6 +301,8 @@ DEFINEFUNC(void          , dbus_get_version ,     (int *major_version_p,
                                                    int *minor_version_p,
                                                    int *micro_version_p),
            (major_version_p, minor_version_p, micro_version_p), )
+DEFINEFUNC(char*         , dbus_get_local_machine_id ,  (void), (), return)
+
 
 /* dbus-pending-call.h */
 DEFINEFUNC(dbus_bool_t  , dbus_pending_call_set_notify, (DBusPendingCall               *pending,
diff --git a/src/dbus/qdbusconnection.cpp b/src/dbus/qdbusconnection.cpp
index 6628ca3..0b4133c 100644
--- a/src/dbus/qdbusconnection.cpp
+++ b/src/dbus/qdbusconnection.cpp
@@ -234,10 +234,11 @@ void QDBusConnectionManager::setConnection(const QString &name, QDBusConnectionP
 
 /*!
     \since 4.8
-    \enum QDBusConnection::ConnectionCapabilities
-    The available capabilities for a D-Bus connection.
+    \enum QDBusConnection::ConnectionCapability
 
-    \value UnixFileDescriptorPassing        passing of Unix file descriptors to other processes
+    This enum describes the available capabilities for a D-Bus connection.
+
+    \value UnixFileDescriptorPassing        enables passing of Unix file descriptors to other processes
                                             (see QDBusUnixFileDescriptor)
 
     \sa connectionCapabilities()
@@ -1123,6 +1124,27 @@ void QDBusConnectionPrivate::setBusService(const QDBusConnection &connection)
 }
 
 /*!
+    \since 4.8
+    Returns the local machine ID as known to the D-Bus system. Each
+    node or host that runs D-Bus has a unique identifier that can be
+    used to distinguish it from other hosts if they are sharing
+    resources like the filesystem.
+
+    Note that the local machine ID is not guaranteed to be persistent
+    across boots of the system, so this identifier should not be
+    stored in persistent storage (like the filesystem). It is
+    guaranteed to remain constant only during the lifetime of this
+    boot session.
+*/
+QByteArray QDBusConnection::localMachineId()
+{
+    char *dbus_machine_id = q_dbus_get_local_machine_id();
+    QByteArray result = dbus_machine_id;
+    q_dbus_free(dbus_machine_id);
+    return result;
+}
+
+/*!
     \namespace QDBus
     \inmodule QtDBus
 
diff --git a/src/dbus/qdbusconnection.h b/src/dbus/qdbusconnection.h
index 19418d6..4bdd055 100644
--- a/src/dbus/qdbusconnection.h
+++ b/src/dbus/qdbusconnection.h
@@ -176,6 +176,8 @@ public:
     static void disconnectFromBus(const QString &name);
     static void disconnectFromPeer(const QString &name);
 
+    static QByteArray localMachineId();
+
     static QDBusConnection sessionBus();
     static QDBusConnection systemBus();
 
diff --git a/src/dbus/qdbusunixfiledescriptor.cpp b/src/dbus/qdbusunixfiledescriptor.cpp
index 75a99b4..86d2b3c 100644
--- a/src/dbus/qdbusunixfiledescriptor.cpp
+++ b/src/dbus/qdbusunixfiledescriptor.cpp
@@ -99,7 +99,17 @@ QT_BEGIN_NAMESPACE
     invalid state and QDBusUnixFileDescriptor::isSupported() will return
     false.
 
-    \sa QDBusConnection::ConnectionCapabilities, QDBusConnection::connectionCapabilities
+    \sa QDBusConnection::ConnectionCapabilities, QDBusConnection::connectionCapabilities()
+*/
+
+/*!
+    \typedef QDBusUnixFileDescriptor::Data
+    \internal
+*/
+
+/*!
+    \variable QDBusUnixFileDescriptor::d
+    \internal
 */
 
 class QDBusUnixFileDescriptorPrivate : public QSharedData {
@@ -122,7 +132,7 @@ QExplicitlySharedDataPointer<QDBusUnixFileDescriptorPrivate>::~QExplicitlyShared
     This is equivalent to constructing the object with an invalid file
     descriptor (like -1).
 
-    \sa fileDescriptor, isValid
+    \sa fileDescriptor(), isValid()
 */
 QDBusUnixFileDescriptor::QDBusUnixFileDescriptor()
     : d(0)
@@ -140,7 +150,7 @@ QDBusUnixFileDescriptor::QDBusUnixFileDescriptor()
     If the \a fileDescriptor parameter is not valid, isValid() will return
     false and fileDescriptor() will return -1.
 
-    \sa setFileDescriptor, fileDescriptor
+    \sa setFileDescriptor(), fileDescriptor()
 */
 QDBusUnixFileDescriptor::QDBusUnixFileDescriptor(int fileDescriptor)
     : d(0)
@@ -227,7 +237,7 @@ bool QDBusUnixFileDescriptor::isSupported()
 
 /*!
     Sets the file descriptor that this QDBusUnixFileDescriptor object holds
-    to a copy of \a fileDescriptor.T he original file descriptor is not
+    to a copy of \a fileDescriptor. The original file descriptor is not
     touched and must be closed by the user.
 
     Note that the value returned by fileDescriptor() will be different from
diff --git a/src/declarative/debugger/debugger.pri b/src/declarative/debugger/debugger.pri
index 044db3c..3134c79 100644
--- a/src/declarative/debugger/debugger.pri
+++ b/src/declarative/debugger/debugger.pri
@@ -9,7 +9,7 @@ SOURCES += \
     $$PWD/qdeclarativedebugtrace.cpp \
     $$PWD/qdeclarativedebughelper.cpp \
     $$PWD/qdeclarativedebugserver.cpp \
-    $$PWD/qdeclarativeobserverservice.cpp \
+    $$PWD/qdeclarativeinspectorservice.cpp \
     $$PWD/qjsdebuggeragent.cpp \
     $$PWD/qjsdebugservice.cpp
 
@@ -24,7 +24,7 @@ HEADERS += \
     $$PWD/qdeclarativedebughelper_p.h \
     $$PWD/qdeclarativedebugserver_p.h \
     $$PWD/qdeclarativedebugserverconnection_p.h \
-    $$PWD/qdeclarativeobserverservice_p.h \
-    $$PWD/qdeclarativeobserverinterface_p.h \
+    $$PWD/qdeclarativeinspectorservice_p.h \
+    $$PWD/qdeclarativeinspectorinterface_p.h \
     $$PWD/qjsdebuggeragent_p.h \
     $$PWD/qjsdebugservice_p.h
diff --git a/src/declarative/debugger/qdeclarativedebug.cpp b/src/declarative/debugger/qdeclarativedebug.cpp
index 32c2b47..620ee1d 100644
--- a/src/declarative/debugger/qdeclarativedebug.cpp
+++ b/src/declarative/debugger/qdeclarativedebug.cpp
@@ -638,14 +638,15 @@ QDeclarativeDebugExpressionQuery *QDeclarativeEngineDebug::queryExpressionResult
 
 bool QDeclarativeEngineDebug::setBindingForObject(int objectDebugId, const QString &propertyName,
                                                   const QVariant &bindingExpression,
-                                                  bool isLiteralValue)
+                                                  bool isLiteralValue,
+                                                  QString source, int line)
 {
     Q_D(QDeclarativeEngineDebug);
 
     if (d->client->status() == QDeclarativeDebugClient::Enabled && objectDebugId != -1) {
         QByteArray message;
         QDataStream ds(&message, QIODevice::WriteOnly);
-        ds << QByteArray("SET_BINDING") << objectDebugId << propertyName << bindingExpression << isLiteralValue;
+        ds << QByteArray("SET_BINDING") << objectDebugId << propertyName << bindingExpression << isLiteralValue << source << line;
         d->client->sendMessage(message);
         return true;
     } else {
diff --git a/src/declarative/debugger/qdeclarativedebug_p.h b/src/declarative/debugger/qdeclarativedebug_p.h
index ae92d6a..f822637 100644
--- a/src/declarative/debugger/qdeclarativedebug_p.h
+++ b/src/declarative/debugger/qdeclarativedebug_p.h
@@ -101,7 +101,8 @@ public:
                                                    const QString &expr,
                                                    QObject *parent = 0);
     bool setBindingForObject(int objectDebugId, const QString &propertyName,
-                             const QVariant &bindingExpression, bool isLiteralValue);
+                             const QVariant &bindingExpression, bool isLiteralValue,
+                             QString source = QString(), int line = -1);
     bool resetBindingForObject(int objectDebugId, const QString &propertyName);
     bool setMethodBody(int objectDebugId, const QString &methodName, const QString &methodBody);
 
diff --git a/src/declarative/debugger/qdeclarativeobserverinterface_p.h b/src/declarative/debugger/qdeclarativeinspectorinterface_p.h
index efb47fa..aa29d68 100644
--- a/src/declarative/debugger/qdeclarativeobserverinterface_p.h
+++ b/src/declarative/debugger/qdeclarativeinspectorinterface_p.h
@@ -50,17 +50,17 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Declarative)
 
-class Q_DECLARATIVE_EXPORT QDeclarativeObserverInterface
+class Q_DECLARATIVE_EXPORT QDeclarativeInspectorInterface
 {
 public:
-    QDeclarativeObserverInterface() {}
-    virtual ~QDeclarativeObserverInterface() {}
+    QDeclarativeInspectorInterface() {}
+    virtual ~QDeclarativeInspectorInterface() {}
 
     virtual void activate() = 0;
     virtual void deactivate() = 0;
 };
 
-Q_DECLARE_INTERFACE(QDeclarativeObserverInterface, "com.trolltech.Qt.QDeclarativeObserverInterface/1.0")
+Q_DECLARE_INTERFACE(QDeclarativeInspectorInterface, "com.trolltech.Qt.QDeclarativeInspectorInterface/1.0")
 
 QT_END_NAMESPACE
 
diff --git a/src/declarative/debugger/qdeclarativeobserverservice.cpp b/src/declarative/debugger/qdeclarativeinspectorservice.cpp
index 43d9281..15dbf58 100644
--- a/src/declarative/debugger/qdeclarativeobserverservice.cpp
+++ b/src/declarative/debugger/qdeclarativeinspectorservice.cpp
@@ -39,8 +39,8 @@
 **
 ****************************************************************************/
 
-#include "private/qdeclarativeobserverservice_p.h"
-#include "private/qdeclarativeobserverinterface_p.h"
+#include "private/qdeclarativeinspectorservice_p.h"
+#include "private/qdeclarativeinspectorinterface_p.h"
 
 #include <QtCore/QCoreApplication>
 #include <QtCore/QDebug>
@@ -51,30 +51,32 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_GLOBAL_STATIC(QDeclarativeObserverService, serviceInstance)
+Q_GLOBAL_STATIC(QDeclarativeInspectorService, serviceInstance)
 
-QDeclarativeObserverService::QDeclarativeObserverService()
+QDeclarativeInspectorService::QDeclarativeInspectorService()
     : QDeclarativeDebugService(QLatin1String("QDeclarativeObserverMode"))
-    , m_observer(0)
+    , m_inspectorPlugin(0)
 {
 }
 
-QDeclarativeObserverService *QDeclarativeObserverService::instance()
+QDeclarativeInspectorService *QDeclarativeInspectorService::instance()
 {
     return serviceInstance();
 }
 
-void QDeclarativeObserverService::addView(QDeclarativeView *view)
+void QDeclarativeInspectorService::addView(QDeclarativeView *view)
 {
     m_views.append(view);
+    updateStatus();
 }
 
-void QDeclarativeObserverService::removeView(QDeclarativeView *view)
+void QDeclarativeInspectorService::removeView(QDeclarativeView *view)
 {
     m_views.removeAll(view);
+    updateStatus();
 }
 
-void QDeclarativeObserverService::sendMessage(const QByteArray &message)
+void QDeclarativeInspectorService::sendMessage(const QByteArray &message)
 {
     if (status() != Enabled)
         return;
@@ -82,33 +84,41 @@ void QDeclarativeObserverService::sendMessage(const QByteArray &message)
     QDeclarativeDebugService::sendMessage(message);
 }
 
-void QDeclarativeObserverService::statusChanged(Status status)
+void QDeclarativeInspectorService::statusChanged(Status status)
 {
-    if (m_views.isEmpty())
+    updateStatus();
+}
+
+void QDeclarativeInspectorService::updateStatus()
+{
+    if (m_views.isEmpty()) {
+        if (m_inspectorPlugin)
+            m_inspectorPlugin->deactivate();
         return;
+    }
 
-    if (status == Enabled) {
-        if (!m_observer)
-            m_observer = loadObserverPlugin();
+    if (status() == Enabled) {
+        if (!m_inspectorPlugin)
+            m_inspectorPlugin = loadInspectorPlugin();
 
-        if (!m_observer) {
-            qWarning() << "Error while loading observer plugin";
+        if (!m_inspectorPlugin) {
+            qWarning() << "Error while loading inspector plugin";
             return;
         }
 
-        m_observer->activate();
+        m_inspectorPlugin->activate();
     } else {
-        if (m_observer)
-            m_observer->deactivate();
+        if (m_inspectorPlugin)
+            m_inspectorPlugin->deactivate();
     }
 }
 
-void QDeclarativeObserverService::messageReceived(const QByteArray &message)
+void QDeclarativeInspectorService::messageReceived(const QByteArray &message)
 {
     emit gotMessage(message);
 }
 
-QDeclarativeObserverInterface *QDeclarativeObserverService::loadObserverPlugin()
+QDeclarativeInspectorInterface *QDeclarativeInspectorService::loadInspectorPlugin()
 {
     QStringList pluginCandidates;
     const QStringList paths = QCoreApplication::libraryPaths();
@@ -124,11 +134,11 @@ QDeclarativeObserverInterface *QDeclarativeObserverService::loadObserverPlugin()
         if (!loader.load())
             continue;
 
-        QDeclarativeObserverInterface *observer =
-                qobject_cast<QDeclarativeObserverInterface*>(loader.instance());
+        QDeclarativeInspectorInterface *inspector =
+                qobject_cast<QDeclarativeInspectorInterface*>(loader.instance());
 
-        if (observer)
-            return observer;
+        if (inspector)
+            return inspector;
         loader.unload();
     }
     return 0;
diff --git a/src/declarative/debugger/qdeclarativeobserverservice_p.h b/src/declarative/debugger/qdeclarativeinspectorservice_p.h
index c883d4b..9a14155 100644
--- a/src/declarative/debugger/qdeclarativeobserverservice_p.h
+++ b/src/declarative/debugger/qdeclarativeinspectorservice_p.h
@@ -54,15 +54,15 @@ QT_BEGIN_NAMESPACE
 QT_MODULE(Declarative)
 
 class QDeclarativeView;
-class QDeclarativeObserverInterface;
+class QDeclarativeInspectorInterface;
 
-class Q_DECLARATIVE_EXPORT QDeclarativeObserverService : public QDeclarativeDebugService
+class Q_DECLARATIVE_EXPORT QDeclarativeInspectorService : public QDeclarativeDebugService
 {
     Q_OBJECT
 
 public:
-    QDeclarativeObserverService();
-    static QDeclarativeObserverService *instance();
+    QDeclarativeInspectorService();
+    static QDeclarativeInspectorService *instance();
 
     void addView(QDeclarativeView *);
     void removeView(QDeclarativeView *);
@@ -78,10 +78,12 @@ protected:
     virtual void messageReceived(const QByteArray &);
 
 private:
-    static QDeclarativeObserverInterface *loadObserverPlugin();
+    void updateStatus();
+
+    static QDeclarativeInspectorInterface *loadInspectorPlugin();
 
     QList<QDeclarativeView*> m_views;
-    QDeclarativeObserverInterface *m_observer;
+    QDeclarativeInspectorInterface *m_inspectorPlugin;
 };
 
 QT_END_NAMESPACE
diff --git a/src/declarative/debugger/qjsdebuggeragent.cpp b/src/declarative/debugger/qjsdebuggeragent.cpp
index 9b76592..dff637b 100644
--- a/src/declarative/debugger/qjsdebuggeragent.cpp
+++ b/src/declarative/debugger/qjsdebuggeragent.cpp
@@ -56,7 +56,7 @@ class QJSDebuggerAgentPrivate
 {
 public:
     QJSDebuggerAgentPrivate(QJSDebuggerAgent *q)
-        : q(q), state(NoState)
+        : q(q), state(NoState), isInitialized(false)
     {}
 
     void continueExec();
@@ -79,6 +79,7 @@ public:
     QHash<QString, JSAgentBreakpointData> fileNameToBreakpoints;
     QStringList watchExpressions;
     QSet<qint64> knownObjectIds;
+    bool isInitialized;
 };
 
 namespace {
@@ -252,6 +253,14 @@ QJSDebuggerAgent::~QJSDebuggerAgent()
     delete d;
 }
 
+/*!
+  Indicates whether the agent got the list of breakpoints.
+  */
+bool QJSDebuggerAgent::isInitialized() const
+{
+    return d->isInitialized;
+}
+
 void QJSDebuggerAgent::setBreakpoints(const JSAgentBreakpoints &breakpoints)
 {
     d->breakpoints = breakpoints;
@@ -259,6 +268,8 @@ void QJSDebuggerAgent::setBreakpoints(const JSAgentBreakpoints &breakpoints)
     d->fileNameToBreakpoints.clear();
     foreach (const JSAgentBreakpointData &bp, breakpoints)
         d->fileNameToBreakpoints.insertMulti(fileName(QString::fromUtf8(bp.fileUrl)), bp);
+
+    d->isInitialized = true;
 }
 
 void QJSDebuggerAgent::setWatchExpressions(const QStringList &watchExpressions)
diff --git a/src/declarative/debugger/qjsdebuggeragent_p.h b/src/declarative/debugger/qjsdebuggeragent_p.h
index 5aa3c9c..4b27fc8 100644
--- a/src/declarative/debugger/qjsdebuggeragent_p.h
+++ b/src/declarative/debugger/qjsdebuggeragent_p.h
@@ -94,6 +94,12 @@ inline QDataStream &operator<<(QDataStream &s, const JSAgentWatchData &data)
              << data.type << data.hasChildren << data.objectId;
 }
 
+inline QDataStream &operator>>(QDataStream &s, JSAgentWatchData &data)
+{
+    return s >> data.exp >> data.name >> data.value
+             >> data.type >> data.hasChildren >> data.objectId;
+}
+
 struct JSAgentStackData
 {
     QByteArray functionName;
@@ -106,6 +112,11 @@ inline QDataStream &operator<<(QDataStream &s, const JSAgentStackData &data)
     return s << data.functionName << data.fileUrl << data.lineNumber;
 }
 
+inline QDataStream &operator>>(QDataStream &s, JSAgentStackData &data)
+{
+    return s >> data.functionName >> data.fileUrl >> data.lineNumber;
+}
+
 struct JSAgentBreakpointData
 {
     QByteArray functionName;
@@ -145,6 +156,8 @@ public:
     QJSDebuggerAgent(QDeclarativeEngine *engine, QObject *parent = 0);
     ~QJSDebuggerAgent();
 
+    bool isInitialized() const;
+
     void setBreakpoints(const JSAgentBreakpoints &);
     void setWatchExpressions(const QStringList &);
 
diff --git a/src/declarative/debugger/qjsdebugservice.cpp b/src/declarative/debugger/qjsdebugservice.cpp
index 4ce2c90..ad84f65 100644
--- a/src/declarative/debugger/qjsdebugservice.cpp
+++ b/src/declarative/debugger/qjsdebugservice.cpp
@@ -71,6 +71,16 @@ void QJSDebugService::addEngine(QDeclarativeEngine *engine)
     Q_ASSERT(!m_engines.contains(engine));
 
     m_engines.append(engine);
+
+    if (status() == Enabled && !m_engines.isEmpty() && !m_agent) {
+        m_agent = new QJSDebuggerAgent(engine, engine);
+        connect(m_agent, SIGNAL(stopped(bool,QString)),
+                this, SLOT(executionStopped(bool,QString)));
+
+        while (!m_agent->isInitialized()) {
+            waitForMessage();
+        }
+    }
 }
 
 void QJSDebugService::removeEngine(QDeclarativeEngine *engine)
diff --git a/src/declarative/debugger/qpacketprotocol.cpp b/src/declarative/debugger/qpacketprotocol.cpp
index c24df61..f53d2a3 100644
--- a/src/declarative/debugger/qpacketprotocol.cpp
+++ b/src/declarative/debugger/qpacketprotocol.cpp
@@ -164,47 +164,52 @@ public Q_SLOTS:
 
     void readyToRead()
     {
-        if(-1 == inProgressSize) {
-            // We need a size header of sizeof(qint32)
-            if(sizeof(qint32) > (uint)dev->bytesAvailable())
-                return;
-
-            // Read size header
-            int read = dev->read((char *)&inProgressSize, sizeof(qint32));
-            Q_ASSERT(read == sizeof(qint32));
-            Q_UNUSED(read);
-
-            // Check sizing constraints
-            if(inProgressSize > maxPacketSize) {
-                QObject::disconnect(dev, SIGNAL(readyRead()),
-                                    this, SLOT(readyToRead()));
-                QObject::disconnect(dev, SIGNAL(aboutToClose()),
-                                    this, SLOT(aboutToClose()));
-                QObject::disconnect(dev, SIGNAL(bytesWritten(qint64)),
-                                    this, SLOT(bytesWritten(qint64)));
-                dev = 0;
-                emit invalidPacket();
-                return;
-            }
-
-            inProgressSize -= sizeof(qint32);
-
-            // Need to get trailing data
-            readyToRead();
-        } else {
-            inProgress.append(dev->read(inProgressSize - inProgress.size()));
-
-            if(inProgressSize == inProgress.size()) {
-                // Packet has arrived!
-                packets.append(inProgress);
-                inProgressSize = -1;
-                inProgress.clear();
-
-                emit readyRead();
-                waitingForPacket = false;
-
-                // Need to get trailing data
-                readyToRead();
+        bool gotPackets = false;
+        while (true) {
+            // Get size header (if not in progress)
+            if (-1 == inProgressSize) {
+                // We need a size header of sizeof(qint32)
+                if (sizeof(qint32) > (uint)dev->bytesAvailable()) {
+                    if (gotPackets)
+                        emit readyRead();
+                    return; // no more data available
+                }
+
+                // Read size header
+                int read = dev->read((char *)&inProgressSize, sizeof(qint32));
+                Q_ASSERT(read == sizeof(qint32));
+                Q_UNUSED(read);
+
+                // Check sizing constraints
+                if (inProgressSize > maxPacketSize) {
+                    QObject::disconnect(dev, SIGNAL(readyRead()),
+                                        this, SLOT(readyToRead()));
+                    QObject::disconnect(dev, SIGNAL(aboutToClose()),
+                                        this, SLOT(aboutToClose()));
+                    QObject::disconnect(dev, SIGNAL(bytesWritten(qint64)),
+                                        this, SLOT(bytesWritten(qint64)));
+                    dev = 0;
+                    emit invalidPacket();
+                    return;
+                }
+
+                inProgressSize -= sizeof(qint32);
+            } else {
+                inProgress.append(dev->read(inProgressSize - inProgress.size()));
+
+                if (inProgressSize == inProgress.size()) {
+                    // Packet has arrived!
+                    packets.append(inProgress);
+                    inProgressSize = -1;
+                    inProgress.clear();
+
+                    waitingForPacket = false;
+                    gotPackets = true;
+                } else {
+                    if (gotPackets)
+                        emit readyRead();
+                    return; // packet in progress is not yet complete
+                }
             }
         }
     }
diff --git a/src/declarative/declarative.pro b/src/declarative/declarative.pro
index b74b18c..055e4b9 100644
--- a/src/declarative/declarative.pro
+++ b/src/declarative/declarative.pro
@@ -26,7 +26,7 @@ include(debugger/debugger.pri)
 
 symbian: {
     TARGET.UID3=0x2001E623
-    LIBS += -lefsrv
+    LIBS += -lefsrv -lhal
 
     contains(QT_CONFIG, freetype) {
         DEFINES += QT_NO_FONTCONFIG
diff --git a/src/declarative/graphicsitems/qdeclarativeanchors_p.h b/src/declarative/graphicsitems/qdeclarativeanchors_p.h
index d222ef5..cffcd54 100644
--- a/src/declarative/graphicsitems/qdeclarativeanchors_p.h
+++ b/src/declarative/graphicsitems/qdeclarativeanchors_p.h
@@ -79,7 +79,6 @@ class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeAnchors : public QObject
     Q_PROPERTY(qreal baselineOffset READ baselineOffset WRITE setBaselineOffset NOTIFY baselineOffsetChanged)
     Q_PROPERTY(QGraphicsObject *fill READ fill WRITE setFill RESET resetFill NOTIFY fillChanged)
     Q_PROPERTY(QGraphicsObject *centerIn READ centerIn WRITE setCenterIn RESET resetCenterIn NOTIFY centerInChanged)
-    Q_PROPERTY(bool mirrored READ mirrored NOTIFY mirroredChanged REVISION 1)
 
 public:
     QDeclarativeAnchors(QObject *parent=0);
@@ -184,7 +183,6 @@ Q_SIGNALS:
     void verticalCenterOffsetChanged();
     void horizontalCenterOffsetChanged();
     void baselineOffsetChanged();
-    Q_REVISION(1) void mirroredChanged();
 
 private:
     friend class QDeclarativeItem;
diff --git a/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp b/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp
index b7fcbb5..8787a5e 100644
--- a/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp
@@ -87,6 +87,32 @@ QT_BEGIN_NAMESPACE
 */
 
 /*!
+    \qmlproperty url AnimatedImage::source
+
+    This property holds the URL that refers to the source image.
+
+    AnimatedImage can handle any image format supported by Qt, loaded from any
+    URL scheme supported by Qt.
+
+    \sa QDeclarativeImageProvider
+*/
+
+/*!
+    \qmlproperty bool AnimatedImage::asynchronous
+
+    Specifies that images on the local filesystem should be loaded
+    asynchronously in a separate thread.  The default value is
+    false, causing the user interface thread to block while the
+    image is loaded.  Setting \a asynchronous to true is useful where
+    maintaining a responsive user interface is more desirable
+    than having images immediately visible.
+
+    Note that this property is only valid for images read from the
+    local filesystem.  Images loaded via a network resource (e.g. HTTP)
+    are always loaded asynchonously.
+*/
+
+/*!
     \qmlproperty bool AnimatedImage::cache
     \since Quick 1.1
 
diff --git a/src/declarative/graphicsitems/qdeclarativeborderimage.cpp b/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
index 836ad49..9c274e9 100644
--- a/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
@@ -240,22 +240,20 @@ QDeclarativeBorderImage::~QDeclarativeBorderImage()
     BorderImage can handle any image format supported by Qt, loaded from any
     URL scheme supported by Qt.
 
-    It can also handle .sci files, which are a QML-specific format. A .sci
-    file uses a simple text-based format that specifies the borders, the
-    image file and the tile rules.
+    This property can also be used to refer to .sci files, which are
+    written in a QML-specific, text-based format that specifies the
+    borders, the image file and the tile rules for a given border image.
 
     The following .sci file sets the borders to 10 on each side for the
     image \c picture.png:
 
-    \qml
-    BorderImage {
-        border.left: 10
-        border.top: 10
-        border.bottom: 10
-        border.right: 10
-        source: "picture.png"
-    }
-    \endqml
+    \code
+    border.left: 10
+    border.top: 10
+    border.bottom: 10
+    border.right: 10
+    source: "picture.png"
+    \endcode
 
     The URL may be absolute, or relative to the URL of the component.
 
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
index ce7566b..13bb8ef 100644
--- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
@@ -232,8 +232,8 @@ void QDeclarativeFlickablePrivate::AxisData::addVelocitySample(qreal v, qreal ma
 
 void QDeclarativeFlickablePrivate::AxisData::updateVelocity()
 {
+    velocity = 0;
     if (velocityBuffer.count() > QML_FLICK_DISCARDSAMPLES) {
-        velocity = 0;
         int count = velocityBuffer.count()-QML_FLICK_DISCARDSAMPLES;
         for (int i = 0; i < count; ++i) {
             qreal v = velocityBuffer.at(i);
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp
index 34925f1..a0264f7 100644
--- a/src/declarative/graphicsitems/qdeclarativegridview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp
@@ -206,7 +206,6 @@ public:
     void mirrorChange() {
         Q_Q(QDeclarativeGridView);
         regenerate();
-        emit q->effectiveLayoutDirectionChanged();
     }
 
     qreal position() const {
@@ -818,7 +817,9 @@ void QDeclarativeGridViewPrivate::createHighlight()
     if (highlight) {
         if (trackedItem == highlight)
             trackedItem = 0;
-        delete highlight->item;
+        if (highlight->item->scene())
+            highlight->item->scene()->removeItem(highlight->item);
+        highlight->item->deleteLater();
         delete highlight;
         highlight = 0;
         delete highlightXAnimator;
@@ -1799,12 +1800,15 @@ void QDeclarativeGridView::setHighlightRangeMode(HighlightRangeMode mode)
   \o Qt.LeftToRight (default) - Items will be laid out starting in the top, left corner. The flow is
   dependent on the \l GridView::flow property.
   \o Qt.RightToLeft - Items will be laid out starting in the top, right corner. The flow is dependent
-  on the \l GridView:flow property.
+  on the \l GridView::flow property.
   \endlist
 
-  \bold Note: If GridView::flow is set to GridView.LeftToRight, this is not to be confused if
-  GridView::layoutDirection is set to Qt.RightToLeft. The GridView.LeftToRight flow value simply
-  indicates that the flow is horizontal.
+  When using the attached property \l {LayoutMirroring::enabled} for locale layouts,
+  the layout direction of the grid view will be mirrored. However, the actual property
+  \c layoutDirection will remain unchanged. You can use the property
+  \l {LayoutMirroring::enabled} to determine whether the direction has been mirrored.
+
+  \sa {LayoutMirroring}{LayoutMirroring}
 */
 
 Qt::LayoutDirection QDeclarativeGridView::layoutDirection() const
@@ -1820,21 +1824,9 @@ void QDeclarativeGridView::setLayoutDirection(Qt::LayoutDirection layoutDirectio
         d->layoutDirection = layoutDirection;
         d->regenerate();
         emit layoutDirectionChanged();
-        emit effectiveLayoutDirectionChanged();
     }
 }
 
-/*!
-    \qmlproperty enumeration GridView::effectiveLayoutDirection
-    This property holds the effective layout direction of the grid.
-
-    When using the attached property \l {LayoutMirroring::enabled}{LayoutMirroring::enabled} for locale layouts,
-    the visual layout direction of the grid will be mirrored. However, the
-    property \l {GridView::layoutDirection}{layoutDirection} will remain unchanged.
-
-    \sa GridView::layoutDirection, {LayoutMirroring}{LayoutMirroring}
-*/
-
 Qt::LayoutDirection QDeclarativeGridView::effectiveLayoutDirection() const
 {
     Q_D(const QDeclarativeGridView);
diff --git a/src/declarative/graphicsitems/qdeclarativegridview_p.h b/src/declarative/graphicsitems/qdeclarativegridview_p.h
index d2dff48..078d033 100644
--- a/src/declarative/graphicsitems/qdeclarativegridview_p.h
+++ b/src/declarative/graphicsitems/qdeclarativegridview_p.h
@@ -75,7 +75,6 @@ class Q_AUTOTEST_EXPORT QDeclarativeGridView : public QDeclarativeFlickable
 
     Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
     Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
-    Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1)
     Q_PROPERTY(bool keyNavigationWraps READ isWrapEnabled WRITE setWrapEnabled NOTIFY keyNavigationWrapsChanged)
     Q_PROPERTY(int cacheBuffer READ cacheBuffer WRITE setCacheBuffer NOTIFY cacheBufferChanged)
     Q_PROPERTY(int cellWidth READ cellWidth WRITE setCellWidth NOTIFY cellWidthChanged)
@@ -194,7 +193,6 @@ Q_SIGNALS:
     void delegateChanged();
     void flowChanged();
     Q_REVISION(1) void layoutDirectionChanged();
-    Q_REVISION(1) void effectiveLayoutDirectionChanged();
     void keyNavigationWrapsChanged();
     void cacheBufferChanged();
     void snapModeChanged();
diff --git a/src/declarative/graphicsitems/qdeclarativeitem.cpp b/src/declarative/graphicsitems/qdeclarativeitem.cpp
index 91b430d..805ca4d 100644
--- a/src/declarative/graphicsitems/qdeclarativeitem.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeitem.cpp
@@ -898,7 +898,6 @@ void QDeclarativeItemPrivate::setLayoutMirror(bool mirror)
             _anchors->d_func()->fillChanged();
             _anchors->d_func()->centerInChanged();
             _anchors->d_func()->updateHorizontalAnchors();
-            emit _anchors->mirroredChanged();
         }
         mirrorChange();
         if (attachedLayoutDirection) {
@@ -2605,6 +2604,17 @@ void QDeclarativeItem::setKeepMouseGrab(bool keep)
     If \a item is a \c null value, this maps the point from the coordinate
     system of the root QML view.
 */
+
+/*!
+    Maps the point (\a x, \a y), which is in \a item's coordinate system, to
+    this item's coordinate system, and returns a script value with \c x and \c y
+    properties matching the mapped cooordinate.
+
+    If \a item is a \c null value, this maps the point from the coordinate
+    system of the root QML view.
+
+    \sa Item::mapFromItem()
+*/
 QScriptValue QDeclarativeItem::mapFromItem(const QScriptValue &item, qreal x, qreal y) const
 {
     QScriptValue sv = QDeclarativeEnginePrivate::getScriptEngine(qmlEngine(this))->newObject();
@@ -2631,6 +2641,17 @@ QScriptValue QDeclarativeItem::mapFromItem(const QScriptValue &item, qreal x, qr
     If \a item is a \c null value, this maps \a x and \a y to the coordinate
     system of the root QML view.
 */
+
+/*!
+    Maps the point (\a x, \a y), which is in this item's coordinate system, to
+    \a item's coordinate system, and returns a script value with \c x and \c y
+    properties matching the mapped cooordinate.
+
+    If \a item is a \c null value, this maps \a x and \a y to the coordinate
+    system of the root QML view.
+
+    \sa Item::mapToItem()
+*/
 QScriptValue QDeclarativeItem::mapToItem(const QScriptValue &item, qreal x, qreal y) const
 {
     QScriptValue sv = QDeclarativeEnginePrivate::getScriptEngine(qmlEngine(this))->newObject();
@@ -2650,8 +2671,17 @@ QScriptValue QDeclarativeItem::mapToItem(const QScriptValue &item, qreal x, qrea
 /*!
     \qmlmethod Item::forceActiveFocus()
 
-    Force active focus on the item.
-    This method sets focus on the item and makes sure that all the focus scopes higher in the object hierarchy are also given focus.
+    Forces active focus on the item.
+
+    This method sets focus on the item and makes sure that all the focus scopes
+    higher in the object hierarchy are also given the focus.
+*/
+
+/*!
+    Forces active focus on the item.
+
+    This method sets focus on the item and makes sure that all the focus scopes
+    higher in the object hierarchy are also given the focus.
 */
 void QDeclarativeItem::forceActiveFocus()
 {
@@ -2670,7 +2700,12 @@ void QDeclarativeItem::forceActiveFocus()
 
   Returns the visible child item at point (\a x, \a y), which is in this
   item's coordinate system, or \c null if there is no such item.
-  */
+*/
+
+/*!
+  Returns the visible child item at point (\a x, \a y), which is in this
+  item's coordinate system, or 0 if there is no such item.
+*/
 QDeclarativeItem *QDeclarativeItem::childAt(qreal x, qreal y) const
 {
     const QList<QGraphicsItem *> children = childItems();
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp
index b52b6fc..7a5e433 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp
@@ -298,7 +298,6 @@ public:
     void mirrorChange() {
         Q_Q(QDeclarativeListView);
         regenerate();
-        emit q->effectiveLayoutDirectionChanged();
     }
 
     bool isRightToLeft() const {
@@ -943,7 +942,9 @@ void QDeclarativeListViewPrivate::createHighlight()
     if (highlight) {
         if (trackedItem == highlight)
             trackedItem = 0;
-        delete highlight->item;
+        if (highlight->item->scene())
+            highlight->item->scene()->removeItem(highlight->item);
+        highlight->item->deleteLater();
         delete highlight;
         highlight = 0;
         delete highlightPosAnimator;
@@ -2169,7 +2170,12 @@ void QDeclarativeListView::setOrientation(QDeclarativeListView::Orientation orie
   \o Qt.RightToLeft - Items will be laid out from right to let.
   \endlist
 
-  \sa ListView::effectiveLayoutDirection
+  When using the attached property \l {LayoutMirroring::enabled} for locale layouts,
+  the layout direction of the horizontal list will be mirrored. However, the actual property
+  \c layoutDirection will remain unchanged. You can use the property
+  \l {LayoutMirroring::enabled} to determine whether the direction has been mirrored.
+
+  \sa {LayoutMirroring}{LayoutMirroring}
 */
 
 Qt::LayoutDirection QDeclarativeListView::layoutDirection() const
@@ -2185,21 +2191,9 @@ void QDeclarativeListView::setLayoutDirection(Qt::LayoutDirection layoutDirectio
         d->layoutDirection = layoutDirection;
         d->regenerate();
         emit layoutDirectionChanged();
-        emit effectiveLayoutDirectionChanged();
     }
 }
 
-/*!
-    \qmlproperty enumeration ListView::effectiveLayoutDirection
-    This property holds the effective layout direction of the horizontal list.
-
-    When using the attached property \l {LayoutMirroring::enabled}{LayoutMirroring::enabled} for locale layouts,
-    the visual layout direction of the horizontal list will be mirrored. However, the
-    property \l {ListView::layoutDirection}{layoutDirection} will remain unchanged.
-
-    \sa ListView::layoutDirection, {LayoutMirroring}{LayoutMirroring}
-*/
-
 Qt::LayoutDirection QDeclarativeListView::effectiveLayoutDirection() const
 {
     Q_D(const QDeclarativeListView);
diff --git a/src/declarative/graphicsitems/qdeclarativelistview_p.h b/src/declarative/graphicsitems/qdeclarativelistview_p.h
index 2cd6ba7..00f9bee 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview_p.h
+++ b/src/declarative/graphicsitems/qdeclarativelistview_p.h
@@ -114,7 +114,6 @@ class Q_AUTOTEST_EXPORT QDeclarativeListView : public QDeclarativeFlickable
     Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
     Q_PROPERTY(Orientation orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
     Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
-    Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1)
     Q_PROPERTY(bool keyNavigationWraps READ isWrapEnabled WRITE setWrapEnabled NOTIFY keyNavigationWrapsChanged)
     Q_PROPERTY(int cacheBuffer READ cacheBuffer WRITE setCacheBuffer NOTIFY cacheBufferChanged)
     Q_PROPERTY(QDeclarativeViewSection *section READ sectionCriteria CONSTANT)
@@ -229,7 +228,6 @@ Q_SIGNALS:
     void spacingChanged();
     void orientationChanged();
     Q_REVISION(1) void layoutDirectionChanged();
-    Q_REVISION(1) void effectiveLayoutDirectionChanged();
     void currentIndexChanged();
     void currentSectionChanged();
     void highlightMoveSpeedChanged();
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea.cpp b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
index 20ca0f6..18f008a 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea.cpp
+++ b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
@@ -496,9 +496,6 @@ void QDeclarativeMouseArea::mousePressEvent(QGraphicsSceneMouseEvent *event)
             d->pressAndHoldTimer.start(PressAndHoldDelay, this);
         setKeepMouseGrab(d->stealMouse);
         event->setAccepted(setPressed(true));
-
-        if(!event->isAccepted() && d->forwardToList.count())
-           d->forwardEvent(event);
     }
 }
 
@@ -576,9 +573,6 @@ void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
     me.setX(d->lastPos.x());
     me.setY(d->lastPos.y());
     emit positionChanged(&me);
-
-    if(!event->isAccepted() && d->forwardToList.count())
-        d->forwardEvent(event);
 }
 
 
@@ -600,9 +594,6 @@ void QDeclarativeMouseArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
         if (s && s->mouseGrabberItem() == this)
             ungrabMouse();
         setKeepMouseGrab(false);
-
-        if(!event->isAccepted() && d->forwardToList.count())
-            d->forwardEvent(event);
     }
     d->doubleClick = false;
 }
@@ -994,11 +985,4 @@ QDeclarativeDrag *QDeclarativeMouseArea::drag()
 
 */
 
-QDeclarativeListProperty<QGraphicsObject> QDeclarativeMouseArea::forwardTo()
-{
-    Q_D(QDeclarativeMouseArea);
-    return d->forwardTo;
-}
-
-
 QT_END_NAMESPACE
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea_p.h b/src/declarative/graphicsitems/qdeclarativemousearea_p.h
index 8fd453f..f6f970b 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea_p.h
+++ b/src/declarative/graphicsitems/qdeclarativemousearea_p.h
@@ -130,7 +130,6 @@ class Q_AUTOTEST_EXPORT QDeclarativeMouseArea : public QDeclarativeItem
     Q_PROPERTY(bool hoverEnabled READ hoverEnabled WRITE setHoverEnabled NOTIFY hoverEnabledChanged)
     Q_PROPERTY(QDeclarativeDrag *drag READ drag CONSTANT) //### add flicking to QDeclarativeDrag or add a QDeclarativeFlick ???
     Q_PROPERTY(bool preventStealing READ preventStealing WRITE setPreventStealing NOTIFY preventStealingChanged REVISION 1)
-    Q_PROPERTY(QDeclarativeListProperty<QGraphicsObject> forwardTo READ forwardTo);
 
 public:
     QDeclarativeMouseArea(QDeclarativeItem *parent=0);
@@ -158,8 +157,6 @@ public:
     bool preventStealing() const;
     void setPreventStealing(bool prevent);
 
-    QDeclarativeListProperty<QGraphicsObject> forwardTo();
-
 Q_SIGNALS:
     void hoveredChanged();
     void pressedChanged();
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea_p_p.h b/src/declarative/graphicsitems/qdeclarativemousearea_p_p.h
index 6626c56..f6ea00d 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea_p_p.h
+++ b/src/declarative/graphicsitems/qdeclarativemousearea_p_p.h
@@ -70,8 +70,6 @@ public:
       : absorb(true), hovered(false), pressed(false), longPress(false),
       moved(false), stealMouse(false), doubleClick(false), preventStealing(false), drag(0)
     {
-        Q_Q(QDeclarativeMouseArea);
-        forwardTo = QDeclarativeListProperty<QGraphicsObject>(q, forwardToList);
     }
 
     ~QDeclarativeMouseAreaPrivate();
@@ -91,18 +89,6 @@ public:
         lastModifiers = event->modifiers();
     }
 
-    void forwardEvent(QGraphicsSceneMouseEvent* event)
-    {
-        Q_Q(QDeclarativeMouseArea);
-        for(int i=0; i < forwardToList.count(); i++){
-            event->setPos(forwardToList[i]->mapFromScene(event->scenePos()));
-            forwardToList[i]->scene()->sendEvent(forwardToList[i], event);
-            if(event->isAccepted())
-                break;
-        }
-        event->setPos(q->mapFromScene(event->scenePos()));
-    }
-
     bool isPressAndHoldConnected() {
         Q_Q(QDeclarativeMouseArea);
         static int idx = QObjectPrivate::get(q)->signalIndex("pressAndHold(QDeclarativeMouseEvent*)");
@@ -135,9 +121,6 @@ public:
     Qt::MouseButtons lastButtons;
     Qt::KeyboardModifiers lastModifiers;
     QBasicTimer pressAndHoldTimer;
-
-    QDeclarativeListProperty<QGraphicsObject> forwardTo;
-    QList<QGraphicsObject*> forwardToList;
 };
 
 QT_END_NAMESPACE
diff --git a/src/declarative/graphicsitems/qdeclarativepathview.cpp b/src/declarative/graphicsitems/qdeclarativepathview.cpp
index 79e52cd..94f128d 100644
--- a/src/declarative/graphicsitems/qdeclarativepathview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativepathview.cpp
@@ -203,7 +203,9 @@ void QDeclarativePathViewPrivate::createHighlight()
 
     bool changed = false;
     if (highlightItem) {
-        delete highlightItem;
+        if (highlightItem->scene())
+            highlightItem->scene()->removeItem(highlightItem);
+        highlightItem->deleteLater();
         highlightItem = 0;
         changed = true;
     }
diff --git a/src/declarative/graphicsitems/qdeclarativepositioners.cpp b/src/declarative/graphicsitems/qdeclarativepositioners.cpp
index 3f4d6de..f3d1a68 100644
--- a/src/declarative/graphicsitems/qdeclarativepositioners.cpp
+++ b/src/declarative/graphicsitems/qdeclarativepositioners.cpp
@@ -597,7 +597,12 @@ QDeclarativeRow::QDeclarativeRow(QDeclarativeItem *parent)
     the right anchor remains to the right of the row.
     \endlist
 
-    \sa Grid::layoutDirection, Flow::layoutDirection, {declarative/righttoleft/layoutdirection}{Layout directions example}
+    When using the attached property \l {LayoutMirroring::enabled} for locale layouts,
+    the visual layout direction of the row positioner will be mirrored. However, the
+    property \c layoutDirection will remain unchanged. You can use the property
+    \l {LayoutMirroring::enabled} to determine whether the direction has been mirrored.
+
+    \sa Grid::layoutDirection, Flow::layoutDirection, {declarative/righttoleft/layoutdirection}{Layout directions example}, {LayoutMirroring}{LayoutMirroring}
 */
 Qt::LayoutDirection QDeclarativeRow::layoutDirection() const
 {
@@ -616,21 +621,9 @@ void QDeclarativeRow::setLayoutDirection(Qt::LayoutDirection layoutDirection)
             d->removeItemChangeListener(d, QDeclarativeItemPrivate::Geometry);
         prePositioning();
         emit layoutDirectionChanged();
-        emit effectiveLayoutDirectionChanged();
     }
 }
 
-/*!
-    \qmlproperty enumeration Row::effectiveLayoutDirection
-    This property holds the effective layout direction of the row positioner.
-
-    When using the attached property \l {LayoutMirroring::enabled}{LayoutMirroring::enabled} for locale layouts,
-    the visual layout direction of the row positioner will be mirrored. However, the
-    property \l {Row::layoutDirection}{layoutDirection} will remain unchanged.
-
-    \sa Row::layoutDirection, {LayoutMirroring}{LayoutMirroring}
-*/
-
 Qt::LayoutDirection QDeclarativeRow::effectiveLayoutDirection() const
 {
     return QDeclarativeBasePositionerPrivate::getEffectiveLayoutDirection(this);
@@ -900,7 +893,12 @@ void QDeclarativeGrid::setFlow(Flow flow)
     \l Grid::flow property.
     \endlist
 
-    \sa Flow::layoutDirection, Row::layoutDirection, {declarative/righttoleft/layoutdirection}{Layout directions example}
+    When using the attached property \l {LayoutMirroring::enabled} for locale layouts,
+    the visual layout direction of the grid positioner will be mirrored. However, the
+    property \c layoutDirection will remain unchanged. You can use the property
+    \l {LayoutMirroring::enabled} to determine whether the direction has been mirrored.
+
+    \sa Flow::layoutDirection, Row::layoutDirection, {declarative/righttoleft/layoutdirection}{Layout directions example}, {LayoutMirroring}{LayoutMirroring}
 */
 Qt::LayoutDirection QDeclarativeGrid::layoutDirection() const
 {
@@ -918,22 +916,10 @@ void QDeclarativeGrid::setLayoutDirection(Qt::LayoutDirection layoutDirection)
         else
             d->removeItemChangeListener(d, QDeclarativeItemPrivate::Geometry);
         prePositioning();
-        emit layoutDirectionChanged();
-        emit effectiveLayoutDirectionChanged();
+        emit layoutDirectionChanged();;
     }
 }
 
-/*!
-    \qmlproperty enumeration Grid::effectiveLayoutDirection
-    This property holds the effective layout direction of the grid positioner.
-
-    When using the attached property \l {LayoutMirroring::enabled}{LayoutMirroring::enabled} for locale layouts,
-    the visual layout direction of the grid positioner will be mirrored. However, the
-    property \l {Grid::layoutDirection}{layoutDirection} will remain unchanged.
-
-    \sa Grid::layoutDirection, {LayoutMirroring}{LayoutMirroring}
-*/
-
 Qt::LayoutDirection QDeclarativeGrid::effectiveLayoutDirection() const
 {
     return QDeclarativeBasePositionerPrivate::getEffectiveLayoutDirection(this);
@@ -1265,7 +1251,12 @@ void QDeclarativeFlow::setFlow(Flow flow)
     \l Flow::flow property.
     \endlist
 
-    \sa Grid::layoutDirection, Row::layoutDirection, {declarative/righttoleft/layoutdirection}{Layout directions example}
+    When using the attached property \l {LayoutMirroring::enabled} for locale layouts,
+    the visual layout direction of the flow positioner will be mirrored. However, the
+    property \c layoutDirection will remain unchanged. You can use the property
+    \l {LayoutMirroring::enabled} to determine whether the direction has been mirrored.
+
+    \sa Grid::layoutDirection, Row::layoutDirection, {declarative/righttoleft/layoutdirection}{Layout directions example}, {LayoutMirroring}{LayoutMirroring}
 */
 
 Qt::LayoutDirection QDeclarativeFlow::layoutDirection() const
@@ -1281,21 +1272,9 @@ void QDeclarativeFlow::setLayoutDirection(Qt::LayoutDirection layoutDirection)
         d->layoutDirection = layoutDirection;
         prePositioning();
         emit layoutDirectionChanged();
-        emit effectiveLayoutDirectionChanged();
     }
 }
 
-/*!
-    \qmlproperty enumeration Flow::effectiveLayoutDirection
-    This property holds the effective layout direction of the flow positioner.
-
-    When using the attached property \l {LayoutMirroring::enabled}{LayoutMirroring::enabled} for locale layouts,
-    the visual layout direction of the grid positioner will be mirrored. However, the
-    property \l {Flow::layoutDirection}{layoutDirection} will remain unchanged.
-
-    \sa Flow::layoutDirection, {LayoutMirroring}{LayoutMirroring}
-*/
-
 Qt::LayoutDirection QDeclarativeFlow::effectiveLayoutDirection() const
 {
     return QDeclarativeBasePositionerPrivate::getEffectiveLayoutDirection(this);
diff --git a/src/declarative/graphicsitems/qdeclarativepositioners_p.h b/src/declarative/graphicsitems/qdeclarativepositioners_p.h
index 3d62a88..1e6c118 100644
--- a/src/declarative/graphicsitems/qdeclarativepositioners_p.h
+++ b/src/declarative/graphicsitems/qdeclarativepositioners_p.h
@@ -130,7 +130,6 @@ class Q_AUTOTEST_EXPORT QDeclarativeRow: public QDeclarativeBasePositioner
 {
     Q_OBJECT
     Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
-    Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1)
 public:
     QDeclarativeRow(QDeclarativeItem *parent=0);
 
@@ -140,7 +139,6 @@ public:
 
 Q_SIGNALS:
     Q_REVISION(1) void layoutDirectionChanged();
-    Q_REVISION(1) void effectiveLayoutDirectionChanged();
 
 protected:
     virtual void doPositioning(QSizeF *contentSize);
@@ -156,7 +154,6 @@ class Q_AUTOTEST_EXPORT QDeclarativeGrid : public QDeclarativeBasePositioner
     Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged)
     Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
     Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
-    Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1)
 public:
     QDeclarativeGrid(QDeclarativeItem *parent=0);
 
@@ -180,7 +177,6 @@ Q_SIGNALS:
     void columnsChanged();
     void flowChanged();
     Q_REVISION(1) void layoutDirectionChanged();
-    Q_REVISION(1) void effectiveLayoutDirectionChanged();
 
 protected:
     virtual void doPositioning(QSizeF *contentSize);
@@ -199,7 +195,6 @@ class Q_AUTOTEST_EXPORT QDeclarativeFlow: public QDeclarativeBasePositioner
     Q_OBJECT
     Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
     Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1)
-    Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1)
 public:
     QDeclarativeFlow(QDeclarativeItem *parent=0);
 
@@ -214,7 +209,6 @@ public:
 Q_SIGNALS:
     void flowChanged();
     Q_REVISION(1) void layoutDirectionChanged();
-    Q_REVISION(1) void effectiveLayoutDirectionChanged();
 
 protected:
     virtual void doPositioning(QSizeF *contentSize);
diff --git a/src/declarative/graphicsitems/qdeclarativetext.cpp b/src/declarative/graphicsitems/qdeclarativetext.cpp
index 96bd792..54ff406 100644
--- a/src/declarative/graphicsitems/qdeclarativetext.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetext.cpp
@@ -1040,7 +1040,6 @@ void QDeclarativeText::setStyleColor(const QColor &color)
 /*!
     \qmlproperty enumeration Text::horizontalAlignment
     \qmlproperty enumeration Text::verticalAlignment
-    \qmlproperty enumeration Text::effectiveHorizontalAlignment
 
     Sets the horizontal and vertical alignment of the text within the Text items
     width and height. By default, the text is vertically aligned to the top. Horizontal
@@ -1056,10 +1055,10 @@ void QDeclarativeText::setStyleColor(const QColor &color)
     need to either modify the Item::anchors, or set horizontalAlignment to Text.AlignHCenter and bind the width to 
     that of the parent.
 
-    When using the attached property LayoutMirroring::enabled to mirror application
+    When using the attached property \l {LayoutMirroring::enabled} to mirror application
     layouts, the horizontal alignment of text will also be mirrored. However, the property
     \c horizontalAlignment will remain unchanged. To query the effective horizontal alignment
-    of Text, use the read-only property \c effectiveHorizontalAlignment.
+    of Text, use the property \l {LayoutMirroring::enabled}.
 */
 QDeclarativeText::HAlignment QDeclarativeText::hAlign() const
 {
@@ -1109,10 +1108,7 @@ bool QDeclarativeTextPrivate::setHAlign(QDeclarativeText::HAlignment alignment,
     if (hAlign != alignment || forceAlign) {
         QDeclarativeText::HAlignment oldEffectiveHAlign = q->effectiveHAlign();
         hAlign = alignment;
-
         emit q->horizontalAlignmentChanged(hAlign);
-        if (oldEffectiveHAlign != q->effectiveHAlign())
-            emit q->effectiveHorizontalAlignmentChanged();
         return true;
     }
     return false;
@@ -1134,7 +1130,6 @@ void QDeclarativeTextPrivate::mirrorChange()
     if (q->isComponentComplete()) {
         if (!hAlignImplicit && (hAlign == QDeclarativeText::AlignRight || hAlign == QDeclarativeText::AlignLeft)) {
             updateLayout();
-            emit q->effectiveHorizontalAlignmentChanged();
         }
     }
 }
diff --git a/src/declarative/graphicsitems/qdeclarativetext_p.h b/src/declarative/graphicsitems/qdeclarativetext_p.h
index b711582..1004b71 100644
--- a/src/declarative/graphicsitems/qdeclarativetext_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetext_p.h
@@ -70,7 +70,6 @@ class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeText : public QDeclarativeImplici
     Q_PROPERTY(TextStyle style READ style WRITE setStyle NOTIFY styleChanged)
     Q_PROPERTY(QColor styleColor READ styleColor WRITE setStyleColor NOTIFY styleColorChanged)
     Q_PROPERTY(HAlignment horizontalAlignment READ hAlign WRITE setHAlign RESET resetHAlign NOTIFY horizontalAlignmentChanged)
-    Q_PROPERTY(HAlignment effectiveHorizontalAlignment READ effectiveHAlign NOTIFY effectiveHorizontalAlignmentChanged REVISION 1)
     Q_PROPERTY(VAlignment verticalAlignment READ vAlign WRITE setVAlign NOTIFY verticalAlignmentChanged)
     Q_PROPERTY(WrapMode wrapMode READ wrapMode WRITE setWrapMode NOTIFY wrapModeChanged)
     Q_PROPERTY(int lineCount READ lineCount NOTIFY lineCountChanged REVISION 1)
@@ -191,7 +190,6 @@ Q_SIGNALS:
     void paintedSizeChanged();
     Q_REVISION(1) void lineHeightChanged(qreal lineHeight);
     Q_REVISION(1) void lineHeightModeChanged(LineHeightMode mode);
-    Q_REVISION(1) void effectiveHorizontalAlignmentChanged();
 
 protected:
     void mousePressEvent(QGraphicsSceneMouseEvent *event);
diff --git a/src/declarative/graphicsitems/qdeclarativetextedit.cpp b/src/declarative/graphicsitems/qdeclarativetextedit.cpp
index 6806df0..20b2e76 100644
--- a/src/declarative/graphicsitems/qdeclarativetextedit.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetextedit.cpp
@@ -458,7 +458,6 @@ void QDeclarativeTextEdit::setSelectedTextColor(const QColor &color)
 /*!
     \qmlproperty enumeration TextEdit::horizontalAlignment
     \qmlproperty enumeration TextEdit::verticalAlignment
-    \qmlproperty enumeration TextEdit::effectiveHorizontalAlignment
 
     Sets the horizontal and vertical alignment of the text within the TextEdit item's
     width and height. By default, the text alignment follows the natural alignment
@@ -480,10 +479,10 @@ void QDeclarativeTextEdit::setSelectedTextColor(const QColor &color)
     \o TextEdit.AlignVCenter
     \endlist
 
-    When using the attached property LayoutMirroring::enabled to mirror application
+    When using the attached property \l {LayoutMirroring::enabled} to mirror application
     layouts, the horizontal alignment of text will also be mirrored. However, the property
     \c horizontalAlignment will remain unchanged. To query the effective horizontal alignment
-    of TextEdit, use the read-only property \c effectiveHorizontalAlignment.
+    of TextEdit, use the property \l {LayoutMirroring::enabled}.
 */
 QDeclarativeTextEdit::HAlignment QDeclarativeTextEdit::hAlign() const
 {
@@ -538,8 +537,6 @@ bool QDeclarativeTextEditPrivate::setHAlign(QDeclarativeTextEdit::HAlignment ali
         QDeclarativeTextEdit::HAlignment oldEffectiveHAlign = q->effectiveHAlign();
         hAlign = alignment;
         emit q->horizontalAlignmentChanged(alignment);
-        if (oldEffectiveHAlign != q->effectiveHAlign())
-            emit q->effectiveHorizontalAlignmentChanged();
         return true;
     }
     return false;
@@ -562,7 +559,6 @@ void QDeclarativeTextEditPrivate::mirrorChange()
         if (!hAlignImplicit && (hAlign == QDeclarativeTextEdit::AlignRight || hAlign == QDeclarativeTextEdit::AlignLeft)) {
             updateDefaultTextOption();
             q->updateSize();
-            emit q->effectiveHorizontalAlignmentChanged();
         }
     }
 }
diff --git a/src/declarative/graphicsitems/qdeclarativetextedit_p.h b/src/declarative/graphicsitems/qdeclarativetextedit_p.h
index f9a6c73..d8fc3bc 100644
--- a/src/declarative/graphicsitems/qdeclarativetextedit_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetextedit_p.h
@@ -73,7 +73,6 @@ class Q_AUTOTEST_EXPORT QDeclarativeTextEdit : public QDeclarativeImplicitSizePa
     Q_PROPERTY(QColor selectedTextColor READ selectedTextColor WRITE setSelectedTextColor NOTIFY selectedTextColorChanged)
     Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged)
     Q_PROPERTY(HAlignment horizontalAlignment READ hAlign WRITE setHAlign RESET resetHAlign NOTIFY horizontalAlignmentChanged)
-    Q_PROPERTY(HAlignment effectiveHorizontalAlignment READ effectiveHAlign NOTIFY effectiveHorizontalAlignmentChanged REVISION 1)
     Q_PROPERTY(VAlignment verticalAlignment READ vAlign WRITE setVAlign NOTIFY verticalAlignmentChanged)
     Q_PROPERTY(WrapMode wrapMode READ wrapMode WRITE setWrapMode NOTIFY wrapModeChanged)
     Q_PROPERTY(int lineCount READ lineCount NOTIFY lineCountChanged REVISION 1)
@@ -249,7 +248,6 @@ Q_SIGNALS:
     Q_REVISION(1) void linkActivated(const QString &link);
     Q_REVISION(1) void canPasteChanged();
     Q_REVISION(1) void inputMethodComposingChanged();
-    Q_REVISION(1) void effectiveHorizontalAlignmentChanged();
 
 public Q_SLOTS:
     void selectAll();
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput.cpp b/src/declarative/graphicsitems/qdeclarativetextinput.cpp
index dd5a58e..d2897eb 100644
--- a/src/declarative/graphicsitems/qdeclarativetextinput.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetextinput.cpp
@@ -236,11 +236,11 @@ void QDeclarativeTextInput::setFont(const QFont &font)
 
     if (oldFont != d->font) {
         d->control->setFont(d->font);
+        updateSize();
+        updateCursorRectangle();
         if(d->cursorItem){
             d->cursorItem->setHeight(QFontMetrics(d->font).height());
-            moveCursor();
         }
-        updateSize();
     }
     emit fontChanged(d->sourceFont);
 }
@@ -326,7 +326,6 @@ void QDeclarativeTextInput::setSelectedTextColor(const QColor &color)
 
 /*!
     \qmlproperty enumeration TextInput::horizontalAlignment
-    \qmlproperty enumeration TextInput::effectiveHorizontalAlignment
 
     Sets the horizontal alignment of the text within the TextInput item's
     width and height. By default, the text alignment follows the natural alignment
@@ -342,10 +341,10 @@ void QDeclarativeTextInput::setSelectedTextColor(const QColor &color)
     The valid values for \c horizontalAlignment are \c TextInput.AlignLeft, \c TextInput.AlignRight and
     \c TextInput.AlignHCenter.
 
-    When using the attached property LayoutMirroring::enabled to mirror application
+    When using the attached property \l {LayoutMirroring::enabled} to mirror application
     layouts, the horizontal alignment of text will also be mirrored. However, the property
     \c horizontalAlignment will remain unchanged. To query the effective horizontal alignment
-    of TextInput, use the read-only property \c effectiveHorizontalAlignment.
+    of TextInput, use the property \l {LayoutMirroring::enabled}.
 */
 QDeclarativeTextInput::HAlignment QDeclarativeTextInput::hAlign() const
 {
@@ -359,8 +358,7 @@ void QDeclarativeTextInput::setHAlign(HAlignment align)
     bool forceAlign = d->hAlignImplicit && d->effectiveLayoutMirror;
     d->hAlignImplicit = false;
     if (d->setHAlign(align, forceAlign) && isComponentComplete()) {
-        updateRect();
-        d->updateHorizontalScroll();
+        updateCursorRectangle();
     }
 }
 
@@ -369,8 +367,7 @@ void QDeclarativeTextInput::resetHAlign()
     Q_D(QDeclarativeTextInput);
     d->hAlignImplicit = true;
     if (d->determineHorizontalAlignment() && isComponentComplete()) {
-        updateRect();
-        d->updateHorizontalScroll();
+        updateCursorRectangle();
     }
 }
 
@@ -400,8 +397,6 @@ bool QDeclarativeTextInputPrivate::setHAlign(QDeclarativeTextInput::HAlignment a
         QDeclarativeTextInput::HAlignment oldEffectiveHAlign = q->effectiveHAlign();
         hAlign = alignment;
         emit q->horizontalAlignmentChanged(alignment);
-        if (oldEffectiveHAlign != q->effectiveHAlign())
-            emit q->effectiveHorizontalAlignmentChanged();
         return true;
     }
     return false;
@@ -423,9 +418,8 @@ void QDeclarativeTextInputPrivate::mirrorChange()
     Q_Q(QDeclarativeTextInput);
     if (q->isComponentComplete()) {
         if (!hAlignImplicit && (hAlign == QDeclarativeTextInput::AlignRight || hAlign == QDeclarativeTextInput::AlignLeft)) {
-            q->updateRect();
+            q->updateCursorRectangle();
             updateHorizontalScroll();
-            emit q->effectiveHorizontalAlignmentChanged();
         }
     }
 }
@@ -683,7 +677,7 @@ void QDeclarativeTextInput::setAutoScroll(bool b)
     d->autoScroll = b;
     //We need to repaint so that the scrolling is taking into account.
     updateSize(true);
-    d->updateHorizontalScroll();
+    updateCursorRectangle();
     emit autoScrollChanged(d->autoScroll);
 }
 
@@ -947,10 +941,6 @@ void QDeclarativeTextInput::setCursorDelegate(QDeclarativeComponent* c)
     d->cursorComponent = c;
     if(!c){
         //note that the components are owned by something else
-        disconnect(d->control, SIGNAL(cursorPositionChanged(int,int)),
-                this, SLOT(moveCursor()));
-        disconnect(d->control, SIGNAL(updateMicroFocus()),
-                this, SLOT(moveCursor()));
         delete d->cursorItem;
     }else{
         d->startCreatingCursor();
@@ -962,10 +952,6 @@ void QDeclarativeTextInput::setCursorDelegate(QDeclarativeComponent* c)
 void QDeclarativeTextInputPrivate::startCreatingCursor()
 {
     Q_Q(QDeclarativeTextInput);
-    q->connect(control, SIGNAL(cursorPositionChanged(int,int)),
-               q, SLOT(moveCursor()), Qt::UniqueConnection);
-    q->connect(control, SIGNAL(updateMicroFocus()),
-            q, SLOT(moveCursor()), Qt::UniqueConnection);
     if(cursorComponent->isReady()){
         q->createCursor();
     }else if(cursorComponent->isLoading()){
@@ -1001,15 +987,6 @@ void QDeclarativeTextInput::createCursor()
     d->cursorItem->setHeight(d->control->height()-1); // -1 to counter QLineControl's +1 which is not consistent with Text.
 }
 
-void QDeclarativeTextInput::moveCursor()
-{
-    Q_D(QDeclarativeTextInput);
-    if(!d->cursorItem)
-        return;
-    d->updateHorizontalScroll();
-    d->cursorItem->setX(d->control->cursorToX() - d->hscroll);
-}
-
 /*!
     \qmlmethod rect TextInput::positionToRectangle(int pos)
 
@@ -1118,8 +1095,6 @@ void QDeclarativeTextInput::inputMethodEvent(QInputMethodEvent *ev)
             ev->ignore();
         } else {
             d->control->processInputMethodEvent(ev);
-            updateSize();
-            d->updateHorizontalScroll();
         }
     }
     if (!ev->isAccepted())
@@ -1297,7 +1272,7 @@ void QDeclarativeTextInput::geometryChanged(const QRectF &newGeometry,
     Q_D(QDeclarativeTextInput);
     if (newGeometry.width() != oldGeometry.width()) {
         updateSize();
-        d->updateHorizontalScroll();
+        updateCursorRectangle();
     }
     QDeclarativePaintedItem::geometryChanged(newGeometry, oldGeometry);
 }
@@ -1643,7 +1618,6 @@ void QDeclarativeTextInput::moveCursorSelection(int position)
 {
     Q_D(QDeclarativeTextInput);
     d->control->moveCursor(position, true);
-    d->updateHorizontalScroll();
 }
 
 /*!
@@ -1901,7 +1875,7 @@ void QDeclarativeTextInputPrivate::init()
     canPaste = !control->isReadOnly() && QApplication::clipboard()->text().length() != 0;
 #endif // QT_NO_CLIPBOARD
     q->connect(control, SIGNAL(updateMicroFocus()),
-               q, SLOT(updateMicroFocus()));
+               q, SLOT(updateCursorRectangle()));
     q->connect(control, SIGNAL(displayTextChanged(QString)),
                q, SLOT(updateRect()));
     q->updateSize();
@@ -1917,9 +1891,7 @@ void QDeclarativeTextInputPrivate::init()
 void QDeclarativeTextInput::cursorPosChanged()
 {
     Q_D(QDeclarativeTextInput);
-    d->updateHorizontalScroll();
-    updateRect();//TODO: Only update rect between pos's
-    updateMicroFocus();
+    updateCursorRectangle();
     emit cursorPositionChanged();
     d->control->resetCursorBlinkTimer();
 
@@ -1935,6 +1907,17 @@ void QDeclarativeTextInput::cursorPosChanged()
     }
 }
 
+void QDeclarativeTextInput::updateCursorRectangle()
+{
+    Q_D(QDeclarativeTextInput);
+    d->updateHorizontalScroll();
+    updateRect();//TODO: Only update rect between pos's
+    updateMicroFocus();
+    emit cursorRectangleChanged();
+    if (d->cursorItem)
+        d->cursorItem->setX(d->control->cursorToX() - d->hscroll);
+}
+
 void QDeclarativeTextInput::selectionChanged()
 {
     Q_D(QDeclarativeTextInput);
@@ -1958,12 +1941,12 @@ void QDeclarativeTextInput::selectionChanged()
 void QDeclarativeTextInput::q_textChanged()
 {
     Q_D(QDeclarativeTextInput);
+    emit textChanged();
+    emit displayTextChanged();
     updateSize();
     d->determineHorizontalAlignment();
     d->updateHorizontalScroll();
     updateMicroFocus();
-    emit textChanged();
-    emit displayTextChanged();
     if(hasAcceptableInput() != d->oldValidity){
         d->oldValidity = hasAcceptableInput();
         emit acceptableInputChanged();
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput_p.h b/src/declarative/graphicsitems/qdeclarativetextinput_p.h
index aaf8859..2c2f230 100644
--- a/src/declarative/graphicsitems/qdeclarativetextinput_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetextinput_p.h
@@ -71,11 +71,10 @@ class Q_AUTOTEST_EXPORT QDeclarativeTextInput : public QDeclarativeImplicitSizeP
     Q_PROPERTY(QColor selectedTextColor READ selectedTextColor WRITE setSelectedTextColor NOTIFY selectedTextColorChanged)
     Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged)
     Q_PROPERTY(HAlignment horizontalAlignment READ hAlign WRITE setHAlign RESET resetHAlign NOTIFY horizontalAlignmentChanged)
-    Q_PROPERTY(HAlignment effectiveHorizontalAlignment READ effectiveHAlign NOTIFY effectiveHorizontalAlignmentChanged REVISION 1)
     Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly NOTIFY readOnlyChanged)
     Q_PROPERTY(bool cursorVisible READ isCursorVisible WRITE setCursorVisible NOTIFY cursorVisibleChanged)
     Q_PROPERTY(int cursorPosition READ cursorPosition WRITE setCursorPosition NOTIFY cursorPositionChanged)
-    Q_PROPERTY(QRect cursorRectangle READ cursorRectangle NOTIFY cursorPositionChanged)
+    Q_PROPERTY(QRect cursorRectangle READ cursorRectangle NOTIFY cursorRectangleChanged)
     Q_PROPERTY(QDeclarativeComponent *cursorDelegate READ cursorDelegate WRITE setCursorDelegate NOTIFY cursorDelegateChanged)
     Q_PROPERTY(int selectionStart READ selectionStart NOTIFY selectionStartChanged)
     Q_PROPERTY(int selectionEnd READ selectionEnd NOTIFY selectionEndChanged)
@@ -221,6 +220,7 @@ public:
 Q_SIGNALS:
     void textChanged();
     void cursorPositionChanged();
+    void cursorRectangleChanged();
     void selectionStartChanged();
     void selectionEndChanged();
     void selectedTextChanged();
@@ -246,7 +246,6 @@ Q_SIGNALS:
     Q_REVISION(1) void mouseSelectionModeChanged(SelectionMode mode);
     Q_REVISION(1) void canPasteChanged();
     Q_REVISION(1) void inputMethodComposingChanged();
-    Q_REVISION(1) void effectiveHorizontalAlignmentChanged();
 
 protected:
     virtual void geometryChanged(const QRectF &newGeometry,
@@ -279,8 +278,8 @@ private Q_SLOTS:
     void q_textChanged();
     void selectionChanged();
     void createCursor();
-    void moveCursor();
     void cursorPosChanged();
+    void updateCursorRectangle();
     void updateRect(const QRect &r = QRect());
     void q_canPasteChanged();
 
diff --git a/src/declarative/qml/qdeclarativebinding.cpp b/src/declarative/qml/qdeclarativebinding.cpp
index ca3bc37..689cd00 100644
--- a/src/declarative/qml/qdeclarativebinding.cpp
+++ b/src/declarative/qml/qdeclarativebinding.cpp
@@ -243,12 +243,13 @@ QDeclarativeBinding::createBinding(Identifier id, QObject *obj, QDeclarativeCont
     if (id < 0)
         return 0;
 
+    Q_ASSERT(ctxt);
     QDeclarativeContextData *ctxtdata = QDeclarativeContextData::get(ctxt);
 
-    QDeclarativeEnginePrivate *engine = QDeclarativeEnginePrivate::get(qmlEngine(obj));
+    QDeclarativeEnginePrivate *engine = QDeclarativeEnginePrivate::get(ctxtdata->engine);
     QDeclarativeCompiledData *cdata = 0;
     QDeclarativeTypeData *typeData = 0;
-    if (engine && ctxtdata && !ctxtdata->url.isEmpty()) {
+    if (!ctxtdata->url.isEmpty()) {
         typeData = engine->typeLoader.get(ctxtdata->url);
         cdata = typeData->compiledData();
     }
diff --git a/src/declarative/qml/qdeclarativecompiler.cpp b/src/declarative/qml/qdeclarativecompiler.cpp
index e642a67..abde4ad 100644
--- a/src/declarative/qml/qdeclarativecompiler.cpp
+++ b/src/declarative/qml/qdeclarativecompiler.cpp
@@ -622,6 +622,7 @@ bool QDeclarativeCompiler::compile(QDeclarativeEngine *engine,
             out->dumpInstructions();
         if (compilerStatDump())
             dumpStats();
+        Q_ASSERT(out->rootPropertyCache);
     } else {
         reset(out);
     }
@@ -1218,6 +1219,11 @@ void QDeclarativeCompiler::genComponent(QDeclarativeParser::Object *obj)
         id.setId.index = obj->idIndex;
         output->bytecode << id;
     }
+
+    if (obj == unitRoot) {
+        output->rootPropertyCache = output->types[obj->type].createPropertyCache(engine);
+        output->rootPropertyCache->addref();
+    }
 }
 
 bool QDeclarativeCompiler::buildComponent(QDeclarativeParser::Object *obj,
diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp
index b81f631..8679445 100644
--- a/src/declarative/qml/qdeclarativeengine.cpp
+++ b/src/declarative/qml/qdeclarativeengine.cpp
@@ -771,9 +771,6 @@ QNetworkAccessManager *QDeclarativeEngine::networkAccessManager() const
   All required image providers should be added to the engine before any
   QML sources files are loaded.
 
-  Note that images loaded from a QDeclarativeImageProvider are cached
-  by QPixmapCache, similar to any image loaded by QML.
-
   \sa removeImageProvider()
 */
 void QDeclarativeEngine::addImageProvider(const QString &providerId, QDeclarativeImageProvider *provider)
@@ -1716,9 +1713,6 @@ QScriptValue QDeclarativeEnginePrivate::rect(QScriptContext *ctxt, QScriptEngine
     qsreal w = ctxt->argument(2).toNumber();
     qsreal h = ctxt->argument(3).toNumber();
 
-    if (w < 0 || h < 0)
-        return engine->nullValue();
-
     return QDeclarativeEnginePrivate::get(engine)->scriptValueFromVariant(QVariant::fromValue(QRectF(x, y, w, h)));
 }
 
diff --git a/src/declarative/qml/qdeclarativeimageprovider.cpp b/src/declarative/qml/qdeclarativeimageprovider.cpp
index 559adf4..fa88c00 100644
--- a/src/declarative/qml/qdeclarativeimageprovider.cpp
+++ b/src/declarative/qml/qdeclarativeimageprovider.cpp
@@ -136,7 +136,8 @@ public:
 
     Image providers that support QImage loading automatically include support
     for asychronous loading of images. To enable asynchronous loading for an
-    \l Image source, set \l Image::asynchronous to \c true. When this is enabled, 
+    image source, set the \c asynchronous property to \c true for the relevant
+    \l Image, \l BorderImage or \l AnimatedImage object. When this is enabled, 
     the image request to the provider is run in a low priority thread,
     allowing image loading to be executed in the background, and reducing the
     performance impact on the user interface.
@@ -147,6 +148,17 @@ public:
     \c true, the value is ignored and the image is loaded
     synchronously.
 
+
+    \section2 Image caching
+
+    Images returned by a QDeclarativeImageProvider are automatically cached,
+    similar to any image loaded by the QML engine. When an image with a
+    "image://" prefix is loaded from cache, requestImage() and requestPixmap()
+    will not be called for the relevant image provider. If an image should always
+    be fetched from the image provider, and should not be cached at all, set the
+    \c cache property to \c false for the relevant \l Image, \l BorderImage or
+    \l AnimatedImage object.
+
     \sa QDeclarativeEngine::addImageProvider()
 */
 
diff --git a/src/declarative/qml/qdeclarativetypeloader.cpp b/src/declarative/qml/qdeclarativetypeloader.cpp
index 77587a4..168c151 100644
--- a/src/declarative/qml/qdeclarativetypeloader.cpp
+++ b/src/declarative/qml/qdeclarativetypeloader.cpp
@@ -434,7 +434,7 @@ void QDeclarativeDataBlob::notifyComplete(QDeclarativeDataBlob *blob)
 
 /*!
 \class QDeclarativeDataLoader
-\brief The QDeclarativeDataLoader class abstracts loading files and their dependecies over the network.
+\brief The QDeclarativeDataLoader class abstracts loading files and their dependencies over the network.
 \internal
 
 The QDeclarativeDataLoader class is provided for the exclusive use of the QDeclarativeTypeLoader class.
@@ -453,9 +453,11 @@ are required before processing can fully complete.
 To complete processing, the QDeclarativeDataBlob::done() callback is invoked.  done() is called when
 one of these three preconditions are met.
 
-1.  The QDeclarativeDataBlob has no dependencies.
-2.  The QDeclarativeDataBlob has an error set.
-3.  All the QDeclarativeDataBlob's dependencies are themselves "done()".
+\list 1
+\o The QDeclarativeDataBlob has no dependencies.
+\o The QDeclarativeDataBlob has an error set.
+\o All the QDeclarativeDataBlob's dependencies are themselves "done()".
+\endlist
 
 Thus QDeclarativeDataBlob::done() will always eventually be called, even if the blob has an error set.
 */
@@ -616,13 +618,17 @@ void QDeclarativeDataLoader::setData(QDeclarativeDataBlob *blob, const QByteArra
 }
 
 /*!
-\class QDeclarativeTypeLoader
+Constructs a new type loader that uses the given \a engine.
 */
 QDeclarativeTypeLoader::QDeclarativeTypeLoader(QDeclarativeEngine *engine)
 : QDeclarativeDataLoader(engine)
 {
 }
 
+/*!
+Destroys the type loader, first clearing the cache of any information about
+loaded files.
+*/
 QDeclarativeTypeLoader::~QDeclarativeTypeLoader()
 {
     clearCache();
@@ -674,7 +680,7 @@ QDeclarativeTypeData *QDeclarativeTypeLoader::get(const QByteArray &data, const
 }
 
 /*!
-Return a QDeclarativeScriptData for \a url.  The QDeclarativeScriptData may be cached.
+Returns a QDeclarativeScriptData for \a url.  The QDeclarativeScriptData may be cached.
 */
 QDeclarativeScriptData *QDeclarativeTypeLoader::getScript(const QUrl &url)
 {
@@ -695,7 +701,7 @@ QDeclarativeScriptData *QDeclarativeTypeLoader::getScript(const QUrl &url)
 }
 
 /*!
-Return a QDeclarativeQmldirData for \a url.  The QDeclarativeQmldirData may be cached.
+Returns a QDeclarativeQmldirData for \a url.  The QDeclarativeQmldirData may be cached.
 */
 QDeclarativeQmldirData *QDeclarativeTypeLoader::getQmldir(const QUrl &url)
 {
@@ -715,6 +721,10 @@ QDeclarativeQmldirData *QDeclarativeTypeLoader::getQmldir(const QUrl &url)
     return qmldirData;
 }
 
+/*!
+Clears cached information about loaded files, including any type data, scripts
+and qmldir information.
+*/
 void QDeclarativeTypeLoader::clearCache()
 {
     for (TypeCache::Iterator iter = m_typeCache.begin(); iter != m_typeCache.end(); ++iter) 
diff --git a/src/declarative/qml/qperformancetimer.cpp b/src/declarative/qml/qperformancetimer.cpp
index 9fc0d35..659a339 100644
--- a/src/declarative/qml/qperformancetimer.cpp
+++ b/src/declarative/qml/qperformancetimer.cpp
@@ -45,14 +45,15 @@
 #include <sys/time.h>
 #include <unistd.h>
 #include <mach/mach_time.h>
-#elif defined(Q_OS_UNIX)
-#include <sys/time.h>
-#include <time.h>
-#include <unistd.h>
 #elif defined(Q_OS_SYMBIAN)
 #include <e32std.h>
 #include <sys/time.h>
 #include <hal.h>
+#include <hal_data.h>
+#elif defined(Q_OS_UNIX)
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
 #elif defined(Q_OS_WIN)
 #include <windows.h>
 #endif
@@ -84,6 +85,29 @@ qint64 QPerformanceTimer::elapsed() const
     return absoluteToNSecs(cpu_time - t1);
 }
 
+////////////////////////////// Symbian //////////////////////////////
+#elif defined(Q_OS_SYMBIAN)
+
+static qint64 getTimeFromTick(quint64 elapsed)
+{
+    static TInt freq = 0;
+    if (!freq)
+        HAL::Get(HALData::EFastCounterFrequency, freq);
+
+    return (elapsed * 1000000000) / freq;
+}
+
+void QPerformanceTimer::start()
+{
+    t1 = User::FastCounter();
+}
+
+qint64 QPerformanceTimer::elapsed() const
+{
+    return getTimeFromTick(User::FastCounter() - t1);
+}
+
+
 ////////////////////////////// Unix //////////////////////////////
 #elif defined(Q_OS_UNIX)
 
@@ -158,29 +182,6 @@ qint64 QPerformanceTimer::elapsed() const
     return sec * Q_INT64_C(1000000000) + frac;
 }
 
-////////////////////////////// Symbian //////////////////////////////
-#elif defined(Q_OS_SYMBIAN)
-
-static qint64 getTimeFromTick(quint64 elapsed)
-{
-    static TInt freq;
-    if (!freq)
-        HAL::Get(HALData::EFastCounterFrequency, freq);
-
-    // ### not sure on units
-    return elapsed / freq;
-}
-
-void QPerformanceTimer::start()
-{
-    t1 = User::FastCounter();
-}
-
-qint64 QPerformanceTimer::elapsed() const
-{
-    return getTimeFromTick(User::FastCounter() - t1);
-}
-
 ////////////////////////////// Windows //////////////////////////////
 #elif defined(Q_OS_WIN)
 
diff --git a/src/declarative/util/qdeclarativeanimation.cpp b/src/declarative/util/qdeclarativeanimation.cpp
index efaa7f0..ce21bcd 100644
--- a/src/declarative/util/qdeclarativeanimation.cpp
+++ b/src/declarative/util/qdeclarativeanimation.cpp
@@ -1522,6 +1522,7 @@ void QDeclarativeAnimationGroupPrivate::append_animation(QDeclarativeListPropert
     QDeclarativeAnimationGroup *q = qobject_cast<QDeclarativeAnimationGroup *>(list->object);
     if (q) {
         a->setGroup(q);
+        // This is an optimization for the parenting that already occurs via addAnimation
         QDeclarative_setParent_noEvent(a->qtAnimation(), q->d_func()->ag);
         q->d_func()->ag->addAnimation(a->qtAnimation());
     }
@@ -1531,9 +1532,12 @@ void QDeclarativeAnimationGroupPrivate::clear_animation(QDeclarativeListProperty
 {
     QDeclarativeAnimationGroup *q = qobject_cast<QDeclarativeAnimationGroup *>(list->object);
     if (q) {
-        for (int i = 0; i < q->d_func()->animations.count(); ++i)
-            q->d_func()->animations.at(i)->setGroup(0);
-        q->d_func()->animations.clear();
+        while (q->d_func()->animations.count()) {
+            QDeclarativeAbstractAnimation *firstAnim = q->d_func()->animations.at(0);
+            QDeclarative_setParent_noEvent(firstAnim->qtAnimation(), 0);
+            q->d_func()->ag->removeAnimation(firstAnim->qtAnimation());
+            firstAnim->setGroup(0);
+        }
     }
 }
 
diff --git a/src/declarative/util/qdeclarativepixmapcache.cpp b/src/declarative/util/qdeclarativepixmapcache.cpp
index 07d3977..3557425 100644
--- a/src/declarative/util/qdeclarativepixmapcache.cpp
+++ b/src/declarative/util/qdeclarativepixmapcache.cpp
@@ -584,6 +584,7 @@ public:
 
     void unreferencePixmap(QDeclarativePixmapData *);
     void referencePixmap(QDeclarativePixmapData *);
+    void flushCache();
 
 protected:
     virtual void timerEvent(QTimerEvent *);
@@ -682,6 +683,14 @@ void QDeclarativePixmapStore::timerEvent(QTimerEvent *)
     }
 }
 
+/*
+    Remove all unreferenced pixmaps from the cache.
+*/
+void QDeclarativePixmapStore::flushCache()
+{
+    shrinkCache(m_unreferencedCost);
+}
+
 QDeclarativePixmapReply::QDeclarativePixmapReply(QDeclarativePixmapData *d)
 : data(d), reader(0), requestSize(d->requestSize), loading(false), redirectCount(0)
 {
@@ -1075,6 +1084,11 @@ bool QDeclarativePixmap::connectDownloadProgress(QObject *object, int method)
     return QMetaObject::connect(d->reply, QDeclarativePixmapReply::downloadProgressIndex, object, method);
 }
 
+void QDeclarativePixmap::flushCache()
+{
+    pixmapStore()->flushCache();
+}
+
 QT_END_NAMESPACE
 
 #include <qdeclarativepixmapcache.moc>
diff --git a/src/declarative/util/qdeclarativepixmapcache_p.h b/src/declarative/util/qdeclarativepixmapcache_p.h
index 396c196..4976906 100644
--- a/src/declarative/util/qdeclarativepixmapcache_p.h
+++ b/src/declarative/util/qdeclarativepixmapcache_p.h
@@ -103,6 +103,8 @@ public:
     bool connectDownloadProgress(QObject *, const char *);
     bool connectDownloadProgress(QObject *, int);
 
+    static void flushCache();
+
 private:
     Q_DISABLE_COPY(QDeclarativePixmap)
     QDeclarativePixmapData *d;
diff --git a/src/declarative/util/qdeclarativetransition.cpp b/src/declarative/util/qdeclarativetransition.cpp
index 273060b..b63407c 100644
--- a/src/declarative/util/qdeclarativetransition.cpp
+++ b/src/declarative/util/qdeclarativetransition.cpp
@@ -130,6 +130,9 @@ public:
         endState->complete();
     }
     static void append_animation(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list, QDeclarativeAbstractAnimation *a);
+    static int animation_count(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list);
+    static QDeclarativeAbstractAnimation* animation_at(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list, int pos);
+    static void clear_animations(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list);
     QList<QDeclarativeAbstractAnimation *> animations;
 };
 
@@ -141,6 +144,28 @@ void QDeclarativeTransitionPrivate::append_animation(QDeclarativeListProperty<QD
     a->setDisableUserControl();
 }
 
+int QDeclarativeTransitionPrivate::animation_count(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list)
+{
+    QDeclarativeTransition *q = static_cast<QDeclarativeTransition *>(list->object);
+    return q->d_func()->animations.count();
+}
+
+QDeclarativeAbstractAnimation* QDeclarativeTransitionPrivate::animation_at(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list, int pos)
+{
+    QDeclarativeTransition *q = static_cast<QDeclarativeTransition *>(list->object);
+    return q->d_func()->animations.at(pos);
+}
+
+void QDeclarativeTransitionPrivate::clear_animations(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list)
+{
+    QDeclarativeTransition *q = static_cast<QDeclarativeTransition *>(list->object);
+    while (q->d_func()->animations.count()) {
+        QDeclarativeAbstractAnimation *firstAnim = q->d_func()->animations.at(0);
+        q->d_func()->group.removeAnimation(firstAnim->qtAnimation());
+        q->d_func()->animations.removeAll(firstAnim);
+    }
+}
+
 void ParallelAnimationWrapper::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
 {
     QParallelAnimationGroup::updateState(newState, oldState);
@@ -309,7 +334,10 @@ void QDeclarativeTransition::setToState(const QString &t)
 QDeclarativeListProperty<QDeclarativeAbstractAnimation> QDeclarativeTransition::animations()
 {
     Q_D(QDeclarativeTransition);
-    return QDeclarativeListProperty<QDeclarativeAbstractAnimation>(this, &d->animations, QDeclarativeTransitionPrivate::append_animation);
+    return QDeclarativeListProperty<QDeclarativeAbstractAnimation>(this, &d->animations, QDeclarativeTransitionPrivate::append_animation,
+                                                                   QDeclarativeTransitionPrivate::animation_count,
+                                                                   QDeclarativeTransitionPrivate::animation_at,
+                                                                   QDeclarativeTransitionPrivate::clear_animations);
 }
 
 QT_END_NAMESPACE
diff --git a/src/declarative/util/qdeclarativetransitionmanager.cpp b/src/declarative/util/qdeclarativetransitionmanager.cpp
index 944b37f..6e96ac9 100644
--- a/src/declarative/util/qdeclarativetransitionmanager.cpp
+++ b/src/declarative/util/qdeclarativetransitionmanager.cpp
@@ -56,12 +56,12 @@ class QDeclarativeTransitionManagerPrivate
 {
 public:
     QDeclarativeTransitionManagerPrivate()
-    : state(0), transition(0) {}
+        : state(0) {}
 
     void applyBindings();
     typedef QList<QDeclarativeSimpleAction> SimpleActionList;
     QDeclarativeState *state;
-    QDeclarativeTransition *transition;
+    QDeclarativeGuard<QDeclarativeTransition> transition;
     QDeclarativeStateOperation::ActionList bindingsList;
     SimpleActionList completeList;
 };
@@ -253,7 +253,7 @@ void QDeclarativeTransitionManager::cancel()
 {
     if (d->transition) {
         // ### this could potentially trigger a complete in rare circumstances
-        d->transition->stop();  
+        d->transition->stop();
         d->transition = 0;
     }
 
diff --git a/src/declarative/util/qdeclarativeview.cpp b/src/declarative/util/qdeclarativeview.cpp
index f6be2d7..bab991b 100644
--- a/src/declarative/util/qdeclarativeview.cpp
+++ b/src/declarative/util/qdeclarativeview.cpp
@@ -49,7 +49,7 @@
 #include <qdeclarativeguard_p.h>
 
 #include <private/qdeclarativedebugtrace_p.h>
-#include <private/qdeclarativeobserverservice_p.h>
+#include <private/qdeclarativeinspectorservice_p.h>
 
 #include <qscriptvalueiterator.h>
 #include <qdebug.h>
@@ -301,7 +301,7 @@ void QDeclarativeViewPrivate::init()
     q->viewport()->setAttribute(Qt::WA_NoSystemBackground);
 #endif
 
-    QDeclarativeObserverService::instance()->addView(q);
+    QDeclarativeInspectorService::instance()->addView(q);
 }
 
 /*!
@@ -309,7 +309,7 @@ void QDeclarativeViewPrivate::init()
  */
 QDeclarativeView::~QDeclarativeView()
 {
-    QDeclarativeObserverService::instance()->removeView(this);
+    QDeclarativeInspectorService::instance()->removeView(this);
 }
 
 /*! \property QDeclarativeView::source
diff --git a/src/gui/accessible/qaccessible.cpp b/src/gui/accessible/qaccessible.cpp
index 00427eb..337bb99 100644
--- a/src/gui/accessible/qaccessible.cpp
+++ b/src/gui/accessible/qaccessible.cpp
@@ -212,42 +212,101 @@ QT_BEGIN_NAMESPACE
 
     This enum type defines accessible event types.
 
-    \value AcceleratorChanged
-    \value Alert                 A system alert (e.g., a message from a QMessageBox)
-    \value ContextHelpEnd        Context help (QWhatsThis) for an object is finished.
-    \value ContextHelpStart      Context help (QWhatsThis) for an object is initiated.
-    \value DefaultActionChanged  The default QAccessible::Action for the accessible object changed
-    \value DescriptionChanged    The objects QAccessible::Description changed.
-    \value DialogEnd             A dialog (QDialog) is been hidden
-    \value DialogStart           A dialog (QDialog) has been set visible.
-    \value DragDropEnd           A Drag & Drop operation is about to finished.
-    \value DragDropStart         A Drag & Drop operation is about to be initiated.
-    \value Focus                 An object has gained keyboard focus.
-    \value ForegroundChanged     A window has been activated (i.e., a new window has gained focus on the desktop)
-    \value HelpChanged           The QAccessible::Help text property of an object has changed
-    \value LocationChanged       An objects location on the screen changed
-    \value MenuCommand           A menu item is triggered.
-    \value MenuEnd               A menu has been closed (Qt uses PopupMenuEnd for all menus)
-    \value MenuStart             A menu has been opened on the menubar (Qt uses PopupMenuStart for all menus)
-    \value NameChanged           The QAccessible::Name property of an object has changed
-    \value ObjectCreated         A new object is created.
-    \value ObjectDestroyed       An object is deleted.
-    \value ObjectHide            An object is hidden (i.e., with QWidget::hide()). Any children the object that is hidden has do not send this event.
-                                 It is not send when an object is hidden as it is being obcured by others.
-    \value ObjectReorder         A layout or item view  has added, removed, or moved an object (Qt does not use this event).
-    \value ObjectShow            An object is displayed (i.e., with QWidget::show()).
-    \value ParentChanged         An objects parent object changed.
-    \value PopupMenuEnd          A popup menu has closed.
-    \value PopupMenuStart        A popupmenu has opened.
-    \value ScrollingEnd          A scrollbar scroll operation has ended (the mouse has released the slider handle)
-    \value ScrollingStart        A scrollbar scroll operation is about to start (i.e., the mouse has pressed on the slider handle)
-    \value Selection             The selection has changed in a menu or item view.
-    \value SelectionAdd          An item has been added to the selection in an item view.
-    \value SelectionRemove       An item has been removed from an item view selection.
-    \value SelectionWithin       Several changes to a selection has occurred in an item view.
-    \value SoundPlayed           A sound has been played by an object
-    \value StateChanged          The QAccessible::State of an object has changed.
-    \value ValueChanged          The QAccessible::Value of an object has changed.
+    \value AcceleratorChanged               The keyboard accelerator for an action has been changed.
+    \value ActionChanged                    An action has been changed.
+    \value ActiveDescendantChanged
+    \value Alert                            A system alert (e.g., a message from a QMessageBox)
+    \value AttributeChanged
+    \value ContextHelpEnd                   Context help (QWhatsThis) for an object is finished.
+    \value ContextHelpStart                 Context help (QWhatsThis) for an object is initiated.
+    \value DefaultActionChanged             The default QAccessible::Action for the accessible
+                                            object has changed.
+    \value DescriptionChanged               The object's QAccessible::Description changed.
+    \value DialogEnd                        A dialog (QDialog) has been hidden
+    \value DialogStart                      A dialog (QDialog) has been set visible.
+    \value DocumentContentChanged           The contents of a text document have changed.
+    \value DocumentLoadComplete             A document has been loaded.
+    \value DocumentLoadStopped              A document load has been stopped.
+    \value DocumentReload                   A document reload has been initiated.
+    \value DragDropEnd                      A drag and drop operation is about to finished.
+    \value DragDropStart                    A drag and drop operation is about to be initiated.
+    \value Focus                            An object has gained keyboard focus.
+    \value ForegroundChanged                A window has been activated (i.e., a new window has
+                                            gained focus on the desktop).
+    \value HelpChanged                      The QAccessible::Help text property of an object has
+                                            changed.
+    \value HyperlinkEndIndexChanged         The end position of the display text for a hypertext
+                                            link has changed.
+    \value HyperlinkNumberOfAnchorsChanged  The number of anchors in a hypertext link has changed,
+                                            perhaps because the display text has been split to
+                                            provide more than one link.
+    \value HyperlinkSelectedLinkChanged     The link for the selected hypertext link has changed.
+    \value HyperlinkStartIndexChanged       The start position of the display text for a hypertext
+                                            link has changed.
+    \value HypertextChanged                 The display text for a hypertext link has changed.
+    \value HypertextLinkActivated           A hypertext link has been activated, perhaps by being
+                                            clicked or via a key press.
+    \value HypertextLinkSelected            A hypertext link has been selected.
+    \value HypertextNLinksChanged
+    \value LocationChanged                  An object's location on the screen has changed.
+    \value MenuCommand                      A menu item is triggered.
+    \value MenuEnd                          A menu has been closed (Qt uses PopupMenuEnd for all
+                                            menus).
+    \value MenuStart                        A menu has been opened on the menubar (Qt uses
+                                            PopupMenuStart for all menus).
+    \value NameChanged                      The QAccessible::Name property of an object has changed.
+    \value ObjectAttributeChanged
+    \value ObjectCreated                    A new object is created.
+    \value ObjectDestroyed                  An object is deleted.
+    \value ObjectHide                       An object is hidden; for example, with QWidget::hide().
+                                            Any children the object that is hidden has do not send
+                                            this event. It is not sent when an object is hidden as
+                                            it is being obcured by others.
+    \value ObjectReorder                    A layout or item view  has added, removed, or moved an
+                                            object (Qt does not use this event).
+    \value ObjectShow                       An object is displayed; for example, with
+                                            QWidget::show().
+    \value PageChanged
+    \value ParentChanged                    An object's parent object changed.
+    \value PopupMenuEnd                     A pop-up menu has closed.
+    \value PopupMenuStart                   A pop-up menu has opened.
+    \value ScrollingEnd                     A scrollbar scroll operation has ended (the mouse has
+                                            released the slider handle).
+    \value ScrollingStart                   A scrollbar scroll operation is about to start; this may
+                                            be caused by a mouse press on the slider handle, for
+                                            example.
+    \value SectionChanged
+    \value SelectionAdd                     An item has been added to the selection in an item view.
+    \value SelectionRemove                  An item has been removed from an item view selection.
+    \value Selection                        The selection has changed in a menu or item view.
+    \value SelectionWithin                  Several changes to a selection has occurred in an item
+                                            view.
+    \value SoundPlayed                      A sound has been played by an object
+    \value StateChanged                     The QAccessible::State of an object has changed.
+    \value TableCaptionChanged              A table caption has been changed.
+    \value TableColumnDescriptionChanged    The description of a table column, typically found in
+                                            the column's header, has been changed.
+    \value TableColumnHeaderChanged         A table column header has been changed.
+    \value TableModelChanged                The model providing data for a table has been changed.
+    \value TableRowDescriptionChanged       The description of a table row, typically found in the
+                                            row's header, has been changed.
+    \value TableRowHeaderChanged            A table row header has been changed.
+    \value TableSummaryChanged              The summary of a table has been changed.
+    \value TextAttributeChanged
+    \value TextCaretMoved                   The caret has moved in an editable widget.
+                                            The caret represents the cursor position in an editable
+                                            widget with the input focus.
+    \value TextColumnChanged                A text column has been changed.
+    \value TextInserted                     Text has been inserted into an editable widget.
+    \value TextRemoved                      Text has been removed from an editable widget.
+    \value TextSelectionChanged             The selected text has changed in an editable widget.
+    \value TextUpdated                      The text has been update in an editable widget.
+    \value ValueChanged                     The QAccessible::Value of an object has changed.
+    \value VisibleDataChanged
+
+    The values for this enum are defined to be the same as those defined in the
+    \l{AccessibleEventID.idl File Reference}{IAccessible2} and
+    \l{Microsoft Active Accessibility Event Constants}{MSAA} specifications.
 */
 
 /*!
diff --git a/src/gui/accessible/qaccessiblewidget.cpp b/src/gui/accessible/qaccessiblewidget.cpp
index 60ed48f..6a7d7e9 100644
--- a/src/gui/accessible/qaccessiblewidget.cpp
+++ b/src/gui/accessible/qaccessiblewidget.cpp
@@ -704,13 +704,16 @@ int QAccessibleWidget::navigate(RelationFlag relation, int entry,
             int sibCount = pIface->childCount();
             QAccessibleInterface *candidate = 0;
             for (int i = 0; i < sibCount && entry; ++i) {
-                pIface->navigate(Child, i+1, &candidate);
-                Q_ASSERT(candidate);
-                if (candidate->relationTo(0, this, 0) & Label)
+                const int childId = pIface->navigate(Child, i+1, &candidate);
+                Q_ASSERT(childId >= 0);
+                if (childId > 0)
+                    candidate = pIface;
+                if (candidate->relationTo(childId, this, 0) & Label)
                     --entry;
                 if (!entry)
                     break;
-                delete candidate;
+                if (candidate != pIface)
+                    delete candidate;
                 candidate = 0;
             }
             if (!candidate) {
diff --git a/src/gui/dialogs/dialogs.pri b/src/gui/dialogs/dialogs.pri
index 6ba707c..1dddb44 100644
--- a/src/gui/dialogs/dialogs.pri
+++ b/src/gui/dialogs/dialogs.pri
@@ -109,7 +109,11 @@ SOURCES += \
         dialogs/qprintpreviewdialog.cpp
 
 symbian:contains(QT_CONFIG, s60) {
-    LIBS += -lCommonDialogs
+    contains(CONFIG, is_using_gnupoc) {
+        LIBS += -lcommondialogs
+    } else {
+        LIBS += -lCommonDialogs
+    }
     SOURCES += dialogs/qfiledialog_symbian.cpp \
                dialogs/qcolordialog_symbian.cpp
 }
diff --git a/src/gui/dialogs/qfiledialog_symbian.cpp b/src/gui/dialogs/qfiledialog_symbian.cpp
index a4a7a22..16ef5b6 100644
--- a/src/gui/dialogs/qfiledialog_symbian.cpp
+++ b/src/gui/dialogs/qfiledialog_symbian.cpp
@@ -44,7 +44,7 @@
 #ifndef QT_NO_FILEDIALOG
 
 #include <private/qfiledialog_p.h>
-#if defined(Q_WS_S60) && defined(SYMBIAN_VERSION_SYMBIAN3)
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
 #include <driveinfo.h>
 #include <AknCommonDialogsDynMem.h>
 #include <CAknMemorySelectionDialogMultiDrive.h>
@@ -58,7 +58,7 @@ extern QStringList qt_make_filter_list(const QString &filter); // defined in qfi
 extern QStringList qt_clean_filter_list(const QString &filter); // defined in qfiledialog.cpp
 
 enum DialogMode { DialogOpen, DialogSave, DialogFolder };
-#if defined(Q_WS_S60) && defined(SYMBIAN_VERSION_SYMBIAN3)
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
 class CExtensionFilter : public MAknFileFilter
 {
 public:
@@ -104,7 +104,7 @@ static QString launchSymbianDialog(const QString dialogCaption, const QString st
                                    const QString filter, DialogMode dialogMode)
 {
     QString selection;
-#if defined(Q_WS_S60) && defined(SYMBIAN_VERSION_SYMBIAN3)
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     TFileName startFolder;
     if (!startDirectory.isEmpty()) {
         QString dir = QDir::toNativeSeparators(QFileDialogPrivate::workingDirectory(startDirectory));
diff --git a/src/gui/egl/qegl_p.h b/src/gui/egl/qegl_p.h
index 9b0d82e..15e7cab 100644
--- a/src/gui/egl/qegl_p.h
+++ b/src/gui/egl/qegl_p.h
@@ -165,13 +165,21 @@ typedef int EGLImageKHR;
 typedef void *EGLImageKHR;
 #endif
 
+#if !defined(EGL_NO_IMAGE_KHR)
 #define EGL_NO_IMAGE_KHR            ((EGLImageKHR)0)
+#endif
+#if !defined(EGL_IMAGE_PRESERVED_KHR)
 #define EGL_IMAGE_PRESERVED_KHR     0x30D2
+#endif
+#if !defined(EGL_KHR_image_base)
 #define EGL_KHR_image_base
 #endif
+#endif
 
-#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_pixmap)
+#if !defined(EGL_KHR_image)
 #define EGL_NATIVE_PIXMAP_KHR       0x30B0
+#endif
+#if !defined(EGL_KHR_image_pixmap)
 #define EGL_KHR_image_pixmap
 #endif
 
diff --git a/src/gui/embedded/embedded.pri b/src/gui/embedded/embedded.pri
index 31f0bc6..836c116 100644
--- a/src/gui/embedded/embedded.pri
+++ b/src/gui/embedded/embedded.pri
@@ -117,7 +117,7 @@ embedded {
         contains( gfx-drivers, qnx ) {
                 HEADERS += embedded/qscreenqnx_qws.h
                 SOURCES += embedded/qscreenqnx_qws.cpp
-                LIBS += -lgf
+                LIBS_PRIVATE += -lgf
         }
 
         contains( gfx-drivers, integrityfb ) {
diff --git a/src/gui/embedded/qkbd_qws.cpp b/src/gui/embedded/qkbd_qws.cpp
index 77ae47b..5edc4d9 100644
--- a/src/gui/embedded/qkbd_qws.cpp
+++ b/src/gui/embedded/qkbd_qws.cpp
@@ -225,7 +225,7 @@ bool QWSKbPrivate::loadKeymap(const QString &file)
     ds >> qmap_magic >> qmap_version >> qmap_keymap_size >> qmap_keycompose_size;
 
     if (ds.status() != QDataStream::Ok || qmap_magic != QWSKeyboard::FileMagic || qmap_version != 1 || qmap_keymap_size == 0) {
-        qWarning("'%s' is ot a valid.qmap keymap file.", qPrintable(file));
+        qWarning("'%s' is not a valid .qmap keymap file.", qPrintable(file));
         return false;
     }
 
diff --git a/src/gui/embedded/qkbdqnx_qws.cpp b/src/gui/embedded/qkbdqnx_qws.cpp
index 5a8118d..ad76446 100644
--- a/src/gui/embedded/qkbdqnx_qws.cpp
+++ b/src/gui/embedded/qkbdqnx_qws.cpp
@@ -40,16 +40,16 @@
 ****************************************************************************/
 
 #include "qkbdqnx_qws.h"
-#include "QtCore/qsocketnotifier.h"
+
+#include "qplatformdefs.h"
+#include "qsocketnotifier.h"
+#include "private/qcore_unix_p.h"
 #include "QtCore/qdebug.h"
 
 #include <sys/dcmd_input.h>
-#include <photon/keycodes.h>
-
-#include "qplatformdefs.h"
+#include <sys/keycodes.h>
 #include <errno.h>
 
-
 QT_BEGIN_NAMESPACE
 
 /*!
@@ -72,7 +72,7 @@ QT_BEGIN_NAMESPACE
 
     Example invocation from command line: \c{/usr/photon/bin/devi-hid -Pr kbd mouse}
     Note that after running \c{devi-hid}, you will not be able to use the local
-    shell anymore. It is suggested to run the command in a shell scrip, that launches
+    shell anymore. It is suggested to run the command in a shell script, that launches
     a Qt application after invocation of \c{devi-hid}.
 
     To make \l{Qt for Embedded Linux} explicitly choose the qnx keyboard
@@ -100,15 +100,13 @@ QWSQnxKeyboardHandler::QWSQnxKeyboardHandler(const QString &device)
                          QT_OPEN_RDONLY);
     if (keyboardFD == -1) {
         qErrnoWarning(errno, "QWSQnxKeyboardHandler: Unable to open device");
-        return;
-    }
-
-    // create a socket notifier so we'll wake up whenever keyboard input is detected.
-    QSocketNotifier *notifier = new QSocketNotifier(keyboardFD, QSocketNotifier::Read, this);
-    connect(notifier, SIGNAL(activated(int)), SLOT(socketActivated()));
-
-    qDebug() << "QWSQnxKeyboardHandler: connected.";
+    } else {
+        // create a socket notifier so we'll wake up whenever keyboard input is detected.
+        QSocketNotifier *notifier = new QSocketNotifier(keyboardFD, QSocketNotifier::Read, this);
+        connect(notifier, SIGNAL(activated(int)), SLOT(socketActivated()));
 
+        qDebug("QWSQnxKeyboardHandler: connected.");
+    }
 }
 
 /*!
@@ -116,7 +114,16 @@ QWSQnxKeyboardHandler::QWSQnxKeyboardHandler(const QString &device)
  */
 QWSQnxKeyboardHandler::~QWSQnxKeyboardHandler()
 {
-    QT_CLOSE(keyboardFD);
+    if (keyboardFD != -1)
+        QT_CLOSE(keyboardFD);
+}
+
+// similar to PhKeyToMb
+static inline bool key_sym_displayable(unsigned long sym)
+{
+    if (sym >= 0xF000)
+        return sym >= 0xF100 && (sizeof(wchar_t) > 2 || sym < 0x10000);
+    return (sym & ~0x9F) != 0; // exclude 0...0x1F and 0x80...0x9F
 }
 
 /*! \internal
@@ -136,6 +143,11 @@ void QWSQnxKeyboardHandler::socketActivated()
     // the bytes read must be the size of a keyboard packet
     Q_ASSERT(bytesRead == sizeof(_keyboard_packet));
 
+    if (packet.data.flags & KEY_SYM_VALID_EX)
+        packet.data.flags |= KEY_SYM_VALID;
+    else if (!(packet.data.flags & (KEY_SYM_VALID | KEY_CAP_VALID)))
+        return;
+
 #if 0
     qDebug() << "keyboard got scancode"
              << hex << packet.data.modifiers
@@ -145,86 +157,157 @@ void QWSQnxKeyboardHandler::socketActivated()
              << packet.data.key_scan;
 #endif
 
-    // QNX is nice enough to translate the raw keyboard data into a QNX data structure
+    // QNX is nice enough to translate the raw keyboard data into generic format for us.
     // Now we just have to translate it into a format Qt understands.
 
-    // figure out whether it's a press
-    bool isPress = packet.data.key_cap & KEY_DOWN;
-    // figure out whether the key is still pressed and the key event is repeated
-    bool isRepeat = packet.data.key_cap & KEY_REPEAT;
-
-    Qt::Key key = Qt::Key_unknown;
-    int unicode = 0xffff;
-
-    // TODO - this switch is not complete!
-    switch (packet.data.key_scan) {
-    case KEYCODE_SPACE: key = Qt::Key_Space; unicode = 0x20; break;
-    case KEYCODE_F1: key = Qt::Key_F1; break;
-    case KEYCODE_F2: key = Qt::Key_F2; break;
-    case KEYCODE_F3: key = Qt::Key_F3; break;
-    case KEYCODE_F4: key = Qt::Key_F4; break;
-    case KEYCODE_F5: key = Qt::Key_F5; break;
-    case KEYCODE_F6: key = Qt::Key_F6; break;
-    case KEYCODE_F7: key = Qt::Key_F7; break;
-    case KEYCODE_F8: key = Qt::Key_F8; break;
-    case KEYCODE_F9: key = Qt::Key_F9; break;
-    case KEYCODE_F10: key = Qt::Key_F10; break;
-    case KEYCODE_F11: key = Qt::Key_F11; break;
-    case KEYCODE_F12: key = Qt::Key_F12; break;
-    case KEYCODE_BACKSPACE: key = Qt::Key_Backspace; break;
-    case KEYCODE_TAB: key = Qt::Key_Tab; break;
-    case KEYCODE_RETURN: key = Qt::Key_Return; break;
-    case KEYCODE_KP_ENTER: key = Qt::Key_Enter; break;
-    case KEYCODE_UP:
-    case KEYCODE_KP_UP:
-        key = Qt::Key_Up; break;
-    case KEYCODE_DOWN:
-    case KEYCODE_KP_DOWN:
-        key = Qt::Key_Down; break;
-    case KEYCODE_LEFT:
-    case KEYCODE_KP_LEFT:
-        key = Qt::Key_Left; break;
-    case KEYCODE_RIGHT:
-    case KEYCODE_KP_RIGHT:
-        key = Qt::Key_Right; break;
-    case KEYCODE_HOME:
-    case KEYCODE_KP_HOME:
-        key = Qt::Key_Home; break;
-    case KEYCODE_END:
-    case KEYCODE_KP_END:
-        key = Qt::Key_End; break;
-    case KEYCODE_PG_UP:
-    case KEYCODE_KP_PG_UP:
-        key = Qt::Key_PageUp; break;
-    case KEYCODE_PG_DOWN:
-    case KEYCODE_KP_PG_DOWN:
-        key = Qt::Key_PageDown; break;
-    case KEYCODE_INSERT:
-    case KEYCODE_KP_INSERT:
-        key = Qt::Key_Insert; break;
-    case KEYCODE_DELETE:
-    case KEYCODE_KP_DELETE:
-        key = Qt::Key_Delete; break;
-    case KEYCODE_ESCAPE:
-        key = Qt::Key_Escape; break;
-    default: // none of the above, try the key_scan directly
-        unicode = packet.data.key_scan;
-        break;
-    }
-
     // figure out the modifiers that are currently pressed
     Qt::KeyboardModifiers modifiers = Qt::NoModifier;
-    if (packet.data.flags & KEYMOD_SHIFT)
+    if (packet.data.modifiers & KEYMOD_SHIFT)
         modifiers |= Qt::ShiftModifier;
-    if (packet.data.flags & KEYMOD_CTRL)
+    if (packet.data.modifiers & KEYMOD_CTRL)
         modifiers |= Qt::ControlModifier;
-    if (packet.data.flags & KEYMOD_ALT)
+    if (packet.data.modifiers & KEYMOD_ALT)
         modifiers |= Qt::AltModifier;
+    if (packet.data.modifiers & KEYMOD_NUM_LOCK)
+        modifiers |= Qt::KeypadModifier;
+#if 0
+    // special case for AltGr
+    if (packet.data.modifiers & KEYMOD_ALTGR)
+        key = Qt::Key_AltGr;
+#endif
+
+    // figure out whether it's a press
+    bool isPress = packet.data.flags & KEY_DOWN;
+    // figure out whether the key is still pressed and the key event is repeated
+    bool isRepeat = packet.data.flags & KEY_REPEAT;
+
+    int key = Qt::Key_unknown;
+    int unicode = 0;
+
+    if (((packet.data.flags & KEY_SYM_VALID) && key_sym_displayable(unicode = packet.data.key_sym))
+        || ((packet.data.flags & KEY_CAP_VALID) && key_sym_displayable(unicode = packet.data.key_cap))) {
+        if (unicode <= 0x0ff) {
+            if (unicode >= 'a' && unicode <= 'z')
+                key = Qt::Key_A + unicode - 'a';
+            else
+                key = unicode;
+        }
+        // Ctrl<something> or Alt<something> is not a displayable character
+        if (modifiers & (Qt::ControlModifier | Qt::AltModifier))
+            unicode = 0;
+    } else {
+        unicode = 0;
+
+        unsigned long sym = 0;
+        if (packet.data.flags & KEY_SYM_VALID)
+            sym = packet.data.key_sym;
+        else if (packet.data.flags & KEY_CAP_VALID)
+            sym = packet.data.key_cap;
 
-    // if the unicode value is not ascii, we ignore it.
-    // TODO - do a complete mapping between all QNX scan codes and Qt codes
-    if (unicode != 0xffff && !isascii(unicode))
-        return; // unprintable character
+        switch (sym) {
+        case KEYCODE_ESCAPE: key = Qt::Key_Escape; unicode = 27; break;
+        case KEYCODE_TAB: key = Qt::Key_Tab; unicode = 9; break;
+        case KEYCODE_BACK_TAB: key = Qt::Key_Backtab; break;
+        case KEYCODE_BACKSPACE: key = Qt::Key_Backspace; unicode = 127; break;
+        case KEYCODE_RETURN: key = Qt::Key_Return; break;
+        case KEYCODE_KP_ENTER: key = Qt::Key_Enter; break;
+        case KEYCODE_INSERT:
+        case KEYCODE_KP_INSERT:
+            key = Qt::Key_Insert; break;
+        case KEYCODE_KP_DELETE:
+            if (modifiers & Qt::KeypadModifier) {
+                key = Qt::Key_Comma;
+                break;
+            }
+        // fall through
+        case KEYCODE_DELETE:
+            key = Qt::Key_Delete; break;
+        case KEYCODE_PAUSE:
+        case KEYCODE_BREAK:
+            if (modifiers & (Qt::ControlModifier | Qt::AltModifier))
+                return; // sometimes occurs at the middle of a key sequence
+            key = Qt::Key_Pause; break;
+        case KEYCODE_PRINT:
+            if (modifiers & (Qt::ControlModifier | Qt::AltModifier))
+                return; // sometimes occurs at the middle of a key sequence
+            key = Qt::Key_Print; break;
+        case KEYCODE_SYSREQ:
+            key = Qt::Key_SysReq; break;
+        case KEYCODE_HOME:
+        case KEYCODE_KP_HOME:
+            key = Qt::Key_Home; break;
+        case KEYCODE_END:
+        case KEYCODE_KP_END:
+            key = Qt::Key_End; break;
+        case KEYCODE_LEFT:
+        case KEYCODE_KP_LEFT:
+            key = Qt::Key_Left; break;
+        case KEYCODE_UP:
+        case KEYCODE_KP_UP:
+            key = Qt::Key_Up; break;
+        case KEYCODE_RIGHT:
+        case KEYCODE_KP_RIGHT:
+            key = Qt::Key_Right; break;
+        case KEYCODE_DOWN:
+        case KEYCODE_KP_DOWN:
+            key = Qt::Key_Down; break;
+        case KEYCODE_PG_UP:
+        case KEYCODE_KP_PG_UP:
+            key = Qt::Key_PageUp; break;
+        case KEYCODE_PG_DOWN:
+        case KEYCODE_KP_PG_DOWN:
+            key = Qt::Key_PageDown; break;
+
+        case KEYCODE_LEFT_SHIFT:
+        case KEYCODE_RIGHT_SHIFT:
+            key = Qt::Key_Shift; break;
+        case KEYCODE_LEFT_CTRL:
+        case KEYCODE_RIGHT_CTRL:
+            key = Qt::Key_Control; break;
+        case KEYCODE_LEFT_ALT:
+        case KEYCODE_RIGHT_ALT:
+            key = Qt::Key_Alt; break;
+        case KEYCODE_CAPS_LOCK:
+            key = Qt::Key_CapsLock; break;
+        case KEYCODE_NUM_LOCK:
+            key = Qt::Key_NumLock; break;
+        case KEYCODE_SCROLL_LOCK:
+            key = Qt::Key_ScrollLock; break;
+
+        case KEYCODE_F1:
+        case KEYCODE_F2:
+        case KEYCODE_F3:
+        case KEYCODE_F4:
+        case KEYCODE_F5:
+        case KEYCODE_F6:
+        case KEYCODE_F7:
+        case KEYCODE_F8:
+        case KEYCODE_F9:
+        case KEYCODE_F10:
+        case KEYCODE_F11:
+        case KEYCODE_F12:
+            key = Qt::Key_F1 + sym - KEYCODE_F1; break;
+
+        case KEYCODE_MENU: key = Qt::Key_Menu; break;
+        case KEYCODE_LEFT_HYPER: key = Qt::Key_Hyper_L; break;
+        case KEYCODE_RIGHT_HYPER: key = Qt::Key_Hyper_R; break;
+
+        case KEYCODE_KP_PLUS: key = Qt::Key_Plus; break;
+        case KEYCODE_KP_MINUS: key = Qt::Key_Minus; break;
+        case KEYCODE_KP_MULTIPLY: key = Qt::Key_multiply; break;
+        case KEYCODE_KP_DIVIDE: key = Qt::Key_Slash; break;
+        case KEYCODE_KP_FIVE:
+            if (!(modifiers & Qt::KeypadModifier))
+                key = Qt::Key_5;
+            break;
+
+        default: // none of the above
+            break;
+        }
+    }
+
+    if (key == Qt::Key_unknown && unicode == 0)
+        return;
 
     // call processKeyEvent. This is where all the magic happens to insert a
     // key event into Qt's event loop.
diff --git a/src/gui/embedded/qkbdum_qws.cpp b/src/gui/embedded/qkbdum_qws.cpp
index 4fbe03e..97561b5 100644
--- a/src/gui/embedded/qkbdum_qws.cpp
+++ b/src/gui/embedded/qkbdum_qws.cpp
@@ -40,7 +40,6 @@
 ****************************************************************************/
 
 #include "qkbdum_qws.h"
-#include "qvfbhdr.h"
 
 #if !defined(QT_NO_QWS_KEYBOARD) && !defined(QT_NO_QWS_KBD_UM)
 
@@ -55,6 +54,7 @@
 #include <qwindowsystem_qws.h>
 #include <qsocketnotifier.h>
 #include "qplatformdefs.h"
+#include "qvfbhdr.h"
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/gui/embedded/qlock.cpp b/src/gui/embedded/qlock.cpp
index ac15431..eaad15c 100644
--- a/src/gui/embedded/qlock.cpp
+++ b/src/gui/embedded/qlock.cpp
@@ -41,7 +41,6 @@
 
 #include "qlock_p.h"
 
-
 #ifdef QT_NO_QWS_MULTIPROCESS
 
 QT_BEGIN_NAMESPACE
@@ -83,7 +82,7 @@ QT_END_NAMESPACE
 #else // QT_NO_QWS_MULTIPROCESS
 
 #if defined(Q_OS_DARWIN)
-#  define Q_NO_SEMAPHORE
+#  define QT_NO_SEMAPHORE
 #endif
 
 #include "qwssignalhandler_p.h"
@@ -91,11 +90,13 @@ QT_END_NAMESPACE
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/ipc.h>
-#if defined(Q_NO_SEMAPHORE)
+#if defined(QT_NO_SEMAPHORE)
 #  include <sys/stat.h>
 #  include <sys/file.h>
-#else
+#elif !defined(QT_POSIX_IPC)
 #  include <sys/sem.h>
+#else
+#  include <semaphore.h>
 #endif
 #include <string.h>
 #include <errno.h>
@@ -109,17 +110,24 @@ QT_BEGIN_NAMESPACE
 class QLockData
 {
 public:
-#ifdef Q_NO_SEMAPHORE
+#if defined(QT_NO_SEMAPHORE) || defined(QT_POSIX_IPC)
     QByteArray file;
-#endif // Q_NO_SEMAPHORE
+#endif
+#if !defined(QT_POSIX_IPC)
     int id;
+#else
+    sem_t *id;    // Read mode resource counter
+    sem_t *rsem;  // Read mode lock
+    sem_t *wsem;  // Write mode lock
+#endif
     int count;
     bool owned;
 };
 
+
 /*!
     \class QLock
-    \brief The QLock class is a wrapper for a System V shared semaphore.
+    \brief The QLock class is a wrapper for a system shared semaphore.
 
     \ingroup qws
 
@@ -148,7 +156,7 @@ QLock::QLock(const QString &filename, char id, bool create)
 {
     data = new QLockData;
     data->count = 0;
-#ifdef Q_NO_SEMAPHORE
+#if defined(QT_NO_SEMAPHORE)
     data->file = filename.toLocal8Bit() + id;
     for (int x = 0; x < 2; ++x) {
         data->id = QT_OPEN(data->file.constData(), O_RDWR | (x ? O_CREAT : 0), S_IRWXU);
@@ -157,7 +165,7 @@ QLock::QLock(const QString &filename, char id, bool create)
             break;
         }
     }
-#else
+#elif !defined(QT_POSIX_IPC)
     key_t semkey = ftok(filename.toLocal8Bit().constData(), id);
     data->id = semget(semkey, 0, 0);
     data->owned = create;
@@ -170,6 +178,28 @@ QLock::QLock(const QString &filename, char id, bool create)
         arg.val = MAX_LOCKS;
         semctl(data->id, 0, SETVAL, arg);
     }
+#else
+    data->file = filename.toLocal8Bit() + id;
+    data->owned = create;
+
+    char ids[3] = { 'c', 'r', 'w' };
+    sem_t **sems[3] = { &data->id, &data->rsem, &data->wsem };
+    unsigned short initialValues[3] = { MAX_LOCKS, 1, 1 };
+    for (int i = 0; i < 3; ++i) {
+        QByteArray file = data->file + ids[i];
+        do {
+            *sems[i] = sem_open(file.constData(), 0, 0666, 0);
+        } while (*sems[i] == SEM_FAILED && errno == EINTR);
+        if (create) {
+            if (*sems[i] != SEM_FAILED) {
+                sem_close(*sems[i]);
+                sem_unlink(file.constData());
+            }
+            do {
+                *sems[i] = sem_open(file.constData(), O_CREAT, 0666, initialValues[i]);
+            } while (*sems[i] == SEM_FAILED && errno == EINTR);
+        }
+    }
 #endif
     if (!isValid()) {
         qWarning("QLock::QLock: Cannot %s semaphore %s '%c' (%d, %s)",
@@ -193,17 +223,32 @@ QLock::~QLock()
 
     while (locked())
         unlock();
-#ifdef Q_NO_SEMAPHORE
+
+#if defined(QT_NO_SEMAPHORE)
     if (isValid())
         QT_CLOSE(data->id);
+#elif defined(QT_POSIX_IPC)
+    if (data->id != SEM_FAILED)
+        sem_close(data->id);
+    if (data->rsem != SEM_FAILED)
+        sem_close(data->rsem);
+    if (data->wsem != SEM_FAILED)
+        sem_close(data->wsem);
 #endif
+
     if (data->owned) {
-#ifdef Q_NO_SEMAPHORE
+#if defined(QT_NO_SEMAPHORE)
         unlink(data->file.constData());
-#else
+#elif !defined(QT_POSIX_IPC)
         qt_semun semval;
         semval.val = 0;
         semctl(data->id, 0, IPC_RMID, semval);
+#else
+        char ids[3] = { 'c', 'r', 'w' };
+        for (int i = 0; i < 3; ++i) {
+            QByteArray file = data->file + ids[i];
+            sem_unlink(file.constData());
+        }
 #endif
     }
     delete data;
@@ -216,7 +261,11 @@ QLock::~QLock()
 */
 bool QLock::isValid() const
 {
+#if !defined(QT_POSIX_IPC)
     return data && data->id != -1;
+#else
+    return data && data->id != SEM_FAILED && data->rsem != SEM_FAILED && data->wsem != SEM_FAILED;
+#endif
 }
 
 /*!
@@ -232,21 +281,48 @@ bool QLock::isValid() const
 */
 void QLock::lock(Type t)
 {
+    if (!isValid())
+        return;
+
     if (!data->count) {
         type = t;
 
         int rv;
-#ifdef Q_NO_SEMAPHORE
+#if defined(QT_NO_SEMAPHORE)
         int op = type == Write ? LOCK_EX : LOCK_SH;
 
         EINTR_LOOP(rv, flock(data->id, op));
-#else
+#elif !defined(QT_POSIX_IPC)
         sembuf sops;
         sops.sem_num = 0;
         sops.sem_op = type == Write ? -MAX_LOCKS : -1;
         sops.sem_flg = SEM_UNDO;
 
         EINTR_LOOP(rv, semop(data->id, &sops, 1));
+#else
+        if (type == Write) {
+            EINTR_LOOP(rv, sem_wait(data->rsem));
+            if (rv != -1) {
+                EINTR_LOOP(rv, sem_wait(data->wsem));
+                if (rv == -1)
+                    sem_post(data->rsem);
+            }
+        } else {
+            EINTR_LOOP(rv, sem_wait(data->wsem));
+            if (rv != -1) {
+                EINTR_LOOP(rv, sem_trywait(data->rsem));
+                if (rv != -1 || errno == EAGAIN) {
+                    EINTR_LOOP(rv, sem_wait(data->id));
+                    if (rv == -1) {
+                        int semval;
+                        sem_getvalue(data->id, &semval);
+                        if (semval == MAX_LOCKS)
+                            sem_post(data->rsem);
+                    }
+                }
+                rv = sem_post(data->wsem);
+            }
+        }
 #endif
         if (rv == -1) {
             qDebug("QLock::lock(): %s", strerror(errno));
@@ -265,19 +341,37 @@ void QLock::lock(Type t)
 */
 void QLock::unlock()
 {
-    if (data->count) {
+    if (!isValid())
+        return;
+
+    if (data->count > 0) {
         data->count--;
         if (!data->count) {
             int rv;
-#ifdef Q_NO_SEMAPHORE
+#if defined(QT_NO_SEMAPHORE)
             EINTR_LOOP(rv, flock(data->id, LOCK_UN));
-#else
+#elif !defined(QT_POSIX_IPC)
             sembuf sops;
             sops.sem_num = 0;
             sops.sem_op = type == Write ? MAX_LOCKS : 1;
             sops.sem_flg = SEM_UNDO;
 
             EINTR_LOOP(rv, semop(data->id, &sops, 1));
+#else
+            if (type == Write) {
+                sem_post(data->wsem);
+                rv = sem_post(data->rsem);
+            } else {
+                EINTR_LOOP(rv, sem_wait(data->wsem));
+                if (rv != -1) {
+                    sem_post(data->id);
+                    int semval;
+                    sem_getvalue(data->id, &semval);
+                    if (semval == MAX_LOCKS)
+                        sem_post(data->rsem);
+                    rv = sem_post(data->wsem);
+                }
+            }
 #endif
             if (rv == -1)
                 qDebug("QLock::unlock(): %s", strerror(errno));
diff --git a/src/gui/embedded/qmouselinuxinput_qws.cpp b/src/gui/embedded/qmouselinuxinput_qws.cpp
index efcf6d4..19a9a99 100644
--- a/src/gui/embedded/qmouselinuxinput_qws.cpp
+++ b/src/gui/embedded/qmouselinuxinput_qws.cpp
@@ -135,19 +135,21 @@ void QWSLinuxInputMousePrivate::readMouseData()
     int n = 0;
 
     forever {
-        n = QT_READ(m_fd, reinterpret_cast<char *>(buffer) + n, sizeof(buffer) - n);
-
-        if (n == 0) {
+        int bytesRead = QT_READ(m_fd, reinterpret_cast<char *>(buffer) + n, sizeof(buffer) - n);
+        if (bytesRead == 0) {
             qWarning("Got EOF from the input device.");
             return;
-        } else if (n < 0 && (errno != EINTR && errno != EAGAIN)) {
-            qWarning("Could not read from input device: %s", strerror(errno));
-            return;
-        } else if (n % sizeof(buffer[0]) == 0) {
+        }
+        if (bytesRead == -1) {
+            if (errno != EAGAIN)
+                qWarning("Could not read from input device: %s", strerror(errno));
             break;
         }
-    }
 
+        n += bytesRead;
+        if (n % sizeof(buffer[0]) == 0)
+            break;
+    }
     n /= sizeof(buffer[0]);
 
     for (int i = 0; i < n; ++i) {
diff --git a/src/gui/embedded/qmouseqnx_qws.cpp b/src/gui/embedded/qmouseqnx_qws.cpp
index a9647c0..d0b892e 100644
--- a/src/gui/embedded/qmouseqnx_qws.cpp
+++ b/src/gui/embedded/qmouseqnx_qws.cpp
@@ -39,14 +39,13 @@
 **
 ****************************************************************************/
 
-#include "qplatformdefs.h"
 #include "qmouseqnx_qws.h"
 
+#include "qplatformdefs.h"
 #include "qsocketnotifier.h"
-#include "qdebug.h"
+#include "private/qcore_unix_p.h"
 
 #include <sys/dcmd_input.h>
-
 #include <errno.h>
 
 QT_BEGIN_NAMESPACE
@@ -92,22 +91,28 @@ QT_BEGIN_NAMESPACE
 
     \sa QMouseDriverFactory
  */
-QQnxMouseHandler::QQnxMouseHandler(const QString & /*driver*/, const QString &device)
+QQnxMouseHandler::QQnxMouseHandler(const QString & driver, const QString &device)
+    : QObject(), QWSMouseHandler(driver, device), mouseButtons(Qt::NoButton)
 {
     // open the mouse device with O_NONBLOCK so reading won't block when there's no data
     mouseFD = QT_OPEN(device.isEmpty() ? "/dev/devi/mouse0" : device.toLatin1().constData(),
-                          QT_OPEN_RDONLY | O_NONBLOCK);
+                      QT_OPEN_RDONLY | O_NONBLOCK);
     if (mouseFD == -1) {
         qErrnoWarning(errno, "QQnxMouseHandler: Unable to open mouse device");
-        return;
+    } else {
+        struct _pointer_info data;
+        if (devctl(mouseFD, _POINTERGETINFO, &data, sizeof(data), NULL) == EOK)
+            absolutePositioning = (data.flags & _POINTER_FLAG_ABSOLUTE);
+        else
+            absolutePositioning = !device.isEmpty() && device.contains(QLatin1String("touch"));
+
+        // register a socket notifier on the file descriptor so we'll wake up whenever
+        // there's a mouse move waiting for us.
+        mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this);
+        connect(mouseNotifier, SIGNAL(activated(int)), SLOT(socketActivated()));
+
+        qDebug("QQnxMouseHandler: connected.");
     }
-
-    // register a socket notifier on the file descriptor so we'll wake up whenever
-    // there's a mouse move waiting for us.
-    mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this);
-    connect(mouseNotifier, SIGNAL(activated(int)), SLOT(socketActivated()));
-
-    qDebug() << "QQnxMouseHandler: connected.";
 }
 
 /*!
@@ -115,7 +120,8 @@ QQnxMouseHandler::QQnxMouseHandler(const QString & /*driver*/, const QString &de
  */
 QQnxMouseHandler::~QQnxMouseHandler()
 {
-    QT_CLOSE(mouseFD);
+    if (mouseFD != -1)
+        QT_CLOSE(mouseFD);
 }
 
 /*! \reimp */
@@ -140,39 +146,45 @@ void QQnxMouseHandler::suspend()
 */
 void QQnxMouseHandler::socketActivated()
 {
+    QPoint queuedPos = mousePos;
+
     // _mouse_packet is a QNX structure. devi-hid is nice enough to translate
     // the raw byte data from mouse devices into generic format for us.
-    _mouse_packet packet;
+    struct _mouse_packet buffer[32];
+    int n = 0;
 
-    int iteration = 0;
-
-    // read mouse events in batches of 10. Since we're getting quite a lot
-    // of mouse events, it's better to do them in batches than to return to the
-    // event loop every time.
-    do {
-        int bytesRead = QT_READ(mouseFD, &packet, sizeof(packet));
+    forever {
+        int bytesRead = QT_READ(mouseFD, reinterpret_cast<char *>(buffer) + n, sizeof(buffer) - n);
         if (bytesRead == -1) {
             // EAGAIN means that there are no more mouse events to read
             if (errno != EAGAIN)
-                qErrnoWarning(errno, "QQnxMouseHandler: Unable to read from socket");
-            return;
+                qErrnoWarning(errno, "QQnxMouseHandler: Could not read from input device");
+            break;
         }
 
-        // bytes read should always be equal to the size of a packet.
-        Q_ASSERT(bytesRead == sizeof(packet));
+        n += bytesRead;
+        if (n % sizeof(buffer[0]) == 0)
+            break;
+    }
+    n /= sizeof(buffer[0]);
 
-        // translate the coordinates from the QNX data structure to Qt coordinates
-        // note the swapped y axis
-        QPoint pos = mousePos;
-        pos += QPoint(packet.dx, -packet.dy);
+    for (int i = 0; i < n; ++i) {
+        const struct _mouse_packet &packet = buffer[i];
 
-        // QNX only tells us relative mouse movements, not absolute ones, so limit the
-        // cursor position manually to the screen
-        limitToScreen(pos);
+        // translate the coordinates from the QNX data structure to the Qt coordinates
+        if (absolutePositioning) {
+            queuedPos = QPoint(packet.dx, packet.dy);
+        } else {
+            // note the swapped y axis
+            queuedPos += QPoint(packet.dx, -packet.dy);
+
+            // QNX only tells us relative mouse movements, not absolute ones, so
+            // limit the cursor position manually to the screen
+            limitToScreen(queuedPos);
+        }
 
         // translate the QNX mouse button bitmask to Qt buttons
         int buttons = Qt::NoButton;
-
         if (packet.hdr.buttons & _POINTER_BUTTON_LEFT)
             buttons |= Qt::LeftButton;
         if (packet.hdr.buttons & _POINTER_BUTTON_MIDDLE)
@@ -180,11 +192,17 @@ void QQnxMouseHandler::socketActivated()
         if (packet.hdr.buttons & _POINTER_BUTTON_RIGHT)
             buttons |= Qt::RightButton;
 
-        // call mouseChanged() - this does all the magic to actually move the on-screen
-        // mouse cursor.
-        mouseChanged(pos, buttons, 0);
-    } while (++iteration < 11);
+        if (buttons != mouseButtons) {
+            // send the MouseEvent to avoid missing any clicks
+            mouseChanged(queuedPos, buttons, 0);
+            // mousePos updated by the mouseChanged()
+            queuedPos = mousePos;
+            mouseButtons = buttons;
+        }
+    }
+
+    if (queuedPos != mousePos)
+        mouseChanged(queuedPos, mouseButtons, 0);
 }
 
 QT_END_NAMESPACE
-
diff --git a/src/gui/embedded/qmouseqnx_qws.h b/src/gui/embedded/qmouseqnx_qws.h
index 2a5eef2..54deaf3 100644
--- a/src/gui/embedded/qmouseqnx_qws.h
+++ b/src/gui/embedded/qmouseqnx_qws.h
@@ -70,6 +70,8 @@ private Q_SLOTS:
 private:
     QSocketNotifier *mouseNotifier;
     int mouseFD;
+    int mouseButtons;
+    bool absolutePositioning;
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/embedded/qscreen_qws.h b/src/gui/embedded/qscreen_qws.h
index 2ecc6e7..5ff90f9 100644
--- a/src/gui/embedded/qscreen_qws.h
+++ b/src/gui/embedded/qscreen_qws.h
@@ -44,7 +44,7 @@
 
 #include <QtCore/qnamespace.h>
 #include <QtCore/qpoint.h>
-#include <QtCore/qlist.h>
+#include <QtCore/qstringlist.h>
 #include <QtGui/qrgb.h>
 #include <QtCore/qrect.h>
 #include <QtGui/qimage.h>
@@ -357,6 +357,7 @@ private:
     friend class QVNCScreen;
     friend class QLinuxFbScreen;
     friend class QVFbScreen;
+    friend class QQnxScreen;
     friend class QProxyScreen;
     friend class QIntfbScreen;
 #endif
diff --git a/src/gui/embedded/qscreenqnx_qws.cpp b/src/gui/embedded/qscreenqnx_qws.cpp
index 4afe087..d34e732 100644
--- a/src/gui/embedded/qscreenqnx_qws.cpp
+++ b/src/gui/embedded/qscreenqnx_qws.cpp
@@ -40,7 +40,9 @@
 ****************************************************************************/
 
 #include "qscreenqnx_qws.h"
-#include "qdebug.h"
+
+#include <qapplication.h>
+#include <qregexp.h>
 
 #include <gf/gf.h>
 
@@ -52,6 +54,10 @@ struct QQnxScreenContext
     inline QQnxScreenContext()
         : device(0), display(0), layer(0), hwSurface(0), memSurface(0), context(0)
     {}
+    inline ~QQnxScreenContext()
+    { cleanup(); }
+
+    void cleanup();
 
     gf_dev_t device;
     gf_dev_info_t deviceInfo;
@@ -64,6 +70,35 @@ struct QQnxScreenContext
     gf_context_t context;
 };
 
+void QQnxScreenContext::cleanup()
+{
+    if (context) {
+        gf_context_free(context);
+        context = 0;
+    }
+    if (memSurface) {
+        gf_surface_free(memSurface);
+        memSurface = 0;
+    }
+    if (hwSurface) {
+        gf_surface_free(hwSurface);
+        hwSurface = 0;
+    }
+    if (layer) {
+        gf_layer_detach(layer);
+        layer = 0;
+    }
+    if (display) {
+        gf_display_detach(display);
+        display = 0;
+    }
+    if (device) {
+        gf_dev_detach(device);
+        device = 0;
+    }
+}
+
+
 /*!
     \class QQnxScreen
     \preliminary
@@ -117,19 +152,23 @@ QQnxScreen::~QQnxScreen()
     delete d;
 }
 
-/*! \reimp
+/*!
+    \reimp
 */
 bool QQnxScreen::initDevice()
 {
-    // implement this if you have multiple processes that want to access the display
-    // (not required if QT_NO_QWS_MULTIPROCESS is set)
+#ifndef QT_NO_QWS_CURSOR
+    QScreenCursor::initSoftwareCursor();
+#endif
+
     return true;
 }
 
-/*! \internal
-  Attaches to the named device \a name.
+/*!
+    \internal
+    Attaches to the named device \a name.
 */
-static bool attachDevice(QQnxScreenContext * const d, const char *name)
+static inline bool attachDevice(QQnxScreenContext * const d, const char *name)
 {
     int ret = gf_dev_attach(&d->device, name, &d->deviceInfo);
     if (ret != GF_ERR_OK) {
@@ -139,193 +178,231 @@ static bool attachDevice(QQnxScreenContext * const d, const char *name)
     return true;
 }
 
-/*! \internal
-  Attaches to the display at index \a displayIndex.
- */
-static bool attachDisplay(QQnxScreenContext * const d, int displayIndex)
+/*!
+    \internal
+    Attaches to the display at index \a displayIndex.
+*/
+static inline bool attachDisplay(QQnxScreenContext * const d, int displayIndex)
 {
     int ret = gf_display_attach(&d->display, d->device, displayIndex, &d->displayInfo);
     if (ret != GF_ERR_OK) {
-        qWarning("QQnxScreen: gf_display_attach(%d) failed with error code %d",
-                displayIndex, ret);
+        qWarning("QQnxScreen: gf_display_attach(%d) failed with error code %d", displayIndex, ret);
         return false;
     }
     return true;
 }
 
-/*! \internal
-  Attaches to the layer \a layerIndex.
- */
-static bool attachLayer(QQnxScreenContext * const d, int layerIndex)
+/*!
+    \internal
+    Attaches to the layer \a layerIndex.
+*/
+static inline bool attachLayer(QQnxScreenContext * const d, int layerIndex)
 {
-    int ret = gf_layer_attach(&d->layer, d->display, layerIndex, 0);
+    unsigned flags = QApplication::type() != QApplication::GuiServer ? GF_LAYER_ATTACH_PASSIVE : 0;
+    int ret = gf_layer_attach(&d->layer, d->display, layerIndex, flags);
     if (ret != GF_ERR_OK) {
-        qWarning("QQnxScreen: gf_layer_attach(%d) failed with error code %d", layerIndex,
-                ret);
+        qWarning("QQnxScreen: gf_layer_attach(%d) failed with error code %d", layerIndex, ret);
         return false;
     }
-    gf_layer_enable(d->layer);
 
     return true;
 }
 
-/*! \internal
-  Creates a new hardware surface (usually on the Gfx card memory) with the dimensions \a w * \a h.
- */
-static bool createHwSurface(QQnxScreenContext * const d, int w, int h)
+/*!
+    \internal
+    Creates a new hardware surface (usually on the Gfx card memory) with the dimensions \a w * \a h.
+*/
+static inline bool createHwSurface(QQnxScreenContext * const d, int w, int h)
 {
     int ret = gf_surface_create_layer(&d->hwSurface, &d->layer, 1, 0,
-                w, h, GF_FORMAT_ARGB8888, 0, 0);
+                                      w, h, d->displayInfo.format, 0, 0);
     if (ret != GF_ERR_OK) {
-        qWarning("QQnxScreen: gf_surface_create_layer(%dx%d) failed with error code %d",
-                w, h, ret);
+        qWarning("QQnxScreen: gf_surface_create_layer(%dx%d) failed with error code %d", w, h, ret);
         return false;
     }
 
     gf_layer_set_surfaces(d->layer, &d->hwSurface, 1);
 
+    gf_layer_enable(d->layer);
+
     ret = gf_layer_update(d->layer, 0);
     if (ret != GF_ERR_OK) {
         qWarning("QQnxScreen: gf_layer_update() failed with error code %d\n", ret);
         return false;
     }
 
-    return true;
-}
-
-/*! \internal
-  Creates an in-memory, linear accessible surface of dimensions \a w * \a h.
-  This is the main surface that QWS blits to.
- */
-static bool createMemSurface(QQnxScreenContext * const d, int w, int h)
-{
-    // Note: gf_surface_attach() could also be used, so we'll create the buffer
-    // and let the surface point to it. Here, we use surface_create instead.
-
-    int ret = gf_surface_create(&d->memSurface, d->device, w, h,
-                GF_FORMAT_ARGB8888, 0,
-                GF_SURFACE_CREATE_CPU_FAST_ACCESS | GF_SURFACE_CREATE_CPU_LINEAR_ACCESSIBLE
-                | GF_SURFACE_PHYS_CONTIG | GF_SURFACE_CREATE_SHAREABLE);
+    ret = gf_context_create(&d->context);
     if (ret != GF_ERR_OK) {
-        qWarning("QQnxScreen: gf_surface_create(%dx%d) failed with error code %d",
-                w, h, ret);
+        qWarning("QQnxScreen: gf_context_create() failed with error code %d", ret);
         return false;
     }
 
-    gf_surface_get_info(d->memSurface, &d->memSurfaceInfo);
-
-    if (d->memSurfaceInfo.sid == unsigned(GF_SID_INVALID)) {
-        qWarning("QQnxScreen: gf_surface_get_info() failed.");
+    ret = gf_context_set_surface(d->context, d->hwSurface);
+    if (ret != GF_ERR_OK) {
+        qWarning("QQnxScreen: gf_context_set_surface() failed with error code %d", ret);
         return false;
     }
 
     return true;
 }
 
-/* \internal
-   Creates a QNX gf context and sets our memory surface on it.
- */
-static bool createContext(QQnxScreenContext * const d)
+/*!
+    \internal
+    Creates an in-memory, linear accessible surface of dimensions \a w * \a h.
+    This is the main surface that QWS blits to.
+*/
+static inline bool createMemSurface(QQnxScreenContext * const d, int w, int h)
 {
-    int ret = gf_context_create(&d->context);
+#ifndef QT_NO_QWS_MULTIPROCESS
+    if (QApplication::type() != QApplication::GuiServer) {
+        unsigned sidlist[64];
+        int n = gf_surface_sidlist(d->device, sidlist); // undocumented API
+        for (int i = 0; i < n; ++i) {
+            int ret = gf_surface_attach_by_sid(&d->memSurface, d->device, sidlist[i]);
+            if (ret == GF_ERR_OK) {
+                gf_surface_get_info(d->memSurface, &d->memSurfaceInfo);
+                if (d->memSurfaceInfo.sid != unsigned(GF_SID_INVALID)) {
+                    // can we use the surface's vaddr?
+                    unsigned flags = GF_SURFACE_CPU_LINEAR_READABLE | GF_SURFACE_CPU_LINEAR_WRITEABLE;
+                    if ((d->memSurfaceInfo.flags & flags) == flags)
+                        return true;
+                }
+
+                gf_surface_free(d->memSurface);
+                d->memSurface = 0;
+            }
+        }
+        qWarning("QQnxScreen: cannot attach to an usable surface; create a new one.");
+    }
+#endif
+    int ret = gf_surface_create(&d->memSurface, d->device, w, h, d->displayInfo.format, 0,
+                GF_SURFACE_CREATE_CPU_FAST_ACCESS | GF_SURFACE_CREATE_CPU_LINEAR_ACCESSIBLE
+                | GF_SURFACE_CREATE_PHYS_CONTIG | GF_SURFACE_CREATE_SHAREABLE);
     if (ret != GF_ERR_OK) {
-        qWarning("QQnxScreen: gf_context_create() failed with error code %d", ret);
+        qWarning("QQnxScreen: gf_surface_create(%dx%d) failed with error code %d",
+                 w, h, ret);
         return false;
     }
 
-    ret = gf_context_set_surface(d->context, d->memSurface);
-    if (ret != GF_ERR_OK) {
-        qWarning("QQnxScreen: gf_context_set_surface() failed with error code %d", ret);
+    gf_surface_get_info(d->memSurface, &d->memSurfaceInfo);
+
+    if (d->memSurfaceInfo.sid == unsigned(GF_SID_INVALID)) {
+        qWarning("QQnxScreen: gf_surface_get_info() failed.");
         return false;
     }
 
     return true;
 }
 
-/*! \reimp
-  Connects to QNX's io-display based device based on the \a displaySpec parameters
-  from the \c{QWS_DISPLAY} environment variable. See the QQnxScreen class documentation
-  for possible parameters.
+/*!
+    \reimp
+    Connects to QNX's io-display based device based on the \a displaySpec parameters
+    from the \c{QWS_DISPLAY} environment variable. See the QQnxScreen class documentation
+    for possible parameters.
 
-  \sa QQnxScreen
- */
+    \sa QQnxScreen
+*/
 bool QQnxScreen::connect(const QString &displaySpec)
 {
     const QStringList params = displaySpec.split(QLatin1Char(':'), QString::SkipEmptyParts);
 
-    bool isOk = false;
-    QRegExp deviceRegExp(QLatin1String("^device=(.+)$"));
-    if (params.indexOf(deviceRegExp) != -1) {
-        isOk = attachDevice(d, deviceRegExp.cap(1).toLocal8Bit().constData());
-    } else {
-        // no device specified - attach to device 0 (the default)
-        isOk = attachDevice(d, GF_DEVICE_INDEX(0));
+    // default to device 0
+    int deviceIndex = 0;
+    if (!params.isEmpty()) {
+        QRegExp deviceRegExp(QLatin1String("^device=(.+)$"));
+        if (params.indexOf(deviceRegExp) != -1)
+            deviceIndex = deviceRegExp.cap(1).toInt();
     }
 
-    if (!isOk)
+    if (!attachDevice(d, GF_DEVICE_INDEX(deviceIndex)))
         return false;
 
     qDebug("QQnxScreen: Attached to Device, number of displays: %d", d->deviceInfo.ndisplays);
 
-    // default to display 0
-    int displayIndex = 0;
-    QRegExp displayRegexp(QLatin1String("^display=(\\d+)$"));
-    if (params.indexOf(displayRegexp) != -1) {
-        displayIndex = displayRegexp.cap(1).toInt();
+    // default to display id passed to constructor
+    int displayIndex = displayId;
+    if (!params.isEmpty()) {
+        QRegExp displayRegexp(QLatin1String("^display=(\\d+)$"));
+        if (params.indexOf(displayRegexp) != -1)
+            displayIndex = displayRegexp.cap(1).toInt();
     }
 
     if (!attachDisplay(d, displayIndex))
         return false;
 
     qDebug("QQnxScreen: Attached to Display %d, resolution %dx%d, refresh %d Hz",
-            displayIndex, d->displayInfo.xres, d->displayInfo.yres,
-            d->displayInfo.refresh);
-
+            displayIndex, d->displayInfo.xres, d->displayInfo.yres, d->displayInfo.refresh);
 
     // default to main_layer_index from the displayInfo struct
-    int layerIndex = 0;
-    QRegExp layerRegexp(QLatin1String("^layer=(\\d+)$"));
-    if (params.indexOf(layerRegexp) != -1) {
-        layerIndex = layerRegexp.cap(1).toInt();
-    } else {
-        layerIndex = d->displayInfo.main_layer_index;
+    int layerIndex = d->displayInfo.main_layer_index;
+    if (!params.isEmpty()) {
+        QRegExp layerRegexp(QLatin1String("^layer=(\\d+)$"));
+        if (params.indexOf(layerRegexp) != -1)
+            layerIndex = layerRegexp.cap(1).toInt();
     }
 
     if (!attachLayer(d, layerIndex))
         return false;
 
+    // determine the pixel format and the pixel type
+    switch (d->displayInfo.format) {
+#if defined(QT_QWS_DEPTH_32) || defined(QT_QWS_DEPTH_GENERIC)
+        case GF_FORMAT_ARGB8888:
+            pixeltype = QScreen::BGRPixel;
+        // fall through
+        case GF_FORMAT_BGRA8888:
+            setPixelFormat(QImage::Format_ARGB32);
+            break;
+#endif
+#if defined(QT_QWS_DEPTH_24)
+        case GF_FORMAT_BGR888:
+            pixeltype = QScreen::BGRPixel;
+            setPixelFormat(QImage::Format_RGB888);
+            break;
+#endif
+#if defined(QT_QWS_DEPTH_16) || defined(QT_QWS_DEPTH_GENERIC)
+        case GF_FORMAT_PACK_RGB565:
+        case GF_FORMAT_PKLE_RGB565:
+        case GF_FORMAT_PKBE_RGB565:
+#if Q_BYTE_ORDER == Q_BIG_ENDIAN
+            setFrameBufferLittleEndian((d->displayInfo.format & GF_FORMAT_PKLE) == GF_FORMAT_PKLE);
+#endif
+            setPixelFormat(QImage::Format_RGB16);
+            break;
+#endif
+        default:
+            return false;
+    }
+
     // tell QWSDisplay the width and height of the display
     w = dw = d->displayInfo.xres;
     h = dh = d->displayInfo.yres;
-
-    // we only support 32 bit displays for now.
-    QScreen::d = 32;
+    QScreen::d = (d->displayInfo.format & GF_FORMAT_BPP);  // colour depth
 
     // assume 72 dpi as default, to calculate the physical dimensions if not specified
     const int defaultDpi = 72;
-
-    // Handle display physical size spec.
-    QRegExp mmWidthRegexp(QLatin1String("^mmWidth=(\\d+)$"));
-    if (params.indexOf(mmWidthRegexp) == -1) {
-        physWidth = qRound(dw * 25.4 / defaultDpi);
-    } else {
-        physWidth = mmWidthRegexp.cap(1).toInt();
+    // Handle display physical size
+    physWidth = qRound(dw * 25.4 / defaultDpi);
+    physHeight = qRound(dh * 25.4 / defaultDpi);
+    if (!params.isEmpty()) {
+        QRegExp mmWidthRegexp(QLatin1String("^mmWidth=(\\d+)$"));
+        if (params.indexOf(mmWidthRegexp) != -1)
+            physWidth = mmWidthRegexp.cap(1).toInt();
+
+        QRegExp mmHeightRegexp(QLatin1String("^mmHeight=(\\d+)$"));
+        if (params.indexOf(mmHeightRegexp) != -1)
+            physHeight = mmHeightRegexp.cap(1).toInt();
     }
 
-    QRegExp mmHeightRegexp(QLatin1String("^mmHeight=(\\d+)$"));
-    if (params.indexOf(mmHeightRegexp) == -1) {
-        physHeight = qRound(dh * 25.4 / defaultDpi);
-    } else {
-        physHeight = mmHeightRegexp.cap(1).toInt();
+    if (QApplication::type() == QApplication::GuiServer) {
+        // create a hardware surface with our dimensions. In the old days, it was possible
+        // to get a pointer directly to the hw surface, so we could blit directly. Now, we
+        // have to use one indirection more, because it's not guaranteed that the hw surface
+        // is mappable into our process.
+        if (!createHwSurface(d, w, h))
+            return false;
     }
 
-    // create a hardware surface with our dimensions. In the old days, it was possible
-    // to get a pointer directly to the hw surface, so we could blit directly. Now, we
-    // have to use one indirection more, because it's not guaranteed that the hw surface
-    // is mappable into our process.
-    if (!createHwSurface(d, w, h))
-        return false;
-
     // create an in-memory linear surface that is used by QWS. QWS will blit directly in here.
     if (!createMemSurface(d, w, h))
         return false;
@@ -338,72 +415,84 @@ bool QQnxScreen::connect(const QString &displaySpec)
     // the overall size of the in-memory buffer is linestep * height
     size = mapsize = lstep * h;
 
-    // create a QNX drawing context
-    if (!createContext(d))
-        return false;
-
-    // we're always using a software cursor for now. Initialize it here.
-    QScreenCursor::initSoftwareCursor();
-
     // done, the driver should be connected to the display now.
     return true;
 }
 
-/*! \reimp
- */
+/*!
+    \reimp
+*/
 void QQnxScreen::disconnect()
 {
-    if (d->context)
-        gf_context_free(d->context);
-
-    if (d->memSurface)
-        gf_surface_free(d->memSurface);
-
-    if (d->hwSurface)
-        gf_surface_free(d->hwSurface);
-
-    if (d->layer)
-        gf_layer_detach(d->layer);
-
-    if (d->display)
-        gf_display_detach(d->display);
-
-    if (d->device)
-        gf_dev_detach(d->device);
-
-    d->memSurface = 0;
-    d->hwSurface = 0;
-    d->context = 0;
-    d->layer = 0;
-    d->display = 0;
-    d->device = 0;
+    d->cleanup();
 }
 
-/*! \reimp
- */
+/*!
+    \reimp
+*/
 void QQnxScreen::shutdownDevice()
 {
 }
 
-
-/*! \reimp
-  QQnxScreen doesn't support setting the mode, use io-display instead.
- */
+/*!
+    \reimp
+    QQnxScreen doesn't support setting the mode, use io-display instead.
+*/
 void QQnxScreen::setMode(int,int,int)
 {
     qWarning("QQnxScreen: Unable to change mode, use io-display instead.");
 }
 
-/*! \reimp
- */
+/*!
+    \reimp
+*/
 bool QQnxScreen::supportsDepth(int depth) const
 {
-    // only 32-bit for the moment
-    return depth == 32;
+    gf_modeinfo_t displayMode;
+    for (int i = 0; gf_display_query_mode(d->display, i, &displayMode) == GF_ERR_OK; ++i) {
+        switch (displayMode.primary_format) {
+#if defined(QT_QWS_DEPTH_32) || defined(QT_QWS_DEPTH_GENERIC)
+            case GF_FORMAT_ARGB8888:
+            case GF_FORMAT_BGRA8888:
+                if (depth == 32)
+                    return true;
+                break;
+#endif
+#if defined(QT_QWS_DEPTH_24)
+            case GF_FORMAT_BGR888:
+                if (depth == 24)
+                    return true;
+                break;
+#endif
+#if defined(QT_QWS_DEPTH_16) || defined(QT_QWS_DEPTH_GENERIC)
+            case GF_FORMAT_PACK_RGB565:
+            case GF_FORMAT_PKLE_RGB565:
+            case GF_FORMAT_PKBE_RGB565:
+                if (depth == 16)
+                    return true;
+                break;
+#endif
+            default:
+                break;
+        }
+    }
+
+    return false;
 }
 
-/*! \reimp
- */
+/*!
+    \reimp
+*/
+void QQnxScreen::blank(bool on)
+{
+    int ret = gf_display_set_dpms(d->display, on ? GF_DPMS_OFF : GF_DPMS_ON);
+    if (ret != GF_ERR_OK)
+        qWarning("QQnxScreen: gf_display_set_dpms() failed with error code %d", ret);
+}
+
+/*!
+    \reimp
+*/
 void QQnxScreen::exposeRegion(QRegion r, int changing)
 {
     // here is where the actual magic happens. QWS will call exposeRegion whenever
@@ -414,6 +503,10 @@ void QQnxScreen::exposeRegion(QRegion r, int changing)
     QScreen::exposeRegion(r, changing);
 
     // now our in-memory surface should be up to date with the latest changes.
+
+    if (!d->hwSurface)
+        return;
+
     // the code below copies the region from the in-memory surface to the hardware.
 
     // just get the bounding rectangle of the region. Most screen updates are rectangular
@@ -432,16 +525,14 @@ void QQnxScreen::exposeRegion(QRegion r, int changing)
 
     // blit the changed region from the memory surface to the hardware surface
     ret = gf_draw_blit2(d->context, d->memSurface, d->hwSurface,
-            br.x(), br.y(), br.right(), br.bottom(), br.x(), br.y());
-    if (ret != GF_ERR_OK) {
+                        br.x(), br.y(), br.right(), br.bottom(), br.x(), br.y());
+    if (ret != GF_ERR_OK)
         qWarning("QQnxScreen: gf_draw_blit2() failed with error code %d", ret);
-    }
 
     // flush all drawing commands (in our case, a single blit)
     ret = gf_draw_flush(d->context);
-    if (ret != GF_ERR_OK) {
+    if (ret != GF_ERR_OK)
         qWarning("QQnxScreen: gf_draw_flush() failed with error code %d", ret);
-    }
 
     // tell QNX that we're done drawing.
     gf_draw_end(d->context);
diff --git a/src/gui/embedded/qscreenqnx_qws.h b/src/gui/embedded/qscreenqnx_qws.h
index 38c0ac9..6f6d18a 100644
--- a/src/gui/embedded/qscreenqnx_qws.h
+++ b/src/gui/embedded/qscreenqnx_qws.h
@@ -66,6 +66,7 @@ public:
     void shutdownDevice();
     void setMode(int,int,int);
     bool supportsDepth(int) const;
+    void blank(bool on);
 
     void exposeRegion(QRegion r, int changing);
 
diff --git a/src/gui/embedded/qwindowsystem_qws.cpp b/src/gui/embedded/qwindowsystem_qws.cpp
index 0e4e27c..36802a8 100644
--- a/src/gui/embedded/qwindowsystem_qws.cpp
+++ b/src/gui/embedded/qwindowsystem_qws.cpp
@@ -2494,7 +2494,7 @@ QWSWindow *QWSServer::windowAt(const QPoint& pos)
 }
 
 #ifndef QT_NO_QWS_KEYBOARD
-static int keyUnicode(int keycode)
+static inline int keyUnicode(int keycode)
 {
     int code = 0xffff;
 
@@ -2550,18 +2550,16 @@ void QWSServer::sendKeyEvent(int unicode, int keycode, Qt::KeyboardModifiers mod
 void QWSServerPrivate::sendKeyEventUnfiltered(int unicode, int keycode, Qt::KeyboardModifiers modifiers,
                                        bool isPress, bool autoRepeat)
 {
+    QWSWindow *win = keyboardGrabber ? keyboardGrabber : qwsServerPrivate->focusw;
 
-    QWSKeyEvent event;
-    QWSWindow *win = keyboardGrabber ? keyboardGrabber :
-        qwsServerPrivate->focusw;
-
-    event.simpleData.window = win ? win->winId() : 0;
-
-    event.simpleData.unicode =
 #ifndef QT_NO_QWS_KEYBOARD
-        unicode < 0 ? keyUnicode(keycode) :
+    if (unicode < 0)
+        unicode = keyUnicode(keycode);
 #endif
-        unicode;
+
+    QWSKeyEvent event;
+    event.simpleData.window = win ? win->winId() : 0;
+    event.simpleData.unicode = unicode;
     event.simpleData.keycode = keycode;
     event.simpleData.modifiers = modifiers;
     event.simpleData.is_press = isPress;
@@ -4127,11 +4125,11 @@ void QWSServer::processKeyEvent(int unicode, int keycode, Qt::KeyboardModifiers
 #endif
 
     // If we press a key and it's going to be blocked, wake up the screen
-    if ( block && isPress )
-        qwsServerPrivate->_q_screenSaverWake();
-
-    if ( block )
+    if (block) {
+        if (isPress)
+            qwsServerPrivate->_q_screenSaverWake();
         return;
+    }
 
     if (keyFilters) {
         for (int i = 0; i < keyFilters->size(); ++i) {
diff --git a/src/gui/embedded/qwslock.cpp b/src/gui/embedded/qwslock.cpp
index c14f50b..f9ea000 100644
--- a/src/gui/embedded/qwslock.cpp
+++ b/src/gui/embedded/qwslock.cpp
@@ -45,12 +45,15 @@
 
 #include "qwssignalhandler_p.h"
 
+#include <stdint.h>
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/ipc.h>
+#ifndef QT_POSIX_IPC
 #include <sys/sem.h>
+#endif
 #include <sys/time.h>
 #include <time.h>
 #ifdef Q_OS_LINUX
@@ -66,6 +69,12 @@ QT_BEGIN_NAMESPACE
 #error QWSLock currently requires semaphores
 #endif
 
+#ifdef QT_POSIX_IPC
+#include <QtCore/QAtomicInt>
+
+static QBasicAtomicInt localUniqueId = Q_BASIC_ATOMIC_INITIALIZER(1);
+#endif
+
 QWSLock::QWSLock(int id) : semId(id)
 {
     static unsigned short initialValues[3] = { 1, 1, 0 };
@@ -74,6 +83,7 @@ QWSLock::QWSLock(int id) : semId(id)
     QWSSignalHandler::instance()->addWSLock(this);
 #endif
 
+#ifndef QT_POSIX_IPC
     if (semId == -1) {
         semId = semget(IPC_PRIVATE, 3, IPC_CREAT | 0666);
         if (semId == -1) {
@@ -88,6 +98,30 @@ QWSLock::QWSLock(int id) : semId(id)
             qFatal("Unable to initialize semaphores");
         }
     }
+#else
+    sems[0] = sems[1] = sems[2] = SEM_FAILED;
+    owned = false;
+
+    if (semId == -1) {
+        // ### generate really unique IDs
+        semId = (getpid() << 16) + (localUniqueId.fetchAndAddRelaxed(1) % ushort(-1));
+        owned = true;
+    }
+
+    QByteArray pfx = "/qwslock_" + QByteArray::number(semId, 16) + '_';
+    QByteArray keys[3] = { pfx + "BackingStore", pfx + "Communication", pfx + "RegionEvent" };
+    for (int i = 0; i < 3; ++i) {
+        if (owned)
+            sem_unlink(keys[i].constData());
+        do {
+            sems[i] = sem_open(keys[i].constData(), (owned ? O_CREAT : 0), 0666, initialValues[i]);
+        } while (sems[i] == SEM_FAILED && errno == EINTR);
+        if (sems[i] == SEM_FAILED) {
+            perror("QWSLock::QWSLock");
+            qFatal("Unable to %s semaphore", (owned ? "create" : "open"));
+        }
+    }
+#endif
 
     lockCount[0] = lockCount[1] = 0;
 }
@@ -99,10 +133,27 @@ QWSLock::~QWSLock()
 #endif
 
     if (semId != -1) {
+#ifndef QT_POSIX_IPC
         qt_semun semval;
         semval.val = 0;
         semctl(semId, 0, IPC_RMID, semval);
         semId = -1;
+#else
+        // emulate the SEM_UNDO behavior for the BackingStore lock
+        while (hasLock(BackingStore))
+            unlock(BackingStore);
+
+        QByteArray pfx = "/qwslock_" + QByteArray::number(semId, 16) + '_';
+        QByteArray keys[3] = { pfx + "BackingStore", pfx + "Communication", pfx + "RegionEvent" };
+        for (int i = 0; i < 3; ++i) {
+            if (sems[i] != SEM_FAILED) {
+                sem_close(sems[i]);
+                sems[i] = SEM_FAILED;
+            }
+            if (owned)
+                sem_unlink(keys[i].constData());
+        }
+#endif
     }
 }
 
@@ -110,6 +161,7 @@ bool QWSLock::up(unsigned short semNum)
 {
     int ret;
 
+#ifndef QT_POSIX_IPC
     sembuf sops = { semNum, 1, 0 };
     // As the BackingStore lock is a mutex, and only one process may own
     // the lock, it's safe to use SEM_UNDO. On the other hand, the
@@ -119,6 +171,9 @@ bool QWSLock::up(unsigned short semNum)
         sops.sem_flg |= SEM_UNDO;
 
     EINTR_LOOP(ret, semop(semId, &sops, 1));
+#else
+    ret = sem_post(sems[semNum]);
+#endif
     if (ret == -1) {
         qDebug("QWSLock::up(): %s", strerror(errno));
         return false;
@@ -131,6 +186,7 @@ bool QWSLock::down(unsigned short semNum, int)
 {
     int ret;
 
+#ifndef QT_POSIX_IPC
     sembuf sops = { semNum, -1, 0 };
     // As the BackingStore lock is a mutex, and only one process may own
     // the lock, it's safe to use SEM_UNDO. On the other hand, the
@@ -140,6 +196,9 @@ bool QWSLock::down(unsigned short semNum, int)
         sops.sem_flg |= SEM_UNDO;
 
     EINTR_LOOP(ret, semop(semId, &sops, 1));
+#else
+    EINTR_LOOP(ret, sem_wait(sems[semNum]));
+#endif
     if (ret == -1) {
         qDebug("QWSLock::down(): %s", strerror(errno));
         return false;
@@ -150,7 +209,13 @@ bool QWSLock::down(unsigned short semNum, int)
 
 int QWSLock::getValue(unsigned short semNum) const
 {
-    int ret = semctl(semId, semNum, GETVAL, 0);
+    int ret;
+#ifndef QT_POSIX_IPC
+    ret = semctl(semId, semNum, GETVAL, 0);
+#else
+    if (sem_getvalue(sems[semNum], &ret) == -1)
+        ret = -1;
+#endif
     if (ret == -1)
         qDebug("QWSLock::getValue(): %s", strerror(errno));
     return ret;
diff --git a/src/gui/embedded/qwslock_p.h b/src/gui/embedded/qwslock_p.h
index d020b22..71a4cca 100644
--- a/src/gui/embedded/qwslock_p.h
+++ b/src/gui/embedded/qwslock_p.h
@@ -57,6 +57,10 @@
 
 #ifndef QT_NO_QWS_MULTIPROCESS
 
+#ifdef QT_POSIX_IPC
+#  include <semaphore.h>
+#endif
+
 QT_BEGIN_NAMESPACE
 
 class QWSLock
@@ -80,6 +84,10 @@ private:
 
     int semId;
     int lockCount[2];
+#ifdef QT_POSIX_IPC
+    sem_t *sems[3];
+    bool owned;
+#endif
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/embedded/qwssharedmemory.cpp b/src/gui/embedded/qwssharedmemory.cpp
index 66bedee..853de61 100644
--- a/src/gui/embedded/qwssharedmemory.cpp
+++ b/src/gui/embedded/qwssharedmemory.cpp
@@ -43,51 +43,102 @@
 
 #if !defined(QT_NO_QWS_MULTIPROCESS)
 
+#include <sys/types.h>
+#include <sys/ipc.h>
+#ifndef QT_POSIX_IPC
 #include <sys/shm.h>
+#else
+#include <sys/mman.h>
+#include <sys/stat.h>
+#endif
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <private/qcore_unix_p.h>
+
+//#define QT_SHM_DEBUG
 
 QT_BEGIN_NAMESPACE
 
-QWSSharedMemory::QWSSharedMemory()
-    : shmBase(0), shmSize(0), character(0),  shmId(-1), key(-1)
+#ifdef QT_POSIX_IPC
+#include <QtCore/QAtomicInt>
+
+static QBasicAtomicInt localUniqueId = Q_BASIC_ATOMIC_INITIALIZER(1);
+
+static inline QByteArray makeKey(int id)
 {
+    return "/qwsshm_" + QByteArray::number(id, 16);
 }
+#endif
 
+QWSSharedMemory::QWSSharedMemory()
+    : shmId(-1), shmBase(0), shmSize(0)
+#ifdef QT_POSIX_IPC
+    , hand(-1)
+#endif
+{
+}
 
 QWSSharedMemory::~QWSSharedMemory()
 {
     detach();
 }
 
-/*
-  man page says:
-    On  Linux,  it is possible to attach a shared memory segment even if it
-    is already marked to be deleted.  However, POSIX.1-2001 does not  spec-
-    ify this behaviour and many other implementations do not support it.
-*/
-
 bool QWSSharedMemory::create(int size)
 {
     if (shmId != -1)
         detach();
-    shmId = shmget(IPC_PRIVATE, size, IPC_CREAT|0600);
 
+#ifndef QT_POSIX_IPC
+    shmId = shmget(IPC_PRIVATE, size, IPC_CREAT | 0600);
+#else
+    // ### generate really unique IDs
+    shmId = (getpid() << 16) + (localUniqueId.fetchAndAddRelaxed(1) % ushort(-1));
+    QByteArray shmName = makeKey(shmId);
+    EINTR_LOOP(hand, shm_open(shmName.constData(), O_RDWR | O_CREAT, 0660));
+    if (hand != -1) {
+        // the size may only be set once; ignore errors
+        int ret;
+        EINTR_LOOP(ret, ftruncate(hand, size));
+        if (ret == -1)
+            shmId = -1;
+    } else {
+        shmId = -1;
+    }
+#endif
     if (shmId == -1) {
 #ifdef QT_SHM_DEBUG
-        perror("QWSSharedMemory::create allocating shared memory");
+        perror("QWSSharedMemory::create():");
         qWarning("Error allocating shared memory of size %d", size);
 #endif
+        detach();
         return false;
     }
-    shmBase = shmat(shmId,0,0);
+
+#ifndef QT_POSIX_IPC
+    shmBase = shmat(shmId, 0, 0);
+    // On Linux, it is possible to attach a shared memory segment even if it
+    // is already marked to be deleted. However, POSIX.1-2001 does not specify
+    // this behaviour and many other implementations do not support it.
     shmctl(shmId, IPC_RMID, 0);
-    if (shmBase == (void*)-1) {
+#else
+    // grab the size
+    QT_STATBUF st;
+    if (QT_FSTAT(hand, &st) != -1) {
+        shmSize = st.st_size;
+        // grab the memory
+        shmBase = mmap(0, shmSize, PROT_READ | PROT_WRITE, MAP_SHARED, hand, 0);
+    }
+#endif
+    if (shmBase == (void*)-1 || !shmBase) {
 #ifdef QT_SHM_DEBUG
-        perror("QWSSharedMemory::create attaching to shared memory");
+        perror("QWSSharedMemory::create():");
         qWarning("Error attaching to shared memory id %d", shmId);
 #endif
-        shmBase = 0;
+        detach();
         return false;
     }
+
     return true;
 }
 
@@ -95,91 +146,85 @@ bool QWSSharedMemory::attach(int id)
 {
     if (shmId == id)
         return id != -1;
-    if (shmId != -1)
-        detach();
 
-    shmBase = shmat(id,0,0);
-    if (shmBase == (void*)-1) {
+    detach();
+
+    if (id == -1)
+        return false;
+
+    shmId = id;
+#ifndef QT_POSIX_IPC
+    shmBase = shmat(shmId, 0, 0);
+#else
+    QByteArray shmName = makeKey(shmId);
+    EINTR_LOOP(hand, shm_open(shmName.constData(), O_RDWR, 0660));
+    if (hand != -1) {
+        // grab the size
+        QT_STATBUF st;
+        if (QT_FSTAT(hand, &st) != -1) {
+            shmSize = st.st_size;
+            // grab the memory
+            shmBase = mmap(0, shmSize, PROT_READ | PROT_WRITE, MAP_SHARED, hand, 0);
+        }
+    }
+#endif
+    if (shmBase == (void*)-1 || !shmBase) {
 #ifdef QT_SHM_DEBUG
-        perror("QWSSharedMemory::attach attaching to shared memory");
-        qWarning("Error attaching to shared memory 0x%x of size %d",
-                 id, size());
+        perror("QWSSharedMemory::attach():");
+        qWarning("Error attaching to shared memory id %d", shmId);
 #endif
-        shmBase = 0;
+        detach();
         return false;
     }
-    shmId = id;
+
     return true;
 }
 
-
-void QWSSharedMemory::detach ()
+void QWSSharedMemory::detach()
 {
-    if (!shmBase)
-        return;
-    shmdt (shmBase);
+#ifndef QT_POSIX_IPC
+    if (shmBase && shmBase != (void*)-1)
+        shmdt(shmBase);
+#else
+    if (shmBase && shmBase != (void*)-1)
+        munmap(shmBase, shmSize);
+    if (hand > 0) {
+        // get the number of current attachments
+        int shm_nattch = 0;
+        QT_STATBUF st;
+        if (QT_FSTAT(hand, &st) == 0) {
+            // subtract 2 from linkcount: one for our own open and one for the dir entry
+            shm_nattch = st.st_nlink - 2;
+        }
+        qt_safe_close(hand);
+        // if there are no attachments then unlink the shared memory
+        if (shm_nattch == 0) {
+            QByteArray shmName = makeKey(shmId);
+            shm_unlink(shmName.constData());
+        }
+    }
+#endif
     shmBase = 0;
     shmSize = 0;
     shmId = -1;
 }
 
-void QWSSharedMemory::setPermissions (mode_t mode)
-{
-  struct shmid_ds shm;
-  shmctl (shmId, IPC_STAT, &shm);
-  shm.shm_perm.mode = mode;
-  shmctl (shmId, IPC_SET, &shm);
-}
-
-int QWSSharedMemory::size () const
+int QWSSharedMemory::size() const
 {
-    struct shmid_ds shm;
-    shmctl (shmId, IPC_STAT, &shm);
-    return shm.shm_segsz;
-}
-
-
-// old API
-
-
-
-QWSSharedMemory::QWSSharedMemory (int size, const QString &filename, char c)
-{
-  shmSize = size;
-  shmFile = filename;
-  shmBase = 0;
-  shmId = -1;
-  character = c;
-  key = ftok (shmFile.toLatin1().constData(), c);
-}
-
-
-
-bool QWSSharedMemory::create ()
-{
-  shmId = shmget (key, shmSize, IPC_CREAT | 0666);
-  return (shmId != -1);
-}
-
-void QWSSharedMemory::destroy ()
-{
-    if (shmId != -1)
-        shmctl(shmId, IPC_RMID, 0);
-}
-
-bool QWSSharedMemory::attach ()
-{
-  if (shmId == -1)
-    shmId = shmget (key, shmSize, 0);
-
-  shmBase = shmat (shmId, 0, 0);
-  if ((long)shmBase == -1)
-      shmBase = 0;
+    if (shmId == -1)
+        return 0;
+
+#ifndef QT_POSIX_IPC
+    if (!shmSize) {
+        struct shmid_ds shm;
+        shmctl(shmId, IPC_STAT, &shm);
+        shmSize = shm.shm_segsz;
+    }
+#endif
 
-  return (long)shmBase != 0;
+    return shmSize;
 }
 
-
 QT_END_NAMESPACE
 
 #endif // QT_NO_QWS_MULTIPROCESS
diff --git a/src/gui/embedded/qwssharedmemory_p.h b/src/gui/embedded/qwssharedmemory_p.h
index 31e69c4..42ef6c8 100644
--- a/src/gui/embedded/qwssharedmemory_p.h
+++ b/src/gui/embedded/qwssharedmemory_p.h
@@ -53,49 +53,34 @@
 // We mean it.
 //
 
-#include "qplatformdefs.h"
-#include "QtCore/qstring.h"
+#include <qplatformdefs.h>
 
 QT_BEGIN_NAMESPACE
 
 #if !defined(QT_NO_QWS_MULTIPROCESS)
 
-class QWSSharedMemory {
+class QWSSharedMemory
+{
 public:
-
     QWSSharedMemory();
     ~QWSSharedMemory();
 
-    void setPermissions(mode_t mode);
-    int size() const;
-    void *address() { return shmBase; }
-
-    int id() const { return shmId; }
-
-    void detach();
-
     bool create(int size);
     bool attach(int id);
+    void detach();
 
-    //bool create(int size, const QString &filename, char c = 'Q');
-    //bool attach(const QString &filename, char c = 'Q');
-// old API
-
-    QWSSharedMemory(int, const QString &, char c = 'Q');
-    void * base() { return address(); }
-
-    bool create();
-    void destroy();
+    int id() const { return shmId; }
 
-    bool attach();
+    void *address() const { return shmBase; }
+    int size() const;
 
 private:
-    void *shmBase;
-    int shmSize;
-    QString shmFile;
-    char character;
     int shmId;
-    key_t key;
+    void *shmBase;
+    mutable int shmSize;
+#ifdef QT_POSIX_IPC
+    int hand;
+#endif
 };
 
 #endif // QT_NO_QWS_MULTIPROCESS
diff --git a/src/gui/graphicsview/qgraphicslayout.cpp b/src/gui/graphicsview/qgraphicslayout.cpp
index cd6416c..6fbe849 100644
--- a/src/gui/graphicsview/qgraphicslayout.cpp
+++ b/src/gui/graphicsview/qgraphicslayout.cpp
@@ -269,18 +269,8 @@ void QGraphicsLayout::activate()
         return;
     Q_ASSERT(!parentItem->isLayout());
 
-    if (QGraphicsLayout::instantInvalidatePropagation()) {
-        QGraphicsWidget *parentWidget = static_cast<QGraphicsWidget*>(parentItem);
-        if (!parentWidget->parentLayoutItem()) {
-            // we've reached the topmost widget, resize it
-            bool wasResized = parentWidget->testAttribute(Qt::WA_Resized);
-            parentWidget->resize(parentWidget->size());
-            parentWidget->setAttribute(Qt::WA_Resized, wasResized);
-        }
-
-        setGeometry(parentItem->contentsRect());    // relayout children
-    } else {
-        setGeometry(parentItem->contentsRect());    // relayout children
+    setGeometry(parentItem->contentsRect());    // relayout children
+    if (!QGraphicsLayout::instantInvalidatePropagation()) {
         parentLayoutItem()->updateGeometry();
     }
 }
@@ -478,7 +468,7 @@ static bool g_instantInvalidatePropagation = false;
 /*!
     \internal
     \since 4.8
-    \see instantInvalidatePropagation
+    \sa instantInvalidatePropagation()
 
     Calling this function with \a enable set to true will enable a feature that
     makes propagation of invalidation up to ancestor layout items to be done in
@@ -489,7 +479,7 @@ static bool g_instantInvalidatePropagation = false;
     invalid (not activated). This is the recommended behaviour.
 
     If not set it will also propagate up the parentLayoutItem() hierarchy, but
-    it will stop at the \i first \i widget it encounters, and post a layout
+    it will stop at the \e{first widget} it encounters, and post a layout
     request to the widget. When the layout request is consumed, this might
     cause it to continue propagation up to the parentLayoutItem() of the
     widget. It will continue in this fashion until it has reached a widget with
@@ -508,7 +498,7 @@ void QGraphicsLayout::setInstantInvalidatePropagation(bool enable)
 /*!
     \internal
     \since 4.8
-    \see setInstantInvalidatePropagation
+    \sa setInstantInvalidatePropagation()
 
     returns true if the complete widget/layout hierarchy is rearranged in one go.
 */
diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp
index 804394a..965b1b34 100644
--- a/src/gui/graphicsview/qgraphicswidget.cpp
+++ b/src/gui/graphicsview/qgraphicswidget.cpp
@@ -347,11 +347,10 @@ void QGraphicsWidget::setGeometry(const QRectF &rect)
 {
     QGraphicsWidgetPrivate *wd = QGraphicsWidget::d_func();
     QGraphicsLayoutItemPrivate *d = QGraphicsLayoutItem::d_ptr.data();
-    QRectF newGeom;
+    QRectF newGeom = rect;
     QPointF oldPos = d->geom.topLeft();
     if (!wd->inSetPos) {
         setAttribute(Qt::WA_Resized);
-        newGeom = rect;
         newGeom.setSize(rect.size().expandedTo(effectiveSizeHint(Qt::MinimumSize))
                                    .boundedTo(effectiveSizeHint(Qt::MaximumSize)));
 
@@ -405,14 +404,7 @@ void QGraphicsWidget::setGeometry(const QRectF &rect)
                 emit widthChanged();
             if (oldSize.height() != newGeom.size().height())
                 emit heightChanged();
-            QGraphicsLayout *lay = wd->layout;
-            if (QGraphicsLayout::instantInvalidatePropagation()) {
-                if (!lay || lay->isActivated()) {
-                    QApplication::sendEvent(this, &re);
-                }
-            } else {
-                QApplication::sendEvent(this, &re);
-            }
+            QApplication::sendEvent(this, &re);
         }
     }
 
@@ -1091,8 +1083,11 @@ void QGraphicsWidget::updateGeometry()
              * When the event is received, it will start flowing all the way down to the leaf
              * widgets in one go. This will make a relayout flicker-free.
              */
-            if (QGraphicsLayout::instantInvalidatePropagation())
-                QApplication::postEvent(static_cast<QGraphicsWidget *>(this), new QEvent(QEvent::LayoutRequest));
+            if (QGraphicsLayout::instantInvalidatePropagation()) {
+                Q_D(QGraphicsWidget);
+                ++d->refCountInvokeRelayout;
+                QMetaObject::invokeMethod(this, "_q_relayout", Qt::QueuedConnection);
+            }
         }
         if (!QGraphicsLayout::instantInvalidatePropagation()) {
             bool wasResized = testAttribute(Qt::WA_Resized);
diff --git a/src/gui/graphicsview/qgraphicswidget.h b/src/gui/graphicsview/qgraphicswidget.h
index 063be2d..5085817 100644
--- a/src/gui/graphicsview/qgraphicswidget.h
+++ b/src/gui/graphicsview/qgraphicswidget.h
@@ -234,6 +234,8 @@ protected:
 private:
     Q_DISABLE_COPY(QGraphicsWidget)
     Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QGraphicsWidget)
+    Q_PRIVATE_SLOT(d_func(), void _q_relayout())
+
     friend class QGraphicsScene;
     friend class QGraphicsScenePrivate;
     friend class QGraphicsView;
diff --git a/src/gui/graphicsview/qgraphicswidget_p.cpp b/src/gui/graphicsview/qgraphicswidget_p.cpp
index 8649dec..ca6713b 100644
--- a/src/gui/graphicsview/qgraphicswidget_p.cpp
+++ b/src/gui/graphicsview/qgraphicswidget_p.cpp
@@ -233,6 +233,18 @@ void QGraphicsWidgetPrivate::resolveLayoutDirection()
     }
 }
 
+/* private slot */
+void QGraphicsWidgetPrivate::_q_relayout()
+{
+    --refCountInvokeRelayout;
+    if (refCountInvokeRelayout == 0) {
+        Q_Q(QGraphicsWidget);
+        bool wasResized = q->testAttribute(Qt::WA_Resized);
+        q->resize(q->size()); // this will restrict the size
+        q->setAttribute(Qt::WA_Resized, wasResized);
+    }
+}
+
 QPalette QGraphicsWidgetPrivate::naturalWidgetPalette() const
 {
     Q_Q(const QGraphicsWidget);
@@ -903,4 +915,6 @@ void QGraphicsWidgetPrivate::setGeometryFromSetPos()
 
 QT_END_NAMESPACE
 
+#include "moc_qgraphicswidget.cpp"
+
 #endif //QT_NO_GRAPHICSVIEW
diff --git a/src/gui/graphicsview/qgraphicswidget_p.h b/src/gui/graphicsview/qgraphicswidget_p.h
index 398abc3..6ea2586 100644
--- a/src/gui/graphicsview/qgraphicswidget_p.h
+++ b/src/gui/graphicsview/qgraphicswidget_p.h
@@ -81,6 +81,7 @@ public:
           polished(0),
           inSetPos(0),
           autoFillBackground(0),
+          refCountInvokeRelayout(0),
           focusPolicy(Qt::NoFocus),
           focusNext(0),
           focusPrev(0),
@@ -106,6 +107,7 @@ public:
     QGraphicsLayout *layout;
     void setLayoutDirection_helper(Qt::LayoutDirection direction);
     void resolveLayoutDirection();
+    void _q_relayout();
 
     // Style
     QPalette palette;
@@ -179,11 +181,14 @@ public:
             return false;
         return (attributes & (1 << bit)) != 0;
     }
+    // 32 bits
+    quint32 refCountInvokeRelayout : 16;
     quint32 attributes : 10;
     quint32 inSetGeometry : 1;
     quint32 polished: 1;
     quint32 inSetPos : 1;
     quint32 autoFillBackground : 1;
+    quint32 padding : 2;    // feel free to use
 
     // Focus
     Qt::FocusPolicy focusPolicy;
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 61a228d..14322dc 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -2008,10 +2008,11 @@ void QImage::fill(uint pixel)
 
 /*!
     \fn void QImage::fill(Qt::GlobalColor color)
-
     \overload
-
     \since 4.8
+
+    Fills the image with the given \a color, described as a standard global
+    color.
  */
 
 void QImage::fill(Qt::GlobalColor color)
@@ -2022,7 +2023,7 @@ void QImage::fill(Qt::GlobalColor color)
 
 
 /*!
-    \fn void QImage::fill(Qt::GlobalColor color)
+    \fn void QImage::fill(const QColor &color)
 
     \overload
 
diff --git a/src/gui/image/qpixmap_mac.cpp b/src/gui/image/qpixmap_mac.cpp
index cb30161..bdf1f90 100644
--- a/src/gui/image/qpixmap_mac.cpp
+++ b/src/gui/image/qpixmap_mac.cpp
@@ -648,7 +648,7 @@ void QMacPixmapData::macCreatePixels()
     }
 
     if (pixels)
-        memcpy(base_pixels, pixels, pixelsSize);
+        memcpy(base_pixels, pixels, qMin(pixelsSize, (uint) numBytes));
     pixels = base_pixels;
     pixelsSize = numBytes;
 }
diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h
index 5b75aa1..f07843d 100644
--- a/src/gui/image/qpixmapdata_p.h
+++ b/src/gui/image/qpixmapdata_p.h
@@ -56,6 +56,10 @@
 #include <QtGui/qpixmap.h>
 #include <QtCore/qatomic.h>
 
+#ifdef Q_OS_SYMBIAN
+#include <QtGui/private/qvolatileimage_p.h>
+#endif
+
 QT_BEGIN_NAMESPACE
 
 class QImageReader;
@@ -135,6 +139,7 @@ public:
     }
 
 #if defined(Q_OS_SYMBIAN)
+    virtual QVolatileImage toVolatileImage() const { return QVolatileImage(); }
     virtual void* toNativeType(NativeType type);
     virtual void fromNativeType(void* pixmap, NativeType type);
 #endif
diff --git a/src/gui/inputmethod/qcoefepinputcontext_p.h b/src/gui/inputmethod/qcoefepinputcontext_p.h
index 433c0e9..5d3d8d9 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_p.h
+++ b/src/gui/inputmethod/qcoefepinputcontext_p.h
@@ -159,6 +159,7 @@ private:
     MFepPointerEventHandlerDuringInlineEdit *m_pointerHandler;
     QBasicTimer m_tempPreeditStringTimeout;
     bool m_hasTempPreeditString;
+    QString m_cachedPreeditString;
 
     int m_splitViewResizeBy;
     Qt::WindowStates m_splitViewPreviousWindowStates;
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index 10e7e44..d603540 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -141,6 +141,16 @@ QCoeFepInputContext::~QCoeFepInputContext()
 
 void QCoeFepInputContext::reset()
 {
+    Qt::InputMethodHints currentHints = Qt::ImhNone;
+    if (focusWidget()) {
+        QWidget *proxy = focusWidget()->focusProxy();
+        currentHints = proxy ? proxy->inputMethodHints() : focusWidget()->inputMethodHints();
+    }
+    // Store a copy of preedit text, if prediction is active and input context is reseted.
+    // This is to ensure that we can replace preedit string after losing focus to FEP manager's
+    // internal sub-windows.
+    if (m_cachedPreeditString.isEmpty() && !(currentHints & Qt::ImhNoPredictiveText))
+        m_cachedPreeditString = m_preeditString;
     commitCurrentString(true);
 }
 
@@ -175,6 +185,8 @@ void QCoeFepInputContext::setFocusWidget(QWidget *w)
 
 void QCoeFepInputContext::widgetDestroyed(QWidget *w)
 {
+    m_cachedPreeditString.clear();
+
     // Make sure that the input capabilities of whatever new widget got focused are queried.
     CCoeControl *ctrl = w->effectiveWinId();
     if (ctrl->IsFocused()) {
@@ -353,6 +365,11 @@ bool QCoeFepInputContext::symbianFilterEvent(QWidget *keyWidget, const QSymbianE
         }
     }
 
+    if (event->type() == QSymbianEvent::ResourceChangeEvent
+         && event->resourceChangeType() == KEikMessageFadeAllWindows) {
+        reset();
+    }
+
     return false;
 }
 
@@ -629,6 +646,7 @@ void QCoeFepInputContext::applyHints(Qt::InputMethodHints hints)
 {
     using namespace Qt;
 
+    reset();
     commitTemporaryPreeditString();
 
     const bool anynumbermodes = hints & (ImhDigitsOnly | ImhFormattedNumbersOnly | ImhDialableCharactersOnly);
@@ -855,6 +873,8 @@ void QCoeFepInputContext::ensureInputCapabilitiesChanged()
 void QCoeFepInputContext::translateInputWidget()
 {
     QGraphicsView *gv = qobject_cast<QGraphicsView *>(S60->splitViewLastWidget);
+    if (!gv)
+        return;
     QRect splitViewRect = qt_TRect2QRect(static_cast<CEikAppUi*>(S60->appUi())->ClientRect());
 
     QRectF cursor = gv->scene()->inputMethodQuery(Qt::ImMicroFocus).toRectF();
@@ -902,6 +922,8 @@ void QCoeFepInputContext::StartFepInlineEditL(const TDesC& aInitialInlineText,
     if (!w)
         return;
 
+    m_cachedPreeditString.clear();
+
     commitTemporaryPreeditString();
 
     QList<QInputMethodEvent::Attribute> attributes;
@@ -958,7 +980,10 @@ void QCoeFepInputContext::UpdateFepInlineTextL(const TDesC& aNewInlineText,
                                                    QVariant()));
     QString newPreeditString = qt_TDesC2QString(aNewInlineText);
     QInputMethodEvent event(newPreeditString, attributes);
-    if (newPreeditString.isEmpty() && m_preeditString.isEmpty()) {
+    if (!m_cachedPreeditString.isEmpty()) {
+        event.setCommitString(QLatin1String(""), -m_cachedPreeditString.length(), m_cachedPreeditString.length());
+        m_cachedPreeditString.clear();
+    } else if (newPreeditString.isEmpty() && m_preeditString.isEmpty()) {
         // In Symbian world this means "erase last character".
         event.setCommitString(QLatin1String(""), -1, 1);
     }
@@ -1148,7 +1173,18 @@ void QCoeFepInputContext::commitCurrentString(bool cancelFepTransaction)
 
     m_hasTempPreeditString = false;
 
-    if (cancelFepTransaction) {
+    //Only cancel FEP transactions with prediction, when there is still active window.
+    Qt::InputMethodHints currentHints = Qt::ImhNone;
+    if (focusWidget()) {
+        if (focusWidget()->focusProxy())
+            currentHints = focusWidget()->focusProxy()->inputMethodHints();
+        else
+            currentHints = focusWidget()->inputMethodHints();
+    }
+    bool predictive = !(currentHints & Qt::ImhNoPredictiveText);
+    bool widgetAndWindowAvailable = QApplication::activeWindow() && focusWidget();
+
+    if (cancelFepTransaction && ((predictive && widgetAndWindowAvailable) || !predictive)) {
         CCoeFep* fep = CCoeEnv::Static()->Fep();
         if (fep)
             fep->CancelTransaction();
diff --git a/src/gui/itemviews/qtableview.cpp b/src/gui/itemviews/qtableview.cpp
index 52fbfa5..617409f 100644
--- a/src/gui/itemviews/qtableview.cpp
+++ b/src/gui/itemviews/qtableview.cpp
@@ -1102,7 +1102,7 @@ void QTableView::setRootIndex(const QModelIndex &index)
 }
 
 /*!
-  \reimp
+  \internal
 */
 void QTableView::doItemsLayout()
 {
diff --git a/src/gui/kernel/qactiongroup.cpp b/src/gui/kernel/qactiongroup.cpp
index 8029dfb..cbab6aa 100644
--- a/src/gui/kernel/qactiongroup.cpp
+++ b/src/gui/kernel/qactiongroup.cpp
@@ -108,8 +108,8 @@ void QActionGroupPrivate::_q_actionHovered()
 
     \ingroup mainwindow-classes
 
-    In some situations it is useful to group actions together. For
-    example, if you have a \gui{Left Align} action, a \gui{Right
+    In some situations it is useful to group QAction objects together.
+    For example, if you have a \gui{Left Align} action, a \gui{Right
     Align} action, a \gui{Justify} action, and a \gui{Center} action,
     only one of these actions should be active at any one time. One
     simple way of achieving this is to group the actions together in
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index 5268698..c5ff799 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -714,6 +714,7 @@ void qt_event_request_showsheet(QWidget *w)
 {
     Q_ASSERT(qt_mac_is_macsheet(w));
 #ifdef QT_MAC_USE_COCOA
+    w->repaint();
     [NSApp beginSheet:qt_mac_window_for(w) modalForWindow:qt_mac_window_for(w->parentWidget())
         modalDelegate:nil didEndSelector:nil contextInfo:0];
 #else
@@ -2622,8 +2623,6 @@ OSStatus QApplicationPrivate::globalAppleEventProcessor(const AppleEvent *ae, Ap
     Return true if you want to stop the event from being processed.
     Return false for normal event dispatching. The default
     implementation returns false.
-
-    \sa macEventFilter(void *nsevent)
 */
 bool QApplication::macEventFilter(EventHandlerCallRef, EventRef)
 {
diff --git a/src/gui/kernel/qapplication_qpa.cpp b/src/gui/kernel/qapplication_qpa.cpp
index 98359e4..b23c15c 100644
--- a/src/gui/kernel/qapplication_qpa.cpp
+++ b/src/gui/kernel/qapplication_qpa.cpp
@@ -444,6 +444,9 @@ void QApplication::alert(QWidget *, int)
 {
 }
 
+/*!
+    \internal
+*/
 QPlatformNativeInterface *QApplication::platformNativeInterface()
 {
     QPlatformIntegration *pi = QApplicationPrivate::platformIntegration();
@@ -612,6 +615,9 @@ void QApplication::setMainWidget(QWidget *mainWidget)
 
 void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent *e)
 {
+    if (!e->widget)
+       return;
+
     // qDebug() << "handleMouseEvent" << tlw << ev.pos() << ev.globalPos() << hex << ev.buttons();
     static QWeakPointer<QWidget> implicit_mouse_grabber;
 
@@ -768,6 +774,10 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
 
 void QApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent *e)
 {
+
+    if (!e->widget)
+        return;
+
 //    QPoint localPoint = ev.pos();
     QPoint globalPoint = e->globalPos;
 //    bool trustLocalPoint = !!tlw; //is there something the local point can be local to?
@@ -842,12 +852,18 @@ void QApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEven
 
 void QApplicationPrivate::processEnterEvent(QWindowSystemInterfacePrivate::EnterEvent *e)
 {
+    if (!e->enter)
+        return;
+
     QApplicationPrivate::dispatchEnterLeave(e->enter.data(),0);
     qt_last_mouse_receiver = e->enter.data();
 }
 
 void QApplicationPrivate::processLeaveEvent(QWindowSystemInterfacePrivate::LeaveEvent *e)
 {
+    if (!e->leave)
+        return;
+
     QApplicationPrivate::dispatchEnterLeave(0,qt_last_mouse_receiver);
 
     if (e->leave.data() && !e->leave.data()->isAncestorOf(qt_last_mouse_receiver)) //(???) this should not happen
@@ -858,6 +874,9 @@ void QApplicationPrivate::processLeaveEvent(QWindowSystemInterfacePrivate::Leave
 
 void QApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent *e)
 {
+    if (!e->activated)
+        return;
+
     QApplication::setActiveWindow(e->activated.data());
 }
 
diff --git a/src/gui/kernel/qapplication_qws.cpp b/src/gui/kernel/qapplication_qws.cpp
index 14f7790..3b6a075 100644
--- a/src/gui/kernel/qapplication_qws.cpp
+++ b/src/gui/kernel/qapplication_qws.cpp
@@ -112,19 +112,6 @@
 
 #include <qvfbhdr.h>
 
-#ifndef QT_NO_QWS_MULTIPROCESS
-#ifdef QT_NO_QSHM
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#ifndef Q_OS_DARWIN
-# include <sys/sem.h>
-#endif
-#include <sys/socket.h>
-#else
-#include "private/qwssharedmemory_p.h"
-#endif
-#endif
-
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_DIRECTPAINTER
@@ -222,7 +209,7 @@ QString qws_dataDir()
     if (!S_ISDIR(buf.st_mode))
         qFatal("%s is not a directory", dataDir.constData());
 
-#if !defined(Q_OS_INTEGRITY) && !defined(Q_OS_VXWORKS)
+#if !defined(Q_OS_INTEGRITY) && !defined(Q_OS_VXWORKS) && !defined(Q_OS_QNX)
     if (buf.st_uid != getuid())
         qFatal("Qt for Embedded Linux data directory is not owned by user %d", getuid());
 
@@ -230,7 +217,7 @@ QString qws_dataDir()
         qFatal("Qt for Embedded Linux data directory has incorrect permissions: %s", dataDir.constData());
 #endif
 
-    result.append("/");
+    result.append(QLatin1Char('/'));
     return result;
 }
 
@@ -2197,6 +2184,11 @@ void qt_init(QApplicationPrivate *priv, int type)
     qws_screen_is_interlaced = read_bool_env_var("QWS_INTERLACE",false);
 
     const char *display = ::getenv("QWS_DISPLAY");
+
+#ifdef QT_QWS_DEFAULT_DRIVER_NAME
+    if (!display) display = QT_QWS_DEFAULT_DRIVER_NAME;
+#endif
+
     if (display)
         qws_display_spec = display; // since we setenv later!
 
@@ -3565,13 +3557,8 @@ bool QETWidget::translateKeyEvent(const QWSKeyEvent *event, bool grab) /* grab i
                         QEvent::KeyPress : QEvent::KeyRelease;
     bool autor = event->simpleData.is_auto_repeat;
     QString text;
-    char ascii = 0;
-    if (event->simpleData.unicode) {
-        QChar ch(event->simpleData.unicode);
-        if (ch.unicode() != 0xffff)
-            text += ch;
-        ascii = ch.toLatin1();
-    }
+    if (event->simpleData.unicode && event->simpleData.unicode != 0xffff)
+        text += QChar(event->simpleData.unicode);
     code = event->simpleData.keycode;
 
 #if defined QT3_SUPPORT && !defined(QT_NO_SHORTCUT)
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 899147f..086cfec 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -74,6 +74,7 @@
 # include <centralrepository.h>
 # include "qs60mainappui.h"
 # include "qinputcontext.h"
+# include <private/qgraphicssystemex_symbian_p.h>
 #endif
 
 #if defined(Q_WS_S60)
@@ -1530,6 +1531,11 @@ void QSymbianControl::HandleResourceChange(int resourceType)
             QResizeEvent e(qt_desktopWidget->size(), qt_desktopWidget->size());
             QApplication::sendEvent(qt_desktopWidget, &e);
         }
+        // Send resize event to dialogs so they can adjust their position if necessary.
+        if (qwidget->windowType() & Qt::Dialog) {
+            QResizeEvent e(qwidget->size(), qwidget->size());
+            QApplication::sendEvent(qwidget, &e);
+        }
         break;
     }
 #endif
@@ -1850,26 +1856,12 @@ void qt_init(QApplicationPrivate * /* priv */, int)
 #ifdef Q_SYMBIAN_SEMITRANSPARENT_BG_SURFACE
     QApplicationPrivate::instance()->useTranslucentEGLSurfaces = true;
 
-    const TUid KIvePropertyCat = {0x2726beef};
-    enum TIvePropertyChipType {
-        EVCBCM2727B1 = 0x00000000,
-        EVCBCM2763A0 = 0x04000100,
-        EVCBCM2763B0 = 0x04000102,
-        EVCBCM2763C0 = 0x04000103,
-        EVCBCM2763C1 = 0x04000104,
-        EVCBCMUnknown = 0x7fffffff
-    };
-
-    TInt chipType = EVCBCMUnknown;
-    if (RProperty::Get(KIvePropertyCat, 0 /*chip type*/, chipType) == KErrNone) {
-        if (chipType == EVCBCM2727B1) {
-            // We have only 32MB GPU memory. Use raster surfaces
-            // for transparent TLWs.
-            QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
-        }
-    } else {
+    if (QSymbianGraphicsSystemEx::hasBCM2727()) {
+        // We have only 32MB GPU memory. Use raster surfaces
+        // for transparent TLWs.
         QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
     }
+
     if (QApplicationPrivate::graphics_system_name == QLatin1String("raster"))
         QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
 #else
@@ -2027,7 +2019,7 @@ void QApplicationPrivate::openPopup(QWidget *popup)
     QApplicationPrivate::popupWidgets->append(popup);
 
     // Cancel focus widget pointer capture and long tap timer
-    if (QApplication::focusWidget()) {
+    if (QApplication::focusWidget() && QApplication::focusWidget()->effectiveWinId()) {
         static_cast<QSymbianControl*>(QApplication::focusWidget()->effectiveWinId())->CancelLongTapTimer();
         QApplication::focusWidget()->effectiveWinId()->SetPointerCapture(false);
         }
@@ -2278,6 +2270,7 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
 #if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
     case EEventDisplayChanged:
 #endif
+        {
         if (callSymbianEventFilters(symbianEvent))
             return 1;
         if (S60)
@@ -2289,6 +2282,12 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
             QResizeEvent e(qt_desktopWidget->size(), oldSize);
             QApplication::sendEvent(qt_desktopWidget, &e);
         }
+        // Close non-native QMenus (that should act like context menus, i.e. close
+        // automatically when the orientation changes).
+        QMenu *activeMenu = qobject_cast<QMenu *>(QApplication::activePopupWidget());
+        if (activeMenu)
+            activeMenu->close();
+        }
         return 0; // Propagate to CONE
     case EEventWindowVisibilityChanged:
         if (controlInMap) {
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 13ff85b..e32fdeb 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -320,7 +320,7 @@ static int qCocoaViewCount = 0;
 
             }
 
-            CGContextFlush(context);
+            CGContextSynchronize(context);
             qt_mac_release_graphics_context(context);
             return;
         }
diff --git a/src/gui/kernel/qdesktopwidget.qdoc b/src/gui/kernel/qdesktopwidget.qdoc
index f71155e..b93bcb3 100644
--- a/src/gui/kernel/qdesktopwidget.qdoc
+++ b/src/gui/kernel/qdesktopwidget.qdoc
@@ -151,6 +151,11 @@
      on Mac OS X, or the task bar on Windows). The default screen is used if
      \a screen is -1.
 
+     \note In Symbian devices the available geometry reported by QDesktopWidget is
+     not guaranteed to be correct at the time the geometry change resize event
+     is passed to widgets. The correct way to listen for available geometry changes
+     is to connect to the workAreaResized() signal of QDesktopWidget.
+
      \sa screenNumber(), screenGeometry()
 */
 
@@ -179,6 +184,11 @@
     Returns the geometry of the screen with index \a screen. The default
     screen is used if \a screen is -1.
 
+     \note In Symbian devices the screen geometry reported by QDesktopWidget is
+     not guaranteed to be correct at the time the geometry change resize event
+     is passed to widgets. The correct way to listen for screen geometry changes
+     is to connect to the resized() signal of QDesktopWidget.
+
     \sa screenNumber()
 */
 
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index bdd2fe4..de2d87e 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -3103,10 +3103,10 @@ QUrl QFileOpenEvent::url() const
 }
 
 /*!
-    \fn bool openFile(QFile &file, QIODevice::OpenMode flags) const
+    \fn bool QFileOpenEvent::openFile(QFile &file, QIODevice::OpenMode flags) const
 
-    Opens a QFile on the file referenced by this event.
-    Returns true if successful; otherwise returns false.
+    Opens a QFile on the \a file referenced by this event in the mode specified
+    by \a flags. Returns true if successful; otherwise returns false.
 
     This is necessary as some files cannot be opened by name, but require specific
     information stored in this event.
diff --git a/src/gui/kernel/qgenericplugin_qpa.cpp b/src/gui/kernel/qgenericplugin_qpa.cpp
index ca2fe7a..e7b65b7 100644
--- a/src/gui/kernel/qgenericplugin_qpa.cpp
+++ b/src/gui/kernel/qgenericplugin_qpa.cpp
@@ -53,7 +53,7 @@ QT_BEGIN_NAMESPACE
     \brief The QGenericPlugin class is an abstract base class for
     window-system related plugins in Qt QPA.
 
-    Note that this class is only available in \l{Qt QPA}.
+    Note that this class is only available in Qt QPA.
 
     A mouse plugin can be created by subclassing
     QGenericPlugin and reimplementing the pure virtual keys() and
diff --git a/src/gui/kernel/qgenericpluginfactory_qpa.cpp b/src/gui/kernel/qgenericpluginfactory_qpa.cpp
index 8db22fb..fb6a0d8 100644
--- a/src/gui/kernel/qgenericpluginfactory_qpa.cpp
+++ b/src/gui/kernel/qgenericpluginfactory_qpa.cpp
@@ -65,8 +65,7 @@ Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
     \brief The QGenericPluginFactory class creates window-system
     related plugin drivers in Qt QPA.
 
-    Note that this class is only available in \l{Qt QPA}.
-
+    Note that this class is only available in Qt QPA.
 
     \sa QGenericPlugin
 */
diff --git a/src/gui/kernel/qplatformclipboard_qpa.cpp b/src/gui/kernel/qplatformclipboard_qpa.cpp
index 7905185..f8e4b62 100644
--- a/src/gui/kernel/qplatformclipboard_qpa.cpp
+++ b/src/gui/kernel/qplatformclipboard_qpa.cpp
@@ -83,7 +83,7 @@ QPlatformClipboard::~QPlatformClipboard()
 
 }
 
-const QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode) const
+QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode)
 {
     //we know its clipboard
     Q_UNUSED(mode);
diff --git a/src/gui/kernel/qplatformclipboard_qpa.h b/src/gui/kernel/qplatformclipboard_qpa.h
index 41aa951..6a40fbc 100644
--- a/src/gui/kernel/qplatformclipboard_qpa.h
+++ b/src/gui/kernel/qplatformclipboard_qpa.h
@@ -59,7 +59,7 @@ class Q_GUI_EXPORT QPlatformClipboard
 public:
     virtual ~QPlatformClipboard();
 
-    virtual const QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard ) const;
+    virtual QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard);
     virtual void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard);
     virtual bool supportsMode(QClipboard::Mode mode) const;
     void emitChanged(QClipboard::Mode mode);
diff --git a/src/gui/kernel/qplatformcursor_qpa.cpp b/src/gui/kernel/qplatformcursor_qpa.cpp
index e612e2d..0695486 100644
--- a/src/gui/kernel/qplatformcursor_qpa.cpp
+++ b/src/gui/kernel/qplatformcursor_qpa.cpp
@@ -52,48 +52,46 @@ QT_BEGIN_NAMESPACE
 QList <QWeakPointer<QPlatformCursor> > QPlatformCursorPrivate::instances;
 
 /*!
-    \class QGraphicsSystemCursor
+    \class QPlatformCursor
 
-    \brief The QGraphicsSystemCursor class provides information about
+    \brief The QPlatformCursor class provides information about
     pointer device events (movement, buttons), and requests to change
     the currently displayed cursor.
 
-    Note that QGraphicsSystemCursor does not include any graphics for
+    Note that QPlatformCursor does not include any graphics for
     display. An application that sets a QCursor may provide its own
     graphics.
 
-    \sa QGraphicsSystemCursorImage
+    \sa QPlatformCursorImage
 */
 
 /*!
-    \fn virtual void QGraphicsSystemCursor::pointerEvent(const QMouseEvent & event)
+    \fn virtual void QPlatformCursor::pointerEvent(const QMouseEvent & event)
 
     This method is called by Qt whenever a QMouseEvent is generated by the
     underlying pointer input. \a event is a reference to the QMouseEvent in
     question. A default do-nothing implementation is provided.
-
-    \sa QApplicationPrivate::handleMouseEvent()
 */
 
 /*!
-    \fn virtual void QGraphicsSystemCursor::changeCursor(QCursor * widgetCursor, QWidget * widget)
+    \fn virtual void QPlatformCursor::changeCursor(QCursor * widgetCursor, QWidget * widget)
 
     \brief This method is called by Qt whenever the cursor graphic should be changed.
 
-    Implementation of this method is mandatory for a subclass of QGraphicsSystemCursor.
+    Implementation of this method is mandatory for a subclass of QPlatformCursor.
 
     \a widgetCursor is a pointer to the QCursor that should be displayed.
 
     \a widget is a pointer to the widget currently displayed at QCursor::pos(). Note
     that this may be 0 if the current position is not occupied by a displayed widget.
 
-    \sa QApplicationPrivate::handleMouseEvent(), QCursor::pos()
+    \sa QCursor::pos()
 */
 
 /*!
-    \fn QGraphicsSystemCursor::QGraphicsSystemCursor()
+    \fn QPlatformCursor::QPlatformCursor(QPlatformScreen *screen)
 
-    \brief Constructs a QGraphicsSystemCursor
+    Constructs a QPlatformCursor for the given \a screen.
 */
 QPlatformCursor::QPlatformCursor(QPlatformScreen *scr )
         : screen(scr)
@@ -106,12 +104,12 @@ QPlatformCursor::QPlatformCursor(QPlatformScreen *scr )
 // from src/gui/embedded/QGraphicsSystemCursorImage_qws.cpp
 
 /*!
-    \class QGraphicsSystemCursorImage
+    \class QPlatformCursorImage
 
-    \brief The QGraphicsSystemCursorImage class provides a set of graphics
+    \brief The QPlatformCursorImage class provides a set of graphics
     intended to be used as cursors.
 
-    \sa QGraphicsSystemCursor
+    \sa QPlatformCursor
 */
 
 static QPlatformCursorImage *systemCursorTable[Qt::LastCursor+1];
@@ -502,7 +500,7 @@ void QPlatformCursorImage::createSystemCursor(int id)
 }
 
 /*!
-    \fn void QGraphicsSystemCursorImage::set(Qt::CursorShape id)
+    \fn void QPlatformCursorImage::set(Qt::CursorShape id)
 
     \brief Calling this method sets the cursor image to the specified shape
 
@@ -531,15 +529,8 @@ void QPlatformCursorImage::set(Qt::CursorShape id)
 }
 
 /*!
-    \fn void QGraphicsSystemCursorImage::set(const QImage * image, int hx, int hy)
-
-    \brief Set the cursor image to the specified QImage, with the hotsport at (hx, hy)
-
-    \a image A pointer to a QImage
-
-    \a hx The x coordinate of the cursor's hotspot
-
-    \a hy the y coordinate of the cursor's hotspot
+    Sets the cursor image to the given \a image, with the hotspot at the
+    point specified by (\a hx, \a hy).
 */
 
 void QPlatformCursorImage::set(const QImage &image, int hx, int hy)
@@ -550,22 +541,19 @@ void QPlatformCursorImage::set(const QImage &image, int hx, int hy)
 }
 
 /*!
-    \fn void QGraphicsSystemCursorImage::set(const uchar *data, const uchar *mask, int width, int height, int hx, int hy)
-
-    \brief set the cursor image to the graphic represented by the combination of data, mask,
-    width, and height
-
-    \a data The pixel data of the graphic
-
-    \a mask Mask data for the graphic. pixels in data with a corresponding mask bit of 0 are not drawn
+    \fn void QPlatformCursorImage::set(const uchar *data, const uchar *mask, int width, int height, int hx, int hy)
 
-    \a width The width of the graphic in pixels
+    Sets the cursor image to the graphic represented by the combination of
+    \a data and \a mask, with dimensions given by \a width and \a height and a
+    hotspot at the point specified by (\a hx, \a hy).
 
-    \a height The height of the graphic in pixels
+    The image data specified by \a data must be supplied in the format
+    described by QImage::Format_Indexed8.
 
-    \a hx The X hotspot of the cursor graphic
-
-    \a hy The Y hotspot of the cursor graphic
+    The corresponding mask data specified by \a mask must be supplied in a
+    character array containing packed 1 bit per pixel format data, with any
+    padding bits at the end of the array. Bits of value 0 represent transparent
+    pixels in the image data.
 */
 void QPlatformCursorImage::set(const uchar *data, const uchar *mask,
                     int width, int height, int hx, int hy)
@@ -625,34 +613,23 @@ void QPlatformCursorImage::set(const uchar *data, const uchar *mask,
 }
 
 /*!
-    \fn QGraphicsSystemCursorImage::QGraphicsSystemCursorImage(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY)
-
-    \brief set the cursor image to the graphic represented by the combination of data, mask,
-    width, and height
-
-    \a data The pixel data of the graphic
-
-    \a mask Mask data for the graphic. pixels in data with a corresponding mask bit of 0 are not drawn
-
-    \a width The width of the graphic in pixels
-
-    \a height The height of the graphic in pixels
-
-    \a hotX The X hotspot of the cursor graphic
+    \fn QPlatformCursorImage::QPlatformCursorImage(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY)
 
-    \a hotY The Y hotspot of the cursor graphic
+    Sets the cursor image to the graphic represented by the combination of
+    \a data and \a mask, with dimensions given by \a width and \a height and a
+    hotspot at the point specified by (\a hotX, \a hotY).
 
-    \sa set
+    \sa set()
 */
 
 /*!
-  \fn QImage *QGraphicsSystemCursorImage::image()
+  \fn QImage *QPlatformCursorImage::image()
 
   \brief Return the cursor graphic as a pointer to a QImage
 */
 
 /*!
-    \fn QPoint QGraphicsSystemCursorImage::hotspot()
+    \fn QPoint QPlatformCursorImage::hotspot()
 
     \brief Return the cursor's hotspot
 */
diff --git a/src/gui/kernel/qplatformglcontext_qpa.cpp b/src/gui/kernel/qplatformglcontext_qpa.cpp
index 8daa5d4..5c56efb 100644
--- a/src/gui/kernel/qplatformglcontext_qpa.cpp
+++ b/src/gui/kernel/qplatformglcontext_qpa.cpp
@@ -191,17 +191,17 @@ void QPlatformGLContext::deleteQGLContext()
     which maps to the QPlatformGLContext.
 */
 
-/*! \fn void swapBuffers()
+/*! \fn void QPlatformGLContext::swapBuffers()
     Reimplement in subclass to native swap buffers calls
 */
 
-/*! getProcAddress(const QString& procName)
+/*! \fn void *QPlatformGLContext::getProcAddress(const QString &procName)
     Reimplement in subclass to native getProcAddr calls.
 
     Note: its convenient to use qPrintable(const QString &str) to get the const char * pointer
 */
 
-/*! platformWindowFormat() const
+/*! \fn QPlatformWindowFormat QPlatformGLContext::platformWindowFormat() const
     QWidget has the function qplatformWindowFormat(). That function is for the application
     programmer to request the format of the window and the context that he wants.
 
diff --git a/src/gui/kernel/qplatformintegration_qpa.cpp b/src/gui/kernel/qplatformintegration_qpa.cpp
index 972fb0a..29287fe 100644
--- a/src/gui/kernel/qplatformintegration_qpa.cpp
+++ b/src/gui/kernel/qplatformintegration_qpa.cpp
@@ -132,20 +132,20 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
     the recommended approach for making new platform plugin is to copy an existing plugin inside
     the QTSRCTREE/src/plugins/platform and develop the plugin inside the source tree.
 
-    The minimal platformintegration is the smallest platform integration it is possible to make,
+    The minimal platform integration is the smallest platform integration it is possible to make,
     which makes it an ideal starting point for new plugins. For a slightly more advanced plugin,
     consider reviewing the directfb plugin, or the testlite plugin.
 */
 
 /*!
-    \fn QPixmapData *createPixmapData(QPixmapData::PixelType type) const
+    \fn QPixmapData *QPlatformIntegration::createPixmapData(QPixmapData::PixelType type) const
 
     Factory function for QPixmapData. PixelType can be either PixmapType or BitmapType.
     \sa QPixmapData
 */
 
 /*!
-    \fn QPlatformWindow *createPlatformWindow(QWidget *widget, WId winId = 0) const
+    \fn QPlatformWindow *QPlatformIntegration::createPlatformWindow(QWidget *widget, WId winId = 0) const
 
     Factory function for QPlatformWindow. The widget parameter is a pointer to the top level
     widget(tlw) which the QPlatformWindow is suppose to be created for. The WId handle is actually
@@ -162,7 +162,7 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn QWindowSurface *createWindowSurface(QWidget *widget, WId winId) const
+    \fn QWindowSurface *QPlatformIntegration::createWindowSurface(QWidget *widget, WId winId) const
 
     Factory function for QWindowSurface. The QWidget parameter is a pointer to the
     top level widget(tlw) the window surface is created for. A QPlatformWindow is always created
@@ -175,7 +175,7 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn void moveToScreen(QWidget *window, int screen)
+    \fn void QPlatformIntegration::moveToScreen(QWidget *window, int screen)
 
     This function is called when a QWidget is displayed on screen, or the QWidget is to be
     displayed on a new screen. The QWidget parameter is a pointer to the top level widget and
@@ -187,14 +187,14 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn QList<QPlatformScreen *> screens() const
+    \fn QList<QPlatformScreen *> QPlatformIntegration::screens() const
 
     Accessor function to a list of all the screens on the current system. The screen with the
     index == 0 is the default/main screen.
 */
 
 /*!
-    \fn bool isVirtualDesktop()
+    \fn bool QPlatformIntegration::isVirtualDesktop()
 
     Returns if the current windowing system configuration defines all the screens to be one
     desktop(virtual desktop), or if each screen is a desktop of its own.
@@ -203,7 +203,7 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn QPixmap grabWindow(WId window, int x, int y, int width, int height) const
+    \fn QPixmap QPlatformIntegration::grabWindow(WId window, int x, int y, int width, int height) const
 
     This function is called when Qt needs to be able to grab the content of a window.
 
diff --git a/src/gui/kernel/qplatformscreen_qpa.cpp b/src/gui/kernel/qplatformscreen_qpa.cpp
index 87e40e4..2a1e7e4 100644
--- a/src/gui/kernel/qplatformscreen_qpa.cpp
+++ b/src/gui/kernel/qplatformscreen_qpa.cpp
@@ -66,12 +66,15 @@ QWidget *QPlatformScreen::topLevelAt(const QPoint & pos) const
     return 0;
 }
 
-/*! \fn physicalSize() const
-    Reimplement in subclass to return the physical size of the screen. This function is used by
-    QFont to convert point sizes to pixel sizes.
-
-    Default implementation takes the pixel size of the screen, considers a dpi of 100 and returns
-    the calculated (and probably wrong) physical size
+/*!
+    Reimplement this function in subclass to return the physical size of the
+    screen. This function is used by QFont to convert point sizes to pixel
+    sizes.
+
+    The default implementation takes the pixel size of the screen, considers a
+    resolution of 100 dots per inch, and returns the calculated physical size.
+    A device with a screen that has different resolutions will need to be
+    supported by a suitable reimplementation of this function.
 */
 QSize QPlatformScreen::physicalSize() const
 {
@@ -110,20 +113,20 @@ QPlatformScreen * QPlatformScreen::platformScreenForWidget(const QWidget *widget
     QPlatformScreen is also used by the public api QDesktopWidget for information about the desktop.
  */
 
-/*! \fn geometry() const
+/*! \fn QRect QPlatformScreen::geometry() const = 0
     Reimplement in subclass to return the pixel geometry of the screen
 */
 
-/*! \fn availableGeometry() const
+/*! \fn QRect QPlatformScreen::availableGeometry() const
     Reimplement in subclass to return the pixel geometry of the available space
     This normally is the desktop screen minus the task manager, global menubar etc.
 */
 
-/*! \fn depth() const
+/*! \fn int QPlatformScreen::depth() const = 0
     Reimplement in subclass to return current depth of the screen
 */
 
-/*! \fn format() const
+/*! \fn QImage::Format QPlatformScreen::format() const = 0
     Reimplement in subclass to return the image format which corresponds to the screen format
 */
 
diff --git a/src/gui/kernel/qplatformwindowformat_qpa.cpp b/src/gui/kernel/qplatformwindowformat_qpa.cpp
index e89b458..482ae68 100644
--- a/src/gui/kernel/qplatformwindowformat_qpa.cpp
+++ b/src/gui/kernel/qplatformwindowformat_qpa.cpp
@@ -122,8 +122,6 @@ public:
     \i \link setStencil() Stencil buffer.\endlink
     \i \link setStereo() Stereo buffers.\endlink
     \i \link setDirectRendering() Direct rendering.\endlink
-    \i \link setOverlay() Presence of an overlay.\endlink
-    \i \link setPlane() Plane of an overlay.\endlink
     \i \link setSampleBuffers() Multisample buffers.\endlink
     \endlist
 
@@ -168,7 +166,7 @@ public:
         United States and other countries.
     \endlegalese
 
-    \sa QPlatformContext, QWidget
+    \sa QPlatformGLContext, QWidget
 */
 
 /*!
@@ -182,8 +180,6 @@ public:
     \i \link setStencil() Stencil buffer:\endlink Enabled.
     \i \link setStereo() Stereo:\endlink Disabled.
     \i \link setDirectRendering() Direct rendering:\endlink Enabled.
-    \i \link setOverlay() Overlay:\endlink Disabled.
-    \i \link setPlane() Plane:\endlink 0 (i.e., normal plane).
     \i \link setSampleBuffers() Multisample buffers:\endlink Disabled.
     \endlist
 */
@@ -207,14 +203,10 @@ QPlatformWindowFormat::QPlatformWindowFormat()
     \snippet doc/src/snippets/code/src_opengl_qgl.cpp 3
 
     Note that there are QGL::FormatOption values to turn format settings
-    both on and off, e.g. QGL::DepthBuffer and QGL::NoDepthBuffer,
+    both on and off; e.g., QGL::DepthBuffer and QGL::NoDepthBuffer,
     QGL::DirectRendering and QGL::IndirectRendering, etc.
 
-    The \a plane parameter defaults to 0 and is the plane which this
-    format should be associated with. Not all OpenGL implementations
-    supports overlay/underlay rendering planes.
-
-    \sa defaultFormat(), setOption(), setPlane()
+    \sa defaultFormat(), setOption()
 */
 
 QPlatformWindowFormat::QPlatformWindowFormat(QPlatformWindowFormat::FormatOptions options)
@@ -619,8 +611,6 @@ QPlatformGLContext *QPlatformWindowFormat::sharedGLContext() const
     Otherwise returns false.
 
     WindowSurface is enabled by default.
-
-    \sa setOverlay()
 */
 
 /*!
@@ -628,9 +618,7 @@ QPlatformGLContext *QPlatformWindowFormat::sharedGLContext() const
 
     otherwise the QWidget will only have a QPlatformWindow.
 
-    This is useful for ie. QGLWidget where the QPlatformGLContext controls the surface.
-
-    \sa hasOverlay()
+    This is useful for QGLWidget where the QPlatformGLContext controls the surface.
 */
 
 void QPlatformWindowFormat::setWindowSurface(bool enable)
@@ -894,7 +882,7 @@ void QPlatformWindowFormat::setDefaultFormat(const QPlatformWindowFormat &f)
 }
 
 
-/*!
+/*
     Returns the default QPlatformWindowFormat for overlay contexts.
 
     The default overlay format is:
@@ -907,9 +895,7 @@ void QPlatformWindowFormat::setDefaultFormat(const QPlatformWindowFormat &f)
     \i \link setStencil() Stencil buffer:\endlink Disabled.
     \i \link setStereo() Stereo:\endlink Disabled.
     \i \link setDirectRendering() Direct rendering:\endlink Enabled.
-    \i \link setOverlay() Overlay:\endlink Disabled.
     \i \link setSampleBuffers() Multisample buffers:\endlink Disabled.
-    \i \link setPlane() Plane:\endlink 1 (i.e., first overlay plane).
     \endlist
 
     \sa setDefaultFormat()
diff --git a/src/gui/kernel/qsessionmanager_qws.cpp b/src/gui/kernel/qsessionmanager_qws.cpp
index efe688e..e437635 100644
--- a/src/gui/kernel/qsessionmanager_qws.cpp
+++ b/src/gui/kernel/qsessionmanager_qws.cpp
@@ -43,6 +43,9 @@
 
 #ifndef QT_NO_SESSIONMANAGER
 
+#include <qapplication.h>
+#include <private/qobject_p.h>
+
 QT_BEGIN_NAMESPACE
 
 class QSessionManagerPrivate : public QObjectPrivate
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 44fd877..a866da3 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -48,9 +48,6 @@
 
 #ifdef Q_WS_S60
 #include "private/qsoftkeymanager_s60_p.h"
-#endif
-
-#ifdef SYMBIAN_VERSION_SYMBIAN3
 #include "private/qt_s60_p.h"
 #endif
 
@@ -105,7 +102,7 @@ QSoftKeyManager::QSoftKeyManager() :
 QAction *QSoftKeyManager::createAction(StandardSoftKey standardKey, QWidget *actionWidget)
 {
     QAction *action = new QAction(standardSoftKeyText(standardKey), actionWidget);
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     int key = 0;
     switch (standardKey) {
     case OkSoftKey:
@@ -171,7 +168,7 @@ void QSoftKeyManager::cleanupHash(QObject *obj)
     Q_D(QSoftKeyManager);
     QAction *action = qobject_cast<QAction*>(obj);
     d->keyedActions.remove(action);
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     d->softKeyCommandActions.remove(action);
 #endif
 }
@@ -193,11 +190,14 @@ void QSoftKeyManager::sendKeyEvent()
 
 void QSoftKeyManager::updateSoftKeys()
 {
-    if (QApplication::activeWindow()) {
-        QSoftKeyManager::instance()->d_func()->pendingUpdate = true;
-        QEvent *event = new QEvent(QEvent::UpdateSoftKeys);
-        QApplication::postEvent(QSoftKeyManager::instance(), event);
-    }
+#ifdef Q_WS_S60
+    // Do not adjust softkeys if application is not the topmost one
+    if (S60->wsSession().GetFocusWindowGroup() != S60->windowGroup().WindowGroupId())
+        return;
+#endif
+    QSoftKeyManager::instance()->d_func()->pendingUpdate = true;
+    QEvent *event = new QEvent(QEvent::UpdateSoftKeys);
+    QApplication::postEvent(QSoftKeyManager::instance(), event);
 }
 
 bool QSoftKeyManager::appendSoftkeys(const QWidget &source, int level)
diff --git a/src/gui/kernel/qsoftkeymanager_common_p.h b/src/gui/kernel/qsoftkeymanager_common_p.h
index bf4c747..5b76e60 100644
--- a/src/gui/kernel/qsoftkeymanager_common_p.h
+++ b/src/gui/kernel/qsoftkeymanager_common_p.h
@@ -72,7 +72,7 @@ protected:
     QMultiHash<int, QAction*> requestedSoftKeyActions;
     QWidget *initialSoftKeySource;
     bool pendingUpdate;
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     QHash<QAction*, int> softKeyCommandActions;
 #endif
 };
diff --git a/src/gui/kernel/qsoftkeymanager_s60.cpp b/src/gui/kernel/qsoftkeymanager_s60.cpp
index ab71064..acdb0e5 100644
--- a/src/gui/kernel/qsoftkeymanager_s60.cpp
+++ b/src/gui/kernel/qsoftkeymanager_s60.cpp
@@ -113,7 +113,7 @@ void QSoftKeyManagerPrivateS60::ensureCbaVisibilityAndResponsiviness(CEikButtonG
 
 void QSoftKeyManagerPrivateS60::clearSoftkeys(CEikButtonGroupContainer &cba)
 {
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     QT_TRAP_THROWING(
         //EAknSoftkeyEmpty is used, because using -1 adds softkeys without actions on Symbian3
         cba.SetCommandL(0, EAknSoftkeyEmpty, KNullDesC);
@@ -297,7 +297,7 @@ bool QSoftKeyManagerPrivateS60::setSoftkey(CEikButtonGroupContainer &cba,
         QString text = softkeyText(*action);
         TPtrC nativeText = qt_QString2TPtrC(text);
         int command = S60_COMMAND_START + position;
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
         if (softKeyCommandActions.contains(action))
             command = softKeyCommandActions.value(action);
 #endif
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 778f1f1..b3bf365 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -4551,6 +4551,11 @@ void QWidgetPrivate::setGeometry_sys_helper(int x, int y, int w, int h, bool isM
 
     QPoint oldp = q->pos();
     QSize  olds = q->size();
+    // Apply size restrictions, applicable for Windows & Widgets.
+    if (QWExtra *extra = extraData()) {
+        w = qBound(extra->minw, w, extra->maxw);
+        h = qBound(extra->minh, h, extra->maxh);
+    }
     const bool isResize = (olds != QSize(w, h));
 
     if (!realWindow && !isResize && QPoint(x, y) == oldp)
@@ -4560,13 +4565,6 @@ void QWidgetPrivate::setGeometry_sys_helper(int x, int y, int w, int h, bool isM
         data.window_state = data.window_state & ~Qt::WindowMaximized;
 
     const bool visible = q->isVisible();
-    // Apply size restrictions, applicable for Windows & Widgets.
-    if (QWExtra *extra = extraData()) {
-        w = qMin(w, extra->maxw);
-        h = qMin(h, extra->maxh);
-        w = qMax(w, extra->minw);
-        h = qMax(h, extra->minh);
-    }
     data.crect = QRect(x, y, w, h);
 
     if (realWindow) {
diff --git a/src/gui/kernel/qwidget_qpa.cpp b/src/gui/kernel/qwidget_qpa.cpp
index a9bfba6..56c3010 100644
--- a/src/gui/kernel/qwidget_qpa.cpp
+++ b/src/gui/kernel/qwidget_qpa.cpp
@@ -129,6 +129,11 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 {
     Q_D(QWidget);
 
+    d->aboutToDestroy();
+    if (!isWindow() && parentWidget())
+        parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));
+    d->deactivateWidgetCleanup();
+
     if ((windowType() == Qt::Popup))
         qApp->d_func()->closePopup(this);
 
@@ -136,6 +141,8 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
     if (this == QApplicationPrivate::active_window)
         QApplication::setActiveWindow(0);
 
+    setAttribute(Qt::WA_WState_Created, false);
+
     if (windowType() != Qt::Desktop) {
         if (destroySubWindows) {
             QObjectList childList(children());
@@ -155,6 +162,8 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
                 d->hide_sys();
             }
         }
+
+        d->setWinId(0);
     }
 }
 
@@ -412,6 +421,7 @@ void QWidgetPrivate::hide_sys()
 {
     Q_Q(QWidget);
     q->setAttribute(Qt::WA_Mapped, false);
+    deactivateWidgetCleanup();
     if (!q->isWindow()) {
         QWidget *p = q->parentWidget();
         if (p &&p->isVisible()) {
@@ -681,8 +691,10 @@ int QWidget::metric(PaintDeviceMetric m) const
 /*!
     \preliminary
 
-    Sets the window to be the \a window specified.
-    The QWidget takes ownership of the \a surface.
+    Sets the window to be the platform \a window specified.
+
+    The widget takes ownership of the \a window. Any platform window
+    previously set on the widget will be destroyed.
 */
 void QWidget::setPlatformWindow(QPlatformWindow *window)
 {
@@ -711,6 +723,9 @@ QPlatformWindow *QWidget::platformWindow() const
     return 0;
 }
 
+/*!
+    Sets the platform window format for the widget to the \a format specified.
+*/
 void QWidget::setPlatformWindowFormat(const QPlatformWindowFormat &format)
 {
     if (isWindow() || testAttribute(Qt::WA_NativeWindow)) {
@@ -727,16 +742,26 @@ void QWidget::setPlatformWindowFormat(const QPlatformWindowFormat &format)
     }
 }
 
+/*!
+    Returns the platform window format for the widget.
+*/
 QPlatformWindowFormat QWidget::platformWindowFormat() const
 {
     Q_D(const QWidget);
 
+    QPlatformWindowFormat format;
+
     QTLWExtra *extra = d->maybeTopData();
     if (extra){
-        return extra->platformWindowFormat;
+        format = extra->platformWindowFormat;
     } else {
-        return QPlatformWindowFormat::defaultFormat();
+        format = QPlatformWindowFormat::defaultFormat();
     }
+
+    if (testAttribute(Qt::WA_TranslucentBackground))
+        format.setAlpha(true);
+
+    return format;
 }
 
 void QWidgetPrivate::createSysExtra()
diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri
index f1496b1..d5ae364 100644
--- a/src/gui/painting/painting.pri
+++ b/src/gui/painting/painting.pri
@@ -6,6 +6,7 @@ HEADERS += \
         painting/qcolor.h \
         painting/qcolor_p.h \
         painting/qcolormap.h \
+        painting/qcosmeticstroker_p.h \
         painting/qdrawutil.h \
         painting/qemulationpaintengine_p.h \
         painting/qgraphicssystem_p.h \
@@ -15,7 +16,7 @@ HEADERS += \
         painting/qoutlinemapper_p.h \
         painting/qpaintdevice.h \
         painting/qpaintengine.h \
-		painting/qpaintengine_p.h \
+        painting/qpaintengine_p.h \
         painting/qpaintengine_alpha_p.h \
         painting/qpaintengine_preview_p.h \
         painting/qpaintengineex_p.h \
@@ -54,6 +55,7 @@ SOURCES += \
         painting/qbrush.cpp \
         painting/qcolor.cpp \
         painting/qcolor_p.cpp \
+        painting/qcosmeticstroker.cpp \
         painting/qcssutil.cpp \
         painting/qdrawutil.cpp \
         painting/qemulationpaintengine.cpp \
diff --git a/src/gui/painting/qbrush.cpp b/src/gui/painting/qbrush.cpp
index 5d8f43b..79c4c4e 100644
--- a/src/gui/painting/qbrush.cpp
+++ b/src/gui/painting/qbrush.cpp
@@ -1826,9 +1826,9 @@ static QPointF qt_radial_gradient_adapt_focal_point(const QPointF &center,
     radius and \a focalPoint.
 
     \note If the given focal point is outside the circle defined by the
-    center (\a cx, \a cy) and the \a radius it will be re-adjusted to
-    the intersection between the line from the center to the focal point
-    and the circle.
+    \a center point and \a radius, it will be re-adjusted to lie at a point on
+    the circle where it intersects with the line from \a center to
+    \a focalPoint.
 
     \sa QGradient::setColorAt(), QGradient::setStops()
 */
@@ -1947,11 +1947,9 @@ QRadialGradient::QRadialGradient(const QPointF &center, qreal centerRadius, cons
 /*!
     \since 4.8
 
-    Constructs an extended radial gradient with the given \a center, \a
-    centerRadius, \a focalPoint, and \a focalRadius.
-    Constructs a radial gradient with the given center (\a cx, \a cy),
-    center radius \a centerRadius, focal point (\a fx, \a fy), and
-    focal radius \a focalRadius.
+    Constructs an extended radial gradient with the given center
+    (\a cx, \a cy), center radius, \a centerRadius, focal point, (\a fx, \a fy),
+    and focal radius \a focalRadius.
 */
 QRadialGradient::QRadialGradient(qreal cx, qreal cy, qreal centerRadius, qreal fx, qreal fy, qreal focalRadius)
 {
@@ -2049,7 +2047,7 @@ qreal QRadialGradient::centerRadius() const
     return m_data.radial.cradius;
 }
 
-/*
+/*!
    \since 4.8
 
    Sets the center radius of this radial gradient in logical coordinates
@@ -2080,7 +2078,7 @@ qreal QRadialGradient::focalRadius() const
     return u.f;
 }
 
-/*
+/*!
    \since 4.8
 
    Sets the focal radius of this radial gradient in logical coordinates
diff --git a/src/gui/painting/qcosmeticstroker.cpp b/src/gui/painting/qcosmeticstroker.cpp
new file mode 100644
index 0000000..cdc0978
--- /dev/null
+++ b/src/gui/painting/qcosmeticstroker.cpp
@@ -0,0 +1,1010 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcosmeticstroker_p.h"
+#include "private/qpainterpath_p.h"
+#include <qdebug.h>
+#include <math.h>
+
+QT_BEGIN_NAMESPACE
+
+#if 0
+inline QString capString(int caps)
+{
+    QString str;
+    if (caps & QCosmeticStroker::CapBegin) {
+        str += "CapBegin ";
+    }
+    if (caps & QCosmeticStroker::CapEnd) {
+        str += "CapEnd ";
+    }
+    return str;
+}
+#endif
+
+#define toF26Dot6(x) ((int)((x)*64.))
+
+static inline uint sourceOver(uint d, uint color)
+{
+    return color + BYTE_MUL(d, qAlpha(~color));
+}
+
+inline static int F16Dot16FixedDiv(int x, int y)
+{
+    if (qAbs(x) > 0x7fff)
+        return (((qlonglong)x) << 16) / y;
+    return (x << 16) / y;
+}
+
+typedef void (*DrawPixel)(QCosmeticStroker *stroker, int x, int y, int coverage);
+
+namespace {
+
+struct Dasher {
+    QCosmeticStroker *stroker;
+    int *pattern;
+    int offset;
+    int dashIndex;
+    int dashOn;
+
+    Dasher(QCosmeticStroker *s, bool reverse, int start, int stop)
+        : stroker(s)
+    {
+        int delta = stop - start;
+        if (reverse) {
+            pattern = stroker->reversePattern;
+            offset = stroker->patternLength - stroker->patternOffset - delta - ((start & 63) - 32);
+            dashOn = 0;
+        } else {
+            pattern = stroker->pattern;
+            offset = stroker->patternOffset - ((start & 63) - 32);
+            dashOn = 1;
+        }
+        offset %= stroker->patternLength;
+        if (offset < 0)
+            offset += stroker->patternLength;
+
+        dashIndex = 0;
+        while (offset>= pattern[dashIndex])
+            ++dashIndex;
+
+//        qDebug() << "   dasher" << offset/64. << reverse << dashIndex;
+        stroker->patternOffset += delta;
+        stroker->patternOffset %= stroker->patternLength;
+    }
+
+    bool on() const {
+        return (dashIndex + dashOn) & 1;
+    }
+    void adjust() {
+        offset += 64;
+        if (offset >= pattern[dashIndex]) {
+            ++dashIndex;
+            dashIndex %= stroker->patternSize;
+        }
+        offset %= stroker->patternLength;
+//        qDebug() << "dasher.adjust" << offset/64. << dashIndex;
+    }
+};
+
+struct NoDasher {
+    NoDasher(QCosmeticStroker *, bool, int, int) {}
+    bool on() const { return true; }
+    void adjust(int = 0) {}
+};
+
+};
+
+template<DrawPixel drawPixel, class Dasher>
+static void drawLine(QCosmeticStroker *stroker, qreal x1, qreal y1, qreal x2, qreal y2, int caps);
+template<DrawPixel drawPixel, class Dasher>
+static void drawLineAA(QCosmeticStroker *stroker, qreal x1, qreal y1, qreal x2, qreal y2, int caps);
+
+inline void drawPixel(QCosmeticStroker *stroker, int x, int y, int coverage)
+{
+    const QRect &cl = stroker->clip;
+    if (x < cl.x() || x > cl.right() || y < cl.y() || y > cl.bottom())
+        return;
+
+    int lastx = stroker->spans[stroker->current_span-1].x + stroker->spans[stroker->current_span-1].len ;
+    int lasty = stroker->spans[stroker->current_span-1].y;
+
+    if (stroker->current_span == QCosmeticStroker::NSPANS || y < lasty || (y == lasty && x < lastx)) {
+        stroker->blend(stroker->current_span, stroker->spans, &stroker->state->penData);
+        stroker->current_span = 0;
+    }
+
+    stroker->spans[stroker->current_span].x = ushort(x);
+    stroker->spans[stroker->current_span].len = 1;
+    stroker->spans[stroker->current_span].y = y;
+    stroker->spans[stroker->current_span].coverage = coverage*stroker->opacity >> 8;
+    ++stroker->current_span;
+}
+
+inline void drawPixelARGB32(QCosmeticStroker *stroker, int x, int y, int coverage)
+{
+    const QRect &cl = stroker->clip;
+    if (x < cl.x() || x > cl.right() || y < cl.y() || y > cl.bottom())
+        return;
+
+    int offset = x + stroker->ppl*y;
+    uint c = BYTE_MUL(stroker->color, coverage);
+    stroker->pixels[offset] = sourceOver(stroker->pixels[offset], c);
+}
+
+inline void drawPixelARGB32Opaque(QCosmeticStroker *stroker, int x, int y, int)
+{
+    const QRect &cl = stroker->clip;
+    if (x < cl.x() || x > cl.right() || y < cl.y() || y > cl.bottom())
+        return;
+
+    int offset = x + stroker->ppl*y;
+    stroker->pixels[offset] = sourceOver(stroker->pixels[offset], stroker->color);
+}
+
+enum StrokeSelection {
+    Aliased = 0,
+    AntiAliased = 1,
+    Solid = 0,
+    Dashed = 2,
+    RegularDraw = 0,
+    FastDraw = 4
+};
+
+static StrokeLine strokeLine(int strokeSelection)
+{
+    StrokeLine stroke;
+
+    switch (strokeSelection) {
+    case Aliased|Solid|RegularDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLine)<drawPixel, NoDasher>;
+        break;
+    case Aliased|Solid|FastDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLine)<drawPixelARGB32Opaque, NoDasher>;
+        break;
+    case Aliased|Dashed|RegularDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLine)<drawPixel, Dasher>;
+        break;
+    case Aliased|Dashed|FastDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLine)<drawPixelARGB32Opaque, Dasher>;
+        break;
+    case AntiAliased|Solid|RegularDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLineAA)<drawPixel, NoDasher>;
+        break;
+    case AntiAliased|Solid|FastDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLineAA)<drawPixelARGB32, NoDasher>;
+        break;
+    case AntiAliased|Dashed|RegularDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLineAA)<drawPixel, Dasher>;
+        break;
+    case AntiAliased|Dashed|FastDraw:
+        stroke = &QT_PREPEND_NAMESPACE(drawLineAA)<drawPixelARGB32, Dasher>;
+        break;
+    default:
+        Q_ASSERT(false);
+        stroke = 0;
+    }
+    return stroke;
+}
+
+void QCosmeticStroker::setup()
+{
+    blend = state->penData.blend;
+    if (state->clip && state->clip->enabled && state->clip->hasRectClip && !state->clip->clipRect.isEmpty()) {
+        clip &= state->clip->clipRect;
+        blend = state->penData.unclipped_blend;
+    }
+
+    int strokeSelection = 0;
+    if (blend == state->penData.unclipped_blend
+        && state->penData.type == QSpanData::Solid
+        && (state->penData.rasterBuffer->format == QImage::Format_ARGB32_Premultiplied
+            || state->penData.rasterBuffer->format == QImage::Format_RGB32)
+        && state->compositionMode() == QPainter::CompositionMode_SourceOver)
+        strokeSelection |= FastDraw;
+
+    if (state->renderHints & QPainter::Antialiasing)
+        strokeSelection |= AntiAliased;
+
+    const QVector<qreal> &penPattern = state->lastPen.dashPattern();
+    if (penPattern.isEmpty()) {
+        Q_ASSERT(!pattern && !reversePattern);
+        pattern = 0;
+        reversePattern = 0;
+        patternLength = 0;
+        patternSize = 0;
+    } else {
+        pattern = (int *)malloc(penPattern.size()*sizeof(int));
+        reversePattern = (int *)malloc(penPattern.size()*sizeof(int));
+        patternSize = penPattern.size();
+
+        patternLength = 0;
+        for (int i = 0; i < patternSize; ++i) {
+            patternLength += (int) qMax(1. , penPattern.at(i)*64.);
+            pattern[i] = patternLength;
+        }
+        patternLength = 0;
+        for (int i = 0; i < patternSize; ++i) {
+            patternLength += (int) qMax(1., penPattern.at(patternSize - 1 - i)*64.);
+            reversePattern[i] = patternLength;
+        }
+        strokeSelection |= Dashed;
+//        qDebug() << "setup: size=" << patternSize << "length=" << patternLength/64.;
+    }
+
+    stroke = strokeLine(strokeSelection);
+
+    qreal width = state->lastPen.widthF();
+    if (width == 0)
+        opacity = 256;
+    else if (state->lastPen.isCosmetic())
+        opacity = (int) 256*width;
+    else
+        opacity = (int) 256*width*state->txscale;
+    opacity = qBound(0, opacity, 256);
+
+    drawCaps = state->lastPen.capStyle() != Qt::FlatCap;
+
+    if (strokeSelection & FastDraw) {
+        color = INTERPOLATE_PIXEL_256(state->penData.solid.color, opacity, 0, 0);
+        QRasterBuffer *buffer = state->penData.rasterBuffer;
+        pixels = (uint *)buffer->buffer();
+        ppl = buffer->bytesPerLine()>>2;
+    }
+
+    // setup FP clip bounds
+    xmin = clip.left() - 1;
+    xmax = clip.right() + 2;
+    ymin = clip.top() - 1;
+    ymax = clip.bottom() + 2;
+
+    lastPixel.x = -1;
+}
+
+// returns true if the whole line gets clipped away
+bool QCosmeticStroker::clipLine(qreal &x1, qreal &y1, qreal &x2, qreal &y2)
+{
+    // basic/rough clipping is done in floating point coordinates to avoid
+    // integer overflow problems.
+    if (x1 < xmin) {
+        if (x2 <= xmin)
+            goto clipped;
+        y1 += (y2 - y1)/(x2 - x1) * (xmin - x1);
+        x1 = xmin;
+    } else if (x1 > xmax) {
+        if (x2 >= xmax)
+            goto clipped;
+        y1 += (y2 - y1)/(x2 - x1) * (xmax - x1);
+        x1 = xmax;
+    }
+    if (x2 < xmin) {
+        lastPixel.x = -1;
+        y2 += (y2 - y1)/(x2 - x1) * (xmin - x2);
+        x2 = xmin;
+    } else if (x2 > xmax) {
+        lastPixel.x = -1;
+        y2 += (y2 - y1)/(x2 - x1) * (xmax - x2);
+        x2 = xmax;
+    }
+
+    if (y1 < ymin) {
+        if (y2 <= ymin)
+            goto clipped;
+        x1 += (x2 - x1)/(y2 - y1) * (ymin - y1);
+        y1 = ymin;
+    } else if (y1 > ymax) {
+        if (y2 >= ymax)
+            goto clipped;
+        x1 += (x2 - x1)/(y2 - y1) * (ymax - y1);
+        y1 = ymax;
+    }
+    if (y2 < ymin) {
+        lastPixel.x = -1;
+        x2 += (x2 - x1)/(y2 - y1) * (ymin - y2);
+        y2 = ymin;
+    } else if (y2 > ymax) {
+        lastPixel.x = -1;
+        x2 += (x2 - x1)/(y2 - y1) * (ymax - y2);
+        y2 = ymax;
+    }
+
+    return false;
+
+  clipped:
+    lastPixel.x = -1;
+    return true;
+}
+
+
+void QCosmeticStroker::drawLine(const QPointF &p1, const QPointF &p2)
+{
+    QPointF start = p1 * state->matrix;
+    QPointF end = p2 * state->matrix;
+
+    patternOffset = state->lastPen.dashOffset()*64;
+    lastPixel.x = -1;
+
+    stroke(this, start.x(), start.y(), end.x(), end.y(), drawCaps ? CapBegin|CapEnd : 0);
+
+    blend(current_span, spans, &state->penData);
+    current_span = 0;
+}
+
+void QCosmeticStroker::drawPoints(const QPoint *points, int num)
+{
+    const QPoint *end = points + num;
+    while (points < end) {
+        QPointF p = QPointF(*points) * state->matrix;
+        drawPixel(this, qRound(p.x()), qRound(p.y()), 255);
+        ++points;
+    }
+
+    blend(current_span, spans, &state->penData);
+    current_span = 0;
+}
+
+void QCosmeticStroker::drawPoints(const QPointF *points, int num)
+{
+    const QPointF *end = points + num;
+    while (points < end) {
+        QPointF p = (*points) * state->matrix;
+        drawPixel(this, qRound(p.x()), qRound(p.y()), 255);
+        ++points;
+    }
+
+    blend(current_span, spans, &state->penData);
+    current_span = 0;
+}
+
+void QCosmeticStroker::calculateLastPoint(qreal rx1, qreal ry1, qreal rx2, qreal ry2)
+{
+    // this is basically the same code as used in the aliased stroke method,
+    // but it only determines the direction and last point of a line
+    //
+    // This is being used to have proper dropout control for closed contours
+    // by calculating the direction and last pixel of the last segment in the contour.
+    // the info is then used to perform dropout control when drawing the first line segment
+    // of the contour
+    lastPixel.x = -1;
+    lastPixel.y = -1;
+
+    if (clipLine(rx1, ry1, rx2, ry2))
+        return;
+
+    const int half = 32;
+    int x1 = toF26Dot6(rx1) + half;
+    int y1 = toF26Dot6(ry1) + half;
+    int x2 = toF26Dot6(rx2) + half;
+    int y2 = toF26Dot6(ry2) + half;
+
+    int dx = qAbs(x2 - x1);
+    int dy = qAbs(y2 - y1);
+
+    if (dx < dy) {
+        // vertical
+        bool swapped = false;
+        if (y1 > y2) {
+            swapped = true;
+            qSwap(y1, y2);
+            qSwap(x1, x2);
+            --x1; --x2; --y1; --y2;
+        }
+        int xinc = F16Dot16FixedDiv(x2 - x1, y2 - y1);
+        int x = x1 << 10;
+
+        int y = (y1+32) >> 6;
+        int ys = (y2+32) >> 6;
+
+        if (y != ys) {
+            x += ( ((((y << 6) + 32 - y1)))  * xinc ) >> 6;
+
+            if (swapped) {
+                lastPixel.x = x >> 16;
+                lastPixel.y = y;
+                lastDir = QCosmeticStroker::BottomToTop;
+            } else {
+                lastPixel.x = (x + (ys - y - 1)*xinc) >> 16;
+                lastPixel.y = ys - 1;
+                lastDir = QCosmeticStroker::TopToBottom;
+            }
+            lastAxisAligned = qAbs(xinc) < (1 << 14);
+        }
+    } else {
+        // horizontal
+        if (!dx)
+            return;
+
+        bool swapped = false;
+        if (x1 > x2) {
+            swapped = true;
+            qSwap(x1, x2);
+            qSwap(y1, y2);
+            --x1; --x2; --y1; --y2;
+        }
+        int yinc = F16Dot16FixedDiv(y2 - y1, x2 - x1);
+        int y = y1 << 10;
+
+        int x = (x1+32) >> 6;
+        int xs = (x2+32) >> 6;
+
+        if (x != xs) {
+            y += ( ((((x << 6) + 32 - x1)))  * yinc ) >> 6;
+
+            if (swapped) {
+                lastPixel.x = x;
+                lastPixel.y = y >> 16;
+                lastDir = QCosmeticStroker::RightToLeft;
+            } else {
+                lastPixel.x = xs - 1;
+                lastPixel.y = (y + (xs - x - 1)*yinc) >> 16;
+                lastDir = QCosmeticStroker::LeftToRight;
+            }
+            lastAxisAligned = qAbs(yinc) < (1 << 14);
+        }
+    }
+//    qDebug() << "   moveTo: setting last pixel to x/y dir" << lastPixel.x << lastPixel.y << lastDir;
+}
+
+static inline const QPainterPath::ElementType *subPath(const QPainterPath::ElementType *t, const QPainterPath::ElementType *end,
+                                                 const qreal *points, bool *closed)
+{
+    const QPainterPath::ElementType *start = t;
+    ++t;
+
+    // find out if the subpath is closed
+    while (t < end) {
+        if (*t == QPainterPath::MoveToElement)
+            break;
+        ++t;
+    }
+
+    int offset = t - start - 1;
+//    qDebug() << "subpath" << offset << points[0] << points[1] << points[2*offset] << points[2*offset+1];
+    *closed = (points[0] == points[2*offset] && points[1] == points[2*offset + 1]);
+
+    return t;
+}
+
+void QCosmeticStroker::drawPath(const QVectorPath &path)
+{
+//    qDebug() << ">>>> drawpath" << path.convertToPainterPath()
+//             << "antialiasing:" << (bool)(state->renderHints & QPainter::Antialiasing) << " implicit close:" << path.hasImplicitClose();
+    if (path.isEmpty())
+        return;
+
+    const qreal *points = path.points();
+    const QPainterPath::ElementType *type = path.elements();
+
+    if (type) {
+        const QPainterPath::ElementType *end = type + path.elementCount();
+
+        while (type < end) {
+            Q_ASSERT(type == path.elements() || *type == QPainterPath::MoveToElement);
+
+            QPointF p = QPointF(points[0], points[1]) * state->matrix;
+            QPointF movedTo = p;
+            patternOffset = state->lastPen.dashOffset()*64;
+            lastPixel.x = -1;
+
+            bool closed;
+            const QPainterPath::ElementType *e = subPath(type, end, points, &closed);
+            if (closed) {
+                const qreal *p = points + 2*(e-type);
+                QPointF p1 = QPointF(p[-4], p[-3]) * state->matrix;
+                QPointF p2 = QPointF(p[-2], p[-1]) * state->matrix;
+                calculateLastPoint(p1.x(), p1.y(), p2.x(), p2.y());
+            }
+            int caps = (!closed & drawCaps) ? CapBegin : NoCaps;
+//            qDebug() << "closed =" << closed << capString(caps);
+
+            points += 2;
+            ++type;
+
+            while (type < e) {
+                QPointF p2 = QPointF(points[0], points[1]) * state->matrix;
+                switch (*type) {
+                case QPainterPath::MoveToElement:
+                    Q_ASSERT(!"Logic error");
+                    break;
+
+                case QPainterPath::LineToElement:
+                    if (!closed && drawCaps && type == e - 1)
+                        caps |= CapEnd;
+                    stroke(this, p.x(), p.y(), p2.x(), p2.y(), caps);
+                    p = p2;
+                    points += 2;
+                    ++type;
+                    break;
+
+                case QPainterPath::CurveToElement: {
+                    if (!closed && drawCaps && type == e - 3)
+                        caps |= CapEnd;
+                    QPointF p3 = QPointF(points[2], points[3]) * state->matrix;
+                    QPointF p4 = QPointF(points[4], points[5]) * state->matrix;
+                    renderCubic(p, p2, p3, p4, caps);
+                    p = p4;
+                    type += 3;
+                    points += 6;
+                    break;
+                }
+                case QPainterPath::CurveToDataElement:
+                    Q_ASSERT(!"QPainterPath::toSubpathPolygons(), bad element type");
+                    break;
+                }
+                caps = NoCaps;
+            }
+        }
+    } else { // !type, simple polygon
+        QPointF p = QPointF(points[0], points[1]) * state->matrix;
+        QPointF movedTo = p;
+        patternOffset = state->lastPen.dashOffset()*64;
+        lastPixel.x = -1;
+
+        const qreal *end = points + 2*path.elementCount();
+        // handle closed path case
+        bool closed = path.hasImplicitClose() || (points[0] == end[-2] && points[1] == end[-1]);
+        int caps = (!closed & drawCaps) ? CapBegin : NoCaps;
+        if (closed) {
+            QPointF p2 = QPointF(end[-2], end[-1]) * state->matrix;
+            calculateLastPoint(p2.x(), p2.y(), p.x(), p.y());
+        }
+
+        points += 2;
+        while (points < end) {
+            QPointF p2 = QPointF(points[0], points[1]) * state->matrix;
+
+            if (!closed && drawCaps && points == end - 2)
+                caps |= CapEnd;
+
+            stroke(this, p.x(), p.y(), p2.x(), p2.y(), caps);
+
+            p = p2;
+            points += 2;
+            caps = NoCaps;
+        }
+        if (path.hasImplicitClose())
+            stroke(this, p.x(), p.y(), movedTo.x(), movedTo.y(), NoCaps);
+    }
+
+
+    blend(current_span, spans, &state->penData);
+    current_span = 0;
+}
+
+void QCosmeticStroker::renderCubic(const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4, int caps)
+{
+//    qDebug() << ">>>> renderCubic" << p1 << p2 << p3 << p4 << capString(caps);
+    const int maxSubDivisions = 6;
+    PointF points[3*maxSubDivisions + 4];
+
+    points[3].x = p1.x();
+    points[3].y = p1.y();
+    points[2].x = p2.x();
+    points[2].y = p2.y();
+    points[1].x = p3.x();
+    points[1].y = p3.y();
+    points[0].x = p4.x();
+    points[0].y = p4.y();
+
+    PointF *p = points;
+    int level = maxSubDivisions;
+
+    renderCubicSubdivision(p, level, caps);
+}
+
+static void splitCubic(QCosmeticStroker::PointF *points)
+{
+    const qreal half = .5;
+    qreal  a, b, c, d;
+
+    points[6].x = points[3].x;
+    c = points[1].x;
+    d = points[2].x;
+    points[1].x = a = ( points[0].x + c ) * half;
+    points[5].x = b = ( points[3].x + d ) * half;
+    c = ( c + d ) * half;
+    points[2].x = a = ( a + c ) * half;
+    points[4].x = b = ( b + c ) * half;
+    points[3].x = ( a + b ) * half;
+
+    points[6].y = points[3].y;
+    c = points[1].y;
+    d = points[2].y;
+    points[1].y = a = ( points[0].y + c ) * half;
+    points[5].y = b = ( points[3].y + d ) * half;
+    c = ( c + d ) * half;
+    points[2].y = a = ( a + c ) * half;
+    points[4].y = b = ( b + c ) * half;
+    points[3].y = ( a + b ) * half;
+}
+
+void QCosmeticStroker::renderCubicSubdivision(QCosmeticStroker::PointF *points, int level, int caps)
+{
+    if (level) {
+        qreal dx = points[3].x - points[0].x;
+        qreal dy = points[3].y - points[0].y;
+        qreal len = ((qreal).25) * (qAbs(dx) + qAbs(dy));
+
+        if (qAbs(dx * (points[0].y - points[2].y) - dy * (points[0].x - points[2].x)) >= len ||
+            qAbs(dx * (points[0].y - points[1].y) - dy * (points[0].x - points[1].x)) >= len) {
+            splitCubic(points);
+
+            --level;
+            renderCubicSubdivision(points + 3, level, caps & CapBegin);
+            renderCubicSubdivision(points, level, caps & CapEnd);
+            return;
+        }
+    }
+
+    stroke(this, points[3].x, points[3].y, points[0].x, points[0].y, caps);
+}
+
+static inline int swapCaps(int caps)
+{
+    return ((caps & QCosmeticStroker::CapBegin) << 1) |
+           ((caps & QCosmeticStroker::CapEnd) >> 1);
+}
+
+// adjust line by half a pixel
+static inline void capAdjust(int caps, int &x1, int &x2, int &y, int yinc)
+{
+    if (caps & QCosmeticStroker::CapBegin) {
+        x1 -= 32;
+        y -= yinc >> 1;
+    }
+    if (caps & QCosmeticStroker::CapEnd) {
+        x2 += 32;
+    }
+}
+
+/*
+  The hard part about this is dropout control and avoiding douple drawing of points when
+  the drawing shifts from horizontal to vertical or back.
+  */
+template<DrawPixel drawPixel, class Dasher>
+static void drawLine(QCosmeticStroker *stroker, qreal rx1, qreal ry1, qreal rx2, qreal ry2, int caps)
+{
+    if (stroker->clipLine(rx1, ry1, rx2, ry2))
+        return;
+
+    static const int half = 32;
+    int x1 = toF26Dot6(rx1) + half;
+    int y1 = toF26Dot6(ry1) + half;
+    int x2 = toF26Dot6(rx2) + half;
+    int y2 = toF26Dot6(ry2) + half;
+
+    int dx = qAbs(x2 - x1);
+    int dy = qAbs(y2 - y1);
+
+    QCosmeticStroker::Point last = stroker->lastPixel;
+
+//    qDebug() << "stroke" << x1/64. << y1/64. << x2/64. << y2/64. << capString(caps);
+
+    if (dx < dy) {
+        // vertical
+
+        bool swapped = false;
+        if (y1 > y2) {
+            swapped = true;
+            qSwap(y1, y2);
+            qSwap(x1, x2);
+            caps = swapCaps(caps);
+            --x1; --x2; --y1; --y2;
+        }
+        int xinc = F16Dot16FixedDiv(x2 - x1, y2 - y1);
+        int x = x1 << 10;
+
+        capAdjust(caps, y1, y2, x, xinc);
+
+        int y = (y1+32) >> 6;
+        int ys = (y2+32) >> 6;
+
+        if (y != ys) {
+            x += ( ((((y << 6) + 32 - y1)))  * xinc ) >> 6;
+
+            // calculate first and last pixel and perform dropout control
+            QCosmeticStroker::Direction dir = QCosmeticStroker::TopToBottom;
+            QCosmeticStroker::Point first;
+            first.x = x >> 16;
+            first.y = y;
+            last.x = (x + (ys - y - 1)*xinc) >> 16;
+            last.y = ys - 1;
+            if (swapped) {
+                qSwap(first, last);
+                dir = QCosmeticStroker::BottomToTop;
+            }
+            bool axisAligned = qAbs(xinc) < (1 << 14);
+            if (stroker->lastPixel.x >= 0) {
+                if (first.x == stroker->lastPixel.x &&
+                    first.y == stroker->lastPixel.y) {
+                    // remove duplicated pixel
+                    if (swapped) {
+                        --ys;
+                    } else {
+                        ++y;
+                        x += xinc;
+                    }
+                } else if (stroker->lastDir != dir &&
+                           (((axisAligned && stroker->lastAxisAligned) &&
+                             stroker->lastPixel.x != first.x && stroker->lastPixel.y != first.y) ||
+                            (qAbs(stroker->lastPixel.x - first.x) > 1 &&
+                             qAbs(stroker->lastPixel.y - first.y) > 1))) {
+                    // have a missing pixel, insert it
+                    if (swapped) {
+                        ++ys;
+                    } else {
+                        --y;
+                        x -= xinc;
+                    }
+                }
+            }
+            stroker->lastDir = dir;
+            stroker->lastAxisAligned = axisAligned;
+
+            Dasher dasher(stroker, swapped, y << 6, ys << 6);
+
+            do {
+                if (dasher.on())
+                    drawPixel(stroker, x >> 16, y, 255);
+                dasher.adjust();
+                x += xinc;
+            } while (++y < ys);
+        }
+    } else {
+        // horizontal
+        if (!dx)
+            return;
+
+        bool swapped = false;
+        if (x1 > x2) {
+            swapped = true;
+            qSwap(x1, x2);
+            qSwap(y1, y2);
+            caps = swapCaps(caps);
+            --x1; --x2; --y1; --y2;
+        }
+        int yinc = F16Dot16FixedDiv(y2 - y1, x2 - x1);
+        int y = y1 << 10;
+
+        capAdjust(caps, x1, x2, y, yinc);
+
+        int x = (x1+32) >> 6;
+        int xs = (x2+32) >> 6;
+
+
+        if (x != xs) {
+            y += ( ((((x << 6) + 32 - x1)))  * yinc ) >> 6;
+
+            // calculate first and last pixel to perform dropout control
+            QCosmeticStroker::Direction dir = QCosmeticStroker::LeftToRight;
+            QCosmeticStroker::Point first;
+            first.x = x;
+            first.y = y >> 16;
+            last.x = xs - 1;
+            last.y = (y + (xs - x - 1)*yinc) >> 16;
+            if (swapped) {
+                qSwap(first, last);
+                dir = QCosmeticStroker::RightToLeft;
+            }
+            bool axisAligned = qAbs(yinc) < (1 << 14);
+            if (stroker->lastPixel.x >= 0) {
+                if (first.x == stroker->lastPixel.x && first.y == stroker->lastPixel.y) {
+                    // remove duplicated pixel
+                    if (swapped) {
+                        --xs;
+                    } else {
+                        ++x;
+                        y += yinc;
+                    }
+                } else if (stroker->lastDir != dir &&
+                           (((axisAligned && stroker->lastAxisAligned) &&
+                             stroker->lastPixel.x != first.x && stroker->lastPixel.y != first.y) ||
+                            (qAbs(stroker->lastPixel.x - first.x) > 1 &&
+                             qAbs(stroker->lastPixel.y - first.y) > 1))) {
+                    // have a missing pixel, insert it
+                    if (swapped) {
+                        ++xs;
+                    } else {
+                        --x;
+                        y -= yinc;
+                    }
+                }
+            }
+            stroker->lastDir = dir;
+            stroker->lastAxisAligned = axisAligned;
+
+            Dasher dasher(stroker, swapped, x << 6, xs << 6);
+
+            do {
+                if (dasher.on())
+                    drawPixel(stroker, x, y >> 16, 255);
+                dasher.adjust();
+                y += yinc;
+            } while (++x < xs);
+        }
+    }
+    stroker->lastPixel = last;
+}
+
+
+template<DrawPixel drawPixel, class Dasher>
+static void drawLineAA(QCosmeticStroker *stroker, qreal rx1, qreal ry1, qreal rx2, qreal ry2, int caps)
+{
+    if (stroker->clipLine(rx1, ry1, rx2, ry2))
+        return;
+
+    int x1 = toF26Dot6(rx1);
+    int y1 = toF26Dot6(ry1);
+    int x2 = toF26Dot6(rx2);
+    int y2 = toF26Dot6(ry2);
+
+    int dx = x2 - x1;
+    int dy = y2 - y1;
+
+    if (qAbs(dx) < qAbs(dy)) {
+        // vertical
+
+        int xinc = F16Dot16FixedDiv(dx, dy);
+
+        bool swapped = false;
+        if (y1 > y2) {
+            qSwap(y1, y2);
+            qSwap(x1, x2);
+            swapped = true;
+            caps = swapCaps(caps);
+        }
+
+        int x = (x1 - 32) << 10;
+        x -= ( ((y1 & 63) - 32)  * xinc ) >> 6;
+
+        capAdjust(caps, y1, y2, x, xinc);
+
+        Dasher dasher(stroker, swapped, y1, y2);
+
+        int y = y1 >> 6;
+        int ys = y2 >> 6;
+
+        int alphaStart, alphaEnd;
+        if (y == ys) {
+            alphaStart = y2 - y1;
+            Q_ASSERT(alphaStart >= 0 && alphaStart < 64);
+            alphaEnd = 0;
+        } else {
+            alphaStart = 64 - (y1 & 63);
+            alphaEnd = (y2 & 63);
+        }
+//        qDebug() << "vertical" << x1/64. << y1/64. << x2/64. << y2/64.;
+//        qDebug() << "          x=" << x << "dx=" << dx << "xi=" << (x>>16) << "xsi=" << ((x+(ys-y)*dx)>>16) << "y=" << y << "ys=" << ys;
+
+        // draw first pixel
+        if (dasher.on()) {
+            uint alpha = (quint8)(x >> 8);
+            drawPixel(stroker, x>>16, y, (255-alpha) * alphaStart >> 6);
+            drawPixel(stroker, (x>>16) + 1, y, alpha * alphaStart >> 6);
+        }
+        dasher.adjust();
+        x += xinc;
+        ++y;
+        if (y < ys) {
+            do {
+                if (dasher.on()) {
+                    uint alpha = (quint8)(x >> 8);
+                    drawPixel(stroker, x>>16, y, (255-alpha));
+                    drawPixel(stroker, (x>>16) + 1, y, alpha);
+                }
+                dasher.adjust();
+                x += xinc;
+            } while (++y < ys);
+        }
+        // draw last pixel
+        if (alphaEnd && dasher.on()) {
+            uint alpha = (quint8)(x >> 8);
+            drawPixel(stroker, x>>16, y, (255-alpha) * alphaEnd >> 6);
+            drawPixel(stroker, (x>>16) + 1, y, alpha * alphaEnd >> 6);
+        }
+    } else {
+        // horizontal
+        if (!dx)
+            return;
+
+        int yinc = F16Dot16FixedDiv(dy, dx);
+
+        bool swapped = false;
+        if (x1 > x2) {
+            qSwap(x1, x2);
+            qSwap(y1, y2);
+            swapped = true;
+            caps = swapCaps(caps);
+        }
+
+        int y = (y1 - 32) << 10;
+        y -= ( ((x1 & 63) - 32)  * yinc ) >> 6;
+
+        capAdjust(caps, x1, x2, y, yinc);
+
+        Dasher dasher(stroker, swapped, x1, x2);
+
+        int x = x1 >> 6;
+        int xs = x2 >> 6;
+
+//        qDebug() << "horizontal" << x1/64. << y1/64. << x2/64. << y2/64.;
+//        qDebug() << "          y=" << y << "dy=" << dy << "x=" << x << "xs=" << xs << "yi=" << (y>>16) << "ysi=" << ((y+(xs-x)*dy)>>16);
+        int alphaStart, alphaEnd;
+        if (x == xs) {
+            alphaStart = x2 - x1;
+            Q_ASSERT(alphaStart >= 0 && alphaStart < 64);
+            alphaEnd = 0;
+        } else {
+            alphaStart = 64 - (x1 & 63);
+            alphaEnd = (x2 & 63);
+        }
+
+        // draw first pixel
+        if (dasher.on()) {
+            uint alpha = (quint8)(y >> 8);
+            drawPixel(stroker, x, y>>16, (255-alpha) * alphaStart >> 6);
+            drawPixel(stroker, x, (y>>16) + 1, alpha * alphaStart >> 6);
+        }
+        dasher.adjust();
+        y += yinc;
+        ++x;
+        // draw line
+        if (x < xs) {
+            do {
+                if (dasher.on()) {
+                    uint alpha = (quint8)(y >> 8);
+                    drawPixel(stroker, x, y>>16, (255-alpha));
+                    drawPixel(stroker, x, (y>>16) + 1, alpha);
+                }
+                dasher.adjust();
+                y += yinc;
+            } while (++x < xs);
+        }
+        // draw last pixel
+        if (alphaEnd && dasher.on()) {
+            uint alpha = (quint8)(y >> 8);
+            drawPixel(stroker, x, y>>16, (255-alpha) * alphaEnd >> 6);
+            drawPixel(stroker, x, (y>>16) + 1, alpha * alphaEnd >> 6);
+        }
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/gui/painting/qcosmeticstroker_p.h b/src/gui/painting/qcosmeticstroker_p.h
new file mode 100644
index 0000000..0aa71fc
--- /dev/null
+++ b/src/gui/painting/qcosmeticstroker_p.h
@@ -0,0 +1,152 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOSMETICSTROKER_P_H
+#define QCOSMETICSTROKER_P_H
+
+#include <private/qdrawhelper_p.h>
+#include <private/qvectorpath_p.h>
+#include <private/qpaintengine_raster_p.h>
+#include <qpen.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QCosmeticStroker;
+
+
+typedef void (*StrokeLine)(QCosmeticStroker *stroker, qreal x1, qreal y1, qreal x2, qreal y2, int caps);
+
+class QCosmeticStroker
+{
+public:
+    struct Point {
+        int x;
+        int y;
+    };
+    struct PointF {
+        qreal x;
+        qreal y;
+    };
+
+    enum Caps {
+        NoCaps = 0,
+        CapBegin = 0x1,
+        CapEnd = 0x2,
+    };
+
+    // used to avoid drop outs or duplicated points
+    enum Direction {
+        TopToBottom,
+        BottomToTop,
+        LeftToRight,
+        RightToLeft
+    };
+
+    QCosmeticStroker(QRasterPaintEngineState *s, const QRect &dr)
+        : state(s),
+          clip(dr),
+          pattern(0),
+          reversePattern(0),
+          patternSize(0),
+          patternLength(0),
+          patternOffset(0),
+          current_span(0),
+          lastDir(LeftToRight),
+          lastAxisAligned(false)
+    { setup(); }
+    ~QCosmeticStroker() { free(pattern); free(reversePattern); }
+    void drawLine(const QPointF &p1, const QPointF &p2);
+    void drawPath(const QVectorPath &path);
+    void drawPoints(const QPoint *points, int num);
+    void drawPoints(const QPointF *points, int num);
+
+
+    QRasterPaintEngineState *state;
+    QRect clip;
+    // clip bounds in real
+    qreal xmin, xmax;
+    qreal ymin, ymax;
+
+    StrokeLine stroke;
+    bool drawCaps;
+
+    int *pattern;
+    int *reversePattern;
+    int patternSize;
+    int patternLength;
+    int patternOffset;
+
+    enum { NSPANS = 255 };
+    QT_FT_Span spans[NSPANS];
+    int current_span;
+    ProcessSpans blend;
+
+    int opacity;
+
+    uint color;
+    uint *pixels;
+    int ppl;
+
+    Direction lastDir;
+    Point lastPixel;
+    bool lastAxisAligned;
+
+private:
+    void setup();
+
+    void renderCubic(const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4, int caps);
+    void renderCubicSubdivision(PointF *points, int level, int caps);
+    // used for closed subpaths
+    void calculateLastPoint(qreal rx1, qreal ry1, qreal rx2, qreal ry2);
+
+public:
+    bool clipLine(qreal &x1, qreal &y1, qreal &x2, qreal &y2);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QCOSMETICLINE_H
diff --git a/src/gui/painting/qgraphicssystemex_symbian.cpp b/src/gui/painting/qgraphicssystemex_symbian.cpp
index b53353b..4469704 100644
--- a/src/gui/painting/qgraphicssystemex_symbian.cpp
+++ b/src/gui/painting/qgraphicssystemex_symbian.cpp
@@ -44,10 +44,39 @@
 #include "private/qbackingstore_p.h"
 #include "private/qapplication_p.h"
 
-#include <QDebug>
+#include <e32property.h>
 
 QT_BEGIN_NAMESPACE
 
+static bool bcm2727Initialized = false;
+static bool bcm2727 = false;
+
+bool QSymbianGraphicsSystemEx::hasBCM2727()
+{
+    if (bcm2727Initialized)
+        return bcm2727;
+
+    const TUid KIvePropertyCat = {0x2726beef};
+    enum TIvePropertyChipType {
+        EVCBCM2727B1 = 0x00000000,
+        EVCBCM2763A0 = 0x04000100,
+        EVCBCM2763B0 = 0x04000102,
+        EVCBCM2763C0 = 0x04000103,
+        EVCBCM2763C1 = 0x04000104,
+        EVCBCMUnknown = 0x7fffffff
+    };
+
+    TInt chipType = EVCBCMUnknown;
+    if (RProperty::Get(KIvePropertyCat, 0, chipType) == KErrNone) {
+        if (chipType == EVCBCM2727B1)
+            bcm2727 = true;
+    }
+
+    bcm2727Initialized = true;
+
+    return bcm2727;
+}
+
 void QSymbianGraphicsSystemEx::releaseCachedGpuResources()
 {
     // Do nothing here
@@ -64,11 +93,6 @@ void QSymbianGraphicsSystemEx::releaseAllGpuResources()
     }
 }
 
-bool QSymbianGraphicsSystemEx::hasBCM2727()
-{
-    return !QApplicationPrivate::instance()->useTranslucentEGLSurfaces;
-}
-
 void QSymbianGraphicsSystemEx::forceToRaster(QWidget *window)
 {
     if (window && window->isWindow()) {
diff --git a/src/gui/painting/qgraphicssystemex_symbian_p.h b/src/gui/painting/qgraphicssystemex_symbian_p.h
index c1d1bdf..1f2a7c6 100644
--- a/src/gui/painting/qgraphicssystemex_symbian_p.h
+++ b/src/gui/painting/qgraphicssystemex_symbian_p.h
@@ -62,9 +62,10 @@ class QWidget;
 class Q_GUI_EXPORT QSymbianGraphicsSystemEx : public QGraphicsSystemEx
 {
 public:
+    static bool hasBCM2727();
+
     virtual void releaseCachedGpuResources();
     virtual void releaseAllGpuResources();
-    virtual bool hasBCM2727();
     virtual void forceToRaster(QWidget *window);
 };
 
diff --git a/src/gui/painting/qoutlinemapper.cpp b/src/gui/painting/qoutlinemapper.cpp
index 7c17c1b..8b607b2 100644
--- a/src/gui/painting/qoutlinemapper.cpp
+++ b/src/gui/painting/qoutlinemapper.cpp
@@ -47,6 +47,8 @@
 
 QT_BEGIN_NAMESPACE
 
+static const qreal aliasedCoordinateDelta = 0.5 - 0.015625;
+
 #define qreal_to_fixed_26_6(f) (int(f * 64))
 
 
@@ -214,6 +216,13 @@ void QOutlineMapper::endOutline()
         elements = m_elements_dev.data();
     }
 
+    if (m_round_coords) {
+        // round coordinates to match outlines drawn with drawLine_midpoint_i
+        for (int i = 0; i < m_elements.size(); ++i)
+            elements[i] = QPointF(qFloor(elements[i].x() + aliasedCoordinateDelta),
+                                  qFloor(elements[i].y() + aliasedCoordinateDelta));
+    }
+
     controlPointRect = boundingRect(elements, element_count);
 
 #ifdef QT_DEBUG_CONVERT
diff --git a/src/gui/painting/qoutlinemapper_p.h b/src/gui/painting/qoutlinemapper_p.h
index 1432d6f..388858c 100644
--- a/src/gui/painting/qoutlinemapper_p.h
+++ b/src/gui/painting/qoutlinemapper_p.h
@@ -95,7 +95,8 @@ public:
         m_tags(0),
         m_contours(0),
         m_polygon_dev(0),
-        m_in_clip_elements(false)
+        m_in_clip_elements(false),
+        m_round_coords(false)
     {
     }
 
@@ -201,6 +202,8 @@ public:
     QT_FT_Outline *convertPath(const QPainterPath &path);
     QT_FT_Outline *convertPath(const QVectorPath &path);
 
+    void setCoordinateRounding(bool coordinateRounding) { m_round_coords = coordinateRounding; }
+
     inline QPainterPath::ElementType *elementTypes() const { return m_element_types.size() == 0 ? 0 : m_element_types.data(); }
 
 public:
@@ -234,6 +237,9 @@ public:
 
     bool m_valid;
     bool m_in_clip_elements;
+
+private:
+    bool m_round_coords;
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/painting/qpaintengine.cpp b/src/gui/painting/qpaintengine.cpp
index 9562d83..c46513a 100644
--- a/src/gui/painting/qpaintengine.cpp
+++ b/src/gui/painting/qpaintengine.cpp
@@ -387,6 +387,7 @@ void QPaintEngine::drawPolygon(const QPoint *points, int pointCount, PolygonDraw
     \value MaxUser Last user type ID
     \value OpenGL2
     \value PaintBuffer
+    \value Blitter
 */
 
 /*!
diff --git a/src/gui/painting/qpaintengine_mac_p.h b/src/gui/painting/qpaintengine_mac_p.h
index c87501e..2434011 100644
--- a/src/gui/painting/qpaintengine_mac_p.h
+++ b/src/gui/painting/qpaintengine_mac_p.h
@@ -121,6 +121,8 @@ public:
     void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode)
     { QPaintEngine::drawPolygon(points, pointCount, mode); }
 
+    bool supportsTransformations(qreal, const QTransform &) const { return true; };
+
 protected:
     friend class QMacPrintEngine;
     friend class QMacPrintEnginePrivate;
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 5ce94f8..30553b5 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -69,6 +69,7 @@
 //   #include <private/qrasterizer_p.h>
 #include <private/qimage_p.h>
 #include <private/qstatictext_p.h>
+#include <private/qcosmeticstroker_p.h>
 #include "qmemrotate_p.h"
 
 #include "qpaintengine_raster_p.h"
@@ -126,6 +127,9 @@ void dumpClip(int width, int height, const QClipData *clip);
 // 4 pixels.
 #define int_dim(pos, dim) (int(pos+dim) - int(pos))
 
+// use the same rounding as in qrasterizer.cpp (6 bit fixed point)
+static const qreal aliasedCoordinateDelta = 0.5 - 0.015625;
+
 #ifdef Q_WS_WIN
 extern bool qt_cleartype_enabled;
 #endif
@@ -156,16 +160,6 @@ enum LineDrawMode {
     LineDrawIncludeLastPixel
 };
 
-static void drawLine_midpoint_i(int x1, int y1, int x2, int y2, ProcessSpans span_func, QSpanData *data,
-                                LineDrawMode style, const QIntRect &rect);
-static void drawLine_midpoint_dashed_i(int x1, int y1, int x2, int y2,
-                                       QPen *pen, ProcessSpans span_func, QSpanData *data,
-                                       LineDrawMode style, const QIntRect &devRect,
-                                       int *patternOffset);
-// static void drawLine_midpoint_f(qreal x1, qreal y1, qreal x2, qreal y2,
-//                                 ProcessSpans span_func, QSpanData *data,
-//                                 LineDrawMode style, const QRect &devRect);
-
 static void drawEllipse_midpoint_i(const QRect &rect, const QRect &clip,
                                    ProcessSpans pen_func, ProcessSpans brush_func,
                                    QSpanData *pen_data, QSpanData *brush_data);
@@ -789,14 +783,12 @@ void QRasterPaintEngine::updatePen(const QPen &pen)
         s->stroker = 0;
     }
 
+    ensureState(); // needed because of tx_noshear...
     s->flags.fast_pen = pen_style > Qt::NoPen
-                  && s->penData.blend
-                  && !s->flags.antialiased
-                  && (penWidth == 0 || (penWidth <= 1
-                                        && (s->matrix.type() <= QTransform::TxTranslate
-                                            || pen.isCosmetic())));
+            && s->penData.blend
+            && ((pen.isCosmetic() && penWidth <= 1)
+                || (s->flags.tx_noshear && penWidth * s->txscale <= 1));
 
-    ensureState(); // needed because of tx_noshear...
     s->flags.non_complex_pen = qpen_capStyle(s->lastPen) <= Qt::SquareCap && s->flags.tx_noshear;
 
     s->strokeFlags = 0;
@@ -1513,6 +1505,7 @@ void QRasterPaintEngine::drawRects(const QRect *rects, int rectCount)
     qDebug(" - QRasterPaintEngine::drawRect(), rectCount=%d", rectCount);
 #endif
     Q_D(QRasterPaintEngine);
+    ensureState();
     QRasterPaintEngineState *s = state();
 
     // Fill
@@ -1541,32 +1534,14 @@ void QRasterPaintEngine::drawRects(const QRect *rects, int rectCount)
 
     ensurePen();
     if (s->penData.blend) {
-        if (s->flags.fast_pen && s->lastPen.brush().isOpaque()) {
-            const QRect *r = rects;
-            const QRect *lastRect = rects + rectCount;
-            while (r < lastRect) {
-                int left = r->x();
-                int right = r->x() + r->width();
-                int top = r->y();
-                int bottom = r->y() + r->height();
-
-#ifdef Q_WS_MAC
-                int pts[] = { top, left,
-                              top, right,
-                              bottom, right,
-                              bottom, left };
-#else
-                int pts[] = { left, top,
-                              right, top,
-                              right, bottom,
-                              left, bottom };
-#endif
-
-                strokePolygonCosmetic((QPoint *) pts, 4, WindingMode);
-                ++r;
+        QRectVectorPath path;
+        if (s->flags.fast_pen) {
+            QCosmeticStroker stroker(s, d->deviceRect);
+            for (int i = 0; i < rectCount; ++i) {
+                path.set(rects[i]);
+                stroker.drawPath(path);
             }
         } else {
-            QRectVectorPath path;
             for (int i = 0; i < rectCount; ++i) {
                 path.set(rects[i]);
                 stroke(path, s->pen);
@@ -1581,13 +1556,13 @@ void QRasterPaintEngine::drawRects(const QRect *rects, int rectCount)
 void QRasterPaintEngine::drawRects(const QRectF *rects, int rectCount)
 {
 #ifdef QT_DEBUG_DRAW
-    qDebug(" - QRasterPaintEngine::drawRect(), rectCount=%d", rectCount);
+    qDebug(" - QRasterPaintEngine::drawRect(QRectF*), rectCount=%d", rectCount);
 #endif
 #ifdef QT_FAST_SPANS
     Q_D(QRasterPaintEngine);
+    ensureState();
     QRasterPaintEngineState *s = state();
 
-    ensureState();
 
     if (s->flags.tx_noshear) {
         ensureBrush();
@@ -1605,59 +1580,17 @@ void QRasterPaintEngine::drawRects(const QRectF *rects, int rectCount)
 
         ensurePen();
         if (s->penData.blend) {
-            qreal width = s->pen.isCosmetic()
-                          ? (s->lastPen.widthF() == 0 ? 1 : s->lastPen.widthF())
-                          : s->lastPen.widthF() * s->txscale;
-
-            if (s->flags.fast_pen && s->lastPen.brush().isOpaque()) {
-                for (int i = 0; i < rectCount; ++i) {
-                    const QRectF &r = rects[i];
-                    qreal left = r.x();
-                    qreal right = r.x() + r.width();
-                    qreal top = r.y();
-                    qreal bottom = r.y() + r.height();
-                    qreal pts[] = { left, top,
-                                    right, top,
-                                    right, bottom,
-                                    left, bottom };
-                    strokePolygonCosmetic((QPointF *) pts, 4, WindingMode);
-                }
-            } else if (width <= 1 && qpen_style(s->lastPen) == Qt::SolidLine) {
-                d->initializeRasterizer(&s->penData);
-
+            QRectVectorPath path;
+            if (s->flags.fast_pen) {
+                QCosmeticStroker stroker(s, d->deviceRect);
                 for (int i = 0; i < rectCount; ++i) {
-                    const QRectF &rect = rects[i].normalized();
-                    if (rect.isEmpty()) {
-                        qreal pts[] = { rect.left(), rect.top(), rect.right(), rect.bottom() };
-                        QVectorPath vp(pts, 2, 0, QVectorPath::LinesHint);
-                        QPaintEngineEx::stroke(vp, s->lastPen);
-                    } else {
-                        const QPointF tl = s->matrix.map(rect.topLeft());
-                        const QPointF tr = s->matrix.map(rect.topRight());
-                        const QPointF bl = s->matrix.map(rect.bottomLeft());
-                        const QPointF br = s->matrix.map(rect.bottomRight());
-                        const qreal w = width / (rect.width() * s->txscale);
-                        const qreal h = width / (rect.height() * s->txscale);
-                        d->rasterizer->rasterizeLine(tl, tr, w); // top
-                        d->rasterizer->rasterizeLine(bl, br, w); // bottom
-                        d->rasterizer->rasterizeLine(bl, tl, h); // left
-                        d->rasterizer->rasterizeLine(br, tr, h); // right
-                    }
+                    path.set(rects[i]);
+                    stroker.drawPath(path);
                 }
             } else {
                 for (int i = 0; i < rectCount; ++i) {
-                    const QRectF &r = rects[i];
-                    qreal left = r.x();
-                    qreal right = r.x() + r.width();
-                    qreal top = r.y();
-                    qreal bottom = r.y() + r.height();
-                    qreal pts[] = { left, top,
-                                    right, top,
-                                    right, bottom,
-                                    left, bottom,
-                                    left, top };
-                    QVectorPath vp(pts, 5, 0, QVectorPath::RectangleHint);
-                    QPaintEngineEx::stroke(vp, s->lastPen);
+                    path.set(rects[i]);
+                    QPaintEngineEx::stroke(path, s->lastPen);
                 }
             }
         }
@@ -1674,36 +1607,16 @@ void QRasterPaintEngine::drawRects(const QRectF *rects, int rectCount)
 */
 void QRasterPaintEngine::stroke(const QVectorPath &path, const QPen &pen)
 {
+    Q_D(QRasterPaintEngine);
     QRasterPaintEngineState *s = state();
+
     ensurePen(pen);
     if (!s->penData.blend)
         return;
 
-    if (s->flags.fast_pen && !path.isCurved()
-        && s->lastPen.brush().isOpaque()) {
-        int count = path.elementCount();
-        QPointF *points = (QPointF *) path.points();
-        const QPainterPath::ElementType *types = path.elements();
-        if (types) {
-            int first = 0;
-            int last;
-            while (first < count) {
-                while (first < count && types[first] != QPainterPath::MoveToElement) ++first;
-                last = first + 1;
-                while (last < count && types[last] == QPainterPath::LineToElement) ++last;
-                strokePolygonCosmetic(points + first, last - first,
-                                      path.hasImplicitClose() && last == count // only close last one..
-                                      ? WindingMode
-                                      : PolylineMode);
-                first = last;
-            }
-        } else {
-            strokePolygonCosmetic(points, count,
-                                  path.hasImplicitClose()
-                                  ? WindingMode
-                                  : PolylineMode);
-        }
-
+    if (s->flags.fast_pen) {
+        QCosmeticStroker stroker(s, d->deviceRect);
+        stroker.drawPath(path);
     } else if (s->flags.non_complex_pen && path.shape() == QVectorPath::LinesHint) {
         qreal width = s->lastPen.isCosmetic()
                       ? (qpen_widthf(s->lastPen) == 0 ? 1 : qpen_widthf(s->lastPen))
@@ -1760,10 +1673,10 @@ void QRasterPaintEngine::stroke(const QVectorPath &path, const QPen &pen)
 
 static inline QRect toNormalizedFillRect(const QRectF &rect)
 {
-    int x1 = qRound(rect.x());
-    int y1 = qRound(rect.y());
-    int x2 = qRound(rect.right());
-    int y2 = qRound(rect.bottom());
+    int x1 = qRound(rect.x() + aliasedCoordinateDelta);
+    int y1 = qRound(rect.y() + aliasedCoordinateDelta);
+    int x2 = qRound(rect.right() + aliasedCoordinateDelta);
+    int y2 = qRound(rect.bottom() + aliasedCoordinateDelta);
 
     if (x2 < x1)
         qSwap(x1, x2);
@@ -1818,26 +1731,6 @@ void QRasterPaintEngine::fill(const QVectorPath &path, const QBrush &brush)
         }
     }
 
-    if (path.shape() == QVectorPath::EllipseHint) {
-        if (!s->flags.antialiased && s->matrix.type() <= QTransform::TxScale) {
-            const qreal *p = path.points();
-            QPointF tl = QPointF(p[0], p[1]) * s->matrix;
-            QPointF br = QPointF(p[4], p[5]) * s->matrix;
-            QRectF r = s->matrix.mapRect(QRectF(tl, br));
-
-            ProcessSpans penBlend = d->getPenFunc(r, &s->penData);
-            ProcessSpans brushBlend = d->getBrushFunc(r, &s->brushData);
-            const QRect brect = QRect(int(r.x()), int(r.y()),
-                                      int_dim(r.x(), r.width()),
-                                      int_dim(r.y(), r.height()));
-            if (brect == r) {
-                drawEllipse_midpoint_i(brect, d->deviceRect, penBlend, brushBlend,
-                                       &s->penData, &s->brushData);
-                return;
-            }
-        }
-    }
-
     // ### Optimize for non transformed ellipses and rectangles...
     QRectF cpRect = path.controlPointRect();
     const QRect deviceRect = s->matrix.mapRect(cpRect).toRect();
@@ -2032,6 +1925,7 @@ void QRasterPaintEngine::fillPolygon(const QPointF *points, int pointCount, Poly
 */
 void QRasterPaintEngine::drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode)
 {
+    Q_D(QRasterPaintEngine);
     QRasterPaintEngineState *s = state();
 
 #ifdef QT_DEBUG_DRAW
@@ -2048,20 +1942,23 @@ void QRasterPaintEngine::drawPolygon(const QPointF *points, int pointCount, Poly
     }
 
     ensurePen();
-    ensureBrush();
     if (mode != PolylineMode) {
         // Do the fill...
+        ensureBrush();
         if (s->brushData.blend) {
+            d->outlineMapper->setCoordinateRounding(s->penData.blend && s->flags.fast_pen && s->lastPen.brush().isOpaque());
             fillPolygon(points, pointCount, mode);
+            d->outlineMapper->setCoordinateRounding(false);
         }
     }
 
     // Do the outline...
     if (s->penData.blend) {
-        if (s->flags.fast_pen && s->lastPen.brush().isOpaque())
-            strokePolygonCosmetic(points, pointCount, mode);
-        else {
-            QVectorPath vp((qreal *) points, pointCount, 0, QVectorPath::polygonFlags(mode));
+        QVectorPath vp((qreal *) points, pointCount, 0, QVectorPath::polygonFlags(mode));
+        if (s->flags.fast_pen) {
+            QCosmeticStroker stroker(s, d->deviceRect);
+            stroker.drawPath(vp);
+        } else {
             QPaintEngineEx::stroke(vp, s->lastPen);
         }
     }
@@ -2090,13 +1987,7 @@ void QRasterPaintEngine::drawPolygon(const QPoint *points, int pointCount, Polyg
         return;
     }
 
-    ensureState();
     ensurePen();
-    if (!(s->flags.int_xform && s->flags.fast_pen && (!s->penData.blend || s->pen.brush().isOpaque()))) {
-        // this calls the float version
-        QPaintEngineEx::drawPolygon(points, pointCount, mode);
-        return;
-    }
 
     // Do the fill
     if (mode != PolylineMode) {
@@ -2104,6 +1995,7 @@ void QRasterPaintEngine::drawPolygon(const QPoint *points, int pointCount, Polyg
         if (s->brushData.blend) {
             // Compose polygon fill..,
             ensureOutlineMapper();
+            d->outlineMapper->setCoordinateRounding(s->penData.blend != 0);
             d->outlineMapper->beginOutline(mode == WindingMode ? Qt::WindingFill : Qt::OddEvenFill);
             d->outlineMapper->moveTo(*points);
             const QPoint *p = points;
@@ -2117,235 +2009,30 @@ void QRasterPaintEngine::drawPolygon(const QPoint *points, int pointCount, Polyg
             ProcessSpans brushBlend = d->getBrushFunc(d->outlineMapper->controlPointRect,
                                                       &s->brushData);
             d->rasterize(d->outlineMapper->outline(), brushBlend, &s->brushData, d->rasterBuffer.data());
+            d->outlineMapper->setCoordinateRounding(false);
         }
     }
 
     // Do the outline...
     if (s->penData.blend) {
-        if (s->flags.fast_pen && s->lastPen.brush().isOpaque())
-            strokePolygonCosmetic(points, pointCount, mode);
-        else {
-            int count = pointCount * 2;
-            QVarLengthArray<qreal> fpoints(count);
-#ifdef Q_WS_MAC
-            for (int i=0; i<count; i+=2) {
-                fpoints[i] = ((int *) points)[i+1];
-                fpoints[i+1] = ((int *) points)[i];
-            }
-#else
-            for (int i=0; i<count; ++i)
-                fpoints[i] = ((int *) points)[i];
-#endif
-            QVectorPath vp((qreal *) fpoints.data(), pointCount, 0, QVectorPath::polygonFlags(mode));
-            QPaintEngineEx::stroke(vp, s->lastPen);
+        int count = pointCount * 2;
+        QVarLengthArray<qreal> fpoints(count);
+    #ifdef Q_WS_MAC
+        for (int i=0; i<count; i+=2) {
+            fpoints[i] = ((int *) points)[i+1];
+            fpoints[i+1] = ((int *) points)[i];
         }
-    }
-}
-
-/*!
-    \internal
-*/
-void QRasterPaintEngine::strokePolygonCosmetic(const QPointF *points, int pointCount, PolygonDrawMode mode)
-{
-    Q_D(QRasterPaintEngine);
-    QRasterPaintEngineState *s = state();
-
-    Q_ASSERT(s->penData.blend);
-    Q_ASSERT(s->flags.fast_pen);
-
-    bool needs_closing = mode != PolylineMode && points[0] != points[pointCount-1];
-
-    // Use fast path for 0 width /  trivial pens.
-    QIntRect devRect;
-    devRect.set(d->deviceRect);
-
-    LineDrawMode mode_for_last = (s->lastPen.capStyle() != Qt::FlatCap
-                                  ? LineDrawIncludeLastPixel
-                                  : LineDrawNormal);
-    int dashOffset = int(s->lastPen.dashOffset());
-
-    // Draw all the line segments.
-    for (int i=1; i<pointCount; ++i) {
-
-        QPointF lp1 = points[i-1] * s->matrix;
-        QPointF lp2 = points[i] * s->matrix;
-
-        const QRectF brect(lp1, lp2);
-        ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-        if (qpen_style(s->lastPen) == Qt::SolidLine) {
-            drawLine_midpoint_i(qFloor(lp1.x()), qFloor(lp1.y()),
-                                qFloor(lp2.x()), qFloor(lp2.y()),
-                                penBlend, &s->penData,
-                                i == pointCount - 1 ? mode_for_last : LineDrawIncludeLastPixel,
-                                devRect);
+    #else
+        for (int i=0; i<count; ++i)
+            fpoints[i] = ((int *) points)[i];
+    #endif
+        QVectorPath vp((qreal *) fpoints.data(), pointCount, 0, QVectorPath::polygonFlags(mode));
+
+        if (s->flags.fast_pen) {
+            QCosmeticStroker stroker(s, d->deviceRect);
+            stroker.drawPath(vp);
         } else {
-            drawLine_midpoint_dashed_i(qFloor(lp1.x()), qFloor(lp1.y()),
-                                       qFloor(lp2.x()), qFloor(lp2.y()),
-                                       &s->lastPen,
-                                       penBlend, &s->penData,
-                                       i == pointCount - 1 ? mode_for_last : LineDrawIncludeLastPixel,
-                                       devRect, &dashOffset);
-        }
-    }
-
-    // Polygons are implicitly closed.
-    if (needs_closing) {
-        QPointF lp1 = points[pointCount-1] * s->matrix;
-        QPointF lp2 = points[0] * s->matrix;
-
-        const QRectF brect(lp1, lp2);
-        ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-        if (qpen_style(s->lastPen) == Qt::SolidLine) {
-            drawLine_midpoint_i(qFloor(lp1.x()), qFloor(lp1.y()),
-                                qFloor(lp2.x()), qFloor(lp2.y()),
-                                penBlend, &s->penData,
-                                LineDrawIncludeLastPixel,
-                                devRect);
-        } else {
-            drawLine_midpoint_dashed_i(qFloor(lp1.x()), qFloor(lp1.y()),
-                                       qFloor(lp2.x()), qFloor(lp2.y()),
-                                       &s->lastPen,
-                                       penBlend, &s->penData,
-                                       LineDrawIncludeLastPixel,
-                                       devRect, &dashOffset);
-        }
-    }
-
-}
-
-/*!
-    \internal
-*/
-void QRasterPaintEngine::strokePolygonCosmetic(const QPoint *points, int pointCount, PolygonDrawMode mode)
-{
-    Q_D(QRasterPaintEngine);
-    QRasterPaintEngineState *s = state();
-
-    // We assert here because this function is called from drawRects
-    // and drawPolygon and they already do ensurePen(), so we skip that
-    // here to avoid duplicate checks..
-    Q_ASSERT(s->penData.blend);
-
-    bool needs_closing = mode != PolylineMode && points[0] != points[pointCount-1];
-
-    QIntRect devRect;
-    devRect.set(d->deviceRect);
-
-    LineDrawMode mode_for_last = (s->lastPen.capStyle() != Qt::FlatCap
-                                  ? LineDrawIncludeLastPixel
-                                  : LineDrawNormal);
-
-    int m11 = int(s->matrix.m11());
-    int m22 = int(s->matrix.m22());
-    int dx = int(s->matrix.dx());
-    int dy = int(s->matrix.dy());
-    int m13 = int(s->matrix.m13());
-    int m23 = int(s->matrix.m23());
-    bool affine = !m13 && !m23;
-
-    int dashOffset = int(s->lastPen.dashOffset());
-
-    if (affine) {
-        // Draw all the line segments.
-        for (int i=1; i<pointCount; ++i) {
-            const QPoint lp1 = points[i-1] * s->matrix;
-            const QPoint lp2 = points[i] * s->matrix;
-            const QRect brect(lp1, lp2);
-            ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-
-            if (qpen_style(s->lastPen) == Qt::SolidLine)
-                drawLine_midpoint_i(lp1.x(), lp1.y(),
-                                    lp2.x(), lp2.y(),
-                                    penBlend, &s->penData,
-                                    i == pointCount - 1 ? mode_for_last : LineDrawIncludeLastPixel,
-                                    devRect);
-            else
-                drawLine_midpoint_dashed_i(lp1.x(), lp1.y(),
-                                           lp2.x(), lp2.y(),
-                                           &s->lastPen,
-                                           penBlend, &s->penData,
-                                           i == pointCount - 1 ? mode_for_last : LineDrawIncludeLastPixel,
-                                           devRect, &dashOffset);
-
-        }
-
-        // Polygons are implicitly closed.
-        if (needs_closing) {
-            const QPoint lp1 = points[pointCount - 1] * s->matrix;
-            const QPoint lp2 = points[0] * s->matrix;
-            const QRect brect(lp1, lp2);
-            ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-
-            if (qpen_style(s->lastPen) == Qt::SolidLine)
-                drawLine_midpoint_i(lp1.x(), lp1.y(),
-                                    lp2.x(), lp2.y(),
-                                    penBlend, &s->penData, LineDrawIncludeLastPixel,
-                                    devRect);
-            else
-                drawLine_midpoint_dashed_i(lp1.x(), lp1.y(),
-                                           lp2.x(), lp2.y(),
-                                           &s->lastPen,
-                                           penBlend, &s->penData, LineDrawIncludeLastPixel,
-                                           devRect, &dashOffset);
-        }
-    } else {
-        // Draw all the line segments.
-        for (int i=1; i<pointCount; ++i) {
-            int x1 = points[i-1].x() * m11 + dx;
-            int y1 = points[i-1].y() * m22 + dy;
-            qreal w = m13*points[i-1].x() + m23*points[i-1].y() + 1.;
-            w = 1/w;
-            x1 = int(x1*w);
-            y1 = int(y1*w);
-            int x2 = points[i].x() * m11 + dx;
-            int y2 = points[i].y() * m22 + dy;
-            w = m13*points[i].x() + m23*points[i].y() + 1.;
-            w = 1/w;
-            x2 = int(x2*w);
-            y2 = int(y2*w);
-
-            const QRect brect(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
-            ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-            if (qpen_style(s->lastPen) == Qt::SolidLine)
-                drawLine_midpoint_i(x1, y1, x2, y2,
-                                    penBlend, &s->penData,
-                                    i == pointCount - 1 ? mode_for_last : LineDrawIncludeLastPixel,
-                                    devRect);
-            else
-                drawLine_midpoint_dashed_i(x1, y1, x2, y2,
-                                           &s->lastPen,
-                                           penBlend, &s->penData,
-                                           i == pointCount - 1 ? mode_for_last : LineDrawIncludeLastPixel,
-                                           devRect, &dashOffset);
-
-        }
-
-        int x1 = points[pointCount-1].x() * m11 + dx;
-        int y1 = points[pointCount-1].y() * m22 + dy;
-        qreal w = m13*points[pointCount-1].x() + m23*points[pointCount-1].y() + 1.;
-        w = 1/w;
-        x1 = int(x1*w);
-        y1 = int(y1*w);
-        int x2 = points[0].x() * m11 + dx;
-        int y2 = points[0].y() * m22 + dy;
-        w = m13*points[0].x() + m23*points[0].y() + 1.;
-        w = 1/w;
-        x2 = int(x2 * w);
-        y2 = int(y2 * w);
-        // Polygons are implicitly closed.
-
-        if (needs_closing) {
-            const QRect brect(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
-            ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-            if (qpen_style(s->lastPen) == Qt::SolidLine)
-                drawLine_midpoint_i(x1, y1, x2, y2,
-                                    penBlend, &s->penData, LineDrawIncludeLastPixel,
-                                    devRect);
-            else
-                drawLine_midpoint_dashed_i(x1, y1, x2, y2,
-                                           &s->lastPen,
-                                           penBlend, &s->penData, LineDrawIncludeLastPixel,
-                                           devRect, &dashOffset);
+            QPaintEngineEx::stroke(vp, s->lastPen);
         }
     }
 }
@@ -2579,7 +2266,10 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe
     int sr_b = qCeil(sr.bottom()) - 1;
 
     if (s->matrix.type() <= QTransform::TxScale && !s->flags.antialiased && sr_l == sr_r && sr_t == sr_b) {
+        // as fillRect will apply the aliased coordinate delta we need to
+        // subtract it here as we don't use it for image drawing
         QTransform old = s->matrix;
+        s->matrix = s->matrix * QTransform::fromTranslate(-aliasedCoordinateDelta, -aliasedCoordinateDelta);
 
         // Do whatever fillRect() does, but without premultiplying the color if it's already premultiplied.
         QRgb color = img.pixel(sr_l, sr_t);
@@ -2723,9 +2413,11 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe
             d->initializeRasterizer(&d->image_filler_xform);
             d->rasterizer->setAntialiased(s->flags.antialiased);
 
+            const QPointF offs = s->flags.antialiased ? QPointF() : QPointF(aliasedCoordinateDelta, aliasedCoordinateDelta);
+
             const QRectF &rect = r.normalized();
-            const QPointF a = s->matrix.map((rect.topLeft() + rect.bottomLeft()) * 0.5f);
-            const QPointF b = s->matrix.map((rect.topRight() + rect.bottomRight()) * 0.5f);
+            const QPointF a = s->matrix.map((rect.topLeft() + rect.bottomLeft()) * 0.5f) - offs;
+            const QPointF b = s->matrix.map((rect.topRight() + rect.bottomRight()) * 0.5f) - offs;
 
             if (s->flags.tx_noshear)
                 d->rasterizer->rasterizeLine(a, b, rect.height() / rect.width());
@@ -2734,12 +2426,13 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe
             return;
         }
 #endif
+        const qreal offs = s->flags.antialiased ? qreal(0) : aliasedCoordinateDelta;
         QPainterPath path;
         path.addRect(r);
         QTransform m = s->matrix;
         s->matrix = QTransform(m.m11(), m.m12(), m.m13(),
                                m.m21(), m.m22(), m.m23(),
-                               m.m31(), m.m32(), m.m33());
+                               m.m31() - offs, m.m32() - offs, m.m33());
         fillPath(path, &d->image_filler_xform);
         s->matrix = m;
     } else {
@@ -3167,7 +2860,15 @@ bool QRasterPaintEngine::drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs,
     } else
 #endif
     {
-        QFontEngineGlyphCache::Type glyphType = fontEngine->glyphFormat >= 0 ? QFontEngineGlyphCache::Type(fontEngine->glyphFormat) : d->glyphCacheType;
+        QFontEngineGlyphCache::Type glyphType;
+        if (fontEngine->glyphFormat >= 0) {
+            glyphType = QFontEngineGlyphCache::Type(fontEngine->glyphFormat);
+        } else if (s->matrix.type() > QTransform::TxTranslate
+                   && d->glyphCacheType == QFontEngineGlyphCache::Raster_RGBMask) {
+            glyphType = QFontEngineGlyphCache::Raster_A8;
+        } else {
+            glyphType = d->glyphCacheType;
+        }
 
         QImageTextureGlyphCache *cache =
             static_cast<QImageTextureGlyphCache *>(fontEngine->glyphCache(0, glyphType, s->matrix));
@@ -3191,6 +2892,7 @@ bool QRasterPaintEngine::drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs,
             rightShift = 3; // divide by 8
 
         int margin = cache->glyphMargin();
+        const QFixed offs = QFixed::fromReal(aliasedCoordinateDelta);
         const uchar *bits = image.bits();
         for (int i=0; i<numGlyphs; ++i) {
 
@@ -3201,7 +2903,7 @@ bool QRasterPaintEngine::drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs,
                 continue;
 
             int x = qFloor(positions[i].x) + c.baseLineX - margin;
-            int y = qFloor(positions[i].y) - c.baseLineY - margin;
+            int y = qFloor(positions[i].y + offs) - c.baseLineY - margin;
 
             // printf("drawing [%d %d %d %d] baseline [%d %d], glyph: %d, to: %d %d, pos: %d %d\n",
             //        c.x, c.y,
@@ -3239,13 +2941,15 @@ void QRasterPaintEngine::drawGlyphsS60(const QPointF &p, const QTextItemInt &ti)
         fe->setFontScale(matrix.m11());
     ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
 
+    const QFixed aliasDelta = QFixed::fromReal(aliasedCoordinateDelta);
+
     for (int i=0; i<glyphs.size(); ++i) {
         TOpenFontCharMetrics tmetrics;
         const TUint8 *glyphBitmapBytes;
         TSize glyphBitmapSize;
         fe->getCharacterData(glyphs[i], tmetrics, glyphBitmapBytes, glyphBitmapSize);
-        const int x = qFloor(positions[i].x + tmetrics.HorizBearingX());
-        const int y = qFloor(positions[i].y - tmetrics.HorizBearingY());
+        const int x = qFloor(positions[i].x + tmetrics.HorizBearingX() + aliasDelta);
+        const int y = qFloor(positions[i].y - tmetrics.HorizBearingY() + aliasDelta);
         alphaPenBlt(glyphBitmapBytes, glyphBitmapSize.iWidth, 8, x, y, glyphBitmapSize.iWidth, glyphBitmapSize.iHeight);
     }
 
@@ -3346,19 +3050,6 @@ QRasterPaintEnginePrivate::getBrushFunc(const QRectF &rect,
 }
 
 inline ProcessSpans
-QRasterPaintEnginePrivate::getPenFunc(const QRect &rect,
-                                      const QSpanData *data) const
-{
-    Q_Q(const QRasterPaintEngine);
-    const QRasterPaintEngineState *s = q->state();
-
-    if (!s->flags.fast_pen && s->matrix.type() > QTransform::TxTranslate)
-        return data->blend;
-    const int penWidth = s->flags.fast_pen ? 1 : qCeil(s->pen.widthF());
-    return isUnclipped(rect, penWidth) ? data->unclipped_blend : data->blend;
-}
-
-inline ProcessSpans
 QRasterPaintEnginePrivate::getPenFunc(const QRectF &rect,
                                       const QSpanData *data) const
 {
@@ -3379,8 +3070,13 @@ void QRasterPaintEngine::drawStaticTextItem(QStaticTextItem *textItem)
     ensurePen();
     ensureState();
 
-    drawCachedGlyphs(textItem->numGlyphs, textItem->glyphs, textItem->glyphPositions,
-                     textItem->fontEngine());
+    QFontEngine *fontEngine = textItem->fontEngine();
+    if (!supportsTransformations(fontEngine)) {
+        drawCachedGlyphs(textItem->numGlyphs, textItem->glyphs, textItem->glyphPositions,
+                         fontEngine);
+    } else {
+        QPaintEngineEx::drawStaticTextItem(textItem);
+    }
 }
 
 /*!
@@ -3403,36 +3099,7 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
 
 #if defined (Q_WS_WIN) || defined(Q_WS_MAC)
 
-    bool drawCached = true;
-
-    if (s->matrix.type() >= QTransform::TxProject)
-        drawCached = false;
-
-    // don't try to cache huge fonts
-    const qreal pixelSize = ti.fontEngine->fontDef.pixelSize;
-    if (pixelSize * pixelSize * qAbs(s->matrix.determinant()) >= 64 * 64)
-        drawCached = false;
-
-    // ### Remove the TestFontEngine and Box engine crap, in these
-    // ### cases we should delegate painting to the font engine
-    // ### directly...
-
-#if defined(Q_WS_WIN) && !defined(Q_WS_WINCE)
-    QFontEngine::Type fontEngineType = ti.fontEngine->type();
-    // qDebug() << "type" << fontEngineType << s->matrix.type();
-    if ((fontEngineType == QFontEngine::Win && !((QFontEngineWin *) ti.fontEngine)->ttf && s->matrix.type() > QTransform::TxTranslate)
-        || (s->matrix.type() <= QTransform::TxTranslate
-            && (fontEngineType == QFontEngine::TestFontEngine
-                || fontEngineType == QFontEngine::Box))) {
-            drawCached = false;
-    }
-#else
-    if (s->matrix.type() > QTransform::TxTranslate)
-        drawCached = false;
-#endif
-    if (drawCached) {
-        QRasterPaintEngineState *s = state();
-
+    if (!supportsTransformations(ti.fontEngine)) {
         QVarLengthArray<QFixedPoint> positions;
         QVarLengthArray<glyph_t> glyphs;
 
@@ -3467,7 +3134,7 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
             || (fontEngine->type() == QFontEngine::Proxy
                 && !(static_cast<QProxyFontEngine *>(fontEngine)->drawAsOutline()))
             )) {
-        fontEngine->draw(this, qFloor(p.x()), qFloor(p.y()), ti);
+        fontEngine->draw(this, qFloor(p.x() + aliasedCoordinateDelta), qFloor(p.y() + aliasedCoordinateDelta), ti);
         return;
     }
 #endif // Q_WS_QWS
@@ -3490,6 +3157,7 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
         for(int i = 0; i < glyphs.size(); i++) {
             QImage img = fontEngine->alphaMapForGlyph(glyphs[i]);
             glyph_metrics_t metrics = fontEngine->boundingBox(glyphs[i]);
+            // ### hm, perhaps an QFixed offs = QFixed::fromReal(aliasedCoordinateDelta) is needed here?
             alphaPenBlt(img.bits(), img.bytesPerLine(), img.depth(),
                                          qRound(positions[i].x + metrics.x),
                                          qRound(positions[i].y + metrics.y),
@@ -3544,48 +3212,16 @@ void QRasterPaintEngine::drawPoints(const QPointF *points, int pointCount)
     QRasterPaintEngineState *s = state();
 
     ensurePen();
-    qreal pw = s->lastPen.widthF();
-    if (!s->flags.fast_pen && (s->matrix.type() > QTransform::TxTranslate || pw > 1)) {
-        QPaintEngineEx::drawPoints(points, pointCount);
-
-    } else {
-        if (!s->penData.blend)
-            return;
-
-        QVarLengthArray<QT_FT_Span, 4096> array(pointCount);
-        QT_FT_Span span = { 0, 1, 0, 255 };
-        const QPointF *end = points + pointCount;
-        qreal trans_x, trans_y;
-        int x, y;
-        int left = d->deviceRect.x();
-        int right = left + d->deviceRect.width();
-        int top = d->deviceRect.y();
-        int bottom = top + d->deviceRect.height();
-        int count = 0;
-        while (points < end) {
-            s->matrix.map(points->x(), points->y(), &trans_x, &trans_y);
-            x = qFloor(trans_x);
-            y = qFloor(trans_y);
-            if (x >= left && x < right && y >= top && y < bottom) {
-                if (count > 0) {
-                    const QT_FT_Span &last = array[count - 1];
-                    // spans must be sorted on y (primary) and x (secondary)
-                    if (y < last.y || (y == last.y && x < last.x)) {
-                        s->penData.blend(count, array.constData(), &s->penData);
-                        count = 0;
-                    }
-                }
-
-                span.x = x;
-                span.y = y;
-                array[count++] = span;
-            }
-            ++points;
-        }
+    if (!s->penData.blend)
+        return;
 
-        if (count > 0)
-            s->penData.blend(count, array.constData(), &s->penData);
+    if (!s->flags.fast_pen) {
+        QPaintEngineEx::drawPoints(points, pointCount);
+        return;
     }
+
+    QCosmeticStroker stroker(s, d->deviceRect);
+    stroker.drawPoints(points, pointCount);
 }
 
 
@@ -3595,48 +3231,16 @@ void QRasterPaintEngine::drawPoints(const QPoint *points, int pointCount)
     QRasterPaintEngineState *s = state();
 
     ensurePen();
-    double pw = s->lastPen.widthF();
-    if (!s->flags.fast_pen && (s->matrix.type() > QTransform::TxTranslate || pw > 1)) {
-        QPaintEngineEx::drawPoints(points, pointCount);
-
-    } else {
-        if (!s->penData.blend)
-            return;
-
-        QVarLengthArray<QT_FT_Span, 4096> array(pointCount);
-        QT_FT_Span span = { 0, 1, 0, 255 };
-        const QPoint *end = points + pointCount;
-        qreal trans_x, trans_y;
-        int x, y;
-        int left = d->deviceRect.x();
-        int right = left + d->deviceRect.width();
-        int top = d->deviceRect.y();
-        int bottom = top + d->deviceRect.height();
-        int count = 0;
-        while (points < end) {
-            s->matrix.map(points->x(), points->y(), &trans_x, &trans_y);
-            x = qFloor(trans_x);
-            y = qFloor(trans_y);
-            if (x >= left && x < right && y >= top && y < bottom) {
-                if (count > 0) {
-                    const QT_FT_Span &last = array[count - 1];
-                    // spans must be sorted on y (primary) and x (secondary)
-                    if (y < last.y || (y == last.y && x < last.x)) {
-                        s->penData.blend(count, array.constData(), &s->penData);
-                        count = 0;
-                    }
-                }
-
-                span.x = x;
-                span.y = y;
-                array[count++] = span;
-            }
-            ++points;
-        }
+    if (!s->penData.blend)
+        return;
 
-        if (count > 0)
-            s->penData.blend(count, array.constData(), &s->penData);
+    if (!s->flags.fast_pen) {
+        QPaintEngineEx::drawPoints(points, pointCount);
+        return;
     }
+
+    QCosmeticStroker stroker(s, d->deviceRect);
+    stroker.drawPoints(points, pointCount);
 }
 
 /*!
@@ -3645,59 +3249,22 @@ void QRasterPaintEngine::drawPoints(const QPoint *points, int pointCount)
 void QRasterPaintEngine::drawLines(const QLine *lines, int lineCount)
 {
 #ifdef QT_DEBUG_DRAW
-    qDebug() << " - QRasterPaintEngine::drawLine()";
+    qDebug() << " - QRasterPaintEngine::drawLines(QLine*)" << lineCount;
 #endif
     Q_D(QRasterPaintEngine);
     QRasterPaintEngineState *s = state();
 
     ensurePen();
+    if (!s->penData.blend)
+        return;
+
     if (s->flags.fast_pen) {
-        QIntRect bounds; bounds.set(d->deviceRect);
-        LineDrawMode mode = s->lastPen.capStyle() == Qt::FlatCap
-                            ? LineDrawNormal
-                            : LineDrawIncludeLastPixel;
-
-        int m11 = int(s->matrix.m11());
-        int m22 = int(s->matrix.m22());
-        int dx = qFloor(s->matrix.dx());
-        int dy = qFloor(s->matrix.dy());
+        QCosmeticStroker stroker(s, d->deviceRect);
         for (int i=0; i<lineCount; ++i) {
-            int dashOffset = int(s->lastPen.dashOffset());
-            if (s->flags.int_xform) {
-                const QLine &l = lines[i];
-                int x1 = l.x1() * m11 + dx;
-                int y1 = l.y1() * m22 + dy;
-                int x2 = l.x2() * m11 + dx;
-                int y2 = l.y2() * m22 + dy;
-
-                const QRect brect(QPoint(x1, y1), QPoint(x2, y2));
-                ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-                if (qpen_style(s->lastPen) == Qt::SolidLine)
-                    drawLine_midpoint_i(x1, y1, x2, y2,
-                                        penBlend, &s->penData, mode, bounds);
-                else
-                    drawLine_midpoint_dashed_i(x1, y1, x2, y2,
-                                               &s->lastPen, penBlend,
-                                               &s->penData, mode, bounds,
-                                               &dashOffset);
-            } else {
-                QLineF line = lines[i] * s->matrix;
-                const QRectF brect(QPointF(line.x1(), line.y1()),
-                                   QPointF(line.x2(), line.y2()));
-                ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-                if (qpen_style(s->lastPen) == Qt::SolidLine)
-                    drawLine_midpoint_i(int(line.x1()), int(line.y1()),
-                                        int(line.x2()), int(line.y2()),
-                                        penBlend, &s->penData, mode, bounds);
-                else
-                    drawLine_midpoint_dashed_i(int(line.x1()), int(line.y1()),
-                                               int(line.x2()), int(line.y2()),
-                                               &s->lastPen, penBlend,
-                                               &s->penData, mode, bounds,
-                                               &dashOffset);
-            }
+            const QLine &l = lines[i];
+            stroker.drawLine(l.p1(), l.p2());
         }
-    } else if (s->penData.blend) {
+    } else {
         QPaintEngineEx::drawLines(lines, lineCount);
     }
 }
@@ -3754,7 +3321,7 @@ void QRasterPaintEnginePrivate::rasterizeLine_dashed(QLineF line,
 void QRasterPaintEngine::drawLines(const QLineF *lines, int lineCount)
 {
 #ifdef QT_DEBUG_DRAW
-    qDebug() << " - QRasterPaintEngine::drawLine()";
+    qDebug() << " - QRasterPaintEngine::drawLines(QLineF *)" << lineCount;
 #endif
     Q_D(QRasterPaintEngine);
     QRasterPaintEngineState *s = state();
@@ -3763,28 +3330,10 @@ void QRasterPaintEngine::drawLines(const QLineF *lines, int lineCount)
     if (!s->penData.blend)
         return;
     if (s->flags.fast_pen) {
-        QIntRect bounds;
-        bounds.set(d->deviceRect);
-        LineDrawMode mode = s->lastPen.capStyle() == Qt::FlatCap
-                            ? LineDrawNormal
-                            : LineDrawIncludeLastPixel;
-
+        QCosmeticStroker stroker(s, d->deviceRect);
         for (int i=0; i<lineCount; ++i) {
-            int dashOffset = int(s->lastPen.dashOffset());
-            QLineF line = lines[i] * s->matrix;
-            const QRectF brect(QPointF(line.x1(), line.y1()),
-                               QPointF(line.x2(), line.y2()));
-            ProcessSpans penBlend = d->getPenFunc(brect, &s->penData);
-            if (qpen_style(s->lastPen) == Qt::SolidLine)
-                drawLine_midpoint_i(int(line.x1()), int(line.y1()),
-                                    int(line.x2()), int(line.y2()),
-                                    penBlend, &s->penData, mode, bounds);
-            else
-                drawLine_midpoint_dashed_i(int(line.x1()), int(line.y1()),
-                                           int(line.x2()), int(line.y2()),
-                                           &s->lastPen,
-                                           penBlend, &s->penData, mode,
-                                           bounds, &dashOffset);
+            QLineF line = lines[i];
+            stroker.drawLine(line.p1(), line.p2());
         }
     } else {
         QPaintEngineEx::drawLines(lines, lineCount);
@@ -3802,7 +3351,8 @@ void QRasterPaintEngine::drawEllipse(const QRectF &rect)
 
     ensurePen();
     if (((qpen_style(s->lastPen) == Qt::SolidLine && s->flags.fast_pen)
-         || (qpen_style(s->lastPen) == Qt::NoPen && !s->flags.antialiased))
+           || (qpen_style(s->lastPen) == Qt::NoPen))
+        && !s->flags.antialiased
         && qMax(rect.width(), rect.height()) < QT_RASTER_COORD_LIMIT
         && !rect.isEmpty()
         && s->matrix.type() <= QTransform::TxScale) // no shear
@@ -3870,6 +3420,37 @@ void QRasterPaintEngine::releaseDC(HDC) const
 
 #endif
 
+bool QRasterPaintEngine::supportsTransformations(const QFontEngine *fontEngine) const
+{
+    const QTransform &m = state()->matrix;
+#if defined(Q_WS_WIN) && !defined(Q_WS_WINCE)
+    QFontEngine::Type fontEngineType = fontEngine->type();
+    if ((fontEngineType == QFontEngine::Win && !((QFontEngineWin *) fontEngine)->ttf && m.type() > QTransform::TxTranslate)
+        || (m.type() <= QTransform::TxTranslate
+            && (fontEngineType == QFontEngine::TestFontEngine
+                || fontEngineType == QFontEngine::Box))) {
+            return true;
+    }
+#endif
+    return supportsTransformations(fontEngine->fontDef.pixelSize, m);
+}
+
+bool QRasterPaintEngine::supportsTransformations(qreal pixelSize, const QTransform &m) const
+{
+#if defined(Q_WS_MAC)
+    // Mac font engines don't support scaling and rotation
+    if (m.type() > QTransform::TxTranslate)
+#else
+    if (m.type() >= QTransform::TxProject)
+#endif
+        return true;
+
+    if (pixelSize * pixelSize * qAbs(m.determinant()) >= 64 * 64)
+        return true;
+
+    return false;
+}
+
 /*!
     \internal
 */
@@ -4821,7 +4402,7 @@ static void qt_span_fill_clipped(int spanCount, const QSpan *spans, void *userDa
     while (spans < end) {
         QSpan *clipped = cspans;
         spans = qt_intersect_spans(fillData->clip, &currentClip, spans, end, &clipped, NSPANS);
-//         qDebug() << "processed " << processed << "clipped" << clipped-cspans
+//         qDebug() << "processed " << spanCount - (end - spans) << "clipped" << clipped-cspans
 //                  << "span:" << cspans->x << cspans->y << cspans->len << spans->coverage;
 
         if (clipped - cspans)
@@ -5473,759 +5054,6 @@ void QSpanData::initTexture(const QImage *image, int alpha, QTextureData::Type _
     adjustSpanMethods();
 }
 
-#ifdef Q_WS_WIN
-
-
-#endif
-
-
-/*!
-    \internal
-
-    Draws a line using the floating point midpoint algorithm. The line
-    \a line is already in device coords at this point.
-*/
-
-static void drawLine_midpoint_i(int x1, int y1, int x2, int y2, ProcessSpans span_func, QSpanData *data,
-                                LineDrawMode style, const QIntRect &devRect)
-{
-#ifdef QT_DEBUG_DRAW
-    qDebug() << "   - drawLine_midpoint_i" << QLine(QPoint(x1, y1), QPoint(x2, y2));
-#endif
-
-    int x, y;
-    int dx, dy, d, incrE, incrNE;
-
-    dx = x2 - x1;
-    dy = y2 - y1;
-
-    const int NSPANS = 256;
-    QT_FT_Span spans[NSPANS];
-    int current = 0;
-    bool ordered = true;
-
-    if (dy == 0) {
-        // specialcase horizontal lines
-        if (y1 >= devRect.y1 && y1 < devRect.y2) {
-            int start = qMax(devRect.x1, qMin(x1, x2));
-            int stop = qMax(x1, x2) + 1;
-            int stop_clipped = qMin(devRect.x2, stop);
-            int len = stop_clipped - start;
-            if (style == LineDrawNormal && stop == stop_clipped)
-                len--;
-            if (len > 0) {
-                spans[0].x = ushort(start);
-                spans[0].len = ushort(len);
-                spans[0].y = y1;
-                spans[0].coverage = 255;
-                span_func(1, spans, data);
-            }
-        }
-        return;
-    } else if (dx == 0) {
-        // specialcase vertical lines
-        if (x1 >= devRect.x1 && x1 < devRect.x2) {
-            int start = qMax(devRect.y1, qMin(y1, y2));
-            int stop = qMax(y1, y2) + 1;
-            int stop_clipped = qMin(devRect.y2, stop);
-            int len = stop_clipped - start;
-            if (style == LineDrawNormal && stop == stop_clipped)
-                len--;
-            // hw: create spans directly instead to possibly avoid clipping
-            if (len > 0)
-                fillRect_normalized(QRect(x1, start, 1, len).normalized(), data, 0);
-        }
-        return;
-    }
-
-
-    if (qAbs(dx) >= qAbs(dy)) {       /* if x is the major axis: */
-
-        if (x2 < x1) {  /* if coordinates are out of order */
-            qt_swap_int(x1, x2);
-            dx = -dx;
-
-            qt_swap_int(y1, y2);
-            dy = -dy;
-        }
-
-        int x_lower_limit = - 128;
-        if (x1 < x_lower_limit) {
-            int cy = dy * (x_lower_limit - x1) / dx + y1;
-            drawLine_midpoint_i(x_lower_limit, cy, x2, y2, span_func, data, style, devRect);
-            return;
-        }
-
-        if (style == LineDrawNormal)
-            --x2;
-
-        // In the loops below we increment before call the span function so
-        // we need to stop one pixel before
-        x2 = qMin(x2, devRect.x2 - 1);
-
-        // completely clipped, so abort
-        if (x2 <= x1) {
-            return;
-        }
-
-        int x = x1;
-        int y = y1;
-
-        if (y2 <= y1)
-            ordered = false;
-
-        {
-            const int index = (ordered ? current : NSPANS - 1 - current);
-            spans[index].coverage = 255;
-            spans[index].x = x;
-            spans[index].y = y;
-
-            if (x >= devRect.x1 && y >= devRect.y1 && y < devRect.y2)
-                spans[index].len = 1;
-            else
-                spans[index].len = 0;
-        }
-
-        if (y2 > y1) { // 315 -> 360 and 135 -> 180 (unit circle degrees)
-            y2 = qMin(y2, devRect.y2 - 1);
-
-            incrE = dy * 2;
-            d = incrE - dx;
-            incrNE = (dy - dx) * 2;
-
-            if (y > y2)
-                goto flush_and_return;
-
-            while (x < x2) {
-                ++x;
-                if (d > 0) {
-                    if (spans[current].len > 0)
-                        ++current;
-                    if (current == NSPANS) {
-                        span_func(NSPANS, spans, data);
-                        current = 0;
-                    }
-
-                    ++y;
-                    d += incrNE;
-                    if (y > y2)
-                        goto flush_and_return;
-
-                    spans[current].len = 0;
-                    spans[current].coverage = 255;
-                    spans[current].x = x;
-                    spans[current].y = y;
-                } else {
-                    d += incrE;
-                    if (x == devRect.x1)
-                        spans[current].x = devRect.x1;
-                }
-
-                if (x < devRect.x1 || y < devRect.y1)
-                    continue;
-
-                Q_ASSERT(x<devRect.x2);
-                Q_ASSERT(y<devRect.y2);
-                Q_ASSERT(spans[current].y == y);
-                spans[current].len++;
-            }
-            if (spans[current].len > 0) {
-                ++current;
-            }
-        } else {  // 0-45 and 180->225 (unit circle degrees)
-
-            y1 = qMin(y1, devRect.y2 - 1);
-
-            incrE = dy * 2;
-            d = incrE + dx;
-            incrNE = (dy + dx) * 2;
-
-            if (y < devRect.y1)
-                goto flush_and_return;
-
-            while (x < x2) {
-                ++x;
-                if (d < 0) {
-                    if (spans[NSPANS - 1 - current].len > 0)
-                        ++current;
-                    if (current == NSPANS) {
-                        span_func(NSPANS, spans, data);
-                        current = 0;
-                    }
-
-                    --y;
-                    d += incrNE;
-                    if (y < devRect.y1)
-                        goto flush_and_return;
-
-                    const int index = NSPANS - 1 - current;
-                    spans[index].len = 0;
-                    spans[index].coverage = 255;
-                    spans[index].x = x;
-                    spans[index].y = y;
-                } else {
-                    d += incrE;
-                    if (x == devRect.x1)
-                        spans[NSPANS - 1 - current].x = devRect.x1;
-                }
-
-                if (x < devRect.x1 || y > y1)
-                    continue;
-
-                Q_ASSERT(x<devRect.x2 && y<devRect.y2);
-                Q_ASSERT(spans[NSPANS - 1 - current].y == y);
-                spans[NSPANS - 1 - current].len++;
-            }
-            if (spans[NSPANS - 1 - current].len > 0) {
-                ++current;
-            }
-        }
-
-    } else {
-
-        // if y is the major axis:
-
-        if (y2 < y1) {      /* if coordinates are out of order */
-            qt_swap_int(y1, y2);
-            dy = -dy;
-
-            qt_swap_int(x1, x2);
-            dx = -dx;
-        }
-
-        int y_lower_limit = - 128;
-        if (y1 < y_lower_limit) {
-            int cx = dx * (y_lower_limit - y1) / dy + x1;
-            drawLine_midpoint_i(cx, y_lower_limit, x2, y2, span_func, data, style, devRect);
-            return;
-        }
-
-        if (style == LineDrawNormal)
-            --y2;
-
-        // In the loops below we increment before call the span function so
-        // we need to stop one pixel before
-        y2 = qMin(y2, devRect.y2 - 1);
-
-        // completely clipped, so abort
-        if (y2 <= y1) {
-            return;
-        }
-
-        x = x1;
-        y = y1;
-
-        if (x>=devRect.x1 && y>=devRect.y1 && x < devRect.x2) {
-            Q_ASSERT(x >= devRect.x1 && y >= devRect.y1 && x < devRect.x2 && y < devRect.y2);
-            if (current == NSPANS) {
-                span_func(NSPANS, spans, data);
-                current = 0;
-            }
-            spans[current].len = 1;
-            spans[current].coverage = 255;
-            spans[current].x = x;
-            spans[current].y = y;
-            ++current;
-        }
-
-        if (x2 > x1) { // 90 -> 135 and 270 -> 315 (unit circle degrees)
-            x2 = qMin(x2, devRect.x2 - 1);
-            incrE = dx * 2;
-            d = incrE - dy;
-            incrNE = (dx - dy) * 2;
-
-            if (x > x2)
-                goto flush_and_return;
-
-            while (y < y2) {
-                if (d > 0) {
-                    ++x;
-                    d += incrNE;
-                    if (x > x2)
-                        goto flush_and_return;
-                } else {
-                    d += incrE;
-                }
-                ++y;
-                if (x < devRect.x1 || y < devRect.y1)
-                    continue;
-                Q_ASSERT(x<devRect.x2 && y<devRect.y2);
-                if (current == NSPANS) {
-                    span_func(NSPANS, spans, data);
-                    current = 0;
-                }
-                spans[current].len = 1;
-                spans[current].coverage = 255;
-                spans[current].x = x;
-                spans[current].y = y;
-                ++current;
-            }
-        } else { // 45 -> 90 and 225 -> 270 (unit circle degrees)
-            x1 = qMin(x1, devRect.x2 - 1);
-            incrE = dx * 2;
-            d = incrE + dy;
-            incrNE = (dx + dy) * 2;
-
-            if (x < devRect.x1)
-                goto flush_and_return;
-
-            while (y < y2) {
-                if (d < 0) {
-                    --x;
-                    d += incrNE;
-                    if (x < devRect.x1)
-                        goto flush_and_return;
-                } else {
-                    d += incrE;
-                }
-                ++y;
-                if (y < devRect.y1 || x > x1)
-                    continue;
-                Q_ASSERT(x>=devRect.x1 && x<devRect.x2 && y>=devRect.y1 && y<devRect.y2);
-                if (current == NSPANS) {
-                    span_func(NSPANS, spans, data);
-                    current = 0;
-                }
-                spans[current].len = 1;
-                spans[current].coverage = 255;
-                spans[current].x = x;
-                spans[current].y = y;
-                ++current;
-            }
-        }
-    }
-flush_and_return:
-    if (current > 0)
-        span_func(current, ordered ? spans : spans + (NSPANS - current), data);
-}
-
-static void offset_pattern(int offset, bool *inDash, int *dashIndex, int *currentOffset, const QVarLengthArray<qreal> &pattern)
-{
-    while (offset--) {
-        if (--*currentOffset == 0) {
-            *inDash = !*inDash;
-            *dashIndex = ((*dashIndex + 1) % pattern.size());
-            *currentOffset = int(pattern[*dashIndex]);
-        }
-    }
-}
-
-static void drawLine_midpoint_dashed_i(int x1, int y1, int x2, int y2,
-                                       QPen *pen,
-                                       ProcessSpans span_func, QSpanData *data,
-                                       LineDrawMode style, const QIntRect &devRect,
-                                       int *patternOffset)
-{
-#ifdef QT_DEBUG_DRAW
-    qDebug() << "   - drawLine_midpoint_dashed_i" << x1 << y1 << x2 << y2 << *patternOffset;
-#endif
-
-    int x, y;
-    int dx, dy, d, incrE, incrNE;
-
-    dx = x2 - x1;
-    dy = y2 - y1;
-
-    Q_ASSERT(*patternOffset >= 0);
-
-    const QVector<qreal> penPattern = pen->dashPattern();
-    QVarLengthArray<qreal> pattern(penPattern.size());
-
-    int patternLength = 0;
-    for (int i = 0; i < penPattern.size(); ++i)
-        patternLength += qMax<qreal>(1.0, (penPattern.at(i)));
-
-    // pattern must be reversed if coordinates are out of order
-    int reverseLength = -1;
-    if (dy == 0 && x1 > x2)
-        reverseLength = x1 - x2;
-    else if (dx == 0 && y1 > y2)
-        reverseLength = y1 - y2;
-    else if (qAbs(dx) >= qAbs(dy) && x2 < x1) // x major axis
-        reverseLength = qAbs(dx);
-    else if (qAbs(dy) >= qAbs(dx) && y2 < y1) // y major axis
-        reverseLength = qAbs(dy);
-
-    const bool reversed = (reverseLength > -1);
-    if (reversed) { // reverse pattern
-        for (int i = 0; i < penPattern.size(); ++i)
-            pattern[penPattern.size() - 1 - i] = qMax<qreal>(1.0, penPattern.at(i));
-
-        *patternOffset = (patternLength - 1 - *patternOffset);
-        *patternOffset += patternLength - (reverseLength % patternLength);
-        *patternOffset = *patternOffset % patternLength;
-    } else {
-        for (int i = 0; i < penPattern.size(); ++i)
-            pattern[i] = qMax<qreal>(1.0, penPattern.at(i));
-    }
-
-    int dashIndex = 0;
-    bool inDash = !reversed;
-    int currPattern = int(pattern[dashIndex]);
-
-    // adjust pattern for offset
-    offset_pattern(*patternOffset, &inDash, &dashIndex, &currPattern, pattern);
-
-    const int NSPANS = 256;
-    QT_FT_Span spans[NSPANS];
-    int current = 0;
-    bool ordered = true;
-
-    if (dy == 0) {
-        // specialcase horizontal lines
-        if (y1 >= devRect.y1 && y1 < devRect.y2) {
-            int start_unclipped = qMin(x1, x2);
-            int start = qMax(devRect.x1, start_unclipped);
-            int stop = qMax(x1, x2) + 1;
-            int stop_clipped = qMin(devRect.x2, stop);
-            int len = stop_clipped - start;
-            if (style == LineDrawNormal && stop == stop_clipped)
-                len--;
-
-            // adjust pattern for starting offset
-            offset_pattern(start - start_unclipped, &inDash, &dashIndex, &currPattern, pattern);
-
-            if (len > 0) {
-                int x = start;
-                while (x < stop_clipped) {
-                    if (current == NSPANS) {
-                        span_func(NSPANS, spans, data);
-                        current = 0;
-                    }
-                    const int dash = qMin(currPattern, stop_clipped - x);
-                    if (inDash) {
-                        spans[current].x = ushort(x);
-                        spans[current].len = ushort(dash);
-                        spans[current].y = y1;
-                        spans[current].coverage = 255;
-                        ++current;
-                    }
-                    if (dash < currPattern) {
-                        currPattern -= dash;
-                    } else {
-                        dashIndex = (dashIndex + 1) % pattern.size();
-                        currPattern = int(pattern[dashIndex]);
-                        inDash = !inDash;
-                    }
-                    x += dash;
-                }
-            }
-        }
-        goto flush_and_return;
-    } else if (dx == 0) {
-        if (x1 >= devRect.x1 && x1 < devRect.x2) {
-            int start_unclipped = qMin(y1, y2);
-            int start = qMax(devRect.y1, start_unclipped);
-            int stop = qMax(y1, y2) + 1;
-            int stop_clipped = qMin(devRect.y2, stop);
-            if (style == LineDrawNormal && stop == stop_clipped)
-                --stop;
-            else
-                stop = stop_clipped;
-
-            // adjust pattern for starting offset
-            offset_pattern(start - start_unclipped, &inDash, &dashIndex, &currPattern, pattern);
-
-            // loop over dashes
-            int y = start;
-            while (y < stop) {
-                const int dash = qMin(currPattern, stop - y);
-                if (inDash) {
-                    for (int i = 0; i < dash; ++i) {
-                        if (current == NSPANS) {
-                            span_func(NSPANS, spans, data);
-                            current = 0;
-                        }
-                        spans[current].x = x1;
-                        spans[current].len = 1;
-                        spans[current].coverage = 255;
-                        spans[current].y = ushort(y + i);
-                        ++current;
-                    }
-                }
-                if (dash < currPattern) {
-                    currPattern -= dash;
-                } else {
-                    dashIndex = (dashIndex + 1) % pattern.size();
-                    currPattern = int(pattern[dashIndex]);
-                    inDash = !inDash;
-                }
-                y += dash;
-            }
-        }
-        goto flush_and_return;
-    }
-
-    if (qAbs(dx) >= qAbs(dy)) {       /* if x is the major axis: */
-
-        if (x2 < x1) {  /* if coordinates are out of order */
-            qt_swap_int(x1, x2);
-            dx = -dx;
-
-            qt_swap_int(y1, y2);
-            dy = -dy;
-        }
-
-        if (style == LineDrawNormal)
-            --x2;
-
-        // In the loops below we increment before call the span function so
-        // we need to stop one pixel before
-        x2 = qMin(x2, devRect.x2 - 1);
-
-        // completely clipped, so abort
-        if (x2 <= x1)
-            goto flush_and_return;
-
-        int x = x1;
-        int y = y1;
-
-        if (x >= devRect.x1 && y >= devRect.y1 && y < devRect.y2) {
-            Q_ASSERT(x < devRect.x2);
-            if (inDash) {
-                if (current == NSPANS) {
-                    span_func(NSPANS, spans, data);
-                    current = 0;
-                }
-                spans[current].len = 1;
-                spans[current].coverage = 255;
-                spans[current].x = x;
-                spans[current].y = y;
-                ++current;
-            }
-            if (--currPattern <= 0) {
-                inDash = !inDash;
-                dashIndex = (dashIndex + 1) % pattern.size();
-                currPattern = int(pattern[dashIndex]);
-            }
-        }
-
-        if (y2 > y1) { // 315 -> 360 and 135 -> 180 (unit circle degrees)
-            y2 = qMin(y2, devRect.y2 - 1);
-
-            incrE = dy * 2;
-            d = incrE - dx;
-            incrNE = (dy - dx) * 2;
-
-            if (y > y2)
-                goto flush_and_return;
-
-            while (x < x2) {
-                if (d > 0) {
-                    ++y;
-                    d += incrNE;
-                    if (y > y2)
-                        goto flush_and_return;
-                } else {
-                    d += incrE;
-                }
-                ++x;
-
-                const bool skip = x < devRect.x1 || y < devRect.y1;
-                Q_ASSERT(skip || (x < devRect.x2 && y < devRect.y2));
-                if (inDash && !skip) {
-                    if (current == NSPANS) {
-                        span_func(NSPANS, spans, data);
-                        current = 0;
-                    }
-                    spans[current].len = 1;
-                    spans[current].coverage = 255;
-                    spans[current].x = x;
-                    spans[current].y = y;
-                    ++current;
-                }
-                if (--currPattern <= 0) {
-                    inDash = !inDash;
-                    dashIndex = (dashIndex + 1) % pattern.size();
-                    currPattern = int(pattern[dashIndex]);
-                }
-            }
-        } else {  // 0-45 and 180->225 (unit circle degrees)
-            y1 = qMin(y1, devRect.y2 - 1);
-
-            incrE = dy * 2;
-            d = incrE + dx;
-            incrNE = (dy + dx) * 2;
-
-            if (y < devRect.y1)
-                goto flush_and_return;
-
-            while (x < x2) {
-                if (d < 0) {
-                    if (current > 0) {
-                        span_func(current, spans, data);
-                        current = 0;
-                    }
-
-                    --y;
-                    d += incrNE;
-                    if (y < devRect.y1)
-                        goto flush_and_return;
-                } else {
-                    d += incrE;
-                }
-                ++x;
-
-                const bool skip = x < devRect.x1 || y > y1;
-                Q_ASSERT(skip || (x < devRect.x2 && y < devRect.y2));
-                if (inDash && !skip) {
-                    if (current == NSPANS) {
-                        span_func(NSPANS, spans, data);
-                        current = 0;
-                    }
-                    spans[current].len = 1;
-                    spans[current].coverage = 255;
-                    spans[current].x = x;
-                    spans[current].y = y;
-                    ++current;
-                }
-                if (--currPattern <= 0) {
-                    inDash = !inDash;
-                    dashIndex = (dashIndex + 1) % pattern.size();
-                    currPattern = int(pattern[dashIndex]);
-                }
-            }
-        }
-    } else {
-
-        // if y is the major axis:
-
-        if (y2 < y1) {      /* if coordinates are out of order */
-            qt_swap_int(y1, y2);
-            dy = -dy;
-
-            qt_swap_int(x1, x2);
-            dx = -dx;
-        }
-
-        if (style == LineDrawNormal)
-            --y2;
-
-        // In the loops below we increment before call the span function so
-        // we need to stop one pixel before
-        y2 = qMin(y2, devRect.y2 - 1);
-
-        // completely clipped, so abort
-        if (y2 <= y1)
-            goto flush_and_return;
-
-        x = x1;
-        y = y1;
-
-        if (x>=devRect.x1 && y>=devRect.y1 && x < devRect.x2) {
-            Q_ASSERT(x < devRect.x2);
-            if (inDash) {
-                if (current == NSPANS) {
-                    span_func(NSPANS, spans, data);
-                    current = 0;
-                }
-                spans[current].len = 1;
-                spans[current].coverage = 255;
-                spans[current].x = x;
-                spans[current].y = y;
-                ++current;
-            }
-            if (--currPattern <= 0) {
-                inDash = !inDash;
-                dashIndex = (dashIndex + 1) % pattern.size();
-                currPattern = int(pattern[dashIndex]);
-            }
-        }
-
-        if (x2 > x1) { // 90 -> 135 and 270 -> 315 (unit circle degrees)
-            x2 = qMin(x2, devRect.x2 - 1);
-            incrE = dx * 2;
-            d = incrE - dy;
-            incrNE = (dx - dy) * 2;
-
-            if (x > x2)
-                goto flush_and_return;
-
-            while (y < y2) {
-                if (d > 0) {
-                    ++x;
-                    d += incrNE;
-                    if (x > x2)
-                        goto flush_and_return;
-                } else {
-                    d += incrE;
-                }
-                ++y;
-                const bool skip = x < devRect.x1 || y < devRect.y1;
-                Q_ASSERT(skip || (x < devRect.x2 && y < devRect.y2));
-                if (inDash && !skip) {
-                    if (current == NSPANS) {
-                        span_func(NSPANS, spans, data);
-                        current = 0;
-                    }
-                    spans[current].len = 1;
-                    spans[current].coverage = 255;
-                    spans[current].x = x;
-                    spans[current].y = y;
-                    ++current;
-                }
-                if (--currPattern <= 0) {
-                    inDash = !inDash;
-                    dashIndex = (dashIndex + 1) % pattern.size();
-                    currPattern = int(pattern[dashIndex]);
-                }
-            }
-        } else { // 45 -> 90 and 225 -> 270 (unit circle degrees)
-            x1 = qMin(x1, devRect.x2 - 1);
-            incrE = dx * 2;
-            d = incrE + dy;
-            incrNE = (dx + dy) * 2;
-
-            if (x < devRect.x1)
-                goto flush_and_return;
-
-            while (y < y2) {
-                if (d < 0) {
-                    --x;
-                    d += incrNE;
-                    if (x < devRect.x1)
-                        goto flush_and_return;
-                } else {
-                    d += incrE;
-                }
-                ++y;
-                const bool skip = y < devRect.y1 || x > x1;
-                Q_ASSERT(skip || (x >= devRect.x1 && x < devRect.x2 && y < devRect.y2));
-                if (inDash && !skip) {
-                    if (current == NSPANS) {
-                        span_func(NSPANS, spans, data);
-                        current = 0;
-                    }
-                    spans[current].len = 1;
-                    spans[current].coverage = 255;
-                    spans[current].x = x;
-                    spans[current].y = y;
-                    ++current;
-                }
-                if (--currPattern <= 0) {
-                    inDash = !inDash;
-                    dashIndex = (dashIndex + 1) % pattern.size();
-                    currPattern = int(pattern[dashIndex]);
-                }
-            }
-        }
-    }
-flush_and_return:
-    if (current > 0)
-        span_func(current, ordered ? spans : spans + (NSPANS - current), data);
-
-    // adjust offset
-    if (reversed) {
-        *patternOffset = (patternLength - 1 - *patternOffset);
-    } else {
-        *patternOffset = 0;
-        for (int i = 0; i <= dashIndex; ++i)
-            *patternOffset += int(pattern[i]);
-        *patternOffset += patternLength - currPattern - 1;
-        *patternOffset = (*patternOffset % patternLength);
-    }
-}
-
 /*!
     \internal
     \a x and \a y is relative to the midpoint of \a rect.
diff --git a/src/gui/painting/qpaintengine_raster_p.h b/src/gui/painting/qpaintengine_raster_p.h
index 8859df0..8774fda 100644
--- a/src/gui/painting/qpaintengine_raster_p.h
+++ b/src/gui/painting/qpaintengine_raster_p.h
@@ -196,9 +196,6 @@ public:
     void stroke(const QVectorPath &path, const QPen &pen);
     void fill(const QVectorPath &path, const QBrush &brush);
 
-    void strokePolygonCosmetic(const QPoint *pts, int pointCount, PolygonDrawMode mode);
-    void strokePolygonCosmetic(const QPointF *pt, int pointCount, PolygonDrawMode mode);
-
     void clip(const QVectorPath &path, Qt::ClipOperation op);
     void clip(const QRect &rect, Qt::ClipOperation op);
     void clip(const QRegion &region, Qt::ClipOperation op);
@@ -249,6 +246,8 @@ public:
     virtual void drawBufferSpan(const uint *buffer, int bufsize,
                                 int x, int y, int length, uint const_alpha);
 #endif
+    bool supportsTransformations(const QFontEngine *fontEngine) const;
+    bool supportsTransformations(qreal pixelSize, const QTransform &m) const;
 
 protected:
     QRasterPaintEngine(QRasterPaintEnginePrivate &d, QPaintDevice *);
@@ -328,7 +327,6 @@ public:
     bool isUnclipped_normalized(const QRect &rect) const;
     bool isUnclipped(const QRect &rect, int penWidth) const;
     bool isUnclipped(const QRectF &rect, int penWidth) const;
-    ProcessSpans getPenFunc(const QRect &rect, const QSpanData *data) const;
     ProcessSpans getPenFunc(const QRectF &rect, const QSpanData *data) const;
     ProcessSpans getBrushFunc(const QRect &rect, const QSpanData *data) const;
     ProcessSpans getBrushFunc(const QRectF &rect, const QSpanData *data) const;
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp
index 30cf206..5105d9a 100644
--- a/src/gui/painting/qpaintengineex.cpp
+++ b/src/gui/painting/qpaintengineex.cpp
@@ -44,6 +44,8 @@
 #include "qstroker_p.h"
 #include "qbezier_p.h"
 #include <private/qpainterpath_p.h>
+#include <private/qfontengine_p.h>
+#include <private/qstatictext_p.h>
 
 #include <qvarlengtharray.h>
 #include <qdebug.h>
@@ -831,7 +833,7 @@ void QPaintEngineEx::drawEllipse(const QRectF &r)
 
     int point_count = 0;
     x.points[0] = qt_curves_for_arc(r, 0, -360, x.points + 1, &point_count);
-    QVectorPath vp((qreal *) pts, point_count, qpaintengineex_ellipse_types, QVectorPath::EllipseHint);
+    QVectorPath vp((qreal *) pts, point_count + 1, qpaintengineex_ellipse_types, QVectorPath::EllipseHint);
     draw(vp);
 }
 
@@ -1057,5 +1059,48 @@ Q_GUI_EXPORT QPainterPath qt_painterPathFromVectorPath(const QVectorPath &path)
     return p;
 }
 
+void QPaintEngineEx::drawStaticTextItem(QStaticTextItem *staticTextItem)
+{
+    QPainterPath path;
+#ifndef Q_WS_MAC
+    path.setFillRule(Qt::WindingFill);
+#endif
+
+    if (staticTextItem->numGlyphs == 0)
+        return;
+
+    QFontEngine *fontEngine = staticTextItem->fontEngine();
+    fontEngine->addGlyphsToPath(staticTextItem->glyphs, staticTextItem->glyphPositions,
+                                staticTextItem->numGlyphs, &path, 0);
+    if (!path.isEmpty()) {
+        QPainterState *s = state();
+        QPainter::RenderHints oldHints = s->renderHints;
+        bool changedHints = false;
+        if (bool(oldHints & QPainter::TextAntialiasing)
+            && !bool(fontEngine->fontDef.styleStrategy & QFont::NoAntialias)
+            && !bool(oldHints & QPainter::Antialiasing)) {
+            s->renderHints |= QPainter::Antialiasing;
+            renderHintsChanged();
+            changedHints = true;
+        }
+
+        fill(qtVectorPathForPath(path), s->pen.color());
+
+        if (changedHints) {
+            s->renderHints = oldHints;
+            renderHintsChanged();
+        }
+    }
+}
+
+bool QPaintEngineEx::supportsTransformations(qreal pixelSize, const QTransform &m) const
+{
+    Q_UNUSED(pixelSize);
+
+    if (!m.isAffine())
+        return true;
+
+    return false;
+}
 
 QT_END_NAMESPACE
diff --git a/src/gui/painting/qpaintengineex_p.h b/src/gui/painting/qpaintengineex_p.h
index 9730033..c605685 100644
--- a/src/gui/painting/qpaintengineex_p.h
+++ b/src/gui/painting/qpaintengineex_p.h
@@ -202,7 +202,7 @@ public:
 
     virtual void updateState(const QPaintEngineState &state);
 
-    virtual void drawStaticTextItem(QStaticTextItem *) = 0;
+    virtual void drawStaticTextItem(QStaticTextItem *);
 
     virtual void setState(QPainterState *s);
     inline QPainterState *state() { return static_cast<QPainterState *>(QPaintEngine::state); }
@@ -227,6 +227,7 @@ public:
         IsEmulationEngine = 0x02    // If set, this object is a QEmulationEngine.
     };
     virtual uint flags() const {return 0;}
+    virtual bool supportsTransformations(qreal pixelSize, const QTransform &m) const;
 
 protected:
     QPaintEngineEx(QPaintEngineExPrivate &data);
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 17b7451..5a566d1 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -152,14 +152,6 @@ static inline uint line_emulation(uint emulation)
                         | QPaintEngine_OpaqueBackground);
 }
 
-static bool qt_paintengine_supports_transformations(QPaintEngine::Type type)
-{
-    return type == QPaintEngine::OpenGL2
-            || type == QPaintEngine::OpenVG
-            || type == QPaintEngine::OpenGL
-            || type == QPaintEngine::CoreGraphics;
-}
-
 #ifndef QT_NO_DEBUG
 static bool qt_painter_thread_test(int devType, const char *what, bool extraCondition = false)
 {
@@ -2868,6 +2860,9 @@ void QPainter::setClipRect(const QRect &rect, Qt::ClipOperation op)
         return;
     }
 
+    if (d->state->clipOperation == Qt::NoClip && op == Qt::IntersectClip)
+        op = Qt::ReplaceClip;
+
     d->state->clipRegion = rect;
     d->state->clipOperation = op;
     if (op == Qt::NoClip || op == Qt::ReplaceClip)
@@ -2923,6 +2918,9 @@ void QPainter::setClipRegion(const QRegion &r, Qt::ClipOperation op)
         return;
     }
 
+    if (d->state->clipOperation == Qt::NoClip && op == Qt::IntersectClip)
+        op = Qt::ReplaceClip;
+
     d->state->clipRegion = r;
     d->state->clipOperation = op;
     if (op == Qt::NoClip || op == Qt::ReplaceClip)
@@ -3328,6 +3326,9 @@ void QPainter::setClipPath(const QPainterPath &path, Qt::ClipOperation op)
         return;
     }
 
+    if (d->state->clipOperation == Qt::NoClip && op == Qt::IntersectClip)
+        op = Qt::ReplaceClip;
+
     d->state->clipPath = path;
     d->state->clipOperation = op;
     if (op == Qt::NoClip || op == Qt::ReplaceClip)
@@ -5809,35 +5810,37 @@ void QPainter::drawGlyphRun(const QPointF &position, const QGlyphRun &glyphRun)
     if (!font.isValid())
         return;
 
-    QVector<quint32> glyphIndexes = glyphRun.glyphIndexes();
-    QVector<QPointF> glyphPositions = glyphRun.positions();
+    QGlyphRunPrivate *glyphRun_d = QGlyphRunPrivate::get(glyphRun);
 
-    int count = qMin(glyphIndexes.size(), glyphPositions.size());
-    QVarLengthArray<QFixedPoint, 128> fixedPointPositions(count);
+    const quint32 *glyphIndexes = glyphRun_d->glyphIndexData;
+    const QPointF *glyphPositions = glyphRun_d->glyphPositionData;
 
-    bool paintEngineSupportsTransformations =
-            d->extended != 0
-            ? qt_paintengine_supports_transformations(d->extended->type())
-            : qt_paintengine_supports_transformations(d->engine->type());
+    int count = qMin(glyphRun_d->glyphIndexDataSize, glyphRun_d->glyphPositionDataSize);
+    QVarLengthArray<QFixedPoint, 128> fixedPointPositions(count);
 
-    // If the matrix is not affine, the paint engine will fall back to
-    // drawing the glyphs as paths, which in turn means we should not
-    // preprocess the glyph positions
-    if (!d->state->matrix.isAffine())
-        paintEngineSupportsTransformations = true;
+    QRawFontPrivate *fontD = QRawFontPrivate::get(font);
+    bool supportsTransformations;
+    if (d->extended != 0) {
+        supportsTransformations = d->extended->supportsTransformations(fontD->fontEngine->fontDef.pixelSize,
+                                                                       d->state->matrix);
+    } else {
+        supportsTransformations = d->engine->type() == QPaintEngine::CoreGraphics
+                                  || d->state->matrix.isAffine();
+    }
 
     for (int i=0; i<count; ++i) {
-        QPointF processedPosition = position + glyphPositions.at(i);
-        if (!paintEngineSupportsTransformations)
+        QPointF processedPosition = position + glyphPositions[i];
+        if (!supportsTransformations)
             processedPosition = d->state->transform().map(processedPosition);
         fixedPointPositions[i] = QFixedPoint::fromPointF(processedPosition);
     }
 
-    d->drawGlyphs(glyphIndexes.data(), fixedPointPositions.data(), count, font, glyphRun.overline(),
+    d->drawGlyphs(glyphIndexes, fixedPointPositions.data(), count, font, glyphRun.overline(),
                   glyphRun.underline(), glyphRun.strikeOut());
 }
 
-void QPainterPrivate::drawGlyphs(quint32 *glyphArray, QFixedPoint *positions, int glyphCount,
+void QPainterPrivate::drawGlyphs(const quint32 *glyphArray, QFixedPoint *positions,
+                                 int glyphCount,
                                  const QRawFont &font, bool overline, bool underline,
                                  bool strikeOut)
 {
@@ -6004,11 +6007,12 @@ void QPainter::drawStaticText(const QPointF &topLeftPosition, const QStaticText
         return;
     }
 
-    bool paintEngineSupportsTransformations = qt_paintengine_supports_transformations(d->extended->type());
-    if (paintEngineSupportsTransformations && !staticText_d->untransformedCoordinates) {
+    bool supportsTransformations = d->extended->supportsTransformations(staticText_d->font.pixelSize(),
+                                                                        d->state->matrix);
+    if (supportsTransformations && !staticText_d->untransformedCoordinates) {
         staticText_d->untransformedCoordinates = true;
         staticText_d->needsRelayout = true;
-    } else if (!paintEngineSupportsTransformations && staticText_d->untransformedCoordinates) {
+    } else if (!supportsTransformations && staticText_d->untransformedCoordinates) {
         staticText_d->untransformedCoordinates = false;
         staticText_d->needsRelayout = true;
     }
@@ -6468,8 +6472,7 @@ static void drawTextItemDecoration(QPainter *painter, const QPointF &pos, const
     const qreal underlineOffset = fe->underlinePosition().toReal();
     // deliberately ceil the offset to avoid the underline coming too close to
     // the text above it.
-    const qreal aliasedCoordinateDelta = 0.5 - 0.015625;
-    const qreal underlinePos = pos.y() + qCeil(underlineOffset) - aliasedCoordinateDelta;
+    const qreal underlinePos = pos.y() + qCeil(underlineOffset);
 
     if (underlineStyle == QTextCharFormat::SpellCheckUnderline) {
         underlineStyle = QTextCharFormat::UnderlineStyle(QApplication::style()->styleHint(QStyle::SH_SpellCheckUnderlineStyle));
diff --git a/src/gui/painting/qpainter_p.h b/src/gui/painting/qpainter_p.h
index 35cdf86..79d4b4b 100644
--- a/src/gui/painting/qpainter_p.h
+++ b/src/gui/painting/qpainter_p.h
@@ -232,7 +232,7 @@ public:
     void drawOpaqueBackground(const QPainterPath &path, DrawOperation operation);
 
 #if !defined(QT_NO_RAWFONT)
-    void drawGlyphs(quint32 *glyphArray, QFixedPoint *positionArray, int glyphCount,
+    void drawGlyphs(const quint32 *glyphArray, QFixedPoint *positionArray, int glyphCount,
                     const QRawFont &font, bool overline = false, bool underline = false,
                     bool strikeOut = false);
 #endif
diff --git a/src/gui/painting/qrasterizer.cpp b/src/gui/painting/qrasterizer.cpp
index 6c5edbc..1d3f581 100644
--- a/src/gui/painting/qrasterizer.cpp
+++ b/src/gui/painting/qrasterizer.cpp
@@ -62,8 +62,8 @@ typedef int Q16Dot16;
 
 #define SPAN_BUFFER_SIZE 256
 
-#define COORD_ROUNDING 0 // 0: round up, 1: round down
-#define COORD_OFFSET 0 // 26.6, 32 is half a pixel
+#define COORD_ROUNDING 1 // 0: round up, 1: round down
+#define COORD_OFFSET 32 // 26.6, 32 is half a pixel
 
 static inline QT_FT_Vector PointToVector(const QPointF &p)
 {
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp
index 53fefa4..fdba9c9 100644
--- a/src/gui/painting/qtextureglyphcache.cpp
+++ b/src/gui/painting/qtextureglyphcache.cpp
@@ -296,14 +296,10 @@ void QTextureGlyphCache::fillInPendingGlyphs()
 QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g, QFixed subPixelPosition) const
 {
 #if defined(Q_WS_X11)
-    if (m_transform.type() > QTransform::TxTranslate && m_current_fontengine->type() == QFontEngine::Freetype) {
+    if (m_type != Raster_RGBMask && m_transform.type() > QTransform::TxTranslate && m_current_fontengine->type() == QFontEngine::Freetype) {
         QFontEngineFT::GlyphFormat format = QFontEngineFT::Format_None;
         QImage::Format imageFormat = QImage::Format_Invalid;
         switch (m_type) {
-        case Raster_RGBMask:
-            format = QFontEngineFT::Format_A32;
-            imageFormat = QImage::Format_RGB32;
-            break;
         case Raster_A8:
             format = QFontEngineFT::Format_A8;
             imageFormat = QImage::Format_Indexed8;
@@ -312,6 +308,10 @@ QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g, QFixed subPixelPosition
             format = QFontEngineFT::Format_Mono;
             imageFormat = QImage::Format_Mono;
             break;
+        case Raster_RGBMask:
+            // impossible condition (see the if-clause above)
+            // this option is here only to silence a compiler warning
+            break;
         };
 
         QFontEngineFT *ft = static_cast<QFontEngineFT*> (m_current_fontengine);
@@ -367,7 +367,9 @@ void QImageTextureGlyphCache::createTextureData(int width, int height)
 
 int QImageTextureGlyphCache::glyphMargin() const
 {
-#if (defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA)) || defined(Q_WS_X11)
+#if (defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA))
+    return 1;
+#elif defined(Q_WS_X11)
     return 0;
 #else
     return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0;
@@ -386,7 +388,7 @@ void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g, QFixed subP
     }
 #endif
 
-    if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {        
+    if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {
         QImage ref(m_image.bits() + (c.x * 4 + c.y * m_image.bytesPerLine()),
                    qMax(mask.width(), c.w), qMax(mask.height(), c.h), m_image.bytesPerLine(),
                    m_image.format());
diff --git a/src/gui/painting/qunifiedtoolbarsurface_mac.cpp b/src/gui/painting/qunifiedtoolbarsurface_mac.cpp
index aecbf2b..1eb5e61 100644
--- a/src/gui/painting/qunifiedtoolbarsurface_mac.cpp
+++ b/src/gui/painting/qunifiedtoolbarsurface_mac.cpp
@@ -171,10 +171,8 @@ void QUnifiedToolbarSurface::flush(QWidget *widget)
     if (!d->image)
         return;
 
-    if (widget->d_func()->flushRequested) {
-        // We call display: directly to avoid flickering in the toolbar.
-        qt_mac_display(widget);
-    }
+    if (widget->d_func()->flushRequested)
+        qt_mac_setNeedsDisplay(widget);
 }
 
 void QUnifiedToolbarSurface::prepareBuffer(QImage::Format format, QWidget *widget)
diff --git a/src/gui/painting/qwindowsurface_qws.cpp b/src/gui/painting/qwindowsurface_qws.cpp
index c52f864..3789a33 100644
--- a/src/gui/painting/qwindowsurface_qws.cpp
+++ b/src/gui/painting/qwindowsurface_qws.cpp
@@ -806,6 +806,10 @@ QWSMemorySurface::QWSMemorySurface(QWidget *w)
 
 QWSMemorySurface::~QWSMemorySurface()
 {
+#ifndef QT_NO_QWS_MULTIPROCESS
+    if (memlock != QWSDisplay::Data::getClientLock())
+        delete memlock;
+#endif
 }
 
 
@@ -852,9 +856,9 @@ void QWSMemorySurface::setLock(int lockId)
 {
     if (memlock && memlock->id() == lockId)
         return;
-    delete memlock;
+    if (memlock != QWSDisplay::Data::getClientLock())
+        delete memlock;
     memlock = (lockId == -1 ? 0 : new QWSLock(lockId));
-    return;
 }
 #endif // QT_NO_QWS_MULTIPROCESS
 
@@ -946,37 +950,39 @@ void QWSLocalMemSurface::setGeometry(const QRect &rect)
     }
 
     uchar *deleteLater = 0;
-    // In case of a Hide event we need to delete the memory after sending the
-    // event to the server in order to let the server animate the event.
-    if (size.isEmpty()) {
-        deleteLater = mem;
-        mem = 0;
-    }
 
     if (img.size() != size) {
-        delete[] mem;
         if (size.isEmpty()) {
+            if (memsize) {
+                // In case of a Hide event we need to delete the memory after sending the
+                // event to the server in order to let the server animate the event.
+                deleteLater = mem;
+                memsize = 0;
+            }
             mem = 0;
             img = QImage();
         } else {
             const QImage::Format format = preferredImageFormat(win);
             const int bpl = nextMulOf4(bytesPerPixel(format) * size.width());
-            const int memsize = bpl * size.height();
-            mem = new uchar[memsize];
+            const int imagesize = bpl * size.height();
+            if (memsize < imagesize) {
+                delete[] mem;
+                memsize = imagesize;
+                mem = new uchar[memsize];
+            }
             img = QImage(mem, size.width(), size.height(), bpl, format);
             setImageMetrics(img, win);
         }
     }
 
     QWSWindowSurface::setGeometry(rect);
+
     delete[] deleteLater;
 }
 
 QByteArray QWSLocalMemSurface::permanentState() const
 {
-    QByteArray array;
-    array.resize(sizeof(uchar*) + 3 * sizeof(int) +
-                 sizeof(SurfaceFlags));
+    QByteArray array(sizeof(uchar*) + 3 * sizeof(int) + sizeof(SurfaceFlags), Qt::Uninitialized);
 
     char *ptr = array.data();
 
@@ -997,6 +1003,11 @@ QByteArray QWSLocalMemSurface::permanentState() const
 
 void QWSLocalMemSurface::setPermanentState(const QByteArray &data)
 {
+    if (memsize) {
+        delete[] mem;
+        memsize = 0;
+    }
+
     int width;
     int height;
     QImage::Format format;
@@ -1023,6 +1034,10 @@ void QWSLocalMemSurface::setPermanentState(const QByteArray &data)
 
 void QWSLocalMemSurface::releaseSurface()
 {
+    if (memsize) {
+        delete[] mem;
+        memsize = 0;
+    }
     mem = 0;
     img = QImage();
 }
@@ -1050,10 +1065,12 @@ bool QWSSharedMemSurface::setMemory(int memId)
         return true;
 
     mem.detach();
-    if (!mem.attach(memId)) {
+
+    if (memId != -1 && !mem.attach(memId)) {
+#ifndef QT_NO_DEBUG
         perror("QWSSharedMemSurface: attaching to shared memory");
-        qCritical("QWSSharedMemSurface: Error attaching to"
-                  " shared memory 0x%x", memId);
+        qCritical("QWSSharedMemSurface: Error attaching to shared memory 0x%x", memId);
+#endif
         return false;
     }
 
@@ -1064,17 +1081,15 @@ bool QWSSharedMemSurface::setMemory(int memId)
 void QWSSharedMemSurface::setDirectRegion(const QRegion &r, int id)
 {
     QWSMemorySurface::setDirectRegion(r, id);
-    if(mem.address())
+    if (mem.address())
         *(uint *)mem.address() = id;
 }
 
 const QRegion QWSSharedMemSurface::directRegion() const
 {
-    QWSSharedMemory *cmem = const_cast<QWSSharedMemory *>(&mem);
-    if (cmem->address() && ((int*)cmem->address())[0] == directRegionId())
+    if (mem.address() && *(uint *)mem.address() == uint(directRegionId())
         return QWSMemorySurface::directRegion();
-    else
-        return QRegion();
+    return QRegion();
 }
 #endif
 
@@ -1117,8 +1132,6 @@ void QWSSharedMemSurface::setGeometry(const QRect &rect)
             mem.detach();
             img = QImage();
         } else {
-            mem.detach();
-
             QWidget *win = window();
             const QImage::Format format = preferredImageFormat(win);
             const int bpl = nextMulOf4(bytesPerPixel(format) * size.width());
@@ -1127,9 +1140,12 @@ void QWSSharedMemSurface::setGeometry(const QRect &rect)
 #else
             const int imagesize = bpl * size.height();
 #endif
-            if (!mem.create(imagesize)) {
-                perror("QWSSharedMemSurface::setGeometry allocating shared memory");
-                qFatal("Error creating shared memory of size %d", imagesize);
+            if (mem.size() < imagesize) {
+                mem.detach();
+                if (!mem.create(imagesize)) {
+                    perror("QWSSharedMemSurface::setGeometry allocating shared memory");
+                    qFatal("Error creating shared memory of size %d", imagesize);
+                }
             }
 #ifdef QT_QWS_CLIENTBLIT
             *((uint *)mem.address()) = 0;
@@ -1147,8 +1163,7 @@ void QWSSharedMemSurface::setGeometry(const QRect &rect)
 
 QByteArray QWSSharedMemSurface::permanentState() const
 {
-    QByteArray array;
-    array.resize(6 * sizeof(int));
+    QByteArray array(6 * sizeof(int), Qt::Uninitialized);
 
     int *ptr = reinterpret_cast<int*>(array.data());
 
@@ -1222,8 +1237,8 @@ bool QWSOnScreenSurface::isValid() const
 
 QByteArray QWSOnScreenSurface::permanentState() const
 {
-    QByteArray array;
-    array.resize(sizeof(int));
+    QByteArray array(sizeof(int), Qt::Uninitialized);
+
     int *ptr = reinterpret_cast<int*>(array.data());
     ptr[0] = QApplication::desktop()->screenNumber(window());
     return array;
@@ -1263,8 +1278,7 @@ QWSYellowSurface::~QWSYellowSurface()
 
 QByteArray QWSYellowSurface::permanentState() const
 {
-    QByteArray array;
-    array.resize(2 * sizeof(int));
+    QByteArray array(2 * sizeof(int), Qt::Uninitialized);
 
     int *ptr = reinterpret_cast<int*>(array.data());
     ptr[0] = surfaceSize.width();
diff --git a/src/gui/styles/qs60style_feedbackinterface_p.h b/src/gui/styles/qs60style_feedbackinterface_p.h
new file mode 100644
index 0000000..81fcdc3
--- /dev/null
+++ b/src/gui/styles/qs60style_feedbackinterface_p.h
@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QObject>
+
+class TactileFeedbackInterface : public QObject
+{
+    public:
+        virtual void touchFeedback(QEvent *event, const QWidget *widget) = 0;
+};
+
+Q_DECLARE_INTERFACE(TactileFeedbackInterface, "com.trolltech.Qt.TactileFeedbackInterface/1.0")
diff --git a/src/gui/text/qfont.cpp b/src/gui/text/qfont.cpp
index 90dd029..d4c81b9 100644
--- a/src/gui/text/qfont.cpp
+++ b/src/gui/text/qfont.cpp
@@ -348,6 +348,9 @@ void QFontPrivate::resolve(uint mask, const QFontPrivate *other)
     if (! (mask & QFont::FamilyResolved))
         request.family = other->request.family;
 
+    if (! (mask & QFont::StyleNameResolved))
+        request.styleName = other->request.styleName;
+
     if (! (mask & QFont::SizeResolved)) {
         request.pointSize = other->request.pointSize;
         request.pixelSize = other->request.pixelSize;
@@ -897,6 +900,38 @@ void QFont::setFamily(const QString &family)
 }
 
 /*!
+    \since 4.8
+
+    Returns the requested font style name, it will be used to match the
+    font with irregular styles (that can't be normalized in other style
+    properties). It depends on system font support, thus only works for
+    Mac OS X and X11 so far. On Windows irregular styles will be added
+    as separate font families so there is no need for this.
+
+    \sa setFamily() setStyle()
+*/
+QString QFont::styleName() const
+{
+    return d->request.styleName;
+}
+
+/*!
+    \since 4.8
+
+    Sets the style name of the font. When set, other style properties
+    like \a style() and \a weight() will be ignored for font matching.
+
+    \sa styleName()
+*/
+void QFont::setStyleName(const QString &styleName)
+{
+    detach();
+
+    d->request.styleName = styleName;
+    resolve_mask |= QFont::StyleNameResolved;
+}
+
+/*!
     Returns the point size of the font. Returns -1 if the font size
     was specified in pixels.
 
@@ -2509,6 +2544,21 @@ QString QFontInfo::family() const
 }
 
 /*!
+    \since 4.8
+
+    Returns the style name of the matched window system font on
+    system that supports it.
+
+    \sa QFont::styleName()
+*/
+QString QFontInfo::styleName() const
+{
+    QFontEngine *engine = d->engineForScript(QUnicodeTables::Common);
+    Q_ASSERT(engine != 0);
+    return engine->fontDef.styleName;
+}
+
+/*!
     Returns the point size of the matched window system font.
 
     \sa pointSizeF() QFont::pointSize()
diff --git a/src/gui/text/qfont.h b/src/gui/text/qfont.h
index 7636ecf..14f290c 100644
--- a/src/gui/text/qfont.h
+++ b/src/gui/text/qfont.h
@@ -156,7 +156,8 @@ public:
         LetterSpacingResolved       = 0x2000,
         WordSpacingResolved         = 0x4000,
         HintingPreferenceResolved   = 0x8000,
-        AllPropertiesResolved       = 0xffff
+        StyleNameResolved           = 0x10000,
+        AllPropertiesResolved       = 0x1ffff
     };
 
     QFont();
@@ -168,6 +169,9 @@ public:
     QString family() const;
     void setFamily(const QString &);
 
+    QString styleName() const;
+    void setStyleName(const QString &);
+
     int pointSize() const;
     void setPointSize(int);
     qreal pointSizeF() const;
diff --git a/src/gui/text/qfont_p.h b/src/gui/text/qfont_p.h
index d36518e..8eeae6f 100644
--- a/src/gui/text/qfont_p.h
+++ b/src/gui/text/qfont_p.h
@@ -80,6 +80,7 @@ struct QFontDef
     }
 
     QString family;
+    QString styleName;
 
 #ifdef Q_WS_X11
     QString addStyle;
diff --git a/src/gui/text/qfontdatabase_mac.cpp b/src/gui/text/qfontdatabase_mac.cpp
index 954b5c2..60cf586 100644
--- a/src/gui/text/qfontdatabase_mac.cpp
+++ b/src/gui/text/qfontdatabase_mac.cpp
@@ -249,6 +249,63 @@ static inline float weightToFloat(unsigned int weight)
     return (weight - 50) / 100.0;
 }
 
+static QFontEngine *loadFromDatabase(const QFontDef &req, const QFontPrivate *d)
+{
+#if defined(QT_MAC_USE_COCOA)
+    QCFString fontName = NULL;
+#else
+    ATSFontFamilyRef familyRef = 0;
+    ATSFontRef fontRef = 0;
+#endif
+
+    QStringList family_list = familyList(req);
+
+    const char *stylehint = styleHint(req);
+    if (stylehint)
+        family_list << QLatin1String(stylehint);
+
+    // add QFont::defaultFamily() to the list, for compatibility with previous versions
+    family_list << QApplication::font().defaultFamily();
+
+    QMutexLocker locker(fontDatabaseMutex());
+    QFontDatabasePrivate *db = privateDb();
+    if (!db->count)
+        initializeDb();
+    for (int i = 0; i < family_list.size(); ++i) {
+        for (int k = 0; k < db->count; ++k) {
+            if (db->families[k]->name.compare(family_list.at(i), Qt::CaseInsensitive) == 0) {
+                QByteArray family_name = db->families[k]->name.toUtf8();
+#if defined(QT_MAC_USE_COCOA)
+                QCFType<CTFontRef> ctFont = CTFontCreateWithName(QCFString(db->families[k]->name), 12, NULL);
+                if (ctFont) {
+                    fontName = CTFontCopyFullName(ctFont);
+                    goto found;
+                }
+#else
+                familyRef = ATSFontFamilyFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
+                if (familyRef) {
+                    fontRef = ATSFontFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
+                    goto found;
+                }
+#endif
+            }
+        }
+    }
+found:
+#ifdef QT_MAC_USE_COCOA
+    if (fontName)
+        return new QCoreTextFontEngineMulti(fontName, req, d->kerning);
+#else
+    if (familyRef) {
+        QCFString actualName;
+        if (ATSFontFamilyGetName(familyRef, kATSOptionFlagsDefault, &actualName) == noErr)
+            req.family = actualName;
+        return new QFontEngineMacMulti(familyRef, req, fontDef, d->kerning);
+    }
+#endif
+    return NULL;
+}
+
 void QFontDatabase::load(const QFontPrivate *d, int script)
 {
     // sanity checks
@@ -289,69 +346,38 @@ void QFontDatabase::load(const QFontPrivate *d, int script)
         return; // the font info and fontdef should already be filled
     }
 
-    //find the font
-    QStringList family_list = familyList(req);
-
-    const char *stylehint = styleHint(req);
-    if (stylehint)
-        family_list << QLatin1String(stylehint);
-
-    // add QFont::defaultFamily() to the list, for compatibility with
-    // previous versions
-    family_list << QApplication::font().defaultFamily();
-
+    QFontEngine *engine = NULL;
 #if defined(QT_MAC_USE_COCOA)
-    QCFString fontName = NULL, familyName = NULL;
-#else
-    ATSFontFamilyRef familyRef = 0;
-    ATSFontRef fontRef = 0;
-#endif
-
-    QMutexLocker locker(fontDatabaseMutex());
-    QFontDatabasePrivate *db = privateDb();
-    if (!db->count)
-        initializeDb();
-    for(int i = 0; i < family_list.size(); ++i) {
-        for (int k = 0; k < db->count; ++k) {
-            if (db->families[k]->name.compare(family_list.at(i), Qt::CaseInsensitive) == 0) {
-                QByteArray family_name = db->families[k]->name.toUtf8();
-#if defined(QT_MAC_USE_COCOA)
-                QCFType<CTFontRef> ctFont = CTFontCreateWithName(QCFString(db->families[k]->name), 12, NULL);
-                if (ctFont) {
-                    fontName = CTFontCopyFullName(ctFont);
-                    familyName = CTFontCopyFamilyName(ctFont);
-                    goto FamilyFound;
-                }
-#else
-                familyRef = ATSFontFamilyFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
-                if (familyRef) {
-                    fontRef = ATSFontFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
-                    goto FamilyFound;
-                }
-#endif
+    // Shortcut to get the font directly without going through the font database
+    if (!req.family.isEmpty() && !req.styleName.isEmpty()) {
+        QCFString expectedFamily = QCFString(req.family);
+        QCFString expectedStyle = QCFString(req.styleName);
+
+        QCFType<CFMutableDictionaryRef> attributes = CFDictionaryCreateMutable(NULL, 0,
+            &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+        CFDictionaryAddValue(attributes, kCTFontFamilyNameAttribute, expectedFamily);
+        CFDictionaryAddValue(attributes, kCTFontStyleNameAttribute, expectedStyle);
+
+        QCFType<CTFontDescriptorRef> descriptor = CTFontDescriptorCreateWithAttributes(attributes);
+        CGAffineTransform transform = qt_transform_from_fontdef(req);
+        QCFType<CTFontRef> ctFont = CTFontCreateWithFontDescriptor(descriptor, req.pixelSize, &transform);
+        if (ctFont) {
+            QCFString familyName = CTFontCopyFamilyName(ctFont);
+            // Only accept the font if the family name is exactly the same as we specified
+            if (CFEqual(expectedFamily, familyName)) {
+                engine = new QCoreTextFontEngineMulti(ctFont, req, d->kerning);
             }
         }
     }
-FamilyFound:
-    //fill in the engine's font definition
-    QFontDef fontDef = d->request; //copy..
-    if(fontDef.pointSize < 0)
-        fontDef.pointSize = qt_mac_pointsize(fontDef, d->dpi);
-    else
-        fontDef.pixelSize = qt_mac_pixelsize(fontDef, d->dpi);
-
-#ifdef QT_MAC_USE_COCOA
-    fontDef.family = familyName;
-    QFontEngine *engine = new QCoreTextFontEngineMulti(fontName, fontDef, d->kerning);
-#else
-    QCFString actualName;
-    if (ATSFontFamilyGetName(familyRef, kATSOptionFlagsDefault, &actualName) == noErr)
-        fontDef.family = actualName;
-    QFontEngine *engine = new QFontEngineMacMulti(familyRef, fontRef, fontDef, d->kerning);
 #endif
-    d->engineData->engine = engine;
-    engine->ref.ref(); //a ref for the engineData->engine
-    QFontCache::instance()->insertEngine(key, engine);
+    if (!engine)
+        engine = loadFromDatabase(req, d);
+
+    if (engine) {
+        d->engineData->engine = engine;
+        engine->ref.ref();
+        QFontCache::instance()->insertEngine(key, engine);
+    }
 }
 
 static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt)
diff --git a/src/gui/text/qfontdatabase_qws.cpp b/src/gui/text/qfontdatabase_qws.cpp
index c5a04f1..313000f 100644
--- a/src/gui/text/qfontdatabase_qws.cpp
+++ b/src/gui/text/qfontdatabase_qws.cpp
@@ -75,6 +75,11 @@
 #include <qresource.h>
 #endif
 
+#ifdef Q_OS_QNX
+// ### using QFontEngineQPF leads to artifacts on QNX
+#  define QT_NO_QWS_SHARE_FONTS
+#endif
+
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_LIBRARY
@@ -759,9 +764,6 @@ bool QFontDatabase::supportsThreadedFontRendering()
     return true;
 }
 
-/*!
-    \internal
-*/
 QFontEngine *
 QFontDatabase::findFont(int script, const QFontPrivate *fp,
                         const QFontDef &request)
diff --git a/src/gui/text/qfontdatabase_x11.cpp b/src/gui/text/qfontdatabase_x11.cpp
index 8a13d91..958daa2 100644
--- a/src/gui/text/qfontdatabase_x11.cpp
+++ b/src/gui/text/qfontdatabase_x11.cpp
@@ -1452,6 +1452,35 @@ static const char *styleHint(const QFontDef &request)
 
 void qt_addPatternProps(FcPattern *pattern, int screen, int script, const QFontDef &request)
 {
+    double size_value = qMax(qreal(1.), request.pixelSize);
+    FcPatternDel(pattern, FC_PIXEL_SIZE);
+    FcPatternAddDouble(pattern, FC_PIXEL_SIZE, size_value);
+
+    if (X11->display && QX11Info::appDepth(screen) <= 8) {
+        FcPatternDel(pattern, FC_ANTIALIAS);
+        // can't do antialiasing on 8bpp
+        FcPatternAddBool(pattern, FC_ANTIALIAS, false);
+    } else if (request.styleStrategy & (QFont::PreferAntialias|QFont::NoAntialias)) {
+        FcPatternDel(pattern, FC_ANTIALIAS);
+        FcPatternAddBool(pattern, FC_ANTIALIAS,
+                         !(request.styleStrategy & QFont::NoAntialias));
+    }
+
+    if (script != QUnicodeTables::Common && *specialLanguages[script] != '\0') {
+        Q_ASSERT(script < QUnicodeTables::ScriptCount);
+        FcLangSet *ls = FcLangSetCreate();
+        FcLangSetAdd(ls, (const FcChar8*)specialLanguages[script]);
+        FcPatternDel(pattern, FC_LANG);
+        FcPatternAddLangSet(pattern, FC_LANG, ls);
+        FcLangSetDestroy(ls);
+    }
+
+    if (!request.styleName.isEmpty()) {
+        QByteArray cs = request.styleName.toUtf8();
+        FcPatternAddString(pattern, FC_STYLE, (const FcChar8 *) cs.constData());
+        return;
+    }
+
     int weight_value = FC_WEIGHT_BLACK;
     if (request.weight == 0)
         weight_value = FC_WEIGHT_MEDIUM;
@@ -1474,34 +1503,11 @@ void qt_addPatternProps(FcPattern *pattern, int screen, int script, const QFontD
     FcPatternDel(pattern, FC_SLANT);
     FcPatternAddInteger(pattern, FC_SLANT, slant_value);
 
-    double size_value = qMax(qreal(1.), request.pixelSize);
-    FcPatternDel(pattern, FC_PIXEL_SIZE);
-    FcPatternAddDouble(pattern, FC_PIXEL_SIZE, size_value);
-
     int stretch = request.stretch;
     if (!stretch)
         stretch = 100;
     FcPatternDel(pattern, FC_WIDTH);
     FcPatternAddInteger(pattern, FC_WIDTH, stretch);
-
-    if (X11->display && QX11Info::appDepth(screen) <= 8) {
-        FcPatternDel(pattern, FC_ANTIALIAS);
-        // can't do antialiasing on 8bpp
-        FcPatternAddBool(pattern, FC_ANTIALIAS, false);
-    } else if (request.styleStrategy & (QFont::PreferAntialias|QFont::NoAntialias)) {
-        FcPatternDel(pattern, FC_ANTIALIAS);
-        FcPatternAddBool(pattern, FC_ANTIALIAS,
-                         !(request.styleStrategy & QFont::NoAntialias));
-    }
-
-    if (script != QUnicodeTables::Common && *specialLanguages[script] != '\0') {
-        Q_ASSERT(script < QUnicodeTables::ScriptCount);
-        FcLangSet *ls = FcLangSetCreate();
-        FcLangSetAdd(ls, (const FcChar8*)specialLanguages[script]);
-        FcPatternDel(pattern, FC_LANG);
-        FcPatternAddLangSet(pattern, FC_LANG, ls);
-        FcLangSetDestroy(ls);
-    }
 }
 
 static bool preferScalable(const QFontDef &request)
@@ -1560,9 +1566,8 @@ static FcPattern *getFcPattern(const QFontPrivate *fp, int script, const QFontDe
 
     qt_addPatternProps(pattern, fp->screen, script, request);
 
-    FcDefaultSubstitute(pattern);
     FcConfigSubstitute(0, pattern, FcMatchPattern);
-    FcConfigSubstitute(0, pattern, FcMatchFont);
+    FcDefaultSubstitute(pattern);
 
     // these should only get added to the pattern _after_ substitution
     // append the default fallback font for the specified script
@@ -1600,35 +1605,20 @@ static void FcFontSetRemove(FcFontSet *fs, int at)
         memmove(fs->fonts + at, fs->fonts + at + 1, len);
 }
 
-static QFontEngine *tryPatternLoad(FcPattern *p, int screen,
-                                   const QFontDef &request, int script, FcPattern **matchedPattern = 0)
+static QFontEngine *tryPatternLoad(FcPattern *match, int screen,
+                                   const QFontDef &request, int script)
 {
 #ifdef FONT_MATCH_DEBUG
     FcChar8 *fam;
-    FcPatternGetString(p, FC_FAMILY, 0, &fam);
+    FcPatternGetString(match, FC_FAMILY, 0, &fam);
     FM_DEBUG("==== trying %s\n", fam);
 #endif
     FM_DEBUG("passes charset test\n");
-    FcPattern *pattern = FcPatternDuplicate(p);
-    // add properties back in as the font selected from the
-    // list doesn't contain them.
-    qt_addPatternProps(pattern, screen, script, request);
-
-    FcConfigSubstitute(0, pattern, FcMatchPattern);
-    FcDefaultSubstitute(pattern);
-    FcResult res;
-    FcPattern *match = FcFontMatch(0, pattern, &res);
-
-    if (matchedPattern)
-	*matchedPattern = 0;
 
     QFontEngineX11FT *engine = 0;
     if (!match) // probably no fonts available.
         goto done;
 
-    if (matchedPattern)
-	*matchedPattern = FcPatternDuplicate(match);
-
     if (script != QUnicodeTables::Common) {
         // skip font if it doesn't support the language we want
         if (specialChars[script]) {
@@ -1667,11 +1657,6 @@ static QFontEngine *tryPatternLoad(FcPattern *p, int screen,
         }
     }
 done:
-    FcPatternDestroy(pattern);
-    if (!engine && matchedPattern && *matchedPattern) {
-        FcPatternDestroy(*matchedPattern);
-        *matchedPattern = 0;
-    }
     return engine;
 }
 
@@ -1720,14 +1705,26 @@ static QFontEngine *loadFc(const QFontPrivate *fp, int script, const QFontDef &r
 #endif
 
     QFontEngine *fe = 0;
-    FcPattern *matchedPattern = 0;
-    fe = tryPatternLoad(pattern, fp->screen, request, script, &matchedPattern);
+    FcResult res;
+    FcPattern *match = FcFontMatch(0, pattern, &res);
+    fe = tryPatternLoad(match, fp->screen, request, script);
     if (!fe) {
         FcFontSet *fs = qt_fontSetForPattern(pattern, request);
 
+        if (match) {
+            FcPatternDestroy(match);
+            match = 0;
+        }
+
         if (fs) {
-            for (int i = 0; !fe && i < fs->nfont; ++i)
-                fe = tryPatternLoad(fs->fonts[i], fp->screen, request, script, &matchedPattern);
+            for (int i = 0; !fe && i < fs->nfont; ++i) {
+                match = FcFontRenderPrepare(NULL, pattern, fs->fonts[i]);
+                fe = tryPatternLoad(match, fp->screen, request, script);
+                if (fe)
+                    break;
+                FcPatternDestroy(match);
+                match = 0;
+            }
             FcFontSetDestroy(fs);
         }
         FM_DEBUG("engine for script %d is %s\n", script, fe ? fe->fontDef.family.toLatin1().data(): "(null)");
@@ -1735,11 +1732,11 @@ static QFontEngine *loadFc(const QFontPrivate *fp, int script, const QFontDef &r
     if (fe
         && script == QUnicodeTables::Common
         && !(request.styleStrategy & QFont::NoFontMerging) && !fe->symbol) {
-        fe = new QFontEngineMultiFT(fe, matchedPattern, pattern, fp->screen, request);
+        fe = new QFontEngineMultiFT(fe, match, pattern, fp->screen, request);
     } else {
         FcPatternDestroy(pattern);
-        if (matchedPattern)
-            FcPatternDestroy(matchedPattern);
+        if (match)
+            FcPatternDestroy(match);
     }
     return fe;
 }
@@ -1996,6 +1993,11 @@ void QFontDatabase::load(const QFontPrivate *d, int script)
     QFontCache::instance()->insertEngine(key, fe);
 }
 
+// Needed for fontconfig version < 2.2.97
+#ifndef FC_FAMILYLANG
+#define FC_FAMILYLANG "familylang"
+#endif
+
 static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt)
 {
 #if defined(QT_NO_FONTCONFIG)
@@ -2044,7 +2046,8 @@ static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt)
             return;
 
         FcPatternDel(pattern, FC_FILE);
-        FcPatternAddString(pattern, FC_FILE, (const FcChar8 *)fnt->fileName.toUtf8().constData());
+        QByteArray cs = fnt->fileName.toUtf8();
+        FcPatternAddString(pattern, FC_FILE, (const FcChar8 *) cs.constData());
 
         FcChar8 *fam = 0, *familylang = 0;
         int i, n = 0;
@@ -2130,7 +2133,8 @@ QString QFontDatabase::resolveFontFamilyAlias(const QString &family)
     if (!pattern)
         return family;
 
-    FcPatternAddString(pattern, FC_FAMILY, (const FcChar8 *) family.toUtf8().data());
+    QByteArray cs = family.toUtf8();
+    FcPatternAddString(pattern, FC_FAMILY, (const FcChar8 *) cs.constData());
     FcConfigSubstitute(0, pattern, FcMatchPattern);
     FcDefaultSubstitute(pattern);
 
diff --git a/src/gui/text/qfontengine_coretext.mm b/src/gui/text/qfontengine_coretext.mm
index 24bd750..64b8682 100644
--- a/src/gui/text/qfontengine_coretext.mm
+++ b/src/gui/text/qfontengine_coretext.mm
@@ -100,7 +100,12 @@ QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(const QCFString &name, const
 
     QCFType<CTFontDescriptorRef> descriptor = CTFontDescriptorCreateWithNameAndSize(name, fontDef.pixelSize);
     QCFType<CTFontRef> baseFont = CTFontCreateWithFontDescriptor(descriptor, fontDef.pixelSize, &transform);
-    ctfont = CTFontCreateCopyWithSymbolicTraits(baseFont, fontDef.pixelSize, &transform, symbolicTraits, symbolicTraits);
+    ctfont = NULL;
+    // There is a side effect in Core Text: if we apply 0 as symbolic traits to a font in normal weight,
+    // we will get the light version of that font (while the way supposed to work doesn't:
+    // setting kCTFontWeightTrait to some value between -1.0 to 0.0 has no effect on font selection)
+    if (fontDef.weight != QFont::Normal || symbolicTraits)
+        ctfont = CTFontCreateCopyWithSymbolicTraits(baseFont, fontDef.pixelSize, &transform, symbolicTraits, symbolicTraits);
 
     // CTFontCreateCopyWithSymbolicTraits returns NULL if we ask for a trait that does
     // not exist for the given font. (for example italic)
@@ -111,17 +116,11 @@ QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(const QCFString &name, const
     init(kerning);
 }
 
-QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(CGFontRef cgFontRef, const QFontDef &fontDef, bool kerning)
+QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(CTFontRef ctFontRef, const QFontDef &fontDef, bool kerning)
     : QFontEngineMulti(0)
 {
     this->fontDef = fontDef;
-
-    transform = CGAffineTransformIdentity;
-    if (fontDef.stretch != 100) {
-        transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1);
-    }
-
-    ctfont = CTFontCreateWithGraphicsFont(cgFontRef, fontDef.pixelSize, &transform, NULL);
+    ctfont = (CTFontRef) CFRetain(ctFontRef);
     init(kerning);
 }
 
@@ -144,6 +143,9 @@ void QCoreTextFontEngineMulti::init(bool kerning)
     }
 
     QCoreTextFontEngine *fe = new QCoreTextFontEngine(ctfont, fontDef);
+    fontDef.family = fe->fontDef.family;
+    fontDef.styleName = fe->fontDef.styleName;
+    transform = fe->transform;
     fe->ref.ref();
     engines.append(fe);
 }
@@ -400,7 +402,7 @@ void QCoreTextFontEngineMulti::loadEngine(int)
 
 extern int qt_antialiasing_threshold; // from qapplication.cpp
 
-static inline CGAffineTransform transformFromFontDef(const QFontDef &fontDef)
+CGAffineTransform qt_transform_from_fontdef(const QFontDef &fontDef)
 {
     CGAffineTransform transform = CGAffineTransformIdentity;
     if (fontDef.stretch != 100)
@@ -411,7 +413,7 @@ static inline CGAffineTransform transformFromFontDef(const QFontDef &fontDef)
 QCoreTextFontEngine::QCoreTextFontEngine(CTFontRef font, const QFontDef &def)
 {
     fontDef = def;
-    transform = transformFromFontDef(fontDef);
+    transform = qt_transform_from_fontdef(fontDef);
     ctfont = font;
     CFRetain(ctfont);
     cgFont = CTFontCopyGraphicsFont(font, NULL);
@@ -421,7 +423,7 @@ QCoreTextFontEngine::QCoreTextFontEngine(CTFontRef font, const QFontDef &def)
 QCoreTextFontEngine::QCoreTextFontEngine(CGFontRef font, const QFontDef &def)
 {
     fontDef = def;
-    transform = transformFromFontDef(fontDef);
+    transform = qt_transform_from_fontdef(fontDef);
     cgFont = font;
     // Keep reference count balanced
     CFRetain(cgFont);
@@ -459,6 +461,9 @@ void QCoreTextFontEngine::init()
     QCFString family = CTFontCopyFamilyName(ctfont);
     fontDef.family = family;
 
+    QCFString styleName = (CFStringRef) CTFontCopyAttribute(ctfont, kCTFontStyleNameAttribute);
+    fontDef.styleName = styleName;
+
     synthesisFlags = 0;
     CTFontSymbolicTraits traits = CTFontGetSymbolicTraits(ctfont);
     if (traits & kCTFontItalicTrait)
@@ -725,10 +730,10 @@ void QCoreTextFontEngine::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *position
     }
 }
 
-QImage QCoreTextFontEngine::imageForGlyph(glyph_t glyph, QFixed subPixelPosition, int /*margin*/, bool aa)
+QImage QCoreTextFontEngine::imageForGlyph(glyph_t glyph, QFixed subPixelPosition, int margin, bool aa)
 {
     const glyph_metrics_t br = boundingBox(glyph);
-    QImage im(qRound(br.width)+2, qRound(br.height)+2, QImage::Format_RGB32);
+    QImage im(qRound(br.width) + margin * 2, qRound(br.height) + margin * 2, QImage::Format_RGB32);
     im.fill(0);
 
     CGColorSpaceRef colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
@@ -740,9 +745,8 @@ QImage QCoreTextFontEngine::imageForGlyph(glyph_t glyph, QFixed subPixelPosition
                                              8, im.bytesPerLine(), colorspace,
                                              cgflags);
     CGContextSetFontSize(ctx, fontDef.pixelSize);
-    CGContextSetShouldAntialias(ctx, aa ||
-                                (fontDef.pointSize > qt_antialiasing_threshold
-                                 && !(fontDef.styleStrategy & QFont::NoAntialias)));
+    CGContextSetShouldAntialias(ctx, (aa || fontDef.pointSize > qt_antialiasing_threshold)
+                                 && !(fontDef.styleStrategy & QFont::NoAntialias));
     CGContextSetShouldSmoothFonts(ctx, aa);
     CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx);
     CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, 1, 0, 0);
@@ -760,8 +764,8 @@ QImage QCoreTextFontEngine::imageForGlyph(glyph_t glyph, QFixed subPixelPosition
 
     CGContextSetFont(ctx, cgFont);
 
-    qreal pos_x = -br.x.toReal() + subPixelPosition.toReal();
-    qreal pos_y = im.height() + br.y.toReal() - 1;
+    qreal pos_x = -br.x.toReal() + subPixelPosition.toReal() + margin;
+    qreal pos_y = im.height() + br.y.toReal() - margin;
     CGContextSetTextPosition(ctx, pos_x, pos_y);
 
     CGSize advance;
diff --git a/src/gui/text/qfontengine_coretext_p.h b/src/gui/text/qfontengine_coretext_p.h
index 98d3b50..3ca8a0a 100644
--- a/src/gui/text/qfontengine_coretext_p.h
+++ b/src/gui/text/qfontengine_coretext_p.h
@@ -113,7 +113,7 @@ class QCoreTextFontEngineMulti : public QFontEngineMulti
 {
 public:
     QCoreTextFontEngineMulti(const QCFString &name, const QFontDef &fontDef, bool kerning);
-    QCoreTextFontEngineMulti(CGFontRef cgFontRef, const QFontDef &fontDef, bool kerning);
+    QCoreTextFontEngineMulti(CTFontRef ctFontRef, const QFontDef &fontDef, bool kerning);
     ~QCoreTextFontEngineMulti();
 
     virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
@@ -141,6 +141,8 @@ private:
     friend class QFontDialogPrivate;
 };
 
+CGAffineTransform qt_transform_from_fontdef(const QFontDef &fontDef);
+
 #endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
 
 #endif // QFONTENGINE_CORETEXT_P_H
diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp
index f514942..9a5d9d6 100644
--- a/src/gui/text/qfontengine_ft.cpp
+++ b/src/gui/text/qfontengine_ft.cpp
@@ -758,6 +758,8 @@ bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
     }
 #endif
 
+    fontDef.styleName = QString::fromUtf8(face->style_name);
+
     unlockFace();
 
     fsType = freetype->fsType();
@@ -795,7 +797,7 @@ int QFontEngineFT::loadFlags(QGlyphSet *set, GlyphFormat format, int flags,
     if (set && set->outline_drawing)
         load_flags = FT_LOAD_NO_BITMAP;
 
-    if (default_hint_style == HintNone || (flags & HB_ShaperFlag_UseDesignMetrics))
+    if (default_hint_style == HintNone || (flags & HB_ShaperFlag_UseDesignMetrics) || set->outline_drawing)
         load_flags |= FT_LOAD_NO_HINTING;
     else
         load_flags |= load_target;
@@ -1751,7 +1753,6 @@ glyph_metrics_t QFontEngineFT::alphaMapBoundingBox(glyph_t glyph, QFixed subPixe
     } else {
         glyphSet = &defaultGlyphSet;
     }
-    bool needsDelete = false;
     Glyph * g = glyphSet->getGlyph(glyph);
     if (!g || g->format != format) {
         face = lockFace();
@@ -1759,7 +1760,6 @@ glyph_metrics_t QFontEngineFT::alphaMapBoundingBox(glyph_t glyph, QFixed subPixe
         FT_Matrix_Multiply(&glyphSet->transformationMatrix, &m);
         freetype->matrix = m;
         g = loadGlyph(glyphSet, glyph, subPixelPosition, format);
-        needsDelete = true;
     }
 
     if (g) {
@@ -1768,8 +1768,6 @@ glyph_metrics_t QFontEngineFT::alphaMapBoundingBox(glyph_t glyph, QFixed subPixe
         overall.width = g->width;
         overall.height = g->height;
         overall.xoff = g->advance;
-        if (needsDelete)
-            delete g;
     } else {
         int left  = FLOOR(face->glyph->metrics.horiBearingX);
         int right = CEIL(face->glyph->metrics.horiBearingX + face->glyph->metrics.width);
diff --git a/src/gui/text/qfontengine_x11.cpp b/src/gui/text/qfontengine_x11.cpp
index 0997048..490866c 100644
--- a/src/gui/text/qfontengine_x11.cpp
+++ b/src/gui/text/qfontengine_x11.cpp
@@ -863,11 +863,8 @@ glyph_t QFontEngineXLFD::glyphIndexToFreetypeGlyphIndex(glyph_t g) const
 // Multi FT engine
 // ------------------------------------------------------------------
 
-static QFontEngine *engineForPattern(FcPattern *pattern, const QFontDef &request,
-                                     int screen)
+static QFontEngine *engineForPattern(FcPattern *match, const QFontDef &request, int screen)
 {
-    FcResult res;
-    FcPattern *match = FcFontMatch(0, pattern, &res);
     QFontEngineX11FT *engine = new QFontEngineX11FT(match, request, screen);
     if (!engine->invalid())
         return engine;
@@ -879,9 +876,9 @@ static QFontEngine *engineForPattern(FcPattern *pattern, const QFontDef &request
 }
 
 QFontEngineMultiFT::QFontEngineMultiFT(QFontEngine *fe, FcPattern *matchedPattern, FcPattern *p, int s, const QFontDef &req)
-    : QFontEngineMulti(2), request(req), pattern(p), firstEnginePattern(matchedPattern), fontSet(0), screen(s)
+    : QFontEngineMulti(2), request(req), pattern(p), fontSet(0), screen(s)
 {
-
+    firstEnginePattern = FcPatternDuplicate(matchedPattern);
     engines[0] = fe;
     engines.at(0)->ref.ref();
     fontDef = engines[0]->fontDef;
@@ -907,8 +904,6 @@ void QFontEngineMultiFT::loadEngine(int at)
     extern QMutex *qt_fontdatabase_mutex();
     QMutexLocker locker(qt_fontdatabase_mutex());
 
-    extern void qt_addPatternProps(FcPattern *pattern, int screen, int script,
-                                   const QFontDef &request);
     extern QFontDef qt_FcPatternToQFontDef(FcPattern *pattern, const QFontDef &);
     extern FcFontSet *qt_fontSetForPattern(FcPattern *pattern, const QFontDef &request);
 
@@ -940,22 +935,18 @@ void QFontEngineMultiFT::loadEngine(int at)
     Q_ASSERT(at < engines.size());
     Q_ASSERT(engines.at(at) == 0);
 
-    FcPattern *pattern = FcPatternDuplicate(fontSet->fonts[at + firstFontIndex - 1]);
-    qt_addPatternProps(pattern, screen, QUnicodeTables::Common, request);
-
-    QFontDef fontDef = qt_FcPatternToQFontDef(pattern, this->request);
+    FcPattern *match = FcFontRenderPrepare(NULL, pattern, fontSet->fonts[at + firstFontIndex - 1]);
+    QFontDef fontDef = qt_FcPatternToQFontDef(match, this->request);
 
     // note: we use -1 for the script to make sure that we keep real
     // FT engines separate from Multi engines in the font cache
     QFontCache::Key key(fontDef, -1, screen);
     QFontEngine *fontEngine = QFontCache::instance()->findEngine(key);
     if (!fontEngine) {
-        FcConfigSubstitute(0, pattern, FcMatchPattern);
-        FcDefaultSubstitute(pattern);
-        fontEngine = engineForPattern(pattern, request, screen);
+        fontEngine = engineForPattern(match, request, screen);
         QFontCache::instance()->insertEngine(key, fontEngine);
     }
-    FcPatternDestroy(pattern);
+    FcPatternDestroy(match);
     fontEngine->ref.ref();
     engines[at] = fontEngine;
 }
@@ -1123,17 +1114,14 @@ QFontEngineX11FT::QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int s
     }
 #endif
 
-    if (!init(face_id, antialias, defaultFormat)) {
-        FcPatternDestroy(pattern);
+    if (!init(face_id, antialias, defaultFormat))
         return;
-    }
 
     if (!freetype->charset) {
         FcCharSet *cs;
         FcPatternGetCharSet (pattern, FC_CHARSET, 0, &cs);
         freetype->charset = FcCharSetCopy(cs);
     }
-    FcPatternDestroy(pattern);
 }
 
 QFontEngineX11FT::~QFontEngineX11FT()
@@ -1205,7 +1193,9 @@ QFontEngine *QFontEngineX11FT::cloneWithSize(qreal pixelSize) const
         delete fe;
         return 0;
     } else {
+#ifndef QT_NO_XRENDER
         fe->xglyph_format = xglyph_format;
+#endif
         return fe;
     }
 }
diff --git a/src/gui/text/qfontinfo.h b/src/gui/text/qfontinfo.h
index 1238cba..37a724e 100644
--- a/src/gui/text/qfontinfo.h
+++ b/src/gui/text/qfontinfo.h
@@ -61,6 +61,7 @@ public:
     QFontInfo &operator=(const QFontInfo &);
 
     QString family() const;
+    QString styleName() const;
     int pixelSize() const;
     int pointSize() const;
     qreal pointSizeF() const;
diff --git a/src/gui/text/qfontmetrics.cpp b/src/gui/text/qfontmetrics.cpp
index 195bd78..9e1646f 100644
--- a/src/gui/text/qfontmetrics.cpp
+++ b/src/gui/text/qfontmetrics.cpp
@@ -1329,8 +1329,10 @@ bool QFontMetricsF::inFont(QChar ch) const
 }
 
 /*!
-   Returns true if the character encoded in UCS-4/UTF-32 is a valid
-   character in the font; otherwise returns false.
+    \fn bool QFontMetricsF::inFontUcs4(uint ch) const
+
+    Returns true if the character given by \a ch, encoded in UCS-4/UTF-32,
+    is a valid character in the font; otherwise returns false.
 */
 bool QFontMetricsF::inFontUcs4(uint ucs4) const
 {
diff --git a/src/gui/text/qglyphrun.cpp b/src/gui/text/qglyphrun.cpp
index 05e3b6b..2865d91 100644
--- a/src/gui/text/qglyphrun.cpp
+++ b/src/gui/text/qglyphrun.cpp
@@ -132,13 +132,27 @@ QGlyphRun &QGlyphRun::operator=(const QGlyphRun &other)
 */
 bool QGlyphRun::operator==(const QGlyphRun &other) const
 {
-    return ((d == other.d)
-            || (d->glyphIndexes == other.d->glyphIndexes
-                && d->glyphPositions == other.d->glyphPositions
-                && d->overline == other.d->overline
-                && d->underline == other.d->underline
-                && d->strikeOut == other.d->strikeOut
-                && d->rawFont == other.d->rawFont));
+    if (d == other.d)
+        return true;
+
+    if ((d->glyphIndexDataSize != other.d->glyphIndexDataSize)
+     || (d->glyphPositionDataSize != other.d->glyphPositionDataSize)) {
+        return false;
+    }
+
+    for (int i=0; i<qMax(d->glyphIndexDataSize, d->glyphPositionDataSize); ++i) {
+        if (i < d->glyphIndexDataSize && d->glyphIndexData[i] != other.d->glyphIndexData[i])
+           return false;
+
+        if (i < d->glyphPositionDataSize && d->glyphPositionData[i] != other.d->glyphPositionData[i])
+           return false;
+    }
+
+
+    return (d->overline == other.d->overline
+            && d->underline == other.d->underline
+            && d->strikeOut == other.d->strikeOut
+            && d->rawFont == other.d->rawFont);
 }
 
 /*!
@@ -151,36 +165,6 @@ bool QGlyphRun::operator!=(const QGlyphRun &other) const
 }
 
 /*!
-    \internal
-
-    Adds together the lists of glyph indexes and positions in \a other and this QGlyphRun
-    object and returns the result. The font in the returned QGlyphRun will be the same as in
-    this QGlyphRun object.
-*/
-QGlyphRun QGlyphRun::operator+(const QGlyphRun &other) const
-{
-    QGlyphRun ret(*this);
-    ret += other;
-    return ret;
-}
-
-/*!
-    \internal
-
-    Appends the glyph indexes and positions in \a other to this QGlyphRun object and returns
-    a reference to the current object.
-*/
-QGlyphRun &QGlyphRun::operator+=(const QGlyphRun &other)
-{
-    detach();
-
-    d->glyphIndexes += other.d->glyphIndexes;
-    d->glyphPositions += other.d->glyphPositions;
-
-    return *this;
-}
-
-/*!
     Returns the font selected for this QGlyphRun object.
 
     \sa setRawFont()
@@ -208,7 +192,13 @@ void QGlyphRun::setRawFont(const QRawFont &rawFont)
 */
 QVector<quint32> QGlyphRun::glyphIndexes() const
 {
-    return d->glyphIndexes;
+    if (d->glyphIndexes.constData() == d->glyphIndexData) {
+        return d->glyphIndexes;
+    } else {
+        QVector<quint32> indexes(d->glyphIndexDataSize);
+        qMemCopy(indexes.data(), d->glyphIndexData, d->glyphIndexDataSize * sizeof(quint32));
+        return indexes;
+    }
 }
 
 /*!
@@ -218,7 +208,9 @@ QVector<quint32> QGlyphRun::glyphIndexes() const
 void QGlyphRun::setGlyphIndexes(const QVector<quint32> &glyphIndexes)
 {
     detach();
-    d->glyphIndexes = glyphIndexes;
+    d->glyphIndexes = glyphIndexes; // Keep a reference to the QVector to avoid copying
+    d->glyphIndexData = glyphIndexes.constData();
+    d->glyphIndexDataSize = glyphIndexes.size();
 }
 
 /*!
@@ -226,7 +218,14 @@ void QGlyphRun::setGlyphIndexes(const QVector<quint32> &glyphIndexes)
 */
 QVector<QPointF> QGlyphRun::positions() const
 {
-    return d->glyphPositions;
+    if (d->glyphPositions.constData() == d->glyphPositionData) {
+        return d->glyphPositions;
+    } else {
+        QVector<QPointF> glyphPositions(d->glyphPositionDataSize);
+        qMemCopy(glyphPositions.data(), d->glyphPositionData,
+                 d->glyphPositionDataSize * sizeof(QPointF));
+        return glyphPositions;
+    }
 }
 
 /*!
@@ -236,7 +235,9 @@ QVector<QPointF> QGlyphRun::positions() const
 void QGlyphRun::setPositions(const QVector<QPointF> &positions)
 {
     detach();
-    d->glyphPositions = positions;
+    d->glyphPositions = positions; // Keep a reference to the vector to avoid copying
+    d->glyphPositionData = positions.constData();
+    d->glyphPositionDataSize = positions.size();
 }
 
 /*!
@@ -245,12 +246,33 @@ void QGlyphRun::setPositions(const QVector<QPointF> &positions)
 void QGlyphRun::clear()
 {
     detach();
-    d->glyphPositions = QVector<QPointF>();
-    d->glyphIndexes = QVector<quint32>();
     d->rawFont = QRawFont();
     d->strikeOut = false;
     d->overline = false;
     d->underline = false;
+
+    setPositions(QVector<QPointF>());
+    setGlyphIndexes(QVector<quint32>());
+}
+
+/*!
+    Sets the glyph indexes and positions of this QGlyphRun to use the first \a size
+    elements in the arrays \a glyphIndexArray and \a glyphPositionArray. The data is
+    \e not copied. The caller must guarantee that the arrays are not deleted as long
+    as this QGlyphRun and any copies of it exists.
+
+    \sa setGlyphIndexes(), setPositions()
+*/
+void QGlyphRun::setRawData(const quint32 *glyphIndexArray, const QPointF *glyphPositionArray,
+                           int size)
+{
+    detach();
+    d->glyphIndexes.clear();
+    d->glyphPositions.clear();
+
+    d->glyphIndexData = glyphIndexArray;
+    d->glyphPositionData = glyphPositionArray;
+    d->glyphIndexDataSize = d->glyphPositionDataSize = size;
 }
 
 /*!
diff --git a/src/gui/text/qglyphrun.h b/src/gui/text/qglyphrun.h
index e43f1ef..cf407a8 100644
--- a/src/gui/text/qglyphrun.h
+++ b/src/gui/text/qglyphrun.h
@@ -66,6 +66,10 @@ public:
     QRawFont rawFont() const;
     void setRawFont(const QRawFont &rawFont);
 
+    void setRawData(const quint32 *glyphIndexArray,
+                    const QPointF *glyphPositionArray,
+                    int size);
+
     QVector<quint32> glyphIndexes() const;
     void setGlyphIndexes(const QVector<quint32> &glyphIndexes);
 
diff --git a/src/gui/text/qglyphrun_p.h b/src/gui/text/qglyphrun_p.h
index 533679d..a7745e6 100644
--- a/src/gui/text/qglyphrun_p.h
+++ b/src/gui/text/qglyphrun_p.h
@@ -71,6 +71,10 @@ public:
         : overline(false)
         , underline(false)
         , strikeOut(false)
+        , glyphIndexData(glyphIndexes.constData())
+        , glyphIndexDataSize(0)
+        , glyphPositionData(glyphPositions.constData())
+        , glyphPositionDataSize(0)
     {
     }
 
@@ -82,6 +86,10 @@ public:
       , overline(other.overline)
       , underline(other.underline)
       , strikeOut(other.strikeOut)
+      , glyphIndexData(other.glyphIndexData)
+      , glyphIndexDataSize(other.glyphIndexDataSize)
+      , glyphPositionData(other.glyphPositionData)
+      , glyphPositionDataSize(other.glyphPositionDataSize)
     {
     }
 
@@ -92,6 +100,17 @@ public:
     uint overline  : 1;
     uint underline : 1;
     uint strikeOut : 1;
+
+    const quint32 *glyphIndexData;
+    int glyphIndexDataSize;
+
+    const QPointF *glyphPositionData;
+    int glyphPositionDataSize;
+
+    static QGlyphRunPrivate *get(const QGlyphRun &glyphRun)
+    {
+        return glyphRun.d.data();
+    }
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/text/qplatformfontdatabase_qpa.cpp b/src/gui/text/qplatformfontdatabase_qpa.cpp