Merge commit 'qt/master-stable'

Conflicts:
	configure.exe
	qmake/Makefile.unix
	qmake/generators/makefile.cpp
	src/corelib/global/qglobal.h
	src/corelib/kernel/kernel.pri
	src/corelib/kernel/qcoreevent.cpp
	src/corelib/kernel/qsharedmemory_unix.cpp
	src/gui/graphicsview/qgraphicsscene.cpp
	src/gui/kernel/qaction.cpp
	src/gui/kernel/qaction.h
	src/gui/kernel/qaction_p.h
	src/gui/kernel/qapplication.cpp
	src/gui/kernel/qapplication.h
	src/gui/kernel/qwidget.cpp
	src/gui/kernel/qwidget.h
	src/gui/kernel/qwidget_mac.mm
	src/gui/painting/qgraphicssystemfactory.cpp
	src/gui/styles/qwindowsstyle.cpp
	src/gui/text/qfontengine_qpf.cpp
	src/gui/widgets/qabstractscrollarea_p.h
	src/network/access/qnetworkaccessdebugpipebackend.cpp
	src/network/socket/qlocalsocket_unix.cpp
	src/network/socket/qnativesocketengine_p.h
	src/network/socket/qnativesocketengine_unix.cpp
	src/openvg/qpaintengine_vg.cpp
	tests/auto/q3sqlcursor/tst_q3sqlcursor.cpp
	tests/auto/qcssparser/qcssparser.pro
	tests/auto/qdir/tst_qdir.cpp
	tests/auto/qfile/tst_qfile.cpp
	tests/auto/qobject/tst_qobject.cpp
	tests/auto/qpathclipper/qpathclipper.pro
	tests/auto/qprocess/tst_qprocess.cpp
	tests/auto/qsettings/tst_qsettings.cpp
	tests/auto/qsharedpointer/qsharedpointer.pro
	tests/auto/qsqlquerymodel/qsqlquerymodel.pro
	tests/auto/qsqlrelationaltablemodel/qsqlrelationaltablemodel.pro
	tests/auto/qsqltablemodel/qsqltablemodel.pro
	tests/auto/qsqlthread/qsqlthread.pro
	tests/auto/qwidget/tst_qwidget.cpp

28 files changed, 876 insertions, 272 deletions

diff --git a/src/corelib/kernel/kernel.pri b/src/corelib/kernel/kernel.pri
index f7d4208..4b7baef 100644
--- a/src/corelib/kernel/kernel.pri
+++ b/src/corelib/kernel/kernel.pri
@@ -86,10 +86,14 @@ mac {
 		kernel/qcore_mac.cpp
 }
 
-unix {
+unix:!symbian {
 	SOURCES += \
-                kernel/qcrashhandler.cpp
+                kernel/qcore_unix.cpp \
+                kernel/qcrashhandler.cpp \
+                kernel/qsharedmemory_unix.cpp \
+                kernel/qsystemsemaphore_unix.cpp
 	HEADERS += \
+                kernel/qcore_unix_p.h \
 		kernel/qcrashhandler_p.h
 
         contains(QT_CONFIG, glib) {
@@ -100,25 +104,27 @@ unix {
             QMAKE_CXXFLAGS += $$QT_CFLAGS_GLIB
             LIBS +=$$QT_LIBS_GLIB
         }
-
-        symbian {
             SOURCES += \
+                kernel/qeventdispatcher_unix.cpp
+            HEADERS += \
+                kernel/qeventdispatcher_unix_p.h
+
+   contains(QT_CONFIG, clock-gettime):include($$QT_SOURCE_TREE/config.tests/unix/clock-gettime/clock-gettime.pri)
+}
+
+symbian {
+	SOURCES += \
+                kernel/qcore_unix.cpp \
+                kernel/qcrashhandler.cpp \
                 kernel/qeventdispatcher_symbian.cpp \
                 kernel/qcore_symbian_p.cpp \
                 kernel/qsharedmemory_symbian.cpp \
                 kernel/qsystemsemaphore_symbian.cpp
-            HEADERS += \
+
+	HEADERS += \
+                kernel/qcore_unix_p.h \
+                kernel/qcrashhandler_p.h \
                 kernel/qeventdispatcher_symbian_p.h \
                 kernel/qcore_symbian_p.h
-        } else {
-            SOURCES += \
-                kernel/qeventdispatcher_unix.cpp \
-                kernel/qsharedmemory_unix.cpp \
-                kernel/qsystemsemaphore_unix.cpp
-            HEADERS += \
-                kernel/qeventdispatcher_unix_p.h
-        }
-
-   contains(QT_CONFIG, clock-gettime):include($$QT_SOURCE_TREE/config.tests/unix/clock-gettime/clock-gettime.pri)
 }
 
diff --git a/src/corelib/kernel/qabstracteventdispatcher.cpp b/src/corelib/kernel/qabstracteventdispatcher.cpp
index a98d005..e2682f5 100644
--- a/src/corelib/kernel/qabstracteventdispatcher.cpp
+++ b/src/corelib/kernel/qabstracteventdispatcher.cpp
@@ -398,20 +398,23 @@ void QAbstractEventDispatcher::closingDown()
 */
 
 /*!
-    Sets the event filter \a filter. Returns a pointer to the filter
-    function previously defined.
-
-    The event filter is a function that receives all messages taken
-    from the system event loop before the event is dispatched to the
-    respective target. This includes messages that are not sent to Qt
+    Replaces the event filter function for this
+    QAbstractEventDispatcher with \a filter and returns the replaced
+    event filter function. Only the current event filter function is
+    called. If you want to use both filter functions, save the
+    replaced EventFilter in a place where yours can call it.
+
+    The event filter function set here is called for all messages
+    taken from the system event loop before the event is dispatched to
+    the respective target, including the messages not meant for Qt
     objects.
 
-    The function can return true to stop the event to be processed by
-    Qt, or false to continue with the standard event processing.
+    The event filter function should return true if the message should
+    be filtered, (i.e. stopped). It should return false to allow
+    processing the message to continue.
 
-    Only one filter can be defined, but the filter can use the return
-    value to call the previously set event filter. By default, no
-    filter is set (i.e. the function returns 0).
+    By default, no event filter function is set (i.e., this function
+    returns a null EventFilter the first time it is called).
 */
 QAbstractEventDispatcher::EventFilter QAbstractEventDispatcher::setEventFilter(EventFilter filter)
 {
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index 914f44f..1c3371f 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -1407,7 +1407,7 @@ QMap<int, QVariant> QAbstractItemModel::itemData(const QModelIndex &index) const
     QMap<int, QVariant> roles;
     for (int i = 0; i < Qt::UserRole; ++i) {
         QVariant variantData = data(index, i);
-        if (variantData.type() != QVariant::Invalid)
+        if (variantData.isValid())
             roles.insert(i, variantData);
     }
     return roles;
diff --git a/src/corelib/kernel/qcore_unix.cpp b/src/corelib/kernel/qcore_unix.cpp
new file mode 100644
index 0000000..c5b0fc7
--- /dev/null
+++ b/src/corelib/kernel/qcore_unix.cpp
@@ -0,0 +1,194 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcore_unix_p.h"
+
+#include <sys/select.h>
+#include <sys/time.h>
+#include <stdlib.h>
+
+#include "qeventdispatcher_unix_p.h" // for the timeval operators
+
+#if !defined(QT_NO_CLOCK_MONOTONIC)
+# if defined(QT_BOOTSTRAPPED)
+#  define QT_NO_CLOCK_MONOTONIC
+# endif
+#endif
+
+QT_BEGIN_NAMESPACE
+
+static inline timeval gettime()
+{
+    timeval tv;
+#ifndef QT_NO_CLOCK_MONOTONIC
+    // use the monotonic clock
+    static volatile bool monotonicClockDisabled = false;
+    struct timespec ts;
+    if (!monotonicClockDisabled) {
+        if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1) {
+            monotonicClockDisabled = true;
+        } else {
+            tv.tv_sec = ts.tv_sec;
+            tv.tv_usec = ts.tv_nsec / 1000;
+            return tv;
+        }
+    }
+#endif
+    // use gettimeofday
+    ::gettimeofday(&tv, 0);
+    return tv;
+}
+
+static inline bool time_update(struct timeval *tv, const struct timeval &start,
+                               const struct timeval &timeout)
+{
+    struct timeval now = gettime();
+    if (now < start) {
+        // clock reset, give up
+        return false;
+    }
+
+    *tv = timeout + start - now;
+    return true;
+}
+
+int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
+                   const struct timeval *orig_timeout)
+{
+    if (!orig_timeout) {
+        // no timeout -> block forever
+        register int ret;
+        EINTR_LOOP(ret, select(nfds, fdread, fdwrite, fdexcept, 0));
+        return ret;
+    }
+
+    timeval start = gettime();
+    timeval timeout = *orig_timeout;
+
+    // loop and recalculate the timeout as needed
+    int ret;
+    forever {
+        ret = ::select(nfds, fdread, fdwrite, fdexcept, &timeout);
+        if (ret != -1 || errno != EINTR)
+            return ret;
+
+        // recalculate the timeout
+        if (!time_update(&timeout, start, *orig_timeout)) {
+            // clock reset, fake timeout error
+            return 0;
+        }
+    }
+}
+
+QT_END_NAMESPACE
+
+#ifdef Q_OS_LINUX
+// Don't wait for libc to supply the calls we need
+// Make syscalls directly
+
+# if defined(__GLIBC__) && (__GLIBC__ * 0x100 + __GLIBC_MINOR__) >= 0x0204
+// glibc 2.4 has syscall(...)
+#  include <sys/syscall.h>
+#  include <asm/unistd.h>
+# else
+// no syscall(...)
+static inline int syscall(...) { errno = ENOSYS; return -1;}
+# endif
+
+# ifndef __NR_dup3
+#  if defined(__i386__)
+#   define __NR_dup3        330
+#   define __NR_pipe2       331
+#  elif defined(__x86_64__)
+#   define __NR_dup3        292
+#   define __NR_pipe2       293
+#  elif defined(__ia64__)
+#   define __NR_dup3        1316
+#   define __NR_pipe2       1317
+#  else
+//  set the syscalls to absurd numbers so that they'll cause ENOSYS errors
+#   warning "Please port the pipe2/dup3 code to this platform"
+#   define __NR_dup3        -1
+#   define __NR_pipe2       -1
+#  endif
+# endif
+
+# if !defined(__NR_socketcall) && !defined(__NR_accept4)
+#  if defined(__x86_64__)
+#   define __NR_accept4     288
+#  elif defined(__ia64__)
+//  not assigned yet to IA-64
+#   define __NR_accept4     -1
+#  else
+//  set the syscalls to absurd numbers so that they'll cause ENOSYS errors
+#   warning "Please port the accept4 code to this platform"
+#   define __NR_accept4     -1
+#  endif
+# endif
+
+QT_BEGIN_NAMESPACE
+namespace QtLibcSupplement {
+    int pipe2(int pipes[], int flags)
+    {
+        return syscall(__NR_pipe2, pipes, flags);
+    }
+
+    int dup3(int oldfd, int newfd, int flags)
+    {
+        return syscall(__NR_dup3, oldfd, newfd, flags);
+    }
+
+    int accept4(int s, sockaddr *addr, QT_SOCKLEN_T *addrlen, int flags)
+    {
+# if defined(__NR_socketcall)
+        // This platform uses socketcall() instead of raw syscalls
+        // the SYS_ACCEPT4 number is cross-platform: 18
+        return syscall(__NR_socketcall, 18, &s);
+# else
+        return syscall(__NR_accept4, s, addr, addrlen, flags);
+# endif
+
+        Q_UNUSED(addr); Q_UNUSED(addrlen); Q_UNUSED(flags); // they're actually used
+    }
+}
+QT_END_NAMESPACE
+#endif  // Q_OS_LINUX
+
diff --git a/src/corelib/kernel/qcore_unix_p.h b/src/corelib/kernel/qcore_unix_p.h
new file mode 100644
index 0000000..dd97841
--- /dev/null
+++ b/src/corelib/kernel/qcore_unix_p.h
@@ -0,0 +1,275 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCORE_UNIX_P_H
+#define QCORE_UNIX_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of Qt code on Unix. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qplatformdefs.h"
+
+#ifndef Q_OS_UNIX
+# error "qcore_unix_p.h included on a non-Unix system"
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <sys/wait.h>
+#include <errno.h>
+#include <fcntl.h>
+
+struct sockaddr;
+
+#if defined(Q_OS_LINUX) && defined(__GLIBC__) && (__GLIBC__ * 0x100 + __GLIBC_MINOR__) >= 0x0204
+// Linux supports thread-safe FD_CLOEXEC
+# define QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC 1
+
+// add defines for the consts for Linux
+# ifndef O_CLOEXEC
+#  define O_CLOEXEC  02000000
+# endif
+# ifndef FD_DUPFD_CLOEXEC
+#  define F_DUPFD_CLOEXEC 1030
+# endif
+# ifndef SOCK_CLOEXEC
+#  define SOCK_CLOEXEC O_CLOEXEC
+# endif
+# ifndef SOCK_NONBLOCK
+#  define SOCK_NONBLOCK O_NONBLOCK
+# endif
+# ifndef MSG_CMSG_CLOEXEC
+#  define MSG_CMSG_CLOEXEC 0x40000000
+# endif
+
+QT_BEGIN_NAMESPACE
+namespace QtLibcSupplement {
+    Q_CORE_EXPORT int accept4(int, sockaddr *, QT_SOCKLEN_T *, int flags);
+    Q_CORE_EXPORT int dup3(int oldfd, int newfd, int flags);
+    Q_CORE_EXPORT int pipe2(int pipes[], int flags);
+}
+QT_END_NAMESPACE
+using namespace QT_PREPEND_NAMESPACE(QtLibcSupplement);
+
+#else
+# define QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC 0
+#endif
+
+#define EINTR_LOOP(var, cmd)                    \
+    do {                                        \
+        var = cmd;                              \
+    } while (var == -1 && errno == EINTR)
+
+QT_BEGIN_NAMESPACE
+
+// don't call QT_OPEN or ::open
+// call qt_safe_open
+static inline int qt_safe_open(const char *pathname, int flags, mode_t mode = 0777)
+{
+#ifdef O_CLOEXEC
+    flags |= O_CLOEXEC;
+#endif
+    register int fd;
+    EINTR_LOOP(fd, QT_OPEN(pathname, flags, mode));
+
+    // unknown flags are ignored, so we have no way of verifying if
+    // O_CLOEXEC was accepted
+    if (fd != -1)
+        ::fcntl(fd, F_SETFD, FD_CLOEXEC);
+    return fd;
+}
+#undef QT_OPEN
+#define QT_OPEN         qt_safe_open
+
+// don't call ::pipe
+// call qt_safe_pipe
+static inline int qt_safe_pipe(int pipefd[2], int flags = 0)
+{
+#ifdef O_CLOEXEC
+    Q_ASSERT((flags & ~(O_CLOEXEC | O_NONBLOCK)) == 0);
+#else
+    Q_ASSERT((flags & ~O_NONBLOCK) == 0);
+#endif
+
+    register int ret;
+#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC
+    // use pipe2
+    flags |= O_CLOEXEC;
+    ret = ::pipe2(pipefd, flags); // pipe2 is Linux-specific and is documented not to return EINTR
+    if (ret == 0 || errno != ENOSYS)
+        return ret;
+#endif
+
+    ret = ::pipe(pipefd);
+    if (ret == -1)
+        return -1;
+
+    ::fcntl(pipefd[0], F_SETFD, FD_CLOEXEC);
+    ::fcntl(pipefd[1], F_SETFD, FD_CLOEXEC);
+
+    // set non-block too?
+    if (flags & O_NONBLOCK) {
+        ::fcntl(pipefd[0], F_SETFL, ::fcntl(pipefd[0], F_GETFL) | O_NONBLOCK);
+        ::fcntl(pipefd[1], F_SETFL, ::fcntl(pipefd[1], F_GETFL) | O_NONBLOCK);
+    }
+
+    return 0;
+}
+
+// don't call dup or fcntl(F_DUPFD)
+static inline int qt_safe_dup(int oldfd, int atleast = 0, int flags = FD_CLOEXEC)
+{
+    Q_ASSERT(flags == FD_CLOEXEC || flags == 0);
+
+    register int ret;
+#ifdef F_DUPFD_CLOEXEC
+    // use this fcntl
+    if (flags & FD_CLOEXEC) {
+        ret = ::fcntl(oldfd, F_DUPFD_CLOEXEC, atleast);
+        if (ret != -1 || errno != EINVAL)
+            return ret;
+    }
+#endif
+
+    // use F_DUPFD
+    ret = ::fcntl(oldfd, F_DUPFD, atleast);
+
+    if (flags && ret != -1)
+        ::fcntl(ret, F_SETFD, flags);
+    return ret;
+}
+
+// don't call dup2
+// call qt_safe_dup2
+static inline int qt_safe_dup2(int oldfd, int newfd, int flags = FD_CLOEXEC)
+{
+    Q_ASSERT(flags == FD_CLOEXEC || flags == 0);
+
+    register int ret;
+#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC
+    // use dup3
+    if (flags & FD_CLOEXEC) {
+        EINTR_LOOP(ret, ::dup3(oldfd, newfd, O_CLOEXEC));
+        if (ret == 0 || errno != ENOSYS)
+            return ret;
+    }
+#endif
+    EINTR_LOOP(ret, ::dup2(oldfd, newfd));
+    if (ret == -1)
+        return -1;
+
+    if (flags)
+        ::fcntl(newfd, F_SETFD, flags);
+    return 0;
+}
+
+static inline qint64 qt_safe_read(int fd, void *data, qint64 maxlen)
+{
+    qint64 ret = 0;
+    EINTR_LOOP(ret, QT_READ(fd, data, maxlen));
+    return ret;
+}
+#undef QT_READ
+#define QT_READ qt_safe_read
+
+static inline qint64 qt_safe_write(int fd, const void *data, qint64 len)
+{
+    qint64 ret = 0;
+    EINTR_LOOP(ret, QT_WRITE(fd, data, len));
+    return ret;
+}
+#undef QT_WRITE
+#define QT_WRITE qt_safe_write
+
+static inline int qt_safe_close(int fd)
+{
+    register int ret;
+    EINTR_LOOP(ret, QT_CLOSE(fd));
+    return ret;
+}
+#undef QT_CLOSE
+#define QT_CLOSE qt_safe_close
+
+static inline int qt_safe_execve(const char *filename, char *const argv[],
+                                 char *const envp[])
+{
+    register int ret;
+    EINTR_LOOP(ret, ::execve(filename, argv, envp));
+    return ret;
+}
+
+static inline int qt_safe_execv(const char *path, char *const argv[])
+{
+    register int ret;
+    EINTR_LOOP(ret, ::execv(path, argv));
+    return ret;
+}
+
+static inline int qt_safe_execvp(const char *file, char *const argv[])
+{
+    register int ret;
+    EINTR_LOOP(ret, ::execvp(file, argv));
+    return ret;
+}
+
+static inline pid_t qt_safe_waitpid(pid_t pid, int *status, int options)
+{
+    register int ret;
+    EINTR_LOOP(ret, ::waitpid(pid, status, options));
+    return ret;
+}
+
+Q_CORE_EXPORT int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
+                                 const struct timeval *tv);
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index c07a6e9..5865dc3 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -1729,6 +1729,12 @@ QString QCoreApplication::translate(const char *context, const char *sourceText,
     return result;
 }
 
+// Declared in qglobal.h
+QString qtTrId(const char *id, int n)
+{
+    return QCoreApplication::translate(0, id, 0, QCoreApplication::UnicodeUTF8, n);
+}
+
 bool QCoreApplicationPrivate::isTranslatorInstalled(QTranslator *translator)
 {
     return QCoreApplication::self
@@ -1824,21 +1830,8 @@ QString QCoreApplication::applicationFilePath()
     if (!d->cachedApplicationFilePath.isNull())
         return d->cachedApplicationFilePath;
 
-#if defined( Q_WS_WIN )
-    QFileInfo filePath;
-    QT_WA({
-        wchar_t module_name[MAX_PATH+1];
-        GetModuleFileNameW(0, module_name, MAX_PATH);
-        module_name[MAX_PATH] = 0;
-        filePath = QString::fromUtf16((ushort *)module_name);
-    }, {
-        char module_name[MAX_PATH+1];
-        GetModuleFileNameA(0, module_name, MAX_PATH);
-        module_name[MAX_PATH] = 0;
-        filePath = QString::fromLocal8Bit(module_name);
-    });
-
-    d->cachedApplicationFilePath = filePath.filePath();
+#if defined(Q_WS_WIN)
+    d->cachedApplicationFilePath = QFileInfo(qAppFileName()).filePath();
     return d->cachedApplicationFilePath;
 #elif defined(Q_WS_MAC)
     QString qAppFileName_str = qAppFileName();
@@ -1998,13 +1991,13 @@ QStringList QCoreApplication::arguments()
         return list;
     }
 #ifdef Q_OS_WIN
-    QString cmdline = QT_WA_INLINE(QString::fromUtf16((unsigned short *)GetCommandLineW()), QString::fromLocal8Bit(GetCommandLineA()));
+    QString cmdline = QString::fromWCharArray(GetCommandLine());
 
 #if defined(Q_OS_WINCE)
     wchar_t tempFilename[MAX_PATH+1];
-    if (GetModuleFileNameW(0, tempFilename, MAX_PATH)) {
+    if (GetModuleFileName(0, tempFilename, MAX_PATH)) {
         tempFilename[MAX_PATH] = 0;
-        cmdline.prepend(QLatin1Char('\"') + QString::fromUtf16((unsigned short *)tempFilename) + QLatin1String("\" "));
+        cmdline.prepend(QLatin1Char('\"') + QString::fromWCharArray(tempFilename) + QLatin1String("\" "));
     }
 #endif // Q_OS_WINCE
 
@@ -2311,21 +2304,37 @@ void QCoreApplication::removeLibraryPath(const QString &path)
 /*!
     \fn EventFilter QCoreApplication::setEventFilter(EventFilter filter)
 
-    Sets the event filter \a filter. Returns a pointer to the filter
-    function previously defined.
-
-    The event filter is a function that is called for every message
-    received in all threads. This does \e not include messages to
+    Replaces the event filter function for the QCoreApplication with
+    \a filter and returns the pointer to the replaced event filter
+    function. Only the current event filter function is called. If you
+    want to use both filter functions, save the replaced EventFilter
+    in a place where yours can call it.
+
+    The event filter function set here is called for all messages
+    received by all threads meant for all Qt objects. It is \e not
+    called for messages that are not meant for Qt objects.
+
+    The event filter function should return true if the message should
+    be filtered, (i.e. stopped). It should return false to allow
+    processing the message to continue.
+
+    By default, no event filter function is set (i.e., this function
+    returns a null EventFilter the first time it is called).
+    
+    \note The filter function set here receives native messages,
+    i.e. MSG or XEvent structs, that are going to Qt objects. It is
+    called by QCoreApplication::filterEvent(). If the filter function
+    returns false to indicate the message should be processed further,
+    the native message can then be translated into a QEvent and
+    handled by the standard Qt \l{QEvent} {event} filering, e.g.
+    QObject::installEventFilter().
+
+    \note The filter function set here is different form the filter
+    function set via QAbstractEventDispatcher::setEventFilter(), which
+    gets all messages received by its thread, even messages meant for
     objects that are not handled by Qt.
 
-    The function can return true to stop the event to be processed by
-    Qt, or false to continue with the standard event processing.
-
-    Only one filter can be defined, but the filter can use the return
-    value to call the previously set event filter. By default, no
-    filter is set (i.e., the function returns 0).
-
-    \sa installEventFilter()
+    \sa QObject::installEventFilter(), QAbstractEventDispatcher::setEventFilter()
 */
 QCoreApplication::EventFilter
 QCoreApplication::setEventFilter(QCoreApplication::EventFilter filter)
diff --git a/src/corelib/kernel/qcoreapplication_win.cpp b/src/corelib/kernel/qcoreapplication_win.cpp
index 7a35340..bf5716a 100644
--- a/src/corelib/kernel/qcoreapplication_win.cpp
+++ b/src/corelib/kernel/qcoreapplication_win.cpp
@@ -45,14 +45,15 @@
 #include "qt_windows.h"
 #include "qvector.h"
 #include "qmutex.h"
+#include "qfileinfo.h"
 #include "qcorecmdlineargs_p.h"
 #include <private/qthread_p.h>
 #include <ctype.h>
 
 QT_BEGIN_NAMESPACE
 
-char         appFileName[MAX_PATH+1];                // application file name
-char         theAppName[MAX_PATH+1];                        // application name
+char         appFileName[MAX_PATH];                // application file name
+char         theAppName[MAX_PATH];                        // application name
 HINSTANCE appInst        = 0;                // handle to app instance
 HINSTANCE appPrevInst        = 0;                // handle to prev app instance
 int appCmdShow = 0;
@@ -73,48 +74,69 @@ Q_CORE_EXPORT int qWinAppCmdShow()                        // get main window sho
     return appCmdShow;
 }
 
+Q_CORE_EXPORT QString qAppFileName()                // get application file name
+{
+    // We do MAX_PATH + 2 here, and request with MAX_PATH + 1, so we can handle all paths
+    // up to, and including MAX_PATH size perfectly fine with string termination, as well
+    // as easily detect if the file path is indeed larger than MAX_PATH, in which case we
+    // need to use the heap instead. This is a work-around, since contrary to what the
+    // MSDN documentation states, GetModuleFileName sometimes doesn't set the
+    // ERROR_INSUFFICIENT_BUFFER error number, and we thus cannot rely on this value if
+    // GetModuleFileName(0, buffer, MAX_PATH) == MAX_PATH.
+    // GetModuleFileName(0, buffer, MAX_PATH + 1) == MAX_PATH just means we hit the normal
+    // file path limit, and we handle it normally, if the result is MAX_PATH + 1, we use
+    // heap (even if the result _might_ be exactly MAX_PATH + 1, but that's ok).
+    wchar_t buffer[MAX_PATH + 2];
+    DWORD v = GetModuleFileName(0, buffer, MAX_PATH + 1);
+    buffer[MAX_PATH + 1] = 0;
+
+    if (v == 0)
+        return QString();
+    else if (v <= MAX_PATH)
+        return QString::fromWCharArray(buffer);
+
+    // MAX_PATH sized buffer wasn't large enough to contain the full path, use heap
+    wchar_t *b = 0;
+    int i = 1;
+    size_t size;
+    do {
+        ++i;
+        size = MAX_PATH * i;
+        b = reinterpret_cast<wchar_t *>(realloc(b, (size + 1) * sizeof(wchar_t)));
+        if (b)
+            v = GetModuleFileName(NULL, b, size);
+    } while (b && v == size);
+
+    if (b)
+        *(b + size) = 0;
+    QString res = QString::fromWCharArray(b);
+    free(b);
+
+    return res;
+}
 
 void set_winapp_name()
 {
     static bool already_set = false;
     if (!already_set) {
         already_set = true;
-#ifndef Q_OS_WINCE
-        GetModuleFileNameA(0, appFileName, sizeof(appFileName));
-        appFileName[sizeof(appFileName)-1] = 0;
-#else
-        QString afm;
-        afm.resize(sizeof(appFileName));
-        afm.resize(GetModuleFileName(0, (wchar_t *) (afm.unicode()), sizeof(appFileName)));
-        memcpy(appFileName, afm.toLatin1(), sizeof(appFileName));
-#endif
-        const char *p = strrchr(appFileName, '\\');        // skip path
-        if (p)
-            memcpy(theAppName, p+1, qstrlen(p));
-        int l = qstrlen(theAppName);
-        if ((l > 4) && !qstricmp(theAppName + l - 4, ".exe"))
-            theAppName[l-4] = '\0';                // drop .exe extension
-
-        if (appInst == 0) {
-            QT_WA({
-                appInst = GetModuleHandle(0);
-            }, {
-                appInst = GetModuleHandleA(0);
-            });
-        }
-    }
-}
 
-Q_CORE_EXPORT QString qAppFileName()                // get application file name
-{
-    return QString::fromLatin1(appFileName);
+        QString moduleName = qAppFileName();
+
+        QByteArray filePath = moduleName.toLocal8Bit();
+        QByteArray fileName = QFileInfo(moduleName).baseName().toLocal8Bit();
+
+        memcpy(appFileName, filePath.constData(), filePath.length());
+        memcpy(theAppName, fileName.constData(), fileName.length());
+
+        if (appInst == 0)
+            appInst = GetModuleHandle(0);
+    }
 }
 
 QString QCoreApplicationPrivate::appName() const
 {
-    if (!theAppName[0])
-        set_winapp_name();
-    return QString::fromLatin1(theAppName);
+    return QFileInfo(qAppFileName()).baseName();
 }
 
 class QWinMsgHandlerCriticalSection
@@ -145,15 +167,11 @@ Q_CORE_EXPORT void qWinMsgHandler(QtMsgType t, const char* str)
         str = "(null)";
 
     staticCriticalSection.lock();
-    QT_WA({
-        QString s(QString::fromLocal8Bit(str));
-        s += QLatin1Char('\n');
-        OutputDebugStringW((TCHAR*)s.utf16());
-    }, {
-        QByteArray s(str);
-        s += '\n';
-        OutputDebugStringA(s.data());
-    })
+
+    QString s(QString::fromLocal8Bit(str));
+    s += QLatin1Char('\n');
+    OutputDebugString((wchar_t*)s.utf16());
+
     staticCriticalSection.unlock();
 }
 
@@ -262,7 +280,7 @@ QT_END_INCLUDE_NAMESPACE
 // The values below should never change. Note that none of the usual
 // WM_...FIRST & WM_...LAST values are in the list, as they normally have other
 // WM_... representations
-struct {
+struct KnownWM {
     uint WM;
     const char* str;
 } knownWM[] =
@@ -564,7 +582,7 @@ struct {
  { 0,0 }}; // End of known messages
 
 // Looks up the WM_ message in the table above
-const char* findWMstr(uint msg)
+static const char* findWMstr(uint msg)
 {
     uint i = 0;
     const char* result = 0;
diff --git a/src/corelib/kernel/qcorecmdlineargs_p.h b/src/corelib/kernel/qcorecmdlineargs_p.h
index c0dd813..a012b4e 100644
--- a/src/corelib/kernel/qcorecmdlineargs_p.h
+++ b/src/corelib/kernel/qcorecmdlineargs_p.h
@@ -135,9 +135,9 @@ static inline QStringList qWinCmdArgs(QString cmdLine) // not const-ref: this mi
     QStringList args;
 
     int argc = 0;
-    QVector<ushort*> argv = qWinCmdLine<ushort>((ushort*)cmdLine.utf16(), cmdLine.length(), argc);
+    QVector<wchar_t*> argv = qWinCmdLine<wchar_t>((wchar_t *)cmdLine.utf16(), cmdLine.length(), argc);
     for (int a = 0; a < argc; ++a) {
-        args << QString::fromUtf16(argv[a]);
+        args << QString::fromWCharArray(argv[a]);
     }
 
     return args;
@@ -147,10 +147,7 @@ static inline QStringList qCmdLineArgs(int argc, char *argv[])
 {
     Q_UNUSED(argc)
     Q_UNUSED(argv)
-    QString cmdLine = QT_WA_INLINE(
-        QString::fromUtf16((unsigned short*)GetCommandLineW()),
-        QString::fromLocal8Bit(GetCommandLineA())
-    );
+    QString cmdLine = QString::fromWCharArray(GetCommandLine());
     return qWinCmdArgs(cmdLine);
 }
 
diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
index 0ffd6f7..3cb8fe6 100644
--- a/src/corelib/kernel/qcoreevent.cpp
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -221,14 +221,13 @@ QT_BEGIN_NAMESPACE
     \value WindowStateChange                The \l{QWidget::windowState()}{window's state} (minimized, maximized or full-screen) has changed (QWindowStateChangeEvent).
     \value WindowTitleChange                The window title has changed.
     \value WindowUnblocked                  The window is unblocked after a modal dialog exited.
+    \value Wrapped                          The event is a wrapper for, i.e., contains, another event (QWrappedEvent).
     \value ZOrderChange                     The widget's z-order has changed. This event is never sent to top level windows.
     \value KeyboardLayoutChange             The keyboard layout has changed.
     \value DynamicPropertyChange            A dynamic property was added, changed or removed from the object.
     \value TouchBegin                       Beginning of a sequence of touch-screen and/or track-pad events (QTouchEvent)
     \value TouchUpdate                      Touch-screen event (QTouchEvent)
     \value TouchEnd                         End of touch-event sequence (QTouchEvent)
-    \value Gesture                          A gesture has occured.
-    \value GraphicsSceneGesture             A gesture has occured on a graphics scene.
 
     User events should have values between \c User and \c{MaxUser}:
 
@@ -271,9 +270,9 @@ QT_BEGIN_NAMESPACE
     \omitvalue NetworkReplyUpdated
     \omitvalue FutureCallOut
     \omitvalue CocoaRequestModal
-    \omitvalue Wrapped
     \omitvalue Signal
     \omitvalue SymbianDeferredFocusChanged
+    \omitvalue WinGesture
 */
 
 /*!
diff --git a/src/corelib/kernel/qcoreevent.h b/src/corelib/kernel/qcoreevent.h
index efa9fd3..c361fd5 100644
--- a/src/corelib/kernel/qcoreevent.h
+++ b/src/corelib/kernel/qcoreevent.h
@@ -276,8 +276,7 @@ public:
         TouchUpdate = 195,
         TouchEnd = 196,
 
-        Gesture = 197,
-        GraphicsSceneGesture = 198,
+        WinGesture = 197,
 
         RequestSoftwareInputPanel = 199,
         CloseSoftwareInputPanel = 200,
diff --git a/src/corelib/kernel/qeventdispatcher_unix.cpp b/src/corelib/kernel/qeventdispatcher_unix.cpp
index 67f2cd0..288b381 100644
--- a/src/corelib/kernel/qeventdispatcher_unix.cpp
+++ b/src/corelib/kernel/qeventdispatcher_unix.cpp
@@ -49,6 +49,7 @@
 #include "qeventdispatcher_unix_p.h"
 #include <private/qthread_p.h>
 #include <private/qcoreapplication_p.h>
+#include <private/qcore_unix_p.h>
 
 #include <errno.h>
 #include <stdio.h>
@@ -58,10 +59,33 @@
 #  include <sys/times.h>
 #endif
 
+#ifdef Q_OS_MAC
+#include <mach/mach_time.h>
+#endif
+
 QT_BEGIN_NAMESPACE
 
 Q_CORE_EXPORT bool qt_disable_lowpriority_timers=false;
 
+// check for _POSIX_MONOTONIC_CLOCK support
+static bool supportsMonotonicClock()
+{
+    bool returnValue;
+
+#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC)
+    returnValue = false;
+#  if (_POSIX_MONOTONIC_CLOCK == 0)
+    // detect if the system support monotonic timers
+    long x = sysconf(_SC_MONOTONIC_CLOCK);
+    returnValue = x >= 200112L;
+#  endif
+#else
+    returnValue = true;
+#endif
+
+    return returnValue;
+}
+
 /*****************************************************************************
  UNIX signal handling
  *****************************************************************************/
@@ -76,6 +100,7 @@ static void signalHandler(int sig)
 }
 
 
+#ifdef Q_OS_INTEGRITY
 static void initThreadPipeFD(int fd)
 {
     int ret = fcntl(fd, F_SETFD, FD_CLOEXEC);
@@ -90,7 +115,7 @@ static void initThreadPipeFD(int fd)
     if (ret == -1)
         perror("QEventDispatcherUNIXPrivate: Unable to set flags on thread pipe");
 }
-
+#endif
 
 QEventDispatcherUNIXPrivate::QEventDispatcherUNIXPrivate()
 {
@@ -102,13 +127,13 @@ QEventDispatcherUNIXPrivate::QEventDispatcherUNIXPrivate()
     // INTEGRITY doesn't like a "select" on pipes, so use socketpair instead
     if (socketpair(AF_INET, SOCK_STREAM, PF_INET, thread_pipe) == -1)
         perror("QEventDispatcherUNIXPrivate(): Unable to create socket pair");
-#else
-    if (pipe(thread_pipe) == -1)
-        perror("QEventDispatcherUNIXPrivate(): Unable to create thread pipe");
-#endif
 
     initThreadPipeFD(thread_pipe[0]);
     initThreadPipeFD(thread_pipe[1]);
+#else
+    if (qt_safe_pipe(thread_pipe, O_NONBLOCK) == -1)
+        perror("QEventDispatcherUNIXPrivate(): Unable to create thread pipe");
+#endif
 
     sn_highest = -1;
 
@@ -256,18 +281,11 @@ int QEventDispatcherUNIXPrivate::doSelect(QEventLoop::ProcessEventsFlags flags,
  */
 
 QTimerInfoList::QTimerInfoList()
+    : useMonotonicTimers(supportsMonotonicClock())
 {
-#if (_POSIX_MONOTONIC_CLOCK-0 <= 0)
-    useMonotonicTimers = false;
-
-#  if (_POSIX_MONOTONIC_CLOCK == 0)
-    // detect if the system support monotonic timers
-    long x = sysconf(_SC_MONOTONIC_CLOCK);
-    useMonotonicTimers = x != -1;
-#  endif
-
     getTime(currentTime);
 
+#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC)
     if (!useMonotonicTimers) {
         // not using monotonic timers, initialize the timeChanged() machinery
         previousTime = currentTime;
@@ -284,9 +302,6 @@ QTimerInfoList::QTimerInfoList()
         ticksPerSecond = 0;
         msPerTick = 0;
     }
-#else
-    // using monotonic timers unconditionally
-    getTime(currentTime);
 #endif
 
     firstTimerInfo = currentTimerInfo = 0;
@@ -298,7 +313,21 @@ timeval QTimerInfoList::updateCurrentTime()
     return currentTime;
 }
 
-#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) || defined(QT_BOOTSTRAPPED)
+#if ((_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC)) || defined(QT_BOOTSTRAPPED)
+
+template <>
+timeval qAbs(const timeval &t)
+{
+    timeval tmp = t;
+    if (tmp.tv_sec < 0) {
+        tmp.tv_sec = -tmp.tv_sec - 1;
+        tmp.tv_usec -= 1000000;
+    }
+    if (tmp.tv_sec == 0 && tmp.tv_usec < 0) {
+        tmp.tv_usec = -tmp.tv_usec;
+    }
+    return normalizedTimeval(tmp);
+}
 
 /*
   Returns true if the real time clock has changed by more than 10%
@@ -312,23 +341,27 @@ bool QTimerInfoList::timeChanged(timeval *delta)
     tms unused;
     clock_t currentTicks = times(&unused);
 
-    int elapsedTicks = currentTicks - previousTicks;
+    clock_t elapsedTicks = currentTicks - previousTicks;
     timeval elapsedTime = currentTime - previousTime;
-    int elapsedMsecTicks = (elapsedTicks * 1000) / ticksPerSecond;
-    int deltaMsecs = (elapsedTime.tv_sec * 1000 + elapsedTime.tv_usec / 1000)
-                     - elapsedMsecTicks;
 
-    if (delta) {
-	delta->tv_sec = deltaMsecs / 1000;
-	delta->tv_usec = (deltaMsecs % 1000) * 1000;
-    }
+    timeval elapsedTimeTicks;
+    elapsedTimeTicks.tv_sec = elapsedTicks / ticksPerSecond;
+    elapsedTimeTicks.tv_usec = (((elapsedTicks * 1000) / ticksPerSecond) % 1000) * 1000;
+
+    timeval dummy;
+    if (!delta)
+        delta = &dummy;
+    *delta = elapsedTime - elapsedTimeTicks;
+
     previousTicks = currentTicks;
     previousTime = currentTime;
 
     // If tick drift is more than 10% off compared to realtime, we assume that the clock has
     // been set. Of course, we have to allow for the tick granularity as well.
-
-     return (qAbs(deltaMsecs) - msPerTick) * 10 > elapsedMsecTicks;
+    timeval tickGranularity;
+    tickGranularity.tv_sec = 0;
+    tickGranularity.tv_usec = msPerTick * 1000;
+    return elapsedTimeTicks < ((qAbs(*delta) - tickGranularity) * 10);
 }
 
 void QTimerInfoList::getTime(timeval &t)
@@ -373,10 +406,21 @@ void QTimerInfoList::repairTimersIfNeeded()
 
 void QTimerInfoList::getTime(timeval &t)
 {
+#if defined(Q_OS_MAC)
+    static mach_timebase_info_data_t info = {0,0};
+    if (info.denom == 0)
+        mach_timebase_info(&info);
+
+    uint64_t cpu_time = mach_absolute_time();
+    uint64_t nsecs = cpu_time * (info.numer / info.denom);
+    t.tv_sec = nsecs * 1e-9;
+    t.tv_usec = nsecs * 1e-3 - (t.tv_sec * 1e6);
+#else
     timespec ts;
     clock_gettime(CLOCK_MONOTONIC, &ts);
     t.tv_sec = ts.tv_sec;
     t.tv_usec = ts.tv_nsec / 1000;
+#endif
 }
 
 void QTimerInfoList::repairTimersIfNeeded()
@@ -407,7 +451,7 @@ void QTimerInfoList::timerRepair(const timeval &diff)
     // repair all timers
     for (int i = 0; i < size(); ++i) {
         register QTimerInfo *t = at(i);
-        t->timeout = t->timeout - diff;
+        t->timeout = t->timeout + diff;
     }
 }
 
@@ -608,7 +652,7 @@ int QEventDispatcherUNIX::select(int nfds, fd_set *readfds, fd_set *writefds, fd
                                  timeval *timeout)
 {
     Q_D(QEventDispatcherUNIX);
-    if (timeout) {
+    if (timeout && d->timerList.useMonotonicTimers) {
         // handle the case where select returns with a timeout, too
         // soon.
         timeval tvStart = d->timerList.currentTime;
diff --git a/src/corelib/kernel/qeventdispatcher_unix_p.h b/src/corelib/kernel/qeventdispatcher_unix_p.h
index e0ac5da..88d645e 100644
--- a/src/corelib/kernel/qeventdispatcher_unix_p.h
+++ b/src/corelib/kernel/qeventdispatcher_unix_p.h
@@ -72,6 +72,18 @@ QT_BEGIN_NAMESPACE
 #endif
 
 // Internal operator functions for timevals
+inline timeval &normalizedTimeval(timeval &t)
+{
+    while (t.tv_usec > 1000000l) {
+        ++t.tv_sec;
+        t.tv_usec -= 1000000l;
+    }
+    while (t.tv_usec < 0l) {
+        --t.tv_sec;
+        t.tv_usec += 1000000l;
+    }
+    return t;
+}
 inline bool operator<(const timeval &t1, const timeval &t2)
 { return t1.tv_sec < t2.tv_sec || (t1.tv_sec == t2.tv_sec && t1.tv_usec < t2.tv_usec); }
 inline bool operator==(const timeval &t1, const timeval &t2)
@@ -79,31 +91,29 @@ inline bool operator==(const timeval &t1, const timeval &t2)
 inline timeval &operator+=(timeval &t1, const timeval &t2)
 {
     t1.tv_sec += t2.tv_sec;
-    if ((t1.tv_usec += t2.tv_usec) >= 1000000l) {
-        ++t1.tv_sec;
-        t1.tv_usec -= 1000000l;
-    }
-    return t1;
+    t1.tv_usec += t2.tv_usec;
+    return normalizedTimeval(t1);
 }
 inline timeval operator+(const timeval &t1, const timeval &t2)
 {
     timeval tmp;
     tmp.tv_sec = t1.tv_sec + t2.tv_sec;
-    if ((tmp.tv_usec = t1.tv_usec + t2.tv_usec) >= 1000000l) {
-        ++tmp.tv_sec;
-        tmp.tv_usec -= 1000000l;
-    }
-    return tmp;
+    tmp.tv_usec = t1.tv_usec + t2.tv_usec;
+    return normalizedTimeval(tmp);
 }
 inline timeval operator-(const timeval &t1, const timeval &t2)
 {
     timeval tmp;
-    tmp.tv_sec = t1.tv_sec - t2.tv_sec;
-    if ((tmp.tv_usec = t1.tv_usec - t2.tv_usec) < 0l) {
-        --tmp.tv_sec;
-        tmp.tv_usec += 1000000l;
-    }
-    return tmp;
+    tmp.tv_sec = t1.tv_sec - (t2.tv_sec - 1);
+    tmp.tv_usec = t1.tv_usec - (t2.tv_usec + 1000000);
+    return normalizedTimeval(tmp);
+}
+inline timeval operator*(const timeval &t1, int mul)
+{
+    timeval tmp;
+    tmp.tv_sec = t1.tv_sec * mul;
+    tmp.tv_usec = t1.tv_usec * mul;
+    return normalizedTimeval(tmp);
 }
 
 // internal timer info
@@ -117,9 +127,7 @@ struct QTimerInfo {
 
 class QTimerInfoList : public QList<QTimerInfo*>
 {
-#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) || defined(QT_BOOTSTRAPPED)
-    bool useMonotonicTimers;
-
+#if ((_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC)) || defined(QT_BOOTSTRAPPED)
     timeval previousTime;
     clock_t previousTicks;
     int ticksPerSecond;
@@ -134,6 +142,8 @@ class QTimerInfoList : public QList<QTimerInfo*>
 public:
     QTimerInfoList();
 
+    const bool useMonotonicTimers;
+
     void getTime(timeval &t);
 
     timeval currentTime;
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index cb1549c..33b66f5 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -355,8 +355,7 @@ QEventDispatcherWin32Private::QEventDispatcherWin32Private()
 {
     resolveTimerAPI();
 
-    wakeUpNotifier.setHandle(QT_WA_INLINE(CreateEventW(0, FALSE, FALSE, 0),
-                                          CreateEventA(0, FALSE, FALSE, 0)));
+    wakeUpNotifier.setHandle(CreateEvent(0, FALSE, FALSE, 0));
     if (!wakeUpNotifier.handle())
         qWarning("QEventDispatcher: Creating QEventDispatcherWin32Private wakeup event failed");
 }
@@ -367,13 +366,8 @@ QEventDispatcherWin32Private::~QEventDispatcherWin32Private()
     CloseHandle(wakeUpNotifier.handle());
     if (internalHwnd)
         DestroyWindow(internalHwnd);
-    QByteArray className = "QEventDispatcherWin32_Internal_Widget" + QByteArray::number(quintptr(qt_internal_proc));
-#if !defined(Q_OS_WINCE)
-    UnregisterClassA(className.constData(), qWinAppInst());
-#else
-    UnregisterClassW(reinterpret_cast<const wchar_t *> (QString::fromLatin1(className.constData()).utf16())
-                     , qWinAppInst());
-#endif
+    QString className = QLatin1String("QEventDispatcherWin32_Internal_Widget") + QString::number(quintptr(qt_internal_proc));
+    UnregisterClass((wchar_t*)className.utf16(), qWinAppInst());
 }
 
 void QEventDispatcherWin32Private::activateEventNotifier(QWinEventNotifier * wen)
@@ -382,18 +376,24 @@ void QEventDispatcherWin32Private::activateEventNotifier(QWinEventNotifier * wen
     QCoreApplication::sendEvent(wen, &event);
 }
 
-
+// ### Qt 5: remove
 Q_CORE_EXPORT bool winPeekMessage(MSG* msg, HWND hWnd, UINT wMsgFilterMin,
                      UINT wMsgFilterMax, UINT wRemoveMsg)
 {
-    QT_WA({ return PeekMessage(msg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); } ,
-          { return PeekMessageA(msg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); });
+    return PeekMessage(msg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg);
 }
 
+// ### Qt 5: remove
 Q_CORE_EXPORT bool winPostMessage(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
-    QT_WA({ return PostMessage(hWnd, msg, wParam, lParam); } ,
-          { return PostMessageA(hWnd, msg, wParam, lParam); });
+    return PostMessage(hWnd, msg, wParam, lParam);
+}
+
+// ### Qt 5: remove
+Q_CORE_EXPORT bool winGetMessage(MSG* msg, HWND hWnd, UINT wMsgFilterMin,
+                     UINT wMsgFilterMax)
+{
+    return GetMessage(msg, hWnd, wMsgFilterMin, wMsgFilterMax);
 }
 
 // This function is called by a workerthread
@@ -443,10 +443,10 @@ LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
 
     #ifdef GWLP_USERDATA
             QEventDispatcherWin32 *eventDispatcher =
-                (QEventDispatcherWin32 *) GetWindowLongPtrA(hwnd, GWLP_USERDATA);
+                (QEventDispatcherWin32 *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
     #else
             QEventDispatcherWin32 *eventDispatcher =
-                (QEventDispatcherWin32 *) GetWindowLongA(hwnd, GWL_USERDATA);
+                (QEventDispatcherWin32 *) GetWindowLong(hwnd, GWL_USERDATA);
     #endif
             if (eventDispatcher) {
                 QEventDispatcherWin32Private *d = eventDispatcher->d_func();
@@ -494,54 +494,35 @@ LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
 
 static HWND qt_create_internal_window(const QEventDispatcherWin32 *eventDispatcher)
 {
-    HINSTANCE hi = qWinAppInst();
-#if defined(Q_OS_WINCE)
+    // make sure that multiple Qt's can coexist in the same process
+    QString className = QLatin1String("QEventDispatcherWin32_Internal_Widget") + QString::number(quintptr(qt_internal_proc));
+
     WNDCLASS wc;
-#else
-    WNDCLASSA wc;
-#endif
     wc.style = 0;
     wc.lpfnWndProc = qt_internal_proc;
     wc.cbClsExtra = 0;
     wc.cbWndExtra = 0;
-    wc.hInstance = hi;
+    wc.hInstance = qWinAppInst();
     wc.hIcon = 0;
     wc.hCursor = 0;
     wc.hbrBackground = 0;
     wc.lpszMenuName = NULL;
+    wc.lpszClassName = reinterpret_cast<const wchar_t *> (className.utf16());
 
-    // make sure that multiple Qt's can coexist in the same process
-    QByteArray className = "QEventDispatcherWin32_Internal_Widget" + QByteArray::number(quintptr(qt_internal_proc));
-#if defined(Q_OS_WINCE)
-    QString tmp = QString::fromLatin1(className.data());
-    wc.lpszClassName = reinterpret_cast<const wchar_t *> (tmp.utf16());
     RegisterClass(&wc);
     HWND wnd = CreateWindow(wc.lpszClassName,  // classname
-                             wc.lpszClassName,  // window name
-                             0,                 // style
-                             0, 0, 0, 0,        // geometry
-                             0,                 // parent
-                             0,                 // menu handle
-                             hi,                // application
-                             0);                // windows creation data.
-#else
-    wc.lpszClassName = className.constData();
-    RegisterClassA(&wc);
-    HWND wnd = CreateWindowA(wc.lpszClassName,  // classname
-                             wc.lpszClassName,  // window name
-                             0,                 // style
-                             0, 0, 0, 0,        // geometry
-                             0,                 // parent
-                             0,                 // menu handle
-                             hi,                // application
-                             0);                // windows creation data.
-#endif
-
+                            wc.lpszClassName,  // window name
+                            0,                 // style
+                            0, 0, 0, 0,        // geometry
+                            0,                 // parent
+                            0,                 // menu handle
+                            qWinAppInst(),     // application
+                            0);                // windows creation data.
 
 #ifdef GWLP_USERDATA
-    SetWindowLongPtrA(wnd, GWLP_USERDATA, (LONG_PTR)eventDispatcher);
+    SetWindowLongPtr(wnd, GWLP_USERDATA, (LONG_PTR)eventDispatcher);
 #else
-    SetWindowLongA(wnd, GWL_USERDATA, (LONG)eventDispatcher);
+    SetWindowLong(wnd, GWL_USERDATA, (LONG)eventDispatcher);
 #endif
 
     if (!wnd) {
@@ -690,7 +671,7 @@ bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
                 haveMessage = true;
                 msg = d->queuedSocketEvents.takeFirst();
             } else {
-                haveMessage = winPeekMessage(&msg, 0, 0, 0, PM_REMOVE);
+                haveMessage = PeekMessage(&msg, 0, 0, 0, PM_REMOVE);
                 if (haveMessage && (flags & QEventLoop::ExcludeUserInputEvents)
                     && ((msg.message >= WM_KEYFIRST
                          && msg.message <= WM_KEYLAST)
@@ -738,11 +719,7 @@ bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
 
                 if (!filterEvent(&msg)) {
                     TranslateMessage(&msg);
-                    QT_WA({
-                        DispatchMessage(&msg);
-                    } , {
-                        DispatchMessageA(&msg);
-                    });
+                    DispatchMessage(&msg);
                 }
             } else if (waitRet >= WAIT_OBJECT_0 && waitRet < WAIT_OBJECT_0 + nCount) {
                 d->activateEventNotifier(d->winEventNotifierList.at(waitRet - WAIT_OBJECT_0));
@@ -781,7 +758,7 @@ bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
 bool QEventDispatcherWin32::hasPendingEvents()
 {
     MSG msg;
-    return qGlobalPostedEventsCount() || winPeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
+    return qGlobalPostedEventsCount() || PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
 }
 
 void QEventDispatcherWin32::registerSocketNotifier(QSocketNotifier *notifier)
diff --git a/src/corelib/kernel/qfunctions_wince.cpp b/src/corelib/kernel/qfunctions_wince.cpp
index 2c47adb..5680ad5 100644
--- a/src/corelib/kernel/qfunctions_wince.cpp
+++ b/src/corelib/kernel/qfunctions_wince.cpp
@@ -108,7 +108,7 @@ int qt_wince__getdrive( void )
     return 1;
 }
 
-int qt_wince__waccess( const WCHAR *path, int pmode )
+int qt_wince__waccess( const wchar_t *path, int pmode )
 {
     DWORD res = GetFileAttributes( path );
     if ( 0xFFFFFFFF == res )
@@ -118,7 +118,7 @@ int qt_wince__waccess( const WCHAR *path, int pmode )
         return -1;
 
     if ( (pmode & X_OK) && !(res & FILE_ATTRIBUTE_DIRECTORY) ) {
-        QString file = QString::fromUtf16(reinterpret_cast<const ushort *> (path));
+        QString file = QString::fromWCharArray(path);
         if ( !(file.endsWith(QString::fromLatin1(".exe")) ||
            file.endsWith(QString::fromLatin1(".com"))) )
         return -1;
@@ -130,12 +130,12 @@ int qt_wince__waccess( const WCHAR *path, int pmode )
 int qt_wince_open( const char *filename, int oflag, int pmode )
 {
     QString fn( QString::fromLatin1(filename) );
-    return _wopen( (WCHAR*)fn.utf16(), oflag, pmode );
+    return _wopen( (wchar_t*)fn.utf16(), oflag, pmode );
 }
 
-int qt_wince__wopen( const WCHAR *filename, int oflag, int /*pmode*/ )
+int qt_wince__wopen( const wchar_t *filename, int oflag, int /*pmode*/ )
 {
-    WCHAR *flag;
+    wchar_t *flag;
 
     if ( oflag & _O_APPEND ) {
         if ( oflag & _O_WRONLY ) {
@@ -290,7 +290,7 @@ bool qt_wince__chmod(const char *file, int mode)
     return _wchmod( reinterpret_cast<const wchar_t *> (QString::fromLatin1(file).utf16()), mode);
 }
 
-bool qt_wince__wchmod(const WCHAR *file, int mode)
+bool qt_wince__wchmod(const wchar_t *file, int mode)
 {
     // ### Does not work properly, what about just adding one property?
     if(mode&_S_IWRITE) {
diff --git a/src/corelib/kernel/qfunctions_wince.h b/src/corelib/kernel/qfunctions_wince.h
index 307e17b..41cb641 100644
--- a/src/corelib/kernel/qfunctions_wince.h
+++ b/src/corelib/kernel/qfunctions_wince.h
@@ -175,8 +175,8 @@ typedef int mode_t;
 extern int errno;
 
 int     qt_wince__getdrive( void );
-int     qt_wince__waccess( const WCHAR *path, int pmode );
-int     qt_wince__wopen( const WCHAR *filename, int oflag, int pmode );
+int     qt_wince__waccess( const wchar_t *path, int pmode );
+int     qt_wince__wopen( const wchar_t *filename, int oflag, int pmode );
 long    qt_wince__lseek( int handle, long offset, int origin );
 int     qt_wince__read( int handle, void *buffer, unsigned int count );
 int     qt_wince__write( int handle, const void *buffer, unsigned int count );
@@ -204,7 +204,7 @@ int qt_wince_SetErrorMode(int);
 #endif
 
 bool qt_wince__chmod(const char *file, int mode);
-bool qt_wince__wchmod(const WCHAR *file, int mode);
+bool qt_wince__wchmod(const wchar_t *file, int mode);
 
 #pragma warning(disable: 4273)
 HANDLE qt_wince_CreateFileA(LPCSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE);
diff --git a/src/corelib/kernel/qmath.h b/src/corelib/kernel/qmath.h
index 348957f..7a77d56 100644
--- a/src/corelib/kernel/qmath.h
+++ b/src/corelib/kernel/qmath.h
@@ -132,6 +132,10 @@ inline qreal qPow(qreal x, qreal y)
         return pow(x, y);
 }
 
+#ifndef M_PI
+#define M_PI (3.14159265358979323846)
+#endif
+
 QT_END_NAMESPACE
 
 QT_END_HEADER
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp
index 215f6ae..08cecaf 100644
--- a/src/corelib/kernel/qmetaobject.cpp
+++ b/src/corelib/kernel/qmetaobject.cpp
@@ -2136,8 +2136,15 @@ QVariant QMetaProperty::read(const QObject *object) const
             return QVariant();
         }
     }
+
+    // the status variable is changed by qt_metacall to indicate what it did
+    // this feature is currently only used by QtDBus and should not be depended
+    // upon. Don't change it without looking into QDBusAbstractInterface first
+    // -1 (unchanged): normal qt_metacall, result stored in argv[0]
+    // changed: result stored directly in value
+    int status = -1;
     QVariant value;
-    void *argv[2] = { 0, &value };
+    void *argv[] = { 0, &value, &status };
     if (t == QVariant::LastType) {
         argv[0] = &value;
     } else {
@@ -2147,8 +2154,8 @@ QVariant QMetaProperty::read(const QObject *object) const
     const_cast<QObject*>(object)->qt_metacall(QMetaObject::ReadProperty,
                                               idx + mobj->propertyOffset(),
                                               argv);
-    if (argv[1] == 0)
-        // "value" was changed
+
+    if (status != -1)
         return value;
     if (t != QVariant::LastType && argv[0] != value.data())
         // pointer or reference
@@ -2206,13 +2213,19 @@ bool QMetaProperty::write(QObject *object, const QVariant &value) const
             return false;
     }
 
-    void *argv[2] = { 0, &v };
+    // the status variable is changed by qt_metacall to indicate what it did
+    // this feature is currently only used by QtDBus and should not be depended
+    // upon. Don't change it without looking into QDBusAbstractInterface first
+    // -1 (unchanged): normal qt_metacall, result stored in argv[0]
+    // changed: result stored directly in value, return the value of status
+    int status = -1;
+    void *argv[] = { 0, &v, &status };
     if (t == QVariant::LastType)
         argv[0] = &v;
     else
         argv[0] = v.data();
     object->qt_metacall(QMetaObject::WriteProperty, idx + mobj->propertyOffset(), argv);
-    return true;
+    return status;
 }
 
 /*!
@@ -2291,6 +2304,8 @@ QMetaMethod QMetaProperty::notifySignal() const
 }
 
 /*!
+    \since 4.6
+
     Returns the index of the property change notifying signal if one was 
     specified, otherwise returns -1.
 
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp
index 91266db..bd27ec2 100644
--- a/src/corelib/kernel/qmetatype.cpp
+++ b/src/corelib/kernel/qmetatype.cpp
@@ -171,6 +171,11 @@ QT_BEGIN_NAMESPACE
     \value QBitmap QBitmap
     \value QMatrix QMatrix
     \value QTransform QTransform
+    \value QMatrix4x4 QMatrix4x4
+    \value QVector2D QVector2D
+    \value QVector3D QVector3D
+    \value QVector4D QVector4D
+    \value QQuaternion QQuaternion
 
     \value User  Base value for user types
 
@@ -272,6 +277,11 @@ static const struct { const char * typeName; int type; } types[] = {
     {"QTextFormat", QMetaType::QTextFormat},
     {"QMatrix", QMetaType::QMatrix},
     {"QTransform", QMetaType::QTransform},
+    {"QMatrix4x4", QMetaType::QMatrix4x4},
+    {"QVector2D", QMetaType::QVector2D},
+    {"QVector3D", QMetaType::QVector3D},
+    {"QVector4D", QMetaType::QVector4D},
+    {"QQuaternion", QMetaType::QQuaternion},
 
     /* All Metatype builtins */
     {"void*", QMetaType::VoidStar},
@@ -430,16 +440,15 @@ int QMetaType::registerType(const char *typeName, Destructor destructor,
 #endif
 
     QWriteLocker locker(customTypesLock());
-    static int currentIdx = User;
     int idx = qMetaTypeType_unlocked(normalizedTypeName);
 
     if (!idx) {
-        idx = currentIdx++;
-        ct->resize(ct->count() + 1);
-        QCustomTypeInfo &inf = (*ct)[idx - User];
+        QCustomTypeInfo inf;
         inf.typeName = normalizedTypeName;
         inf.constr = constructor;
         inf.destr = destructor;
+        idx = ct->size() + User;
+        ct->append(inf);
     }
     return idx;
 }
@@ -671,6 +680,11 @@ bool QMetaType::save(QDataStream &stream, int type, const void *data)
     case QMetaType::QTextFormat:
     case QMetaType::QMatrix:
     case QMetaType::QTransform:
+    case QMetaType::QMatrix4x4:
+    case QMetaType::QVector2D:
+    case QMetaType::QVector3D:
+    case QMetaType::QVector4D:
+    case QMetaType::QQuaternion:
         if (!qMetaTypeGuiHelper)
             return false;
         qMetaTypeGuiHelper[type - FirstGuiType].saveOp(stream, data);
@@ -863,6 +877,11 @@ bool QMetaType::load(QDataStream &stream, int type, void *data)
     case QMetaType::QTextFormat:
     case QMetaType::QMatrix:
     case QMetaType::QTransform:
+    case QMetaType::QMatrix4x4:
+    case QMetaType::QVector2D:
+    case QMetaType::QVector3D:
+    case QMetaType::QVector4D:
+    case QMetaType::QQuaternion:
         if (!qMetaTypeGuiHelper)
             return false;
         qMetaTypeGuiHelper[type - FirstGuiType].loadOp(stream, data);
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h
index 497c014..052312c 100644
--- a/src/corelib/kernel/qmetatype.h
+++ b/src/corelib/kernel/qmetatype.h
@@ -79,7 +79,9 @@ public:
         QIcon = 69, QImage = 70, QPolygon = 71, QRegion = 72, QBitmap = 73,
         QCursor = 74, QSizePolicy = 75, QKeySequence = 76, QPen = 77,
         QTextLength = 78, QTextFormat = 79, QMatrix = 80, QTransform = 81,
-        LastGuiType = 81 /* QTransform */,
+        QMatrix4x4 = 82, QVector2D = 83, QVector3D = 84, QVector4D = 85,
+        QQuaternion = 86,
+        LastGuiType = 86 /* QQuaternion */,
 
         FirstCoreExtType = 128 /* VoidStar */,
         VoidStar = 128, Long = 129, Short = 130, Char = 131, ULong = 132,
@@ -292,6 +294,11 @@ class QTextLength;
 class QTextFormat;
 class QMatrix;
 class QTransform;
+class QMatrix4x4;
+class QVector2D;
+class QVector3D;
+class QVector4D;
+class QQuaternion;
 
 QT_END_NAMESPACE
 
@@ -354,6 +361,11 @@ Q_DECLARE_BUILTIN_METATYPE(QTextLength, QTextLength)
 Q_DECLARE_BUILTIN_METATYPE(QTextFormat, QTextFormat)
 Q_DECLARE_BUILTIN_METATYPE(QMatrix, QMatrix)
 Q_DECLARE_BUILTIN_METATYPE(QTransform, QTransform)
+Q_DECLARE_BUILTIN_METATYPE(QMatrix4x4, QMatrix4x4)
+Q_DECLARE_BUILTIN_METATYPE(QVector2D, QVector2D)
+Q_DECLARE_BUILTIN_METATYPE(QVector3D, QVector3D)
+Q_DECLARE_BUILTIN_METATYPE(QVector4D, QVector4D)
+Q_DECLARE_BUILTIN_METATYPE(QQuaternion, QQuaternion)
 
 QT_END_HEADER
 
diff --git a/src/corelib/kernel/qmimedata.cpp b/src/corelib/kernel/qmimedata.cpp
index 3d2a7cb..4a1ba9f 100644
--- a/src/corelib/kernel/qmimedata.cpp
+++ b/src/corelib/kernel/qmimedata.cpp
@@ -105,7 +105,7 @@ QVariant QMimeDataPrivate::retrieveTypedData(const QString &format, QVariant::Ty
     Q_Q(const QMimeData);
 
     QVariant data = q->retrieveData(format, type);
-    if (data.type() == type || data.type() == QVariant::Invalid)
+    if (data.type() == type || !data.isValid())
         return data;
 
     // provide more conversion possiblities than just what QVariant provides
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 85e0ed1..3aa9193 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -577,7 +577,7 @@ int QMetaCallEvent::placeMetaCall(QObject *object)
     \l uic generates code that invokes this function to enable
     auto-connection to be performed between widgets on forms created
     with \QD. More information about using auto-connection with \QD is
-    given in the \l{Using a Designer .ui File in Your Application} section of
+    given in the \l{Using a Designer UI File in Your Application} section of
     the \QD manual.
 
     \section2 Dynamic Properties
@@ -870,7 +870,7 @@ QObject::~QObject()
 QObjectPrivate::Connection::~Connection()
 {
     if (argumentTypes != &DIRECT_CONNECTION_ONLY)
-        delete [] argumentTypes;
+        delete [] static_cast<int *>(argumentTypes);
 }
 
 
@@ -2104,6 +2104,34 @@ void QObject::deleteLater()
 
     \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp 17
 
+    \section1 Meta Data
+
+    Additional data can be attached to each translatable message.
+    The syntax:
+
+    \tt{//= <id>}
+
+    can be used to give the message a unique identifier to support tools
+    which need it.
+    The syntax:
+
+    \tt{//~ <field name> <field contents>}
+
+    can be used to attach meta data to the message. The field name should consist
+    of a domain prefix (possibly the conventional file extension of the file format
+    the field is inspired by), a hyphen and the actual field name in
+    underscore-delimited notation. For storage in TS files, the field name together
+    with the prefix "extra-" will form an XML element name. The field contents will
+    be XML-escaped, but otherwise appear verbatim as the element's contents.
+    Any number of unique fields can be added to each message.
+
+    Example:
+
+    \snippet doc/src/snippets/code/src_corelib_kernel_qobject.cpp meta data
+
+    Meta data appearing right in front of a magic TRANSLATOR comment applies to the
+    whole TS file.
+
     \section1 Character Encodings
 
     You can set the encoding for \a sourceText by calling QTextCodec::setCodecForTr().
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp
index 7e8dc23..61f7727 100644
--- a/src/corelib/kernel/qsharedmemory_unix.cpp
+++ b/src/corelib/kernel/qsharedmemory_unix.cpp
@@ -56,7 +56,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-#ifndef QT_NO_SHAREDMEMORY
+#include "private/qcore_unix_p.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -82,7 +82,7 @@ void QSharedMemoryPrivate::setErrorString(const QString &function)
         error = QSharedMemory::AlreadyExists;
         break;
     case ENOENT:
-        errorString = QSharedMemory::tr("%1: doesn't exists").arg(function);
+        errorString = QSharedMemory::tr("%1: doesn't exist").arg(function);
         error = QSharedMemory::NotFound;
         break;
     case EMFILE:
@@ -121,7 +121,7 @@ key_t QSharedMemoryPrivate::handle()
     // ftok requires that an actual file exists somewhere
     QString fileName = makePlatformSafeKey(key);
     if (!QFile::exists(fileName)) {
-        errorString = QSharedMemory::tr("%1: unix key file doesn't exists").arg(QLatin1String("QSharedMemory::handle:"));
+        errorString = QSharedMemory::tr("%1: UNIX key file doesn't exist").arg(QLatin1String("QSharedMemory::handle:"));
         error = QSharedMemory::NotFound;
         return 0;
     }
@@ -152,7 +152,7 @@ int QSharedMemoryPrivate::createUnixKeyFile(const QString &fileName)
     if (QFile::exists(fileName))
         return 0;
 
-    int fd = open(QFile::encodeName(fileName).constData(),
+    int fd = qt_safe_open(QFile::encodeName(fileName).constData(),
             O_EXCL | O_CREAT | O_RDWR, 0640);
     if (-1 == fd) {
         if (errno == EEXIST)
diff --git a/src/corelib/kernel/qsharedmemory_win.cpp b/src/corelib/kernel/qsharedmemory_win.cpp
index d963a6d..ae64806 100644
--- a/src/corelib/kernel/qsharedmemory_win.cpp
+++ b/src/corelib/kernel/qsharedmemory_win.cpp
@@ -71,7 +71,7 @@ void QSharedMemoryPrivate::setErrorString(const QString &function)
     case ERROR_INVALID_PARAMETER:
 #endif
         error = QSharedMemory::NotFound;
-        errorString = QSharedMemory::tr("%1: doesn't exists").arg(function);
+        errorString = QSharedMemory::tr("%1: doesn't exist").arg(function);
         break;
     case ERROR_COMMITMENT_LIMIT:
         error = QSharedMemory::InvalidSize;
@@ -106,16 +106,11 @@ HANDLE QSharedMemoryPrivate::handle()
             return false;
         }
 #ifndef Q_OS_WINCE
-    QT_WA({
-            hand = OpenFileMappingW(FILE_MAP_ALL_ACCESS, false, (TCHAR*)safeKey.utf16());
-        }, {
-            hand = OpenFileMappingA(FILE_MAP_ALL_ACCESS, false, safeKey.toLocal8Bit().constData());
-        });
+        hand = OpenFileMapping(FILE_MAP_ALL_ACCESS, false, (wchar_t*)safeKey.utf16());
 #else
         // This works for opening a mapping too, but always opens it with read/write access in
         // attach as it seems.
-        hand = CreateFileMappingW(INVALID_HANDLE_VALUE,
-               0, PAGE_READWRITE, 0, 0, (TCHAR*)safeKey.utf16());
+        hand = CreateFileMapping(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, 0, (wchar_t*)safeKey.utf16());
 #endif
         if (!hand) {
             setErrorString(function);
@@ -148,13 +143,7 @@ bool QSharedMemoryPrivate::create(int size)
     }
 
     // Create the file mapping.
-    QT_WA( {
-        hand = CreateFileMappingW(INVALID_HANDLE_VALUE,
-               0, PAGE_READWRITE, 0, size, (TCHAR*)safeKey.utf16());
-    }, {
-        hand = CreateFileMappingA(INVALID_HANDLE_VALUE,
-               0, PAGE_READWRITE, 0, size, safeKey.toLocal8Bit().constData());
-    } );
+    hand = CreateFileMapping(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, size, (wchar_t*)safeKey.utf16());
     setErrorString(function);
 
     // hand is valid when it already exists unlike unix so explicitly check
diff --git a/src/corelib/kernel/qsystemsemaphore_win.cpp b/src/corelib/kernel/qsystemsemaphore_win.cpp
index 4e03ddf..1102258 100644
--- a/src/corelib/kernel/qsystemsemaphore_win.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_win.cpp
@@ -87,11 +87,7 @@ HANDLE QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
     // Create it if it doesn't already exists.
     if (semaphore == 0) {
         QString safeName = makeKeyFileName();
-        QT_WA({
-            semaphore = CreateSemaphoreW(0, initialValue, MAXLONG, (TCHAR*)safeName.utf16());
-        }, {
-            semaphore = CreateSemaphoreA(0, initialValue, MAXLONG, safeName.toLocal8Bit().constData());
-        });
+        semaphore = CreateSemaphore(0, initialValue, MAXLONG, (wchar_t*)safeName.utf16());
         if (semaphore == NULL)
             setErrorString(QLatin1String("QSystemSemaphore::handle"));
     }
diff --git a/src/corelib/kernel/qtimer.cpp b/src/corelib/kernel/qtimer.cpp
index d2a0b3a..2ee9d26 100644
--- a/src/corelib/kernel/qtimer.cpp
+++ b/src/corelib/kernel/qtimer.cpp
@@ -103,9 +103,8 @@ QT_BEGIN_NAMESPACE
 
     Note that QTimer's accuracy depends on the underlying operating
     system and hardware. Most platforms support an accuracy of
-    1 millisecond, but Windows 98 supports only 55. If Qt is
-    unable to deliver the requested number of timer clicks, it will
-    silently discard some.
+    1 millisecond. If Qt is unable to deliver the requested number of
+    timer clicks, it will silently discard some.
 
     An alternative to using QTimer is to call QObject::startTimer()
     for your object and reimplement the QObject::timerEvent() event
diff --git a/src/corelib/kernel/qtranslator.cpp b/src/corelib/kernel/qtranslator.cpp
index 64cf16e..dc1b530 100644
--- a/src/corelib/kernel/qtranslator.cpp
+++ b/src/corelib/kernel/qtranslator.cpp
@@ -58,6 +58,7 @@
 
 #if defined(Q_OS_UNIX)
 #define QT_USE_MMAP
+#include "private/qcore_unix_p.h"
 #endif
 
 // most of the headers below are already included in qplatformdefs.h
@@ -502,7 +503,7 @@ bool QTranslator::load(const QString & filename, const QString & directory,
   \overload load()
   \fn bool QTranslator::load(const uchar *data, int len)
 
-  Loads the .qm file data \a data of length \a len into the
+  Loads the QM file data \a data of length \a len into the
   translator.
 
   The data is not copied. The caller must be able to guarantee that \a data
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
index 2b57d2f..b487615 100644
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@@ -1291,6 +1291,7 @@ const QVariant::Handler *QVariant::handler = &qt_kernel_variant_handler;
     \value Map  a QVariantMap
     \value Matrix  a QMatrix
     \value Transform  a QTransform
+    \value Matrix4x4  a QMatrix4x4
     \value Palette  a QPalette
     \value Pen  a QPen
     \value Pixmap  a QPixmap
@@ -1298,6 +1299,7 @@ const QVariant::Handler *QVariant::handler = &qt_kernel_variant_handler;
     \value PointArray  a QPointArray
     \value PointF  a QPointF
     \value Polygon a QPolygon
+    \value Quaternion  a QQuaternion
     \value Rect  a QRect
     \value RectF  a QRectF
     \value RegExp  a QRegExp
@@ -1313,6 +1315,9 @@ const QVariant::Handler *QVariant::handler = &qt_kernel_variant_handler;
     \value UInt  a \l uint
     \value ULongLong a \l qulonglong
     \value Url  a QUrl
+    \value Vector2D  a QVector2D
+    \value Vector3D  a QVector3D
+    \value Vector4D  a QVector4D
 
     \value UserType Base value for user-defined types.
 
@@ -1704,7 +1709,7 @@ QVariant::QVariant(Qt::GlobalColor color) { create(62, &color); }
     Note that return values in the ranges QVariant::Char through
     QVariant::RegExp and QVariant::Font through QVariant::Transform
     correspond to the values in the ranges QMetaType::QChar through
-    QMetaType::QRegExp and QMetaType::QFont through QMetaType::QTransform.
+    QMetaType::QRegExp and QMetaType::QFont through QMetaType::QQuaternion.
 
     Pay particular attention when working with char and QChar
     variants.  Note that there is no QVariant constructor specifically
@@ -1932,7 +1937,7 @@ void QVariant::load(QDataStream &s)
     create(static_cast<int>(u), 0);
     d.is_null = is_null;
 
-    if (d.type == QVariant::Invalid) {
+    if (!isValid()) {
         // Since we wrote something, we should read something
         QString x;
         s >> x;
@@ -1976,7 +1981,7 @@ void QVariant::save(QDataStream &s) const
         s << QMetaType::typeName(userType());
     }
 
-    if (d.type == QVariant::Invalid) {
+    if (!isValid()) {
         s << QString();
         return;
     }
diff --git a/src/corelib/kernel/qvariant.h b/src/corelib/kernel/qvariant.h
index e923844..a68939d 100644
--- a/src/corelib/kernel/qvariant.h
+++ b/src/corelib/kernel/qvariant.h
@@ -154,7 +154,12 @@ class Q_CORE_EXPORT QVariant
         TextFormat = 79,
         Matrix = 80,
         Transform = 81,
-        LastGuiType = Transform,
+        Matrix4x4 = 82,
+        Vector2D = 83,
+        Vector3D = 84,
+        Vector4D = 85,
+        Quaternion = 86,
+        LastGuiType = Quaternion,
 
         UserType = 127,
 #ifdef QT3_SUPPORT