Merge remote-tracking branch 'qt/4.8'

67 files changed, 497 insertions, 233 deletions

diff --git a/src/3rdparty/libpng/pngconf.h b/src/3rdparty/libpng/pngconf.h
index 2a41a29..b02f2a0 100644
--- a/src/3rdparty/libpng/pngconf.h
+++ b/src/3rdparty/libpng/pngconf.h
@@ -286,6 +286,11 @@
 #       endif
 #   endif
 
+/* Avoid exporting libpng symbols from Qt DLL on Windows */
+#   if defined (_MSC_VER) && defined(PNG_IMPEXP)
+#     undef PNG_IMPEXP
+#   endif
+
 #  ifndef PNG_IMPEXP
 #    define PNG_IMPEXP
 #  endif
diff --git a/src/3rdparty/phonon/mmf/environmentalreverb.cpp b/src/3rdparty/phonon/mmf/environmentalreverb.cpp
index d4f5223..cdce6eb 100644
--- a/src/3rdparty/phonon/mmf/environmentalreverb.cpp
+++ b/src/3rdparty/phonon/mmf/environmentalreverb.cpp
@@ -164,7 +164,7 @@ bool EnvironmentalReverb::getParameters(CMdaAudioOutputStream *stream,
         parameters.append(createParameter(
             Diffusion, tr("Diffusion (%)"), effect->Diffusion(), 0, 100));
 
-        //: ReflectionsDelay: Amount of delay between the arrival the direct
+        //: ReflectionsDelay: Amount of delay between the arrival of the direct
         //: path from the source and the arrival of the first reflection.
         parameters.append(createParameter(
             ReflectionsDelay, tr("Reflections delay (ms)"),
@@ -185,7 +185,7 @@ bool EnvironmentalReverb::getParameters(CMdaAudioOutputStream *stream,
             0, effect->ReverbDelayMax()));
 
         effect->ReverbLevelRange(min, max);
-        //: ReverbLevel Amplitude of reverberations.  This value is
+        //: ReverbLevel: Amplitude of reverberations.  This value is
         //: corrected by the RoomLevel to give the final reverberation
         //: amplitude.
         parameters.append(createParameter(
diff --git a/src/3rdparty/phonon/phonon/volumeslider.cpp b/src/3rdparty/phonon/phonon/volumeslider.cpp
index 00970c1..5b38bae 100644
--- a/src/3rdparty/phonon/phonon/volumeslider.cpp
+++ b/src/3rdparty/phonon/phonon/volumeslider.cpp
@@ -42,7 +42,7 @@ VolumeSlider::VolumeSlider(QWidget *parent)
     setToolTip(tr("Volume: %1%").arg(100));
 #endif
 #ifndef QT_NO_WHATSTHIS
-    setWhatsThis(tr("Use this slider to adjust the volume. The leftmost position is 0%, the rightmost is %1%").arg(100));
+    setWhatsThis(tr("Use this slider to adjust the volume. The leftmost position is 0%. The rightmost is %1%").arg(100));
 #endif
 
     connect(&d->slider, SIGNAL(valueChanged(int)), SLOT(_k_sliderChanged(int)));
@@ -60,7 +60,7 @@ VolumeSlider::VolumeSlider(AudioOutput *output, QWidget *parent)
     setToolTip(tr("Volume: %1%").arg(100));
 #endif
 #ifndef QT_NO_WHATSTHIS
-    setWhatsThis(tr("Use this slider to adjust the volume. The leftmost position is 0%, the rightmost is %1%").arg(100));
+    setWhatsThis(tr("Use this slider to adjust the volume. The leftmost position is 0%. The rightmost is %1%").arg(100));
 #endif
 
     connect(&d->slider, SIGNAL(valueChanged(int)), SLOT(_k_sliderChanged(int)));
@@ -114,7 +114,7 @@ void VolumeSlider::setMaximumVolume(qreal volume)
     int max = static_cast<int>(volume * 100);
     k_ptr->slider.setMaximum(max);
 #ifndef QT_NO_WHATSTHIS
-    setWhatsThis(tr("Use this slider to adjust the volume. The leftmost position is 0%, the rightmost is %1%")
+    setWhatsThis(tr("Use this slider to adjust the volume. The leftmost position is 0%. The rightmost is %1%")
             .arg(max));
 #endif
 }
diff --git a/src/3rdparty/webkit/Source/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp b/src/3rdparty/webkit/Source/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp
index 5e0a2e6..fc9bd04 100644
--- a/src/3rdparty/webkit/Source/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp
+++ b/src/3rdparty/webkit/Source/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp
@@ -918,7 +918,7 @@ void FrameLoaderClientQt::committedLoad(WebCore::DocumentLoader* loader, const c
 WebCore::ResourceError FrameLoaderClientQt::cancelledError(const WebCore::ResourceRequest& request)
 {
     ResourceError error = ResourceError("QtNetwork", QNetworkReply::OperationCanceledError, request.url().prettyURL(),
-            QCoreApplication::translate("QWebFrame", "Request cancelled", 0, QCoreApplication::UnicodeUTF8));
+            QCoreApplication::translate("QWebFrame", "Request canceled", 0, QCoreApplication::UnicodeUTF8));
     error.setIsCancellation(true);
     return error;
 }
diff --git a/src/corelib/global/qconfig-minimal.h b/src/corelib/global/qconfig-minimal.h
index ace1eea..1035631 100644
--- a/src/corelib/global/qconfig-minimal.h
+++ b/src/corelib/global/qconfig-minimal.h
@@ -324,9 +324,6 @@
 #ifndef QT_NO_QWSEMBEDWIDGET
 #  define QT_NO_QWSEMBEDWIDGET
 #endif
-#ifndef QT_NO_QWS_ALPHA_CURSOR
-#  define QT_NO_QWS_ALPHA_CURSOR
-#endif
 #ifndef QT_NO_QWS_CURSOR
 #  define QT_NO_QWS_CURSOR
 #endif
diff --git a/src/corelib/global/qconfig-nacl.h b/src/corelib/global/qconfig-nacl.h
index 18ae261..5aefdfe 100644
--- a/src/corelib/global/qconfig-nacl.h
+++ b/src/corelib/global/qconfig-nacl.h
@@ -247,9 +247,6 @@
 #ifndef QT_NO_QWSEMBEDWIDGET
 #  define QT_NO_QWSEMBEDWIDGET
 #endif
-#ifndef QT_NO_QWS_ALPHA_CURSOR
-#  define QT_NO_QWS_ALPHA_CURSOR
-#endif
 #ifndef QT_NO_QWS_CURSOR
 #  define QT_NO_QWS_CURSOR
 #endif
diff --git a/src/corelib/global/qfeatures.h b/src/corelib/global/qfeatures.h
index e0b8a8f..64d5f08 100644
--- a/src/corelib/global/qfeatures.h
+++ b/src/corelib/global/qfeatures.h
@@ -178,9 +178,6 @@
 // QWSEmbedWidget
 //#define QT_NO_QWSEMBEDWIDGET
 
-// Alpha Cursor
-//#define QT_NO_QWS_ALPHA_CURSOR
-
 // Decoration
 //#define QT_NO_QWS_DECORATION_DEFAULT
 
diff --git a/src/corelib/global/qfeatures.txt b/src/corelib/global/qfeatures.txt
index 6b861d4..dea05e0 100644
--- a/src/corelib/global/qfeatures.txt
+++ b/src/corelib/global/qfeatures.txt
@@ -1268,13 +1268,6 @@ Requires: CURSOR
 Name: Cursor
 SeeAlso: ???
 
-Feature: QWS_ALPHA_CURSOR
-Description: Supports alpha-blended cursors.
-Section: Qt for Embedded Linux
-Requires:
-Name: Alpha Cursor
-SeeAlso: ???
-
 Feature: QWS_MANAGER
 Description: Supports the window manager.
 Section: Qt for Embedded Linux
diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp
index 3296bab..28a7267 100644
--- a/src/corelib/io/qfilesystemengine_win.cpp
+++ b/src/corelib/io/qfilesystemengine_win.cpp
@@ -1094,7 +1094,6 @@ QFileSystemEntry QFileSystemEngine::currentPath()
     if (ret.length() >= 2 && ret[1] == QLatin1Char(':'))
         ret[0] = ret.at(0).toUpper(); // Force uppercase drive letters.
 #else
-    Q_UNUSED(fileName);
     //TODO - a race condition exists when using currentPath / setCurrentPath from multiple threads
     if (qfsPrivateCurrentDir.isEmpty())
         qfsPrivateCurrentDir = QCoreApplication::applicationDirPath();
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index e900663..d70811c 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -2281,7 +2281,7 @@ QT_END_INCLUDE_NAMESPACE
     However, note that repeated calls to this function will recreate the
     list of environment variables, which is a non-trivial operation.
 
-    \note For new code, it is recommended to use QProcessEvironment::systemEnvironment()
+    \note For new code, it is recommended to use QProcessEnvironment::systemEnvironment()
 
     \sa QProcessEnvironment::systemEnvironment(), environment(), setEnvironment()
 */
diff --git a/src/corelib/kernel/qcoreevent.h b/src/corelib/kernel/qcoreevent.h
index 281367b..f1a0407 100644
--- a/src/corelib/kernel/qcoreevent.h
+++ b/src/corelib/kernel/qcoreevent.h
@@ -209,8 +209,8 @@ public:
         // last event id used = 132
 
 #ifdef QT_KEYPAD_NAVIGATION
-        EnterEditFocus = 150,                   // enter edit mode in keypad navigation
-        LeaveEditFocus = 151,                   // enter edit mode in keypad navigation
+        EnterEditFocus = 150,                   // enter edit mode in keypad navigation (Defined only with QT_KEYPAD_NAVIGATION)
+        LeaveEditFocus = 151,                   // leave edit mode in keypad navigation (Defined only with QT_KEYPAD_NAVIGATION)
 #endif
         AcceptDropsChange = 152,
 
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 67dbadb..5d6e4d7 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -3002,7 +3002,7 @@ bool QObject::disconnect(const QObject *sender, const QMetaMethod &signal,
         }
         const void *cbdata[] = { sender, signal.mobj ? signalSignature.constData() : 0,
                                  receiver, method.mobj ? methodSignature.constData() : 0 };
-        if (QInternal::activateCallbacks(QInternal::ConnectCallback, (void **) cbdata))
+        if (QInternal::activateCallbacks(QInternal::DisconnectCallback, (void **) cbdata))
             return true;
     }
 
diff --git a/src/corelib/statemachine/qfinalstate.cpp b/src/corelib/statemachine/qfinalstate.cpp
index c583c32..7d65984 100644
--- a/src/corelib/statemachine/qfinalstate.cpp
+++ b/src/corelib/statemachine/qfinalstate.cpp
@@ -80,7 +80,7 @@ QT_BEGIN_NAMESPACE
   machine.start();
   \endcode
 
-  \sa QStateMachine::finished(), QState::finished()
+  \sa QState::finished()
 */
 
 class QFinalStatePrivate : public QAbstractStatePrivate
diff --git a/src/corelib/tools/qchar.cpp b/src/corelib/tools/qchar.cpp
index 9db7d1a..b296129 100644
--- a/src/corelib/tools/qchar.cpp
+++ b/src/corelib/tools/qchar.cpp
@@ -1481,7 +1481,8 @@ static void decomposeHelper(QString *str, bool canonical, QChar::UnicodeVersion
                 ucs4 = QChar::surrogateToUcs4(high, ucs4);
             }
         }
-        if (QChar::unicodeVersion(ucs4) > version)
+        QChar::UnicodeVersion v = QChar::unicodeVersion(ucs4);
+        if (v == QChar::Unicode_Unassigned || v > version)
             continue;
         int length;
         int tag;
@@ -1541,7 +1542,7 @@ static ushort ligatureHelper(ushort u1, ushort u2)
     return 0;
 }
 
-static void composeHelper(QString *str, int from)
+static void composeHelper(QString *str, QChar::UnicodeVersion version, int from)
 {
     QString &s = *str;
 
@@ -1561,7 +1562,14 @@ static void composeHelper(QString *str, int from)
                 ++pos;
             }
         }
-        int combining = QChar::combiningClass(uc);
+        const QUnicodeTables::Properties *p = qGetProp(uc);
+        if (p->unicodeVersion == QChar::Unicode_Unassigned || p->unicodeVersion > version) {
+            starter = -1; // to prevent starter == pos - 1
+            lastCombining = 0;
+            ++pos;
+            continue;
+        }
+        int combining = p->combiningClass;
         if (starter == pos - 1 || combining > lastCombining) {
             // allowed to form ligature with S
             QChar ligature = ligatureHelper(s.at(starter).unicode(), uc);
@@ -1608,7 +1616,7 @@ static void canonicalOrderHelper(QString *str, QChar::UnicodeVersion version, in
         ushort c2 = 0;
         {
             const QUnicodeTables::Properties *p = qGetProp(u2);
-            if ((QChar::UnicodeVersion)p->unicodeVersion <= version)
+            if (p->unicodeVersion != QChar::Unicode_Unassigned && p->unicodeVersion <= version)
                 c2 = p->combiningClass;
         }
         if (c2 == 0) {
@@ -1619,7 +1627,7 @@ static void canonicalOrderHelper(QString *str, QChar::UnicodeVersion version, in
         ushort c1 = 0;
         {
             const QUnicodeTables::Properties *p = qGetProp(u1);
-            if ((QChar::UnicodeVersion)p->unicodeVersion <= version)
+            if (p->unicodeVersion != QChar::Unicode_Unassigned && p->unicodeVersion <= version)
                 c1 = p->combiningClass;
         }
 
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index f5efe55..934b6ad 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -6367,7 +6367,7 @@ void qt_string_normalize(QString *data, QString::NormalizationForm mode, QChar::
     if (mode == QString::NormalizationForm_D || mode == QString::NormalizationForm_KD)
         return;
 
-    composeHelper(data, from);
+    composeHelper(data, version, from);
 }
 
 
diff --git a/src/declarative/debugger/debugger.pri b/src/declarative/debugger/debugger.pri
index 3134c79..c81968e 100644
--- a/src/declarative/debugger/debugger.pri
+++ b/src/declarative/debugger/debugger.pri
@@ -5,13 +5,14 @@ SOURCES += \
     $$PWD/qpacketprotocol.cpp \
     $$PWD/qdeclarativedebugservice.cpp \
     $$PWD/qdeclarativedebugclient.cpp \
-    $$PWD/qdeclarativedebug.cpp \
+    $$PWD/qdeclarativeenginedebug.cpp \
     $$PWD/qdeclarativedebugtrace.cpp \
     $$PWD/qdeclarativedebughelper.cpp \
     $$PWD/qdeclarativedebugserver.cpp \
     $$PWD/qdeclarativeinspectorservice.cpp \
     $$PWD/qjsdebuggeragent.cpp \
-    $$PWD/qjsdebugservice.cpp
+    $$PWD/qjsdebugservice.cpp \
+    $$PWD/qdeclarativeenginedebugservice.cpp
 
 HEADERS += \
     $$PWD/qdeclarativedebuggerstatus_p.h \
@@ -19,7 +20,7 @@ HEADERS += \
     $$PWD/qdeclarativedebugservice_p.h \
     $$PWD/qdeclarativedebugservice_p_p.h \
     $$PWD/qdeclarativedebugclient_p.h \
-    $$PWD/qdeclarativedebug_p.h \
+    $$PWD/qdeclarativeenginedebug_p.h \
     $$PWD/qdeclarativedebugtrace_p.h \
     $$PWD/qdeclarativedebughelper_p.h \
     $$PWD/qdeclarativedebugserver_p.h \
@@ -27,4 +28,6 @@ HEADERS += \
     $$PWD/qdeclarativeinspectorservice_p.h \
     $$PWD/qdeclarativeinspectorinterface_p.h \
     $$PWD/qjsdebuggeragent_p.h \
-    $$PWD/qjsdebugservice_p.h
+    $$PWD/qjsdebugservice_p.h \
+    $$PWD/qdeclarativedebug.h \
+    $$PWD/qdeclarativeenginedebugservice_p.h
diff --git a/src/declarative/debugger/qdeclarativedebug.h b/src/declarative/debugger/qdeclarativedebug.h
new file mode 100644
index 0000000..b7930b2
--- /dev/null
+++ b/src/declarative/debugger/qdeclarativedebug.h
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** 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 QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVEDEBUG_H
+#define QDECLARATIVEDEBUG_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+struct Q_DECLARATIVE_EXPORT QDeclarativeDebuggingEnabler
+{
+    QDeclarativeDebuggingEnabler();
+};
+
+// Execute code in constructor before first QDeclarativeEngine is instantiated
+#if defined(QT_DECLARATIVE_DEBUG)
+static QDeclarativeDebuggingEnabler qmlEnableDebuggingHelper;
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QDECLARATIVEDEBUG_H
diff --git a/src/declarative/debugger/qdeclarativedebugserver.cpp b/src/declarative/debugger/qdeclarativedebugserver.cpp
index 12691b2..3e0c326 100644
--- a/src/declarative/debugger/qdeclarativedebugserver.cpp
+++ b/src/declarative/debugger/qdeclarativedebugserver.cpp
@@ -91,6 +91,7 @@ public:
     QStringList clientPlugins;
     bool gotHello;
     QString waitingForMsgFromService;
+    bool waitingForMsgSucceeded;
 
 private:
     // private slot
@@ -100,7 +101,8 @@ private:
 
 QDeclarativeDebugServerPrivate::QDeclarativeDebugServerPrivate() :
     connection(0),
-    gotHello(false)
+    gotHello(false),
+    waitingForMsgSucceeded(false)
 {
 }
 
@@ -315,7 +317,7 @@ void QDeclarativeDebugServer::receiveMessage(const QByteArray &message)
             if (d->waitingForMsgFromService == name) {
                 // deliver directly so that it is delivered before waitForMessage is returning.
                 d->_q_deliverMessage(name, message);
-                d->waitingForMsgFromService.clear();
+                d->waitingForMsgSucceeded = true;
             } else {
                 // deliver message in next event loop run.
                 // Fixes the case that the service does start it's own event loop ...,
@@ -409,7 +411,9 @@ bool QDeclarativeDebugServer::waitForMessage(QDeclarativeDebugService *service)
 
     do {
         d->connection->waitForMessage();
-    } while (!d->waitingForMsgFromService.isEmpty());
+    } while (!d->waitingForMsgSucceeded);
+    d->waitingForMsgSucceeded = false;
+    d->waitingForMsgFromService.clear();
     return true;
 }
 
diff --git a/src/declarative/debugger/qdeclarativedebug.cpp b/src/declarative/debugger/qdeclarativeenginedebug.cpp
index 620ee1d..85ce710 100644
--- a/src/declarative/debugger/qdeclarativedebug.cpp
+++ b/src/declarative/debugger/qdeclarativeenginedebug.cpp
@@ -39,11 +39,11 @@
 **
 ****************************************************************************/
 
-#include "private/qdeclarativedebug_p.h"
+#include "private/qdeclarativeenginedebug_p.h"
 
 #include "private/qdeclarativedebugclient_p.h"
 
-#include <qdeclarativeenginedebug_p.h>
+#include <qdeclarativeenginedebugservice_p.h>
 
 #include <private/qobject_p.h>
 
@@ -207,7 +207,7 @@ void QDeclarativeEngineDebugPrivate::remove(QDeclarativeEngineDebug *c, QDeclara
 void QDeclarativeEngineDebugPrivate::decode(QDataStream &ds, QDeclarativeDebugObjectReference &o,
                                    bool simple)
 {
-    QDeclarativeEngineDebugServer::QDeclarativeObjectData data;
+    QDeclarativeEngineDebugService::QDeclarativeObjectData data;
     ds >> data;
     o.m_debugId = data.objectId;
     o.m_class = data.objectType;
@@ -234,7 +234,7 @@ void QDeclarativeEngineDebugPrivate::decode(QDataStream &ds, QDeclarativeDebugOb
     ds >> propCount;
 
     for (int ii = 0; ii < propCount; ++ii) {
-        QDeclarativeEngineDebugServer::QDeclarativeObjectProperty data;
+        QDeclarativeEngineDebugService::QDeclarativeObjectProperty data;
         ds >> data;
         QDeclarativeDebugPropertyReference prop;
         prop.m_objectDebugId = o.m_debugId;
@@ -243,21 +243,21 @@ void QDeclarativeEngineDebugPrivate::decode(QDataStream &ds, QDeclarativeDebugOb
         prop.m_hasNotifySignal = data.hasNotifySignal;
         prop.m_valueTypeName = data.valueTypeName;
         switch (data.type) {
-            case QDeclarativeEngineDebugServer::QDeclarativeObjectProperty::Basic:
-            case QDeclarativeEngineDebugServer::QDeclarativeObjectProperty::List:
-            case QDeclarativeEngineDebugServer::QDeclarativeObjectProperty::SignalProperty:
+            case QDeclarativeEngineDebugService::QDeclarativeObjectProperty::Basic:
+            case QDeclarativeEngineDebugService::QDeclarativeObjectProperty::List:
+            case QDeclarativeEngineDebugService::QDeclarativeObjectProperty::SignalProperty:
             {
                 prop.m_value = data.value;
                 break;
             }
-            case QDeclarativeEngineDebugServer::QDeclarativeObjectProperty::Object:
+            case QDeclarativeEngineDebugService::QDeclarativeObjectProperty::Object:
             {
                 QDeclarativeDebugObjectReference obj;
                 obj.m_debugId = prop.m_value.toInt();
                 prop.m_value = QVariant::fromValue(obj);
                 break;
             }
-            case QDeclarativeEngineDebugServer::QDeclarativeObjectProperty::Unknown:
+            case QDeclarativeEngineDebugService::QDeclarativeObjectProperty::Unknown:
                 break;
         }
         o.m_properties << prop;
diff --git a/src/declarative/debugger/qdeclarativedebug_p.h b/src/declarative/debugger/qdeclarativeenginedebug_p.h
index f822637..9b70e1c 100644
--- a/src/declarative/debugger/qdeclarativedebug_p.h
+++ b/src/declarative/debugger/qdeclarativeenginedebug_p.h
@@ -38,8 +38,8 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
-#ifndef QDECLARATIVEDEBUG_H
-#define QDECLARATIVEDEBUG_H
+#ifndef QDECLARATIVEENGINEDEBUG_H
+#define QDECLARATIVEENGINEDEBUG_H
 
 #include <QtCore/qobject.h>
 #include <QtCore/qurl.h>
@@ -384,4 +384,4 @@ Q_DECLARE_METATYPE(QDeclarativeDebugPropertyReference)
 
 QT_END_HEADER
 
-#endif // QDECLARATIVEDEBUG_H
+#endif // QDECLARATIVEENGINEDEBUG_H
diff --git a/src/declarative/qml/qdeclarativeenginedebug.cpp b/src/declarative/debugger/qdeclarativeenginedebugservice.cpp
index 8707a7f..7683733 100644
--- a/src/declarative/qml/qdeclarativeenginedebug.cpp
+++ b/src/declarative/debugger/qdeclarativeenginedebugservice.cpp
@@ -39,7 +39,7 @@
 **
 ****************************************************************************/
 
-#include "private/qdeclarativeenginedebug_p.h"
+#include "private/qdeclarativeenginedebugservice_p.h"
 
 #include "private/qdeclarativeboundsignal_p.h"
 #include "qdeclarativeengine.h"
@@ -59,14 +59,14 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_GLOBAL_STATIC(QDeclarativeEngineDebugServer, qmlEngineDebugServer);
+Q_GLOBAL_STATIC(QDeclarativeEngineDebugService, qmlEngineDebugService);
 
-QDeclarativeEngineDebugServer *QDeclarativeEngineDebugServer::instance()
+QDeclarativeEngineDebugService *QDeclarativeEngineDebugService::instance()
 {
-    return qmlEngineDebugServer();
+    return qmlEngineDebugService();
 }
 
-QDeclarativeEngineDebugServer::QDeclarativeEngineDebugServer(QObject *parent)
+QDeclarativeEngineDebugService::QDeclarativeEngineDebugService(QObject *parent)
 : QDeclarativeDebugService(QLatin1String("QDeclarativeEngine"), parent),
     m_watch(new QDeclarativeWatcher(this))
 {
@@ -75,7 +75,7 @@ QDeclarativeEngineDebugServer::QDeclarativeEngineDebugServer(QObject *parent)
 }
 
 QDataStream &operator<<(QDataStream &ds, 
-                        const QDeclarativeEngineDebugServer::QDeclarativeObjectData &data)
+                        const QDeclarativeEngineDebugService::QDeclarativeObjectData &data)
 {
     ds << data.url << data.lineNumber << data.columnNumber << data.idString
        << data.objectName << data.objectType << data.objectId << data.contextId;
@@ -83,7 +83,7 @@ QDataStream &operator<<(QDataStream &ds,
 }
 
 QDataStream &operator>>(QDataStream &ds, 
-                        QDeclarativeEngineDebugServer::QDeclarativeObjectData &data)
+                        QDeclarativeEngineDebugService::QDeclarativeObjectData &data)
 {
     ds >> data.url >> data.lineNumber >> data.columnNumber >> data.idString
        >> data.objectName >> data.objectType >> data.objectId >> data.contextId;
@@ -91,7 +91,7 @@ QDataStream &operator>>(QDataStream &ds,
 }
 
 QDataStream &operator<<(QDataStream &ds, 
-                        const QDeclarativeEngineDebugServer::QDeclarativeObjectProperty &data)
+                        const QDeclarativeEngineDebugService::QDeclarativeObjectProperty &data)
 {
     ds << (int)data.type << data.name << data.value << data.valueTypeName
        << data.binding << data.hasNotifySignal;
@@ -99,12 +99,12 @@ QDataStream &operator<<(QDataStream &ds,
 }
 
 QDataStream &operator>>(QDataStream &ds,  
-                        QDeclarativeEngineDebugServer::QDeclarativeObjectProperty &data)
+                        QDeclarativeEngineDebugService::QDeclarativeObjectProperty &data)
 {
     int type;
     ds >> type >> data.name >> data.value >> data.valueTypeName
        >> data.binding >> data.hasNotifySignal;
-    data.type = (QDeclarativeEngineDebugServer::QDeclarativeObjectProperty::Type)type;
+    data.type = (QDeclarativeEngineDebugService::QDeclarativeObjectProperty::Type)type;
     return ds;
 }
 
@@ -131,8 +131,8 @@ static bool hasValidSignal(QObject *object, const QString &propertyName)
     return true;
 }
 
-QDeclarativeEngineDebugServer::QDeclarativeObjectProperty 
-QDeclarativeEngineDebugServer::propertyData(QObject *obj, int propIdx)
+QDeclarativeEngineDebugService::QDeclarativeObjectProperty
+QDeclarativeEngineDebugService::propertyData(QObject *obj, int propIdx)
 {
     QDeclarativeObjectProperty rv;
 
@@ -164,7 +164,7 @@ QDeclarativeEngineDebugServer::propertyData(QObject *obj, int propIdx)
     return rv;
 }
 
-QVariant QDeclarativeEngineDebugServer::valueContents(const QVariant &value) const
+QVariant QDeclarativeEngineDebugService::valueContents(const QVariant &value) const
 {
     int userType = value.userType();
 
@@ -193,7 +193,7 @@ QVariant QDeclarativeEngineDebugServer::valueContents(const QVariant &value) con
     return QLatin1String("<unknown value>");
 }
 
-void QDeclarativeEngineDebugServer::buildObjectDump(QDataStream &message, 
+void QDeclarativeEngineDebugService::buildObjectDump(QDataStream &message,
                                            QObject *object, bool recur, bool dumpProperties)
 {
     message << objectData(object);
@@ -264,7 +264,7 @@ void QDeclarativeEngineDebugServer::buildObjectDump(QDataStream &message,
         message << fakeProperties[ii];
 }
 
-void QDeclarativeEngineDebugServer::prepareDeferredObjects(QObject *obj)
+void QDeclarativeEngineDebugService::prepareDeferredObjects(QObject *obj)
 {
     qmlExecuteDeferred(obj);
 
@@ -276,7 +276,7 @@ void QDeclarativeEngineDebugServer::prepareDeferredObjects(QObject *obj)
 
 }
 
-void QDeclarativeEngineDebugServer::buildObjectList(QDataStream &message, QDeclarativeContext *ctxt)
+void QDeclarativeEngineDebugService::buildObjectList(QDataStream &message, QDeclarativeContext *ctxt)
 {
     QDeclarativeContextData *p = QDeclarativeContextData::get(ctxt);
 
@@ -316,7 +316,7 @@ void QDeclarativeEngineDebugServer::buildObjectList(QDataStream &message, QDecla
     }
 }
 
-void QDeclarativeEngineDebugServer::buildStatesList(QDeclarativeContext *ctxt, bool cleanList=false)
+void QDeclarativeEngineDebugService::buildStatesList(QDeclarativeContext *ctxt, bool cleanList=false)
 {
     if (cleanList)
         m_allStates.clear();
@@ -333,7 +333,7 @@ void QDeclarativeEngineDebugServer::buildStatesList(QDeclarativeContext *ctxt, b
     }
 }
 
-void QDeclarativeEngineDebugServer::buildStatesList(QObject *obj)
+void QDeclarativeEngineDebugService::buildStatesList(QObject *obj)
 {
     if (QDeclarativeState *state = qobject_cast<QDeclarativeState *>(obj)) {
             m_allStates.append(state);
@@ -345,8 +345,8 @@ void QDeclarativeEngineDebugServer::buildStatesList(QObject *obj)
     }
 }
 
-QDeclarativeEngineDebugServer::QDeclarativeObjectData 
-QDeclarativeEngineDebugServer::objectData(QObject *object)
+QDeclarativeEngineDebugService::QDeclarativeObjectData
+QDeclarativeEngineDebugService::objectData(QObject *object)
 {
     QDeclarativeData *ddata = QDeclarativeData::get(object);
     QDeclarativeObjectData rv;
@@ -385,7 +385,7 @@ QDeclarativeEngineDebugServer::objectData(QObject *object)
     return rv;
 }
 
-void QDeclarativeEngineDebugServer::messageReceived(const QByteArray &message)
+void QDeclarativeEngineDebugService::messageReceived(const QByteArray &message)
 {
     QDataStream ds(message);
 
@@ -545,7 +545,7 @@ void QDeclarativeEngineDebugServer::messageReceived(const QByteArray &message)
     }
 }
 
-void QDeclarativeEngineDebugServer::setBinding(int objectId,
+void QDeclarativeEngineDebugService::setBinding(int objectId,
                                                const QString &propertyName,
                                                const QVariant &expression,
                                                bool isLiteralValue,
@@ -600,7 +600,7 @@ void QDeclarativeEngineDebugServer::setBinding(int objectId,
                         oldBinding->destroy();
                     binding->update();
                 } else {
-                    qWarning() << "QDeclarativeEngineDebugServer::setBinding: unable to set property" << propertyName << "on object" << object;
+                    qWarning() << "QDeclarativeEngineDebugService::setBinding: unable to set property" << propertyName << "on object" << object;
                 }
             }
 
@@ -613,13 +613,13 @@ void QDeclarativeEngineDebugServer::setBinding(int objectId,
                     propertyChanges->changeExpression(propertyName, expression.toString());
                 }
             } else {
-                qWarning() << "QDeclarativeEngineDebugServer::setBinding: unable to set property" << propertyName << "on object" << object;
+                qWarning() << "QDeclarativeEngineDebugService::setBinding: unable to set property" << propertyName << "on object" << object;
             }
         }
     }
 }
 
-void QDeclarativeEngineDebugServer::resetBinding(int objectId, const QString &propertyName)
+void QDeclarativeEngineDebugService::resetBinding(int objectId, const QString &propertyName)
 {
     QObject *object = objectForId(objectId);
     QDeclarativeContext *context = qmlContext(object);
@@ -664,7 +664,7 @@ void QDeclarativeEngineDebugServer::resetBinding(int objectId, const QString &pr
     }
 }
 
-void QDeclarativeEngineDebugServer::setMethodBody(int objectId, const QString &method, const QString &body)
+void QDeclarativeEngineDebugService::setMethodBody(int objectId, const QString &method, const QString &body)
 {
     QObject *object = objectForId(objectId);
     QDeclarativeContext *context = qmlContext(object);
@@ -703,7 +703,7 @@ void QDeclarativeEngineDebugServer::setMethodBody(int objectId, const QString &m
     vmeMetaObject->setVmeMethod(prop->coreIndex, QDeclarativeExpressionPrivate::evalInObjectScope(contextData, object, jsfunction, contextData->url.toString(), lineNumber, 0));
 }
 
-void QDeclarativeEngineDebugServer::propertyChanged(int id, int objectId, const QMetaProperty &property, const QVariant &value)
+void QDeclarativeEngineDebugService::propertyChanged(int id, int objectId, const QMetaProperty &property, const QVariant &value)
 {
     QByteArray reply;
     QDataStream rs(&reply, QIODevice::WriteOnly);
@@ -713,7 +713,7 @@ void QDeclarativeEngineDebugServer::propertyChanged(int id, int objectId, const
     sendMessage(reply);
 }
 
-void QDeclarativeEngineDebugServer::addEngine(QDeclarativeEngine *engine)
+void QDeclarativeEngineDebugService::addEngine(QDeclarativeEngine *engine)
 {
     Q_ASSERT(engine);
     Q_ASSERT(!m_engines.contains(engine));
@@ -721,7 +721,7 @@ void QDeclarativeEngineDebugServer::addEngine(QDeclarativeEngine *engine)
     m_engines.append(engine);
 }
 
-void QDeclarativeEngineDebugServer::remEngine(QDeclarativeEngine *engine)
+void QDeclarativeEngineDebugService::remEngine(QDeclarativeEngine *engine)
 {
     Q_ASSERT(engine);
     Q_ASSERT(m_engines.contains(engine));
@@ -729,7 +729,7 @@ void QDeclarativeEngineDebugServer::remEngine(QDeclarativeEngine *engine)
     m_engines.removeAll(engine);
 }
 
-void QDeclarativeEngineDebugServer::objectCreated(QDeclarativeEngine *engine, QObject *object)
+void QDeclarativeEngineDebugService::objectCreated(QDeclarativeEngine *engine, QObject *object)
 {
     Q_ASSERT(engine);
     Q_ASSERT(m_engines.contains(engine));
diff --git a/src/declarative/qml/qdeclarativeenginedebug_p.h b/src/declarative/debugger/qdeclarativeenginedebugservice_p.h
index 804a043..3674b83 100644
--- a/src/declarative/qml/qdeclarativeenginedebug_p.h
+++ b/src/declarative/debugger/qdeclarativeenginedebugservice_p.h
@@ -39,8 +39,8 @@
 **
 ****************************************************************************/
 
-#ifndef QDECLARATIVEENGINEDEBUG_P_H
-#define QDECLARATIVEENGINEDEBUG_P_H
+#ifndef QDECLARATIVEENGINEDEBUGSERVICE_P_H
+#define QDECLARATIVEENGINEDEBUGSERVICE_P_H
 
 //
 //  W A R N I N G
@@ -67,11 +67,11 @@ class QDeclarativeWatcher;
 class QDataStream;
 class QDeclarativeState;
 
-class QDeclarativeEngineDebugServer : public QDeclarativeDebugService
+class QDeclarativeEngineDebugService : public QDeclarativeDebugService
 {
     Q_OBJECT
 public:
-    QDeclarativeEngineDebugServer(QObject * = 0);
+    QDeclarativeEngineDebugService(QObject * = 0);
 
     struct QDeclarativeObjectData {
         QUrl url;
@@ -98,7 +98,7 @@ public:
     void remEngine(QDeclarativeEngine *);
     void objectCreated(QDeclarativeEngine *, QObject *);
 
-    static QDeclarativeEngineDebugServer *instance();
+    static QDeclarativeEngineDebugService *instance();
 
 protected:
     virtual void messageReceived(const QByteArray &);
@@ -123,12 +123,12 @@ private:
     QDeclarativeWatcher *m_watch;
     QList<QWeakPointer<QDeclarativeState> > m_allStates;
 };
-Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator<<(QDataStream &, const QDeclarativeEngineDebugServer::QDeclarativeObjectData &);
-Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator>>(QDataStream &, QDeclarativeEngineDebugServer::QDeclarativeObjectData &);
-Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator<<(QDataStream &, const QDeclarativeEngineDebugServer::QDeclarativeObjectProperty &);
-Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator>>(QDataStream &, QDeclarativeEngineDebugServer::QDeclarativeObjectProperty &);
+Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator<<(QDataStream &, const QDeclarativeEngineDebugService::QDeclarativeObjectData &);
+Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator>>(QDataStream &, QDeclarativeEngineDebugService::QDeclarativeObjectData &);
+Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator<<(QDataStream &, const QDeclarativeEngineDebugService::QDeclarativeObjectProperty &);
+Q_DECLARATIVE_PRIVATE_EXPORT QDataStream &operator>>(QDataStream &, QDeclarativeEngineDebugService::QDeclarativeObjectProperty &);
 
 QT_END_NAMESPACE
 
-#endif // QDECLARATIVEENGINEDEBUG_P_H
+#endif // QDECLARATIVEENGINEDEBUGSERVICE_P_H
 
diff --git a/src/declarative/qml/qdeclarative.h b/src/declarative/qml/qdeclarative.h
index 5e8d0f4..399c207 100644
--- a/src/declarative/qml/qdeclarative.h
+++ b/src/declarative/qml/qdeclarative.h
@@ -405,17 +405,6 @@ QObject *qmlAttachedPropertiesObject(const QObject *obj, bool create = true)
     return qmlAttachedPropertiesObject(&idx, obj, &T::staticMetaObject, create);
 }
 
-// Enable debugging before any QDeclarativeEngine is created
-struct Q_DECLARATIVE_EXPORT QDeclarativeDebuggingEnabler
-{
-    QDeclarativeDebuggingEnabler();
-};
-
-// Execute code in constructor before first QDeclarativeEngine is instantiated
-#if defined(QT_DECLARATIVE_DEBUG)
-static QDeclarativeDebuggingEnabler qmlEnableDebuggingHelper;
-#endif
-
 QT_END_NAMESPACE
 
 QML_DECLARE_TYPE(QObject)
diff --git a/src/declarative/qml/qdeclarativecomponent.cpp b/src/declarative/qml/qdeclarativecomponent.cpp
index d9f291b..f423f50 100644
--- a/src/declarative/qml/qdeclarativecomponent.cpp
+++ b/src/declarative/qml/qdeclarativecomponent.cpp
@@ -53,7 +53,7 @@
 #include "private/qdeclarativeglobal_p.h"
 #include "private/qdeclarativescriptparser_p.h"
 #include "private/qdeclarativedebugtrace_p.h"
-#include "private/qdeclarativeenginedebug_p.h"
+#include "private/qdeclarativeenginedebugservice_p.h"
 #include <QtScript/qscriptvalueiterator.h>
 
 #include <QStack>
@@ -896,7 +896,7 @@ QObject * QDeclarativeComponentPrivate::begin(QDeclarativeContextData *parentCon
     if (enginePriv->isDebugging && rv) {
         if  (!parentContext->isInternal)
             parentContext->asQDeclarativeContextPrivate()->instances.append(rv);
-        QDeclarativeEngineDebugServer::instance()->objectCreated(parentContext->engine, rv);
+        QDeclarativeEngineDebugService::instance()->objectCreated(parentContext->engine, rv);
     }
 
     return rv;
diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp
index 34014f7..1417b78 100644
--- a/src/declarative/qml/qdeclarativeengine.cpp
+++ b/src/declarative/qml/qdeclarativeengine.cpp
@@ -51,7 +51,7 @@
 #include "qdeclarativecomponent.h"
 #include "private/qdeclarativebinding_p_p.h"
 #include "private/qdeclarativevme_p.h"
-#include "private/qdeclarativeenginedebug_p.h"
+#include "private/qdeclarativeenginedebugservice_p.h"
 #include "private/qdeclarativestringconverters_p.h"
 #include "private/qdeclarativexmlhttprequest_p.h"
 #include "private/qdeclarativesqldatabase_p.h"
@@ -581,9 +581,9 @@ void QDeclarativeEnginePrivate::init()
     scriptEngine.globalObject().property(QLatin1String("Qt")).setProperty(QLatin1String("application"), applicationObject);
 
     if (QCoreApplication::instance()->thread() == q->thread() &&
-        QDeclarativeEngineDebugServer::isDebuggingEnabled()) {
+        QDeclarativeEngineDebugService::isDebuggingEnabled()) {
         isDebugging = true;
-        QDeclarativeEngineDebugServer::instance()->addEngine(q);
+        QDeclarativeEngineDebugService::instance()->addEngine(q);
         QJSDebugService::instance()->addEngine(q);
     }
 }
@@ -648,7 +648,7 @@ QDeclarativeEngine::~QDeclarativeEngine()
 {
     Q_D(QDeclarativeEngine);
     if (d->isDebugging) {
-        QDeclarativeEngineDebugServer::instance()->remEngine(this);
+        QDeclarativeEngineDebugService::instance()->remEngine(this);
         QJSDebugService::instance()->removeEngine(this);
     }
 }
diff --git a/src/declarative/qml/qdeclarativeengine.h b/src/declarative/qml/qdeclarativeengine.h
index 61ab2b2..4d6887f 100644
--- a/src/declarative/qml/qdeclarativeengine.h
+++ b/src/declarative/qml/qdeclarativeengine.h
@@ -47,6 +47,7 @@
 #include <QtCore/qmap.h>
 #include <QtScript/qscriptvalue.h>
 #include <QtDeclarative/qdeclarativeerror.h>
+#include <QtDeclarative/qdeclarativedebug.h>
 
 QT_BEGIN_HEADER
 
diff --git a/src/declarative/qml/qdeclarativeimport.cpp b/src/declarative/qml/qdeclarativeimport.cpp
index bf261ef..c2f0086 100644
--- a/src/declarative/qml/qdeclarativeimport.cpp
+++ b/src/declarative/qml/qdeclarativeimport.cpp
@@ -46,6 +46,7 @@
 #include <QtCore/qfileinfo.h>
 #include <QtCore/qpluginloader.h>
 #include <QtCore/qlibraryinfo.h>
+#include <QtCore/qalgorithms.h>
 #include <QtDeclarative/qdeclarativeextensioninterface.h>
 #include <private/qdeclarativeglobal_p.h>
 #include <private/qdeclarativetypenamecache_p.h>
@@ -734,8 +735,12 @@ QDeclarativeImportDatabase::QDeclarativeImportDatabase(QDeclarativeEngine *e)
         }
         RFs& fs = qt_s60GetRFs();
         TPtrC tempPathPtr(reinterpret_cast<const TText*> (tempPath.constData()));
+        // Symbian searches should start from Y:. Fix start drive otherwise TFindFile starts from the session drive
+        _LIT(KStartDir, "Y:");
+        TFileName dirPath(KStartDir);
+        dirPath.Append(tempPathPtr);
         TFindFile finder(fs);
-        TInt err = finder.FindByDir(tempPathPtr, tempPathPtr);
+        TInt err = finder.FindByDir(tempPathPtr, dirPath);
         while (err == KErrNone) {
             QString foundDir(reinterpret_cast<const QChar *>(finder.File().Ptr()),
                              finder.File().Length());
@@ -743,6 +748,9 @@ QDeclarativeImportDatabase::QDeclarativeImportDatabase(QDeclarativeEngine *e)
             addImportPath(foundDir);
             err = finder.Find();
         }
+        // TFindFile found the directories in the order we want, but addImportPath reverses it.
+        // Reverse the order again to get it right.
+        QAlgorithmsPrivate::qReverse(fileImportPath.begin(), fileImportPath.end());
     } else {
         addImportPath(installImportsPath);
     }
diff --git a/src/declarative/qml/qdeclarativenotifier_p.h b/src/declarative/qml/qdeclarativenotifier_p.h
index 5f70f7d..14a7f82 100644
--- a/src/declarative/qml/qdeclarativenotifier_p.h
+++ b/src/declarative/qml/qdeclarativenotifier_p.h
@@ -99,8 +99,15 @@ private:
 
     enum { InvalidType, SignalType, NotifierType } type;
     union {
-        char signalData[sizeof(Signal)];
-        char notifierData[sizeof(Notifier)];
+        struct {
+            Signal *signal;
+            union {
+                char signalData[sizeof(Signal)];
+                qint64 q_for_alignment_1;
+                double q_for_alignment_2;
+            };
+        } signal;
+        Notifier notifier;
     };
 
     inline Notifier *toNotifier();
@@ -194,7 +201,7 @@ void QDeclarativeNotifierEndpoint::connect(QDeclarativeNotifier *notifier)
 void QDeclarativeNotifierEndpoint::disconnect()
 {
     if (type == SignalType) {
-        Signal *s = (Signal *)&signalData;
+        Signal *s = asSignal();
         if (s->source) {
             QMetaObject::disconnectOne(s->source, s->sourceSignal, target, targetMethod);
             s->source = 0;
@@ -223,18 +230,19 @@ QDeclarativeNotifierEndpoint::Notifier *QDeclarativeNotifierEndpoint::toNotifier
         s->~Signal();
     }
 
+    type = NotifierType;
     Notifier *n = asNotifier();
     n->next = 0;
     n->prev = 0;
     n->disconnected = 0;
     n->notifier = 0;
-    type = NotifierType;
     return n;
 }
 
 QDeclarativeNotifierEndpoint::Notifier *QDeclarativeNotifierEndpoint::asNotifier() 
 { 
-    return (Notifier *)(&notifierData); 
+    Q_ASSERT(type == NotifierType);
+    return &notifier;
 }
 
 QDeclarativeNotifierEndpoint::Signal *QDeclarativeNotifierEndpoint::toSignal()
@@ -243,16 +251,15 @@ QDeclarativeNotifierEndpoint::Signal *QDeclarativeNotifierEndpoint::toSignal()
         return asSignal();
 
     disconnect();
-    Signal *s = asSignal();
-    new (s) Signal;
+    signal.signal = new (&signal.signalData) Signal;
     type = SignalType;
-
-    return s;
+    return signal.signal;
 }
 
 QDeclarativeNotifierEndpoint::Signal *QDeclarativeNotifierEndpoint::asSignal() 
 { 
-    return (Signal *)(&signalData); 
+    Q_ASSERT(type == SignalType);
+    return signal.signal;
 }
 
 QT_END_NAMESPACE
diff --git a/src/declarative/qml/qdeclarativepropertycache_p.h b/src/declarative/qml/qdeclarativepropertycache_p.h
index 581f519..c648d25 100644
--- a/src/declarative/qml/qdeclarativepropertycache_p.h
+++ b/src/declarative/qml/qdeclarativepropertycache_p.h
@@ -111,7 +111,7 @@ public:
             int relatedIndex; // When IsFunction
         };
         uint overrideIndexIsProperty : 1;
-        int overrideIndex : 31;
+        signed int overrideIndex : 31;
         int revision; 
         int metaObjectOffset;
 
diff --git a/src/declarative/qml/qml.pri b/src/declarative/qml/qml.pri
index bf9e54a..5d171bf 100644
--- a/src/declarative/qml/qml.pri
+++ b/src/declarative/qml/qml.pri
@@ -27,7 +27,6 @@ SOURCES += \
     $$PWD/qdeclarativeinfo.cpp \
     $$PWD/qdeclarativeerror.cpp \
     $$PWD/qdeclarativescriptparser.cpp \
-    $$PWD/qdeclarativeenginedebug.cpp \
     $$PWD/qdeclarativerewrite.cpp \
     $$PWD/qdeclarativevaluetype.cpp \
     $$PWD/qdeclarativecompiledbindings.cpp \
@@ -99,7 +98,6 @@ HEADERS += \
     $$PWD/qdeclarativedata_p.h \
     $$PWD/qdeclarativeerror.h \
     $$PWD/qdeclarativescriptparser_p.h \
-    $$PWD/qdeclarativeenginedebug_p.h \
     $$PWD/qdeclarativerewrite_p.h \
     $$PWD/qpodvector_p.h \
     $$PWD/qbitfield_p.h \
diff --git a/src/declarative/util/qdeclarativeview.h b/src/declarative/util/qdeclarativeview.h
index b3854fc..ef51934 100644
--- a/src/declarative/util/qdeclarativeview.h
+++ b/src/declarative/util/qdeclarativeview.h
@@ -47,6 +47,7 @@
 #include <QtGui/qgraphicssceneevent.h>
 #include <QtGui/qgraphicsview.h>
 #include <QtGui/qwidget.h>
+#include <QtDeclarative/qdeclarativedebug.h>
 
 QT_BEGIN_HEADER
 
diff --git a/src/gui/dialogs/qfiledialog_win.cpp b/src/gui/dialogs/qfiledialog_win.cpp
index de8e33d..6691ff1 100644
--- a/src/gui/dialogs/qfiledialog_win.cpp
+++ b/src/gui/dialogs/qfiledialog_win.cpp
@@ -670,7 +670,7 @@ QStringList qt_win_get_open_file_names(const QFileDialogArgs &args,
     // GetOpenFileName() will return only one folder name for all the files. To retrieve
     // the correct path for all selected files, we have to use Common Item Dialog interfaces.
 #ifndef Q_WS_WINCE
-    if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
+    if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))
         return qt_win_CID_get_open_file_names(args, initialDirectory, filterLst, selectedFilter, idx);
 #endif
 
@@ -757,7 +757,7 @@ static int __stdcall winGetExistDirCallbackProc(HWND hwnd,
 QString qt_win_get_existing_directory(const QFileDialogArgs &args)
 {
 #ifndef Q_WS_WINCE
-    if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
+    if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))
         return qt_win_CID_get_existing_directory(args);
 #endif
 
diff --git a/src/gui/dialogs/qmessagebox.cpp b/src/gui/dialogs/qmessagebox.cpp
index 66e7216..149e267 100644
--- a/src/gui/dialogs/qmessagebox.cpp
+++ b/src/gui/dialogs/qmessagebox.cpp
@@ -548,8 +548,8 @@ void QMessageBoxPrivate::_q_buttonClicked(QAbstractButton *button)
     \snippet doc/src/snippets/code/src_gui_dialogs_qmessagebox.cpp 6
 
     This is the approach recommended in the
-    \l{http://developer.apple.com/documentation/UserExperience/Conceptual/AppleHIGuidelines/XHIGWindows/chapter_18_section_7.html}
-    {Mac OS X Guidlines}. Similar guidlines apply for the other
+    \l{http://developer.apple.com/library/mac/documentation/UserExperience/Conceptual/AppleHIGuidelines/Windows/Windows.html#//apple_ref/doc/uid/20000961-BABCAJID}
+    {Mac OS X Guidelines}. Similar guidelines apply for the other
     platforms, but note the different ways the
     \l{QMessageBox::informativeText} {informative text} is handled for
     different platforms.
diff --git a/src/gui/dialogs/qwizard.cpp b/src/gui/dialogs/qwizard.cpp
index 83bdaa0..9f8d526 100644
--- a/src/gui/dialogs/qwizard.cpp
+++ b/src/gui/dialogs/qwizard.cpp
@@ -572,8 +572,7 @@ public:
 #endif
         }
 #if !defined(QT_NO_STYLE_WINDOWSVISTA)
-        if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA
-            && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
+        if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))
             vistaInitPending = true;
 #endif
     }
diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index 2a37d45..6fe1c8c 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -684,6 +684,37 @@ EGLSurface QEgl::createSurface(QPaintDevice *device, EGLConfig cfg, const QEglPr
     else
         props = 0;
     EGLSurface surf;
+#ifdef Q_OS_SYMBIAN
+    // On Symbian there might be situations (especially on 32MB GPU devices)
+    // where Qt is trying to create EGL surface while some other application
+    // is still holding all available GPU memory but is about to release it
+    // soon. For an example when exiting native video recorder and going back to
+    // Qt application behind it. Video stack tear down takes some time and Qt
+    // app might be too quick in reserving its EGL surface and thus running out
+    // of GPU memory right away. So if EGL surface creation fails due to bad
+    // alloc, let's try recreating it four times within ~1 second if needed.
+    // This strategy gives some time for video recorder to tear down its stack
+    // and a chance to Qt for creating a valid surface.
+    int tries = 4;
+    while(tries--) {
+        if (devType == QInternal::Widget)
+            surf = eglCreateWindowSurface(QEgl::display(), cfg, windowDrawable, props);
+        else
+            surf = eglCreatePixmapSurface(QEgl::display(), cfg, pixmapDrawable, props);
+        if (surf == EGL_NO_SURFACE) {
+            EGLint error = eglGetError();
+            if (error == EGL_BAD_ALLOC) {
+                if (tries) {
+                    User::After(1000 * 250); // 250ms
+                    continue;
+                }
+            }
+            qWarning("QEglContext::createSurface(): Unable to create EGL surface, error = 0x%x", error);
+        } else {
+            break;
+        }
+    }
+#else
     if (devType == QInternal::Widget)
         surf = eglCreateWindowSurface(QEgl::display(), cfg, windowDrawable, props);
     else
@@ -691,6 +722,7 @@ EGLSurface QEgl::createSurface(QPaintDevice *device, EGLConfig cfg, const QEglPr
     if (surf == EGL_NO_SURFACE) {
         qWarning("QEglContext::createSurface(): Unable to create EGL surface, error = 0x%x", eglGetError());
     }
+#endif
     return surf;
 }
 #endif
diff --git a/src/gui/image/qnativeimage.cpp b/src/gui/image/qnativeimage.cpp
index aebcbaf..e1382dd 100644
--- a/src/gui/image/qnativeimage.cpp
+++ b/src/gui/image/qnativeimage.cpp
@@ -153,7 +153,12 @@ QImage::Format QNativeImage::systemFormat()
 QNativeImage::QNativeImage(int width, int height, QImage::Format format,bool /* isTextBuffer */, QWidget *widget)
     : xshmimg(0), xshmpm(0)
 {
-    if (!X11->use_mitshm) {
+    QX11Info info = widget->x11Info();
+
+    int dd = info.depth();
+    Visual *vis = (Visual*) info.visual();
+
+    if (!X11->use_mitshm || format != QImage::Format_RGB16 && X11->bppForDepth.value(dd) != 32) {
         image = QImage(width, height, format);
         // follow good coding practice and set xshminfo attributes, though values not used in this case
         xshminfo.readOnly = true;
@@ -163,11 +168,6 @@ QNativeImage::QNativeImage(int width, int height, QImage::Format format,bool /*
         return;
     }
 
-    QX11Info info = widget->x11Info();
-
-    int dd = info.depth();
-    Visual *vis = (Visual*) info.visual();
-
     xshmimg = XShmCreateImage(X11->display, vis, dd, ZPixmap, 0, &xshminfo, width, height);
     if (!xshmimg) {
         qWarning("QNativeImage: Unable to create shared XImage.");
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 77c2a2a..0e1401c 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -897,12 +897,20 @@ void QX11PixmapData::fromImage(const QImage &img,
                     }
                     )
                     break;
-            case BPP24_888:                        // 24 bit MSB
+            case BPP24_888:
                 CYCLE(
-                    for (int x=0; x<w; x++) {
-                        *dst++ = qRed  (*p);
-                        *dst++ = qGreen(*p);
-                        *dst++ = qBlue (*p++);
+                    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+                        for (int x=0; x<w; x++) {
+                            *dst++ = qRed  (*p);
+                            *dst++ = qGreen(*p);
+                            *dst++ = qBlue (*p++);
+                        }
+                    } else {
+                        for (int x=0; x<w; x++) {
+                            *dst++ = qBlue (*p);
+                            *dst++ = qGreen(*p);
+                            *dst++ = qRed  (*p++);
+                        }
                     }
                     )
                     break;
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 756cb56..c472738 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -682,7 +682,7 @@ void QApplicationPrivate::initializeWidgetPaletteHash()
     QColor menuText(qt_colorref2qrgb(GetSysColor(COLOR_MENUTEXT)));
     BOOL isFlat = false;
     if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-        && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
         SystemParametersInfo(SPI_GETFLATMENU, 0, &isFlat, 0);
     QPalette menu(pal);
     // we might need a special color group for the menu.
@@ -697,7 +697,7 @@ void QApplicationPrivate::initializeWidgetPaletteHash()
     menu.setColor(QPalette::Disabled, QPalette::Highlight,
                     QColor(qt_colorref2qrgb(GetSysColor(
                                             (QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-                                            && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
+                                            && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))
                                             && isFlat ? COLOR_MENUHILIGHT : COLOR_HIGHLIGHT))));
     menu.setColor(QPalette::Disabled, QPalette::HighlightedText, disabled);
     menu.setColor(QPalette::Disabled, QPalette::Button,
@@ -719,7 +719,7 @@ void QApplicationPrivate::initializeWidgetPaletteHash()
     QApplication::setPalette(menu, "QMenu");
 
     if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-        && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based) && isFlat) {
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) && isFlat) {
         QColor menubar(qt_colorref2qrgb(GetSysColor(COLOR_MENUBAR)));
         menu.setColor(QPalette::Active, QPalette::Button, menubar);
         menu.setColor(QPalette::Disabled, QPalette::Button, menubar);
@@ -999,7 +999,7 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
         style = CS_DBLCLKS;
         if (w->inherits("QTipLabel") || w->inherits("QAlphaWidget")) {
             if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-                && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) {
+                && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))) {
                 style |= CS_DROPSHADOW;
             }
             cname = QLatin1String("QToolTip");
@@ -1017,7 +1017,7 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
         style |= CS_SAVEBITS;
 #endif
         if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-            && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+            && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
             style |= CS_DROPSHADOW;
         icon = false;
     } else {
@@ -4161,7 +4161,8 @@ PtrCloseTouchInputHandle QApplicationPrivate::CloseTouchInputHandle = 0;
 
 void QApplicationPrivate::initializeMultitouch_sys()
 {
-    if (QSysInfo::windowsVersion() >= QSysInfo::WV_WINDOWS7) {
+    if (QSysInfo::windowsVersion() >= QSysInfo::WV_WINDOWS7
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) {
         static const int QT_SM_DIGITIZER = 94;
         int value = GetSystemMetrics(QT_SM_DIGITIZER);
         static const int QT_NID_INTEGRATED_TOUCH = 0x01;
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index ef8e2b8..408e9ac 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -1896,6 +1896,12 @@ void qt_init(QApplicationPrivate *priv, int,
         X11->defaultScreen = DefaultScreen(X11->display);
         X11->screenCount = ScreenCount(X11->display);
 
+        int formatCount = 0;
+        XPixmapFormatValues *values = XListPixmapFormats(X11->display, &formatCount);
+        for (int i = 0; i < formatCount; ++i)
+            X11->bppForDepth[values[i].depth] = values[i].bits_per_pixel;
+        XFree(values);
+
         X11->screens = new QX11InfoData[X11->screenCount];
         X11->argbVisuals = new Visual *[X11->screenCount];
         X11->argbColormaps = new Colormap[X11->screenCount];
diff --git a/src/gui/kernel/qcursor_win.cpp b/src/gui/kernel/qcursor_win.cpp
index cef83f5..a68472c 100644
--- a/src/gui/kernel/qcursor_win.cpp
+++ b/src/gui/kernel/qcursor_win.cpp
@@ -477,7 +477,7 @@ void QCursorData::update()
         QPixmap pixmap = QApplicationPrivate::instance()->getPixmapCursor(cshape);
         hcurs = create32BitCursor(pixmap, hx, hy);
     }
-        break;
+        return;
     default:
         qWarning("QCursor::update: Invalid cursor shape %d", cshape);
         return;
diff --git a/src/gui/kernel/qguiplatformplugin.cpp b/src/gui/kernel/qguiplatformplugin.cpp
index 708859d..04fd111 100644
--- a/src/gui/kernel/qguiplatformplugin.cpp
+++ b/src/gui/kernel/qguiplatformplugin.cpp
@@ -137,10 +137,10 @@ QString QGuiPlatformPlugin::styleName()
         return QLatin1String("WindowsCE");
 #elif defined(Q_WS_WIN)
     if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA
-        && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
         return QLatin1String("WindowsVista");
     else if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-        && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
         return QLatin1String("WindowsXP");
     else
         return QLatin1String("Windows");                // default styles for Windows
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 9caa37e..cd3450e 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -61,7 +61,7 @@ QString QSoftKeyManager::standardSoftKeyText(StandardSoftKey standardKey)
     QString softKeyText;
     switch (standardKey) {
     case OkSoftKey:
-        softKeyText = QSoftKeyManager::tr("Ok");
+        softKeyText = QSoftKeyManager::tr("OK");
         break;
     case SelectSoftKey:
         softKeyText = QSoftKeyManager::tr("Select");
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index 72acaf3..fe4a631 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -54,6 +54,7 @@
 //
 
 #include "QtGui/qwindowdefs.h"
+#include "QtCore/qhash.h"
 #include "QtCore/qlist.h"
 #include "QtCore/qvariant.h"
 
@@ -467,6 +468,7 @@ struct QX11Data
     Colormap *argbColormaps;
     int screenCount;
     int defaultScreen;
+    QHash<int, int> bppForDepth;
 
     Time time;
     Time userTime;
diff --git a/src/gui/kernel/qwhatsthis.cpp b/src/gui/kernel/qwhatsthis.cpp
index 5328cb1..da79250 100644
--- a/src/gui/kernel/qwhatsthis.cpp
+++ b/src/gui/kernel/qwhatsthis.cpp
@@ -227,7 +227,7 @@ QWhatsThat::QWhatsThat(const QString& txt, QWidget* parent, QWidget *showTextFor
     }
 #if defined(Q_WS_WIN)
     if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-        && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
     {
         BOOL shadow;
         SystemParametersInfo(SPI_GETDROPSHADOW, 0, &shadow, 0);
@@ -305,7 +305,7 @@ void QWhatsThat::paintEvent(QPaintEvent*)
     bool drawShadow = true;
 #if defined(Q_WS_WIN)
     if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
-        && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
     {
         BOOL shadow;
         SystemParametersInfo(SPI_GETDROPSHADOW, 0, &shadow, 0);
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index e015f5f..7055c6b 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -2260,10 +2260,16 @@ void QWidgetPrivate::updateIsOpaque()
 #endif
 
 #ifdef Q_WS_S60
-    if (q->windowType() == Qt::Dialog && q->testAttribute(Qt::WA_TranslucentBackground)
-                && S60->avkonComponentsSupportTransparency) {
-        setOpaque(false);
-        return;
+    if (q->testAttribute(Qt::WA_TranslucentBackground)) {
+        if (q->windowType() & Qt::Dialog || q->windowType() & Qt::Popup) {
+            if (S60->avkonComponentsSupportTransparency) {
+                setOpaque(false);
+                return;
+            }
+        } else {
+            setOpaque(false);
+            return;
+        }
     }
 #endif
 
@@ -2283,11 +2289,16 @@ void QWidgetPrivate::updateIsOpaque()
     }
 
     if (q->isWindow() && !q->testAttribute(Qt::WA_NoSystemBackground)) {
+#ifdef Q_WS_S60
+        setOpaque(true);
+        return;
+#else
         const QBrush &windowBrush = q->palette().brush(QPalette::Window);
         if (windowBrush.style() != Qt::NoBrush && windowBrush.isOpaque()) {
             setOpaque(true);
             return;
         }
+#endif
     }
     setOpaque(false);
 }
@@ -10948,11 +10959,14 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
         }
         break;
     case Qt::WA_TranslucentBackground:
+#if defined(Q_OS_SYMBIAN)
+        setAttribute(Qt::WA_NoSystemBackground, on);
+#else
         if (on) {
             setAttribute(Qt::WA_NoSystemBackground);
             d->updateIsTranslucent();
         }
-
+#endif
         break;
     case Qt::WA_AcceptTouchEvents:
 #if defined(Q_WS_WIN) || defined(Q_WS_MAC) || defined(Q_OS_SYMBIAN)
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index aefffb6..9ac9479 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -233,6 +233,7 @@ struct QTLWExtra {
     uint inExpose : 1; // Prevents drawing recursion
     uint nativeWindowTransparencyEnabled : 1; // Tracks native window transparency
     uint forcedToRaster : 1;
+    uint noSystemRotationDisabled : 1;
 #elif defined(Q_WS_QPA)
     QPlatformWindow *platformWindow;
     QPlatformWindowFormat platformWindowFormat;
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index e06b625..00661ae 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -804,19 +804,12 @@ void QWidgetPrivate::setConstraints_sys()
 void QWidgetPrivate::s60UpdateIsOpaque()
 {
     Q_Q(QWidget);
-
     if (!q->testAttribute(Qt::WA_WState_Created))
         return;
-
     const bool writeAlpha = extraData()->nativePaintMode == QWExtra::BlitWriteAlpha;
-    if (!q->testAttribute(Qt::WA_TranslucentBackground) && !writeAlpha)
-        return;
     const bool requireAlphaChannel = !isOpaque || writeAlpha;
-
     createTLExtra();
-
     RWindow *const window = static_cast<RWindow *>(q->effectiveWinId()->DrawableWindow());
-
 #ifdef Q_SYMBIAN_SEMITRANSPARENT_BG_SURFACE
     if (QApplicationPrivate::instance()->useTranslucentEGLSurfaces
             && !extra->topextra->forcedToRaster) {
@@ -825,25 +818,47 @@ void QWidgetPrivate::s60UpdateIsOpaque()
         return;
     }
 #endif
+    const bool recreateBackingStore = extra->topextra->backingStore.data() && (
+                                          QApplicationPrivate::graphics_system_name == QLatin1String("openvg") ||
+                                          QApplicationPrivate::graphics_system_name == QLatin1String("opengl")
+                                      );
     if (requireAlphaChannel) {
-        const TDisplayMode displayMode = static_cast<TDisplayMode>(window->SetRequiredDisplayMode(EColor16MA));
-        if (window->SetTransparencyAlphaChannel() == KErrNone) {
+        window->SetRequiredDisplayMode(EColor16MA);
+        if (window->SetTransparencyAlphaChannel() == KErrNone)
             window->SetBackgroundColor(TRgb(255, 255, 255, 0));
-            extra->topextra->nativeWindowTransparencyEnabled = 1;
-            if (extra->topextra->backingStore.data() && (
-                    QApplicationPrivate::graphics_system_name == QLatin1String("openvg")
-                    || QApplicationPrivate::graphics_system_name == QLatin1String("opengl"))) {
-                // Semi-transparent EGL surfaces aren't supported. We need to
-                // recreate backing store to get translucent surface (raster surface).
-                extra->topextra->backingStore.create(q);
-                extra->topextra->backingStore.registerWidget(q);
-                // FixNativeOrientation() will not work without an EGL surface.
+    } else {
+        if (recreateBackingStore) {
+            // Clear the UI surface to ensure that the EGL surface content is visible
+            CWsScreenDevice *screenDevice = S60->screenDevice(q);
+            QScopedPointer<CWindowGc> gc(new CWindowGc(screenDevice));
+            const int err = gc->Construct();
+            if (!err) {
+                gc->Activate(*window);
+                window->BeginRedraw();
+                gc->SetDrawMode(CWindowGc::EDrawModeWriteAlpha);
+                gc->SetBrushColor(TRgb(0, 0, 0, 0));
+                gc->Clear(TRect(0, 0, q->width(), q->height()));
+                window->EndRedraw();
+            }
+        }
+        if (extra->topextra->nativeWindowTransparencyEnabled)
+            window->SetTransparentRegion(TRegionFix<1>());
+    }
+    extra->topextra->nativeWindowTransparencyEnabled = requireAlphaChannel;
+    if (recreateBackingStore) {
+        extra->topextra->backingStore.create(q);
+        extra->topextra->backingStore.registerWidget(q);
+        bool noSystemRotationDisabled = false;
+        if (requireAlphaChannel) {
+            if (q->testAttribute(Qt::WA_SymbianNoSystemRotation)) {
+                // FixNativeOrientation() will not work without an EGL surface
                 q->setAttribute(Qt::WA_SymbianNoSystemRotation, false);
+                noSystemRotationDisabled = true;
             }
+        } else {
+            q->setAttribute(Qt::WA_SymbianNoSystemRotation, extra->topextra->noSystemRotationDisabled);
         }
-    } else if (extra->topextra->nativeWindowTransparencyEnabled) {
-        window->SetTransparentRegion(TRegionFix<1>());
-        extra->topextra->nativeWindowTransparencyEnabled = 0;
+        extra->topextra->noSystemRotationDisabled = noSystemRotationDisabled;
     }
 }
 
@@ -1004,6 +1019,7 @@ void QWidgetPrivate::createTLSysExtra()
     extra->topextra->inExpose = 0;
     extra->topextra->nativeWindowTransparencyEnabled = 0;
     extra->topextra->forcedToRaster = 0;
+    extra->topextra->noSystemRotationDisabled = 0;
 }
 
 void QWidgetPrivate::deleteTLSysExtra()
diff --git a/src/gui/painting/qgraphicssystemex_symbian.cpp b/src/gui/painting/qgraphicssystemex_symbian.cpp
index 4469704..32e040f 100644
--- a/src/gui/painting/qgraphicssystemex_symbian.cpp
+++ b/src/gui/painting/qgraphicssystemex_symbian.cpp
@@ -46,31 +46,108 @@
 
 #include <e32property.h>
 
+#ifdef Q_SYMBIAN_SUPPORTS_SURFACES
+#include "private/qegl_p.h"
+#endif
+
 QT_BEGIN_NAMESPACE
 
 static bool bcm2727Initialized = false;
 static bool bcm2727 = false;
 
+#ifdef Q_SYMBIAN_SUPPORTS_SURFACES
+typedef EGLBoolean (*NOK_resource_profiling)(EGLDisplay, EGLint, EGLint*, EGLint, EGLint*);
+#define EGL_PROF_TOTAL_MEMORY_NOK 0x3070
+#endif
+
+// Detect if Qt is running on BCM2727 chip.
+// BCM2727 is a special case on Symbian because
+// it has only 32MB GPU memory which exposes
+// significant limitations to hw accelerated UI.
 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)
+#ifdef Q_SYMBIAN_SUPPORTS_SURFACES
+    EGLDisplay display = QEgl::display();
+#if 1
+    // Hacky but fast ~0ms.
+    const char* vendor = eglQueryString(display, EGL_VENDOR);
+    if (strstr(vendor, "Broadcom")) {
+        const TUid KIvePropertyCat = {0x2726beef};
+        enum TIvePropertyChipType {
+            EVCBCM2727B1 = 0x00000000,
+            EVCBCM2763A0 = 0x04000100,
+            EVCBCM2763B0 = 0x04000102,
+            EVCBCM2763C0 = 0x04000103,
+            EVCBCM2763C1 = 0x04000104,
+            EVCBCMUnknown = 0x7fffffff
+        };
+
+        // Broadcom driver publishes KIvePropertyCat PS key on
+        // devices which are running on BCM2727 chip and post Anna Symbian.
+        TInt chipType = EVCBCMUnknown;
+        if (RProperty::Get(KIvePropertyCat, 0, chipType) == KErrNone) {
+            if (chipType == EVCBCM2727B1)
+                bcm2727 = true;
+        } else if (QSysInfo::symbianVersion() <= QSysInfo::SV_SF_3) {
+            // Device is running on Symbian Anna or older Symbian^3 in which
+            // KIvePropertyCat is not published. These ones are always 32MB devices.
+            bcm2727 = true;
+        } else {
+            // We have some other Broadcom chip on post Anna Symbian.
+            // Should have > 32MB GPU memory.
+        }
+    }
+#else
+    // Fool proof but takes 15-20ms and we don't want this delay on app startup...
+
+    // All devices with <= 32MB GPU memory should be
+    // dealed in similar manner to BCM2727
+    // So let's query max GPU memory amount.
+    NOK_resource_profiling eglQueryProfilingData = (NOK_resource_profiling)eglGetProcAddress("eglQueryProfilingDataNOK");
+    if (eglQueryProfilingData) {
+        EGLint dataCount;
+        eglQueryProfilingData(display,
+                               EGL_PROF_QUERY_GLOBAL_BIT_NOK |
+                               EGL_PROF_QUERY_MEMORY_USAGE_BIT_NOK,
+                               NULL,
+                               0,
+                               (EGLint*)&dataCount);
+
+        // Allocate room for the profiling data
+        EGLint* profData = (EGLint*)malloc(dataCount * sizeof(EGLint));
+        memset(profData,0,dataCount * sizeof(EGLint));
+
+        // Retrieve the profiling data
+        eglQueryProfilingData(display,
+                              EGL_PROF_QUERY_GLOBAL_BIT_NOK |
+                              EGL_PROF_QUERY_MEMORY_USAGE_BIT_NOK,
+                              profData,
+                              dataCount,
+                              (EGLint*)&dataCount);
+
+        int totalMemory;
+        EGLint i = 0;
+        while (profData && i < dataCount) {
+            switch (profData[i++]) {
+                case EGL_PROF_TOTAL_MEMORY_NOK:
+                    totalMemory = profData[i++];
+                    break;
+                default:
+                    i++;
+            }
+        }
+
+        // ok, hasBCM2727() naming is a bit misleading but Qt must
+        // behave the same on all chips like BCM2727 (<= 32MB GPU memory)
+        // and our code (and others) are already using this function.
+        if (totalMemory <= 33554432)
             bcm2727 = true;
     }
+#endif
+#endif // Q_SYMBIAN_SUPPORTS_SURFACES
 
     bcm2727Initialized = true;
 
@@ -80,7 +157,9 @@ bool QSymbianGraphicsSystemEx::hasBCM2727()
 void QSymbianGraphicsSystemEx::releaseCachedGpuResources()
 {
     // Do nothing here
-    // This is implemented in graphics system specific plugin
+
+    // This virtual function should be implemented in graphics system specific
+    // plugin
 }
 
 void QSymbianGraphicsSystemEx::releaseAllGpuResources()
diff --git a/src/gui/painting/qwindowsurface_raster.cpp b/src/gui/painting/qwindowsurface_raster.cpp
index 15ff044..2a25bff 100644
--- a/src/gui/painting/qwindowsurface_raster.cpp
+++ b/src/gui/painting/qwindowsurface_raster.cpp
@@ -254,8 +254,9 @@ void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoi
     } else
 #endif
     {
+        int depth = widget->x11Info().depth();
         const QImage &src = d->image->image;
-        if (src.format() != QImage::Format_RGB32 || widget->x11Info().depth() < 24) {
+        if (src.format() != QImage::Format_RGB32 || depth < 24 || X11->bppForDepth.value(depth) != 32) {
             Q_ASSERT(src.depth() >= 16);
             const QImage sub_src(src.scanLine(br.y()) + br.x() * (uint(src.depth()) / 8),
                                  br.width(), br.height(), src.bytesPerLine(), src.format());
@@ -267,7 +268,7 @@ void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoi
         } else {
             // qpaintengine_x11.cpp
             extern void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, Drawable hd, GC gc, Display *dpy, Visual *visual, int depth);
-            qt_x11_drawImage(br, wpos, src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), widget->x11Info().depth());
+            qt_x11_drawImage(br, wpos, src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), depth);
         }
     }
 
diff --git a/src/gui/styles/qstylefactory.cpp b/src/gui/styles/qstylefactory.cpp
index 83b6748..de693db 100644
--- a/src/gui/styles/qstylefactory.cpp
+++ b/src/gui/styles/qstylefactory.cpp
@@ -225,12 +225,12 @@ QStringList QStyleFactory::keys()
 #endif
 #ifndef QT_NO_STYLE_WINDOWSXP
     if (!list.contains(QLatin1String("WindowsXP")) &&
-        (QSysInfo::WindowsVersion >= QSysInfo::WV_XP && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+        (QSysInfo::WindowsVersion >= QSysInfo::WV_XP && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
         list << QLatin1String("WindowsXP");
 #endif
 #ifndef QT_NO_STYLE_WINDOWSVISTA
     if (!list.contains(QLatin1String("WindowsVista")) &&
-        (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
+        (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)))
         list << QLatin1String("WindowsVista");
 #endif
 #ifndef QT_NO_STYLE_MOTIF
diff --git a/src/gui/styles/qwindowsstyle.cpp b/src/gui/styles/qwindowsstyle.cpp
index 9732c7e..342c4c6 100644
--- a/src/gui/styles/qwindowsstyle.cpp
+++ b/src/gui/styles/qwindowsstyle.cpp
@@ -125,7 +125,7 @@ QWindowsStylePrivate::QWindowsStylePrivate()
 {
 #if defined(Q_WS_WIN) && !defined(Q_OS_WINCE)
     if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA
-        && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) {
+        && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))) {
         QSystemLibrary shellLib(QLatin1String("shell32"));
         pSHGetStockIconInfo = (PtrSHGetStockIconInfo)shellLib.resolve("SHGetStockIconInfo");
     }
@@ -1058,7 +1058,7 @@ QPixmap QWindowsStyle::standardPixmap(StandardPixmap standardPixmap, const QStyl
     case SP_VistaShield:
         {
             if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA
-                && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based
+                && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)
                 && pSHGetStockIconInfo)
             {
                 QPixmap pixmap;
@@ -1200,7 +1200,7 @@ int QWindowsStyle::styleHint(StyleHint hint, const QStyleOption *opt, const QWid
     case SH_LineEdit_PasswordCharacter:
         {
 #ifdef Q_WS_WIN
-            if (widget && (QSysInfo::WindowsVersion >= QSysInfo::WV_XP && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) {
+            if (widget && (QSysInfo::WindowsVersion >= QSysInfo::WV_XP && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))) {
                 const QFontMetrics &fm = widget->fontMetrics();
                 if (fm.inFont(QChar(0x25CF)))
                     ret = 0x25CF;
@@ -3362,7 +3362,7 @@ QIcon QWindowsStyle::standardIconImplementation(StandardPixmap standardIcon, con
     case SP_VistaShield:
         {
             if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA
-                && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based
+                && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)
                 && pSHGetStockIconInfo)
             {
                 icon.addPixmap(proxy()->standardPixmap(SP_VistaShield, option, widget)); //fetches small icon
diff --git a/src/gui/styles/qwindowsvistastyle.cpp b/src/gui/styles/qwindowsvistastyle.cpp
index b894eb4..997d429 100644
--- a/src/gui/styles/qwindowsvistastyle.cpp
+++ b/src/gui/styles/qwindowsvistastyle.cpp
@@ -140,7 +140,7 @@ bool QWindowsVistaStylePrivate::useVista()
 {
     return (QWindowsVistaStylePrivate::useXP() &&
             (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA &&
-             QSysInfo::WindowsVersion < QSysInfo::WV_NT_based));
+             (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)));
 }
 
 /*!
diff --git a/src/gui/styles/qwindowsxpstyle.cpp b/src/gui/styles/qwindowsxpstyle.cpp
index 3c33df3..343f262 100644
--- a/src/gui/styles/qwindowsxpstyle.cpp
+++ b/src/gui/styles/qwindowsxpstyle.cpp
@@ -791,7 +791,7 @@ void QWindowsXPStylePrivate::drawBackgroundThruNativeBuffer(XPThemeData &themeDa
         inspectData = (tmt_transparentcolor != 0 || tmt_borderonly || proporigin == PO_PART || proporigin == PO_STATE);
 
         // ### This is a vista-specific workaround for broken alpha in titlebar pixmaps
-        if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) {
+        if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based))) {
             if (themeData.partId == WP_CAPTION || themeData.partId == WP_SMALLCAPTION)
                 inspectData = false;
         }
diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp
index e20aa25..d00a048 100644
--- a/src/gui/text/qfontengine_ft.cpp
+++ b/src/gui/text/qfontengine_ft.cpp
@@ -801,7 +801,7 @@ 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) || set->outline_drawing)
+    if (default_hint_style == HintNone || (flags & HB_ShaperFlag_UseDesignMetrics) || (set && set->outline_drawing))
         load_flags |= FT_LOAD_NO_HINTING;
     else
         load_flags |= load_target;
diff --git a/src/gui/widgets/qdialogbuttonbox.cpp b/src/gui/widgets/qdialogbuttonbox.cpp
index 6c29141..e6842b3 100644
--- a/src/gui/widgets/qdialogbuttonbox.cpp
+++ b/src/gui/widgets/qdialogbuttonbox.cpp
@@ -94,6 +94,7 @@ QT_BEGIN_NAMESPACE
     specifying their role.
 
     \snippet examples/dialogs/extension/finddialog.cpp 1
+    \snippet examples/dialogs/extension/finddialog.cpp 6
 
     Alternatively, QDialogButtonBox provides several standard buttons (e.g. OK, Cancel, Save)
     that you can use. They exist as flags so you can OR them together in the constructor.
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index d58da37..0af2e59 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -445,6 +445,8 @@ void QLineControl::moveCursor(int pos, bool mark)
 void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
 {
     int priorState = 0;
+    int originalSelectionStart = m_selstart;
+    int originalSelectionEnd = m_selend;
     bool isGettingInput = !event->commitString().isEmpty()
             || event->preeditString() != preeditAreaText()
             || event->replacementLength() > 0;
@@ -523,6 +525,8 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
     }
     m_textLayout.setAdditionalFormats(formats);
     updateDisplayText(/*force*/ true);
+    if (originalSelectionStart != m_selstart || originalSelectionEnd != m_selend)
+        emit selectionChanged();
     if (cursorPositionChanged)
         emitCursorPositionChanged();
     else if (m_preeditCursor != oldPreeditCursor)
diff --git a/src/gui/widgets/qtoolbar.cpp b/src/gui/widgets/qtoolbar.cpp
index e0e8ce6..c7ae73f 100644
--- a/src/gui/widgets/qtoolbar.cpp
+++ b/src/gui/widgets/qtoolbar.cpp
@@ -440,7 +440,7 @@ void QToolBarPrivate::plug(const QRect &r)
     pop up a menu containing the items that does not currently fit in
     the toolbar.
 
-    When a QToolBar is not a child of a QMainWindow, it looses the ability
+    When a QToolBar is not a child of a QMainWindow, it loses the ability
     to populate the extension pop up with widgets added to the toolbar using
     addWidget(). Please use widget actions created by inheriting QWidgetAction
     and implementing QWidgetAction::createWidget() instead.
diff --git a/src/network/access/qnetworkaccessbackend_p.h b/src/network/access/qnetworkaccessbackend_p.h
index ff05306..7f6aff9 100644
--- a/src/network/access/qnetworkaccessbackend_p.h
+++ b/src/network/access/qnetworkaccessbackend_p.h
@@ -110,9 +110,7 @@ public:
     //   socket).
 
     virtual void open() = 0;
-#ifndef QT_NO_BEARERMANAGEMENT
     virtual bool start();
-#endif
     virtual void closeDownstreamChannel() = 0;
 
     // slot-like:
diff --git a/src/network/access/qnetworkcookie.cpp b/src/network/access/qnetworkcookie.cpp
index 0670738..a9bb318 100644
--- a/src/network/access/qnetworkcookie.cpp
+++ b/src/network/access/qnetworkcookie.cpp
@@ -372,7 +372,7 @@ static QPair<QByteArray, QByteArray> nextField(const QByteArray &text, int &posi
     // parse the first part, before the equal sign
     for (i = position; i < length; ++i) {
         register char c = text.at(i);
-        if (c == ';' || c == ',' || c == '=')
+        if (c == ';' || c == '=')
             break;
     }
 
@@ -423,7 +423,7 @@ static QPair<QByteArray, QByteArray> nextField(const QByteArray &text, int &posi
 
         for ( ; i < length; ++i) {
             register char c = text.at(i);
-            if (c == ',' || c == ';')
+            if (c == ';')
                 break;
         }
         position = i;
@@ -434,7 +434,7 @@ static QPair<QByteArray, QByteArray> nextField(const QByteArray &text, int &posi
             register char c = text.at(i);
             // for name value pairs, we want to parse until reaching the next ';'
             // and not break when reaching a space char
-            if (c == ',' || c == ';' || ((isNameValue && (c == '\n' || c == '\r')) || (!isNameValue && isLWS(c))))
+            if (c == ';' || ((isNameValue && (c == '\n' || c == '\r')) || (!isNameValue && isLWS(c))))
                 break;
         }
 
@@ -461,8 +461,7 @@ static QPair<QByteArray, QByteArray> nextField(const QByteArray &text, int &posi
 
     \value Full                 makes toRawForm() return the full
         cookie contents, as suitable for sending to a client in a
-        server's "Set-Cookie:" header. Multiple cookies are separated
-        by commas in a "Set-Cookie:" header.
+        server's "Set-Cookie:" header.
 
     Note that only the Full form of the cookie can be parsed back into
     its original contents.
@@ -488,7 +487,6 @@ QByteArray QNetworkCookie::toRawForm(RawForm form) const
     result = d->name;
     result += '=';
     if ((d->value.contains(';') ||
-        d->value.contains(',') ||
         d->value.contains('"')) &&
         (!d->value.startsWith('"') &&
         !d->value.endsWith('"'))) {
@@ -967,14 +965,8 @@ QList<QNetworkCookie> QNetworkCookiePrivate::parseSetCookieHeaderLine(const QByt
         cookie.setValue(field.second);
 
         position = nextNonWhitespace(cookieString, position);
-        bool endOfCookie = false;
-        while (!endOfCookie && position < length) {
+        while (position < length) {
             switch (cookieString.at(position++)) {
-            case ',':
-                // end of the cookie
-                endOfCookie = true;
-                break;
-
             case ';':
                 // new field in the cookie
                 field = nextField(cookieString, position, false);
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index 0b568d4..6f2daec 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -471,6 +471,7 @@ bool QNetworkReplyImplPrivate::isCachingEnabled() const
 
 void QNetworkReplyImplPrivate::setCachingEnabled(bool enable)
 {
+    Q_Q(QNetworkReplyImpl);
     if (!enable && !cacheEnabled)
         return;                 // nothing to do
     if (enable && cacheEnabled)
@@ -493,15 +494,27 @@ void QNetworkReplyImplPrivate::setCachingEnabled(bool enable)
         networkCache()->remove(url);
         cacheSaveDevice = 0;
         cacheEnabled = false;
+        QObject::disconnect(networkCache(), SIGNAL(destroyed()), q, SLOT(_q_cacheDestroyed()));
     }
 }
 
+void QNetworkReplyImplPrivate::_q_cacheDestroyed()
+{
+    //destruction of cache invalidates cacheSaveDevice
+    cacheSaveDevice = 0;
+    cacheEnabled = false;
+}
+
 void QNetworkReplyImplPrivate::completeCacheSave()
 {
-    if (cacheEnabled && errorCode != QNetworkReplyImpl::NoError) {
-        networkCache()->remove(url);
-    } else if (cacheEnabled && cacheSaveDevice) {
-        networkCache()->insert(cacheSaveDevice);
+    Q_Q(QNetworkReplyImpl);
+    if (cacheEnabled) {
+        if (errorCode != QNetworkReplyImpl::NoError) {
+            networkCache()->remove(url);
+        } else if (cacheSaveDevice) {
+            networkCache()->insert(cacheSaveDevice);
+        }
+        QObject::disconnect(networkCache(), SIGNAL(destroyed()), q, SLOT(_q_cacheDestroyed()));
     }
     cacheSaveDevice = 0;
     cacheEnabled = false;
@@ -561,6 +574,8 @@ void QNetworkReplyImplPrivate::initCacheSaveDevice()
         networkCache()->remove(url);
         cacheSaveDevice = 0;
         cacheEnabled = false;
+    } else {
+        q->connect(networkCache(), SIGNAL(destroyed()), SLOT(_q_cacheDestroyed()));
     }
 }
 
diff --git a/src/network/access/qnetworkreplyimpl_p.h b/src/network/access/qnetworkreplyimpl_p.h
index 089c87e..286d8ea 100644
--- a/src/network/access/qnetworkreplyimpl_p.h
+++ b/src/network/access/qnetworkreplyimpl_p.h
@@ -104,6 +104,7 @@ public:
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionConnected())
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionFailed())
 #endif
+    Q_PRIVATE_SLOT(d_func(), void _q_cacheDestroyed())
 };
 
 class QNetworkReplyImplPrivate: public QNetworkReplyPrivate
@@ -140,6 +141,7 @@ public:
     void _q_networkSessionConnected();
     void _q_networkSessionFailed();
 #endif
+    void _q_cacheDestroyed();
 
     void setup(QNetworkAccessManager::Operation op, const QNetworkRequest &request,
                QIODevice *outgoingData);
diff --git a/src/network/kernel/qhostinfo_win.cpp b/src/network/kernel/qhostinfo_win.cpp
index 6fc5b7b..1052863 100644
--- a/src/network/kernel/qhostinfo_win.cpp
+++ b/src/network/kernel/qhostinfo_win.cpp
@@ -97,14 +97,15 @@ static void resolveLibrary()
 
 #if defined(Q_OS_WINCE)
 #include <qmutex.h>
-QMutex qPrivCEMutex;
+Q_GLOBAL_STATIC(QMutex, qPrivCEMutex)
 #endif
 
 QHostInfo QHostInfoAgent::fromName(const QString &hostName)
 {
 #if defined(Q_OS_WINCE)
-    QMutexLocker locker(&qPrivCEMutex);
+    QMutexLocker locker(qPrivCEMutex());
 #endif
+
     QWindowsSockInit winSock;
 
     // Load res_init on demand.
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index cedccaa..423fa08 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -103,6 +103,7 @@
 
 #ifdef Q_OS_SYMBIAN
 #include <private/qgltexturepool_p.h>
+#include <private/qeglcontext_p.h>
 #endif
 
 // #define QT_GL_CONTEXT_RESOURCE_DEBUG
@@ -3432,8 +3433,25 @@ const QGLContext* QGLContext::currentContext()
     return 0;
 #else
     QGLThreadContext *threadContext = qgl_context_storage.localData();
-    if (threadContext)
+    if (threadContext) {
+#ifdef Q_OS_SYMBIAN
+        // Query the current context and return null if it is different.
+        // This is needed to support mixed VG-GL rendering.
+        // QtOpenVG is free to make a QEglContext current at any time and
+        // QGLContext gets no notification that its underlying QEglContext is
+        // not current anymore. We query directly from EGL to be thread-safe.
+        // QEglContext does not store all the contexts per-thread.
+        if (threadContext->context) {
+            QEglContext *eglcontext = threadContext->context->d_func()->eglContext;
+            if (eglcontext) {
+                EGLContext ctx = eglcontext->context();
+                if (ctx != eglGetCurrentContext())
+                    return 0;
+            }
+        }
+#endif
         return threadContext->context;
+    }
     return 0;
 #endif //Q_WS_QPA
 }
diff --git a/src/sql/drivers/symsql/qsql_symsql.cpp b/src/sql/drivers/symsql/qsql_symsql.cpp
index 4ceac9b..f34212c 100644
--- a/src/sql/drivers/symsql/qsql_symsql.cpp
+++ b/src/sql/drivers/symsql/qsql_symsql.cpp
@@ -217,7 +217,7 @@ void QSymSQLResultPrivate::initColumns(QSqlRecord& rec)
     int nCols = stmt.ColumnCount();
     if (nCols <= 0) {
         q->setLastError(qMakeError(access, QCoreApplication::translate("QSymSQLResult",
-                        "Error retreving column count"), QSqlError::UnknownError, nCols));
+                        "Error retrieving column count"), QSqlError::UnknownError, nCols));
         return;
     }
        
@@ -227,7 +227,7 @@ void QSymSQLResultPrivate::initColumns(QSqlRecord& rec)
         
         if (err != KErrNone) {
             q->setLastError(qMakeError(access, QCoreApplication::translate("QSymSQLResult",
-                             "Error retreving column name"), QSqlError::UnknownError, err));
+                             "Error retrieving column name"), QSqlError::UnknownError, err));
              return;
         }
         
@@ -240,7 +240,7 @@ void QSymSQLResultPrivate::initColumns(QSqlRecord& rec)
         
         if (err != KErrNone) {
             q->setLastError(qMakeError(access, QCoreApplication::translate("QSymSQLResult",
-                             "Error retreving column type"), QSqlError::UnknownError, err));
+                             "Error retrieving column type"), QSqlError::UnknownError, err));
              return;
         }
         
diff --git a/src/xmlpatterns/parser/qquerytransformparser.cpp b/src/xmlpatterns/parser/qquerytransformparser.cpp
index c9801c8..2528746 100644
--- a/src/xmlpatterns/parser/qquerytransformparser.cpp
+++ b/src/xmlpatterns/parser/qquerytransformparser.cpp
@@ -4561,7 +4561,7 @@ yyreduce:
             {
                 parseInfo->staticContext->error(QtXmlPatterns::tr("The namespace for a user defined function "
                                                    "cannot be empty (try the predefined "
-                                                   "prefix %1 which exists for cases "
+                                                   "prefix %1, which exists for cases "
                                                    "like this)")
                                                    .arg(formatKeyword("local")),
                                                 ReportContext::XQST0060, fromYYLTYPE((yyloc), parseInfo));
diff --git a/src/xmlpatterns/schema/qxsdschemaresolver.cpp b/src/xmlpatterns/schema/qxsdschemaresolver.cpp
index 29c9f5a..2549f5f 100644
--- a/src/xmlpatterns/schema/qxsdschemaresolver.cpp
+++ b/src/xmlpatterns/schema/qxsdschemaresolver.cpp
@@ -854,7 +854,7 @@ void XsdSchemaResolver::resolveComplexContentComplexTypes(const XsdComplexType::
                 group->setCompositor(XsdModelGroup::SequenceCompositor);
 
                 if (effectiveContent && effectiveContent->term()->isModelGroup() && XsdModelGroup::Ptr(effectiveContent->term())->compositor() == XsdModelGroup::AllCompositor) {
-                    m_context->error(QtXmlPatterns::tr("Content model of complex type %1 contains %2 element so it cannot be derived by extension from a non-empty type.")
+                    m_context->error(QtXmlPatterns::tr("Content model of complex type %1 contains %2 element, so it cannot be derived by extension from a non-empty type.")
                                                       .arg(formatType(m_namePool, complexType)).arg(formatKeyword("all")), XsdSchemaContext::XSDError, sourceLocation(complexType));
                     return;
                 }
diff --git a/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp b/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp
index 80c95c1..22d5d22 100644
--- a/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp
+++ b/src/xmlpatterns/schema/qxsdvalidatinginstancereader.cpp
@@ -699,7 +699,7 @@ bool XsdValidatingInstanceReader::validateElementComplexType(const XsdElement::P
                 if (complexType->contentType()->variety() == XsdComplexType::ContentType::Mixed) {
                     if (declaration->valueConstraint() && declaration->valueConstraint()->variety() == XsdElement::ValueConstraint::Fixed) {
                         if (hasChildElement()) {
-                            error(QtXmlPatterns::tr("Element %1 cannot contain other elements, as it has a fixed content.").arg(formatKeyword(declaration->displayName(m_namePool))));
+                            error(QtXmlPatterns::tr("Element %1 cannot contain other elements, as it has fixed content.").arg(formatKeyword(declaration->displayName(m_namePool))));
                             return false;
                         }