Merge remote branch 'origin/4.6' into qt-4.7-from-4.6

Conflicts:
	src/3rdparty/webkit/VERSION
	src/3rdparty/webkit/WebCore/ChangeLog
	src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
	src/3rdparty/webkit/WebKit/qt/ChangeLog
	src/gui/painting/qpainter.cpp
	src/gui/painting/qtextureglyphcache.cpp
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
	src/s60installs/bwins/QtGuiu.def
	src/s60installs/eabi/QtCoreu.def
	src/s60installs/eabi/QtGuiu.def
	src/s60installs/eabi/QtNetworku.def
	src/s60installs/eabi/QtOpenVGu.def
	tests/auto/qfontmetrics/tst_qfontmetrics.cpp
	tools/linguist/lupdate/main.cpp

45 files changed, 674 insertions, 97 deletions

diff --git a/configure b/configure
index 916b2e5..89cd97d 100755
--- a/configure
+++ b/configure
@@ -8049,7 +8049,7 @@ if [ "$CFG_OPENSSL" = "linked" ] && [ "$OPENSSL_LIBS" = "" ]; then
     echo "NOTE: When linking against OpenSSL, you can override the default"
     echo "library names through OPENSSL_LIBS."
     echo "For example:"
-    echo "    ./configure -openssl-linked OPENSSL_LIBS='-L/opt/ssl/lib -lssl -lcrypto'"
+    echo "    OPENSSL_LIBS='-L/opt/ssl/lib -lssl -lcrypto' ./configure -openssl-linked"
     echo
 fi
 if [ "$PLATFORM_MAC" = "yes" ] && [ "$CFG_FRAMEWORK" = "yes" ] && [ "$CFG_DEBUG" = "yes" ] && [ "$CFG_DEBUG_RELEASE" = "no" ]; then
diff --git a/demos/spectrum/app/spectrum.sh b/demos/spectrum/app/spectrum.sh
index 75ad6c2..2a230ed 100644
--- a/demos/spectrum/app/spectrum.sh
+++ b/demos/spectrum/app/spectrum.sh
@@ -1,4 +1,45 @@
 #!/bin/sh
+#############################################################################
+##
+## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+## All rights reserved.
+## Contact: Nokia Corporation (qt-info@nokia.com)
+##
+## This file is part of the examples of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## No Commercial Usage
+## This file contains pre-release code and may not be distributed.
+## You may use this file in accordance with the terms and conditions
+## contained in the Technology Preview License Agreement accompanying
+## this package.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 2.1 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL included in the
+## packaging of this file.  Please review the following information to
+## ensure the GNU Lesser General Public License version 2.1 requirements
+## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+##
+## In addition, as a special exception, Nokia gives you certain additional
+## rights.  These rights are described in the Nokia Qt LGPL Exception
+## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+##
+## If you have questions regarding the use of this file, please contact
+## Nokia at qt-info@nokia.com.
+##
+##
+##
+##
+##
+##
+##
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
 
 # Shell script for launching spectrum application on Unix systems other than Mac OSX
 
diff --git a/demos/spectrum/spectrum.pro b/demos/spectrum/spectrum.pro
index 8736ba7..a8f09de 100644
--- a/demos/spectrum/spectrum.pro
+++ b/demos/spectrum/spectrum.pro
@@ -1,4 +1,3 @@
-load(data_caging_paths)
 include(spectrum.pri)
 
 TEMPLATE = subdirs
@@ -15,6 +14,8 @@ SUBDIRS += app
 TARGET = spectrum
 
 symbian {
+    load(data_caging_paths)
+
     # Create a 'make sis' rule which can be run from the top-level
 
     include($$QT_SOURCE_TREE/demos/symbianpkgrules.pri)
diff --git a/doc/src/howtos/openvg.qdoc b/doc/src/howtos/openvg.qdoc
index e448d9c..f4a34cd 100644
--- a/doc/src/howtos/openvg.qdoc
+++ b/doc/src/howtos/openvg.qdoc
@@ -262,7 +262,10 @@
 
     The QVG_SCISSOR_CLIP define will disable clipping with vgMask() or
     vgRenderToMask() and instead use the scissor rectangle list to perform
-    clipping.  Clipping with an arbitrary QPainterPath will not be supported.
+    clipping.  Clipping with an arbitrary QPainterPath will need to convert
+    the path into a series of rectangles.  If the number of rectangles
+    exceeds VG_MAX_SCISSOR_RECTS, then the results will not be exact.
+
     The QVG_SCISSOR_CLIP define should only be used if the OpenVG engine
     does not support vgMask() or vgRenderToMask().
 
diff --git a/doc/src/platforms/emb-openvg.qdocinc b/doc/src/platforms/emb-openvg.qdocinc
index 579af67..877d70c 100644
--- a/doc/src/platforms/emb-openvg.qdocinc
+++ b/doc/src/platforms/emb-openvg.qdocinc
@@ -225,7 +225,9 @@ The QVG_NO_RENDER_TO_MASK define will disable the use of vgRenderToMask().
 
 The QVG_SCISSOR_CLIP define will disable clipping with vgMask() or
 vgRenderToMask() and instead use the scissor rectangle list to perform
-clipping.  Clipping with an arbitrary QPainterPath will not be supported.
+clipping.  Clipping with an arbitrary QPainterPath will need to convert
+the path into a series of rectangles.  If the number of rectangles
+exceeds VG_MAX_SCISSOR_RECTS, then the results will not be exact.
  
 The QVG_SCISSOR_CLIP define should only be used if the OpenVG engine does
 not support vgMask() or vgRenderToMask().
diff --git a/mkspecs/linux-g++-maemo/qmake.conf b/mkspecs/linux-g++-maemo/qmake.conf
index ca201bc..cced090 100644
--- a/mkspecs/linux-g++-maemo/qmake.conf
+++ b/mkspecs/linux-g++-maemo/qmake.conf
@@ -13,9 +13,6 @@ QMAKE_INCREMENTAL_STYLE = sublib
 include(../common/g++.conf)
 include(../common/linux.conf)
 
-# Work round scratchbox not having standard paths in it's default search path
-QMAKE_LFLAGS    += -Wl,-rpath-link=/lib
-QMAKE_LFLAGS    += -Wl,-rpath-link=/usr/lib
 
 # Override the default lib/include directories for scratchbox:
 QMAKE_INCDIR_X11      = /usr/include/X11
diff --git a/qmake/generators/mac/pbuilder_pbx.cpp b/qmake/generators/mac/pbuilder_pbx.cpp
index 1a7391b..aa55f51 100644
--- a/qmake/generators/mac/pbuilder_pbx.cpp
+++ b/qmake/generators/mac/pbuilder_pbx.cpp
@@ -540,7 +540,7 @@ ProjectBuilderMakefileGenerator::writeMakeParts(QTextStream &t)
           << "\t\t\t" << writeSettings("name", "Qt Qmake") << ";" << "\n"
           << "\t\t\t" << writeSettings("neededFileNames", QStringList(), SettingsAsList, 4) << ";" << "\n"
           << "\t\t\t" << writeSettings("shellPath", "/bin/sh") << ";" << "\n"
-          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f " + escapeFilePath(mkfile))) << ";" << "\n"
+          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f '" + escapeFilePath(mkfile) + "'")) << ";" << "\n"
           << "\t\t" << "};" << "\n";
     }
 
@@ -789,7 +789,7 @@ ProjectBuilderMakefileGenerator::writeMakeParts(QTextStream &t)
           << "\t\t\t" << writeSettings("name", "Qt Preprocessors") << ";" << "\n"
           << "\t\t\t" << writeSettings("neededFileNames", fixListForOutput("QMAKE_PBX_OBJ"), SettingsAsList, 4) << ";" << "\n"
           << "\t\t\t" << writeSettings("shellPath", "/bin/sh") << ";" << "\n"
-          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f " + escapeFilePath(mkfile))) << ";" << "\n"
+          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f '" + escapeFilePath(mkfile) + "'")) << ";" << "\n"
           << "\t\t" << "};" << "\n";
    }
 
@@ -968,7 +968,7 @@ ProjectBuilderMakefileGenerator::writeMakeParts(QTextStream &t)
           << "\t\t\t" << writeSettings("name", "Qt Sublibs") << ";" << "\n"
           << "\t\t\t" << writeSettings("neededFileNames", QStringList(), SettingsAsList, 4) << ";" << "\n"
           << "\t\t\t" << writeSettings("shellPath", "/bin/sh") << "\n"
-          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f " + escapeFilePath(mkfile))) << ";" << "\n"
+          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f '" + escapeFilePath(mkfile) + "'")) << ";" << "\n"
           << "\t\t" << "};" << "\n";
     }
     //LIBRARY BUILDPHASE
diff --git a/qmake/generators/win32/msvc_objectmodel.cpp b/qmake/generators/win32/msvc_objectmodel.cpp
index 604aa8a..1e060a0 100644
--- a/qmake/generators/win32/msvc_objectmodel.cpp
+++ b/qmake/generators/win32/msvc_objectmodel.cpp
@@ -674,6 +674,12 @@ bool VCCLCompilerTool::parseOption(const char* option)
             if(third == 'd')
                 RuntimeLibrary = rtMultiThreadedDebug;
             break;
+        } else if (second == 'P') {
+            if (config->CompilerVersion >= NET2005)
+                AdditionalOptions += option;
+            else
+                warn_msg(WarnLogic, "/MP option is not supported in Visual C++ < 2005, ignoring.");
+            break;
         }
         found = false; break;
     case 'O':
diff --git a/src/3rdparty/phonon/mmf/abstractaudioeffect.cpp b/src/3rdparty/phonon/mmf/abstractaudioeffect.cpp
index 6cfeb76..9b64ab3 100644
--- a/src/3rdparty/phonon/mmf/abstractaudioeffect.cpp
+++ b/src/3rdparty/phonon/mmf/abstractaudioeffect.cpp
@@ -184,6 +184,8 @@ int AbstractAudioEffect::effectParameterChanged(
     const EffectParameter &param, const QVariant &value)
 {
     // Default implementation
+    Q_UNUSED(param)
+    Q_UNUSED(value)
     Q_ASSERT_X(false, Q_FUNC_INFO, "Effect has no parameters");
     return 0;
 }
diff --git a/src/3rdparty/phonon/mmf/abstractaudioeffect.h b/src/3rdparty/phonon/mmf/abstractaudioeffect.h
index d71993b..70adcf6 100644
--- a/src/3rdparty/phonon/mmf/abstractaudioeffect.h
+++ b/src/3rdparty/phonon/mmf/abstractaudioeffect.h
@@ -118,6 +118,10 @@ private:
 // for each of the effects.  Using this reduces repetition of boilerplate
 // in the implementations of the backend effect nodes.
 
+#ifdef Q_CC_NOKIAX86
+#   pragma warn_illtokenpasting off
+#endif
+
 #define PHONON_MMF_DEFINE_EFFECT_FUNCTIONS(Effect)                      \
                                                                         \
 void Effect##::createEffect(AudioPlayer::NativePlayer *player)          \
diff --git a/src/3rdparty/phonon/mmf/audiooutput.cpp b/src/3rdparty/phonon/mmf/audiooutput.cpp
index c6be20b..3588683 100644
--- a/src/3rdparty/phonon/mmf/audiooutput.cpp
+++ b/src/3rdparty/phonon/mmf/audiooutput.cpp
@@ -78,6 +78,9 @@ bool MMF::AudioOutput::setOutputDevice(int index)
 {
     Q_ASSERT_X(index == AudioOutputDeviceID, Q_FUNC_INFO,
                "We only support one output device, with id 0");
+#ifdef QT_NO_DEBUG
+    Q_UNUSED(index)
+#endif
     return true;
 }
 
diff --git a/src/3rdparty/phonon/mmf/bassboost.cpp b/src/3rdparty/phonon/mmf/bassboost.cpp
index c7af939..67076f6 100644
--- a/src/3rdparty/phonon/mmf/bassboost.cpp
+++ b/src/3rdparty/phonon/mmf/bassboost.cpp
@@ -49,6 +49,7 @@ const char* BassBoost::description()
 bool BassBoost::getParameters(CMdaAudioOutputStream *stream,
     QList<EffectParameter> &parameters)
 {
+    Q_UNUSED(parameters)
     QScopedPointer<CBassBoost> effect;
     TRAPD(err, effect.reset(CBassBoost::NewL(*stream)));
     return (KErrNone == err);
diff --git a/src/3rdparty/phonon/mmf/effectfactory.cpp b/src/3rdparty/phonon/mmf/effectfactory.cpp
index c5e33d5..4643978 100644
--- a/src/3rdparty/phonon/mmf/effectfactory.cpp
+++ b/src/3rdparty/phonon/mmf/effectfactory.cpp
@@ -183,8 +183,9 @@ EffectFactory::EffectData EffectFactory::getData()
          /* defaultValue */       QVariant(bool(true)));
     data.m_parameters.append(param);
 
-    if (data.m_supported = BackendNode::getParameters
-            (stream.data(), data.m_parameters)) {
+    data.m_supported = BackendNode::getParameters(stream.data(),
+                                                  data.m_parameters);
+    if (data.m_supported) {
         const QString description = QCoreApplication::translate
             ("Phonon::MMF::EffectFactory", BackendNode::description());
         data.m_descriptions.insert("name", description);
diff --git a/src/3rdparty/phonon/mmf/loudness.cpp b/src/3rdparty/phonon/mmf/loudness.cpp
index 1079a35..ca05ab0 100644
--- a/src/3rdparty/phonon/mmf/loudness.cpp
+++ b/src/3rdparty/phonon/mmf/loudness.cpp
@@ -49,6 +49,7 @@ const char* Loudness::description()
 bool Loudness::getParameters(CMdaAudioOutputStream *stream,
     QList<EffectParameter> &parameters)
 {
+    Q_UNUSED(parameters)
     QScopedPointer<CLoudness> effect;
     TRAPD(err, effect.reset(CLoudness::NewL(*stream)));
     return (KErrNone == err);
diff --git a/src/corelib/kernel/qeventdispatcher_symbian.cpp b/src/corelib/kernel/qeventdispatcher_symbian.cpp
index 1cb8455..9d8ee5a 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian.cpp
+++ b/src/corelib/kernel/qeventdispatcher_symbian.cpp
@@ -484,9 +484,9 @@ void QSelectThread::run()
                 } // end for
 
                 // traversed all, so update
+                updateActivatedNotifiers(QSocketNotifier::Exception, &exceptionfds);
                 updateActivatedNotifiers(QSocketNotifier::Read, &readfds);
                 updateActivatedNotifiers(QSocketNotifier::Write, &writefds);
-                updateActivatedNotifiers(QSocketNotifier::Exception, &exceptionfds);
 
                 break;
             case EINTR: // Should never occur on Symbian, but this is future proof!
@@ -496,9 +496,9 @@ void QSelectThread::run()
                 break;
             }
         } else {
+            updateActivatedNotifiers(QSocketNotifier::Exception, &exceptionfds);
             updateActivatedNotifiers(QSocketNotifier::Read, &readfds);
             updateActivatedNotifiers(QSocketNotifier::Write, &writefds);
-            updateActivatedNotifiers(QSocketNotifier::Exception, &exceptionfds);
         }
 
         m_waitCond.wait(&m_mutex);
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
index 3374c80..0777f06 100644
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@@ -931,7 +931,7 @@ public:
     { return QHash<Key, T>::insertMulti(key, value); }
 
     inline QMultiHash &operator+=(const QMultiHash &other)
-    { unite(other); return *this; }
+    { this->unite(other); return *this; }
     inline QMultiHash operator+(const QMultiHash &other) const
     { QMultiHash result = *this; result += other; return result; }
 
@@ -1006,12 +1006,7 @@ Q_INLINE_TEMPLATE int QMultiHash<Key, T>::remove(const Key &key, const T &value)
     typename QHash<Key, T>::iterator end(QHash<Key, T>::end());
     while (i != end && i.key() == key) {
         if (i.value() == value) {
-#if defined(Q_CC_RVCT)
-            // RVCT has problems with scoping, apparently.
-            i = QHash<Key, T>::erase(i);
-#else
-            i = erase(i);
-#endif
+            i = this->erase(i);
             ++n;
         } else {
             ++i;
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index 5696ba6..e4b73a1 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -977,7 +977,7 @@ public:
     { return QMap<Key, T>::insertMulti(key, value); }
 
     inline QMultiMap &operator+=(const QMultiMap &other)
-    { unite(other); return *this; }
+    { this->unite(other); return *this; }
     inline QMultiMap operator+(const QMultiMap &other) const
     { QMultiMap result = *this; result += other; return result; }
 
@@ -1052,12 +1052,7 @@ Q_INLINE_TEMPLATE int QMultiMap<Key, T>::remove(const Key &key, const T &value)
     typename QMap<Key, T>::iterator end(QMap<Key, T>::end());
     while (i != end && !qMapLessThanKey<Key>(key, i.key())) {
         if (i.value() == value) {
-#if defined(Q_CC_RVCT)
-            // RVCT has problems with scoping, apparently.
-            i = QMap<Key, T>::erase(i);
-#else
-            i = erase(i);
-#endif
+            i = this->erase(i);
             ++n;
         } else {
             ++i;
diff --git a/src/gui/embedded/qwsmanager_qws.cpp b/src/gui/embedded/qwsmanager_qws.cpp
index 79076c5..b0259b9 100644
--- a/src/gui/embedded/qwsmanager_qws.cpp
+++ b/src/gui/embedded/qwsmanager_qws.cpp
@@ -394,7 +394,7 @@ void QWSManagerPrivate::dirtyRegion(int decorationRegion,
                                     const QRegion &clip)
 {
     QTLWExtra *topextra = managed->d_func()->extra->topextra;
-    QWidgetBackingStore *bs = topextra->backingStore;
+    QWidgetBackingStore *bs = topextra->backingStore.data();
     const bool pendingUpdateRequest = bs->isDirty();
 
     if (decorationRegion == QDecoration::All) {
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 98f235e..d89ffe6 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -272,6 +272,8 @@ bool QImageData::checkForAlphaPixels() const
 
     switch (format) {
 
+    case QImage::Format_Mono:
+    case QImage::Format_MonoLSB:
     case QImage::Format_Indexed8:
         has_alpha_pixels = has_alpha_clut;
         break;
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 8ab82c9..a50fd95 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -1032,6 +1032,9 @@ void QSymbianControl::SizeChanged()
                 qwidget->d_func()->syncBackingStore();
             if (!slowResize && tlwExtra)
                 tlwExtra->inTopLevelResize = false;
+        } else {
+            QResizeEvent *e = new QResizeEvent(newSize, oldSize);
+            QApplication::postEvent(qwidget, e);
         }
     }
 
@@ -1800,19 +1803,27 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
                 return 1;
             const TWsVisibilityChangedEvent *visChangedEvent = event->VisibilityChanged();
             QWidget *w = QWidgetPrivate::mapper->value(control);
-            if (!w->d_func()->maybeTopData())
+            QWidget *const window = w->window();
+            if (!window->d_func()->maybeTopData())
                 break;
+            QRefCountedWidgetBackingStore &backingStore = window->d_func()->maybeTopData()->backingStore;
             if (visChangedEvent->iFlags & TWsVisibilityChangedEvent::ENotVisible) {
-                delete w->d_func()->topData()->backingStore;
-                w->d_func()->topData()->backingStore = 0;
+                // Decrement backing store reference count
+                backingStore.deref();
                 // In order to ensure that any resources used by the window surface
                 // are immediately freed, we flush the WSERV command buffer.
                 S60->wsSession().Flush();
-            } else if ((visChangedEvent->iFlags & TWsVisibilityChangedEvent::EPartiallyVisible)
-                       && !w->d_func()->maybeBackingStore()) {
-                w->d_func()->topData()->backingStore = new QWidgetBackingStore(w);
-                w->d_func()->invalidateBuffer(w->rect());
-                w->repaint();
+            } else if (visChangedEvent->iFlags & TWsVisibilityChangedEvent::EPartiallyVisible) {
+                if (backingStore.data()) {
+                    // Increment backing store reference count
+                    backingStore.ref();
+                } else {
+                    // Create backing store with an initial reference count of 1
+                    backingStore.create(window);
+                    backingStore.ref();
+                    w->d_func()->invalidateBuffer(w->rect());
+                    w->repaint();
+                }
             }
             return 1;
         }
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index c52fbdf..09535fa 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -1550,7 +1550,7 @@ extern "C" LRESULT QT_WIN_CALLBACK QtWndProc(HWND hwnd, UINT message, WPARAM wPa
     case WM_SETTINGCHANGE:
 #ifdef Q_WS_WINCE
         // CE SIP hide/show
-        if (wParam == SPI_SETSIPINFO) {
+        if (qt_desktopWidget && wParam == SPI_SETSIPINFO) {
             QResizeEvent re(QSize(0, 0), QSize(0, 0)); // Calculated by QDesktopWidget
             QApplication::sendEvent(qt_desktopWidget, &re);
             break;
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index 78fc704..3664743 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -5268,7 +5268,7 @@ bool QETWidget::translateConfigEvent(const XEvent *event)
 
         if (isVisible() && data->crect.size() != oldSize) {
             Q_ASSERT(d->extra->topextra);
-            QWidgetBackingStore *bs = d->extra->topextra->backingStore;
+            QWidgetBackingStore *bs = d->extra->topextra->backingStore.data();
             const bool hasStaticContents = bs && bs->hasStaticContents();
             // If we have a backing store with static contents, we have to disable the top-level
             // resize optimization in order to get invalidated regions for resized widgets.
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 2fc76ed..895c85d 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -161,6 +161,51 @@ static inline bool hasBackingStoreSupport()
 extern bool qt_sendSpontaneousEvent(QObject*, QEvent*); // qapplication.cpp
 extern QDesktopWidget *qt_desktopWidget; // qapplication.cpp
 
+
+QRefCountedWidgetBackingStore::QRefCountedWidgetBackingStore()
+    :   m_ptr(0)
+    ,   m_count(0)
+{
+
+}
+
+QRefCountedWidgetBackingStore::~QRefCountedWidgetBackingStore()
+{
+    delete m_ptr;
+}
+
+void QRefCountedWidgetBackingStore::create(QWidget *widget)
+{
+    destroy();
+    m_ptr = new QWidgetBackingStore(widget);
+    m_count = 0;
+}
+
+void QRefCountedWidgetBackingStore::destroy()
+{
+    delete m_ptr;
+    m_ptr = 0;
+    m_count = 0;
+}
+
+void QRefCountedWidgetBackingStore::ref()
+{
+    Q_ASSERT(m_ptr);
+    ++m_count;
+}
+
+void QRefCountedWidgetBackingStore::deref()
+{
+    if (m_count) {
+        Q_ASSERT(m_ptr);
+        if (0 == --m_count) {
+            delete m_ptr;
+            m_ptr = 0;
+        }
+    }
+}
+
+
 QWidgetPrivate::QWidgetPrivate(int version)
     : QObjectPrivate(version)
       , extra(0)
@@ -1350,11 +1395,9 @@ void QWidget::create(WId window, bool initializeWindow, bool destroyOldWindow)
 
     // a real toplevel window needs a backing store
     if (isWindow() && windowType() != Qt::Desktop) {
-        delete d->topData()->backingStore;
-        // QWidgetBackingStore will check this variable, hence it must be 0
-        d->topData()->backingStore = 0;
+        d->topData()->backingStore.destroy();
         if (hasBackingStoreSupport())
-            d->topData()->backingStore = new QWidgetBackingStore(this);
+            d->topData()->backingStore.create(this);
     }
 
     d->setModal_sys();
@@ -1482,8 +1525,7 @@ QWidget::~QWidget()
         // the backing store will delete its window surface, which may or may
         // not have a reference to this widget that will be used later to
         // notify the window it no longer has a surface.
-        delete d->extra->topextra->backingStore;
-        d->extra->topextra->backingStore = 0;
+        d->extra->topextra->backingStore.destroy();
     }
 #endif
     if (QWidgetBackingStore *bs = d->maybeBackingStore()) {
@@ -1580,7 +1622,6 @@ void QWidgetPrivate::createTLExtra()
         QTLWExtra* x = extra->topextra = new QTLWExtra;
         x->icon = 0;
         x->iconPixmap = 0;
-        x->backingStore = 0;
         x->windowSurface = 0;
         x->sharedPainter = 0;
         x->incw = x->inch = 0;
@@ -1664,7 +1705,7 @@ void QWidgetPrivate::deleteExtra()
 #endif
         if (extra->topextra) {
             deleteTLSysExtra();
-            delete extra->topextra->backingStore;
+            extra->topextra->backingStore.destroy();
             delete extra->topextra->icon;
             delete extra->topextra->iconPixmap;
 #if defined(Q_WS_QWS) && !defined(QT_NO_QWS_MANAGER)
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index f23a94c..49a2dc8 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -110,13 +110,53 @@ class QWidgetItemV2;
 
 class QStyle;
 
+class Q_AUTOTEST_EXPORT QRefCountedWidgetBackingStore
+{
+public:
+    QRefCountedWidgetBackingStore();
+    ~QRefCountedWidgetBackingStore();
+
+    void create(QWidget *tlw);
+    void destroy();
+
+    void ref();
+    void deref();
+
+    inline QWidgetBackingStore* data()
+    {
+        return m_ptr;
+    }
+
+    inline QWidgetBackingStore* operator->()
+    {
+        return m_ptr;
+    }
+
+    inline QWidgetBackingStore& operator*()
+    {
+        return *m_ptr;
+    }
+
+    inline operator bool() const
+    {
+        return (0 != m_ptr);
+    }
+
+private:
+    Q_DISABLE_COPY(QRefCountedWidgetBackingStore)
+
+private:
+    QWidgetBackingStore* m_ptr;
+    int m_count;
+};
+
 struct QTLWExtra {
     // *************************** Cross-platform variables *****************************
 
     // Regular pointers (keep them together to avoid gaps on 64 bits architectures).
     QIcon *icon; // widget icon
     QPixmap *iconPixmap;
-    QWidgetBackingStore *backingStore;
+    QRefCountedWidgetBackingStore backingStore;
     QWindowSurface *windowSurface;
     QPainter *sharedPainter;
 
@@ -932,7 +972,7 @@ inline QWidgetBackingStore *QWidgetPrivate::maybeBackingStore() const
 {
     Q_Q(const QWidget);
     QTLWExtra *x = q->window()->d_func()->maybeTopData();
-    return x ? x->backingStore : 0;
+    return x ? x->backingStore.data() : 0;
 }
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 02e7cb8..86b858d 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -433,6 +433,7 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
         // Request mouse move events.
         drawableWindow->PointerFilter(EPointerFilterEnterExit
             | EPointerFilterMove | EPointerFilterDrag, 0);
+        drawableWindow->EnableVisibilityChangeEvents();
 
         if (q->isVisible() && q->testAttribute(Qt::WA_Mapped)) {
             activateSymbianWindow(control.data());
@@ -487,11 +488,8 @@ void QWidgetPrivate::show_sys()
                 && !S60->buttonGroupContainer() && !S60->statusPane()) {
 
             bool isFullscreen = q->windowState() & Qt::WindowFullScreen;
-            bool cbaRequested = q->windowFlags() & Qt::WindowSoftkeysVisibleHint;
 
-            // If the window is fullscreen and has not explicitly requested that the CBA be visible
-            // we delay the creation even more.
-            if ((!isFullscreen || cbaRequested) && !q->testAttribute(Qt::WA_DontShowOnScreen)) {
+            if (!q->testAttribute(Qt::WA_DontShowOnScreen)) {
 
                 // Create the status pane and CBA here
                 CEikAppUi *ui = static_cast<CEikAppUi *>(S60->appUi());
@@ -911,14 +909,12 @@ void QWidgetPrivate::registerDropSite(bool /* on */)
 
 void QWidgetPrivate::createTLSysExtra()
 {
-    extra->topextra->backingStore = 0;
     extra->topextra->inExpose = 0;
 }
 
 void QWidgetPrivate::deleteTLSysExtra()
 {
-    delete extra->topextra->backingStore;
-    extra->topextra->backingStore = 0;
+    extra->topextra->backingStore.destroy();
 }
 
 void QWidgetPrivate::createSysExtra()
diff --git a/src/gui/painting/qbackingstore.cpp b/src/gui/painting/qbackingstore.cpp
index f9cd59b..83751ed 100644
--- a/src/gui/painting/qbackingstore.cpp
+++ b/src/gui/painting/qbackingstore.cpp
@@ -909,7 +909,7 @@ void QWidgetPrivate::moveRect(const QRect &rect, int dx, int dy)
     QWidgetPrivate *pd = pw->d_func();
     QRect clipR(pd->clipRect());
 #ifdef Q_WS_QWS
-    QWidgetBackingStore *wbs = x->backingStore;
+    QWidgetBackingStore *wbs = x->backingStore.data();
     QWSWindowSurface *surface = static_cast<QWSWindowSurface*>(wbs->windowSurface);
     clipR = clipR.intersected(surface->clipRegion().translated(-toplevelOffset).boundingRect());
 #endif
@@ -939,7 +939,7 @@ void QWidgetPrivate::moveRect(const QRect &rect, int dx, int dy)
         invalidateBuffer((newRect & clipR).translated(-data.crect.topLeft()));
     } else {
 
-        QWidgetBackingStore *wbs = x->backingStore;
+        QWidgetBackingStore *wbs = x->backingStore.data();
         QRegion childExpose(newRect & clipR);
 
         if (sourceRect.isValid() && wbs->bltRect(sourceRect, dx, dy, pw))
@@ -982,7 +982,7 @@ void QWidgetPrivate::scrollRect(const QRect &rect, int dx, int dy)
     if (x->inTopLevelResize)
         return;
 
-    QWidgetBackingStore *wbs = x->backingStore;
+    QWidgetBackingStore *wbs = x->backingStore.data();
     if (!wbs)
         return;
 
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index 515b6c7..43fa4b9 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -3190,7 +3190,7 @@ void QStyleSheetStyle::drawComplexControl(ComplexControl cc, const QStyleOptionC
                     subRule2.drawRule(p, r);
                 }
 
-                handleSubRule.drawRule(p, grooveSubRule.boxRect(hr, Margin));
+                handleSubRule.drawRule(p, handleSubRule.boxRect(hr, Margin));
             }
 
             if (slider->subControls & SC_SliderTickmarks) {
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index 3f67408..f5e252c 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -89,9 +89,9 @@ static QFixed alignLine(QTextEngine *eng, const QScriptLine &line)
         if (align & Qt::AlignJustify && eng->option.textDirection() == Qt::RightToLeft)
             align = Qt::AlignRight;
         if (align & Qt::AlignRight)
-            x = line.width - (line.textWidth + leadingSpaceWidth(eng, line));
+            x = line.width - (line.textAdvance + leadingSpaceWidth(eng, line));
         else if (align & Qt::AlignHCenter)
-            x = (line.width - line.textWidth)/2;
+            x = (line.width - line.textAdvance)/2;
     }
     return x;
 }
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
index 410cf21..5371c5e 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
@@ -276,6 +276,11 @@ void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph)
     }
 }
 
+int QGLTextureGlyphCache::glyphMargin() const
+{
+    return 1;
+}
+
 int QGLTextureGlyphCache::glyphPadding() const
 {
     return 1;
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
index 6bcd655..84e9021 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
@@ -72,6 +72,7 @@ public:
     virtual void createTextureData(int width, int height);
     virtual void resizeTextureData(int width, int height);
     virtual void fillTexture(const Coord &c, glyph_t glyph);
+    virtual int glyphMargin() const;
     virtual int glyphPadding() const;
 
     inline GLuint texture() const { return m_texture; }
diff --git a/src/opengl/qgl_x11.cpp b/src/opengl/qgl_x11.cpp
index d203646..9491f14 100644
--- a/src/opengl/qgl_x11.cpp
+++ b/src/opengl/qgl_x11.cpp
@@ -1773,6 +1773,9 @@ QGLTexture *QGLContextPrivate::bindTextureFromNativePixmap(QPixmap *pixmap, cons
     glXBindTexImageEXT(x11Info.display(), (GLXPixmap)pixmapData->gl_surface, GLX_FRONT_LEFT_EXT, 0);
 
     glBindTexture(GL_TEXTURE_2D, textureId);
+    GLuint filtering = (options & QGLContext::LinearFilteringBindOption) ? GL_LINEAR : GL_NEAREST;
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filtering);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filtering);
 
     if (!((hasAlpha && RGBAConfigInverted) || (!hasAlpha && RGBConfigInverted)))
         options &= ~QGLContext::InvertedYBindOption;
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 76a605a..4b22d5e 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -1622,11 +1622,48 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
         QRectF rect(points[0], points[1], points[2] - points[0],
                     points[5] - points[1]);
         clip(rect.toRect(), op);
-    } else {
-        // The best we can do is clip to the bounding rectangle
-        // of all control points.
-        clip(path.controlPointRect().toRect(), op);
+        return;
+    }
+
+    // Try converting the path into a QRegion that tightly follows
+    // the outline of the path we want to clip with.
+    QRegion region(path.convertToPainterPath().toFillPolygon(QTransform()).toPolygon());
+    switch (op) {
+        case Qt::NoClip:
+        {
+            region = defaultClipRegion();
+        }
+        break;
+
+        case Qt::ReplaceClip:
+        {
+            region = d->transform.map(region);
+        }
+        break;
+
+        case Qt::IntersectClip:
+        {
+            region = s->clipRegion.intersect(d->transform.map(region));
+        }
+        break;
+
+        case Qt::UniteClip:
+        {
+            region = s->clipRegion.unite(d->transform.map(region));
+        }
+        break;
     }
+    if (region.numRects() <= d->maxScissorRects) {
+        // We haven't reached the maximum scissor count yet, so we can
+        // still make use of this region.
+        s->clipRegion = region;
+        updateScissor();
+        return;
+    }
+
+    // The best we can do is clip to the bounding rectangle
+    // of all control points.
+    clip(path.controlPointRect().toRect(), op);
 }
 
 void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op)
diff --git a/src/qbase.pri b/src/qbase.pri
index 4a75565..83ae069 100644
--- a/src/qbase.pri
+++ b/src/qbase.pri
@@ -1,4 +1,4 @@
-isEmpty(TARGET):error(You must set TARGET before include()'ing $${_FILE_})
+isEmpty(TARGET):error("You must set TARGET before include()'ing $${_FILE_}")
 INCLUDEPATH *= $$QMAKE_INCDIR_QT/$$TARGET #just for today to have some compat
 !isEmpty(RCC_DIR): INCLUDEPATH += $$RCC_DIR
 isEmpty(QT_ARCH):!isEmpty(ARCH):QT_ARCH=$$ARCH #another compat that will rot for change #215700
diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/a.h b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/a.h
new file mode 100644
index 0000000..7059132
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/a.h
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#define XX QT_TRANSLATE_NOOP("aaa", "some text")
diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/b.h b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/b.h
new file mode 100644
index 0000000..ce3e1a2
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/b.h
@@ -0,0 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "a.h"
+
+#define YY QT_TRANSLATE_NOOP("bbb", "some text")
diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/lupdatecmd b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/lupdatecmd
new file mode 100644
index 0000000..edd91f7
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/lupdatecmd
@@ -0,0 +1 @@
+lupdate b.h a.h -ts project.ts
diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/project.ts.result b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/project.ts.result
new file mode 100644
index 0000000..6028cbb
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/project.ts.result
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.0">
+<context>
+    <name>aaa</name>
+    <message>
+        <location filename="a.h" line="42"/>
+        <source>some text</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
+<context>
+    <name>bbb</name>
+    <message>
+        <location filename="b.h" line="44"/>
+        <source>some text</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
+</TS>
diff --git a/tests/auto/qfontmetrics/tst_qfontmetrics.cpp b/tests/auto/qfontmetrics/tst_qfontmetrics.cpp
index 2567a41..a22d624 100644
--- a/tests/auto/qfontmetrics/tst_qfontmetrics.cpp
+++ b/tests/auto/qfontmetrics/tst_qfontmetrics.cpp
@@ -74,7 +74,6 @@ private slots:
     void bypassShaping();
     void elidedMultiLength();
     void elidedMultiLengthF();
-    void bearingIncludedInBoundingRect();
 };
 
 tst_QFontMetrics::tst_QFontMetrics()
@@ -267,16 +266,5 @@ void tst_QFontMetrics::elidedMultiLengthF()
     elidedMultiLength_helper<QFontMetricsF>();
 }
 
-void tst_QFontMetrics::bearingIncludedInBoundingRect()
-{
-    QFont font;
-    font.setItalic(true);
-    QRect brectItalic = QFontMetrics(font).boundingRect("ITALIC");
-    font.setItalic(false);
-    QRect brectNormal = QFontMetrics(font).boundingRect("ITALIC");
-
-    QVERIFY(brectItalic.width() >= brectNormal.width());
-}
-
 QTEST_MAIN(tst_QFontMetrics)
 #include "tst_qfontmetrics.moc"
diff --git a/tests/auto/qhash/tst_qhash.cpp b/tests/auto/qhash/tst_qhash.cpp
index 59576d9..3a7b54a 100644
--- a/tests/auto/qhash/tst_qhash.cpp
+++ b/tests/auto/qhash/tst_qhash.cpp
@@ -1154,6 +1154,26 @@ void tst_QHash::qmultihash_specific()
     QVERIFY(i.key() == 9);
     QVERIFY(i.value() == 98);
     }
+
+    {
+    QMultiHash<int, int> map1;
+    map1.insert(42, 1);
+    map1.insert(10, 2);
+    map1.insert(48, 3);
+    QMultiHash<int, int> map2;
+    map2.insert(8, 4);
+    map2.insert(42, 5);
+    map2.insert(95, 12);
+
+    map1+=map2;
+    map2.insert(42, 1);
+    map2.insert(10, 2);
+    map2.insert(48, 3);
+    QCOMPARE(map1.count(), map2.count());
+    QVERIFY(map1.remove(42,5));
+    QVERIFY(map2.remove(42,5));
+    QVERIFY(map1 == map2);
+    }
 }
 
 template <typename T>
diff --git a/tests/auto/qmap/tst_qmap.cpp b/tests/auto/qmap/tst_qmap.cpp
index d3ed76d..a1b8de7 100644
--- a/tests/auto/qmap/tst_qmap.cpp
+++ b/tests/auto/qmap/tst_qmap.cpp
@@ -837,6 +837,26 @@ void tst_QMap::qmultimap_specific()
     QVERIFY(i.key() == 9);
     QVERIFY(i.value() == 98);
     }
+
+    {
+    QMultiMap<int, int> map1;
+    map1.insert(42, 1);
+    map1.insert(10, 2);
+    map1.insert(48, 3);
+    QMultiMap<int, int> map2;
+    map2.insert(8, 4);
+    map2.insert(42, 5);
+    map2.insert(95, 12);
+
+    map1+=map2;
+    map2.insert(42, 1);
+    map2.insert(10, 2);
+    map2.insert(48, 3);
+    QCOMPARE(map1.count(), map2.count());
+    QVERIFY(map1.remove(42,5));
+    QVERIFY(map2.remove(42,5));
+    QVERIFY(map1 == map2);
+    }
 }
 
 QTEST_APPLESS_MAIN(tst_QMap)
diff --git a/tests/auto/qwidget/tst_qwidget.cpp b/tests/auto/qwidget/tst_qwidget.cpp
index 5d47aed..a1fc607 100644
--- a/tests/auto/qwidget/tst_qwidget.cpp
+++ b/tests/auto/qwidget/tst_qwidget.cpp
@@ -385,6 +385,7 @@ private slots:
     void setGraphicsEffect();
 
     void destroyBackingStore();
+    void destroyBackingStoreWhenHidden();
 
     void activateWindow();
 
@@ -9499,9 +9500,7 @@ void tst_QWidget::destroyBackingStore()
     QTRY_VERIFY(w.numPaintEvents > 0);
     w.reset();
     w.update();
-    delete qt_widget_private(&w)->topData()->backingStore;
-    qt_widget_private(&w)->topData()->backingStore = 0;
-    qt_widget_private(&w)->topData()->backingStore = new QWidgetBackingStore(&w);
+    qt_widget_private(&w)->topData()->backingStore.create(&w);
 
     w.update();
     QApplication::processEvents();
@@ -9519,6 +9518,252 @@ void tst_QWidget::destroyBackingStore()
 #endif
 }
 
+// Helper function
+QWidgetBackingStore* backingStore(QWidget &widget)
+{
+    QWidgetBackingStore *backingStore = 0;
+#ifdef QT_BUILD_INTERNAL
+    if (QTLWExtra *topExtra = qt_widget_private(&widget)->maybeTopData())
+        backingStore = topExtra->backingStore.data();
+#endif
+    return backingStore;
+}
+
+// Wait for a condition to be true, timing out after 1 second
+// This is used following calls to QWidget::show() and QWidget::hide(), which are
+// expected to asynchronously trigger native window visibility events.
+#define WAIT_AND_VERIFY(condition)                                              \
+    do {                                                                        \
+        QTime start = QTime::currentTime();                                     \
+        while (!(condition) && (start.elapsed() < 1000)) {                      \
+            qApp->processEvents();                                              \
+            QTest::qWait(50);                                                   \
+        }                                                                       \
+        if (!QTest::qVerify((condition), #condition, "", __FILE__, __LINE__))   \
+            return;                                                             \
+    } while (0)
+
+void tst_QWidget::destroyBackingStoreWhenHidden()
+{
+#ifndef QT_BUILD_INTERNAL
+    QSKIP("Test step requires access to Q_AUTOTEST_EXPORT", SkipAll);
+#endif
+
+#ifndef Q_OS_SYMBIAN
+    QSKIP("Only Symbian destroys backing store when native window becomes invisible", SkipAll);
+#endif
+
+    testWidget->hide();
+    QTest::qWait(1000);
+
+    // 1. Single top-level QWidget
+    {
+    QWidget w;
+    w.setAutoFillBackground(true);
+    w.setPalette(Qt::yellow);
+    w.setGeometry(0, 0, 100, 100);
+    w.show();
+    QTest::qWaitForWindowShown(&w);
+    QVERIFY(0 != backingStore(w));
+
+    w.hide();
+    WAIT_AND_VERIFY(0 == backingStore(w));
+
+    w.show();
+    QTest::qWaitForWindowShown(&w);
+    QVERIFY(0 != backingStore(w));
+    }
+
+    // 2. Two top-level widgets
+    {
+    QWidget w1;
+    w1.setGeometry(0, 0, 100, 100);
+    w1.setAutoFillBackground(true);
+    w1.setPalette(Qt::red);
+    w1.show();
+    QTest::qWaitForWindowShown(&w1);
+    QVERIFY(0 != backingStore(w1));
+
+    QWidget w2;
+    w2.setGeometry(w1.geometry());
+    w1.setAutoFillBackground(true);
+    w1.setPalette(Qt::blue);
+    w2.show();
+    QTest::qWaitForWindowShown(&w2);
+    QVERIFY(0 != backingStore(w2));
+
+    // Check that w1 deleted its backing store when obscured by w2
+    QVERIFY(0 == backingStore(w1));
+
+    w2.move(w2.pos() + QPoint(10, 10));
+
+    // Check that w1 recreates its backing store when partially revealed
+    WAIT_AND_VERIFY(0 != backingStore(w1));
+    }
+
+    // 3. Native child widget
+    {
+    QWidget parent;
+    parent.setGeometry(0, 0, 100, 100);
+    parent.setAutoFillBackground(true);
+    parent.setPalette(Qt::yellow);
+
+    QWidget child(&parent);
+    child.setAutoFillBackground(true);
+    child.setPalette(Qt::green);
+
+    QVBoxLayout layout(&parent);
+    layout.setContentsMargins(10, 10, 10, 10);
+    layout.addWidget(&child);
+    parent.setLayout(&layout);
+
+    child.winId();
+
+    parent.show();
+    QTest::qWaitForWindowShown(&parent);
+
+    // Check that child window does not obscure parent window
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should share parent's backing store
+    QWidgetBackingStore *const parentBs = backingStore(parent);
+    QVERIFY(0 != parentBs);
+    QVERIFY(0 == backingStore(child));
+
+    // Set margins to zero so that child widget totally obscures parent
+    layout.setContentsMargins(0, 0, 0, 0);
+
+    WAIT_AND_VERIFY(parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Backing store should remain unchanged despite child window obscuring
+    // parent window
+    QVERIFY(parentBs == backingStore(parent));
+    QVERIFY(0 == backingStore(child));
+    }
+
+    // 4. Alien child widget which is made full-screen
+    {
+    QWidget parent;
+    parent.setGeometry(0, 0, 100, 100);
+    parent.setAutoFillBackground(true);
+    parent.setPalette(Qt::red);
+
+    QWidget child(&parent);
+    child.setAutoFillBackground(true);
+    child.setPalette(Qt::blue);
+
+    QVBoxLayout layout(&parent);
+    layout.setContentsMargins(10, 10, 10, 10);
+    layout.addWidget(&child);
+    parent.setLayout(&layout);
+
+    parent.show();
+    QTest::qWaitForWindowShown(&parent);
+
+    // Check that child window does not obscure parent window
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QVERIFY(0 == backingStore(child));
+
+    // Make child widget full screen
+    child.setWindowFlags((child.windowFlags() | Qt::Window) ^ Qt::SubWindow);
+    child.setWindowState(child.windowState() | Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Check that child window obscures parent window
+    QVERIFY(parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Now that extent of child widget goes beyond parent's extent,
+    // a new backing store should be created for the child widget.
+    QVERIFY(0 != backingStore(child));
+
+    // Parent is obscured, therefore its backing store should be destroyed
+    QVERIFY(0 == backingStore(parent));
+
+    // Disable full screen
+    child.setWindowFlags(child.windowFlags() ^ (Qt::Window | Qt::SubWindow));
+    child.setWindowState(child.windowState() ^ Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Check that parent is now visible again
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should once again share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QEXPECT_FAIL("", "QTBUG-10643", Continue);
+    QVERIFY(0 == backingStore(child));
+    }
+
+    // 5. Native child widget which is made full-screen
+    {
+    QWidget parent;
+    parent.setGeometry(0, 0, 100, 100);
+    parent.setAutoFillBackground(true);
+    parent.setPalette(Qt::red);
+
+    QWidget child(&parent);
+    child.setAutoFillBackground(true);
+    child.setPalette(Qt::blue);
+
+    QVBoxLayout layout(&parent);
+    layout.setContentsMargins(10, 10, 10, 10);
+    layout.addWidget(&child);
+    parent.setLayout(&layout);
+
+    child.winId();
+
+    parent.show();
+    QTest::qWaitForWindowShown(&parent);
+
+    // Check that child window does not obscure parent window
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QVERIFY(0 == backingStore(child));
+
+    // Make child widget full screen
+    child.setWindowFlags((child.windowFlags() | Qt::Window) ^ Qt::SubWindow);
+    child.setWindowState(child.windowState() | Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Ensure that 'window hidden' event is received by parent
+    qApp->processEvents();
+
+    // Check that child window obscures parent window
+    QVERIFY(parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Now that extent of child widget goes beyond parent's extent,
+    // a new backing store should be created for the child widget.
+    QVERIFY(0 != backingStore(child));
+
+    // Parent is obscured, therefore its backing store should be destroyed
+    QEXPECT_FAIL("", "QTBUG-10643", Continue);
+    QVERIFY(0 == backingStore(parent));
+
+    // Disable full screen
+    child.setWindowFlags(child.windowFlags() ^ (Qt::Window | Qt::SubWindow));
+    child.setWindowState(child.windowState() ^ Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Check that parent is now visible again
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should once again share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QEXPECT_FAIL("", "QTBUG-10643", Continue);
+    QVERIFY(0 == backingStore(child));
+    }
+}
+
+#undef WAIT_AND_VERIFY
+
 void tst_QWidget::rectOutsideCoordinatesLimit_task144779()
 {
 #ifdef Q_OS_WINCE_WM
@@ -10000,15 +10245,12 @@ class scrollWidgetWBS : public QWidget
 public:
     void deleteBackingStore()
     {
-        if (static_cast<QWidgetPrivate*>(d_ptr.data())->maybeBackingStore()) {
-            delete static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore;
-            static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore = 0;
-        }
+        static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore.destroy();
     }
     void enableBackingStore()
     {
         if (!static_cast<QWidgetPrivate*>(d_ptr.data())->maybeBackingStore()) {
-            static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore = new QWidgetBackingStore(this);
+            static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore.create(this);
             static_cast<QWidgetPrivate*>(d_ptr.data())->invalidateBuffer(this->rect());
             repaint();
         }
diff --git a/tools/linguist/lupdate/main.cpp b/tools/linguist/lupdate/main.cpp
index 1715b79..6e3ab5c 100644
--- a/tools/linguist/lupdate/main.cpp
+++ b/tools/linguist/lupdate/main.cpp
@@ -651,6 +651,7 @@ int main(int argc, char **argv)
                     }
                 } else {
                     sourceFiles << QDir::cleanPath(fi.absoluteFilePath());;
+                    projectRoots.insert(fi.absolutePath() + QLatin1Char('/'));
                 }
             }
             numFiles++;
diff --git a/tools/linguist/lupdate/qscript.g b/tools/linguist/lupdate/qscript.g
index a07753c..857c58a 100644
--- a/tools/linguist/lupdate/qscript.g
+++ b/tools/linguist/lupdate/qscript.g
@@ -108,7 +108,7 @@ static void recordMessage(
         fileName, lineNo, QStringList(),
         TranslatorMessage::Unfinished, plural);
     msg.setExtraComment(extracomment.simplified());
-    tor->replace(msg);
+    tor->extend(msg);
 }
 
 
diff --git a/util/s60theme/main.cpp b/util/s60theme/main.cpp
index 7f38d5c..1234fd2 100644
--- a/util/s60theme/main.cpp
+++ b/util/s60theme/main.cpp
@@ -70,9 +70,9 @@ int main(int argc, char *argv[])
     const QFileInfo inputInfo(input);
     const QString output = QString::fromLatin1(argv[2]);
     if (inputInfo.isDir())
-        return S60ThemeConvert::convertDefaultThemeToBlob(input, output);
+        return S60ThemeConvert::convertDefaultThemeToBlob(input, output) ? 0 : 1;
     else if (inputInfo.suffix().compare(QString::fromLatin1("tdf"), Qt::CaseInsensitive) == 0)
-        return S60ThemeConvert::convertTdfToBlob(input, output);
+        return S60ThemeConvert::convertTdfToBlob(input, output) ? 0 : 1;
 
     return help();
 }
diff --git a/util/s60theme/s60themeconvert.cpp b/util/s60theme/s60themeconvert.cpp
index 7908055..b1e8022 100644
--- a/util/s60theme/s60themeconvert.cpp
+++ b/util/s60theme/s60themeconvert.cpp
@@ -45,6 +45,8 @@
 #include <QtWebKit>
 
 static const int pictureSize = 256;
+static const char* const msgPartNotInTdf = "  Warning: The .tdf file does not have a part for ";
+static const char* const msgSvgNotFound = "  Fatal: Could not find part .svg ";
 
 void dumpPartPictures(const QHash<QString, QPicture> &partPictures) {
     foreach (const QString &partKey, partPictures.keys()) {
@@ -84,6 +86,7 @@ private:
 WebKitSVGRenderer::WebKitSVGRenderer(QWidget *parent)
     : QWebView(parent)
 {
+
     connect(this, SIGNAL(loadFinished(bool)), SLOT(loadFinishedSlot(bool)));
     setFixedSize(pictureSize, pictureSize);
     QPalette pal = palette();
@@ -202,11 +205,19 @@ bool loadThemeFromTdf(const QString &tdfFile,
         return false;
     const QString tdfBasePath = QFileInfo(tdfFile).absolutePath();
     WebKitSVGRenderer renderer;
-    foreach(const QString& partKey, parsedPartSvgs.keys()) {
-        const QString tdfFullName =
-            tdfBasePath + QDir::separator() + parsedPartSvgs.value(partKey);
-        if (!QFile(tdfFullName).exists())
-            qWarning() << "Could not find part:" << parsedPartSvgs.value(partKey);
+    foreach (const QString &partKey, QS60Style::partKeys()) {
+        qDebug() << partKey;
+        QString tdfFullName;
+        if (parsedPartSvgs.contains(partKey)) {
+            tdfFullName = tdfBasePath + QDir::separator() + parsedPartSvgs.value(partKey);
+        } else {
+            qWarning() << msgPartNotInTdf << partKey;
+            tdfFullName = tdfBasePath + QDir::separator() + partKey + QLatin1String(".svg");
+        }
+        if (!QFile(tdfFullName).exists()) {
+            qWarning() << msgSvgNotFound << QDir::toNativeSeparators(tdfFullName);
+            return false;
+        }
         const QPicture partPicture = renderer.svgToQPicture(tdfFullName);
         parsedPartPictures.insert(partKey, partPicture);
     }
@@ -276,8 +287,8 @@ bool loadDefaultTheme(const QString &themePath,
         const QString partFileName = partKey + QLatin1String(".svg");		
         const QString partFile(dir.absolutePath() + QDir::separator() + partFileName);
         if (!QFile::exists(partFile)) {
-            qWarning() << "Could not find part:" << partFileName;
-            continue;
+            qWarning() << msgSvgNotFound << partFileName;
+            return false;
         }
         const QPicture partPicture = renderer.svgToQPicture(partFile);
         partPictures.insert(partKey, partPicture);