Merge branch '4.6'

Conflicts: examples/webkit/fancybrowser/main.cpp src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp tools/assistant/tools/assistant/bookmarkmanager.cpp
1 files changed, 0 insertions, 2 deletions
diff --git a/Doc/library/runpy.rst b/Doc/library/runpy.rst
index cfaab94..d476879 100644
--- a/Doc/library/runpy.rst
+++ b/Doc/library/runpy.rst
@@ -6,8 +6,6 @@
 .. moduleauthor:: Nick Coghlan <ncoghlan@gmail.com>
 
 
-.. versionadded:: 2.5
-
 The :mod:`runpy` module is used to locate and run Python modules without
 importing them first. Its main use is to implement the :option:`-m` command line
 switch that allows scripts to be located using the Python module namespace
diff --git a/src/3rdparty/easing/easing.cpp b/src/3rdparty/easing/easing.cpp
index 81af40f..7d70a4d 100644
--- a/src/3rdparty/easing/easing.cpp
+++ b/src/3rdparty/easing/easing.cpp
@@ -252,7 +252,7 @@ static qreal easeOutInQuint(qreal t)
  */
 static qreal easeInSine(qreal t)
 {
-    return (t == 1.0) ? 1.0 : -::cos(t * M_PI_2) + 1.0;
+    return (t == 1.0) ? 1.0 : -::qCos(t * M_PI_2) + 1.0;
 }
 
 /**
@@ -263,7 +263,7 @@ static qreal easeInSine(qreal t)
  */
 static qreal easeOutSine(qreal t)
 {
-    return ::sin(t* M_PI_2);
+    return ::qSin(t* M_PI_2);
 }
 
 /**
@@ -274,7 +274,7 @@ static qreal easeOutSine(qreal t)
  */
 static qreal easeInOutSine(qreal t)
 {
-    return -0.5 * (::cos(M_PI*t) - 1);
+    return -0.5 * (::qCos(M_PI*t) - 1);
 }
 
 /**
@@ -397,15 +397,15 @@ static qreal easeInElastic_helper(qreal t, qreal b, qreal c, qreal d, qreal a, q
     if (t_adj==1) return b+c;
 
     qreal s;
-    if(a < ::fabs(c)) {
+    if(a < ::qFabs(c)) {
         a = c;
         s = p / 4.0f;
     } else {
-        s = p / (2 * M_PI) * ::asin(c / a);
+        s = p / (2 * M_PI) * ::qAsin(c / a);
     }
 
     t_adj -= 1.0f;
-    return -(a*::qPow(2.0f,10*t_adj) * ::sin( (t_adj*d-s)*(2*M_PI)/p )) + b;
+    return -(a*::qPow(2.0f,10*t_adj) * ::qSin( (t_adj*d-s)*(2*M_PI)/p )) + b;
 }
 
 /**
@@ -431,10 +431,10 @@ static qreal easeOutElastic_helper(qreal t, qreal /*b*/, qreal c, qreal /*d*/, q
         a = c;
         s = p / 4.0f;
     } else {
-        s = p / (2 * M_PI) * ::asin(c / a);
+        s = p / (2 * M_PI) * ::qAsin(c / a);
     }
 
-    return (a*::qPow(2.0f,-10*t) * ::sin( (t-s)*(2*M_PI)/p ) + c);
+    return (a*::qPow(2.0f,-10*t) * ::qSin( (t-s)*(2*M_PI)/p ) + c);
 }
 
 /**
@@ -469,11 +469,11 @@ static qreal easeInOutElastic(qreal t, qreal a, qreal p)
         a = 1.0;
         s = p / 4.0f;
     } else {
-        s = p / (2 * M_PI) * ::asin(1.0 / a);
+        s = p / (2 * M_PI) * ::qAsin(1.0 / a);
     }
 
-    if (t < 1) return -.5*(a*::qPow(2.0f,10*(t-1)) * ::sin( (t-1-s)*(2*M_PI)/p ));
-    return a*::qPow(2.0f,-10*(t-1)) * ::sin( (t-1-s)*(2*M_PI)/p )*.5 + 1.0;
+    if (t < 1) return -.5*(a*::qPow(2.0f,10*(t-1)) * ::qSin( (t-1-s)*(2*M_PI)/p ));
+    return a*::qPow(2.0f,-10*(t-1)) * ::qSin( (t-1-s)*(2*M_PI)/p )*.5 + 1.0;
 }
 
 /**
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-hebrew.c b/src/3rdparty/harfbuzz/src/harfbuzz-hebrew.c
index 2bda386..67029be 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-hebrew.c
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-hebrew.c
@@ -56,8 +56,6 @@ HB_Bool HB_HebrewShape(HB_ShaperItem *shaper_item)
 
     assert(shaper_item->item.script == HB_Script_Hebrew);
 
-    HB_HeuristicSetGlyphAttributes(shaper_item);
-
 #ifndef NO_OPENTYPE
     if (HB_SelectScript(shaper_item, hebrew_features)) {
 
@@ -65,7 +63,7 @@ HB_Bool HB_HebrewShape(HB_ShaperItem *shaper_item)
         if (!HB_ConvertStringToGlyphIndices(shaper_item))
             return FALSE;
 
-
+        HB_HeuristicSetGlyphAttributes(shaper_item);
         HB_OpenTypeShape(shaper_item, /*properties*/0);
         return HB_OpenTypePosition(shaper_item, availableGlyphs, /*doLogClusters*/TRUE);
     }
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
index bfb03ab..bfc7bd4 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
@@ -980,6 +980,7 @@ HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc)
     HB_Stream gdefStream;
 
     gdefStream = getTableStream(font, tableFunc, TTAG_GDEF);
+    error = HB_Err_Not_Covered;
     if (!gdefStream || (error = HB_Load_GDEF_Table(gdefStream, &face->gdef))) {
         //DEBUG("error loading gdef table: %d", error);
         face->gdef = 0;
@@ -987,6 +988,7 @@ HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc)
 
     //DEBUG() << "trying to load gsub table";
     stream = getTableStream(font, tableFunc, TTAG_GSUB);
+    error = HB_Err_Not_Covered;
     if (!stream || (error = HB_Load_GSUB_Table(stream, &face->gsub, face->gdef, gdefStream))) {
         face->gsub = 0;
         if (error != HB_Err_Not_Covered) {
@@ -998,6 +1000,7 @@ HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc)
     _hb_close_stream(stream);
 
     stream = getTableStream(font, tableFunc, TTAG_GPOS);
+    error = HB_Err_Not_Covered;
     if (!stream || (error = HB_Load_GPOS_Table(stream, &face->gpos, face->gdef, gdefStream))) {
         face->gpos = 0;
         DEBUG("error loading gpos table: %d", error);
diff --git a/src/3rdparty/webkit/VERSION b/src/3rdparty/webkit/VERSION
index 62acbdf..e6813a1 100644
--- a/src/3rdparty/webkit/VERSION
+++ b/src/3rdparty/webkit/VERSION
@@ -8,4 +8,4 @@ The commit imported was from the
 
 and has the sha1 checksum
 
-        9de63cde0ac8aa08e207d4ffce2846df1a44a364
+        de77f8ee69c434bde9306c8f407ee2e443a00188
diff --git a/src/3rdparty/webkit/WebCore/ChangeLog b/src/3rdparty/webkit/WebCore/ChangeLog
index 4f6146f..c60a5d4 100644
--- a/src/3rdparty/webkit/WebCore/ChangeLog
+++ b/src/3rdparty/webkit/WebCore/ChangeLog
@@ -1,3 +1,16 @@
+2009-12-21  Andreas Kling  <andreas.kling@nokia.com>
+
+        Reviewed by Darin Adler.
+
+        Fix assertion failure when dragging an SVG image.
+        https://bugs.webkit.org/show_bug.cgi?id=32511
+
+        Test: fast/images/drag-svg-as-image.html
+
+        * svg/graphics/SVGImage.cpp:
+        (WebCore::SVGImage::filenameExtension): Return "svg"
+        * svg/graphics/SVGImage.h:
+
 2009-11-23  Simon Hausmann  <simon.hausmann@nokia.com>
 
         Reviewed by Kenneth Rohde Christiansen.
diff --git a/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.cpp b/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.cpp
index 0a506f8..b74e912 100644
--- a/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.cpp
+++ b/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.cpp
@@ -267,6 +267,11 @@ bool SVGImage::dataChanged(bool allDataReceived)
     return m_page;
 }
 
+String SVGImage::filenameExtension() const
+{
+    return "svg";
+}
+
 }
 
 #endif // ENABLE(SVG)
diff --git a/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.h b/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.h
index 2cea91a..0f05429 100644
--- a/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.h
+++ b/src/3rdparty/webkit/WebCore/svg/graphics/SVGImage.h
@@ -47,6 +47,8 @@ namespace WebCore {
     private:
         virtual ~SVGImage();
 
+        virtual String filenameExtension() const;
+
         virtual void setContainerSize(const IntSize&);
         virtual bool usesContainerSize() const;
         virtual bool hasRelativeWidth() const;
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebinspector.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebinspector.cpp
index f43cbbf..1145744 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebinspector.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebinspector.cpp
@@ -139,6 +139,9 @@ QSize QWebInspector::sizeHint() const
 /*! \reimp */
 bool QWebInspector::event(QEvent* ev)
 {
+    if (ev->type() == QEvent::Close && d->page)
+        d->page->d->inspectorController()->setWindowVisible(false);
+
     return QWidget::event(ev);
 }
 
@@ -159,8 +162,6 @@ void QWebInspector::showEvent(QShowEvent* event)
 /*! \reimp */
 void QWebInspector::hideEvent(QHideEvent* event)
 {
-    if (d->page)
-        d->page->d->inspectorController()->setWindowVisible(false);
 }
 
 /*! \internal */
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
index 1bdc3ed..35f6e0c 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
@@ -3080,7 +3080,7 @@ QString QWebPage::userAgentForUrl(const QUrl& url) const
     Q_UNUSED(url)
     QString ua = QLatin1String("Mozilla/5.0 ("
 
-    // Plastform
+    // Platform
 #ifdef Q_WS_MAC
     "Macintosh"
 #elif defined Q_WS_QWS
@@ -3089,19 +3089,22 @@ QString QWebPage::userAgentForUrl(const QUrl& url) const
     "Windows"
 #elif defined Q_WS_X11
     "X11"
+#elif defined Q_OS_SYMBIAN
+    "SymbianOS"
 #else
     "Unknown"
 #endif
-    "; "
+    // Placeholder for Platform Version
+    "%1; "
 
     // Placeholder for security strength (N or U)
-    "%1; "
+    "%2; "
 
     // Subplatform"
 #ifdef Q_OS_AIX
     "AIX"
 #elif defined Q_OS_WIN32
-    "%2"
+    "%3"
 #elif defined Q_OS_DARWIN
 #ifdef __i386__ || __x86_64__
     "Intel Mac OS X"
@@ -3153,6 +3156,8 @@ QString QWebPage::userAgentForUrl(const QUrl& url) const
     "Sun Solaris"
 #elif defined Q_OS_ULTRIX
     "DEC Ultrix"
+#elif defined Q_WS_S60
+    "Series60"
 #elif defined Q_OS_UNIX
     "UNIX BSD/SYSV system"
 #elif defined Q_OS_UNIXWARE
@@ -3160,7 +3165,28 @@ QString QWebPage::userAgentForUrl(const QUrl& url) const
 #else
     "Unknown"
 #endif
-    "; ");
+    // Placeholder for SubPlatform Version
+    "%4; ");
+
+    // Platform Version
+    QString osVer;
+#ifdef Q_OS_SYMBIAN
+    QSysInfo::SymbianVersion symbianVersion = QSysInfo::symbianVersion();
+    switch (symbianVersion) {
+    case QSysInfo::SV_9_2:
+        osVer = "/9.2";
+        break;
+    case QSysInfo::SV_9_3:
+        osVer = "/9.3";
+        break;
+    case QSysInfo::SV_9_4:
+        osVer = "/9.4";
+        break;
+    default: 
+        osVer = "Unknown";
+    }
+#endif
+    ua = ua.arg(osVer);
 
     QChar securityStrength(QLatin1Char('N'));
 #if !defined(QT_NO_OPENSSL)
@@ -3224,6 +3250,26 @@ QString QWebPage::userAgentForUrl(const QUrl& url) const
     ua = QString(ua).arg(ver);
 #endif
 
+    // SubPlatform Version
+    QString subPlatformVer;
+#ifdef Q_OS_SYMBIAN
+    QSysInfo::S60Version s60Version = QSysInfo::s60Version();
+    switch (s60Version) {
+    case QSysInfo::SV_S60_3_1:
+        subPlatformVer = "/3.1";
+        break;
+    case QSysInfo::SV_S60_3_2:
+        subPlatformVer = "/3.2";
+        break;
+    case QSysInfo::SV_S60_5_0:
+        subPlatformVer = "/5.0";
+        break;
+    default: 
+        subPlatformVer = " Unknown";
+    }
+#endif
+    ua = ua.arg(subPlatformVer);
+
     // Language
     QLocale locale;
     if (view())
@@ -3407,9 +3453,9 @@ quint64 QWebPage::bytesReceived() const
 /*!
     \fn void QWebPage::unsupportedContent(QNetworkReply *reply)
 
-    This signals is emitted when webkit cannot handle a link the user navigated to.
+    This signal is emitted when WebKit cannot handle a link the user navigated to.
 
-    At signal emissions time the meta data of the QNetworkReply \a reply is available.
+    At signal emission time the meta-data of the QNetworkReply \a reply is available.
 
     \note This signal is only emitted if the forwardUnsupportedContent property is set to true.
 
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebview.h b/src/3rdparty/webkit/WebKit/qt/Api/qwebview.h
index e9c1ec8..0f79c70 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebview.h
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebview.h
@@ -51,12 +51,7 @@ class QWEBKIT_EXPORT QWebView : public QWidget {
     Q_PROPERTY(qreal textSizeMultiplier READ textSizeMultiplier WRITE setTextSizeMultiplier DESIGNABLE false)
     Q_PROPERTY(qreal zoomFactor READ zoomFactor WRITE setZoomFactor)
 
-// FIXME: temporary work around for elftran issue that it couldn't find the QPainter::staticMetaObject
-// symbol from Qt lib; it should be reverted after the right symbol is exported.  
-// See bug: http://qt.nokia.com/developer/task-tracker/index_html?method=entry&id=258893
-#if defined(Q_QDOC) || !defined(Q_OS_SYMBIAN)
     Q_PROPERTY(QPainter::RenderHints renderHints READ renderHints WRITE setRenderHints)
-#endif
     Q_FLAGS(QPainter::RenderHints)
 public:
     explicit QWebView(QWidget* parent = 0);
diff --git a/src/3rdparty/webkit/WebKit/qt/ChangeLog b/src/3rdparty/webkit/WebKit/qt/ChangeLog
index 2f0bf17..37d527fa 100644
--- a/src/3rdparty/webkit/WebKit/qt/ChangeLog
+++ b/src/3rdparty/webkit/WebKit/qt/ChangeLog
@@ -1,3 +1,53 @@
+2009-12-21  David Boddie  <dboddie@trolltech.com>
+
+        Reviewed by Simon Hausmann.
+
+        Doc: Minor fixes to language.
+
+        * Api/qwebpage.cpp:
+
+2009-12-15  Holger Hans Peter Freyther  <zecke@selfish.org>
+
+        Reviewed by NOBODY (OOPS!).
+
+        [Qt] Do not disable the inspector on show and hide
+        https://bugs.webkit.org/show_bug.cgi?id=31851
+
+        On Qt/X11 with some window managers the window will be
+        hidden when switching windows. In this case all the results
+        are gone when coming back to the window.
+
+        Attempt to use the CloseEvent to figure out if the window
+        was closed and withdrawn as this is more friendly to the
+        user of the inspector client.
+
+        * Api/qwebinspector.cpp:
+        (QWebInspector::event):
+        (QWebInspector::hideEvent):
+
+2009-12-13  Simon Hausmann  <hausmann@webkit.org>
+
+        Reviewed by Holger Freyther.
+
+        [Qt] Re-enable QWebView::renderHints property for Qt for Symbian
+
+        https://bugs.webkit.org/show_bug.cgi?id=28273
+
+        The bug in Qt's moc that triggered a linking error when declaring this
+        property has been fixed and we can remove the workaround.
+
+        * Api/qwebview.h:
+
+2009-11-30  Abhinav Mithal  <abhinav.mithal@nokia.com>
+
+        Reviewed by Simon Hausmann.
+
+        [Qt][Symbian] Report SymbianOS in user agent string for Symbian
+        https://bugs.webkit.org/show_bug.cgi?id=31961
+
+        * Api/qwebpage.cpp:
+        (QWebPage::userAgentForUrl):
+
 2009-11-28  Simon Hausmann  <simon.hausmann@nokia.com>
 
         Reviewed by Kenneth Rohde Christiansen.
diff --git a/src/activeqt/container/qaxbase.cpp b/src/activeqt/container/qaxbase.cpp
index 3795f56..ed7ac29 100644
--- a/src/activeqt/container/qaxbase.cpp
+++ b/src/activeqt/container/qaxbase.cpp
@@ -909,7 +909,7 @@ QAxMetaObject *QAxBase::internalMetaObject() const
     \property QAxBase::control
     \brief the name of the COM object wrapped by this QAxBase object.
 
-    Setting this property initilializes the COM object. Any COM object
+    Setting this property initializes the COM object. Any COM object
     previously set is shut down.
 
     The most efficient way to set this property is by using the
diff --git a/src/corelib/concurrent/qtconcurrentiteratekernel.cpp b/src/corelib/concurrent/qtconcurrentiteratekernel.cpp
index 15b8ecd..e93394f 100644
--- a/src/corelib/concurrent/qtconcurrentiteratekernel.cpp
+++ b/src/corelib/concurrent/qtconcurrentiteratekernel.cpp
@@ -46,6 +46,9 @@
 #include <mach/mach_time.h>
 #include <unistd.h>
 #elif defined(Q_OS_UNIX)
+#if defined(Q_OS_HURD)
+#include <sys/time.h>
+#endif
 #include <time.h>
 #include <unistd.h>
 #elif defined(Q_OS_WIN)
diff --git a/src/corelib/io/qdebug.h b/src/corelib/io/qdebug.h
index ff8c6c8..c1c7812 100644
--- a/src/corelib/io/qdebug.h
+++ b/src/corelib/io/qdebug.h
@@ -93,7 +93,7 @@ public:
     inline QDebug &maybeSpace() { if (stream->space) stream->ts << ' '; return *this; }
 
     inline QDebug &operator<<(QChar t) { stream->ts << '\'' << t << '\''; return maybeSpace(); }
-    inline QDebug &operator<<(QBool t) { stream->ts << (bool(t) ? "true" : "false"); return maybeSpace(); }
+    inline QDebug &operator<<(QBool t) { stream->ts << (bool(t != 0) ? "true" : "false"); return maybeSpace(); }
     inline QDebug &operator<<(bool t) { stream->ts << (t ? "true" : "false"); return maybeSpace(); }
     inline QDebug &operator<<(char t) { stream->ts << t; return maybeSpace(); }
     inline QDebug &operator<<(signed short t) { stream->ts << t; return maybeSpace(); }
diff --git a/src/corelib/io/qfileinfo.cpp b/src/corelib/io/qfileinfo.cpp
index 61081a1..0a435b9 100644
--- a/src/corelib/io/qfileinfo.cpp
+++ b/src/corelib/io/qfileinfo.cpp
@@ -573,6 +573,8 @@ QString QFileInfo::canonicalFilePath() const
 QString QFileInfo::absolutePath() const
 {
     Q_D(const QFileInfo);
+    if (d->data->fileName.isEmpty())
+        qWarning("QFileInfo::absolutePath: Constructed with empty filename");
     if(!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::AbsolutePathName);
diff --git a/src/corelib/io/qresource.cpp b/src/corelib/io/qresource.cpp
index 5c543d4..a061ad1 100644
--- a/src/corelib/io/qresource.cpp
+++ b/src/corelib/io/qresource.cpp
@@ -273,7 +273,7 @@ QResourcePrivate::load(const QString &file)
     QString cleaned = cleanPath(file);
     for(int i = 0; i < list->size(); ++i) {
         QResourceRoot *res = list->at(i);
-        const int node = res->findNode(cleaned);
+        const int node = res->findNode(cleaned, locale);
         if(node != -1) {
             if(related.isEmpty()) {
                 container = res->isContainer(node);
diff --git a/src/corelib/io/qtextstream.cpp b/src/corelib/io/qtextstream.cpp
index 594718e..47f340c 100644
--- a/src/corelib/io/qtextstream.cpp
+++ b/src/corelib/io/qtextstream.cpp
@@ -440,7 +440,7 @@ QTextStreamPrivate::QTextStreamPrivate(QTextStream *q_ptr)
     readConverterSavedState(0),
 #endif
     readConverterSavedStateOffset(0),
-    locale(QLocale::C)
+    locale(QLocale::c())
 {
     this->q_ptr = q_ptr;
     reset();
@@ -1806,8 +1806,7 @@ QTextStreamPrivate::NumberParsingStatus QTextStreamPrivate::getNumber(qulonglong
             if (ch.isDigit()) {
                 val *= 10;
                 val += ch.digitValue();
-            } else if (locale.language() != QLocale::C
-                       && ch == locale.groupSeparator()) {
+            } else if (locale != QLocale::c() && ch == locale.groupSeparator()) {
                 continue;
             } else {
                 ungetChar(ch);
@@ -1958,7 +1957,7 @@ bool QTextStreamPrivate::getReal(double *f)
             else if (lc == locale.negativeSign().toLower()
                      || lc == locale.positiveSign().toLower())
                 input = InputSign;
-            else if (locale.language() != QLocale::C // backward-compatibility
+            else if (locale != QLocale::c() // backward-compatibility
                      && lc == locale.groupSeparator().toLower())
                 input = InputDigit; // well, it isn't a digit, but no one cares.
             else
@@ -2283,7 +2282,7 @@ bool QTextStreamPrivate::putNumber(qulonglong number, bool negative)
 
     // add thousands group separators. For backward compatibility we
     // don't add a group separator for C locale.
-    if (locale.language() != QLocale::C)
+    if (locale != QLocale::c())
         flags |= QLocalePrivate::ThousandsGroup;
 
     const QLocalePrivate *dd = locale.d();
diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
index 665b73e..16871c3 100644
--- a/src/corelib/kernel/qeventdispatcher_glib.cpp
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -341,6 +341,11 @@ QEventDispatcherGlibPrivate::QEventDispatcherGlibPrivate(GMainContext *context)
     g_source_attach(&idleTimerSource->source, mainContext);
 }
 
+void QEventDispatcherGlibPrivate::runTimersOnceWithNormalPriority()
+{
+    timerSource->runWithIdlePriority = false;
+}
+
 QEventDispatcherGlib::QEventDispatcherGlib(QObject *parent)
     : QAbstractEventDispatcher(*(new QEventDispatcherGlibPrivate), parent)
 {
diff --git a/src/corelib/kernel/qeventdispatcher_glib_p.h b/src/corelib/kernel/qeventdispatcher_glib_p.h
index 6a4e726..57cbf94 100644
--- a/src/corelib/kernel/qeventdispatcher_glib_p.h
+++ b/src/corelib/kernel/qeventdispatcher_glib_p.h
@@ -110,6 +110,8 @@ public:
     GSocketNotifierSource *socketNotifierSource;
     GTimerSource *timerSource;
     GIdleTimerSource *idleTimerSource;
+
+    void runTimersOnceWithNormalPriority();
 };
 
 QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qmath.h b/src/corelib/kernel/qmath.h
index 820f424..16e6bb7 100644
--- a/src/corelib/kernel/qmath.h
+++ b/src/corelib/kernel/qmath.h
@@ -46,6 +46,10 @@
 
 #include <QtCore/qglobal.h>
 
+#ifdef Q_OS_SYMBIAN
+#    include <e32math.h>
+#endif
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
@@ -88,82 +92,130 @@ inline qreal qFabs(qreal v)
 
 inline qreal qSin(qreal v)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if (sizeof(qreal) == sizeof(float))
-        return sinf(float(v));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal sin_v;
+    Math::Sin(sin_v, static_cast<TReal>(v));
+    return static_cast<qreal>(sin_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if (sizeof(qreal) == sizeof(float))
+            return sinf(float(v));
+        else
+#    endif
+            return sin(v);
 #endif
-        return sin(v);
 }
 
 inline qreal qCos(qreal v)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if (sizeof(qreal) == sizeof(float))
-        return cosf(float(v));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal cos_v;
+    Math::Cos(cos_v, static_cast<TReal>(v));
+    return static_cast<qreal>(cos_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if (sizeof(qreal) == sizeof(float))
+            return cosf(float(v));
+        else
+#    endif
+            return cos(v);
 #endif
-        return cos(v);
 }
 
 inline qreal qTan(qreal v)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if (sizeof(qreal) == sizeof(float))
-        return tanf(float(v));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal tan_v;
+    Math::Tan(tan_v, static_cast<TReal>(v));
+    return static_cast<qreal>(tan_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if (sizeof(qreal) == sizeof(float))
+            return tanf(float(v));
+        else
+#    endif
+            return tan(v);
 #endif
-        return tan(v);
 }
 
 inline qreal qAcos(qreal v)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if (sizeof(qreal) == sizeof(float))
-        return acosf(float(v));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal acos_v;
+    Math::ACos(acos_v, static_cast<TReal>(v));
+    return static_cast<qreal>(acos_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if (sizeof(qreal) == sizeof(float))
+            return acosf(float(v));
+        else
+#    endif
+           return acos(v);
 #endif
-        return acos(v);
 }
 
 inline qreal qAsin(qreal v)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if (sizeof(qreal) == sizeof(float))
-        return asinf(float(v));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal asin_v;
+    Math::ASin(asin_v, static_cast<TReal>(v));
+    return static_cast<qreal>(asin_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if (sizeof(qreal) == sizeof(float))
+            return asinf(float(v));
+        else
+#    endif
+            return asin(v);
 #endif
-        return asin(v);
 }
 
 inline qreal qAtan(qreal v)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if(sizeof(qreal) == sizeof(float))
-        return atanf(float(v));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal atan_v;
+    Math::ATan(atan_v, static_cast<TReal>(v));
+    return static_cast<qreal>(atan_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if(sizeof(qreal) == sizeof(float))
+            return atanf(float(v));
+        else
+#    endif
+            return atan(v);
 #endif
-        return atan(v);
 }
 
 inline qreal qAtan2(qreal x, qreal y)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if(sizeof(qreal) == sizeof(float))
-        return atan2f(float(x), float(y));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal atan2_v;
+    Math::ATan(atan2_v, static_cast<TReal>(x), static_cast<TReal>(y));
+    return static_cast<qreal>(atan2_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if(sizeof(qreal) == sizeof(float))
+            return atan2f(float(x), float(y));
+        else
+#    endif
+            return atan2(x, y);
 #endif
-        return atan2(x, y);
 }
 
 inline qreal qSqrt(qreal v)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if (sizeof(qreal) == sizeof(float))
-        return sqrtf(float(v));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal sqrt_v;
+    Math::Sqrt(sqrt_v, static_cast<TReal>(v));
+    return static_cast<qreal>(sqrt_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if (sizeof(qreal) == sizeof(float))
+            return sqrtf(float(v));
+        else
+#    endif
+            return sqrt(v);
 #endif
-        return sqrt(v);
 }
 
 inline qreal qLn(qreal v)
@@ -178,19 +230,31 @@ inline qreal qLn(qreal v)
 
 inline qreal qExp(qreal v)
 {
+#ifdef Q_OS_SYMBIAN
+    TReal exp_v;
+    Math::Exp(exp_v, static_cast<TReal>(v));
+    return static_cast<qreal>(exp_v);
+#else
     // only one signature
     // exists, exp(double)
     return exp(v);
+#endif
 }
 
 inline qreal qPow(qreal x, qreal y)
 {
-#ifdef QT_USE_MATH_H_FLOATS
-    if (sizeof(qreal) == sizeof(float))
-        return powf(float(x), float(y));
-    else
+#ifdef Q_OS_SYMBIAN
+    TReal pow_v;
+    Math::Pow(pow_v, static_cast<TReal>(x), static_cast<TReal>(y));
+    return static_cast<qreal>(pow_v);
+#else
+#    ifdef QT_USE_MATH_H_FLOATS
+        if (sizeof(qreal) == sizeof(float))
+            return powf(float(x), float(y));
+        else
+#    endif
+            return pow(x, y);
 #endif
-        return pow(x, y);
 }
 
 #ifndef M_PI
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp
index a29f4d2..98e554f 100644
--- a/src/corelib/kernel/qmetaobject.cpp
+++ b/src/corelib/kernel/qmetaobject.cpp
@@ -2676,6 +2676,7 @@ const char* QMetaClassInfo::value() const
  */
 int QMetaObjectPrivate::originalClone(const QMetaObject *mobj, int local_method_index)
 {
+    Q_ASSERT(local_method_index < get(mobj)->methodCount);
     int handle = get(mobj)->methodData + 5 * local_method_index;
     while (mobj->d.data[handle + 4] & MethodCloned) {
         Q_ASSERT(local_method_index > 0);
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index c8b11d6..fed333f 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -578,12 +578,13 @@ int QMetaCallEvent::placeMetaCall(QObject *object)
     protected functions connectNotify() and disconnectNotify() make
     it possible to track connections.
 
-    QObjects organize themselves in object trees. When you create a
-    QObject with another object as parent, the object will
-    automatically add itself to the parent's children() list. The
-    parent takes ownership of the object; i.e., it will automatically
-    delete its children in its destructor. You can look for an object
-    by name and optionally type using findChild() or findChildren().
+    QObjects organize themselves in \l {Object Trees and Object
+    Ownership} {object trees}. When you create a QObject with another
+    object as parent, the object will automatically add itself to the
+    parent's children() list. The parent takes ownership of the
+    object; i.e., it will automatically delete its children in its
+    destructor. You can look for an object by name and optionally type
+    using findChild() or findChildren().
 
     Every object has an objectName() and its class name can be found
     via the corresponding metaObject() (see QMetaObject::className()).
@@ -682,7 +683,7 @@ int QMetaCallEvent::placeMetaCall(QObject *object)
     \l{Writing Source Code for Translation} document.
 
     \sa QMetaObject, QPointer, QObjectCleanupHandler, Q_DISABLE_COPY()
-        {Object Trees and Object Ownership}
+    \sa {Object Trees and Object Ownership}
 */
 
 /*!
@@ -2864,6 +2865,27 @@ void QObject::disconnectNotify(const char *)
 {
 }
 
+/* \internal
+    convert a signal index from the method range to the signal range
+ */
+static int methodIndexToSignalIndex(const QMetaObject *metaObject, int signal_index)
+{
+    if (signal_index < 0)
+        return signal_index;
+    while (metaObject && metaObject->methodOffset() > signal_index)
+        metaObject = metaObject->superClass();
+
+    if (metaObject) {
+        int signalOffset, methodOffset;
+        computeOffsets(metaObject, &signalOffset, &methodOffset);
+        if (signal_index < metaObject->methodCount())
+            signal_index = QMetaObjectPrivate::originalClone(metaObject, signal_index - methodOffset) + signalOffset;
+        else
+            signal_index = signal_index - methodOffset + signalOffset;
+    }
+    return signal_index;
+}
+
 /*!\internal
    \a types is a 0-terminated vector of meta types for queued
    connections.
@@ -2874,16 +2896,7 @@ void QObject::disconnectNotify(const char *)
 bool QMetaObject::connect(const QObject *sender, int signal_index,
                           const QObject *receiver, int method_index, int type, int *types)
 {
-    if (signal_index > 0) {
-        const QMetaObject *mo = sender->metaObject();
-        while (mo && mo->methodOffset() > signal_index)
-            mo = mo->superClass();
-        if (mo) {
-            int signalOffset, methodOffset;
-            computeOffsets(mo, &signalOffset, &methodOffset);
-            signal_index = QMetaObjectPrivate::originalClone(mo, signal_index - methodOffset) + signalOffset;
-        }
-    }
+    signal_index = methodIndexToSignalIndex(sender->metaObject(), signal_index);
     return QMetaObjectPrivate::connect(sender, signal_index,
                                        receiver, method_index, type, types);
 }
@@ -2952,16 +2965,7 @@ bool QMetaObjectPrivate::connect(const QObject *sender, int signal_index,
 bool QMetaObject::disconnect(const QObject *sender, int signal_index,
                              const QObject *receiver, int method_index)
 {
-    if (signal_index > 0) {
-        const QMetaObject *mo = sender->metaObject();
-        while (mo && mo->methodOffset() > signal_index)
-            mo = mo->superClass();
-        if (mo) {
-            int signalOffset, methodOffset;
-            computeOffsets(mo, &signalOffset, &methodOffset);
-            signal_index = QMetaObjectPrivate::originalClone(mo, signal_index - methodOffset) + signalOffset;
-        }
-    }
+    signal_index = methodIndexToSignalIndex(sender->metaObject(), signal_index);
     return QMetaObjectPrivate::disconnect(sender, signal_index,
                                           receiver, method_index);
 }
diff --git a/src/corelib/thread/qthread_p.h b/src/corelib/thread/qthread_p.h
index af68434..3db308f 100644
--- a/src/corelib/thread/qthread_p.h
+++ b/src/corelib/thread/qthread_p.h
@@ -202,7 +202,7 @@ public:
     QStack<QEventLoop *> eventLoops;
     QPostEventList postEventList;
     bool canWait;
-    QMap<int, void *> tls;
+    QVector<void *> tls;
 
     QMutex mutex;
 
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index 21b5e65..0309c67 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -74,6 +74,10 @@
 #  endif
 #endif
 
+#ifdef Q_OS_HPUX
+#include <sys/pstat.h>
+#endif
+
 #if defined(Q_OS_MAC)
 # ifdef qDebug
 #   define old_qDebug qDebug
diff --git a/src/corelib/thread/qthreadstorage.cpp b/src/corelib/thread/qthreadstorage.cpp
index 8b1f255..a7d53d0 100644
--- a/src/corelib/thread/qthreadstorage.cpp
+++ b/src/corelib/thread/qthreadstorage.cpp
@@ -71,27 +71,32 @@ void qtsDebug(const char *fmt, ...)
 #  define DEBUG_MSG if(false)qDebug
 #endif
 
-static QBasicAtomicInt idCounter = Q_BASIC_ATOMIC_INITIALIZER(INT_MAX);
 Q_GLOBAL_STATIC(QMutex, mutex)
-typedef QMap<int, void (*)(void *)> DestructorMap;
+typedef QVector<void (*)(void *)> DestructorMap;
 Q_GLOBAL_STATIC(DestructorMap, destructors)
 
 QThreadStorageData::QThreadStorageData(void (*func)(void *))
-    : id(idCounter.fetchAndAddRelaxed(-1))
 {
     QMutexLocker locker(mutex());
-    destructors()->insert(id, func);
-
+    DestructorMap *destr = destructors();
+    for (id = 0; id < destr->count(); id++) {
+        if (destr->at(id) == 0)
+            break;
+    }
+    if (id == destr->count()) {
+        destr->append(func);
+    } else {
+        (*destr)[id] = func;
+    }
     DEBUG_MSG("QThreadStorageData: Allocated id %d, destructor %p", id, func);
 }
 
 QThreadStorageData::~QThreadStorageData()
 {
+    DEBUG_MSG("QThreadStorageData: Released id %d", id);
     QMutexLocker locker(mutex());
     if (destructors())
-        destructors()->remove(id);
-
-    DEBUG_MSG("QThreadStorageData: Released id %d", id);
+        (*destructors())[id] = 0;
 }
 
 void **QThreadStorageData::get() const
@@ -101,14 +106,17 @@ void **QThreadStorageData::get() const
         qWarning("QThreadStorage::get: QThreadStorage can only be used with threads started with QThread");
         return 0;
     }
-    QMap<int, void *>::const_iterator it = data->tls.constFind(id);
+    QVector<void *> &tls = data->tls;
+    if (tls.size() <= id)
+        tls.resize(id + 1);
+    void **v = &tls[id];
+
     DEBUG_MSG("QThreadStorageData: Returning storage %d, data %p, for thread %p",
           id,
-          it != data->tls.end() ? it.value() : 0,
+          *v,
           data->thread);
-    // const_cast below is a bit evil - but we have to make sure not to detach here
-    // otherwise we'll go bonkers in oom situations
-    return it != data->tls.constEnd() && it.value() != 0 ? const_cast<void **>(&it.value()) : 0;
+
+    return *v ? v : 0;
 }
 
 void **QThreadStorageData::set(void *p)
@@ -118,51 +126,46 @@ void **QThreadStorageData::set(void *p)
         qWarning("QThreadStorage::set: QThreadStorage can only be used with threads started with QThread");
         return 0;
     }
+    QVector<void *> &tls = data->tls;
+    if (tls.size() <= id)
+        tls.resize(id + 1);
+
+    void *&value = tls[id];
+    // delete any previous data
+    if (value != 0) {
+        DEBUG_MSG("QThreadStorageData: Deleting previous storage %d, data %p, for thread %p",
+                id,
+                value,
+                data->thread);
 
-    QMap<int, void *>::iterator it = data->tls.find(id);
-    if (it != data->tls.end()) {
-        // delete any previous data
-        if (it.value() != 0) {
-            DEBUG_MSG("QThreadStorageData: Deleting previous storage %d, data %p, for thread %p",
-                  id,
-                  it.value(),
-                  data->thread);
-
-            void *q = it.value();
-            it.value() = 0;
-
-            QMutexLocker locker(mutex());
-            void (*destructor)(void *) = destructors()->value(id);
-            locker.unlock();
+        QMutexLocker locker(mutex());
+        void (*destructor)(void *) = destructors()->value(id);
+        locker.unlock();
 
-            destructor(q);
-        }
+        void *q = value;
+        value = 0;
 
-        // store new data
-        it.value() = p;
-        DEBUG_MSG("QThreadStorageData: Set storage %d for thread %p to %p", id, data->thread, p);
-    } else {
-        it = data->tls.insert(id, p);
-        DEBUG_MSG("QThreadStorageData: Inserted storage %d, data %p, for thread %p", id, p, data->thread);
+        destructor(q);
     }
 
-    return &it.value();
+    // store new data
+    value = p;
+    DEBUG_MSG("QThreadStorageData: Set storage %d for thread %p to %p", id, data->thread, p);
+    return &value;
 }
 
 void QThreadStorageData::finish(void **p)
 {
-    QMap<int, void *> *tls = reinterpret_cast<QMap<int, void *> *>(p);
+    QVector<void *> *tls = reinterpret_cast<QVector<void *> *>(p);
     if (!tls || tls->isEmpty() || !mutex())
         return; // nothing to do
 
     DEBUG_MSG("QThreadStorageData: Destroying storage for thread %p", QThread::currentThread());
 
-    QMap<int, void *>::iterator it = tls->begin();
-    while (it != tls->end()) {
-        int id = it.key();
-        void *q = it.value();
-        it.value() = 0;
-        ++it;
+    for(int i = tls->size() - 1; i >= 0; i--) {
+        void *&value = (*tls)[i];
+        void *q = value;
+        value = 0;
 
         if (!q) {
             // data already deleted
@@ -170,16 +173,16 @@ void QThreadStorageData::finish(void **p)
         }
 
         QMutexLocker locker(mutex());
-        void (*destructor)(void *) = destructors()->value(id);
+        void (*destructor)(void *) = destructors()->value(i);
         locker.unlock();
 
         if (!destructor) {
             if (QThread::currentThread())
                 qWarning("QThreadStorage: Thread %p exited after QThreadStorage %d destroyed",
-                         QThread::currentThread(), id);
+                         QThread::currentThread(), i);
             continue;
         }
-        destructor(q);
+        destructor(q); //crash here might mean the thread exited after qthreadstorage was destroyed
     }
     tls->clear();
 }
diff --git a/src/corelib/tools/qline.cpp b/src/corelib/tools/qline.cpp
index d0afb7a..8112757 100644
--- a/src/corelib/tools/qline.cpp
+++ b/src/corelib/tools/qline.cpp
@@ -574,7 +574,7 @@ qreal QLineF::angle() const
     const qreal dx = pt2.x() - pt1.x();
     const qreal dy = pt2.y() - pt1.y();
 
-    const qreal theta = atan2(-dy, dx) * 360.0 / M_2PI;
+    const qreal theta = qAtan2(-dy, dx) * 360.0 / M_2PI;
 
     const qreal theta_normalized = theta < 0 ? theta + 360 : theta;
 
@@ -814,7 +814,7 @@ qreal QLineF::angle(const QLineF &l) const
     qreal cos_line = (dx()*l.dx() + dy()*l.dy()) / (length()*l.length());
     qreal rad = 0;
     // only accept cos_line in the range [-1,1], if it is outside, use 0 (we return 0 rather than PI for those cases)
-    if (cos_line >= -1.0 && cos_line <= 1.0) rad = acos( cos_line );
+    if (cos_line >= -1.0 && cos_line <= 1.0) rad = qAcos( cos_line );
     return rad * 360 / M_2PI;
 }
 
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index c2280c6..3a5de2d 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -1187,14 +1187,14 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
     }
     case DateFormatLong:
     case DateFormatShort:
-        return macToQtFormat(getMacDateFormat(type == DateFormatShort
+        return getMacDateFormat(type == DateFormatShort
                                 ? kCFDateFormatterShortStyle
-                                : kCFDateFormatterLongStyle));
+                                : kCFDateFormatterLongStyle);
     case TimeFormatLong:
     case TimeFormatShort:
-        return macToQtFormat(getMacTimeFormat(type == TimeFormatShort
+        return getMacTimeFormat(type == TimeFormatShort
                                 ? kCFDateFormatterShortStyle
-                                : kCFDateFormatterLongStyle));
+                                : kCFDateFormatterLongStyle);
     case DayNameLong:
     case DayNameShort:
         return macDayName(in.toInt(), (type == DayNameShort));
diff --git a/src/dbus/qdbuspendingcall.cpp b/src/dbus/qdbuspendingcall.cpp
index ef50b04..9c768ed 100644
--- a/src/dbus/qdbuspendingcall.cpp
+++ b/src/dbus/qdbuspendingcall.cpp
@@ -310,7 +310,7 @@ QDBusPendingCall &QDBusPendingCall::operator=(const QDBusPendingCall &other)
 
 bool QDBusPendingCall::isFinished() const
 {
-    return d && (d->replyMessage.type() != QDBusMessage::InvalidMessage);
+    return !d || (d->replyMessage.type() != QDBusMessage::InvalidMessage);
 }
 
 void QDBusPendingCall::waitForFinished()
diff --git a/src/dbus/qdbuspendingreply.h b/src/dbus/qdbuspendingreply.h
index b7f54e4..4f90c98 100644
--- a/src/dbus/qdbuspendingreply.h
+++ b/src/dbus/qdbuspendingreply.h
@@ -188,6 +188,7 @@ public:
 private:
     inline void calculateMetaTypes()
     {
+        if (!d) return;
         int typeIds[Count > 0 ? Count : 1]; // use at least one since zero-sized arrays aren't valid
         ForEach::fillMetaTypes(typeIds);
         setMetaTypes(Count, typeIds);
diff --git a/src/gui/dialogs/qcolordialog_mac.mm b/src/gui/dialogs/qcolordialog_mac.mm
index 53d2e1e..5753954 100644
--- a/src/gui/dialogs/qcolordialog_mac.mm
+++ b/src/gui/dialogs/qcolordialog_mac.mm
@@ -79,6 +79,7 @@ QT_USE_NAMESPACE
     BOOL mHackedPanel;
     NSInteger mResultCode;
     BOOL mDialogIsExecuting;
+    BOOL mResultSet;
 }
 - (id)initWithColorPanel:(NSColorPanel *)panel
        stolenContentView:(NSView *)stolenContentView
@@ -116,6 +117,7 @@ QT_USE_NAMESPACE
     mHackedPanel = (okButton != 0);
     mResultCode = NSCancelButton;
     mDialogIsExecuting = false;
+    mResultSet = false;
 
     if (mHackedPanel) {
         [self relayout];
@@ -159,11 +161,13 @@ QT_USE_NAMESPACE
 - (BOOL)windowShouldClose:(id)window
 {
     Q_UNUSED(window);
-    if (mHackedPanel) {
-        [self onCancelClicked];
-    } else {
+    if (!mHackedPanel)
         [self updateQtColor];
+    if (mDialogIsExecuting) {
         [self finishOffWithCode:NSCancelButton];
+    } else {
+        mResultSet = true;
+        mPriv->colorDialog()->reject();
     }
     return true;
 }
@@ -240,11 +244,12 @@ QT_USE_NAMESPACE
 
 - (void)onCancelClicked
 {
-    Q_ASSERT(mHackedPanel);
-    [[mStolenContentView window] close];
-    delete mQtColor;
-    mQtColor = new QColor();
-    [self finishOffWithCode:NSCancelButton];
+    if (mHackedPanel) {
+        [[mStolenContentView window] close];
+        delete mQtColor;
+        mQtColor = new QColor();
+        [self finishOffWithCode:NSCancelButton];
+    }
 }
 
 - (void)updateQtColor
@@ -306,10 +311,16 @@ QT_USE_NAMESPACE
     } else {
         // Since we are not in a modal event loop, we can safely close
         // down QColorDialog
-        if (mResultCode == NSCancelButton)
-            mPriv->colorDialog()->reject();
-        else
-            mPriv->colorDialog()->accept();
+        // Calling accept() or reject() can in turn call closeCocoaColorPanel.
+        // This check will prevent any such recursion.
+        if (!mResultSet) {
+            mResultSet = true;
+            if (mResultCode == NSCancelButton) {
+                mPriv->colorDialog()->reject();
+            } else {
+                mPriv->colorDialog()->accept();
+            }
+        }
     }
 }
 
diff --git a/src/gui/dialogs/qfontdialog_mac.mm b/src/gui/dialogs/qfontdialog_mac.mm
index 0c467cd..31bab2b 100644
--- a/src/gui/dialogs/qfontdialog_mac.mm
+++ b/src/gui/dialogs/qfontdialog_mac.mm
@@ -394,7 +394,9 @@ static QFont qfontForCocoaFont(NSFont *cocoaFont, const QFont &resolveFont)
     }
     [mFontPanel setDelegate:nil];
     [[NSFontManager sharedFontManager] setDelegate:nil];
+#ifdef QT_MAC_USE_COCOA
     [[NSFontManager sharedFontManager] setTarget:nil];
+#endif
 }
 @end
 
@@ -518,7 +520,9 @@ void *QFontDialogPrivate::openCocoaFontPanel(const QFont &initial,
                                                    extraHeight:dialogExtraHeight];
     [ourPanel setDelegate:delegate];
     [[NSFontManager sharedFontManager] setDelegate:delegate];
+#ifdef QT_MAC_USE_COCOA
     [[NSFontManager sharedFontManager] setTarget:delegate];
+#endif
     setFont(delegate, initial);
 
     // hack to get correct initial layout
diff --git a/src/gui/dialogs/qmessagebox.cpp b/src/gui/dialogs/qmessagebox.cpp
index a318c43..8ec8d1c 100644
--- a/src/gui/dialogs/qmessagebox.cpp
+++ b/src/gui/dialogs/qmessagebox.cpp
@@ -188,6 +188,9 @@ public:
     bool autoAddOkButton;
     QAbstractButton *detectedEscapeButton;
     QLabel *informativeLabel;
+#ifdef Q_OS_SYMBIAN
+    QTextEdit *textEdit;
+#endif
     QPointer<QObject> receiverToDisconnectOnClose;
     QByteArray memberToDisconnectOnClose;
     QByteArray signalToDisconnectOnClose;
@@ -2459,10 +2462,24 @@ void QMessageBox::setInformativeText(const QString &text)
 #endif
         label->setWordWrap(true);
         QGridLayout *grid = static_cast<QGridLayout *>(layout());
+#ifdef Q_OS_SYMBIAN
+        label->hide();
+        QTextEdit *textEdit = new QTextEdit(this);
+        textEdit->setReadOnly(true);
+        grid->addWidget(textEdit, 1, 1, 1, 1);
+        d->textEdit = textEdit;
+#else
         grid->addWidget(label, 1, 1, 1, 1);
+#endif
         d->informativeLabel = label;
     }
     d->informativeLabel->setText(text);
+
+#ifdef Q_OS_SYMBIAN
+    //We need to put the informative label inside textEdit to enable scrolling of long texts.
+    d->textEdit->setText(d->informativeLabel->text());
+#endif
+
     d->updateSize();
 }
 
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp
index d6cabaa..a523bab 100644
--- a/src/gui/effects/qgraphicseffect.cpp
+++ b/src/gui/effects/qgraphicseffect.cpp
@@ -313,7 +313,10 @@ QPixmap QGraphicsEffectSource::pixmap(Qt::CoordinateSystem system, QPoint *offse
     // Shortcut, no cache for childless pixmap items...
     const QGraphicsItem *item = graphicsItem();
     if (system == Qt::LogicalCoordinates && mode == QGraphicsEffect::NoPad && item && isPixmap()) {
-        return ((QGraphicsPixmapItem *) item)->pixmap();
+        const QGraphicsPixmapItem *pixmapItem = static_cast<const QGraphicsPixmapItem *>(item);
+        if (offset)
+            *offset = pixmapItem->offset().toPoint();
+        return pixmapItem->pixmap();
     }
 
     if (system == Qt::DeviceCoordinates && item
@@ -371,10 +374,14 @@ QGraphicsEffectSourcePrivate::~QGraphicsEffectSourcePrivate()
     invalidateCache();
 }
 
-void QGraphicsEffectSourcePrivate::invalidateCache(bool effectRectChanged) const
+void QGraphicsEffectSourcePrivate::invalidateCache(InvalidateReason reason) const
 {
-    if (effectRectChanged && m_cachedMode != QGraphicsEffect::PadToEffectiveBoundingRect)
+    if (m_cachedMode != QGraphicsEffect::PadToEffectiveBoundingRect
+        && (reason == EffectRectChanged
+            || reason == TransformChanged
+               && m_cachedSystem == Qt::LogicalCoordinates))
         return;
+
     QPixmapCache::remove(m_cacheKey);
 }
 
@@ -520,7 +527,7 @@ void QGraphicsEffect::updateBoundingRect()
     Q_D(QGraphicsEffect);
     if (d->source) {
         d->source->d_func()->effectBoundingRectChanged();
-        d->source->d_func()->invalidateCache(true);
+        d->source->d_func()->invalidateCache(QGraphicsEffectSourcePrivate::EffectRectChanged);
     }
 }
 
@@ -837,22 +844,19 @@ QRectF QGraphicsBlurEffect::boundingRectFor(const QRectF &rect) const
 void QGraphicsBlurEffect::draw(QPainter *painter)
 {
     Q_D(QGraphicsBlurEffect);
-    if (d->filter->radius() <= 0) {
+    if (d->filter->radius() < 1) {
         drawSource(painter);
         return;
     }
 
     PixmapPadMode mode = PadToEffectiveBoundingRect;
     if (painter->paintEngine()->type() == QPaintEngine::OpenGL2)
-        mode = PadToTransparentBorder;
+        mode = NoPad;
 
     // Draw pixmap in device coordinates to avoid pixmap scaling.
     QPoint offset;
-    const QPixmap pixmap = sourcePixmap(Qt::DeviceCoordinates, &offset, mode);
-    QTransform restoreTransform = painter->worldTransform();
-    painter->setWorldTransform(QTransform());
+    QPixmap pixmap = sourcePixmap(Qt::LogicalCoordinates, &offset, mode);
     d->filter->draw(painter, offset, pixmap);
-    painter->setWorldTransform(restoreTransform);
 }
 
 /*!
@@ -1033,7 +1037,7 @@ void QGraphicsDropShadowEffect::draw(QPainter *painter)
 
     PixmapPadMode mode = PadToEffectiveBoundingRect;
     if (painter->paintEngine()->type() == QPaintEngine::OpenGL2)
-        mode = PadToTransparentBorder;
+        mode = NoPad;
 
     // Draw pixmap in device coordinates to avoid pixmap scaling.
     QPoint offset;
diff --git a/src/gui/effects/qgraphicseffect_p.h b/src/gui/effects/qgraphicseffect_p.h
index 0011eef..cab7a48 100644
--- a/src/gui/effects/qgraphicseffect_p.h
+++ b/src/gui/effects/qgraphicseffect_p.h
@@ -108,6 +108,13 @@ public:
         , m_cachedMode(QGraphicsEffect::PadToTransparentBorder)
     {}
 
+    enum InvalidateReason
+    {
+        TransformChanged,
+        EffectRectChanged,
+        SourceChanged
+    };
+
     virtual ~QGraphicsEffectSourcePrivate();
     virtual void detach() = 0;
     virtual QRectF boundingRect(Qt::CoordinateSystem system) const = 0;
@@ -121,7 +128,9 @@ public:
     virtual QPixmap pixmap(Qt::CoordinateSystem system, QPoint *offset = 0,
                            QGraphicsEffect::PixmapPadMode mode = QGraphicsEffect::PadToTransparentBorder) const = 0;
     virtual void effectBoundingRectChanged() = 0;
-    void invalidateCache(bool effectRectChanged = false) const;
+
+    void invalidateCache(InvalidateReason reason = SourceChanged) const;
+    Qt::CoordinateSystem currentCachedSystem() const { return m_cachedSystem; }
 
     friend class QGraphicsScenePrivate;
     friend class QGraphicsItem;
diff --git a/src/gui/embedded/qscreen_qws.cpp b/src/gui/embedded/qscreen_qws.cpp
index ae5570f..07bb258 100644
--- a/src/gui/embedded/qscreen_qws.cpp
+++ b/src/gui/embedded/qscreen_qws.cpp
@@ -3150,6 +3150,7 @@ int QScreen::subScreenIndexAt(const QPoint &p) const
 
 #if 0
 #ifdef QT_LOADABLE_MODULES
+#include <dlfcn.h>
 
 // ### needs update after driver init changes
 
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index d955f16..726d571 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -2181,7 +2181,7 @@ void QGraphicsItemPrivate::setVisibleHelper(bool newVisible, bool explicitly, bo
     }
 
     // Enable subfocus
-    if (newVisible) {
+    if (scene && newVisible) {
         QGraphicsItem *p = parent;
         bool done = false;
         while (p) {
@@ -7177,9 +7177,16 @@ void QGraphicsItem::prepareGeometryChange()
 
     QGraphicsItem *parent = this;
     while ((parent = parent->d_ptr->parent)) {
-        parent->d_ptr->dirtyChildrenBoundingRect = 1;
+        QGraphicsItemPrivate *parentp = parent->d_ptr.data();
+        parentp->dirtyChildrenBoundingRect = 1;
         // ### Only do this if the parent's effect applies to the entire subtree.
-        parent->d_ptr->notifyBoundingRectChanged = 1;
+        parentp->notifyBoundingRectChanged = 1;
+#ifndef QT_NO_GRAPHICSEFFECT
+        if (parentp->scene && parentp->graphicsEffect) {
+            parentp->notifyInvalidated = 1;
+            static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func()->source->d_func())->invalidateCache();
+        }
+#endif
     }
 }
 
@@ -10717,7 +10724,6 @@ QPixmap QGraphicsItemEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QP
         qWarning("QGraphicsEffectSource::pixmap: Not yet implemented, lacking device context");
         return QPixmap();
     }
-
     if (!item->d_ptr->scene)
         return QPixmap();
     QGraphicsScenePrivate *scened = item->d_ptr->scene->d_func();
@@ -10725,9 +10731,11 @@ QPixmap QGraphicsItemEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QP
     const QRectF sourceRect = boundingRect(system);
     QRectF effectRectF;
 
+    bool unpadded = false;
     if (mode == QGraphicsEffect::PadToEffectiveBoundingRect) {
         if (info) {
             effectRectF = item->graphicsEffect()->boundingRectFor(boundingRect(Qt::DeviceCoordinates));
+            unpadded = (effectRectF.size() == sourceRect.size());
             if (info && system == Qt::LogicalCoordinates)
                 effectRectF = info->painter->worldTransform().inverted().mapRect(effectRectF);
         } else {
@@ -10739,6 +10747,7 @@ QPixmap QGraphicsItemEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QP
         effectRectF = sourceRect.adjusted(-1.5, -1.5, 1.5, 1.5);
     } else {
         effectRectF = sourceRect;
+        unpadded = true;
     }
 
     QRect effectRect = effectRectF.toAlignedRect();
@@ -10746,6 +10755,14 @@ QPixmap QGraphicsItemEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QP
     if (offset)
         *offset = effectRect.topLeft();
 
+    bool untransformed = !deviceCoordinates
+            || info->painter->worldTransform().type() <= QTransform::TxTranslate;
+    if (untransformed && unpadded && isPixmap()) {
+        if (offset)
+            *offset = boundingRect(system).topLeft().toPoint();
+        return static_cast<QGraphicsPixmapItem *>(item)->pixmap();
+    }
+
     if (deviceCoordinates) {
         // Clip to viewport rect.
         int left, top, right, bottom;
@@ -10773,12 +10790,6 @@ QPixmap QGraphicsItemEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QP
     if (effectRect.isEmpty())
         return QPixmap();
 
-    if (system == Qt::LogicalCoordinates
-        && effectRect.size() == sourceRect.size()
-        && isPixmap()) {
-        return static_cast<QGraphicsPixmapItem *>(item)->pixmap();
-    }
-
     QPixmap pixmap(effectRect.size());
     pixmap.fill(Qt::transparent);
     QPainter pixmapPainter(&pixmap);
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index b1c1ea0..cfb755a 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -4673,10 +4673,13 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
             painter->setWorldTransform(*transformPtr);
         painter->setOpacity(opacity);
 
-        if (sourced->lastEffectTransform != painter->worldTransform()) {
+        if (sourced->currentCachedSystem() != Qt::LogicalCoordinates
+            && sourced->lastEffectTransform != painter->worldTransform())
+        {
             sourced->lastEffectTransform = painter->worldTransform();
-            sourced->invalidateCache();
+            sourced->invalidateCache(QGraphicsEffectSourcePrivate::TransformChanged);
         }
+
         item->d_ptr->graphicsEffect->draw(painter);
         painter->setWorldTransform(restoreTransform);
         sourced->info = 0;
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp
index ffe64aa..3bb40fb 100644
--- a/src/gui/graphicsview/qgraphicsview.cpp
+++ b/src/gui/graphicsview/qgraphicsview.cpp
@@ -1208,6 +1208,11 @@ void QGraphicsView::setTransformationAnchor(ViewportAnchor anchor)
 {
     Q_D(QGraphicsView);
     d->transformationAnchor = anchor;
+
+    // Ensure mouse tracking is enabled in the case we are using AnchorUnderMouse
+    // in order to have up-to-date information for centering the view.
+    if (d->transformationAnchor == AnchorUnderMouse)
+        d->viewport->setMouseTracking(true);
 }
 
 /*!
@@ -1235,6 +1240,11 @@ void QGraphicsView::setResizeAnchor(ViewportAnchor anchor)
 {
     Q_D(QGraphicsView);
     d->resizeAnchor = anchor;
+
+    // Ensure mouse tracking is enabled in the case we are using AnchorUnderMouse
+    // in order to have up-to-date information for centering the view.
+    if (d->resizeAnchor == AnchorUnderMouse)
+        d->viewport->setMouseTracking(true);
 }
 
 /*!
@@ -2597,9 +2607,12 @@ void QGraphicsView::setupViewport(QWidget *widget)
     }
 
     // We are only interested in mouse tracking if items
-    // accept hover events or use non-default cursors.
-    if (d->scene && (!d->scene->d_func()->allItemsIgnoreHoverEvents
-                     || !d->scene->d_func()->allItemsUseDefaultCursor)) {
+    // accept hover events or use non-default cursors or if
+    // AnchorUnderMouse is used as transformation or resize anchor.
+    if ((d->scene && (!d->scene->d_func()->allItemsIgnoreHoverEvents
+                     || !d->scene->d_func()->allItemsUseDefaultCursor))
+        || d->transformationAnchor == AnchorUnderMouse
+        || d->resizeAnchor == AnchorUnderMouse) {
         widget->setMouseTracking(true);
     }
 
diff --git a/src/gui/graphicsview/qgridlayoutengine.cpp b/src/gui/graphicsview/qgridlayoutengine.cpp
index f61360a..9497a2f 100644
--- a/src/gui/graphicsview/qgridlayoutengine.cpp
+++ b/src/gui/graphicsview/qgridlayoutengine.cpp
@@ -51,6 +51,7 @@
 #include "qvarlengtharray.h"
 
 #include <QtDebug>
+#include <QtCore/qmath.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -70,7 +71,7 @@ static void insertOrRemoveItems(QVector<T> &items, int index, int delta)
 static qreal growthFactorBelowPreferredSize(qreal desired, qreal sumAvailable, qreal sumDesired)
 {
     Q_ASSERT(sumDesired != 0.0);
-    return desired * ::pow(sumAvailable / sumDesired, desired / sumDesired);
+    return desired * qPow(sumAvailable / sumDesired, desired / sumDesired);
 }
 
 static qreal fixedDescent(qreal descent, qreal ascent, qreal targetSize)
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 406dc0b..30eb788 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -831,14 +831,13 @@ bool QPixmap::load(const QString &fileName, const char *format, Qt::ImageConvers
     if (QPixmapCache::find(key, *this))
         return true;
 
-    if (!data)
-        data = QPixmapData::create(0, 0, QPixmapData::PixmapType);
-
-    if (data->fromFile(fileName, format, flags)) {
+    QPixmapData *tmp = QPixmapData::create(0, 0, QPixmapData::PixmapType);
+    if (tmp->fromFile(fileName, format, flags)) {
+        data = tmp;
         QPixmapCache::insert(key, *this);
         return true;
     }
-
+    delete tmp;
     return false;
 }
 
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp
index dc33ade..8194db5 100644
--- a/src/gui/image/qpixmap_s60.cpp
+++ b/src/gui/image/qpixmap_s60.cpp
@@ -235,7 +235,7 @@ static CFbsBitmap* uncompress(CFbsBitmap* bitmap)
         QT_TRAP_THROWING(bitmapGc = CFbsBitGc::NewL());
         bitmapGc->Activate(bitmapDevice);
 
-        bitmapGc->DrawBitmap(TPoint(), bitmap);
+        bitmapGc->BitBlt(TPoint(), bitmap);
 
         delete bitmapGc;
         delete bitmapDevice;
@@ -346,8 +346,6 @@ QPixmap QPixmap::fromSymbianCFbsBitmap(CFbsBitmap *bitmap)
 QS60PixmapData::QS60PixmapData(PixelType type) : QRasterPixmapData(type),
     symbianBitmapDataAccess(new QSymbianBitmapDataAccess),
     cfbsBitmap(0),
-    bitmapDevice(0),
-    bitmapGc(0),
     pengine(0),
     bytes(0),
     formatLocked(false)
@@ -385,8 +383,6 @@ void QS60PixmapData::resize(int width, int height)
 
         if(cfbsBitmap->SizeInPixels() != newSize) {
             cfbsBitmap->Resize(TSize(width, height));
-            bitmapDevice->Resize(TSize(width, height));
-            bitmapGc->Resized();
             if(pengine) {
                 delete pengine;
                 pengine = 0;
@@ -397,21 +393,10 @@ void QS60PixmapData::resize(int width, int height)
     }
 }
 
-bool QS60PixmapData::initSymbianBitmapContext()
-{
-    QT_TRAP_THROWING(bitmapDevice = CFbsBitmapDevice::NewL(cfbsBitmap));
-    QT_TRAP_THROWING(bitmapGc = CFbsBitGc::NewL());
-    bitmapGc->Activate(bitmapDevice);
-
-    return true;
-}
-
 void QS60PixmapData::release()
 {
     if (cfbsBitmap) {
         QSymbianFbsHeapLock lock(QSymbianFbsHeapLock::Unlock);
-        delete bitmapGc;
-        delete bitmapDevice;
         delete cfbsBitmap;
         lock.relock();
     }
@@ -419,8 +404,6 @@ void QS60PixmapData::release()
     delete pengine;
     image = QImage();
     cfbsBitmap = 0;
-    bitmapGc = 0;
-    bitmapDevice = 0;
     pengine = 0;
     bytes = 0;
 }
@@ -428,42 +411,52 @@ void QS60PixmapData::release()
 /*!
  * Takes ownership of bitmap. Used by window surface
  */
-void QS60PixmapData::fromSymbianBitmap(CFbsBitmap* bitmap)
+void QS60PixmapData::fromSymbianBitmap(CFbsBitmap* bitmap, bool lockFormat)
 {
-	cfbsBitmap = bitmap;
-	formatLocked = true;
+    Q_ASSERT(bitmap);
 
-	 if(!initSymbianBitmapContext()) {
-		qWarning("Could not create CBitmapContext");
-		release();
-		return;
-	}
+    release();
+
+    cfbsBitmap = bitmap;
+    formatLocked = lockFormat;
 
-	setSerialNumber(cfbsBitmap->Handle());
+    setSerialNumber(cfbsBitmap->Handle());
 
-	UPDATE_BUFFER();
+    UPDATE_BUFFER();
 
-	// Create default palette if needed
-	if (cfbsBitmap->DisplayMode() == EGray2) {
-		image.setColorCount(2);
-		image.setColor(0, QColor(Qt::color0).rgba());
-		image.setColor(1, QColor(Qt::color1).rgba());
+    // Create default palette if needed
+    if (cfbsBitmap->DisplayMode() == EGray2) {
+        image.setColorCount(2);
+        image.setColor(0, QColor(Qt::color0).rgba());
+        image.setColor(1, QColor(Qt::color1).rgba());
 
         //Symbian thinks set pixels are white/transparent, Qt thinks they are foreground/solid
         //So invert mono bitmaps so that masks work correctly.
         image.invertPixels();
-	} else if (cfbsBitmap->DisplayMode() == EGray256) {
-		for (int i=0; i < 256; ++i)
-			image.setColor(i, qRgb(i, i, i));
-	}else if (cfbsBitmap->DisplayMode() == EColor256) {
-		const TColor256Util *palette = TColor256Util::Default();
-		for (int i=0; i < 256; ++i)
-			image.setColor(i, (QRgb)(palette->Color256(i).Value()));
-	}
+    } else if (cfbsBitmap->DisplayMode() == EGray256) {
+        for (int i=0; i < 256; ++i)
+            image.setColor(i, qRgb(i, i, i));
+    } else if (cfbsBitmap->DisplayMode() == EColor256) {
+        const TColor256Util *palette = TColor256Util::Default();
+        for (int i=0; i < 256; ++i)
+            image.setColor(i, (QRgb)(palette->Color256(i).Value()));
+    }
+}
+
+QImage QS60PixmapData::toImage(const QRect &r) const
+{
+    QS60PixmapData *that = const_cast<QS60PixmapData*>(this);
+    that->beginDataAccess();
+    QImage copy = that->image.copy(r);
+    that->endDataAccess();
+
+    return copy;
 }
 
 void QS60PixmapData::fromImage(const QImage &img, Qt::ImageConversionFlags flags)
 {
+    release();
+
     QImage sourceImage;
 
     if (pixelType() == BitmapType) {
@@ -517,8 +510,8 @@ void QS60PixmapData::fromImage(const QImage &img, Qt::ImageConversionFlags flags
     }
 
     cfbsBitmap = createSymbianCFbsBitmap(TSize(sourceImage.width(), sourceImage.height()), mode);
-    if (!(cfbsBitmap && initSymbianBitmapContext())) {
-        qWarning("Could not create CFbsBitmap and/or CBitmapContext");
+    if (!cfbsBitmap) {
+        qWarning("Could not create CFbsBitmap");
         release();
         return;
     }
@@ -544,17 +537,8 @@ void QS60PixmapData::fromImage(const QImage &img, Qt::ImageConversionFlags flags
 
 void QS60PixmapData::copy(const QPixmapData *data, const QRect &rect)
 {
-    if (data->pixelType() == BitmapType) {
-        QBitmap::fromImage(data->toImage().copy(rect));
-        return;
-    }
-
     const QS60PixmapData *s60Data = static_cast<const QS60PixmapData*>(data);
-
-    resize(rect.width(), rect.height());
-    cfbsBitmap->SetDisplayMode(s60Data->cfbsBitmap->DisplayMode());
-
-    bitmapGc->BitBlt(TPoint(0, 0), s60Data->cfbsBitmap, qt_QRect2TRect(rect));
+    fromImage(s60Data->toImage(rect), Qt::AutoColor | Qt::OrderedAlphaDither);
 }
 
 bool QS60PixmapData::scroll(int dx, int dy, const QRect &rect)
@@ -661,12 +645,7 @@ void QS60PixmapData::setAlphaChannel(const QPixmap &alphaChannel)
 
 QImage QS60PixmapData::toImage() const
 {
-    QS60PixmapData *that = const_cast<QS60PixmapData*>(this);
-    that->beginDataAccess();
-    QImage copy = that->image.copy();
-    that->endDataAccess();
-
-    return copy;
+    return toImage(QRect());
 }
 
 QPaintEngine* QS60PixmapData::paintEngine() const
@@ -820,7 +799,9 @@ void* QS60PixmapData::toNativeType(NativeType type)
         if(displayMode == EGray2) {
             //Symbian thinks set pixels are white/transparent, Qt thinks they are foreground/solid
             //So invert mono bitmaps so that masks work correctly.
+            beginDataAccess();
             image.invertPixels();
+            endDataAccess();
             needsCopy = true;
         }
 
@@ -828,7 +809,9 @@ void* QS60PixmapData::toNativeType(NativeType type)
             QImage source;
 
             if (convertToArgb32) {
+                beginDataAccess();
                 source = image.convertToFormat(QImage::Format_ARGB32);
+                endDataAccess();
                 displayMode = EColor16MA;
             } else {
                 source = image;
@@ -858,7 +841,9 @@ void* QS60PixmapData::toNativeType(NativeType type)
 
         if(displayMode == EGray2) {
             // restore pixels
+            beginDataAccess();
             image.invertPixels();
+            endDataAccess();
         }
 
         return reinterpret_cast<void*>(bitmap);
diff --git a/src/gui/image/qpixmap_s60_p.h b/src/gui/image/qpixmap_s60_p.h
index 8631ebd..2d93622 100644
--- a/src/gui/image/qpixmap_s60_p.h
+++ b/src/gui/image/qpixmap_s60_p.h
@@ -109,14 +109,12 @@ public:
 
 private:
     void release();
-    void fromSymbianBitmap(CFbsBitmap* bitmap);
-    bool initSymbianBitmapContext();
+    void fromSymbianBitmap(CFbsBitmap* bitmap, bool lockFormat=false);
+    QImage toImage(const QRect &r) const;
 
     QSymbianBitmapDataAccess *symbianBitmapDataAccess;
 
     CFbsBitmap *cfbsBitmap;
-    CFbsBitmapDevice *bitmapDevice;
-    CFbsBitGc *bitmapGc;
     QPaintEngine *pengine;
     uchar* bytes;
 
diff --git a/src/gui/image/qpixmapfilter.cpp b/src/gui/image/qpixmapfilter.cpp
index 3723500..939b86d 100644
--- a/src/gui/image/qpixmapfilter.cpp
+++ b/src/gui/image/qpixmapfilter.cpp
@@ -52,6 +52,10 @@
 #include "private/qgraphicssystem_p.h"
 #include "private/qpaintengineex_p.h"
 #include "private/qpaintengine_raster_p.h"
+#include "qmath.h"
+#include "private/qmath_p.h"
+#include "private/qmemrotate_p.h"
+#include "private/qdrawhelper_p.h"
 
 #ifndef QT_NO_GRAPHICSEFFECT
 QT_BEGIN_NAMESPACE
@@ -585,106 +589,338 @@ QGraphicsBlurEffect::BlurHints QPixmapBlurFilter::blurHints() const
     return d->hints;
 }
 
+const qreal radiusScale = qreal(2.5);
+
 /*!
     \internal
 */
 QRectF QPixmapBlurFilter::boundingRectFor(const QRectF &rect) const
 {
     Q_D(const QPixmapBlurFilter);
-    const qreal delta = d->radius + 1;
+    const qreal delta = radiusScale * d->radius + 1;
     return rect.adjusted(-delta, -delta, delta, delta);
 }
 
-// Blur the image according to the blur radius
-// Based on exponential blur algorithm by Jani Huhtanen
-// (maximum radius is set to 16)
-static QImage blurred(const QImage& image, const QRect& rect, int radius, bool alphaOnly = false)
+template <int shift>
+inline int qt_static_shift(int value)
 {
-    int tab[] = { 14, 10, 8, 6, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2 };
-    int alpha = (radius < 1)  ? 16 : (radius > 17) ? 1 : tab[radius-1];
+    if (shift == 0)
+        return value;
+    else if (shift > 0)
+        return value << (uint(shift) & 0x1f);
+    else
+        return value >> (uint(-shift) & 0x1f);
+}
 
-    QImage result = image.convertToFormat(QImage::Format_ARGB32_Premultiplied);
-    int r1 = rect.top();
-    int r2 = rect.bottom();
-    int c1 = rect.left();
-    int c2 = rect.right();
+template<int aprec, int zprec>
+inline void qt_blurinner(uchar *bptr, int &zR, int &zG, int &zB, int &zA, int alpha)
+{
+    QRgb *pixel = (QRgb *)bptr;
+
+#define Z_MASK (0xff << zprec)
+    const int A_zprec = qt_static_shift<zprec - 24>(*pixel) & Z_MASK;
+    const int R_zprec = qt_static_shift<zprec - 16>(*pixel) & Z_MASK;
+    const int G_zprec = qt_static_shift<zprec - 8>(*pixel)  & Z_MASK;
+    const int B_zprec = qt_static_shift<zprec>(*pixel)      & Z_MASK;
+#undef Z_MASK
+
+    const int zR_zprec = zR >> aprec;
+    const int zG_zprec = zG >> aprec;
+    const int zB_zprec = zB >> aprec;
+    const int zA_zprec = zA >> aprec;
+
+    zR += alpha * (R_zprec - zR_zprec);
+    zG += alpha * (G_zprec - zG_zprec);
+    zB += alpha * (B_zprec - zB_zprec);
+    zA += alpha * (A_zprec - zA_zprec);
+
+#define ZA_MASK (0xff << (zprec + aprec))
+    *pixel =
+        qt_static_shift<24 - zprec - aprec>(zA & ZA_MASK)
+        | qt_static_shift<16 - zprec - aprec>(zR & ZA_MASK)
+        | qt_static_shift<8 - zprec - aprec>(zG & ZA_MASK)
+        | qt_static_shift<-zprec - aprec>(zB & ZA_MASK);
+#undef ZA_MASK
+}
 
-    int bpl = result.bytesPerLine();
-    int rgba[4];
-    unsigned char* p;
+const int alphaIndex = (QSysInfo::ByteOrder == QSysInfo::BigEndian ? 0 : 3);
 
-    int i1 = 0;
-    int i2 = 3;
+template<int aprec, int zprec>
+inline void qt_blurinner_alphaOnly(uchar *bptr, int &z, int alpha)
+{
+    const int A_zprec = int(*(bptr)) << zprec;
+    const int z_zprec = z >> aprec;
+    z += alpha * (A_zprec - z_zprec);
+    *(bptr) = z >> (zprec + aprec);
+}
 
-    if (alphaOnly)
-        i1 = i2 = (QSysInfo::ByteOrder == QSysInfo::BigEndian ? 0 : 3);
+template<int aprec, int zprec, bool alphaOnly>
+inline void qt_blurrow(QImage & im, int line, int alpha)
+{
+    uchar *bptr = im.scanLine(line);
+
+    int zR = 0, zG = 0, zB = 0, zA = 0;
+
+    if (alphaOnly && im.format() != QImage::Format_Indexed8)
+        bptr += alphaIndex;
+
+    const int stride = im.depth() >> 3;
+    const int im_width = im.width();
+    for (int index = 0; index < im_width; ++index) {
+        if (alphaOnly)
+            qt_blurinner_alphaOnly<aprec, zprec>(bptr, zA, alpha);
+        else
+            qt_blurinner<aprec, zprec>(bptr, zR, zG, zB, zA, alpha);
+        bptr += stride;
+    }
+
+    bptr -= stride;
+
+    for (int index = im_width - 2; index >= 0; --index) {
+        bptr -= stride;
+        if (alphaOnly)
+            qt_blurinner_alphaOnly<aprec, zprec>(bptr, zA, alpha);
+        else
+            qt_blurinner<aprec, zprec>(bptr, zR, zG, zB, zA, alpha);
+    }
+}
+
+/*
+*  expblur(QImage &img, int radius)
+*
+*  Based on exponential blur algorithm by Jani Huhtanen
+*
+*  In-place blur of image 'img' with kernel
+*  of approximate radius 'radius'.
+*
+*  Blurs with two sided exponential impulse
+*  response.
+*
+*  aprec = precision of alpha parameter
+*  in fixed-point format 0.aprec
+*
+*  zprec = precision of state parameters
+*  zR,zG,zB and zA in fp format 8.zprec
+*/
+template <int aprec, int zprec, bool alphaOnly>
+void expblur(QImage &img, qreal radius, bool improvedQuality = false, int transposed = 0)
+{
+    // halve the radius if we're using two passes
+    if (improvedQuality)
+        radius *= qreal(0.5);
+
+    Q_ASSERT(img.format() == QImage::Format_ARGB32_Premultiplied
+             || img.format() == QImage::Format_RGB32);
+
+    // choose the alpha such that pixels at radius distance from a fully
+    // saturated pixel will have an alpha component of no greater than
+    // the cutOffIntensity
+    const qreal cutOffIntensity = 2;
+    int alpha = radius <= qreal(1e-5)
+        ? ((1 << aprec)-1)
+        : qRound((1<<aprec)*(1 - qPow(cutOffIntensity * (1 / qreal(255)), 1 / radius)));
+
+    int img_height = img.height();
+    for (int row = 0; row < img_height; ++row) {
+        for (int i = 0; i <= improvedQuality; ++i)
+            qt_blurrow<aprec, zprec, alphaOnly>(img, row, alpha);
+    }
+
+    QImage temp(img.height(), img.width(), img.format());
+    if (transposed >= 0) {
+        if (img.depth() == 8) {
+            qt_memrotate270(reinterpret_cast<const quint8*>(img.bits()),
+                            img.width(), img.height(), img.bytesPerLine(),
+                            reinterpret_cast<quint8*>(temp.bits()),
+                            temp.bytesPerLine());
+        } else {
+            qt_memrotate270(reinterpret_cast<const quint32*>(img.bits()),
+                            img.width(), img.height(), img.bytesPerLine(),
+                            reinterpret_cast<quint32*>(temp.bits()),
+                            temp.bytesPerLine());
+        }
+    } else {
+        if (img.depth() == 8) {
+            qt_memrotate90(reinterpret_cast<const quint8*>(img.bits()),
+                           img.width(), img.height(), img.bytesPerLine(),
+                           reinterpret_cast<quint8*>(temp.bits()),
+                           temp.bytesPerLine());
+        } else {
+            qt_memrotate90(reinterpret_cast<const quint32*>(img.bits()),
+                           img.width(), img.height(), img.bytesPerLine(),
+                           reinterpret_cast<quint32*>(temp.bits()),
+                           temp.bytesPerLine());
+        }
+    }
 
-    for (int col = c1; col <= c2; col++) {
-        p = result.scanLine(r1) + col * 4;
-        for (int i = i1; i <= i2; i++)
-            rgba[i] = p[i] << 4;
+    img_height = temp.height();
+    for (int row = 0; row < img_height; ++row) {
+        for (int i = 0; i <= improvedQuality; ++i)
+            qt_blurrow<aprec, zprec, alphaOnly>(temp, row, alpha);
+    }
 
-        p += bpl;
-        for (int j = r1; j < r2; j++, p += bpl)
-            for (int i = i1; i <= i2; i++)
-                p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
+    if (transposed == 0) {
+        qt_memrotate90(reinterpret_cast<const quint32*>(temp.bits()),
+                       temp.width(), temp.height(), temp.bytesPerLine(),
+                       reinterpret_cast<quint32*>(img.bits()),
+                       img.bytesPerLine());
+    } else {
+        img = temp;
     }
+}
+#define AVG(a,b)  ( ((((a)^(b)) & 0xfefefefeUL) >> 1) + ((a)&(b)) )
+#define AVG16(a,b)  ( ((((a)^(b)) & 0xf7deUL) >> 1) + ((a)&(b)) )
 
-    for (int row = r1; row <= r2; row++) {
-        p = result.scanLine(row) + c1 * 4;
-        for (int i = i1; i <= i2; i++)
-            rgba[i] = p[i] << 4;
+Q_GUI_EXPORT QImage qt_halfScaled(const QImage &source)
+{
+    QImage srcImage = source;
+
+    if (source.format() == QImage::Format_Indexed8) {
+        // assumes grayscale
+        QImage dest(source.width() / 2, source.height() / 2, srcImage.format());
+
+        const uchar *src = reinterpret_cast<const uchar*>(const_cast<const QImage &>(srcImage).bits());
+        int sx = srcImage.bytesPerLine();
+        int sx2 = sx << 1;
+
+        uchar *dst = reinterpret_cast<uchar*>(dest.bits());
+        int dx = dest.bytesPerLine();
+        int ww = dest.width();
+        int hh = dest.height();
+
+        for (int y = hh; y; --y, dst += dx, src += sx2) {
+            const uchar *p1 = src;
+            const uchar *p2 = src + sx;
+            uchar *q = dst;
+            for (int x = ww; x; --x, ++q, p1 += 2, p2 += 2)
+                *q = ((int(p1[0]) + int(p1[1]) + int(p2[0]) + int(p2[1])) + 2) >> 2;
+        }
+
+        return dest;
+    } else if (source.format() == QImage::Format_ARGB8565_Premultiplied) {
+        QImage dest(source.width() / 2, source.height() / 2, srcImage.format());
+
+        const uchar *src = reinterpret_cast<const uchar*>(const_cast<const QImage &>(srcImage).bits());
+        int sx = srcImage.bytesPerLine();
+        int sx2 = sx << 1;
+
+        uchar *dst = reinterpret_cast<uchar*>(dest.bits());
+        int dx = dest.bytesPerLine();
+        int ww = dest.width();
+        int hh = dest.height();
+
+        for (int y = hh; y; --y, dst += dx, src += sx2) {
+            const uchar *p1 = src;
+            const uchar *p2 = src + sx;
+            uchar *q = dst;
+            for (int x = ww; x; --x, q += 3, p1 += 6, p2 += 6) {
+                // alpha
+                q[0] = AVG(AVG(p1[0], p1[3]), AVG(p2[0], p2[3]));
+                // rgb
+                const quint16 p16_1 = (p1[2] << 8) | p1[1];
+                const quint16 p16_2 = (p1[5] << 8) | p1[4];
+                const quint16 p16_3 = (p2[2] << 8) | p2[1];
+                const quint16 p16_4 = (p2[5] << 8) | p2[4];
+                const quint16 result = AVG16(AVG16(p16_1, p16_2), AVG16(p16_3, p16_4));
+                q[1] = result & 0xff;
+                q[2] = result >> 8;
+            }
+        }
 
-        p += 4;
-        for (int j = c1; j < c2; j++, p += 4)
-            for (int i = i1; i <= i2; i++)
-                p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
+        return dest;
+    } else if (source.format() != QImage::Format_ARGB32_Premultiplied
+               && source.format() != QImage::Format_RGB32)
+    {
+        srcImage = source.convertToFormat(QImage::Format_ARGB32_Premultiplied);
     }
 
-    for (int col = c1; col <= c2; col++) {
-        p = result.scanLine(r2) + col * 4;
-        for (int i = i1; i <= i2; i++)
-            rgba[i] = p[i] << 4;
+    QImage dest(source.width() / 2, source.height() / 2, srcImage.format());
+
+    const quint32 *src = reinterpret_cast<const quint32*>(const_cast<const QImage &>(srcImage).bits());
+    int sx = srcImage.bytesPerLine() >> 2;
+    int sx2 = sx << 1;
+
+    quint32 *dst = reinterpret_cast<quint32*>(dest.bits());
+    int dx = dest.bytesPerLine() >> 2;
+    int ww = dest.width();
+    int hh = dest.height();
 
-        p -= bpl;
-        for (int j = r1; j < r2; j++, p -= bpl)
-            for (int i = i1; i <= i2; i++)
-                p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
+    for (int y = hh; y; --y, dst += dx, src += sx2) {
+        const quint32 *p1 = src;
+        const quint32 *p2 = src + sx;
+        quint32 *q = dst;
+        for (int x = ww; x; --x, q++, p1 += 2, p2 += 2)
+            *q = AVG(AVG(p1[0], p1[1]), AVG(p2[0], p2[1]));
     }
 
-    for (int row = r1; row <= r2; row++) {
-        p = result.scanLine(row) + c2 * 4;
-        for (int i = i1; i <= i2; i++)
-            rgba[i] = p[i] << 4;
+    return dest;
+}
 
-        p -= 4;
-        for (int j = c1; j < c2; j++, p -= 4)
-            for (int i = i1; i <= i2; i++)
-                p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
+Q_GUI_EXPORT void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0)
+{
+    if (blurImage.format() != QImage::Format_ARGB32_Premultiplied
+        && blurImage.format() != QImage::Format_RGB32)
+    {
+        blurImage = blurImage.convertToFormat(QImage::Format_ARGB32_Premultiplied);
     }
 
-    return result;
+    qreal scale = 1;
+    if (radius >= 4) {
+        blurImage = qt_halfScaled(blurImage);
+        scale = 2;
+        radius *= qreal(0.5);
+    }
+
+    if (alphaOnly)
+        expblur<12, 10, true>(blurImage, radius, quality, transposed);
+    else
+        expblur<12, 10, false>(blurImage, radius, quality, transposed);
+
+    if (p) {
+        p->scale(scale, scale);
+        p->setRenderHint(QPainter::SmoothPixmapTransform);
+        p->drawImage(QRect(0, 0, blurImage.width(), blurImage.height()), blurImage);
+    }
+}
+
+Q_GUI_EXPORT void qt_blurImage(QImage &blurImage, qreal radius, bool quality, int transposed = 0)
+{
+    if (blurImage.format() == QImage::Format_Indexed8)
+        expblur<12, 10, true>(blurImage, radius, quality, transposed);
+    else
+        expblur<12, 10, false>(blurImage, radius, quality, transposed);
 }
 
+bool qt_scaleForTransform(const QTransform &transform, qreal *scale);
+
 /*!
     \internal
 */
-void QPixmapBlurFilter::draw(QPainter *painter, const QPointF &p, const QPixmap &src, const QRectF &srcRect) const
+void QPixmapBlurFilter::draw(QPainter *painter, const QPointF &p, const QPixmap &src, const QRectF &rect) const
 {
     Q_D(const QPixmapBlurFilter);
     if (!painter->isActive())
         return;
 
-    if (d->radius <= 0) {
+    QRectF srcRect = rect;
+    if (srcRect.isNull())
+        srcRect = src.rect();
+
+    if (d->radius <= 1) {
         painter->drawPixmap(srcRect.translated(p), src, srcRect);
         return;
     }
 
+    qreal scaledRadius = radiusScale * d->radius;
+    qreal scale;
+    if (qt_scaleForTransform(painter->transform(), &scale))
+        scaledRadius /= scale;
+
     QPixmapFilter *filter = painter->paintEngine() && painter->paintEngine()->isExtended() ?
         static_cast<QPaintEngineEx *>(painter->paintEngine())->pixmapFilter(type(), this) : 0;
     QPixmapBlurFilter *blurFilter = static_cast<QPixmapBlurFilter*>(filter);
     if (blurFilter) {
-        blurFilter->setRadius(d->radius);
+        blurFilter->setRadius(scaledRadius);
         blurFilter->setBlurHints(d->hints);
         blurFilter->draw(painter, p, src, srcRect);
         return;
@@ -693,17 +929,17 @@ void QPixmapBlurFilter::draw(QPainter *painter, const QPointF &p, const QPixmap
     QImage srcImage;
     QImage destImage;
 
-    if (srcRect.isNull()) {
+    if (srcRect == src.rect()) {
         srcImage = src.toImage();
-        destImage = blurred(srcImage, srcImage.rect(), qRound(d->radius));
     } else {
         QRect rect = srcRect.toAlignedRect().intersected(src.rect());
-
         srcImage = src.copy(rect).toImage();
-        destImage = blurred(srcImage, srcImage.rect(), qRound(d->radius));
     }
 
-    painter->drawImage(p, destImage);
+    QTransform transform = painter->worldTransform();
+    painter->translate(p);
+    qt_blurImage(painter, srcImage, scaledRadius, (d->hints & QGraphicsBlurEffect::QualityHint), false);
+    painter->setWorldTransform(transform);
 }
 
 // grayscales the image to dest (could be same). If rect isn't defined
@@ -1095,7 +1331,13 @@ void QPixmapDropShadowFilter::draw(QPainter *p,
     tmpPainter.end();
 
     // blur the alpha channel
-    tmp = blurred(tmp, tmp.rect(), qRound(d->radius), true);
+    QImage blurred(tmp.size(), QImage::Format_ARGB32_Premultiplied);
+    blurred.fill(0);
+    QPainter blurPainter(&blurred);
+    qt_blurImage(&blurPainter, tmp, d->radius, false, true);
+    blurPainter.end();
+
+    tmp = blurred;
 
     // blacken the image...
     tmpPainter.begin(&tmp);
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index a295d66..1bf7662 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -139,8 +139,7 @@ void QCoeFepInputContext::widgetDestroyed(QWidget *w)
     // Make sure that the input capabilities of whatever new widget got focused are queried.
     CCoeControl *ctrl = w->effectiveWinId();
     if (ctrl->IsFocused()) {
-        ctrl->SetFocus(false);
-        ctrl->SetFocus(true);
+        queueInputCapabilitiesChanged();
     }
 }
 
diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index 4a450b7..f447989 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -70,6 +70,7 @@ QAbstractItemViewPrivate::QAbstractItemViewPrivate()
         itemDelegate(0),
         selectionModel(0),
         ctrlDragSelectionFlag(QItemSelectionModel::NoUpdate),
+        noSelectionOnMousePress(false),
         selectionMode(QAbstractItemView::ExtendedSelection),
         selectionBehavior(QAbstractItemView::SelectItems),
         currentlyCommittingEditor(0),
@@ -1622,6 +1623,7 @@ void QAbstractItemView::mousePressEvent(QMouseEvent *event)
     d->pressedIndex = index;
     d->pressedModifiers = event->modifiers();
     QItemSelectionModel::SelectionFlags command = selectionCommand(index, event);
+    d->noSelectionOnMousePress = command == QItemSelectionModel::NoUpdate || !index.isValid();
     QPoint offset = d->offset();
     if ((command & QItemSelectionModel::Current) == 0)
         d->pressedPosition = pos + offset;
@@ -1760,9 +1762,10 @@ void QAbstractItemView::mouseReleaseEvent(QMouseEvent *event)
 
     d->ctrlDragSelectionFlag = QItemSelectionModel::NoUpdate;
 
-    //in the case the user presses on no item we might decide to clear the selection
-    if (d->selectionModel && !index.isValid())
-        d->selectionModel->select(QModelIndex(), selectionCommand(index, event));
+    if (d->selectionModel && d->noSelectionOnMousePress) {
+        d->noSelectionOnMousePress = false;
+        d->selectionModel->select(index, selectionCommand(index, event));
+    }
 
     setState(NoState);
 
@@ -2065,9 +2068,13 @@ void QAbstractItemView::focusInEvent(QFocusEvent *event)
 {
     Q_D(QAbstractItemView);
     QAbstractScrollArea::focusInEvent(event);
-    if (selectionModel()
+
+    const QItemSelectionModel* model = selectionModel();
+    const bool currentIndexValid = currentIndex().isValid();
+
+    if (model
         && !d->currentIndexSet
-        && !currentIndex().isValid()) {
+        && !currentIndexValid) {
         bool autoScroll = d->autoScroll;
         d->autoScroll = false;
         QModelIndex index = moveCursor(MoveNext, Qt::NoModifier); // first visible index
@@ -2075,6 +2082,17 @@ void QAbstractItemView::focusInEvent(QFocusEvent *event)
             selectionModel()->setCurrentIndex(index, QItemSelectionModel::NoUpdate);
         d->autoScroll = autoScroll;
     }
+
+    if (model && currentIndexValid) {
+        if (currentIndex().flags() != Qt::ItemIsEditable)
+            setAttribute(Qt::WA_InputMethodEnabled, false);
+        else
+            setAttribute(Qt::WA_InputMethodEnabled);
+    }
+
+    if (!currentIndexValid)
+        setAttribute(Qt::WA_InputMethodEnabled, false);
+
     d->viewport->update();
 }
 
diff --git a/src/gui/itemviews/qabstractitemview_p.h b/src/gui/itemviews/qabstractitemview_p.h
index 0b5cfbe..7fc6780 100644
--- a/src/gui/itemviews/qabstractitemview_p.h
+++ b/src/gui/itemviews/qabstractitemview_p.h
@@ -347,6 +347,7 @@ public:
     QMap<int, QPointer<QAbstractItemDelegate> > columnDelegates;
     QPointer<QItemSelectionModel> selectionModel;
     QItemSelectionModel::SelectionFlag ctrlDragSelectionFlag;
+    bool noSelectionOnMousePress;
 
     QAbstractItemView::SelectionMode selectionMode;
     QAbstractItemView::SelectionBehavior selectionBehavior;
diff --git a/src/gui/itemviews/qsortfilterproxymodel.cpp b/src/gui/itemviews/qsortfilterproxymodel.cpp
index fc82f30..646a3a1 100644
--- a/src/gui/itemviews/qsortfilterproxymodel.cpp
+++ b/src/gui/itemviews/qsortfilterproxymodel.cpp
@@ -734,6 +734,33 @@ void QSortFilterProxyModelPrivate::source_items_inserted(
         }
     }
 
+    if (model->rowCount(source_parent) == delta_item_count) {
+        // Items were inserted where there were none before.
+        // If it was new rows make sure to create mappings for columns so that a
+        // valid mapping can be retreived later and vice-versa.
+
+        QVector<int> &orthogonal_proxy_to_source = (orient == Qt::Horizontal) ? m->source_rows : m->source_columns;
+        QVector<int> &orthogonal_source_to_proxy = (orient == Qt::Horizontal) ? m->proxy_rows : m->proxy_columns;
+
+        if (orthogonal_source_to_proxy.isEmpty()) {
+            const int ortho_end = (orient == Qt::Horizontal) ? model->rowCount(source_parent) : model->columnCount(source_parent);
+
+            for (int ortho_item = 0; ortho_item < ortho_end; ++ortho_item) {
+                if ((orient == Qt::Horizontal) ? q->filterAcceptsRow(ortho_item, source_parent)
+                        : q->filterAcceptsColumn(ortho_item, source_parent)) {
+                    orthogonal_proxy_to_source.append(ortho_item);
+                }
+            }
+            orthogonal_source_to_proxy.resize(orthogonal_proxy_to_source.size());
+
+            if (orient == Qt::Horizontal) {
+                // We're reacting to columnsInserted, but we've just inserted new rows. Sort them.
+                sort_source_rows(orthogonal_proxy_to_source, source_parent);
+            }
+            build_source_to_proxy_mapping(orthogonal_proxy_to_source, orthogonal_source_to_proxy);
+        }
+    }
+
     // Sort and insert the items
     if (orient == Qt::Vertical) // Only sort rows
         sort_source_rows(source_items, source_parent);
@@ -1171,9 +1198,10 @@ void QSortFilterProxyModelPrivate::_q_sourceLayoutAboutToBeChanged()
 {
     Q_Q(QSortFilterProxyModel);
     saved_persistent_indexes.clear();
+    emit q->layoutAboutToBeChanged();
     if (persistent.indexes.isEmpty())
         return;
-    emit q->layoutAboutToBeChanged();
+
     saved_persistent_indexes = store_persistent_indexes();
 }
 
@@ -1181,7 +1209,8 @@ void QSortFilterProxyModelPrivate::_q_sourceLayoutChanged()
 {
     Q_Q(QSortFilterProxyModel);
     if (saved_persistent_indexes.isEmpty()) {
-        q->invalidate();
+        clear_mapping();
+        emit q->layoutChanged();
         return;
     }
 
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index edf077b..3ae14ca 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -2096,7 +2096,11 @@ void QApplicationPrivate::setFocusWidget(QWidget *focus, Qt::FocusReason reason)
             if (prev) {
 #ifdef QT_KEYPAD_NAVIGATION
                 if (QApplication::keypadNavigationEnabled()) {
-                    if (prev->hasEditFocus() && reason != Qt::PopupFocusReason)
+                    if (prev->hasEditFocus() && reason != Qt::PopupFocusReason
+#ifdef Q_OS_SYMBIAN
+                            && reason != Qt::ActiveWindowFocusReason
+#endif
+                            )
                         prev->setEditFocus(false);
                 }
 #endif
@@ -3629,12 +3633,46 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
 
     // walk through parents and check for gestures
     if (qt_gestureManager) {
-        if (receiver->isWidgetType()) {
-            if (qt_gestureManager->filterEvent(static_cast<QWidget *>(receiver), e))
-                return true;
-        } else if (QGesture *gesture = qobject_cast<QGesture *>(receiver)) {
-            if (qt_gestureManager->filterEvent(gesture, e))
-                return true;
+        switch (e->type()) {
+        case QEvent::Paint:
+        case QEvent::MetaCall:
+        case QEvent::DeferredDelete:
+        case QEvent::DragEnter: case QEvent::DragMove: case QEvent::DragLeave:
+        case QEvent::Drop: case QEvent::DragResponse:
+        case QEvent::ChildAdded: case QEvent::ChildPolished:
+#ifdef QT3_SUPPORT
+        case QEvent::ChildInsertedRequest:
+        case QEvent::ChildInserted:
+        case QEvent::LayoutHint:
+#endif
+        case QEvent::ChildRemoved:
+        case QEvent::UpdateRequest:
+        case QEvent::UpdateLater:
+        case QEvent::AccessibilityPrepare:
+        case QEvent::LocaleChange:
+        case QEvent::Style:
+        case QEvent::IconDrag:
+        case QEvent::StyleChange:
+        case QEvent::AccessibilityHelp:
+        case QEvent::AccessibilityDescription:
+        case QEvent::GraphicsSceneDragEnter:
+        case QEvent::GraphicsSceneDragMove:
+        case QEvent::GraphicsSceneDragLeave:
+        case QEvent::GraphicsSceneDrop:
+        case QEvent::DynamicPropertyChange:
+        case QEvent::NetworkReplyUpdated:
+            break;
+        default:
+            if (receiver->isWidgetType()) {
+                if (qt_gestureManager->filterEvent(static_cast<QWidget *>(receiver), e))
+                    return true;
+            } else {
+                // a special case for events that go to QGesture objects.
+                // We pass the object to the gesture manager and it'll figure
+                // out if it's QGesture or not.
+                if (qt_gestureManager->filterEvent(receiver, e))
+                    return true;
+            }
         }
     }
 
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index ab57c32..27f2644 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -361,6 +361,8 @@ void QSymbianControl::ConstructL(bool isWindowOwning, bool desktop)
 
         SetFocusing(true);
         m_longTapDetector = QLongTapTimer::NewL(this);
+
+        DrawableWindow()->SetPointerGrab(ETrue);
     }
 }
 
@@ -472,41 +474,6 @@ void QSymbianControl::HandlePointerEventL(const TPointerEvent& pEvent)
     QT_TRYCATCH_LEAVING(HandlePointerEvent(pEvent));
 }
 
-typedef QPair<QWidget*,QMouseEvent> Event;
-
-/*
- * Helper function called by HandlePointerEvent - separated to keep that function readable
- */
-static void generateEnterLeaveEvents(QList<Event> &events, QWidget *widgetUnderPointer,
-    QPoint globalPos, Qt::MouseButton button, Qt::KeyboardModifiers modifiers)
-{
-    //moved to another widget, create enter and leave events
-    if (S60->lastPointerEventTarget) {
-        QMouseEvent mEventLeave(QEvent::Leave, S60->lastPointerEventTarget->mapFromGlobal(
-            S60->lastCursorPos), S60->lastCursorPos, button, QApplicationPrivate::mouse_buttons,
-            modifiers);
-        events.append(Event(S60->lastPointerEventTarget, mEventLeave));
-    }
-    if (widgetUnderPointer) {
-        QMouseEvent mEventEnter(QEvent::Enter, widgetUnderPointer->mapFromGlobal(globalPos),
-            globalPos, button, QApplicationPrivate::mouse_buttons, modifiers);
-
-        events.append(Event(widgetUnderPointer, mEventEnter));
-#ifndef QT_NO_CURSOR
-        S60->curWin = widgetUnderPointer->effectiveWinId();
-        if (!QApplication::overrideCursor()) {
-#ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS
-            if (S60->brokenPointerCursors)
-                qt_symbian_set_pointer_sprite(widgetUnderPointer->cursor());
-            else
-#endif
-                qt_symbian_setWindowCursor(widgetUnderPointer->cursor(), S60->curWin);
-        }
-#endif
-    }
-}
-
-
 void QSymbianControl::HandlePointerEvent(const TPointerEvent& pEvent)
 {
     QMouseEvent::Type type;
@@ -514,85 +481,77 @@ void QSymbianControl::HandlePointerEvent(const TPointerEvent& pEvent)
     mapS60MouseEventTypeToQt(&type, &button, &pEvent);
     Qt::KeyboardModifiers modifiers = mapToQtModifiers(pEvent.iModifiers);
 
-    if (type == QMouseEvent::None)
-        return;
-
-    // store events for later sending/saving
-    QList<Event > events;
-
     QPoint widgetPos = QPoint(pEvent.iPosition.iX, pEvent.iPosition.iY);
     TPoint controlScreenPos = PositionRelativeToScreen();
     QPoint globalPos = QPoint(controlScreenPos.iX, controlScreenPos.iY) + widgetPos;
+    S60->lastCursorPos = globalPos;
+    S60->lastPointerEventPos = widgetPos;
 
-    // widgets interested in the event
-    QWidget *widgetUnderPointer = qwidget->childAt(widgetPos);
-    if (!widgetUnderPointer)
-        widgetUnderPointer = qwidget; //i.e. this container widget
+    QWidget *mouseGrabber = QWidget::mouseGrabber();
 
-    QWidget *widgetWithMouseGrab = QWidget::mouseGrabber();
+    QWidget *popupWidget = qApp->activePopupWidget();
+    QWidget *popupReceiver = 0;
+    if (popupWidget) {
+        QWidget *popupChild = popupWidget->childAt(popupWidget->mapFromGlobal(globalPos));
+        popupReceiver = popupChild ? popupChild : popupWidget;
+    }
 
-    // handle auto grab of pointer when pressing / releasing
-    if (!widgetWithMouseGrab && type == QEvent::MouseButtonPress) {
-        //if previously auto-grabbed, generate a fake mouse release (platform bug: mouse release event was lost)
-        if (S60->mousePressTarget) {
-            QMouseEvent mEvent(QEvent::MouseButtonRelease, S60->mousePressTarget->mapFromGlobal(globalPos), globalPos,
-                button, QApplicationPrivate::mouse_buttons, modifiers);
-            events.append(Event(S60->mousePressTarget,mEvent));
+    if (mouseGrabber) {
+        if (popupReceiver) {
+            sendMouseEvent(popupReceiver, type, globalPos, button, modifiers);
+        } else {
+            sendMouseEvent(mouseGrabber, type, globalPos, button, modifiers);
         }
-        //auto grab the mouse
-        widgetWithMouseGrab = S60->mousePressTarget = widgetUnderPointer;
-        widgetWithMouseGrab->grabMouse();
-    }
-    if (widgetWithMouseGrab && widgetWithMouseGrab == S60->mousePressTarget && type == QEvent::MouseButtonRelease) {
-        //release the auto grab - note this release event still goes to the autograb widget
-        S60->mousePressTarget = 0;
-        widgetWithMouseGrab->releaseMouse();
+        // No Enter/Leave events in grabbing mode.
+        return;
     }
 
-    QWidget *widgetToReceiveMouseEvent;
-    if (widgetWithMouseGrab)
-        widgetToReceiveMouseEvent = widgetWithMouseGrab;
-    else
-        widgetToReceiveMouseEvent = widgetUnderPointer;
-
-    //queue QEvent::Enter and QEvent::Leave, if the pointer has moved
-    if (widgetUnderPointer != S60->lastPointerEventTarget && (type == QEvent::MouseButtonPress || type == QEvent::MouseButtonDblClick || type == QEvent::MouseMove))
-        generateEnterLeaveEvents(events, widgetUnderPointer, globalPos, button, modifiers);
+    QWidget *widgetUnderPointer = qwidget->childAt(widgetPos);
+    if (!widgetUnderPointer)
+        widgetUnderPointer = qwidget;
 
-    //save global state
-    S60->lastCursorPos = globalPos;
-    S60->lastPointerEventPos = widgetPos;
+    QApplicationPrivate::dispatchEnterLeave(widgetUnderPointer, S60->lastPointerEventTarget);
     S60->lastPointerEventTarget = widgetUnderPointer;
 
+    QWidget *receiver;
+    if (!popupReceiver && S60->mousePressTarget && type != QEvent::MouseButtonPress) {
+        receiver = S60->mousePressTarget;
+        if (type == QEvent::MouseButtonRelease)
+            S60->mousePressTarget = 0;
+    } else {
+        receiver = popupReceiver ? popupReceiver : widgetUnderPointer;
+        if (type == QEvent::MouseButtonPress)
+            S60->mousePressTarget = receiver;
+    }
+
 #if !defined(QT_NO_CURSOR) && !defined(Q_SYMBIAN_FIXED_POINTER_CURSORS)
     if (S60->brokenPointerCursors)
         qt_symbian_move_cursor_sprite();
 #endif
 
-    //queue this event.
-    Q_ASSERT(widgetToReceiveMouseEvent);
-    QMouseEvent mEvent(type, widgetToReceiveMouseEvent->mapFromGlobal(globalPos), globalPos,
+    sendMouseEvent(receiver, type, globalPos, button, modifiers);
+}
+
+void QSymbianControl::sendMouseEvent(
+        QWidget *receiver,
+        QEvent::Type type,
+        const QPoint &globalPos,
+        Qt::MouseButton button,
+        Qt::KeyboardModifiers modifiers)
+{
+    Q_ASSERT(receiver);
+    QMouseEvent mEvent(type, receiver->mapFromGlobal(globalPos), globalPos,
         button, QApplicationPrivate::mouse_buttons, modifiers);
-    events.append(Event(widgetToReceiveMouseEvent,mEvent));
     QEventDispatcherS60 *dispatcher;
     // It is theoretically possible for someone to install a different event dispatcher.
-    if ((dispatcher = qobject_cast<QEventDispatcherS60 *>(widgetToReceiveMouseEvent->d_func()->threadData->eventDispatcher)) != 0) {
+    if ((dispatcher = qobject_cast<QEventDispatcherS60 *>(receiver->d_func()->threadData->eventDispatcher)) != 0) {
         if (dispatcher->excludeUserInputEvents()) {
-            for (int i=0;i < events.count();++i)
-            {
-                Event next = events[i];
-                dispatcher->saveInputEvent(this, next.first, new QMouseEvent(next.second));
-            }
+            dispatcher->saveInputEvent(this, receiver, new QMouseEvent(mEvent));
             return;
         }
     }
 
-    //send events in the queue
-    for (int i=0;i < events.count();++i)
-    {
-        Event next = events[i];
-        sendMouseEvent(next.first, &(next.second));
-    }
+    sendMouseEvent(receiver, &mEvent);
 }
 
 bool QSymbianControl::sendMouseEvent(QWidget *widget, QMouseEvent *mEvent)
@@ -672,27 +631,58 @@ TKeyResponse QSymbianControl::OfferKeyEvent(const TKeyEvent& keyEvent, TEventCod
                         fakeEvent.iType = TPointerEvent::EButton1Up;
                     S60->virtualMouseAccel = 1;
                     S60->virtualMouseLastKey = 0;
+                    switch (keyCode) {
+                    case Qt::Key_Left:
+                        S60->virtualMousePressedKeys &= ~QS60Data::Left;
+                        break;
+                    case Qt::Key_Right:
+                        S60->virtualMousePressedKeys &= ~QS60Data::Right;
+                        break;
+                    case Qt::Key_Up:
+                        S60->virtualMousePressedKeys &= ~QS60Data::Up;
+                        break;
+                    case Qt::Key_Down:
+                        S60->virtualMousePressedKeys &= ~QS60Data::Down;
+                        break;
+                    case Qt::Key_Select:
+                        S60->virtualMousePressedKeys &= ~QS60Data::Select;
+                        break;
+                    }
                 }
                 else if (type == EEventKey) {
                     switch (keyCode) {
                     case Qt::Key_Left:
+                        S60->virtualMousePressedKeys |= QS60Data::Left;
                         x -= S60->virtualMouseAccel;
                         fakeEvent.iType = TPointerEvent::EMove;
                         break;
                     case Qt::Key_Right:
+                        S60->virtualMousePressedKeys |= QS60Data::Right;
                         x += S60->virtualMouseAccel;
                         fakeEvent.iType = TPointerEvent::EMove;
                         break;
                     case Qt::Key_Up:
+                        S60->virtualMousePressedKeys |= QS60Data::Up;
                         y -= S60->virtualMouseAccel;
                         fakeEvent.iType = TPointerEvent::EMove;
                         break;
                     case Qt::Key_Down:
+                        S60->virtualMousePressedKeys |= QS60Data::Down;
                         y += S60->virtualMouseAccel;
                         fakeEvent.iType = TPointerEvent::EMove;
                         break;
                     case Qt::Key_Select:
-                        fakeEvent.iType = TPointerEvent::EButton1Down;
+                        // Platform bug. If you start pressing several keys simultaneously (for
+                        // example for drag'n'drop), Symbian starts producing spurious up and
+                        // down messages for some keys. Therefore, make sure we have a clean slate
+                        // of pressed keys before starting a new button press.
+                        if (S60->virtualMousePressedKeys != 0) {
+                            S60->virtualMousePressedKeys |= QS60Data::Select;
+                            return EKeyWasConsumed;
+                        } else {
+                            S60->virtualMousePressedKeys |= QS60Data::Select;
+                            fakeEvent.iType = TPointerEvent::EButton1Down;
+                        }
                         break;
                     }
                 }
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 311cf24..2ed2191 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -317,7 +317,9 @@ extern "C" {
             // since we accepted the drag enter event, the widget expects
             // future drage move events.
             // ### check if we need to treat this like the drag enter event.
-            nsActions = QT_PREPEND_NAMESPACE(qt_mac_mapDropAction)(qDEEvent.dropAction());
+            nsActions = NSDragOperationNone;
+            // Save as ignored in the answer rect.
+            qDMEvent.setDropAction(Qt::IgnoreAction);
         } else {
             nsActions = QT_PREPEND_NAMESPACE(qt_mac_mapDropAction)(qDMEvent.dropAction());
         }
@@ -325,7 +327,6 @@ extern "C" {
         return nsActions;
     }
  }
-
 - (NSDragOperation)draggingUpdated:(id < NSDraggingInfo >)sender
 {
     // NB: This function is called from QCoocaWindow/QCocoaPanel rather than directly
@@ -366,13 +367,15 @@ extern "C" {
     qDMEvent.setDropAction(QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec).lastAction);
     qDMEvent.accept();
     QApplication::sendEvent(qwidget, &qDMEvent);
-    qt_mac_copy_answer_rect(qDMEvent);
 
     NSDragOperation operation = qt_mac_mapDropAction(qDMEvent.dropAction());
     if (!qDMEvent.isAccepted() || qDMEvent.dropAction() == Qt::IgnoreAction) {
         // ignore this event (we will still receive further notifications)
         operation = NSDragOperationNone;
+        // Save as ignored in the answer rect.
+        qDMEvent.setDropAction(Qt::IgnoreAction);
     }
+    qt_mac_copy_answer_rect(qDMEvent);
     return operation;
 }
 
@@ -735,7 +738,7 @@ extern "C" {
     NSPoint windowPoint = [theEvent locationInWindow];
     NSPoint globalPoint = [[theEvent window] convertBaseToScreen:windowPoint];
     NSPoint localPoint = [self convertPoint:windowPoint fromView:nil];
-    QPoint qlocal = QPoint(localPoint.x, flipYCoordinate(localPoint.y));
+    QPoint qlocal = QPoint(localPoint.x, localPoint.y);
     QPoint qglobal = QPoint(globalPoint.x, flipYCoordinate(globalPoint.y));
     Qt::MouseButtons buttons = QApplication::mouseButtons();
     bool wheelOK = false;
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index c4a25e1..eedf0a7 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -409,7 +409,7 @@ QMouseEventEx::~QMouseEventEx()
     consider a top-level window A containing a child B which in turn contains a
     child C (all with mouse tracking enabled):
 
-    \image hoverEvents.png
+    \image hoverevents.png
 
     Now, if you move the cursor from the top to the bottom in the middle of A,
     you will get the following QEvent::MouseMove events:
@@ -432,7 +432,7 @@ QMouseEventEx::~QMouseEventEx()
         \o A::HoverMove, B::HoverMove
         \o A::HoverMove, B::HoverMove, C::HoverMove
     \endlist
-    
+
 */
 
 /*!
@@ -3023,7 +3023,7 @@ QShowEvent::~QShowEvent()
     This event is only used to notify the application of a request.
     It may be safely ignored.
 
-    \note This class is currently supported for Mac Os X only.
+    \note This class is currently supported for Mac OS X only.
 */
 
 /*!
@@ -3066,6 +3066,8 @@ QFileOpenEvent::~QFileOpenEvent()
     \fn QUrl QFileOpenEvent::url() const
 
     Returns the url that is being opened.
+
+    \since 4.6
 */
 QUrl QFileOpenEvent::url() const
 {
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 192f9ac..d7cbebd 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -187,10 +187,8 @@ QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recogni
 #endif
     }
 
-    QList<QGesture *> states =
-            m_objectGestures.value(QGestureManager::ObjectGesture(object, type));
     // check if the QGesture for this recognizer has already been created
-    foreach (QGesture *state, states) {
+    foreach (QGesture *state, m_objectGestures.value(QGestureManager::ObjectGesture(object, type))) {
         if (m_gestureToRecognizer.value(state) == recognizer)
             return state;
     }
@@ -215,14 +213,13 @@ QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recogni
     return state;
 }
 
-bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
+bool QGestureManager::filterEventThroughContexts(const QMultiMap<QObject *,
                                                  Qt::GestureType> &contexts,
                                                  QEvent *event)
 {
     QSet<QGesture *> triggeredGestures;
     QSet<QGesture *> finishedGestures;
     QSet<QGesture *> newMaybeGestures;
-    QSet<QGesture *> canceledGestures;
     QSet<QGesture *> notGestures;
 
     // TODO: sort contexts by the gesture type and check if one of the contexts
@@ -231,7 +228,7 @@ bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
     bool ret = false;
 
     // filter the event through recognizers
-    typedef QHash<QObject *, Qt::GestureType>::const_iterator ContextIterator;
+    typedef QMultiMap<QObject *, Qt::GestureType>::const_iterator ContextIterator;
     for (ContextIterator cit = contexts.begin(), ce = contexts.end(); cit != ce; ++cit) {
         Qt::GestureType gestureType = cit.value();
         QMap<Qt::GestureType, QGestureRecognizer *>::const_iterator
@@ -271,6 +268,9 @@ bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
             }
         }
     }
+    if (triggeredGestures.isEmpty() && finishedGestures.isEmpty()
+        && newMaybeGestures.isEmpty() && notGestures.isEmpty())
+        return ret;
 
     QSet<QGesture *> startedGestures = triggeredGestures - m_activeGestures;
     triggeredGestures &= m_activeGestures;
@@ -280,8 +280,7 @@ bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
 
     // check if a running gesture switched back to not gesture state,
     // i.e. were canceled
-    QSet<QGesture *> activeToCancelGestures = m_activeGestures & notGestures;
-    canceledGestures += activeToCancelGestures;
+    QSet<QGesture *> canceledGestures = m_activeGestures & notGestures;
 
     // start timers for new gestures in maybe state
     foreach (QGesture *state, newMaybeGestures) {
@@ -449,14 +448,14 @@ void QGestureManager::cleanupGesturesForRemovedRecognizer(QGesture *gesture)
 // return true if accepted (consumed)
 bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
 {
-    QSet<Qt::GestureType> types;
-    QMultiHash<QObject *, Qt::GestureType> contexts;
+    QMap<Qt::GestureType, int> types;
+    QMultiMap<QObject *, Qt::GestureType> contexts;
     QWidget *w = receiver;
     typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator;
     if (!w->d_func()->gestureContext.isEmpty()) {
         for(ContextIterator it = w->d_func()->gestureContext.begin(),
             e = w->d_func()->gestureContext.end(); it != e; ++it) {
-            types.insert(it.key());
+            types.insert(it.key(), 0);
             contexts.insertMulti(w, it.key());
         }
     }
@@ -468,7 +467,7 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
              e = w->d_func()->gestureContext.end(); it != e; ++it) {
             if (!(it.value() & Qt::DontStartGestureOnChildren)) {
                 if (!types.contains(it.key())) {
-                    types.insert(it.key());
+                    types.insert(it.key(), 0);
                     contexts.insertMulti(w, it.key());
                 }
             }
@@ -477,20 +476,20 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
             break;
         w = w->parentWidget();
     }
-    return filterEventThroughContexts(contexts, event);
+    return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event);
 }
 
 #ifndef QT_NO_GRAPHICSVIEW
 bool QGestureManager::filterEvent(QGraphicsObject *receiver, QEvent *event)
 {
-    QSet<Qt::GestureType> types;
-    QMultiHash<QObject *, Qt::GestureType> contexts;
+    QMap<Qt::GestureType, int> types;
+    QMultiMap<QObject *, Qt::GestureType> contexts;
     QGraphicsObject *item = receiver;
     if (!item->QGraphicsItem::d_func()->gestureContext.isEmpty()) {
         typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator;
         for(ContextIterator it = item->QGraphicsItem::d_func()->gestureContext.begin(),
             e = item->QGraphicsItem::d_func()->gestureContext.end(); it != e; ++it) {
-            types.insert(it.key());
+            types.insert(it.key(), 0);
             contexts.insertMulti(item, it.key());
         }
     }
@@ -503,20 +502,23 @@ bool QGestureManager::filterEvent(QGraphicsObject *receiver, QEvent *event)
              e = item->QGraphicsItem::d_func()->gestureContext.end(); it != e; ++it) {
             if (!(it.value() & Qt::DontStartGestureOnChildren)) {
                 if (!types.contains(it.key())) {
-                    types.insert(it.key());
+                    types.insert(it.key(), 0);
                     contexts.insertMulti(item, it.key());
                 }
             }
         }
         item = item->parentObject();
     }
-    return filterEventThroughContexts(contexts, event);
+    return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event);
 }
 #endif
 
-bool QGestureManager::filterEvent(QGesture *state, QEvent *event)
+bool QGestureManager::filterEvent(QObject *receiver, QEvent *event)
 {
-    QMultiHash<QObject *, Qt::GestureType> contexts;
+    if (!m_gestureToRecognizer.contains(static_cast<QGesture *>(receiver)))
+        return false;
+    QGesture *state = static_cast<QGesture *>(receiver);
+    QMultiMap<QObject *, Qt::GestureType> contexts;
     contexts.insert(state, state->gestureType());
     return filterEventThroughContexts(contexts, event);
 }
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h
index 4efa10b..5329d1d 100644
--- a/src/gui/kernel/qgesturemanager_p.h
+++ b/src/gui/kernel/qgesturemanager_p.h
@@ -73,7 +73,7 @@ public:
     void unregisterGestureRecognizer(Qt::GestureType type);
 
     bool filterEvent(QWidget *receiver, QEvent *event);
-    bool filterEvent(QGesture *receiver, QEvent *event);
+    bool filterEvent(QObject *receiver, QEvent *event);
 #ifndef QT_NO_GRAPHICSVIEW
     bool filterEvent(QGraphicsObject *receiver, QEvent *event);
 #endif //QT_NO_GRAPHICSVIEW
@@ -86,7 +86,7 @@ public:
 
 protected:
     void timerEvent(QTimerEvent *event);
-    bool filterEventThroughContexts(const QMultiHash<QObject *, Qt::GestureType> &contexts,
+    bool filterEventThroughContexts(const QMultiMap<QObject *, Qt::GestureType> &contexts,
                                     QEvent *event);
 
 private:
diff --git a/src/gui/kernel/qguieventdispatcher_glib.cpp b/src/gui/kernel/qguieventdispatcher_glib.cpp
index fc6bc54..475d245 100644
--- a/src/gui/kernel/qguieventdispatcher_glib.cpp
+++ b/src/gui/kernel/qguieventdispatcher_glib.cpp
@@ -152,6 +152,8 @@ static gboolean x11EventSourceDispatch(GSource *s, GSourceFunc callback, gpointe
 
  out:
 
+    source->d->runTimersOnceWithNormalPriority();
+
     if (callback)
         callback(user_data);
     return true;
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index 08f8bb5..737e9d7 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -103,6 +103,14 @@ public:
     int defaultDpiY;
     WId curWin;
     int virtualMouseLastKey;
+    enum PressedKeys {
+        Select = 0x1,
+        Right = 0x2,
+        Down = 0x4,
+        Left = 0x8,
+        Up = 0x10
+    };
+    int virtualMousePressedKeys; // of the above type, but avoids casting problems
     int virtualMouseAccel;
     int virtualMouseMaxAccel;
 #ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS
@@ -192,6 +200,12 @@ private:
     TKeyResponse OfferKeyEvent(const TKeyEvent& aKeyEvent,TEventCode aType);
     TKeyResponse sendKeyEvent(QWidget *widget, QKeyEvent *keyEvent);
     bool sendMouseEvent(QWidget *widget, QMouseEvent *mEvent);
+    void sendMouseEvent(
+            QWidget *receiver,
+            QEvent::Type type,
+            const QPoint &globalPos,
+            Qt::MouseButton button,
+            Qt::KeyboardModifiers modifiers);
     void HandleLongTapEventL( const TPoint& aPenEventLocation, const TPoint& aPenEventScreenLocation );
 #ifdef QT_SYMBIAN_SUPPORTS_ADVANCED_POINTER
     void translateAdvancedPointerEvent(const TAdvancedPointerEvent *event);
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 63afb0d..3925905 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -4493,10 +4493,14 @@ void QWidgetPrivate::createTLSysExtra()
 void QWidgetPrivate::deleteTLSysExtra()
 {
 #ifndef QT_MAC_USE_COCOA
-    if(extra->topextra->group) {
+    if (extra->topextra->group) {
         qt_mac_release_window_group(extra->topextra->group);
         extra->topextra->group = 0;
     }
+    if (extra->topextra->windowIcon) {
+        ReleaseIconRef(extra->topextra->windowIcon);
+        extra->topextra->windowIcon = 0;
+    }
 #endif
 }
 
diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri
index 628a109..a6cc9c7 100644
--- a/src/gui/painting/painting.pri
+++ b/src/gui/painting/painting.pri
@@ -379,6 +379,13 @@ symbian {
         QMAKE_CXXFLAGS.ARMCC *= -O3
 }
 
+neon {
+    DEFINES += QT_HAVE_NEON
+    HEADERS += painting/qdrawhelper_neon_p.h
+    SOURCES += painting/qdrawhelper_neon.cpp
+    QMAKE_CXXFLAGS *= -mfpu=neon
+}
+
 contains(QT_CONFIG, zlib) {
    INCLUDEPATH += ../3rdparty/zlib
 } else:!contains(QT_CONFIG, no-zlib) {
diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp
index a6b4cef..f626494 100644
--- a/src/gui/painting/qbezier.cpp
+++ b/src/gui/painting/qbezier.cpp
@@ -497,7 +497,7 @@ static bool addCircle(const QBezier *b, qreal offset, QBezier *o)
             cos_a = 1.;
         if (cos_a < -1.)
             cos_a = -1;
-        angles[i] = acos(cos_a)/Q_PI;
+        angles[i] = qAcos(cos_a)/Q_PI;
     }
 
     if (angles[0] + angles[1] > 1.) {
@@ -816,17 +816,17 @@ bool QBezier::findIntersections(const QBezier &a, const QBezier &b,
                                 QVector<QPair<qreal, qreal> > *t)
 {
     if (IntersectBB(a, b)) {
-        QPointF la1(fabs((a.x3 - a.x2) - (a.x2 - a.x1)),
-                    fabs((a.y3 - a.y2) - (a.y2 - a.y1)));
-	QPointF la2(fabs((a.x4 - a.x3) - (a.x3 - a.x2)),
-                    fabs((a.y4 - a.y3) - (a.y3 - a.y2)));
+        QPointF la1(qFabs((a.x3 - a.x2) - (a.x2 - a.x1)),
+                    qFabs((a.y3 - a.y2) - (a.y2 - a.y1)));
+	QPointF la2(qFabs((a.x4 - a.x3) - (a.x3 - a.x2)),
+                    qFabs((a.y4 - a.y3) - (a.y3 - a.y2)));
 	QPointF la;
 	if (la1.x() > la2.x()) la.setX(la1.x()); else la.setX(la2.x());
 	if (la1.y() > la2.y()) la.setY(la1.y()); else la.setY(la2.y());
-	QPointF lb1(fabs((b.x3 - b.x2) - (b.x2 - b.x1)),
-                    fabs((b.y3 - b.y2) - (b.y2 - b.y1)));
-	QPointF lb2(fabs((b.x4 - b.x3) - (b.x3 - b.x2)),
-                    fabs((b.y4 - b.y3) - (b.y3 - b.y2)));
+	QPointF lb1(qFabs((b.x3 - b.x2) - (b.x2 - b.x1)),
+                    qFabs((b.y3 - b.y2) - (b.y2 - b.y1)));
+	QPointF lb2(qFabs((b.x4 - b.x3) - (b.x3 - b.x2)),
+                    qFabs((b.y4 - b.y3) - (b.y3 - b.y2)));
 	QPointF lb;
 	if (lb1.x() > lb2.x()) lb.setX(lb1.x()); else lb.setX(lb2.x());
 	if (lb1.y() > lb2.y()) lb.setY(lb1.y()); else lb.setY(lb2.y());
@@ -1120,7 +1120,7 @@ static inline void bindInflectionPoint(const QBezier &bez, const qreal t,
     qreal ey = 3 * (right.y2 - right.y3);
 
     qreal s4 = qAbs(6 * (ey * ax - ex * ay) / qSqrt(ex * ex + ey * ey)) + 0.00001f;
-    qreal tf = pow(qreal(9 * flatness / s4), qreal(1./3.));
+    qreal tf = qPow(qreal(9 * flatness / s4), qreal(1./3.));
     *tMinus = t - (1 - t) * tf;
     *tPlus  = t + (1 - t) * tf;
 }
diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp
index 1d15dac..81d1515 100644
--- a/src/gui/painting/qblendfunctions.cpp
+++ b/src/gui/painting/qblendfunctions.cpp
@@ -605,7 +605,7 @@ static void qt_blend_argb32_on_argb32(uchar *destPixels, int dbpl,
 }
 
 
-static void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl,
+void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl,
                              const uchar *srcPixels, int sbpl,
                              int w, int h,
                              int const_alpha)
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 4df7f8a..84cf5cc 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -44,6 +44,7 @@
 #include <private/qpainter_p.h>
 #include <private/qdrawhelper_x86_p.h>
 #include <private/qdrawhelper_armv6_p.h>
+#include <private/qdrawhelper_neon_p.h>
 #include <private/qmath_p.h>
 #include <qmath.h>
 
@@ -1182,7 +1183,7 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato
         rx -= data->gradient.conical.center.x;
         ry -= data->gradient.conical.center.y;
         while (buffer < end) {
-            qreal angle = atan2(ry, rx) + data->gradient.conical.angle;
+            qreal angle = qAtan2(ry, rx) + data->gradient.conical.angle;
 
             *buffer = qt_gradient_pixel(&data->gradient, 1 - angle / (2*Q_PI));
 
@@ -1196,7 +1197,7 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato
         if (!rw)
             rw = 1;
         while (buffer < end) {
-            qreal angle = atan2(ry/rw - data->gradient.conical.center.x,
+            qreal angle = qAtan2(ry/rw - data->gradient.conical.center.x,
                                 rx/rw - data->gradient.conical.center.y)
                           + data->gradient.conical.angle;
 
@@ -7140,17 +7141,17 @@ void qt_build_pow_tables() {
     }
 #else
     for (int i=0; i<256; ++i) {
-        qt_pow_rgb_gamma[i] = uchar(qRound(pow(i / qreal(255.0), smoothing) * 255));
-        qt_pow_rgb_invgamma[i] = uchar(qRound(pow(i / qreal(255.), 1 / smoothing) * 255));
+        qt_pow_rgb_gamma[i] = uchar(qRound(qPow(i / qreal(255.0), smoothing) * 255));
+        qt_pow_rgb_invgamma[i] = uchar(qRound(qPow(i / qreal(255.), 1 / smoothing) * 255));
     }
 #endif
 
 #if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
     const qreal gray_gamma = 2.31;
     for (int i=0; i<256; ++i)
-        qt_pow_gamma[i] = uint(qRound(pow(i / qreal(255.), gray_gamma) * 2047));
+        qt_pow_gamma[i] = uint(qRound(qPow(i / qreal(255.), gray_gamma) * 2047));
     for (int i=0; i<2048; ++i)
-        qt_pow_invgamma[i] = uchar(qRound(pow(i / 2047.0, 1 / gray_gamma) * 255));
+        qt_pow_invgamma[i] = uchar(qRound(qPow(i / 2047.0, 1 / gray_gamma) * 255));
 #endif
 }
 
@@ -7725,7 +7726,8 @@ enum CPUFeatures {
     SSE         = 0x10,
     SSE2        = 0x20,
     CMOV        = 0x40,
-    IWMMXT      = 0x80
+    IWMMXT      = 0x80,
+    NEON        = 0x100
 };
 
 static uint detectCPUFeatures()
@@ -7751,6 +7753,9 @@ static uint detectCPUFeatures()
     // runtime detection only available when running as a previlegied process
     static const bool doIWMMXT = !qgetenv("QT_NO_IWMMXT").toInt();
     return doIWMMXT ? IWMMXT : 0;
+#elif defined(QT_HAVE_NEON)
+    static const bool doNEON = !qgetenv("QT_NO_NEON").toInt();
+    return doNEON ? NEON : 0;
 #else
     uint features = 0;
 #if defined(__x86_64__) || defined(Q_OS_WIN64)
@@ -8122,7 +8127,14 @@ void qInitDrawhelperAsm()
         qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_armv6;
         qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_armv6;
         qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_armv6;
-#endif // Q_CC_RVCT && QT_HAVE_ARMV6
+#elif defined(QT_HAVE_NEON)
+        if (features & NEON) {
+            qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_neon;
+            qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_neon;
+            qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_neon;
+            qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_neon;
+        }
+#endif
 
     if (functionForModeSolidAsm) {
         const int destinationMode = QPainter::CompositionMode_Destination;
diff --git a/src/gui/painting/qdrawhelper_neon.cpp b/src/gui/painting/qdrawhelper_neon.cpp
new file mode 100644
index 0000000..7fe11bf
--- /dev/null
+++ b/src/gui/painting/qdrawhelper_neon.cpp
@@ -0,0 +1,260 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <private/qdrawhelper_p.h>
+
+#ifdef QT_HAVE_NEON
+
+#include <private/qdrawhelper_neon_p.h>
+#include <arm_neon.h>
+
+QT_BEGIN_NAMESPACE
+
+static inline int16x8_t qvdiv_255_s16(int16x8_t x, int16x8_t half)
+{
+    // result = (x + (x >> 8) + 0x80) >> 8
+
+    const int16x8_t temp = vshrq_n_s16(x, 8); // x >> 8
+    const int16x8_t sum_part = vaddq_s16(x, half); // x + 0x80
+    const int16x8_t sum = vaddq_s16(temp, sum_part);
+
+    return vreinterpretq_s16_u16(vshrq_n_u16(vreinterpretq_u16_s16(sum), 8));
+}
+
+static inline int16x8_t qvbyte_mul_s16(int16x8_t x, int16x8_t alpha, int16x8_t half)
+{
+    // t = qRound(x * alpha / 255.0)
+
+    const int16x8_t t = vmulq_s16(x, alpha); // t
+    return qvdiv_255_s16(t, half);
+}
+
+static inline int16x8_t qvinterpolate_pixel_255(int16x8_t x, int16x8_t a, int16x8_t y, int16x8_t b, int16x8_t half)
+{
+    // t = x * a + y * b
+
+    const int16x8_t ta = vmulq_s16(x, a);
+    const int16x8_t tb = vmulq_s16(y, b);
+
+    return qvdiv_255_s16(vaddq_s16(ta, tb), half);
+}
+
+static inline int16x8_t qvsource_over_s16(int16x8_t src16, int16x8_t dst16, int16x8_t half, int16x8_t full)
+{
+    const int16x4_t alpha16_high = vdup_lane_s16(vget_high_s16(src16), 3);
+    const int16x4_t alpha16_low = vdup_lane_s16(vget_low_s16(src16), 3);
+
+    const int16x8_t alpha16 = vsubq_s16(full, vcombine_s16(alpha16_low, alpha16_high));
+
+    return vaddq_s16(src16, qvbyte_mul_s16(dst16, alpha16, half));
+}
+
+void qt_blend_argb32_on_argb32_neon(uchar *destPixels, int dbpl,
+                                    const uchar *srcPixels, int sbpl,
+                                    int w, int h,
+                                    int const_alpha)
+{
+    const uint *src = (const uint *) srcPixels;
+    uint *dst = (uint *) destPixels;
+    int16x8_t half = vdupq_n_s16(0x80);
+    int16x8_t full = vdupq_n_s16(0xff);
+    if (const_alpha == 256) {
+        for (int y = 0; y < h; ++y) {
+            int x = 0;
+            for (; x < w-3; x += 4) {
+                int32x4_t src32 = vld1q_s32((int32_t *)&src[x]);
+                if ((src[x] & src[x+1] & src[x+2] & src[x+3]) >= 0xff000000) {
+                    // all opaque
+                    vst1q_s32((int32_t *)&dst[x], src32);
+                } else if (src[x] | src[x+1] | src[x+2] | src[x+3]) {
+                    int32x4_t dst32 = vld1q_s32((int32_t *)&dst[x]);
+
+                    const uint8x16_t src8 = vreinterpretq_u8_s32(src32);
+                    const uint8x16_t dst8 = vreinterpretq_u8_s32(dst32);
+
+                    const uint8x8_t src8_low = vget_low_u8(src8);
+                    const uint8x8_t dst8_low = vget_low_u8(dst8);
+
+                    const uint8x8_t src8_high = vget_high_u8(src8);
+                    const uint8x8_t dst8_high = vget_high_u8(dst8);
+
+                    const int16x8_t src16_low = vreinterpretq_s16_u16(vmovl_u8(src8_low));
+                    const int16x8_t dst16_low = vreinterpretq_s16_u16(vmovl_u8(dst8_low));
+
+                    const int16x8_t src16_high = vreinterpretq_s16_u16(vmovl_u8(src8_high));
+                    const int16x8_t dst16_high = vreinterpretq_s16_u16(vmovl_u8(dst8_high));
+
+                    const int16x8_t result16_low = qvsource_over_s16(src16_low, dst16_low, half, full);
+                    const int16x8_t result16_high = qvsource_over_s16(src16_high, dst16_high, half, full);
+
+                    const int32x2_t result32_low = vreinterpret_s32_s8(vmovn_s16(result16_low));
+                    const int32x2_t result32_high = vreinterpret_s32_s8(vmovn_s16(result16_high));
+
+                    vst1q_s32((int32_t *)&dst[x], vcombine_s32(result32_low, result32_high));
+                }
+            }
+            for (; x<w; ++x) {
+                uint s = src[x];
+                if (s >= 0xff000000)
+                    dst[x] = s;
+                else if (s != 0)
+                    dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s));
+            }
+            dst = (quint32 *)(((uchar *) dst) + dbpl);
+            src = (const quint32 *)(((const uchar *) src) + sbpl);
+        }
+    } else if (const_alpha != 0) {
+        const_alpha = (const_alpha * 255) >> 8;
+        int16x8_t const_alpha16 = vdupq_n_s16(const_alpha);
+        for (int y = 0; y < h; ++y) {
+            int x = 0;
+            for (; x < w-3; x += 4) {
+                if (src[x] | src[x+1] | src[x+2] | src[x+3]) {
+                    int32x4_t src32 = vld1q_s32((int32_t *)&src[x]);
+                    int32x4_t dst32 = vld1q_s32((int32_t *)&dst[x]);
+
+                    const uint8x16_t src8 = vreinterpretq_u8_s32(src32);
+                    const uint8x16_t dst8 = vreinterpretq_u8_s32(dst32);
+
+                    const uint8x8_t src8_low = vget_low_u8(src8);
+                    const uint8x8_t dst8_low = vget_low_u8(dst8);
+
+                    const uint8x8_t src8_high = vget_high_u8(src8);
+                    const uint8x8_t dst8_high = vget_high_u8(dst8);
+
+                    const int16x8_t src16_low = vreinterpretq_s16_u16(vmovl_u8(src8_low));
+                    const int16x8_t dst16_low = vreinterpretq_s16_u16(vmovl_u8(dst8_low));
+
+                    const int16x8_t src16_high = vreinterpretq_s16_u16(vmovl_u8(src8_high));
+                    const int16x8_t dst16_high = vreinterpretq_s16_u16(vmovl_u8(dst8_high));
+
+                    const int16x8_t srcalpha16_low = qvbyte_mul_s16(src16_low, const_alpha16, half);
+                    const int16x8_t srcalpha16_high = qvbyte_mul_s16(src16_high, const_alpha16, half);
+
+                    const int16x8_t result16_low = qvsource_over_s16(srcalpha16_low, dst16_low, half, full);
+                    const int16x8_t result16_high = qvsource_over_s16(srcalpha16_high, dst16_high, half, full);
+
+                    const int32x2_t result32_low = vreinterpret_s32_s8(vmovn_s16(result16_low));
+                    const int32x2_t result32_high = vreinterpret_s32_s8(vmovn_s16(result16_high));
+
+                    vst1q_s32((int32_t *)&dst[x], vcombine_s32(result32_low, result32_high));
+                }
+            }
+            for (; x<w; ++x) {
+                uint s = src[x];
+                if (s != 0) {
+                    s = BYTE_MUL(s, const_alpha);
+                    dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s));
+                }
+            }
+            dst = (quint32 *)(((uchar *) dst) + dbpl);
+            src = (const quint32 *)(((const uchar *) src) + sbpl);
+        }
+    }
+}
+
+// qblendfunctions.cpp
+void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl,
+                             const uchar *srcPixels, int sbpl,
+                             int w, int h,
+                             int const_alpha);
+
+void qt_blend_rgb32_on_rgb32_neon(uchar *destPixels, int dbpl,
+                                  const uchar *srcPixels, int sbpl,
+                                  int w, int h,
+                                  int const_alpha)
+{
+    if (const_alpha != 256) {
+        if (const_alpha != 0) {
+            const uint *src = (const uint *) srcPixels;
+            uint *dst = (uint *) destPixels;
+            int16x8_t half = vdupq_n_s16(0x80);
+            const_alpha = (const_alpha * 255) >> 8;
+            int one_minus_const_alpha = 255 - const_alpha;
+            int16x8_t const_alpha16 = vdupq_n_s16(const_alpha);
+            int16x8_t one_minus_const_alpha16 = vdupq_n_s16(255 - const_alpha);
+            for (int y = 0; y < h; ++y) {
+                int x = 0;
+                for (; x < w-3; x += 4) {
+                    int32x4_t src32 = vld1q_s32((int32_t *)&src[x]);
+                    int32x4_t dst32 = vld1q_s32((int32_t *)&dst[x]);
+
+                    const uint8x16_t src8 = vreinterpretq_u8_s32(src32);
+                    const uint8x16_t dst8 = vreinterpretq_u8_s32(dst32);
+
+                    const uint8x8_t src8_low = vget_low_u8(src8);
+                    const uint8x8_t dst8_low = vget_low_u8(dst8);
+
+                    const uint8x8_t src8_high = vget_high_u8(src8);
+                    const uint8x8_t dst8_high = vget_high_u8(dst8);
+
+                    const int16x8_t src16_low = vreinterpretq_s16_u16(vmovl_u8(src8_low));
+                    const int16x8_t dst16_low = vreinterpretq_s16_u16(vmovl_u8(dst8_low));
+
+                    const int16x8_t src16_high = vreinterpretq_s16_u16(vmovl_u8(src8_high));
+                    const int16x8_t dst16_high = vreinterpretq_s16_u16(vmovl_u8(dst8_high));
+
+                    const int16x8_t result16_low = qvinterpolate_pixel_255(src16_low, const_alpha16, dst16_low, one_minus_const_alpha16, half);
+                    const int16x8_t result16_high = qvinterpolate_pixel_255(src16_high, const_alpha16, dst16_high, one_minus_const_alpha16, half);
+
+                    const int32x2_t result32_low = vreinterpret_s32_s8(vmovn_s16(result16_low));
+                    const int32x2_t result32_high = vreinterpret_s32_s8(vmovn_s16(result16_high));
+
+                    vst1q_s32((int32_t *)&dst[x], vcombine_s32(result32_low, result32_high));
+                }
+                for (; x<w; ++x) {
+                    uint s = src[x];
+                    s = BYTE_MUL(s, const_alpha);
+                    dst[x] = INTERPOLATE_PIXEL_255(src[x], const_alpha, dst[x], one_minus_const_alpha);
+                }
+                dst = (quint32 *)(((uchar *) dst) + dbpl);
+                src = (const quint32 *)(((const uchar *) src) + sbpl);
+            }
+        }
+    } else {
+        qt_blend_rgb32_on_rgb32(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_HAVE_NEON
+
diff --git a/src/gui/painting/qdrawhelper_neon_p.h b/src/gui/painting/qdrawhelper_neon_p.h
new file mode 100644
index 0000000..cb9a0d6
--- /dev/null
+++ b/src/gui/painting/qdrawhelper_neon_p.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDRAWHELPER_NEON_P_H
+#define QDRAWHELPER_NEON_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qdrawhelper_p.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifdef QT_HAVE_NEON
+
+void qt_blend_argb32_on_argb32_neon(uchar *destPixels, int dbpl,
+                                            const uchar *srcPixels, int sbpl,
+                                            int w, int h,
+                                            int const_alpha);
+
+void qt_blend_rgb32_on_rgb32_neon(uchar *destPixels, int dbpl,
+                                  const uchar *srcPixels, int sbpl,
+                                  int w, int h,
+                                  int const_alpha);
+
+#endif // QT_HAVE_NEON
+
+QT_END_NAMESPACE
+
+#endif // QDRAWHELPER_NEON_P_H
diff --git a/src/gui/painting/qmemrotate.cpp b/src/gui/painting/qmemrotate.cpp
index 67dc2c7..e3a6f78 100644
--- a/src/gui/painting/qmemrotate.cpp
+++ b/src/gui/painting/qmemrotate.cpp
@@ -572,5 +572,26 @@ QT_IMPL_MEMROTATE(quint32, qrgb_generic16)
 QT_IMPL_MEMROTATE(quint16, qrgb_generic16)
 #endif
 
+struct qrgb_gl_rgba
+{
+public:
+    inline qrgb_gl_rgba(quint32 v) {
+        if (QSysInfo::ByteOrder == QSysInfo::LittleEndian)
+            data = ((v << 16) & 0xff0000) | ((v >> 16) & 0xff) | (v & 0xff00ff00);
+        else
+            data = (v << 8) | ((v >> 24) & 0xff);
+    }
+
+    inline operator quint32() const { return data; }
+
+private:
+    quint32 data;
+} Q_PACKED;
+
+void Q_GUI_EXPORT qt_memrotate90_gl(const quint32 *src, int srcWidth, int srcHeight, int srcStride,
+                                    quint32 *dest, int dstStride)
+{
+    qt_memrotate90_template(src, srcWidth, srcHeight, srcStride, reinterpret_cast<qrgb_gl_rgba *>(dest), dstStride);
+}
 
 QT_END_NAMESPACE
diff --git a/src/gui/painting/qmemrotate_p.h b/src/gui/painting/qmemrotate_p.h
index 676a880..8aee575 100644
--- a/src/gui/painting/qmemrotate_p.h
+++ b/src/gui/painting/qmemrotate_p.h
@@ -81,6 +81,8 @@ QT_BEGIN_NAMESPACE
     void Q_GUI_QWS_EXPORT qt_memrotate180(const srctype*, int, int, int, desttype*, int); \
     void Q_GUI_QWS_EXPORT qt_memrotate270(const srctype*, int, int, int, desttype*, int)
 
+void Q_GUI_EXPORT qt_memrotate90(const quint32*, int, int, int, quint32*, int);
+
 QT_DECL_MEMROTATE(quint32, quint32);
 QT_DECL_MEMROTATE(quint32, quint16);
 QT_DECL_MEMROTATE(quint16, quint32);
diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index 51d6195..a41ab6d 100644
--- a/src/gui/painting/qpathclipper.cpp
+++ b/src/gui/painting/qpathclipper.cpp
@@ -1209,7 +1209,7 @@ static qreal computeAngle(const QPointF &v)
     }
 #else
     // doesn't seem to be robust enough
-    return atan2(v.x(), v.y()) + Q_PI;
+    return qAtan2(v.x(), v.y()) + Q_PI;
 #endif
 }
 
diff --git a/src/gui/painting/qstroker.cpp b/src/gui/painting/qstroker.cpp
index 228a6b1..8bb4728 100644
--- a/src/gui/painting/qstroker.cpp
+++ b/src/gui/painting/qstroker.cpp
@@ -910,8 +910,8 @@ QPointF qt_curves_for_arc(const QRectF &rect, qreal startAngle, qreal sweepLengt
         }
     }
 
-    int startSegment = int(floor(startAngle / 90));
-    int endSegment = int(floor((startAngle + sweepLength) / 90));
+    int startSegment = int(qFloor(startAngle / 90));
+    int endSegment = int(qFloor((startAngle + sweepLength) / 90));
 
     qreal startT = (startAngle - startSegment * 90) / 90;
     qreal endT = (startAngle + sweepLength - endSegment * 90) / 90;
diff --git a/src/gui/painting/qwindowsurface_s60.cpp b/src/gui/painting/qwindowsurface_s60.cpp
index c66da71..15427c6 100644
--- a/src/gui/painting/qwindowsurface_s60.cpp
+++ b/src/gui/painting/qwindowsurface_s60.cpp
@@ -68,12 +68,14 @@ QS60WindowSurface::QS60WindowSurface(QWidget* widget)
         mode = EColor16MA; // Try for transparency anyway
 
     // We create empty CFbsBitmap here -> it will be resized in setGeometry
-	CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);	// CBase derived object needs check on new
+    CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);	// CBase derived object needs check on new
     qt_symbian_throwIfError( bitmap->Create( TSize(0, 0), mode ) );
 	
     QS60PixmapData *data = new QS60PixmapData(QPixmapData::PixmapType);
-    data->fromSymbianBitmap(bitmap);
-    d_ptr->device = QPixmap(data);
+    if (data) {
+        data->fromSymbianBitmap(bitmap, true);
+        d_ptr->device = QPixmap(data);
+    }
         
     setStaticContentsSupport(true);
 }
diff --git a/src/gui/styles/qcommonstyle.cpp b/src/gui/styles/qcommonstyle.cpp
index 91974c2..64e1919 100644
--- a/src/gui/styles/qcommonstyle.cpp
+++ b/src/gui/styles/qcommonstyle.cpp
@@ -2775,7 +2775,7 @@ QRect QCommonStyle::subElementRect(SubElement sr, const QStyleOption *opt,
             QSize size = (sr == SE_TabBarTabLeftButton) ? tab->leftButtonSize : tab->rightButtonSize;
             int w = size.width();
             int h = size.height();
-            int midHeight = static_cast<int>(ceil(float(tr.height() - h) / 2));
+            int midHeight = static_cast<int>(qCeil(float(tr.height() - h) / 2));
             int midWidth = ((tr.width() - w) / 2);
 
             bool atTheTop = true;
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index 93b517f..bcc993a 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -88,16 +88,11 @@ static const qreal goldenRatio = 1.618;
 
 const layoutHeader QS60StylePrivate::m_layoutHeaders[] = {
 // *** generated layout data ***
-{240,320,1,15,true,"QVGA Landscape Mirrored"},
-{240,320,1,15,false,"QVGA Landscape"},
-{320,240,1,15,true,"QVGA Portrait Mirrored"},
-{320,240,1,15,false,"QVGA Portrait"},
-{360,640,1,15,true,"NHD Landscape Mirrored"},
-{360,640,1,15,false,"NHD Landscape"},
-{640,360,1,15,true,"NHD Portrait Mirrored"},
-{640,360,1,15,false,"NHD Portrait"},
-{352,800,1,12,true,"E90 Landscape Mirrored"},
-{352,800,1,12,false,"E90 Landscape"}
+{240,320,1,15,"QVGA Landscape"},
+{320,240,1,15,"QVGA Portrait"},
+{360,640,1,15,"NHD Landscape"},
+{640,360,1,15,"NHD Portrait"},
+{352,800,1,12,"E90 Landscape"}
 // *** End of generated data ***
 };
 const int QS60StylePrivate::m_numberOfLayouts =
@@ -105,15 +100,10 @@ const int QS60StylePrivate::m_numberOfLayouts =
 
 const short QS60StylePrivate::data[][MAX_PIXELMETRICS] = {
 // *** generated pixel metrics ***
-{5,0,-909,0,0,2,0,0,-1,7,12,19,13,13,6,200,-909,-909,-909,20,13,2,0,0,21,7,18,-909,3,3,1,-909,-909,0,1,0,0,12,20,15,15,18,18,1,115,18,0,-909,-909,-909,-909,0,0,16,2,-909,0,0,-909,16,-909,-909,-909,-909,32,18,55,24,55,3,3,4,9,13,-909,5,51,11,5,0,6,3,3,8,3,3,-909,2,-909,-909,-909,-909,5,5,3,1},
 {5,0,-909,0,0,2,0,0,-1,7,12,19,13,13,6,200,-909,-909,-909,20,13,2,0,0,21,7,18,-909,3,3,1,-909,-909,0,1,0,0,12,20,15,15,18,18,1,115,18,0,-909,-909,-909,-909,0,0,16,2,-909,0,0,-909,16,-909,-909,-909,-909,32,18,55,24,55,3,3,4,9,13,-909,5,51,11,5,0,3,3,6,8,3,3,-909,2,-909,-909,-909,-909,5,5,3,1},
-{5,0,-909,0,0,1,0,0,-1,8,14,22,15,15,7,164,-909,-909,-909,19,15,2,0,0,21,8,27,-909,4,4,1,-909,-909,0,7,6,0,13,23,17,17,21,21,7,115,21,0,-909,-909,-909,-909,0,0,15,1,-909,0,0,-909,15,-909,-909,-909,-909,32,21,65,27,65,4,4,5,10,15,-909,5,58,13,5,0,7,4,4,9,4,4,-909,2,-909,-909,-909,-909,6,6,3,1},
 {5,0,-909,0,0,1,0,0,-1,8,14,22,15,15,7,164,-909,-909,-909,19,15,2,0,0,21,8,27,-909,4,4,1,-909,-909,0,7,6,0,13,23,17,17,21,21,7,115,21,0,-909,-909,-909,-909,0,0,15,1,-909,0,0,-909,15,-909,-909,-909,-909,32,21,65,27,65,4,4,5,10,15,-909,5,58,13,5,0,4,4,7,9,4,4,-909,2,-909,-909,-909,-909,6,6,3,1},
-{7,0,-909,0,0,2,0,0,-1,25,69,28,19,19,9,258,-909,-909,-909,23,19,26,0,0,32,25,72,-909,5,5,2,-909,-909,0,7,21,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,25,2,-909,0,0,-909,25,-909,-909,-909,-909,87,27,77,35,77,5,5,6,8,19,-909,7,74,19,7,0,8,5,5,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
 {7,0,-909,0,0,2,0,0,-1,25,69,28,19,19,9,258,-909,-909,-909,23,19,26,0,0,32,25,72,-909,5,5,2,-909,-909,0,7,21,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,25,2,-909,0,0,-909,25,-909,-909,-909,-909,87,27,77,35,77,5,5,6,8,19,-909,7,74,19,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
-{7,0,-909,0,0,2,0,0,-1,25,68,28,19,19,9,258,-909,-909,-909,31,19,6,0,0,32,25,60,-909,5,5,2,-909,-909,0,7,32,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,26,2,-909,0,0,-909,26,-909,-909,-909,-909,87,27,96,35,96,5,5,6,8,19,-909,7,74,22,7,0,8,5,5,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
 {7,0,-909,0,0,2,0,0,-1,25,68,28,19,19,9,258,-909,-909,-909,31,19,6,0,0,32,25,60,-909,5,5,2,-909,-909,0,7,32,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,26,2,-909,0,0,-909,26,-909,-909,-909,-909,87,27,96,35,96,5,5,6,8,19,-909,7,74,22,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
-{7,0,-909,0,0,2,0,0,-1,10,20,27,18,18,9,301,-909,-909,-909,29,18,5,0,0,35,7,32,-909,5,5,2,-909,-909,0,2,8,0,16,28,21,21,26,26,2,170,26,0,-909,-909,-909,-909,0,0,21,5,-909,0,0,-909,-909,-909,-909,-909,-909,54,26,265,34,265,5,5,6,3,18,-909,7,72,19,7,0,8,6,5,11,6,5,-909,2,-909,-909,-909,-909,5,5,3,1},
 {7,0,-909,0,0,2,0,0,-1,10,20,27,18,18,9,301,-909,-909,-909,29,18,5,0,0,35,7,32,-909,5,5,2,-909,-909,0,2,8,0,16,28,21,21,26,26,2,170,26,0,-909,-909,-909,-909,0,0,21,6,-909,0,0,-909,-909,-909,-909,-909,-909,54,26,265,34,265,5,5,6,3,18,-909,7,72,19,7,0,5,6,8,11,6,5,-909,2,-909,-909,-909,-909,5,5,3,1}
 // *** End of generated data ***
 };
@@ -200,10 +190,24 @@ void QS60StylePrivate::drawSkinElement(SkinElements element, QPainter *painter,
             QS60StyleEnums::SP_QsnCpScrollHandleBottom, Qt::Vertical, painter, rect, flags | SF_PointNorth);
         break;
     case SE_SliderHandleHorizontal:
-        drawPart(QS60StyleEnums::SP_QgnIndiSliderEdit, painter, rect, flags | SF_PointNorth);
+        drawPart(QS60StyleEnums::SP_QgnGrafNsliderMarker, painter, rect, flags | SF_PointNorth);
         break;
     case SE_SliderHandleVertical:
-        drawPart(QS60StyleEnums::SP_QgnIndiSliderEdit, painter, rect, flags | SF_PointEast);
+        drawPart(QS60StyleEnums::SP_QgnGrafNsliderMarker, painter, rect, flags | SF_PointEast);
+        break;
+    case SE_SliderHandleSelectedHorizontal:
+        drawPart(QS60StyleEnums::SP_QgnGrafNsliderMarkerSelected, painter, rect, flags | SF_PointNorth);
+        break;
+    case SE_SliderHandleSelectedVertical:
+        drawPart(QS60StyleEnums::SP_QgnGrafNsliderMarkerSelected, painter, rect, flags | SF_PointEast);
+        break;
+    case SE_SliderGrooveVertical:
+        drawRow(QS60StyleEnums::SP_QgnGrafNsliderEndLeft, QS60StyleEnums::SP_QgnGrafNsliderMiddle,
+                QS60StyleEnums::SP_QgnGrafNsliderEndRight, Qt::Vertical, painter, rect, flags | SF_PointEast);
+        break;
+    case SE_SliderGrooveHorizontal:
+        drawRow(QS60StyleEnums::SP_QgnGrafNsliderEndLeft, QS60StyleEnums::SP_QgnGrafNsliderMiddle,
+                QS60StyleEnums::SP_QgnGrafNsliderEndRight, Qt::Horizontal, painter, rect, flags | SF_PointNorth);
         break;
     case SE_TabBarTabEastActive:
         drawRow(QS60StyleEnums::SP_QgnGrafTabActiveL, QS60StyleEnums::SP_QgnGrafTabActiveM,
@@ -306,8 +310,8 @@ QColor QS60StylePrivate::stateColor(const QColor &color, const QStyleOption *opt
         QColor hsvColor = retColor.toHsv();
         int colorSat = hsvColor.saturation();
         int colorVal = hsvColor.value();
-        colorSat = (colorSat!=0) ? (colorSat>>1) : 128;
-        colorVal = (colorVal!=0) ? (colorVal>>1) : 128;
+        colorSat = (colorSat != 0) ? (colorSat >> 1) : 128;
+        colorVal = (colorVal != 0) ? (colorVal >> 1) : 128;
         hsvColor.setHsv(hsvColor.hue(), colorSat, colorVal);
         retColor = hsvColor.toRgb();
     }
@@ -335,7 +339,7 @@ QColor QS60StylePrivate::lighterColor(const QColor &baseColor)
 
 bool QS60StylePrivate::drawsOwnThemeBackground(const QWidget *widget)
 {
-    return qobject_cast<const QDialog *> (widget);
+    return (widget ? (widget->windowType() == Qt::Dialog) : false);
 }
 
 QFont QS60StylePrivate::s60Font(
@@ -368,7 +372,6 @@ void QS60StylePrivate::clearCaches(CacheClearReason reason)
     case CC_LayoutChange:
         // when layout changes, the colors remain in cache, but graphics and fonts can change
         m_mappedFontsCache.clear();
-        deleteBackground();
         QPixmapCache::clear();
         break;
     case CC_ThemeChange:
@@ -396,10 +399,10 @@ QColor QS60StylePrivate::colorFromFrameGraphics(SkinFrameElements frame) const
     if (!cachedColorExists) {
         const int frameCornerWidth = pixelMetric(PM_Custom_FrameCornerWidth);
         const int frameCornerHeight = pixelMetric(PM_Custom_FrameCornerHeight);
-        Q_ASSERT(2*frameCornerWidth<32);
-        Q_ASSERT(2*frameCornerHeight<32);
+        Q_ASSERT(2 * frameCornerWidth < 32);
+        Q_ASSERT(2 * frameCornerHeight < 32);
 
-        const QImage frameImage = QS60StylePrivate::frame(frame, QSize(32,32)).toImage();
+        const QImage frameImage = QS60StylePrivate::frame(frame, QSize(32, 32)).toImage();
         Q_ASSERT(frameImage.bytesPerLine() > 0);
         if (frameImage.isNull())
             return Qt::black;
@@ -414,14 +417,14 @@ QColor QS60StylePrivate::colorFromFrameGraphics(SkinFrameElements frame) const
         int skips = 0;
         int estimations = 0;
 
-        const int topBorderLastPixel = frameCornerHeight*frameImage.width()-1;
-        const int bottomBorderFirstPixel = frameImage.width()*frameImage.height()-frameCornerHeight*frameImage.width()-1;
-        const int rightBorderFirstPixel = frameImage.width()-frameCornerWidth;
+        const int topBorderLastPixel = frameCornerHeight*frameImage.width() - 1;
+        const int bottomBorderFirstPixel = frameImage.width() * frameImage.height() - frameCornerHeight*frameImage.width() - 1;
+        const int rightBorderFirstPixel = frameImage.width() - frameCornerWidth;
         const int leftBorderLastPixel = frameCornerWidth;
 
         while ((skips + estimations) < pixels) {
-            if ((skips+estimations) > topBorderLastPixel &&
-                (skips+estimations) < bottomBorderFirstPixel) {
+            if ((skips + estimations) > topBorderLastPixel &&
+                (skips + estimations) < bottomBorderFirstPixel) {
                 for (int rowIndex = 0; rowIndex < frameImage.width(); rowIndex++) {
                     if (rowIndex > leftBorderLastPixel &&
                         rowIndex < rightBorderFirstPixel) {
@@ -526,18 +529,18 @@ void QS60StylePrivate::drawRow(QS60StyleEnums::SkinParts start,
         endRect = startRect.translated(rect.width() - startRect.width(), 0);
         middleRect.adjust(startRect.width(), 0, -startRect.width(), 0);
         if (startRect.bottomRight().x() > endRect.topLeft().x()) {
-            const int overlap = (startRect.bottomRight().x() -  endRect.topLeft().x())>>1;
-            startRect.setWidth(startRect.width()-overlap);
-            endRect.adjust(overlap,0,0,0);
+            const int overlap = (startRect.bottomRight().x() -  endRect.topLeft().x()) >> 1;
+            startRect.setWidth(startRect.width() - overlap);
+            endRect.adjust(overlap, 0, 0, 0);
         }
     } else {
         startRect.setHeight(qMin((rect.height() >> 1) - 1, startRect.height()));
         endRect = startRect.translated(0, rect.height() - startRect.height());
         middleRect.adjust(0, startRect.height(), 0, -startRect.height());
         if (startRect.topRight().y() > endRect.bottomLeft().y()) {
-            const int overlap = (startRect.topRight().y() - endRect.bottomLeft().y())>>1;
-            startRect.setHeight(startRect.height()-overlap);
-            endRect.adjust(0,overlap,0,0);
+            const int overlap = (startRect.topRight().y() - endRect.bottomLeft().y()) >> 1;
+            startRect.setHeight(startRect.height() - overlap);
+            endRect.adjust(0, overlap, 0, 0);
         }
     }
 
@@ -805,9 +808,17 @@ QSize QS60StylePrivate::partSize(QS60StyleEnums::SkinParts part, SkinElementFlag
         case QS60StyleEnums::SP_QgnGrafTabActiveL:
             //Returned QSize for tabs must not be square, but narrow rectangle with width:height
             //ratio of 1:2 for horizontal tab bars (and 2:1 for vertical ones).
-            result.setWidth(result.height()>>1);
+            result.setWidth(result.height() >> 1);
+            break;
+            
+        case QS60StyleEnums::SP_QgnGrafNsliderEndLeft:
+        case QS60StyleEnums::SP_QgnGrafNsliderEndRight:
+        case QS60StyleEnums::SP_QgnGrafNsliderMiddle:
+            result.setWidth(result.height() >> 1);
             break;
-        case QS60StyleEnums::SP_QgnIndiSliderEdit:
+            
+        case QS60StyleEnums::SP_QgnGrafNsliderMarker:
+        case QS60StyleEnums::SP_QgnGrafNsliderMarkerSelected:
             result.scale(pixelMetric(QStyle::PM_SliderLength),
                 pixelMetric(QStyle::PM_SliderControlThickness), Qt::IgnoreAspectRatio);
             break;
@@ -928,22 +939,42 @@ void QS60Style::drawComplexControl(ComplexControl control, const QStyleOptionCom
     case CC_Slider:
         if (const QStyleOptionSlider *optionSlider = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
 
-            // The groove is just a centered line. Maybe a qgn_graf_line_* at some point
             const QRect sliderGroove = subControlRect(control, optionSlider, SC_SliderGroove, widget);
-            const QPoint sliderGrooveCenter = sliderGroove.center();
             const bool horizontal = optionSlider->orientation == Qt::Horizontal;
-            painter->save();
-            if (widget)
-                painter->setPen(widget->palette().windowText().color());
-            if (horizontal)
-                painter->drawLine(0, sliderGrooveCenter.y(), sliderGroove.right(), sliderGrooveCenter.y());
-            else
-                painter->drawLine(sliderGrooveCenter.x(), 0, sliderGrooveCenter.x(), sliderGroove.bottom());
-            painter->restore();
 
+            //Highlight
+/*            if (optionSlider->state & QStyle::State_HasFocus)
+                drawPrimitive(PE_FrameFocusRect, optionSlider, painter, widget);*/
+            
+            //Groove graphics
+            if (QS60StylePrivate::hasSliderGrooveGraphic()) {
+                const QS60StylePrivate::SkinElements grooveElement = horizontal ? 
+                    QS60StylePrivate::SE_SliderGrooveHorizontal : 
+                    QS60StylePrivate::SE_SliderGrooveVertical;
+                QS60StylePrivate::drawSkinElement(grooveElement, painter, sliderGroove, flags);
+            } else {
+                const QRect sliderGroove = subControlRect(control, optionSlider, SC_SliderGroove, widget);
+                const QPoint sliderGrooveCenter = sliderGroove.center();
+                const bool horizontal = optionSlider->orientation == Qt::Horizontal;
+                painter->save();
+                if (widget)
+                    painter->setPen(widget->palette().windowText().color());
+                if (horizontal)
+                    painter->drawLine(0, sliderGrooveCenter.y(), sliderGroove.right(), sliderGrooveCenter.y());
+                else
+                    painter->drawLine(sliderGrooveCenter.x(), 0, sliderGrooveCenter.x(), sliderGroove.bottom());
+                painter->restore();
+            }
+
+            //Handle graphics
             const QRect sliderHandle = subControlRect(control, optionSlider, SC_SliderHandle, widget);
-            const QS60StylePrivate::SkinElements handleElement =
-                horizontal ? QS60StylePrivate::SE_SliderHandleHorizontal : QS60StylePrivate::SE_SliderHandleVertical;
+            QS60StylePrivate::SkinElements handleElement;
+            if (optionSlider->state & QStyle::State_Sunken)
+                handleElement =
+                        horizontal ? QS60StylePrivate::SE_SliderHandleSelectedHorizontal : QS60StylePrivate::SE_SliderHandleSelectedVertical;
+            else    
+                handleElement =
+                    horizontal ? QS60StylePrivate::SE_SliderHandleHorizontal : QS60StylePrivate::SE_SliderHandleVertical;
             QS60StylePrivate::drawSkinElement(handleElement, painter, sliderHandle, flags);
         }
         break;
@@ -960,10 +991,11 @@ void QS60Style::drawComplexControl(ComplexControl control, const QStyleOptionCom
             buttonOption.QStyleOption::operator=(*cmb);
             const int maxHeight = cmbxFrame.height();
             const int maxWidth = cmbxFrame.width() - cmbxEditField.width();
-            const int topLeftPoint = direction ? cmbxEditField.right()+1 : cmbxEditField.left()+1-maxWidth;
+            const int topLeftPoint = direction ? 
+                (cmbxEditField.right() + 1) : (cmbxEditField.left() + 1 - maxWidth);
             const QRect buttonRect(topLeftPoint, cmbxEditField.top(), maxWidth, maxHeight);
             buttonOption.rect = buttonRect;
-            buttonOption.state = cmb->state & (State_Enabled | State_MouseOver);
+            buttonOption.state = cmb->state;
             drawPrimitive(PE_PanelButtonCommand, &buttonOption, painter, widget);
 
             // draw label background - label itself is drawn separately
@@ -1317,6 +1349,7 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
 
             painter->setClipRect(voptAdj.rect);
             const bool isSelected = (vopt->state & QStyle::State_Selected);
+            const bool hasFocus = (vopt->state & QStyle::State_HasFocus);
 
             bool isScrollBarVisible = false;
             int scrollBarWidth = 0;
@@ -1348,9 +1381,9 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
                     const QModelIndex index = vopt->index;
                     //todo: Draw cell background only once - for the first cell.
                     QStyleOptionViewItemV4 voptAdj2 = voptAdj;
-                    const QModelIndex indexFirst = itemView->model()->index(0,0);
+                    const QModelIndex indexFirst = itemView->model()->index(0, 0);
                     const QModelIndex indexLast = itemView->model()->index(
-                            itemView->model()->rowCount()-1,itemView->model()->columnCount()-1);
+                            itemView->model()->rowCount() - 1, itemView->model()->columnCount() -1);
                     if (itemView->viewport())
                         voptAdj2.rect = QRect( itemView->visualRect(indexFirst).topLeft(),
                                 itemView->visualRect(indexLast).bottomRight()).intersect(itemView->viewport()->rect());
@@ -1359,7 +1392,7 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
             } else { QCommonStyle::drawPrimitive(PE_PanelItemViewItem, &voptAdj, painter, widget);}
 
             // draw the focus rect
-            if (isSelected) {
+            if (isSelected | hasFocus) {
                 QRect highlightRect = option->rect.adjusted(1,1,-1,-1);
                 QAbstractItemView::SelectionBehavior selectionBehavior =
                     itemView ? itemView->selectionBehavior() : QAbstractItemView::SelectItems;
@@ -1538,16 +1571,16 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
             f.setPointSizeF(f.pointSizeF() * KTabFontMul);
             painter->setFont(f);
 
-            if (option->state & QStyle::State_Selected){
+            const bool selected = optionTab.state & State_Selected;
+            if (selected)
                 optionTab.palette.setColor(QPalette::Active, QPalette::WindowText,
                     QS60StylePrivate::s60Color(QS60StyleEnums::CL_QsnTextColors, 3, option));
-            }
 
             const bool verticalTabs = optionTab.shape == QTabBar::RoundedEast
                                 || optionTab.shape == QTabBar::RoundedWest
                                 || optionTab.shape == QTabBar::TriangularEast
                                 || optionTab.shape == QTabBar::TriangularWest;
-            const bool selected = optionTab.state & State_Selected;
+
             if (verticalTabs) {
                 painter->save();
                 int newX, newY, newRotation;
@@ -1585,12 +1618,12 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
                 QPixmap tabIcon = optionTab.icon.pixmap(iconSize,
                     (optionTab.state & State_Enabled) ? QIcon::Normal : QIcon::Disabled);
                 if (tab->text.isEmpty())
-                    painter->drawPixmap(tr.center().x() - (tabIcon.height() >>1),
-                                        tr.center().y() - (tabIcon.height() >>1),
+                    painter->drawPixmap(tr.center().x() - (tabIcon.height() >> 1),
+                                        tr.center().y() - (tabIcon.height() >> 1),
                                         tabIcon);
                 else
                     painter->drawPixmap(tr.left() + tabOverlap,
-                                        tr.center().y() - (tabIcon.height() >>1),
+                                        tr.center().y() - (tabIcon.height() >> 1),
                                         tabIcon);
                 tr.setLeft(tr.left() + iconSize.width() + 4);
             }
@@ -1619,7 +1652,7 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
                 if (optionProgressBar->orientation == Qt::Horizontal) {
                     progressRect.setWidth(int(progressRect.width() * progressFactor));
                     if(optionProgressBar->direction == Qt::RightToLeft)
-                        progressRect.translate(optionProgressBar->rect.width()-progressRect.width(),0);
+                        progressRect.translate(optionProgressBar->rect.width()-progressRect.width(), 0);
                     progressRect.adjust(1, 0, -1, 0);
                 } else {
                     progressRect.adjust(0, 1, 0, -1);
@@ -1685,18 +1718,18 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
                 optionCheckBox.QStyleOptionMenuItem::operator=(*menuItem);
                 optionCheckBox.rect.setWidth(pixelMetric(PM_IndicatorWidth));
                 optionCheckBox.rect.setHeight(pixelMetric(PM_IndicatorHeight));
-                const int moveByX = optionCheckBox.rect.width()+vSpacing;
+                const int moveByX = optionCheckBox.rect.width() + vSpacing;
                 if (optionMenuItem.direction == Qt::LeftToRight) {
-                    textRect.translate(moveByX,0);
+                    textRect.translate(moveByX, 0);
                     iconRect.translate(moveByX, 0);
-                    iconRect.setWidth(iconRect.width()+vSpacing);
-                    textRect.setWidth(textRect.width()-moveByX-vSpacing);
-                    optionCheckBox.rect.translate(vSpacing/2, hSpacing/2);
+                    iconRect.setWidth(iconRect.width() + vSpacing);
+                    textRect.setWidth(textRect.width() - moveByX - vSpacing);
+                    optionCheckBox.rect.translate(vSpacing >> 1, hSpacing >> 1);
                 } else {
-                    textRect.setWidth(textRect.width()-moveByX);
-                    iconRect.setWidth(iconRect.width()+vSpacing);
-                    iconRect.translate(-optionCheckBox.rect.width()-vSpacing, 0);
-                    optionCheckBox.rect.translate(textRect.width()+iconRect.width(),0);
+                    textRect.setWidth(textRect.width() - moveByX);
+                    iconRect.setWidth(iconRect.width() + vSpacing);
+                    iconRect.translate(-optionCheckBox.rect.width() - vSpacing, 0);
+                    optionCheckBox.rect.translate(textRect.width() + iconRect.width(), 0);
                 }
                 drawPrimitive(PE_IndicatorMenuCheckMark, &optionCheckBox, painter, widget);
             }
@@ -1707,9 +1740,9 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
             if (itemWithIcon) {
                 drawItemPixmap(painter, iconRect, text_flags, pix);
                 if (optionMenuItem.direction == Qt::LeftToRight)
-                    textRect.translate(vSpacing,0);
+                    textRect.translate(vSpacing, 0);
                 else
-                    textRect.translate(-vSpacing,0);
+                    textRect.translate(-vSpacing, 0);
                 textRect.setWidth(textRect.width()-vSpacing);
             }
 
@@ -1717,7 +1750,7 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
             if (drawSubMenuIndicator) {
                 QStyleOptionMenuItem arrowOptions;
                 arrowOptions.QStyleOption::operator=(*menuItem);
-                const int indicatorWidth = (pixelMetric(PM_ListViewIconSize, option, widget)>>1) +
+                const int indicatorWidth = (pixelMetric(PM_ListViewIconSize, option, widget) >> 1) +
                     pixelMetric(QStyle::PM_LayoutVerticalSpacing, option, widget);
                 if (optionMenuItem.direction == Qt::LeftToRight)
                     arrowOptions.rect.setLeft(textRect.right());
@@ -1762,8 +1795,8 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
             painter->save();
             QPen linePen = QPen(QS60StylePrivate::s60Color(QS60StyleEnums::CL_QsnLineColors, 1, header));
             const int penWidth = (header->orientation == Qt::Horizontal) ?
-                linePen.width()+QS60StylePrivate::pixelMetric(PM_Custom_BoldLineWidth)
-                : linePen.width()+QS60StylePrivate::pixelMetric(PM_Custom_ThinLineWidth);
+                linePen.width() + QS60StylePrivate::pixelMetric(PM_Custom_BoldLineWidth)
+                : linePen.width() + QS60StylePrivate::pixelMetric(PM_Custom_ThinLineWidth);
             linePen.setWidth(penWidth);
             painter->setPen(linePen);
             if (header->orientation == Qt::Horizontal){
@@ -1782,7 +1815,7 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
                 //Make cornerButton slightly smaller so that it is not on top of table border graphic.
                 QStyleOptionHeader subopt = *header;
                 const int borderTweak =
-                    QS60StylePrivate::pixelMetric(PM_Custom_FrameCornerWidth)>>1;
+                    QS60StylePrivate::pixelMetric(PM_Custom_FrameCornerWidth) >> 1;
                 if (subopt.direction == Qt::LeftToRight)
                     subopt.rect.adjust(borderTweak, borderTweak, 0, -borderTweak);
                 else
@@ -1875,9 +1908,9 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
             } else {
                 const int frameWidth = QS60StylePrivate::pixelMetric(PM_DefaultFrameWidth);
                 if (option->direction == Qt::LeftToRight)
-                    headerRect.adjust(-2*frameWidth, 0, 0, 0);
+                    headerRect.adjust(-2 * frameWidth, 0, 0, 0);
                 else
-                    headerRect.adjust(0, 0, 2*frameWidth, 0);
+                    headerRect.adjust(0, 0, 2 * frameWidth, 0);
             }
             if (option->palette.brush(QPalette::Button).color() == Qt::transparent)
                 QS60StylePrivate::drawSkinElement(
@@ -2000,7 +2033,7 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
                     QRect tickRect = option->rect;
                     const int frameBorderWidth = QS60StylePrivate::pixelMetric(PM_Custom_FrameCornerWidth);
                     // adjust tickmark rect to exclude frame border
-                    tickRect.adjust(0,-frameBorderWidth,0,-frameBorderWidth);
+                    tickRect.adjust(0, -frameBorderWidth, 0, -frameBorderWidth);
                     QS60StyleEnums::SkinParts skinPart = QS60StyleEnums::SP_QgnIndiMarkedAdd;
                     QS60StylePrivate::drawSkinPart(skinPart, painter, tickRect,
                         (flags | QS60StylePrivate::SF_ColorSkinned));
@@ -2012,7 +2045,7 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
     case PE_IndicatorRadioButton: {
             QRect buttonRect = option->rect;
             //there is empty (a. 33%) space in svg graphics for radiobutton
-            const qreal reduceWidth = (qreal)buttonRect.width()/3.0;
+            const qreal reduceWidth = (qreal)buttonRect.width() / 3.0;
             const qreal rectWidth = (qreal)option->rect.width() != 0 ? option->rect.width() : 1.0;
             // Try to occupy the full area
             const qreal scaler = 1 + (reduceWidth/rectWidth);
@@ -2075,27 +2108,28 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
     case PE_IndicatorSpinDown:
     case PE_IndicatorSpinUp:
         if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
-            QStyleOptionSpinBox optionSpinBox = *spinBox;
-            if (QS60StylePrivate::canDrawThemeBackground(optionSpinBox.palette.base())) {
+            if (QS60StylePrivate::canDrawThemeBackground(spinBox->palette.base())) {
+                QStyleOptionSpinBox optionSpinBox = *spinBox;
                 const QS60StyleEnums::SkinParts part = (element == PE_IndicatorSpinUp) ?
                     QS60StyleEnums::SP_QgnGrafScrollArrowUp :
                     QS60StyleEnums::SP_QgnGrafScrollArrowDown;
-                const int adjustment = qMin(optionSpinBox.rect.width(), optionSpinBox.rect.height())/6;
-                optionSpinBox.rect.translate(0, (element == PE_IndicatorSpinDown) ? adjustment : -adjustment );
-                QS60StylePrivate::drawSkinPart(part, painter, optionSpinBox.rect,flags);
+                const int iconMargin = QS60StylePrivate::pixelMetric(PM_Custom_FrameCornerWidth) >> 1;
+                optionSpinBox.rect.translate(0, (element == PE_IndicatorSpinDown) ? iconMargin : -iconMargin );
+                QS60StylePrivate::drawSkinPart(part, painter, optionSpinBox.rect, flags);
             } else {
                 commonStyleDraws = true;
             }
         }
+#endif //QT_NO_SPINBOX
 #ifndef QT_NO_COMBOBOX
-        else if (const QStyleOptionFrame *cmb = qstyleoption_cast<const QStyleOptionFrame *>(option)) {
+        if (const QStyleOptionFrame *cmb = qstyleoption_cast<const QStyleOptionFrame *>(option)) {
             if (QS60StylePrivate::canDrawThemeBackground( option->palette.base())) {
                 // We want to draw down arrow here for comboboxes as well.
+                QStyleOptionFrame optionsComboBox = *cmb;
                 const QS60StyleEnums::SkinParts part = QS60StyleEnums::SP_QgnGrafScrollArrowDown;
-                QStyleOptionFrame comboBox = *cmb;
-                const int adjustment = qMin(comboBox.rect.width(), comboBox.rect.height())/6;
-                comboBox.rect.translate(0, (element == PE_IndicatorSpinDown) ? adjustment : -adjustment );
-                QS60StylePrivate::drawSkinPart(part, painter, comboBox.rect,flags);
+                const int iconMargin = QS60StylePrivate::pixelMetric(PM_Custom_FrameCornerWidth) >> 1;
+                optionsComboBox.rect.translate(0, (element == PE_IndicatorSpinDown) ? iconMargin : -iconMargin );
+                QS60StylePrivate::drawSkinPart(part, painter, optionsComboBox.rect, flags);
             } else {
                 commonStyleDraws = true;
             }
@@ -2113,12 +2147,11 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
             // We want to draw down arrow here for comboboxes as well.
             QStyleOptionFrame comboBox = *cmb;
             const int frameWidth = QS60StylePrivate::pixelMetric(PM_DefaultFrameWidth);
-            comboBox.rect.adjust(0,frameWidth,0,-frameWidth);
+            comboBox.rect.adjust(0, frameWidth, 0, -frameWidth);
             QCommonStyle::drawPrimitive(element, &comboBox, painter, widget);
         }
 #endif //QT_NO_COMBOBOX
         break;
-#endif //QT_NO_SPINBOX
     case PE_Widget:
         if (QS60StylePrivate::drawsOwnThemeBackground(widget)
 #ifndef QT_NO_COMBOBOX
@@ -2128,7 +2161,10 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
             || qobject_cast<const QMenu *> (widget)
 #endif //QT_NO_MENU
             ) {
-            if (QS60StylePrivate::canDrawThemeBackground(option->palette.base()))
+            //Need extra check since dialogs have their own theme background
+            if (QS60StylePrivate::canDrawThemeBackground(option->palette.base()) &&
+                option->palette.window().texture().cacheKey() ==
+                    QS60StylePrivate::m_themePalette->window().texture().cacheKey())
                 QS60StylePrivate::drawSkinElement(QS60StylePrivate::SE_OptionsMenu, painter, option->rect, flags);
             else
                 commonStyleDraws = true;
@@ -2238,11 +2274,13 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
         }
         break;
 
+    case PE_PanelScrollAreaCorner:
+        break;
+
         // todo: items are below with #ifdefs "just in case". in final version, remove all non-required cases
     case PE_FrameLineEdit:
     case PE_IndicatorDockWidgetResizeHandle:
     case PE_PanelTipLabel:
-    case PE_PanelScrollAreaCorner:
 
 #ifndef QT_NO_TABBAR
     case PE_IndicatorTabTear: // No tab tear in S60
@@ -2284,6 +2322,13 @@ int QS60Style::pixelMetric(PixelMetric metric, const QStyleOption *option, const
             metricValue = -menuWidth;
         }
     }
+    //if layout direction is mirrored, switch left and right border margins
+    if (option && option->direction == Qt::RightToLeft) {
+        if (metric == PM_LayoutLeftMargin)
+            metricValue = QS60StylePrivate::pixelMetric(PM_LayoutRightMargin);
+        else if (metric == PM_LayoutRightMargin)
+            metricValue = QS60StylePrivate::pixelMetric(PM_LayoutLeftMargin);
+    }
     return metricValue;
 }
 
@@ -2296,22 +2341,22 @@ QSize QS60Style::sizeFromContents(ContentsType ct, const QStyleOption *opt,
         case CT_ToolButton:
             sz = QCommonStyle::sizeFromContents( ct, opt, csz, widget);
             //FIXME properly - style should calculate the location of border frame-part
-            sz += QSize(2*pixelMetric(PM_ButtonMargin), 2*pixelMetric(PM_ButtonMargin));
+            sz += QSize(2 * pixelMetric(PM_ButtonMargin), 2 * pixelMetric(PM_ButtonMargin));
             if (const QStyleOptionToolButton *toolBtn = qstyleoption_cast<const QStyleOptionToolButton *>(opt))
                 if (toolBtn->subControls & SC_ToolButtonMenu)
-                    sz += QSize(pixelMetric(PM_MenuButtonIndicator),0);
+                    sz += QSize(pixelMetric(PM_MenuButtonIndicator), 0);
             break;
         case CT_PushButton:
             sz = QCommonStyle::sizeFromContents( ct, opt, csz, widget);
             //FIXME properly - style should calculate the location of border frame-part
-            sz += QSize(2*pixelMetric(PM_ButtonMargin), 2*pixelMetric(PM_ButtonMargin));
+            sz += QSize(2 * pixelMetric(PM_ButtonMargin), 2 * pixelMetric(PM_ButtonMargin));
             if (const QAbstractButton *buttonWidget = (qobject_cast<const QAbstractButton *>(widget)))
                 if (buttonWidget->isCheckable())
                     sz += QSize(pixelMetric(PM_IndicatorWidth) + pixelMetric(PM_CheckBoxLabelSpacing), 0);
             break;
         case CT_LineEdit:
             if (const QStyleOptionFrame *f = qstyleoption_cast<const QStyleOptionFrame *>(opt))
-                sz += QSize(2*f->lineWidth, 4*f->lineWidth);
+                sz += QSize(2 * f->lineWidth, 4 * f->lineWidth);
             break;
         case CT_TabBarTab:
             {
@@ -2326,7 +2371,7 @@ QSize QS60Style::sizeFromContents(ContentsType ct, const QStyleOption *opt,
             if (QS60StylePrivate::isTouchSupported())
                 //Make itemview easier to use in touch devices
                 //QCommonStyle does not adjust height with horizontal margin, it only adjusts width
-                sz.setHeight(sz.height() + 2*pixelMetric(QStyle::PM_FocusFrameVMargin));
+                sz.setHeight(sz.height() + 2 * pixelMetric(QStyle::PM_FocusFrameVMargin));
             break;
         default:
             sz = QCommonStyle::sizeFromContents( ct, opt, csz, widget);
@@ -2342,10 +2387,10 @@ int QS60Style::styleHint(StyleHint sh, const QStyleOption *opt, const QWidget *w
     int retValue = -1;
     switch (sh) {
         case SH_Table_GridLineColor:
-            retValue = int(QS60StylePrivate::s60Color(QS60StyleEnums::CL_QsnLineColors,2,0).rgba());
+            retValue = int(QS60StylePrivate::s60Color(QS60StyleEnums::CL_QsnLineColors, 2, 0).rgba());
             break;
         case SH_GroupBox_TextLabelColor:
-            retValue = int(QS60StylePrivate::s60Color(QS60StyleEnums::CL_QsnTextColors,6,0).rgba());
+            retValue = int(QS60StylePrivate::s60Color(QS60StyleEnums::CL_QsnTextColors, 6, 0).rgba());
             break;
         case SH_ScrollBar_ScrollWhenPointerLeavesControl:
             retValue = true;
@@ -2427,7 +2472,7 @@ QRect QS60Style::subControlRect(ComplexControl control, const QStyleOptionComple
                 sliderlen = (qint64(scrollbarOption->pageStep) * maxlen) / (range + scrollbarOption->pageStep);
 
                 const int slidermin = pixelMetric(PM_ScrollBarSliderMin, scrollbarOption, widget);
-                if (sliderlen < slidermin || range > (INT_MAX>>1))
+                if (sliderlen < slidermin || range > (INT_MAX >> 1))
                     sliderlen = slidermin;
                 if (sliderlen > maxlen)
                     sliderlen = maxlen;
@@ -2478,39 +2523,40 @@ QRect QS60Style::subControlRect(ComplexControl control, const QStyleOptionComple
         if (const QStyleOptionSpinBox *spinbox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
             const int frameThickness = spinbox->frame ? pixelMetric(PM_SpinBoxFrameWidth, spinbox, widget) : 0;
             const int buttonMargin = spinbox->frame ? 2 : 0;
-            const int buttonWidth = QS60StylePrivate::pixelMetric(QStyle::PM_ButtonIconSize) + 2*buttonMargin;
+            const int buttonWidth = QS60StylePrivate::pixelMetric(QStyle::PM_ButtonIconSize) + 2 * buttonMargin;
             QSize buttonSize;
             buttonSize.setHeight(qMax(8, spinbox->rect.height() - frameThickness));
-            buttonSize.setWidth(buttonWidth);
+            //width should at least be equal to height
+            buttonSize.setWidth(qMax(buttonSize.height(), buttonWidth));
             buttonSize = buttonSize.expandedTo(QApplication::globalStrut());
 
             const int y = frameThickness + spinbox->rect.y();
-            const int x = spinbox->rect.x() + spinbox->rect.width() - frameThickness - 2*buttonSize.width();
+            const int x = spinbox->rect.x() + spinbox->rect.width() - frameThickness - 2 * buttonSize.width();
 
             switch (scontrol) {
                 case SC_SpinBoxUp:
                     if (spinbox->buttonSymbols == QAbstractSpinBox::NoButtons)
                         return QRect();
-                    ret = QRect(x, y, buttonWidth, buttonSize.height());
+                    ret = QRect(x, y, buttonSize.width(), buttonSize.height());
                     break;
                 case SC_SpinBoxDown:
                     if (spinbox->buttonSymbols == QAbstractSpinBox::NoButtons)
                         return QRect();
-                    ret = QRect(x+buttonSize.width(), y, buttonWidth, buttonSize.height());
+                    ret = QRect(x + buttonSize.width(), y, buttonSize.width(), buttonSize.height());
                     break;
                 case SC_SpinBoxEditField:
                     if (spinbox->buttonSymbols == QAbstractSpinBox::NoButtons)
                         ret = QRect(
                                 frameThickness,
                                 frameThickness,
-                                spinbox->rect.width() - 2*frameThickness,
-                                spinbox->rect.height() - 2*frameThickness);
+                                spinbox->rect.width() - 2 * frameThickness,
+                                spinbox->rect.height() - 2 * frameThickness);
                     else
                         ret = QRect(
                                 frameThickness,
                                 frameThickness,
                                 x - frameThickness,
-                                spinbox->rect.height() - 2*frameThickness);
+                                spinbox->rect.height() - 2 * frameThickness);
                     break;
                 case SC_SpinBoxFrame:
                     ret = spinbox->rect;
@@ -2526,29 +2572,29 @@ QRect QS60Style::subControlRect(ComplexControl control, const QStyleOptionComple
             ret = cmb->rect;
             const int width = cmb->rect.width();
             const int height = cmb->rect.height();
+            const int buttonIconSize = QS60StylePrivate::pixelMetric(QStyle::PM_ButtonIconSize);
             const int buttonMargin = cmb->frame ? 2 : 0;
             // lets use spinbox frame here as well, as no combobox specific value available.
             const int frameThickness = cmb->frame ? pixelMetric(PM_SpinBoxFrameWidth, cmb, widget) : 0;
-            const int buttonWidth = QS60StylePrivate::pixelMetric(QStyle::PM_ButtonIconSize);
+            const int buttonWidth = qMax(cmb->rect.height(), buttonIconSize);
+            const int xposMod = (cmb->rect.x()) + width - buttonMargin - buttonWidth;
+            const int ypos = cmb->rect.y();
 
             QSize buttonSize;
-            buttonSize.setHeight(qMax(8, (cmb->rect.height()>>1) - frameThickness)); //minimum of 8 pixels
-            buttonSize.setWidth(buttonWidth+2*buttonMargin);
+            buttonSize.setWidth(buttonWidth + 2 * buttonMargin);
+            buttonSize.setHeight(qMax(8, (cmb->rect.height() >> 1) - frameThickness)); //buttons should be squares
             buttonSize = buttonSize.expandedTo(QApplication::globalStrut());
             switch (scontrol) {
                 case SC_ComboBoxArrow:
-                    ret.setRect(
-                        ret.x() + ret.width() - buttonMargin - buttonWidth,
-                        ret.y() + buttonMargin,
-                        buttonWidth,
-                        height - 2*buttonMargin);
+                    ret.setRect(xposMod, ypos + buttonMargin, buttonWidth, height - 2 * buttonMargin);
                     break;
                 case SC_ComboBoxEditField: {
-                    ret.setRect(
-                        ret.x() + frameThickness,
-                        ret.y() + frameThickness,
-                        ret.width() - 2*frameThickness - buttonSize.width(),
-                        ret.height() - 2*frameThickness);
+                    const int withFrameX = cmb->rect.x() + cmb->rect.width() - frameThickness - buttonSize.width();
+                    ret = QRect(
+                        frameThickness,
+                        frameThickness,
+                        withFrameX - frameThickness,
+                        cmb->rect.height() - 2 * frameThickness);
                     }
                 break;
             default:
@@ -2565,7 +2611,7 @@ QRect QS60Style::subControlRect(ComplexControl control, const QStyleOptionComple
                     //slightly indent text and boxes, so that dialog border does not mess with them.
                     const int horizontalSpacing =
                         QS60StylePrivate::pixelMetric(QStyle::PM_LayoutHorizontalSpacing);
-                    ret.adjust(2,horizontalSpacing-3,0,0);
+                    ret.adjust(2, horizontalSpacing - 3, 0, 0);
                     }
                     break;
                 case SC_GroupBoxFrame: {
@@ -2573,7 +2619,7 @@ QRect QS60Style::subControlRect(ComplexControl control, const QStyleOptionComple
                     const int tbHeight = textBox.height();
                     ret.translate(0, -ret.y());
                     // include title to within the groupBox frame
-                    ret.setHeight(ret.height()+tbHeight);
+                    ret.setHeight(ret.height() + tbHeight);
                     if (widget && ret.bottom() > widget->rect().bottom())
                         ret.setBottom(widget->rect().bottom());
                     }
@@ -2585,7 +2631,7 @@ QRect QS60Style::subControlRect(ComplexControl control, const QStyleOptionComple
         break;
     case CC_ToolButton:
         if (const QStyleOptionToolButton *toolButton = qstyleoption_cast<const QStyleOptionToolButton *>(option)) {
-            const int indicatorRect = pixelMetric(PM_MenuButtonIndicator) + 2*pixelMetric(PM_ButtonMargin);
+            const int indicatorRect = pixelMetric(PM_MenuButtonIndicator) + 2 * pixelMetric(PM_ButtonMargin);
             const int border = pixelMetric(PM_ButtonMargin) + pixelMetric(PM_DefaultFrameWidth);
             ret = toolButton->rect;
             const bool popup = (toolButton->features &
@@ -2623,13 +2669,13 @@ QRect QS60Style::subElementRect(SubElement element, const QStyleOption *opt, con
                 // in S60 the input text box doesn't start from line Edit's TL, but
                 // a bit indented.
                 QRect lineEditRect = opt->rect;
-                const int adjustment = opt->rect.height()>>2;
-                lineEditRect.adjust(adjustment,0,0,0);
+                const int adjustment = opt->rect.height() >> 2;
+                lineEditRect.adjust(adjustment, 0, 0, 0);
                 ret = lineEditRect;
             }
             break;
         case SE_TabBarTearIndicator:
-            ret = QRect(0,0,0,0);
+            ret = QRect(0, 0, 0, 0);
             break;
         case SE_TabWidgetTabBar:
             if (const QStyleOptionTabWidgetFrame *optionTab = qstyleoption_cast<const QStyleOptionTabWidgetFrame *>(opt)) {
@@ -2651,12 +2697,12 @@ QRect QS60Style::subElementRect(SubElement element, const QStyleOption *opt, con
                                 // make sure that gain does not set the rect outside of widget boundaries
                                 if (twf->direction == Qt::RightToLeft) {
                                     if ((ret.left() - gain) < widget->rect().left())
-                                        gain = widget->rect().left()-ret.left();
-                                    ret.adjust(-gain,0,0,0);
+                                        gain = widget->rect().left() - ret.left();
+                                    ret.adjust(-gain, 0, 0, 0);
                                 } else {
                                     if ((ret.right() + gain) > widget->rect().right())
-                                        gain = widget->rect().right()-ret.right();
-                                    ret.adjust(0,0,gain,0);
+                                        gain = widget->rect().right() - ret.right();
+                                    ret.adjust(0, 0, gain, 0);
                                     }
                             }
                             break;
@@ -2664,8 +2710,8 @@ QRect QS60Style::subElementRect(SubElement element, const QStyleOption *opt, con
                         default: {
                             if (widget) {
                                 if ((ret.bottom() + gain) > widget->rect().bottom())
-                                    gain = widget->rect().bottom()-ret.bottom();
-                                ret.adjust(0,0,0,gain);
+                                    gain = widget->rect().bottom() - ret.bottom();
+                                ret.adjust(0, 0, 0, gain);
                             }
                             break;
                         }
@@ -2691,7 +2737,7 @@ QRect QS60Style::subElementRect(SubElement element, const QStyleOption *opt, con
                         QS60StylePrivate::pixelMetric(QStyle::PM_LayoutVerticalSpacing);
                     //const int horizontalSpacing = QS60StylePrivate::pixelMetric(QStyle::PM_LayoutHorizontalSpacing);
                     const int checkBoxRectWidth = subElementRect(SE_ItemViewItemCheckIndicator, opt, widget).width();
-                    ret.adjust(-checkBoxRectWidth-verticalSpacing,0,-checkBoxRectWidth-verticalSpacing,0);
+                    ret.adjust(-checkBoxRectWidth - verticalSpacing, 0, -checkBoxRectWidth - verticalSpacing, 0);
                 }
             } else if (const QStyleOptionMenuItem *menuItem = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
                 const bool checkable = menuItem->checkType != QStyleOptionMenuItem::NotCheckable;
@@ -2716,9 +2762,9 @@ QRect QS60Style::subElementRect(SubElement element, const QStyleOption *opt, con
                     if (menuItem->menuItemType == QStyleOptionMenuItem::SubMenu){
                         // submenu indicator is very small, so lets halve the rect
                         if (menuItem->direction == Qt::LeftToRight)
-                            ret.adjust(0,0,-(indicatorWidth >> 1),0);
+                            ret.adjust(0, 0, -(indicatorWidth >> 1), 0);
                         else
-                            ret.adjust((indicatorWidth >> 1),0,0,0);
+                            ret.adjust((indicatorWidth >> 1), 0, 0, 0);
                     }
                 }
             }
@@ -2742,14 +2788,14 @@ QRect QS60Style::subElementRect(SubElement element, const QStyleOption *opt, con
                 const int itemHeight = opt->rect.height();
                 int heightOffset = 0;
                 if (indicatorHeight < itemHeight)
-                    heightOffset = ((itemHeight - indicatorHeight)>>1);
+                    heightOffset = ((itemHeight - indicatorHeight) >> 1);
                 if (checkBoxOnly) {
                     // Move rect and make it slightly smaller, so that
                     // a) highlight border does not cross the rect
                     // b) in s60 list checkbox is smaller than normal checkbox
                     //todo; magic three
-                    ret.setRect(opt->rect.left()+3, opt->rect.top() + heightOffset,
-                        indicatorWidth-3, indicatorHeight-3);
+                    ret.setRect(opt->rect.left() + 3, opt->rect.top() + heightOffset,
+                        indicatorWidth - 3, indicatorHeight - 3);
                 } else {
                     ret.setRect(opt->rect.right() - indicatorWidth - spacing, opt->rect.top() + heightOffset,
                         indicatorWidth, indicatorHeight);
@@ -2913,7 +2959,7 @@ QIcon QS60Style::standardIconImplementation(StandardPixmap standardIcon,
     const QStyleOption *option, const QWidget *widget) const
 {
     const int iconDimension = QS60StylePrivate::pixelMetric(QStyle::PM_ToolBarIconSize);
-    const QRect iconSize = (!option) ? QRect(0,0,iconDimension,iconDimension) : option->rect;
+    const QRect iconSize = (!option) ? QRect(0, 0, iconDimension, iconDimension) : option->rect;
     QS60StyleEnums::SkinParts part;
     QS60StylePrivate::SkinElementFlags adjustedFlags;
     if (option)
diff --git a/src/gui/styles/qs60style_p.h b/src/gui/styles/qs60style_p.h
index eed66dc..65d7574 100644
--- a/src/gui/styles/qs60style_p.h
+++ b/src/gui/styles/qs60style_p.h
@@ -119,6 +119,9 @@ public:
         SP_QgnGrafTabPassiveL,
         SP_QgnGrafTabPassiveM,
         SP_QgnGrafTabPassiveR,
+        SP_QgnGrafNsliderEndLeft,
+        SP_QgnGrafNsliderEndRight,
+        SP_QgnGrafNsliderMiddle,
         SP_QgnIndiCheckboxOff,
         SP_QgnIndiCheckboxOn,
         SP_QgnIndiHlColSuper,     // Available in S60 release 3.2 and later.
@@ -131,7 +134,8 @@ public:
         SP_QgnIndiNaviArrowRight,
         SP_QgnIndiRadiobuttOff,
         SP_QgnIndiRadiobuttOn,
-        SP_QgnIndiSliderEdit,
+        SP_QgnGrafNsliderMarker,
+        SP_QgnGrafNsliderMarkerSelected,
         SP_QgnIndiSubMenu,
         SP_QgnNoteErased,
         SP_QgnNoteError,
@@ -313,6 +317,10 @@ public:
         SE_ScrollBarHandleVertical,
         SE_SliderHandleHorizontal,
         SE_SliderHandleVertical,
+        SE_SliderHandleSelectedHorizontal,
+        SE_SliderHandleSelectedVertical,
+        SE_SliderGrooveVertical,
+        SE_SliderGrooveHorizontal,
         SE_TabBarTabEastActive,
         SE_TabBarTabEastInactive,
         SE_TabBarTabNorthActive,
@@ -403,6 +411,7 @@ public:
 
     static bool isTouchSupported();
     static bool isToolBarBackground();
+    static bool hasSliderGrooveGraphic();
 
     // calculates average color based on button skin graphics (minus borders).
     QColor colorFromFrameGraphics(SkinFrameElements frame) const;
diff --git a/src/gui/styles/qs60style_s60.cpp b/src/gui/styles/qs60style_s60.cpp
index fbea644..fb9665a 100644
--- a/src/gui/styles/qs60style_s60.cpp
+++ b/src/gui/styles/qs60style_s60.cpp
@@ -128,48 +128,57 @@ private:
 };
 
 const partMapEntry QS60StyleModeSpecifics::m_partMap[] = {
-    /* SP_QgnGrafBarWait */             {KAknsIIDQgnGrafBarWaitAnim,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafBarFrameCenter */      {KAknsIIDQgnGrafBarFrameCenter,         EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafBarFrameSideL */       {KAknsIIDQgnGrafBarFrameSideL,          EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafBarFrameSideR */       {KAknsIIDQgnGrafBarFrameSideR,          EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafBarProgress */         {KAknsIIDQgnGrafBarProgress,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafScrollArrowDown */     {KAknsIIDQgnGrafScrollArrowDown,     EDrawGulIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafScrollArrowLeft */     {KAknsIIDQgnGrafScrollArrowLeft,     EDrawGulIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafScrollArrowRight */    {KAknsIIDQgnGrafScrollArrowRight,    EDrawGulIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafScrollArrowUp */       {KAknsIIDQgnGrafScrollArrowUp,       EDrawGulIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafTabActiveL */          {KAknsIIDQgnGrafTabActiveL,             EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafTabActiveM */          {KAknsIIDQgnGrafTabActiveM,             EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafTabActiveR */          {KAknsIIDQgnGrafTabActiveR,             EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafTabPassiveL */         {KAknsIIDQgnGrafTabPassiveL,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafTabPassiveM */         {KAknsIIDQgnGrafTabPassiveM,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnGrafTabPassiveR */         {KAknsIIDQgnGrafTabPassiveR,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiCheckboxOff */         {KAknsIIDQgnIndiCheckboxOff,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiCheckboxOn */          {KAknsIIDQgnIndiCheckboxOn,             EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafBarWait */                {KAknsIIDQgnGrafBarWaitAnim,            EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafBarFrameCenter */         {KAknsIIDQgnGrafBarFrameCenter,         EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafBarFrameSideL */          {KAknsIIDQgnGrafBarFrameSideL,          EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafBarFrameSideR */          {KAknsIIDQgnGrafBarFrameSideR,          EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafBarProgress */            {KAknsIIDQgnGrafBarProgress,            EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafScrollArrowDown */        {KAknsIIDQgnGrafScrollArrowDown,     EDrawGulIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafScrollArrowLeft */        {KAknsIIDQgnGrafScrollArrowLeft,     EDrawGulIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafScrollArrowRight */       {KAknsIIDQgnGrafScrollArrowRight,    EDrawGulIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafScrollArrowUp */          {KAknsIIDQgnGrafScrollArrowUp,       EDrawGulIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafTabActiveL */             {KAknsIIDQgnGrafTabActiveL,             EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafTabActiveM */             {KAknsIIDQgnGrafTabActiveM,             EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafTabActiveR */             {KAknsIIDQgnGrafTabActiveR,             EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafTabPassiveL */            {KAknsIIDQgnGrafTabPassiveL,            EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafTabPassiveM */            {KAknsIIDQgnGrafTabPassiveM,            EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnGrafTabPassiveR */            {KAknsIIDQgnGrafTabPassiveR,            EDrawIcon,   ES60_All,    -1,-1},
+
+    // In 3.1 there is no slider groove.
+    /* SP_QgnGrafNsliderEndLeft */         {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x19cf /* KAknsIIDQgnGrafNsliderEndLeft */},
+    /* SP_QgnGrafNsliderEndRight */        {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x19d0 /* KAknsIIDQgnGrafNsliderEndRight */},
+    /* SP_QgnGrafNsliderMiddle */          {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x19d2 /* KAknsIIDQgnGrafNsliderMiddle */},
+    /* SP_QgnIndiCheckboxOff */            {KAknsIIDQgnIndiCheckboxOff,            EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnIndiCheckboxOn */             {KAknsIIDQgnIndiCheckboxOn,             EDrawIcon,   ES60_All,    -1,-1},
+
     // Following 5 items (SP_QgnIndiHlColSuper - SP_QgnIndiHlLineStraight) are available starting from S60 release 3.2.
     // In 3.1 CommonStyle drawing is used for these QTreeView elements, since no similar icons in AVKON UI.
-    /* SP_QgnIndiHlColSuper */          {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d5 /* KAknsIIDQgnIndiHlColSuper */},
-    /* SP_QgnIndiHlExpSuper */          {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d6 /* KAknsIIDQgnIndiHlExpSuper */},
-    /* SP_QgnIndiHlLineBranch */        {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d7 /* KAknsIIDQgnIndiHlLineBranch */},
-    /* SP_QgnIndiHlLineEnd */           {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d8 /* KAknsIIDQgnIndiHlLineEnd */},
-    /* SP_QgnIndiHlLineStraight */      {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d9 /* KAknsIIDQgnIndiHlLineStraight */},
-    /* SP_QgnIndiMarkedAdd */           {KAknsIIDQgnIndiMarkedAdd,              EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiNaviArrowLeft */       {KAknsIIDQgnIndiNaviArrowLeft,          EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiNaviArrowRight */      {KAknsIIDQgnIndiNaviArrowRight,         EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiRadiobuttOff */        {KAknsIIDQgnIndiRadiobuttOff,           EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiRadiobuttOn */         {KAknsIIDQgnIndiRadiobuttOn,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiSliderEdit */          {KAknsIIDQgnIndiSliderEdit,             EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnIndiSubMenu */             {KAknsIIDQgnIndiSubmenu,                EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnNoteErased */              {KAknsIIDQgnNoteErased,                 EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnNoteError */               {KAknsIIDQgnNoteError,                  EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnNoteInfo */                {KAknsIIDQgnNoteInfo,                   EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnNoteOk */                  {KAknsIIDQgnNoteOk,                     EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnNoteQuery */               {KAknsIIDQgnNoteQuery,                  EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnNoteWarning */             {KAknsIIDQgnNoteWarning,                EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnPropFileSmall */           {KAknsIIDQgnPropFileSmall,              EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnPropFolderCurrent */       {KAknsIIDQgnPropFolderCurrent,          EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnPropFolderSmall */         {KAknsIIDQgnPropFolderSmall,            EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnPropFolderSmallNew */      {KAknsIIDQgnPropFolderSmallNew,         EDrawIcon,   ES60_All,    -1,-1},
-    /* SP_QgnPropPhoneMemcLarge */      {KAknsIIDQgnPropPhoneMemcLarge,         EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnIndiHlColSuper */             {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d5 /* KAknsIIDQgnIndiHlColSuper */},
+    /* SP_QgnIndiHlExpSuper */             {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d6 /* KAknsIIDQgnIndiHlExpSuper */},
+    /* SP_QgnIndiHlLineBranch */           {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d7 /* KAknsIIDQgnIndiHlLineBranch */},
+    /* SP_QgnIndiHlLineEnd */              {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d8 /* KAknsIIDQgnIndiHlLineEnd */},
+    /* SP_QgnIndiHlLineStraight */         {KAknsIIDNone,                          EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x17d9 /* KAknsIIDQgnIndiHlLineStraight */},
+    /* SP_QgnIndiMarkedAdd */              {KAknsIIDQgnIndiMarkedAdd,              EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnIndiNaviArrowLeft */          {KAknsIIDQgnIndiNaviArrowLeft,          EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnIndiNaviArrowRight */         {KAknsIIDQgnIndiNaviArrowRight,         EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnIndiRadiobuttOff */           {KAknsIIDQgnIndiRadiobuttOff,           EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnIndiRadiobuttOn */            {KAknsIIDQgnIndiRadiobuttOn,            EDrawIcon,   ES60_All,    -1,-1},
+
+    // In 3.1 there different slider graphic and no pressed state.
+    /* SP_QgnGrafNsliderMarker */          {KAknsIIDQgnIndiSliderEdit,             EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x19d1 /* KAknsIIDQgnGrafNsliderMarker */},
+    /* SP_QgnGrafNsliderMarkerSelected */  {KAknsIIDQgnIndiSliderEdit,             EDrawIcon,   ES60_3_1,    EAknsMajorGeneric, 0x1a4a /* KAknsIIDQgnGrafNsliderMarkerSelected */},
+    /* SP_QgnIndiSubMenu */                {KAknsIIDQgnIndiSubmenu,                EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnNoteErased */                 {KAknsIIDQgnNoteErased,                 EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnNoteError */                  {KAknsIIDQgnNoteError,                  EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnNoteInfo */                   {KAknsIIDQgnNoteInfo,                   EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnNoteOk */                     {KAknsIIDQgnNoteOk,                     EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnNoteQuery */                  {KAknsIIDQgnNoteQuery,                  EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnNoteWarning */                {KAknsIIDQgnNoteWarning,                EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnPropFileSmall */              {KAknsIIDQgnPropFileSmall,              EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnPropFolderCurrent */          {KAknsIIDQgnPropFolderCurrent,          EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnPropFolderSmall */            {KAknsIIDQgnPropFolderSmall,            EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnPropFolderSmallNew */         {KAknsIIDQgnPropFolderSmallNew,         EDrawIcon,   ES60_All,    -1,-1},
+    /* SP_QgnPropPhoneMemcLarge */         {KAknsIIDQgnPropPhoneMemcLarge,         EDrawIcon,   ES60_All,    -1,-1},
 
     // 3.1 & 3.2 do not have pressed state for scrollbar, so use normal scrollbar graphics instead.
     /* SP_QsnCpScrollHandleBottomPressed*/ {KAknsIIDQsnCpScrollHandleBottom,    EDrawIcon,   ES60_3_X,    EAknsMajorGeneric, 0x20f8}, /*KAknsIIDQsnCpScrollHandleBottomPressed*/
@@ -431,8 +440,11 @@ void QS60StyleModeSpecifics::fallbackInfo(const QS60StyleEnums::SkinParts &style
         case QS60StyleEnums::SP_QgnIndiRadiobuttOn:
             fallbackIndex = EMbmAvkonQgn_indi_radiobutt_on;
             break;
-        case QS60StyleEnums::SP_QgnIndiSliderEdit:
-            fallbackIndex = EMbmAvkonQgn_indi_slider_edit;
+        case QS60StyleEnums::SP_QgnGrafNsliderMarker:
+            fallbackIndex = 17572; /* EMbmAvkonQgn_graf_nslider_marker */
+            break;
+        case QS60StyleEnums::SP_QgnGrafNsliderMarkerSelected:
+            fallbackIndex = 17574; /* EMbmAvkonQgn_graf_nslider_marker_selected */
             break;
         case QS60StyleEnums::SP_QgnIndiSubMenu:
             fallbackIndex = EMbmAvkonQgn_indi_submenu;
@@ -587,6 +599,11 @@ bool QS60StylePrivate::isToolBarBackground()
     return (QSysInfo::s60Version() == QSysInfo::SV_S60_3_1 || QSysInfo::s60Version() == QSysInfo::SV_S60_3_2);
 }
 
+bool QS60StylePrivate::hasSliderGrooveGraphic()
+{
+    return QSysInfo::s60Version() != QSysInfo::SV_S60_3_1;
+}
+
 QPoint qt_s60_fill_background_offset(const QWidget *targetWidget)
 {
     CCoeControl *control = targetWidget->effectiveWinId();
@@ -943,37 +960,23 @@ void QS60StylePrivate::setActiveLayout()
 {
     const QSize activeScreenSize(screenSize());
     int activeLayoutIndex = -1;
-    const bool mirrored = !QApplication::isLeftToRight();
     const short screenHeight = (short)activeScreenSize.height();
     const short screenWidth = (short)activeScreenSize.width();
     for (int i=0; i<m_numberOfLayouts; i++) {
         if (screenHeight==m_layoutHeaders[i].height &&
-            screenWidth==m_layoutHeaders[i].width &&
-            mirrored==m_layoutHeaders[i].mirroring) {
+            screenWidth==m_layoutHeaders[i].width) {
             activeLayoutIndex = i;
             break;
         }
     }
 
-    //not found, lets try without mirroring info
-    if (activeLayoutIndex==-1){
-        for (int i=0; i<m_numberOfLayouts; i++) {
-            if (screenHeight==m_layoutHeaders[i].height &&
-                screenWidth==m_layoutHeaders[i].width) {
-                activeLayoutIndex = i;
-                break;
-            }
-        }
-    }
-
     //not found, lets try with either of dimensions
     if (activeLayoutIndex==-1){
         const QSysInfo::S60Version currentRelease = QSysInfo::s60Version();
         const bool landscape = screenHeight < screenWidth;
 
-        activeLayoutIndex = (currentRelease == QSysInfo::SV_S60_3_1 || currentRelease == QSysInfo::SV_S60_3_2) ? 0 : 4;
-        activeLayoutIndex += (!landscape) ? 2 : 0;
-        activeLayoutIndex += (!mirrored) ? 1 : 0;
+        activeLayoutIndex = (currentRelease == QSysInfo::SV_S60_3_1 || currentRelease == QSysInfo::SV_S60_3_2) ? 0 : 2;
+        activeLayoutIndex += (!landscape) ? 1 : 0;
     }
 
     m_pmPointer = data[activeLayoutIndex];
@@ -1130,9 +1133,21 @@ QPixmap QS60StylePrivate::frame(SkinFrameElements frame, const QSize &size, Skin
 
 QPixmap QS60StylePrivate::backgroundTexture()
 {
+    bool createNewBackground = false;
     if (!m_background) {
+        createNewBackground = true;
+    } else {
+        //if background brush does not match screensize, re-create it
+        if (m_background->width() != S60->screenWidthInPixels ||
+            m_background->height() != S60->screenHeightInPixels) {
+            delete m_background;
+            createNewBackground = true;
+        }
+    }
+
+    if (createNewBackground) {
         QPixmap background = part(QS60StyleEnums::SP_QsnBgScreen,
-                QSize(S60->screenWidthInPixels, S60->screenHeightInPixels), 0, SkinElementFlags());
+            QSize(S60->screenWidthInPixels, S60->screenHeightInPixels), 0, SkinElementFlags());
         m_background = new QPixmap(background);
     }
     return *m_background;
@@ -1140,8 +1155,7 @@ QPixmap QS60StylePrivate::backgroundTexture()
 
 QSize QS60StylePrivate::screenSize()
 {
-    const TSize screenSize = QS60Data::screenDevice()->SizeInPixels();
-    return QSize(screenSize.iWidth, screenSize.iHeight);
+    return QSize(S60->screenWidthInPixels, S60->screenHeightInPixels);
 }
 
 QS60Style::QS60Style()
diff --git a/src/gui/styles/qs60style_simulated.cpp b/src/gui/styles/qs60style_simulated.cpp
index 55d5771..e49854f 100644
--- a/src/gui/styles/qs60style_simulated.cpp
+++ b/src/gui/styles/qs60style_simulated.cpp
@@ -337,6 +337,11 @@ bool QS60StylePrivate::isToolBarBackground()
     return true;
 }
 
+bool QS60StylePrivate::hasSliderGrooveGraphic()
+{
+    return false;
+}
+
 QFont QS60StylePrivate::s60Font_specific(QS60StyleEnums::FontCategories fontCategory, int pointSize)
 {
     QFont result;
diff --git a/src/gui/styles/qstylehelper.cpp b/src/gui/styles/qstylehelper.cpp
index af30f15..f5af960 100644
--- a/src/gui/styles/qstylehelper.cpp
+++ b/src/gui/styles/qstylehelper.cpp
@@ -154,7 +154,7 @@ qreal angle(const QPointF &p1, const QPointF &p2)
         }
 
         qreal m = -(y2 - y1) / (x2 - x1);
-        _angle = atan(m) *  rad_factor;
+        _angle = qAtan(m) *  rad_factor;
 
         if (p1.x() < p2.x())
             _angle = 180 - _angle;
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index 7e93aa0..e9c7b89 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -1482,13 +1482,13 @@ QString QFontDatabase::styleString(const QFontInfo &fontInfo)
     and style will look attractive.
 
     If the font family is available from two or more foundries the
-    foundry name is included in the family name, e.g. "Helvetica
-    [Adobe]" and "Helvetica [Cronyx]". When you specify a family you
-    can either use the old hyphenated Qt 2.x "foundry-family" format,
-    e.g. "Cronyx-Helvetica", or the new bracketed Qt 3.x "family
-    [foundry]" format e.g. "Helvetica [Cronyx]". If the family has a
-    foundry it is always returned, e.g. by families(), using the
-    bracketed format.
+    foundry name is included in the family name; for example:
+    "Helvetica [Adobe]" and "Helvetica [Cronyx]". When you specify a
+    family, you can either use the old hyphenated "foundry-family"
+    format or the bracketed "family [foundry]" format; for example:
+    "Cronyx-Helvetica" or "Helvetica [Cronyx]". If the family has a
+    foundry it is always returned using the bracketed format, as is
+    the case with the value returned by families().
 
     The font() function returns a QFont given a family, style and
     point size.
diff --git a/src/gui/text/qfontengine_mac.mm b/src/gui/text/qfontengine_mac.mm
index a4e7c04..a75d70f 100644
--- a/src/gui/text/qfontengine_mac.mm
+++ b/src/gui/text/qfontengine_mac.mm
@@ -404,7 +404,9 @@ QFixed QCoreTextFontEngine::ascent() const
 }
 QFixed QCoreTextFontEngine::descent() const
 {
-    return QFixed::fromReal(CTFontGetDescent(ctfont)).ceil();
+    // subtract a pixel to even out the historical +1 in QFontMetrics::height().
+    // Fix in Qt 5.
+    return QFixed::fromReal(CTFontGetDescent(ctfont)).ceil() - 1;
 }
 QFixed QCoreTextFontEngine::leading() const
 {
@@ -1406,7 +1408,9 @@ QFixed QFontEngineMac::ascent() const
 
 QFixed QFontEngineMac::descent() const
 {
-    return m_descent;
+    // subtract a pixel to even out the historical +1 in QFontMetrics::height().
+    // Fix in Qt 5.
+    return m_descent - 1;
 }
 
 QFixed QFontEngineMac::leading() const
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index f96f66b..f523226 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -1938,7 +1938,11 @@ void QTextControlPrivate::focusEvent(QFocusEvent *e)
     emit q->updateRequest(q->selectionRect());
     if (e->gotFocus()) {
 #ifdef QT_KEYPAD_NAVIGATION
-        if (!QApplication::keypadNavigationEnabled() || (hasEditFocus && e->reason() == Qt::PopupFocusReason)) {
+        if (!QApplication::keypadNavigationEnabled() || (hasEditFocus && (e->reason() == Qt::PopupFocusReason
+#ifdef Q_OS_SYMBIAN
+            || e->reason() == Qt::ActiveWindowFocusReason
+#endif
+            ))) {
 #endif
         cursorOn = (interactionFlags & Qt::TextSelectableByKeyboard);
         if (interactionFlags & Qt::TextEditable) {
diff --git a/src/gui/util/qsystemtrayicon_p.h b/src/gui/util/qsystemtrayicon_p.h
index 86de366..029a259 100644
--- a/src/gui/util/qsystemtrayicon_p.h
+++ b/src/gui/util/qsystemtrayicon_p.h
@@ -94,6 +94,7 @@ public:
 
 class QBalloonTip : public QWidget
 {
+    Q_OBJECT
 public:
     static void showBalloon(QSystemTrayIcon::MessageIcon icon, const QString& title,
                             const QString& msg, QSystemTrayIcon *trayIcon,
diff --git a/src/gui/util/qsystemtrayicon_win.cpp b/src/gui/util/qsystemtrayicon_win.cpp
index 362be5b..474555b 100644
--- a/src/gui/util/qsystemtrayicon_win.cpp
+++ b/src/gui/util/qsystemtrayicon_win.cpp
@@ -83,7 +83,11 @@ struct Q_NOTIFYICONIDENTIFIER {
     GUID guidItem;
 };
 
+#define Q_MSGFLT_ALLOW 1
+
 typedef HRESULT (WINAPI *PtrShell_NotifyIconGetRect)(const Q_NOTIFYICONIDENTIFIER* identifier, RECT* iconLocation);
+typedef BOOL (WINAPI *PtrChangeWindowMessageFilter)(UINT message, DWORD dwFlag);
+typedef BOOL (WINAPI *PtrChangeWindowMessageFilterEx)(HWND hWnd, UINT message, DWORD action, void* pChangeFilterStruct);
 
 class QSystemTrayIconSys : QWidget
 {
@@ -143,6 +147,23 @@ QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *object)
     if (!MYWM_TASKBARCREATED) {
         MYWM_TASKBARCREATED = RegisterWindowMessage(L"TaskbarCreated");
     }
+
+    // Allow the WM_TASKBARCREATED message through the UIPI filter on Windows Vista and higher
+    static PtrChangeWindowMessageFilterEx pChangeWindowMessageFilterEx =
+        (PtrChangeWindowMessageFilterEx)QLibrary::resolve(QLatin1String("user32"), "ChangeWindowMessageFilterEx");
+
+    if (pChangeWindowMessageFilterEx) {
+        // Call the safer ChangeWindowMessageFilterEx API if available
+        pChangeWindowMessageFilterEx(winId(), MYWM_TASKBARCREATED, Q_MSGFLT_ALLOW, 0);
+    } else {
+        static PtrChangeWindowMessageFilter pChangeWindowMessageFilter =
+            (PtrChangeWindowMessageFilter)QLibrary::resolve(QLatin1String("user32"), "ChangeWindowMessageFilter");
+
+        if (pChangeWindowMessageFilter) {
+            // Call the deprecated ChangeWindowMessageFilter API otherwise
+            pChangeWindowMessageFilter(MYWM_TASKBARCREATED, Q_MSGFLT_ALLOW);
+        }
+    }
 }
 
 QSystemTrayIconSys::~QSystemTrayIconSys()
diff --git a/src/gui/widgets/qabstractspinbox.cpp b/src/gui/widgets/qabstractspinbox.cpp
index c015589..e26d5c3 100644
--- a/src/gui/widgets/qabstractspinbox.cpp
+++ b/src/gui/widgets/qabstractspinbox.cpp
@@ -65,6 +65,11 @@
 #include <limits.h>
 #endif
 
+#if defined(Q_OS_SYMBIAN)
+#include <W32STD.H>
+#include <private/qt_s60_p.h>
+#endif
+
 //#define QABSTRACTSPINBOX_QSBDEBUG
 #ifdef QABSTRACTSPINBOX_QSBDEBUG
 #  define QASBDEBUG qDebug
@@ -939,10 +944,12 @@ void QAbstractSpinBox::keyPressEvent(QKeyEvent *event)
         d->edit->setCursorPosition(d->prefix.size());
 
     int steps = 1;
+    bool isPgUpOrDown = false;
     switch (event->key()) {
     case Qt::Key_PageUp:
     case Qt::Key_PageDown:
         steps *= 10;
+        isPgUpOrDown = true;
     case Qt::Key_Up:
     case Qt::Key_Down: {
 #ifdef QT_KEYPAD_NAVIGATION
@@ -964,7 +971,13 @@ void QAbstractSpinBox::keyPressEvent(QKeyEvent *event)
         if (style()->styleHint(QStyle::SH_SpinBox_AnimateButton, 0, this)) {
             d->buttonState = (Keyboard | (up ? Up : Down));
         }
-        stepBy(steps);
+        if (d->spinClickTimerId == -1)
+            stepBy(steps);
+        if(event->isAutoRepeat() && !isPgUpOrDown) {
+            if(d->spinClickThresholdTimerId == -1 && d->spinClickTimerId == -1) {
+                d->updateState(up, true);
+            }
+        }
 #ifndef QT_NO_ACCESSIBILITY
         QAccessible::updateAccessibility(this, 0, QAccessible::ValueChanged);
 #endif
@@ -1061,8 +1074,7 @@ void QAbstractSpinBox::keyReleaseEvent(QKeyEvent *event)
 {
     Q_D(QAbstractSpinBox);
 
-    if (d->buttonState & Keyboard && !event->isAutoRepeat()
-        && style()->styleHint(QStyle::SH_SpinBox_AnimateButton, 0, this)) {
+    if (d->buttonState & Keyboard && !event->isAutoRepeat())  {
         d->reset();
     } else {
         d->edit->event(event);
@@ -1148,6 +1160,34 @@ void QAbstractSpinBox::hideEvent(QHideEvent *event)
     QWidget::hideEvent(event);
 }
 
+
+/*!
+    \internal
+
+    Used when acceleration is turned on. We need to get the
+    keyboard auto repeat rate from OS. This value is used as
+    argument when starting acceleration related timers.
+
+    Every platform should, either, use native calls to obtain
+    the value or hard code some reasonable rate.
+
+    Remember that time value should be given in msecs.
+*/
+static int getKeyboardAutoRepeatRate() {
+    int ret = 30;
+#if defined(Q_OS_SYMBIAN)
+    TTimeIntervalMicroSeconds32 initialTime;
+    TTimeIntervalMicroSeconds32 time;
+    S60->wsSession().GetKeyboardRepeatRate(initialTime, time);
+    ret = time.Int() / 1000; // msecs
+#elif defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+    DWORD time;
+    if (SystemParametersInfo(SPI_GETKEYBOARDSPEED, 0, &time, 0) != FALSE)
+        ret = static_cast<int>(1000 / static_cast<int>(time)); // msecs
+#endif
+    return ret; // msecs
+}
+
 /*!
     \reimp
 */
@@ -1160,14 +1200,17 @@ void QAbstractSpinBox::timerEvent(QTimerEvent *event)
     if (event->timerId() == d->spinClickThresholdTimerId) {
         killTimer(d->spinClickThresholdTimerId);
         d->spinClickThresholdTimerId = -1;
-        d->spinClickTimerId = startTimer(d->spinClickTimerInterval);
+        d->effectiveSpinRepeatRate = d->buttonState & Keyboard
+                                     ? getKeyboardAutoRepeatRate()
+                                     : d->spinClickTimerInterval;
+        d->spinClickTimerId = startTimer(d->effectiveSpinRepeatRate);
         doStep = true;
     } else if (event->timerId() == d->spinClickTimerId) {
         if (d->accelerate) {
-            d->acceleration = d->acceleration + (int)(d->spinClickTimerInterval * 0.05);
-            if (d->spinClickTimerInterval - d->acceleration >= 10) {
+            d->acceleration = d->acceleration + (int)(d->effectiveSpinRepeatRate * 0.05);
+            if (d->effectiveSpinRepeatRate - d->acceleration >= 10) {
                 killTimer(d->spinClickTimerId);
-                d->spinClickTimerId = startTimer(d->spinClickTimerInterval - d->acceleration);
+                d->spinClickTimerId = startTimer(d->effectiveSpinRepeatRate - d->acceleration);
             }
         }
         doStep = true;
@@ -1308,8 +1351,8 @@ void QAbstractSpinBox::mouseReleaseEvent(QMouseEvent *event)
 QAbstractSpinBoxPrivate::QAbstractSpinBoxPrivate()
     : edit(0), type(QVariant::Invalid), spinClickTimerId(-1),
       spinClickTimerInterval(100), spinClickThresholdTimerId(-1), spinClickThresholdTimerInterval(-1),
-      buttonState(None), cachedText(QLatin1String("\x01")), cachedState(QValidator::Invalid),
-      pendingEmit(false), readOnly(false), wrapping(false),
+      effectiveSpinRepeatRate(1), buttonState(None), cachedText(QLatin1String("\x01")),
+      cachedState(QValidator::Invalid), pendingEmit(false), readOnly(false), wrapping(false),
       ignoreCursorPositionChanged(false), frame(true), accelerate(false), keyboardTracking(true),
       cleared(false), ignoreUpdateEdit(false), correctionMode(QAbstractSpinBox::CorrectToPreviousValue),
       acceleration(0), hoverControl(QStyle::SC_None), buttonSymbols(QAbstractSpinBox::UpDownArrows), validator(0)
@@ -1554,7 +1597,7 @@ void QAbstractSpinBoxPrivate::reset()
     Updates the state of the spinbox.
 */
 
-void QAbstractSpinBoxPrivate::updateState(bool up)
+void QAbstractSpinBoxPrivate::updateState(bool up, bool fromKeyboard /* = false */)
 {
     Q_Q(QAbstractSpinBox);
     if ((up && (buttonState & Up)) || (!up && (buttonState & Down)))
@@ -1563,7 +1606,7 @@ void QAbstractSpinBoxPrivate::updateState(bool up)
     if (q && (q->stepEnabled() & (up ? QAbstractSpinBox::StepUpEnabled
                                   : QAbstractSpinBox::StepDownEnabled))) {
         spinClickThresholdTimerId = q->startTimer(spinClickThresholdTimerInterval);
-        buttonState = (up ? (Mouse | Up) : (Mouse | Down));
+        buttonState = (up ? Up : Down) | (fromKeyboard ? Keyboard : Mouse);
         q->stepBy(up ? 1 : -1);
 #ifndef QT_NO_ACCESSIBILITY
         QAccessible::updateAccessibility(q, 0, QAccessible::ValueChanged);
diff --git a/src/gui/widgets/qabstractspinbox_p.h b/src/gui/widgets/qabstractspinbox_p.h
index 3020cbc..55f94d7 100644
--- a/src/gui/widgets/qabstractspinbox_p.h
+++ b/src/gui/widgets/qabstractspinbox_p.h
@@ -98,7 +98,7 @@ public:
 
     void init();
     void reset();
-    void updateState(bool up);
+    void updateState(bool up, bool fromKeyboard = false);
     QString stripped(const QString &text, int *pos = 0) const;
     bool specialValue() const;
     virtual QVariant getZeroVariant() const;
@@ -129,6 +129,7 @@ public:
     QVariant value, minimum, maximum, singleStep;
     QVariant::Type type;
     int spinClickTimerId, spinClickTimerInterval, spinClickThresholdTimerId, spinClickThresholdTimerInterval;
+    int effectiveSpinRepeatRate;
     uint buttonState;
     mutable QString cachedText;
     mutable QVariant cachedValue;
diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp
index ea65a40..2e2acb7 100644
--- a/src/gui/widgets/qcombobox.cpp
+++ b/src/gui/widgets/qcombobox.cpp
@@ -931,7 +931,10 @@ void QComboBoxPrivate::init()
                                  QSizePolicy::ComboBox));
     setLayoutItemMargins(QStyle::SE_ComboBoxLayoutItem);
     q->setModel(new QStandardItemModel(0, 1, q));
-    q->setAttribute(Qt::WA_InputMethodEnabled);
+    if (!q->isEditable())
+        q->setAttribute(Qt::WA_InputMethodEnabled, false);
+    else
+        q->setAttribute(Qt::WA_InputMethodEnabled);
 }
 
 QComboBoxPrivateContainer* QComboBoxPrivate::viewContainer()
diff --git a/src/gui/widgets/qdial.cpp b/src/gui/widgets/qdial.cpp
index 95e6ed5..dc02c02 100644
--- a/src/gui/widgets/qdial.cpp
+++ b/src/gui/widgets/qdial.cpp
@@ -59,6 +59,7 @@
 #ifndef QT_NO_ACCESSIBILITY
 #include "qaccessible.h"
 #endif
+#include <qmath.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -135,7 +136,7 @@ int QDialPrivate::valueFromPoint(const QPoint &p) const
     Q_Q(const QDial);
     double yy = (double)q->height()/2.0 - p.y();
     double xx = (double)p.x() - q->width()/2.0;
-    double a = (xx || yy) ? atan2(yy, xx) : 0;
+    double a = (xx || yy) ? qAtan2(yy, xx) : 0;
 
     if (a < Q_PI / -2)
         a = a + Q_PI * 2;
diff --git a/src/gui/widgets/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp
index 15dcda2..573b2b5 100644
--- a/src/gui/widgets/qlineedit.cpp
+++ b/src/gui/widgets/qlineedit.cpp
@@ -1761,7 +1761,11 @@ void QLineEdit::focusInEvent(QFocusEvent *e)
         d->clickCausedFocus = 1;
     }
 #ifdef QT_KEYPAD_NAVIGATION
-    if (!QApplication::keypadNavigationEnabled() || (hasEditFocus() && e->reason() == Qt::PopupFocusReason)){
+    if (!QApplication::keypadNavigationEnabled() || (hasEditFocus() && ( e->reason() == Qt::PopupFocusReason
+#ifdef Q_OS_SYMBIAN
+            || e->reason() == Qt::ActiveWindowFocusReason
+#endif
+            ))) {
 #endif
     d->control->setCursorBlinkPeriod(QApplication::cursorFlashTime());
     QStyleOptionFrameV2 opt;
diff --git a/src/gui/widgets/qlineedit.h b/src/gui/widgets/qlineedit.h
index 594e488..3f159f6 100644
--- a/src/gui/widgets/qlineedit.h
+++ b/src/gui/widgets/qlineedit.h
@@ -288,6 +288,7 @@ private:
 #ifdef QT_KEYPAD_NAVIGATION
     Q_PRIVATE_SLOT(d_func(), void _q_editFocusChange(bool))
 #endif
+    Q_PRIVATE_SLOT(d_func(), void _q_selectionChanged())
 };
 
 #endif // QT_NO_LINEEDIT
diff --git a/src/gui/widgets/qlineedit_p.cpp b/src/gui/widgets/qlineedit_p.cpp
index 4437fef..c18ca25 100644
--- a/src/gui/widgets/qlineedit_p.cpp
+++ b/src/gui/widgets/qlineedit_p.cpp
@@ -126,6 +126,21 @@ void QLineEditPrivate::_q_editFocusChange(bool e)
 }
 #endif
 
+void QLineEditPrivate::_q_selectionChanged()
+{
+    Q_Q(QLineEdit);
+    if (control->preeditAreaText().isEmpty()) {
+        QStyleOptionFrameV2 opt;
+        q->initStyleOption(&opt);
+        bool showCursor = control->hasSelectedText() ?
+                          q->style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected, &opt, q):
+                          true;
+        setCursorVisible(showCursor);
+    }
+
+    emit q->selectionChanged();
+}
+
 void QLineEditPrivate::init(const QString& txt)
 {
     Q_Q(QLineEdit);
@@ -138,7 +153,7 @@ void QLineEditPrivate::init(const QString& txt)
     QObject::connect(control, SIGNAL(cursorPositionChanged(int,int)),
             q, SLOT(_q_cursorPositionChanged(int,int)));
     QObject::connect(control, SIGNAL(selectionChanged()),
-            q, SIGNAL(selectionChanged()));
+            q, SLOT(_q_selectionChanged()));
     QObject::connect(control, SIGNAL(accepted()),
             q, SIGNAL(returnPressed()));
     QObject::connect(control, SIGNAL(editingFinished()),
@@ -149,6 +164,9 @@ void QLineEditPrivate::init(const QString& txt)
 #endif
     QObject::connect(control, SIGNAL(cursorPositionChanged(int,int)),
             q, SLOT(updateMicroFocus()));
+    
+    QObject::connect(control, SIGNAL(textChanged(const QString &)),
+            q, SLOT(updateMicroFocus()));
 
     // for now, going completely overboard with updates.
     QObject::connect(control, SIGNAL(selectionChanged()),
diff --git a/src/gui/widgets/qlineedit_p.h b/src/gui/widgets/qlineedit_p.h
index dc648e8..f13dce2 100644
--- a/src/gui/widgets/qlineedit_p.h
+++ b/src/gui/widgets/qlineedit_p.h
@@ -128,7 +128,7 @@ public:
 #ifdef QT_KEYPAD_NAVIGATION
     void _q_editFocusChange(bool);
 #endif
-
+    void _q_selectionChanged();
 #ifndef QT_NO_COMPLETER
     void _q_completionHighlighted(QString);
 #endif
diff --git a/src/gui/widgets/qmainwindowlayout_mac.mm b/src/gui/widgets/qmainwindowlayout_mac.mm
index 8d8ffa7..6d50678 100644
--- a/src/gui/widgets/qmainwindowlayout_mac.mm
+++ b/src/gui/widgets/qmainwindowlayout_mac.mm
@@ -463,9 +463,6 @@ void QMainWindowLayout::removeFromMacToolbar(QToolBar *toolbar)
             NSToolbarItem *item = static_cast<NSToolbarItem *>(it.key());
             [[qt_mac_window_for(layoutState.mainWindow->window()) toolbar]
                 removeItemAtIndex:toolbarItemsCopy.indexOf(item)];
-            // In Carbon this hash and list gets emptied via events. In Cocoa, we have to do it ourselves here.
-            it = unifiedToolbarHash.erase(it);
-            qtoolbarsInUnifiedToolbarList.removeAll(toolbar);
 #endif
             break;
         }
diff --git a/src/gui/widgets/qplaintextedit.cpp b/src/gui/widgets/qplaintextedit.cpp
index be24012..18b793e 100644
--- a/src/gui/widgets/qplaintextedit.cpp
+++ b/src/gui/widgets/qplaintextedit.cpp
@@ -765,6 +765,7 @@ void QPlainTextEditPrivate::init(const QString &txt)
     QObject::connect(control, SIGNAL(cursorPositionChanged()), q, SLOT(_q_cursorPositionChanged()));
     QObject::connect(control, SIGNAL(cursorPositionChanged()), q, SIGNAL(cursorPositionChanged()));
 
+    QObject::connect(control, SIGNAL(textChanged()), q, SLOT(updateMicroFocus()));
 
     // set a null page size initially to avoid any relayouting until the textedit
     // is shown. relayoutDocument() will take care of setting the page size to the
diff --git a/src/gui/widgets/qtextedit.cpp b/src/gui/widgets/qtextedit.cpp
index 1bc0bf1..5d8f134 100644
--- a/src/gui/widgets/qtextedit.cpp
+++ b/src/gui/widgets/qtextedit.cpp
@@ -158,6 +158,8 @@ void QTextEditPrivate::init(const QString &html)
     QObject::connect(control, SIGNAL(selectionChanged()), q, SIGNAL(selectionChanged()));
     QObject::connect(control, SIGNAL(cursorPositionChanged()), q, SIGNAL(cursorPositionChanged()));
 
+    QObject::connect(control, SIGNAL(textChanged()), q, SLOT(updateMicroFocus()));
+
     QTextDocument *doc = control->document();
     // set a null page size initially to avoid any relayouting until the textedit
     // is shown. relayoutDocument() will take care of setting the page size to the
diff --git a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
index 9645fa8..f58f5be 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
@@ -403,6 +403,7 @@ void QAudioDeviceInfoInternal::updateLists()
 
 QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode)
 {
+    QList<QByteArray> allDevices;
     QList<QByteArray> devices;
     QByteArray filter;
 
@@ -430,6 +431,7 @@ QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode)
         if((name != NULL) && (descr != NULL) && ((io == NULL) || (io == filter))) {
             QString deviceName = QLatin1String(name);
             QString deviceDescription = QLatin1String(descr);
+            allDevices.append(deviceName.toLocal8Bit().constData());
             if(deviceDescription.contains(QLatin1String("Default Audio Device")))
                 devices.append(deviceName.toLocal8Bit().constData());
         }
@@ -457,6 +459,9 @@ QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode)
     if (idx > 0)
         devices.append("default");
 #endif
+    if (devices.size() == 0 && allDevices.size() > 0)
+        return allDevices;
+
     return devices;
 }
 
diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp
index b7f9ffd..f50a547 100644
--- a/src/multimedia/audio/qaudioinput_win32_p.cpp
+++ b/src/multimedia/audio/qaudioinput_win32_p.cpp
@@ -153,6 +153,14 @@ WAVEHDR* QAudioInputPrivate::allocateBlocks(int size, int count)
 
 void QAudioInputPrivate::freeBlocks(WAVEHDR* blockArray)
 {
+    WAVEHDR* blocks = blockArray;
+
+    int count = buffer_size/period_size;
+
+    for(int i = 0; i < count; i++) {
+        waveInUnprepareHeader(hWaveIn,&blocks[i], sizeof(WAVEHDR));
+        blocks+=sizeof(WAVEHDR);
+    }
     HeapFree(GetProcessHeap(), 0, blockArray);
 }
 
@@ -222,11 +230,6 @@ bool QAudioInputPrivate::open()
     } else {
         period_size = buffer_size/5;
     }
-#ifdef Q_OS_WINCE
-    // For wince reduce size to 40ms for buffer size and 20ms period
-    buffer_size = settings.frequency()*settings.channels()*(settings.sampleSize()/8)*0.04;
-    period_size = buffer_size/2;
-#endif
     timeStamp.restart();
     elapsedTimeOffset = 0;
     wfx.nSamplesPerSec = settings.frequency();
@@ -317,7 +320,7 @@ void QAudioInputPrivate::close()
     deviceState = QAudio::StoppedState;
 
     int count = 0;
-    while(!finished && count < 100) {
+    while(!finished && count < 500) {
         count++;
         Sleep(10);
     }
@@ -349,9 +352,10 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len)
     char*  p = data;
     qint64 l = 0;
     qint64 written = 0;
+
     while(!done) {
         // Read in some audio data
-        if(waveBlocks[header].dwBytesRecorded > 0) {
+        if(waveBlocks[header].dwBytesRecorded > 0 && waveBlocks[header].dwFlags & WHDR_DONE) {
             if(pullMode) {
                 l = audioSource->write(waveBlocks[header].lpData,
                         waveBlocks[header].dwBytesRecorded);
@@ -394,6 +398,9 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len)
             //no data, not ready yet, next time
             return 0;
         }
+
+        waveInUnprepareHeader(hWaveIn,&waveBlocks[header], sizeof(WAVEHDR));
+
         EnterCriticalSection(&waveInCriticalSection);
         waveFreeBlockCount++;
         LeaveCriticalSection(&waveInCriticalSection);
@@ -401,17 +408,22 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len)
         waveBlocks[header].dwFlags = 0L;
         result = waveInPrepareHeader(hWaveIn,&waveBlocks[header], sizeof(WAVEHDR));
         if(result != MMSYSERR_NOERROR) {
+            result = waveInPrepareHeader(hWaveIn,&waveBlocks[header], sizeof(WAVEHDR));
             qWarning("QAudioInput: failed to prepare block %d,err=%d",header,result);
-            errorState = QAudio::OpenError;
-            deviceState = QAudio::StoppedState;
-            emit stateChanged(deviceState);
+            errorState = QAudio::IOError;
+            EnterCriticalSection(&waveInCriticalSection);
+            waveFreeBlockCount--;
+            LeaveCriticalSection(&waveInCriticalSection);
+            return 0;
         }
         result = waveInAddBuffer(hWaveIn, &waveBlocks[header], sizeof(WAVEHDR));
         if(result != MMSYSERR_NOERROR) {
             qWarning("QAudioInput: failed to setup block %d,err=%d",header,result);
-            errorState = QAudio::OpenError;
-            deviceState = QAudio::StoppedState;
-            emit stateChanged(deviceState);
+            errorState = QAudio::IOError;
+            EnterCriticalSection(&waveInCriticalSection);
+            waveFreeBlockCount--;
+            LeaveCriticalSection(&waveInCriticalSection);
+            return 0;
         }
         header++;
         if(header >= buffer_size/period_size)
diff --git a/src/multimedia/audio/qaudiooutput_win32_p.cpp b/src/multimedia/audio/qaudiooutput_win32_p.cpp
index 2cfc472..02c8cfe 100644
--- a/src/multimedia/audio/qaudiooutput_win32_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_win32_p.cpp
@@ -147,6 +147,14 @@ WAVEHDR* QAudioOutputPrivate::allocateBlocks(int size, int count)
 
 void QAudioOutputPrivate::freeBlocks(WAVEHDR* blockArray)
 {
+    WAVEHDR* blocks = blockArray;
+
+    int count = buffer_size/period_size;
+
+    for(int i = 0; i < count; i++) {
+        waveOutUnprepareHeader(hWaveOut,&blocks[i], sizeof(WAVEHDR));
+        blocks+=sizeof(WAVEHDR);
+    }
     HeapFree(GetProcessHeap(), 0, blockArray);
 }
 
diff --git a/src/network/access/qnetworkreply.cpp b/src/network/access/qnetworkreply.cpp
index 0792cea..1be66ab 100644
--- a/src/network/access/qnetworkreply.cpp
+++ b/src/network/access/qnetworkreply.cpp
@@ -171,7 +171,7 @@ QNetworkReplyPrivate::QNetworkReplyPrivate()
     \value UnknownProxyError            an unknown proxy-related error
     was detected
 
-    \value UnknownContentError          an unknonwn error related to
+    \value UnknownContentError          an unknown error related to
     the remote content was detected
 
     \value ProtocolFailure              a breakdown in protocol was
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index c20812e..1667c10 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -273,7 +273,7 @@ void QNetworkReplyImplPrivate::handleNotifications()
     if (state != Working)
         return;
 
-    while (!current.isEmpty()) {
+    while (state == Working && !current.isEmpty()) {
         InternalNotifications notification = current.dequeue();
         switch (notification) {
         case NotifyDownstreamReadyWrite:
@@ -580,7 +580,7 @@ QNetworkReplyImpl::~QNetworkReplyImpl()
 void QNetworkReplyImpl::abort()
 {
     Q_D(QNetworkReplyImpl);
-    if (d->state == QNetworkReplyImplPrivate::Aborted)
+    if (d->state == QNetworkReplyImplPrivate::Finished || d->state == QNetworkReplyImplPrivate::Aborted)
         return;
 
     // stop both upload and download
diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp
index 98a39cd..e77a425 100644
--- a/src/network/kernel/qhostinfo.cpp
+++ b/src/network/kernel/qhostinfo.cpp
@@ -60,11 +60,9 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_GLOBAL_STATIC(QHostInfoAgent, theAgent)
-void QHostInfoAgent::staticCleanup()
-{
-    theAgent()->cleanup();
-}
+#ifndef QT_NO_THREAD
+Q_GLOBAL_STATIC(QHostInfoLookupManager, theHostInfoLookupManager)
+#endif
 
 //#define QHOSTINFO_DEBUG
 
@@ -143,6 +141,9 @@ static QBasicAtomicInt theIdCounter = Q_BASIC_ATOMIC_INITIALIZER(1);
 
     \snippet doc/src/snippets/code/src_network_kernel_qhostinfo.cpp 4
 
+    \note There is no guarantee on the order the signals will be emitted
+    if you start multiple requests with lookupHost().
+
     \sa abortHostLookup(), addresses(), error(), fromName()
 */
 int QHostInfo::lookupHost(const QString &name, QObject *receiver,
@@ -159,38 +160,32 @@ int QHostInfo::lookupHost(const QString &name, QObject *receiver,
 
     qRegisterMetaType<QHostInfo>("QHostInfo");
 
-#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
-    QWindowsSockInit bust; // makes sure WSAStartup was callled
-#endif
-
-    QScopedPointer<QHostInfoResult> result(new QHostInfoResult);
-    result.data()->autoDelete = false;
-    QObject::connect(result.data(), SIGNAL(resultsReady(QHostInfo)),
-                     receiver, member);
-    int id = result.data()->lookupId = theIdCounter.fetchAndAddRelaxed(1);
+    int id = theIdCounter.fetchAndAddRelaxed(1); // generate unique ID
 
     if (name.isEmpty()) {
-        QHostInfo info(id);
-        info.setError(QHostInfo::HostNotFound);
-        info.setErrorString(QObject::tr("No host name given"));
-        QMetaObject::invokeMethod(result.data(), "emitResultsReady", Qt::QueuedConnection,
-                                  Q_ARG(QHostInfo, info));
-        result.take()->autoDelete = true;
+        QHostInfo hostInfo(id);
+        hostInfo.setError(QHostInfo::HostNotFound);
+        hostInfo.setErrorString(QObject::tr("No host name given"));
+        QScopedPointer<QHostInfoResult> result(new QHostInfoResult);
+        QObject::connect(result.data(), SIGNAL(resultsReady(QHostInfo)),
+                         receiver, member, Qt::QueuedConnection);
+        result.data()->emitResultsReady(hostInfo);
         return id;
     }
 
-    QHostInfoAgent *agent = theAgent();
-    agent->addHostName(name, result.take());
-
-#if !defined QT_NO_THREAD
-    if (!agent->isRunning())
-        agent->start();
+#ifdef QT_NO_THREAD
+    QHostInfo hostInfo = QHostInfoAgent::fromName(name);
+    hostInfo.setLookupId(id);
+    QScopedPointer<QHostInfoResult> result(new QHostInfoResult);
+    QObject::connect(result.data(), SIGNAL(resultsReady(QHostInfo)),
+                     receiver, member, Qt::QueuedConnection);
+    result.data()->emitResultsReady(hostInfo);
 #else
-//    if (!agent->isRunning())
-	agent->run();
-//    else
-//	agent->wakeOne();
+    QHostInfoRunnable* runnable = new QHostInfoRunnable(name, id);
+    QObject::connect(&runnable->resultEmitter, SIGNAL(resultsReady(QHostInfo)), receiver, member, Qt::QueuedConnection);
+    theHostInfoLookupManager()->scheduleLookup(runnable);
 #endif
+
     return id;
 }
 
@@ -201,8 +196,12 @@ int QHostInfo::lookupHost(const QString &name, QObject *receiver,
 */
 void QHostInfo::abortHostLookup(int id)
 {
-    QHostInfoAgent *agent = theAgent();
-    agent->abortLookup(id);
+#ifndef QT_NO_THREAD
+    theHostInfoLookupManager()->abortLookup(id);
+#else
+    // we cannot abort if it was non threaded.. the result signal has already been posted
+    Q_UNUSED(id);
+#endif
 }
 
 /*!
@@ -228,70 +227,6 @@ QHostInfo QHostInfo::fromName(const QString &name)
 }
 
 /*!
-    \internal
-    Pops a query off the queries list, performs a blocking call to
-    QHostInfoAgent::lookupHost(), and emits the resultsReady()
-    signal. This process repeats until the queries list is empty.
-*/
-void QHostInfoAgent::run()
-{
-#ifndef QT_NO_THREAD
-    // Dont' allow thread termination during event delivery, but allow it
-    // during the actual blocking host lookup stage.
-    setTerminationEnabled(false);
-    forever
-#endif
-    {
-        QHostInfoQuery *query;
-        {
-#ifndef QT_NO_THREAD
-            // the queries list is shared between threads. lock all
-            // access to it.
-            QMutexLocker locker(&mutex);
-            if (!quit && queries.isEmpty())
-                cond.wait(&mutex);
-            if (quit) {
-                // Reset the quit variable in case QCoreApplication is
-                // destroyed and recreated.
-                quit = false;
-                break;
-            }
-	    if (queries.isEmpty())
-		continue;
-#else
-	    if (queries.isEmpty())
-		return;
-#endif
-            query = queries.takeFirst();
-            pendingQueryId = query->object->lookupId;
-        }
-
-#if defined(QHOSTINFO_DEBUG)
-        qDebug("QHostInfoAgent::run(%p): looking up \"%s\"", this,
-               query->hostName.toLatin1().constData());
-#endif
-
-#ifndef QT_NO_THREAD
-        // Start query - allow termination at this point, but not outside. We
-        // don't want to all termination during event delivery, but we don't
-        // want the lookup to prevent the app from quitting (the agent
-        // destructor terminates the thread).
-        setTerminationEnabled(true);
-#endif
-        QHostInfo info = fromName(query->hostName);
-#ifndef QT_NO_THREAD
-        setTerminationEnabled(false);
-#endif
-
-        int id = query->object->lookupId;
-        info.setLookupId(id);
-        if (pendingQueryId == id)
-            query->object->emitResultsReady(info);
-        delete query;
-    }
-}
-
-/*!
     \enum QHostInfo::HostInfoError
 
     This enum describes the various errors that can occur when trying
@@ -467,4 +402,174 @@ void QHostInfo::setErrorString(const QString &str)
     \sa hostName()
 */
 
+#ifndef QT_NO_THREAD
+QHostInfoRunnable::QHostInfoRunnable(QString hn, int i) : toBeLookedUp(hn), id(i)
+{
+    setAutoDelete(true);
+}
+
+// the QHostInfoLookupManager will at some point call this via a QThreadPool
+void QHostInfoRunnable::run()
+{
+    QHostInfoLookupManager *manager = theHostInfoLookupManager();
+    // check aborted
+    if (manager->wasAborted(id)) {
+        manager->lookupFinished(this);
+        return;
+    }
+
+    // check cache
+    // FIXME
+
+    // if not in cache: OS lookup
+    QHostInfo hostInfo = QHostInfoAgent::fromName(toBeLookedUp);
+
+    // save to cache
+    // FIXME
+
+    // check aborted again
+    if (manager->wasAborted(id)) {
+        manager->lookupFinished(this);
+        return;
+    }
+
+    // signal emission
+    hostInfo.setLookupId(id);
+    resultEmitter.emitResultsReady(hostInfo);
+
+    manager->lookupFinished(this);
+
+    // thread goes back to QThreadPool
+}
+
+QHostInfoLookupManager::QHostInfoLookupManager() : mutex(QMutex::Recursive), wasDeleted(false)
+{
+    moveToThread(QCoreApplicationPrivate::mainThread());
+    threadPool.setMaxThreadCount(5); // do 5 DNS lookups in parallel
+}
+
+QHostInfoLookupManager::~QHostInfoLookupManager()
+{
+    wasDeleted = true;
+}
+
+void QHostInfoLookupManager::work()
+{
+    if (wasDeleted)
+        return;
+
+    // goals of this function:
+    //  - launch new lookups via the thread pool
+    //  - make sure only one lookup per host/IP is in progress
+
+    QMutexLocker locker(&mutex);
+
+    if (!finishedLookups.isEmpty()) {
+        // remove ID from aborted if it is in there
+        for (int i = 0; i < finishedLookups.length(); i++) {
+           abortedLookups.removeAll(finishedLookups.at(i)->id);
+        }
+
+        finishedLookups.clear();
+    }
+
+    if (!postponedLookups.isEmpty()) {
+        // try to start the postponed ones
+
+        QMutableListIterator<QHostInfoRunnable*> iterator(postponedLookups);
+        while (iterator.hasNext()) {
+            QHostInfoRunnable* postponed = iterator.next();
+
+            // check if none of the postponed hostnames is currently running
+            bool alreadyRunning = false;
+            for (int i = 0; i < currentLookups.length(); i++) {
+                if (currentLookups.at(i)->toBeLookedUp == postponed->toBeLookedUp) {
+                    alreadyRunning = true;
+                    break;
+                }
+            }
+            if (!alreadyRunning) {
+                iterator.remove();
+                scheduledLookups.prepend(postponed); // prepend! we want to finish it ASAP
+            }
+        }
+    }
+
+    if (!scheduledLookups.isEmpty()) {
+        // try to start the new ones
+        QMutableListIterator<QHostInfoRunnable*> iterator(scheduledLookups);
+        while (iterator.hasNext()) {
+            QHostInfoRunnable *scheduled = iterator.next();
+
+            // check if a lookup for this host is already running, then postpone
+            for (int i = 0; i < currentLookups.size(); i++) {
+                if (currentLookups.at(i)->toBeLookedUp == scheduled->toBeLookedUp) {
+                    iterator.remove();
+                    postponedLookups.append(scheduled);
+                    scheduled = 0;
+                    break;
+                }
+            }
+
+            if (scheduled && threadPool.tryStart(scheduled)) {
+                // runnable now running in new thread, track this in currentLookups
+                iterator.remove();
+                currentLookups.append(scheduled);
+            } else if (scheduled) {
+                // wanted to start, but could not because thread pool is busy
+                break;
+            } else {
+                // was postponed, continue iterating
+                continue;
+            }
+        };
+    }
+}
+
+// called by QHostInfo
+void QHostInfoLookupManager::scheduleLookup(QHostInfoRunnable *r)
+{
+    if (wasDeleted)
+        return;
+
+    QMutexLocker locker(&this->mutex);
+    scheduledLookups.enqueue(r);
+    work();
+}
+
+// called by QHostInfo
+void QHostInfoLookupManager::abortLookup(int id)
+{
+    if (wasDeleted)
+        return;
+
+    QMutexLocker locker(&this->mutex);
+    if (!abortedLookups.contains(id))
+        abortedLookups.append(id);
+}
+
+// called from QHostInfoRunnable
+bool QHostInfoLookupManager::wasAborted(int id)
+{
+    if (wasDeleted)
+        return true;
+
+    QMutexLocker locker(&this->mutex);
+    return abortedLookups.contains(id);
+}
+
+// called from QHostInfoRunnable
+void QHostInfoLookupManager::lookupFinished(QHostInfoRunnable *r)
+{
+    if (wasDeleted)
+        return;
+
+    QMutexLocker locker(&this->mutex);
+    currentLookups.removeOne(r);
+    finishedLookups.append(r);
+    work();
+}
+
+#endif // QT_NO_THREAD
+
 QT_END_NAMESPACE
diff --git a/src/network/kernel/qhostinfo_p.h b/src/network/kernel/qhostinfo_p.h
index afd3570..643bb73 100644
--- a/src/network/kernel/qhostinfo_p.h
+++ b/src/network/kernel/qhostinfo_p.h
@@ -61,17 +61,17 @@
 #include "QtCore/qobject.h"
 #include "QtCore/qpointer.h"
 
-#if !defined QT_NO_THREAD
+#ifndef QT_NO_THREAD
 #include "QtCore/qthread.h"
-#    define QHostInfoAgentBase QThread
-#else
-#    define QHostInfoAgentBase QObject
+#include "QtCore/qthreadpool.h"
+#include "QtCore/qmutex.h"
+#include "QtCore/qrunnable.h"
+#include "QtCore/qlist.h"
+#include "QtCore/qqueue.h"
 #endif
 
 QT_BEGIN_NAMESPACE
 
-static const int QHOSTINFO_THREAD_WAIT = 250; // ms
-
 class QHostInfoResult : public QObject
 {
     Q_OBJECT
@@ -79,102 +79,18 @@ public Q_SLOTS:
     inline void emitResultsReady(const QHostInfo &info)
     {
         emit resultsReady(info);
-        if (autoDelete)
-            delete this;
     }
 
 Q_SIGNALS:
-    void resultsReady(const QHostInfo &info);
-
-public:
-    int lookupId;
-    bool autoDelete;
+    void resultsReady(const QHostInfo info);
 };
 
-struct QHostInfoQuery
-{
-    inline QHostInfoQuery() : object(0) {}
-    inline ~QHostInfoQuery() { delete object; }
-    inline QHostInfoQuery(const QString &name, QHostInfoResult *result)
-        : hostName(name), object(result) {}
-
-    QString hostName;
-    QHostInfoResult *object;
-};
-
-class QHostInfoAgent : public QHostInfoAgentBase
+// needs to be QObject because fromName calls tr()
+class QHostInfoAgent : public QObject
 {
     Q_OBJECT
 public:
-    inline QHostInfoAgent()
-    {
-        // There is a chance that there will be two instances of
-        // QHostInfoAgent if two threads try to get Q_GLOBAL_STATIC
-        // object at the same time. The second object will be deleted
-        // immediately before anyone uses it, but we need to be
-        // careful about what we do in the constructor.
-        static QBasicAtomicInt done = Q_BASIC_ATOMIC_INITIALIZER(0);
-        if (done.testAndSetRelaxed(0, 1))
-            qAddPostRoutine(staticCleanup);
-        moveToThread(QCoreApplicationPrivate::mainThread());
-        quit = false;
-        pendingQueryId = -1;
-    }
-    inline ~QHostInfoAgent()
-    { cleanup(); }
-
-    void run();
     static QHostInfo fromName(const QString &hostName);
-
-    inline void addHostName(const QString &name, QHostInfoResult *result)
-    {
-        QMutexLocker locker(&mutex);
-        queries << new QHostInfoQuery(name, result);
-        cond.wakeOne();
-    }
-
-    inline void abortLookup(int id)
-    {
-        QMutexLocker locker(&mutex);
-        for (int i = 0; i < queries.size(); ++i) {
-            QHostInfoResult *result = queries.at(i)->object;
-            if (result->lookupId == id) {
-                result->disconnect();
-                delete queries.takeAt(i);
-                return;
-            }
-        }
-        if (pendingQueryId == id)
-            pendingQueryId = -1;
-    }
-
-    static void staticCleanup();
-
-public Q_SLOTS:
-    inline void cleanup()
-    {
-        {
-            QMutexLocker locker(&mutex);
-            qDeleteAll(queries);
-            queries.clear();
-            quit = true;
-            cond.wakeOne();
-        }
-#ifndef QT_NO_THREAD
-        if (!wait(QHOSTINFO_THREAD_WAIT)) {
-            terminate();
-            // Don't wait forever; see QTBUG-5296.
-            wait(QHOSTINFO_THREAD_WAIT);
-        }
-#endif
-    }
-
-private:
-    QList<QHostInfoQuery *> queries;
-    QMutex mutex;
-    QWaitCondition cond;
-    volatile bool quit;
-    int pendingQueryId;
 };
 
 class QHostInfoPrivate
@@ -194,6 +110,52 @@ public:
     int lookupId;
 };
 
+#ifndef QT_NO_THREAD
+// the following classes are used for the (normal) case: We use multiple threads to lookup DNS
+
+class QHostInfoRunnable : public QRunnable
+{
+public:
+    QHostInfoRunnable (QString hn, int i);
+    void run();
+
+    QString toBeLookedUp;
+    int id;
+    QHostInfoResult resultEmitter;
+};
+
+class QHostInfoLookupManager : public QObject
+{
+    Q_OBJECT
+public:
+    QHostInfoLookupManager();
+    ~QHostInfoLookupManager();
+
+    void work();
+
+    // called from QHostInfo
+    void scheduleLookup(QHostInfoRunnable *r);
+    void abortLookup(int id);
+
+    // called from QHostInfoRunnable
+    void lookupFinished(QHostInfoRunnable *r);
+    bool wasAborted(int id);
+
+protected:
+    QList<QHostInfoRunnable*> currentLookups; // in progress
+    QList<QHostInfoRunnable*> postponedLookups; // postponed because in progress for same host
+    QQueue<QHostInfoRunnable*> scheduledLookups; // not yet started
+    QList<QHostInfoRunnable*> finishedLookups; // recently finished
+    QList<int> abortedLookups; // ids of aborted lookups
+
+    QThreadPool threadPool;
+
+    QMutex mutex;
+
+    bool wasDeleted;
+};
+#endif
+
 QT_END_NAMESPACE
 
 #endif // QHOSTINFO_P_H
diff --git a/src/network/kernel/qhostinfo_win.cpp b/src/network/kernel/qhostinfo_win.cpp
index 720aaa5..727a8b0 100644
--- a/src/network/kernel/qhostinfo_win.cpp
+++ b/src/network/kernel/qhostinfo_win.cpp
@@ -105,11 +105,7 @@ static void resolveLibrary()
 #include <qmutex.h>
 QMutex qPrivCEMutex;
 #endif
-/*
-    Performs a blocking call to gethostbyname or getaddrinfo, stores
-    the results in a QHostInfo structure and emits the
-    resultsReady() signal.
-*/
+
 QHostInfo QHostInfoAgent::fromName(const QString &hostName)
 {
 #if defined(Q_OS_WINCE)
diff --git a/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h b/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h
index e319389..e0033be 100644
--- a/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h
+++ b/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h
@@ -68,7 +68,7 @@ class Q_OPENGL_EXPORT QGLCustomShaderStage
 public:
     QGLCustomShaderStage();
     virtual ~QGLCustomShaderStage();
-    virtual void setUniforms(QGLShaderProgram*) = 0;
+    virtual void setUniforms(QGLShaderProgram*) {}
 
     void setUniformsDirty();
 
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
index 8a8f483..9d545b9 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
@@ -170,13 +170,15 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context)
     source.append(qShaderSnippets[MainVertexShader]);
     source.append(qShaderSnippets[PositionOnlyVertexShader]);
     vertexShader = new QGLShader(QGLShader::Vertex, context, this);
-    vertexShader->compileSourceCode(source);
+    if (!vertexShader->compileSourceCode(source))
+        qWarning("Vertex shader for simpleShaderProg (MainVertexShader & PositionOnlyVertexShader) failed to compile");
 
     source.clear();
     source.append(qShaderSnippets[MainFragmentShader]);
     source.append(qShaderSnippets[ShockingPinkSrcFragmentShader]);
     fragShader = new QGLShader(QGLShader::Fragment, context, this);
-    fragShader->compileSourceCode(source);
+    if (!fragShader->compileSourceCode(source))
+        qWarning("Fragment shader for simpleShaderProg (MainFragmentShader & ShockingPinkSrcFragmentShader) failed to compile");
 
     simpleShaderProg = new QGLShaderProgram(context, this);
     simpleShaderProg->addShader(vertexShader);
@@ -193,13 +195,15 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context)
     source.append(qShaderSnippets[MainWithTexCoordsVertexShader]);
     source.append(qShaderSnippets[UntransformedPositionVertexShader]);
     vertexShader = new QGLShader(QGLShader::Vertex, context, this);
-    vertexShader->compileSourceCode(source);
+    if (!vertexShader->compileSourceCode(source))
+        qWarning("Vertex shader for blitShaderProg (MainWithTexCoordsVertexShader & UntransformedPositionVertexShader) failed to compile");
 
     source.clear();
     source.append(qShaderSnippets[MainFragmentShader]);
     source.append(qShaderSnippets[ImageSrcFragmentShader]);
     fragShader = new QGLShader(QGLShader::Fragment, context, this);
-    fragShader->compileSourceCode(source);
+    if (!fragShader->compileSourceCode(source))
+        qWarning("Fragment shader for blitShaderProg (MainFragmentShader & ImageSrcFragmentShader) failed to compile");
 
     blitShaderProg = new QGLShaderProgram(context, this);
     blitShaderProg->addShader(vertexShader);
@@ -234,84 +238,95 @@ QGLEngineShaderProg *QGLEngineSharedShaders::findProgramInCache(const QGLEngineS
         }
     }
 
-    QByteArray source;
-    source.append(qShaderSnippets[prog.mainFragShader]);
-    source.append(qShaderSnippets[prog.srcPixelFragShader]);
-    if (prog.srcPixelFragShader == CustomImageSrcFragmentShader)
-        source.append(prog.customStageSource);
-    if (prog.compositionFragShader)
-        source.append(qShaderSnippets[prog.compositionFragShader]);
-    if (prog.maskFragShader)
-        source.append(qShaderSnippets[prog.maskFragShader]);
-    QGLShader* fragShader = new QGLShader(QGLShader::Fragment, ctxGuard.context(), this);
-    fragShader->compileSourceCode(source);
-
-    source.clear();
-    source.append(qShaderSnippets[prog.mainVertexShader]);
-    source.append(qShaderSnippets[prog.positionVertexShader]);
-    QGLShader* vertexShader = new QGLShader(QGLShader::Vertex, ctxGuard.context(), this);
-    vertexShader->compileSourceCode(source);
+    QGLShader *vertexShader = 0;
+    QGLShader *fragShader = 0;
+    QGLEngineShaderProg *newProg = 0;
+    bool success = false;
+
+    do {
+        QByteArray source;
+        source.append(qShaderSnippets[prog.mainFragShader]);
+        source.append(qShaderSnippets[prog.srcPixelFragShader]);
+        if (prog.srcPixelFragShader == CustomImageSrcFragmentShader)
+            source.append(prog.customStageSource);
+        if (prog.compositionFragShader)
+            source.append(qShaderSnippets[prog.compositionFragShader]);
+        if (prog.maskFragShader)
+            source.append(qShaderSnippets[prog.maskFragShader]);
+        fragShader = new QGLShader(QGLShader::Fragment, ctxGuard.context(), this);
+        QByteArray description;
+#if defined(QT_DEBUG)
+        // Name the shader for easier debugging
+        description.append("Fragment shader: main=");
+        description.append(snippetNameStr(prog.mainFragShader));
+        description.append(", srcPixel=");
+        description.append(snippetNameStr(prog.srcPixelFragShader));
+        if (prog.compositionFragShader) {
+            description.append(", composition=");
+            description.append(snippetNameStr(prog.compositionFragShader));
+        }
+        if (prog.maskFragShader) {
+            description.append(", mask=");
+            description.append(snippetNameStr(prog.maskFragShader));
+        }
+        fragShader->setObjectName(QString::fromLatin1(description));
+#endif
+        if (!fragShader->compileSourceCode(source)) {
+            qWarning() << "Warning:" << description << "failed to compile!";
+            break;
+        }
 
+        source.clear();
+        source.append(qShaderSnippets[prog.mainVertexShader]);
+        source.append(qShaderSnippets[prog.positionVertexShader]);
+        vertexShader = new QGLShader(QGLShader::Vertex, ctxGuard.context(), this);
 #if defined(QT_DEBUG)
-    // Name the shaders for easier debugging
-    QByteArray description;
-    description.append("Fragment shader: main=");
-    description.append(snippetNameStr(prog.mainFragShader));
-    description.append(", srcPixel=");
-    description.append(snippetNameStr(prog.srcPixelFragShader));
-    if (prog.compositionFragShader) {
-        description.append(", composition=");
-        description.append(snippetNameStr(prog.compositionFragShader));
-    }
-    if (prog.maskFragShader) {
-        description.append(", mask=");
-        description.append(snippetNameStr(prog.maskFragShader));
-    }
-    fragShader->setObjectName(QString::fromLatin1(description));
-
-    description.clear();
-    description.append("Vertex shader: main=");
-    description.append(snippetNameStr(prog.mainVertexShader));
-    description.append(", position=");
-    description.append(snippetNameStr(prog.positionVertexShader));
-    vertexShader->setObjectName(QString::fromLatin1(description));
+        // Name the shader for easier debugging
+        description.clear();
+        description.append("Vertex shader: main=");
+        description.append(snippetNameStr(prog.mainVertexShader));
+        description.append(", position=");
+        description.append(snippetNameStr(prog.positionVertexShader));
+        vertexShader->setObjectName(QString::fromLatin1(description));
 #endif
+        if (!vertexShader->compileSourceCode(source)) {
+            qWarning() << "Warning:" << description << "failed to compile!";
+            break;
+        }
 
-    QGLEngineShaderProg* newProg = new QGLEngineShaderProg(prog);
-
-    // If the shader program's not found in the cache, create it now.
-    newProg->program = new QGLShaderProgram(ctxGuard.context(), this);
-    newProg->program->addShader(vertexShader);
-    newProg->program->addShader(fragShader);
-
-    // We have to bind the vertex attribute names before the program is linked:
-    newProg->program->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR);
-    if (newProg->useTextureCoords)
-        newProg->program->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR);
-    if (newProg->useOpacityAttribute)
-        newProg->program->bindAttributeLocation("opacityArray", QT_OPACITY_ATTR);
-
-    newProg->program->link();
-    if (!newProg->program->isLinked()) {
-        QLatin1String none("none");
-        QLatin1String br("\n");
-        QString error;
-        error = QLatin1String("Shader program failed to link,")
+        newProg = new QGLEngineShaderProg(prog);
+
+        // If the shader program's not found in the cache, create it now.
+        newProg->program = new QGLShaderProgram(ctxGuard.context(), this);
+        newProg->program->addShader(vertexShader);
+        newProg->program->addShader(fragShader);
+
+        // We have to bind the vertex attribute names before the program is linked:
+        newProg->program->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR);
+        if (newProg->useTextureCoords)
+            newProg->program->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR);
+        if (newProg->useOpacityAttribute)
+            newProg->program->bindAttributeLocation("opacityArray", QT_OPACITY_ATTR);
+
+        newProg->program->link();
+        if (!newProg->program->isLinked()) {
+            QLatin1String none("none");
+            QLatin1String br("\n");
+            QString error;
+            error = QLatin1String("Shader program failed to link,")
 #if defined(QT_DEBUG)
-            + br
-            + QLatin1String("  Shaders Used:") + br
-            + QLatin1String("    ") + vertexShader->objectName() + QLatin1String(": ") + br
-            + QLatin1String(vertexShader->sourceCode()) + br
-            + QLatin1String("    ") + fragShader->objectName() + QLatin1String(": ") + br
-            + QLatin1String(fragShader->sourceCode()) + br
+                + br
+                + QLatin1String("  Shaders Used:") + br
+                + QLatin1String("    ") + vertexShader->objectName() + QLatin1String(": ") + br
+                + QLatin1String(vertexShader->sourceCode()) + br
+                + QLatin1String("    ") + fragShader->objectName() + QLatin1String(": ") + br
+                + QLatin1String(fragShader->sourceCode()) + br
 #endif
-            + QLatin1String("  Error Log:\n")
-            + QLatin1String("    ") + newProg->program->log();
-        qWarning() << error;
-        delete newProg; // Deletes the QGLShaderProgram in it's destructor
-        newProg = 0;
-    }
-    else {
+                + QLatin1String("  Error Log:\n")
+                + QLatin1String("    ") + newProg->program->log();
+            qWarning() << error;
+            break;
+        }
         if (cachedPrograms.count() > 30) {
             // The cache is full, so delete the last 5 programs in the list.
             // These programs will be least used, as a program us bumped to
@@ -323,6 +338,22 @@ QGLEngineShaderProg *QGLEngineSharedShaders::findProgramInCache(const QGLEngineS
         }
 
         cachedPrograms.insert(0, newProg);
+
+        success = true;
+    } while (false);
+
+    // Clean up everything if we weren't successful
+    if (!success) {
+        if (newProg) {
+            delete newProg; // Also deletes the QGLShaderProgram which in turn deletes the QGLShaders
+            newProg = 0;
+        }
+        else {
+            if (vertexShader)
+                delete vertexShader;
+            if (fragShader)
+                delete fragShader;
+        }
     }
 
     return newProg;
@@ -364,6 +395,9 @@ QGLEngineShaderManager::~QGLEngineShaderManager()
 
 uint QGLEngineShaderManager::getUniformLocation(Uniform id)
 {
+    if (!currentShaderProg)
+        return 0;
+
     QVector<uint> &uniformLocations = currentShaderProg->uniformLocations;
     if (uniformLocations.isEmpty())
         uniformLocations.fill(GLuint(-1), NumUniforms);
@@ -406,6 +440,7 @@ void QGLEngineShaderManager::setDirty()
 
 void QGLEngineShaderManager::setSrcPixelType(Qt::BrushStyle style)
 {
+    Q_ASSERT(style != Qt::NoBrush);
     if (srcPixelType == PixelSrcType(style))
         return;
 
@@ -467,7 +502,10 @@ void QGLEngineShaderManager::removeCustomStage()
 
 QGLShaderProgram* QGLEngineShaderManager::currentProgram()
 {
-    return currentShaderProg->program;
+    if (currentShaderProg)
+        return currentShaderProg->program;
+    else
+        return simpleProgram();
 }
 
 QGLShaderProgram* QGLEngineShaderManager::simpleProgram()
diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
index 2407979..46de124 100644
--- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
@@ -99,12 +99,15 @@ static const char* const qglslMainWithTexCoordsAndOpacityVertexShader = "\
             opacity = opacityArray; \
     }";
 
+// NOTE: We let GL do the perspective correction so texture lookups in the fragment
+//       shader are also perspective corrected.
 static const char* const qglslPositionOnlyVertexShader = "\
-    attribute highp vec4    vertexCoordsArray;\
-    uniform   highp mat4    pmvMatrix;\
+    attribute highp vec2    vertexCoordsArray;\
+    uniform   highp mat3    pmvMatrix;\
     void setPosition(void)\
     {\
-            gl_Position = pmvMatrix * vertexCoordsArray;\
+        vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \
+        gl_Position = vec4(transformedPos.xy, 0.0, transformedPos.z); \
     }";
 
 static const char* const qglslUntransformedPositionVertexShader = "\
@@ -116,20 +119,19 @@ static const char* const qglslUntransformedPositionVertexShader = "\
 
 // Pattern Brush - This assumes the texture size is 8x8 and thus, the inverted size is 0.125
 static const char* const qglslPositionWithPatternBrushVertexShader = "\
-    attribute highp   vec4  vertexCoordsArray; \
-    uniform   highp   mat4  pmvMatrix; \
+    attribute highp   vec2  vertexCoordsArray; \
+    uniform   highp   mat3  pmvMatrix; \
     uniform   mediump vec2  halfViewportSize; \
     uniform   highp   vec2  invertedTextureSize; \
     uniform   highp   mat3  brushTransform; \
     varying   highp   vec2  patternTexCoords; \
     void setPosition(void) { \
-            gl_Position = pmvMatrix * vertexCoordsArray;\
-            gl_Position.xy = gl_Position.xy / gl_Position.w; \
+            vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \
+            gl_Position.xy = transformedPos.xy / transformedPos.z; \
             mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
-            mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
+            mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1.0); \
             mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
-            gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \
-            gl_Position.w = invertedHTexCoordsZ; \
+            gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \
             patternTexCoords.xy = (hTexCoords.xy * 0.125) * invertedHTexCoordsZ; \
     }";
 
@@ -147,20 +149,19 @@ static const char* const qglslPatternBrushSrcFragmentShader = "\
 
 // Linear Gradient Brush
 static const char* const qglslPositionWithLinearGradientBrushVertexShader = "\
-    attribute highp   vec4  vertexCoordsArray; \
-    uniform   highp   mat4  pmvMatrix; \
+    attribute highp   vec2  vertexCoordsArray; \
+    uniform   highp   mat3  pmvMatrix; \
     uniform   mediump vec2  halfViewportSize; \
     uniform   highp   vec3  linearData; \
     uniform   highp   mat3  brushTransform; \
     varying   mediump float index; \
     void setPosition() { \
-        gl_Position = pmvMatrix * vertexCoordsArray;\
-        gl_Position.xy = gl_Position.xy / gl_Position.w; \
+        vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \
+        gl_Position.xy = transformedPos.xy / transformedPos.z; \
         mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
         mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
         mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
-        gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \
-        gl_Position.w = invertedHTexCoordsZ; \
+        gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \
         index = (dot(linearData.xy, hTexCoords.xy) * linearData.z) * invertedHTexCoordsZ; \
     }";
 
@@ -178,20 +179,19 @@ static const char* const qglslLinearGradientBrushSrcFragmentShader = "\
 
 // Conical Gradient Brush
 static const char* const qglslPositionWithConicalGradientBrushVertexShader = "\
-    attribute highp   vec4  vertexCoordsArray;\
-    uniform   highp   mat4  pmvMatrix;\
+    attribute highp   vec2  vertexCoordsArray;\
+    uniform   highp   mat3  pmvMatrix;\
     uniform   mediump vec2  halfViewportSize; \
     uniform   highp   mat3  brushTransform; \
     varying   highp   vec2  A; \
     void setPosition(void)\
     {\
-        gl_Position = pmvMatrix * vertexCoordsArray;\
-        gl_Position.xy = gl_Position.xy / gl_Position.w; \
+        vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \
+        gl_Position.xy = transformedPos.xy / transformedPos.z; \
         mediump vec2  viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
         mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
         mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
-        gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \
-        gl_Position.w = invertedHTexCoordsZ; \
+        gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \
         A = hTexCoords.xy * invertedHTexCoordsZ; \
     }";
 
@@ -215,8 +215,8 @@ static const char* const qglslConicalGradientBrushSrcFragmentShader = "\n\
 
 // Radial Gradient Brush
 static const char* const qglslPositionWithRadialGradientBrushVertexShader = "\
-    attribute highp   vec4 vertexCoordsArray;\
-    uniform   highp   mat4 pmvMatrix;\
+    attribute highp   vec2 vertexCoordsArray;\
+    uniform   highp   mat3 pmvMatrix;\
     uniform   mediump vec2 halfViewportSize; \
     uniform   highp   mat3 brushTransform; \
     uniform   highp   vec2 fmp; \
@@ -224,13 +224,12 @@ static const char* const qglslPositionWithRadialGradientBrushVertexShader = "\
     varying   highp   vec2  A; \
     void setPosition(void) \
     {\
-        gl_Position = pmvMatrix * vertexCoordsArray;\
-        gl_Position.xy = gl_Position.xy / gl_Position.w; \
+        vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \
+        gl_Position.xy = transformedPos.xy / transformedPos.z; \
         mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
         mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
         mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
-        gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \
-        gl_Position.w = invertedHTexCoordsZ; \
+        gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \
         A = hTexCoords.xy * invertedHTexCoordsZ; \
         b = 2.0 * dot(A, fmp); \
     }";
@@ -253,20 +252,19 @@ static const char* const qglslRadialGradientBrushSrcFragmentShader = "\
 
 // Texture Brush
 static const char* const qglslPositionWithTextureBrushVertexShader = "\
-    attribute highp   vec4  vertexCoordsArray; \
-    uniform   highp   mat4  pmvMatrix; \
+    attribute highp   vec2 vertexCoordsArray; \
+    uniform   highp   mat3  pmvMatrix; \
     uniform   mediump vec2  halfViewportSize; \
     uniform   highp   vec2  invertedTextureSize; \
     uniform   highp   mat3  brushTransform; \
     varying   highp   vec2  textureCoords; \
     void setPosition(void) { \
-            gl_Position = pmvMatrix * vertexCoordsArray;\
-            gl_Position.xy = gl_Position.xy / gl_Position.w; \
+            vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \
+            gl_Position.xy = transformedPos.xy / transformedPos.z; \
             mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
             mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
             mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
-            gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \
-            gl_Position.w = invertedHTexCoordsZ; \
+            gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \
             textureCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \
     }";
 
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index f9c41b1..abe52fe 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -387,19 +387,25 @@ inline QColor qt_premultiplyColor(QColor c, GLfloat opacity)
 }
 
 
-void QGL2PaintEngineExPrivate::setBrush(const QBrush* brush)
+void QGL2PaintEngineExPrivate::setBrush(const QBrush& brush)
 {
+    Q_ASSERT(brush.style() != Qt::NoBrush);
+
+    if (qbrush_fast_equals(currentBrush, brush))
+        return;
+
     currentBrush = brush;
+
     brushTextureDirty = true;
     brushUniformsDirty = true;
-    if (currentBrush->style() == Qt::TexturePattern
-        && qHasPixmapTexture(*brush) && brush->texture().isQBitmap())
+    if (currentBrush.style() == Qt::TexturePattern
+        && qHasPixmapTexture(brush) && brush.texture().isQBitmap())
     {
         shaderManager->setSrcPixelType(QGLEngineShaderManager::TextureSrcWithPattern);
     } else {
-        shaderManager->setSrcPixelType(currentBrush->style());
+        shaderManager->setSrcPixelType(currentBrush.style());
     }
-    shaderManager->optimiseForBrushTransform(currentBrush->transform());
+    shaderManager->optimiseForBrushTransform(currentBrush.transform());
 }
 
 
@@ -421,7 +427,7 @@ void QGL2PaintEngineExPrivate::updateBrushTexture()
 {
     Q_Q(QGL2PaintEngineEx);
 //     qDebug("QGL2PaintEngineExPrivate::updateBrushTexture()");
-    Qt::BrushStyle style = currentBrush->style();
+    Qt::BrushStyle style = currentBrush.style();
 
     if ( (style >= Qt::Dense1Pattern) && (style <= Qt::DiagCrossPattern) ) {
         // Get the image data for the pattern
@@ -434,7 +440,7 @@ void QGL2PaintEngineExPrivate::updateBrushTexture()
     else if (style >= Qt::LinearGradientPattern && style <= Qt::ConicalGradientPattern) {
         // Gradiant brush: All the gradiants use the same texture
 
-        const QGradient* g = currentBrush->gradient();
+        const QGradient* g = currentBrush.gradient();
 
         // We apply global opacity in the fragment shaders, so we always pass 1.0
         // for opacity to the cache.
@@ -451,7 +457,7 @@ void QGL2PaintEngineExPrivate::updateBrushTexture()
             updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE, q->state()->renderHints & QPainter::SmoothPixmapTransform);
     }
     else if (style == Qt::TexturePattern) {
-        const QPixmap& texPixmap = currentBrush->texture();
+        const QPixmap& texPixmap = currentBrush.texture();
 
         glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT);
         QGLTexture *tex = ctx->d_func()->bindTexture(texPixmap, GL_TEXTURE_2D, GL_RGBA, QGLContext::InternalBindOption);
@@ -465,15 +471,15 @@ void QGL2PaintEngineExPrivate::updateBrushTexture()
 void QGL2PaintEngineExPrivate::updateBrushUniforms()
 {
 //     qDebug("QGL2PaintEngineExPrivate::updateBrushUniforms()");
-    Qt::BrushStyle style = currentBrush->style();
+    Qt::BrushStyle style = currentBrush.style();
 
     if (style == Qt::NoBrush)
         return;
 
-    QTransform brushQTransform = currentBrush->transform();
+    QTransform brushQTransform = currentBrush.transform();
 
     if (style == Qt::SolidPattern) {
-        QColor col = qt_premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity);
+        QColor col = qt_premultiplyColor(currentBrush.color(), (GLfloat)q->state()->opacity);
         shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::FragmentColor), col);
     }
     else {
@@ -481,7 +487,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
         QPointF translationPoint;
 
         if (style <= Qt::DiagCrossPattern) {
-            QColor col = qt_premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity);
+            QColor col = qt_premultiplyColor(currentBrush.color(), (GLfloat)q->state()->opacity);
 
             shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col);
 
@@ -489,7 +495,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
             shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
         }
         else if (style == Qt::LinearGradientPattern) {
-            const QLinearGradient *g = static_cast<const QLinearGradient *>(currentBrush->gradient());
+            const QLinearGradient *g = static_cast<const QLinearGradient *>(currentBrush.gradient());
 
             QPointF realStart = g->start();
             QPointF realFinal = g->finalStop();
@@ -509,7 +515,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
             shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
         }
         else if (style == Qt::ConicalGradientPattern) {
-            const QConicalGradient *g = static_cast<const QConicalGradient *>(currentBrush->gradient());
+            const QConicalGradient *g = static_cast<const QConicalGradient *>(currentBrush.gradient());
             translationPoint   = g->center();
 
             GLfloat angle = -(g->angle() * 2 * Q_PI) / 360.0;
@@ -520,7 +526,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
             shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
         }
         else if (style == Qt::RadialGradientPattern) {
-            const QRadialGradient *g = static_cast<const QRadialGradient *>(currentBrush->gradient());
+            const QRadialGradient *g = static_cast<const QRadialGradient *>(currentBrush.gradient());
             QPointF realCenter = g->center();
             QPointF realFocal  = g->focalPoint();
             qreal   realRadius = g->radius();
@@ -538,10 +544,10 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
             shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
         }
         else if (style == Qt::TexturePattern) {
-            const QPixmap& texPixmap = currentBrush->texture();
+            const QPixmap& texPixmap = currentBrush.texture();
 
-            if (qHasPixmapTexture(*currentBrush) && currentBrush->texture().isQBitmap()) {
-                QColor col = qt_premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity);
+            if (qHasPixmapTexture(currentBrush) && currentBrush.texture().isQBitmap()) {
+                QColor col = qt_premultiplyColor(currentBrush.color(), (GLfloat)q->state()->opacity);
                 shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col);
             }
 
@@ -562,7 +568,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
         QTransform gl_to_qt(1, 0, 0, -1, 0, height);
         QTransform inv_matrix;
         if (style == Qt::TexturePattern && textureInvertedY == -1)
-            inv_matrix = gl_to_qt * (QTransform(1, 0, 0, -1, 0, currentBrush->texture().height()) * brushQTransform * matrix).inverted() * translate;
+            inv_matrix = gl_to_qt * (QTransform(1, 0, 0, -1, 0, currentBrush.texture().height()) * brushQTransform * matrix).inverted() * translate;
         else
             inv_matrix = gl_to_qt * (brushQTransform * matrix).inverted() * translate;
 
@@ -578,37 +584,37 @@ void QGL2PaintEngineExPrivate::updateMatrix()
 {
 //     qDebug("QGL2PaintEngineExPrivate::updateMatrix()");
 
-    // We set up the 4x4 transformation matrix on the vertex shaders to
-    // be the equivalent of glOrtho(0, w, h, 0, -1, 1) * transform:
+    const QTransform& transform = q->state()->matrix;
+
+    // The projection matrix converts from Qt's coordinate system to GL's coordinate system
+    //    * GL's viewport is 2x2, Qt's is width x height
+    //    * GL has +y -> -y going from bottom -> top, Qt is the other way round
+    //    * GL has [0,0] in the center, Qt has it in the top-left
     //
-    // | 2/width     0     0 -1 |   | m11  m21  0   dx |
-    // |   0    -2/height  0  1 |   | m12  m22  0   dy |
-    // |   0         0    -1  0 | * |  0    0   1   0  |
-    // |   0         0     0  1 |   | m13  m23  0  m33 |
+    // This results in the Projection matrix below, which is multiplied by the painter's
+    // transformation matrix, as shown below:
     //
-    // We expand out the multiplication to save the cost of a full 4x4
-    // matrix multiplication as most of the components are trivial.
-    const QTransform& transform = q->state()->matrix;
+    //                Projection Matrix                      Painter Transform
+    // ------------------------------------------------   ------------------------
+    // | 2.0 / width  |      0.0      |     -1.0      |   |  m11  |  m21  |  dx  |
+    // |     0.0      | -2.0 / height |      1.0      | * |  m12  |  m22  |  dy  |
+    // |     0.0      |      0.0      |      1.0      |   |  m13  |  m23  |  m33 |
+    // ------------------------------------------------   ------------------------
+    //
+    // NOTE: The resultant matrix is also transposed, as GL expects column-major matracies
+
+    const GLfloat wfactor = 2.0f / width;
+    const GLfloat hfactor = -2.0f / height;
 
-    qreal wfactor = 2.0 / width;
-    qreal hfactor = -2.0 / height;
-
-    pmvMatrix[0][0] = wfactor * transform.m11() - transform.m13();
-    pmvMatrix[0][1] = hfactor * transform.m12() + transform.m13();
-    pmvMatrix[0][2] = 0.0;
-    pmvMatrix[0][3] = transform.m13();
-    pmvMatrix[1][0] = wfactor * transform.m21() - transform.m23();
-    pmvMatrix[1][1] = hfactor * transform.m22() + transform.m23();
-    pmvMatrix[1][2] = 0.0;
-    pmvMatrix[1][3] = transform.m23();
-    pmvMatrix[2][0] = 0.0;
-    pmvMatrix[2][1] = 0.0;
-    pmvMatrix[2][2] = -1.0;
-    pmvMatrix[2][3] = 0.0;
-    pmvMatrix[3][0] = wfactor * transform.dx() - transform.m33();
-    pmvMatrix[3][1] = hfactor * transform.dy() + transform.m33();
-    pmvMatrix[3][2] = 0.0;
-    pmvMatrix[3][3] = transform.m33();
+    pmvMatrix[0][0] = (wfactor * transform.m11())  - transform.m13();
+    pmvMatrix[1][0] = (wfactor * transform.m21())  - transform.m23();
+    pmvMatrix[2][0] = (wfactor * transform.dx() )  - transform.m33();
+    pmvMatrix[0][1] = (hfactor * transform.m12())  + transform.m13();
+    pmvMatrix[1][1] = (hfactor * transform.m22())  + transform.m23();
+    pmvMatrix[2][1] = (hfactor * transform.dy() )  + transform.m33();
+    pmvMatrix[0][2] = transform.m13();
+    pmvMatrix[1][2] = transform.m23();
+    pmvMatrix[2][2] = transform.m33();
 
     // 1/10000 == 0.0001, so we have good enough res to cover curves
     // that span the entire widget...
@@ -876,7 +882,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
     // Check to see if there's any hints
     if (path.shape() == QVectorPath::RectangleHint) {
         QGLRect rect(points[0].x(), points[0].y(), points[2].x(), points[2].y());
-        prepareForDraw(currentBrush->isOpaque());
+        prepareForDraw(currentBrush.isOpaque());
         composite(rect);
     } else if (path.isConvex()) {
 
@@ -931,7 +937,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
 #endif
             }
 
-            prepareForDraw(currentBrush->isOpaque());
+            prepareForDraw(currentBrush.isOpaque());
             glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
 #ifdef QT_OPENGL_CACHE_AS_VBOS
             glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
@@ -948,7 +954,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
                 path.makeCacheable();
             vertexCoordinateArray.clear();
             vertexCoordinateArray.addPath(path, inverseScale, false);
-            prepareForDraw(currentBrush->isOpaque());
+            prepareForDraw(currentBrush.isOpaque());
             drawVertexArrays(vertexCoordinateArray, GL_TRIANGLE_FAN);
         }
 
@@ -1019,7 +1025,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
 #endif
             }
 
-            prepareForDraw(currentBrush->isOpaque());
+            prepareForDraw(currentBrush.isOpaque());
             glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
 #ifdef QT_OPENGL_CACHE_AS_VBOS
             glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
@@ -1059,7 +1065,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
                 glStencilFunc(GL_NOTEQUAL, 0, GL_STENCIL_HIGH_BIT);
             }
 
-            prepareForDraw(currentBrush->isOpaque());
+            prepareForDraw(currentBrush.isOpaque());
 
             if (inRenderText)
                 prepareDepthRangeForRenderText();
@@ -1257,10 +1263,10 @@ bool QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
                                       : QGLEngineShaderManager::NoOpacity;
         if (stateHasOpacity && (mode != ImageDrawingMode)) {
             // Using a brush
-            bool brushIsPattern = (currentBrush->style() >= Qt::Dense1Pattern) &&
-                                  (currentBrush->style() <= Qt::DiagCrossPattern);
+            bool brushIsPattern = (currentBrush.style() >= Qt::Dense1Pattern) &&
+                                  (currentBrush.style() <= Qt::DiagCrossPattern);
 
-            if ((currentBrush->style() == Qt::SolidPattern) || brushIsPattern)
+            if ((currentBrush.style() == Qt::SolidPattern) || brushIsPattern)
                 opacityMode = QGLEngineShaderManager::NoOpacity; // Global opacity handled by srcPixel shader
         }
     }
@@ -1388,7 +1394,7 @@ void QGL2PaintEngineEx::fill(const QVectorPath &path, const QBrush &brush)
         d->matrixDirty = true;
     }
 
-    d->setBrush(&brush);
+    d->setBrush(brush);
     d->fill(path);
 
     if (doOffset) {
@@ -1427,7 +1433,7 @@ void QGL2PaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
     }
 
     bool opaque = penBrush.isOpaque() && s->opacity > 0.99;
-    d->setBrush(&penBrush);
+    d->setBrush(penBrush);
     d->transferMode(BrushDrawingMode);
 
     // updateMatrix() is responsible for setting the inverse scale on
@@ -1706,7 +1712,7 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly
         glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data());
 
     QBrush pensBrush = q->state()->pen.brush();
-    setBrush(&pensBrush);
+    setBrush(pensBrush);
 
     if (inRenderText)
         prepareDepthRangeForRenderText();
@@ -1751,7 +1757,7 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly
                 q->state()->opacity = 1;
                 opacityUniformDirty = true;
                 pensBrush = Qt::white;
-                setBrush(&pensBrush);
+                setBrush(pensBrush);
             }
 
             compositionModeDirty = false; // I can handle this myself, thank you very much
@@ -1772,7 +1778,7 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly
                 q->state()->opacity = oldOpacity;
                 opacityUniformDirty = true;
                 pensBrush = q->state()->pen.brush();
-                setBrush(&pensBrush);
+                setBrush(pensBrush);
             }
 
             compositionModeDirty = false;
@@ -1917,6 +1923,7 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
     d->opacityUniformDirty = true;
     d->needsSync = true;
     d->use_system_clip = !systemClip().isEmpty();
+    d->currentBrush = QBrush();
 
     d->dirtyStencilRegion = QRect(0, 0, d->width, d->height);
     d->stencilClean = true;
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index 844d42b..c78b011 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -171,7 +171,6 @@ public:
             q(q_ptr),
             width(0), height(0),
             ctx(0),
-            currentBrush(0),
             inverseScale(1),
             shaderManager(0),
             inRenderText(false)
@@ -185,7 +184,7 @@ public:
     void updateCompositionMode();
     void updateTextureFilter(GLenum target, GLenum wrapMode, bool smoothPixmapTransform, GLuint id = -1);
 
-    void setBrush(const QBrush* brush);
+    void setBrush(const QBrush& brush);
 
     void transferMode(EngineMode newMode);
     void resetGLState();
@@ -244,7 +243,7 @@ public:
     QRect currentScissorBounds;
     uint maxClip;
 
-    const QBrush*    currentBrush; // May not be the state's brush!
+    QBrush currentBrush; // May not be the state's brush!
 
     GLfloat     inverseScale;
 
@@ -255,7 +254,7 @@ public:
     GLfloat staticVertexCoordinateArray[8];
     GLfloat staticTextureCoordinateArray[8];
 
-    GLfloat pmvMatrix[4][4];
+    GLfloat pmvMatrix[3][3];
 
     QGLEngineShaderManager* shaderManager;
 
@@ -291,10 +290,7 @@ public:
     QScopedPointer<QPixmapFilter> convolutionFilter;
     QScopedPointer<QPixmapFilter> colorizeFilter;
     QScopedPointer<QPixmapFilter> blurFilter;
-    QScopedPointer<QPixmapFilter> animationBlurFilter;
-    QScopedPointer<QPixmapFilter> fastBlurFilter;
     QScopedPointer<QPixmapFilter> dropShadowFilter;
-    QScopedPointer<QPixmapFilter> fastDropShadowFilter;
 
     QSet<QVectorPath::CacheEntry *> pathCaches;
     QVector<GLuint> unusedVBOSToClean;
diff --git a/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp b/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp
index 6082f49..395b8a3 100644
--- a/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp
+++ b/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp
@@ -62,8 +62,14 @@ void QTriangulatingStroker::endCapOrJoinClosed(const qreal *start, const qreal *
         endCap(cur);
     }
     int count = m_vertices.size();
-    m_vertices.add(m_vertices.at(count-2));
-    m_vertices.add(m_vertices.at(count-1));
+
+    // Copy the (x, y) values because QDataBuffer::add(const float& t)
+    // may resize the buffer, which will leave t pointing at the
+    // previous buffer's memory region if we don't copy first.
+    float x = m_vertices.at(count-2);
+    float y = m_vertices.at(count-1);
+    m_vertices.add(x);
+    m_vertices.add(y);
 }
 
 
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index b6f8919..466e851 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -2063,6 +2063,29 @@ QGLTexture *QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G
 
 // #define QGL_BIND_TEXTURE_DEBUG
 
+// map from Qt's ARGB endianness-dependent format to GL's big-endian RGBA layout
+static inline void qgl_byteSwapImage(QImage &img, GLenum pixel_type)
+{
+    const int width = img.width();
+    const int height = img.height();
+
+    if (pixel_type == GL_UNSIGNED_INT_8_8_8_8_REV
+        || (pixel_type == GL_UNSIGNED_BYTE && QSysInfo::ByteOrder == QSysInfo::LittleEndian))
+    {
+        for (int i = 0; i < height; ++i) {
+            uint *p = (uint *) img.scanLine(i);
+            for (int x = 0; x < width; ++x)
+                p[x] = ((p[x] << 16) & 0xff0000) | ((p[x] >> 16) & 0xff) | (p[x] & 0xff00ff00);
+        }
+    } else {
+        for (int i = 0; i < height; ++i) {
+            uint *p = (uint *) img.scanLine(i);
+            for (int x = 0; x < width; ++x)
+                p[x] = (p[x] << 8) | ((p[x] >> 24) & 0xff);
+        }
+    }
+}
+
 QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, GLint internalFormat,
                                            const qint64 key, QGLContext::BindOptions options)
 {
@@ -2215,23 +2238,7 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G
         // 32 in the switch above is for the RGB16 case, where we set
         // the format to GL_RGB
         Q_ASSERT(img.depth() == 32);
-        const int width = img.width();
-        const int height = img.height();
-
-        if (pixel_type == GL_UNSIGNED_INT_8_8_8_8_REV
-            || (pixel_type == GL_UNSIGNED_BYTE && QSysInfo::ByteOrder == QSysInfo::LittleEndian)) {
-            for (int i=0; i < height; ++i) {
-                uint *p = (uint *) img.scanLine(i);
-                for (int x=0; x<width; ++x)
-                    p[x] = ((p[x] << 16) & 0xff0000) | ((p[x] >> 16) & 0xff) | (p[x] & 0xff00ff00);
-            }
-        } else {
-            for (int i=0; i < height; ++i) {
-                uint *p = (uint *) img.scanLine(i);
-                for (int x=0; x<width; ++x)
-                    p[x] = (p[x] << 8) | ((p[x] >> 24) & 0xff);
-            }
-        }
+        qgl_byteSwapImage(img, pixel_type);
     }
 #ifdef QT_OPENGL_ES
     // OpenGL/ES requires that the internal and external formats be identical.
@@ -3803,6 +3810,11 @@ bool QGLWidget::event(QEvent *e)
     }
 
 #if defined(QT_OPENGL_ES)
+    // A re-parent is likely to destroy the X11 window and re-create it. It is important
+    // that we free the EGL surface _before_ the winID changes - otherwise we can leak.
+    if (e->type() == QEvent::ParentAboutToChange)
+        d->glcx->d_func()->destroyEglSurfaceForDevice();
+
     if ((e->type() == QEvent::ParentChange) || (e->type() == QEvent::WindowStateChange)) {
         // The window may have been re-created during re-parent or state change - if so, the EGL
         // surface will need to be re-created.
@@ -4290,6 +4302,7 @@ static void qt_save_gl_state()
     glDisable(GL_CULL_FACE);
     glDisable(GL_LIGHTING);
     glDisable(GL_STENCIL_TEST);
+    glDisable(GL_DEPTH_TEST);
     glEnable(GL_BLEND);
     glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
 }
@@ -4343,6 +4356,10 @@ static void qt_gl_draw_text(QPainter *p, int x, int y, const QString &str,
    \note This function clears the stencil buffer.
 
    \note This function is not supported on OpenGL/ES systems.
+
+   \note This function temporarily disables depth-testing when the
+   text is drawn.
+
    \l{Overpainting Example}{Overpaint} with QPainter::drawText() instead.
 */
 
@@ -4433,6 +4450,13 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font,
     have the labels move with the model as it is rotated etc.
 
     \note This function is not supported on OpenGL/ES systems.
+
+    \note If depth testing is enabled before this function is called,
+    then the drawn text will be depth-tested against the models that
+    have already been drawn in the scene.  Use \c{glDisable(GL_DEPTH_TEST)}
+    before calling this function to annotate the models without
+    depth-testing the text.
+
     \l{Overpainting Example}{Overpaint} with QPainter::drawText() instead.
 */
 void QGLWidget::renderText(double x, double y, double z, const QString &str, const QFont &font, int)
diff --git a/src/opengl/qgl.h b/src/opengl/qgl.h
index 079953f..2076c46 100644
--- a/src/opengl/qgl.h
+++ b/src/opengl/qgl.h
@@ -546,6 +546,7 @@ private:
     friend class QGLPixelBuffer;
     friend class QGLPixelBufferPrivate;
     friend class QGLContext;
+    friend class QGLContextPrivate;
     friend class QGLOverlayWidget;
     friend class QOpenGLPaintEngine;
     friend class QGLPaintDevice;
diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp
index fbf0349..839e8eb 100644
--- a/src/opengl/qgl_egl.cpp
+++ b/src/opengl/qgl_egl.cpp
@@ -142,19 +142,7 @@ void QGLContext::reset()
     d->cleanup();
     doneCurrent();
     if (d->eglContext) {
-        if (d->eglSurface != EGL_NO_SURFACE) {
-#ifdef Q_WS_X11
-            // Make sure we don't call eglDestroySurface on a surface which
-            // was created for a different winId:
-            if (d->paintDevice->devType() == QInternal::Widget) {
-                QGLWidget* w = static_cast<QGLWidget*>(d->paintDevice);
-
-                if (w->d_func()->eglSurfaceWindowId == w->winId())
-                    eglDestroySurface(d->eglContext->display(), d->eglSurface);
-            } else
-#endif
-                eglDestroySurface(d->eglContext->display(), d->eglSurface);
-        }
+        d->destroyEglSurfaceForDevice();
         delete d->eglContext;
     }
     d->eglContext = 0;
@@ -198,6 +186,26 @@ void QGLContext::swapBuffers() const
     d->eglContext->swapBuffers(d->eglSurface);
 }
 
+void QGLContextPrivate::destroyEglSurfaceForDevice()
+{
+    if (eglSurface != EGL_NO_SURFACE) {
+#ifdef Q_WS_X11
+        // Make sure we don't call eglDestroySurface on a surface which
+        // was created for a different winId:
+        if (paintDevice->devType() == QInternal::Widget) {
+            QGLWidget* w = static_cast<QGLWidget*>(paintDevice);
+
+            if (w->d_func()->eglSurfaceWindowId == w->winId())
+                eglDestroySurface(eglContext->display(), eglSurface);
+            else
+                qWarning("WARNING: Potential EGL surface leak!");
+        } else
+#endif
+            eglDestroySurface(eglContext->display(), eglSurface);
+        eglSurface = EGL_NO_SURFACE;
+    }
+}
+
 void QGLWidget::setMouseTracking(bool enable)
 {
     QWidget::setMouseTracking(enable);
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 11770d3..99c0f33 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -288,6 +288,7 @@ public:
 #if defined(QT_OPENGL_ES)
     QEglContext *eglContext;
     EGLSurface eglSurface;
+    void destroyEglSurfaceForDevice();
 #elif defined(Q_WS_X11) || defined(Q_WS_MAC)
     void* cx;
 #endif
diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp
index a868e83..19026b3 100644
--- a/src/opengl/qgl_x11egl.cpp
+++ b/src/opengl/qgl_x11egl.cpp
@@ -173,10 +173,16 @@ void QGLWidget::updateOverlayGL()
     //handle overlay
 }
 
+//#define QT_DEBUG_X11_VISUAL_SELECTION 1
+
 bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig config, const QX11Info &x11Info, bool useArgbVisual)
 {
     bool foundVisualIsArgb = useArgbVisual;
 
+#ifdef QT_DEBUG_X11_VISUAL_SELECTION
+    qDebug("qt_egl_setup_x11_visual() - useArgbVisual=%d", useArgbVisual);
+#endif
+
     memset(&vi, 0, sizeof(XVisualInfo));
 
     EGLint eglConfigColorSize;
@@ -199,7 +205,9 @@ bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig conf
                 XRenderPictFormat *format;
                 format = XRenderFindVisualFormat(x11Info.display(), chosenVisualInfo->visual);
                 if (format->type == PictTypeDirect && format->direct.alphaMask) {
-//                    qDebug("Using ARGB X Visual ID (%d) provided by EGL", (int)vi.visualid);
+#ifdef QT_DEBUG_X11_VISUAL_SELECTION
+                    qDebug("Using ARGB X Visual ID (%d) provided by EGL", (int)vi.visualid);
+#endif
                     foundVisualIsArgb = true;
                     vi = *chosenVisualInfo;
                 }
@@ -212,7 +220,9 @@ bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig conf
 #endif
             {
                 if (eglConfigColorSize == chosenVisualInfo->depth) {
-//                    qDebug("Using opaque X Visual ID (%d) provided by EGL", (int)vi.visualid);
+#ifdef QT_DEBUG_X11_VISUAL_SELECTION
+                    qDebug("Using opaque X Visual ID (%d) provided by EGL", (int)vi.visualid);
+#endif
                     vi = *chosenVisualInfo;
                 } else
                     qWarning("Warning: EGL suggested using X visual ID %d (%d bpp) for config %d (%d bpp), but the depths do not match!",
@@ -248,7 +258,9 @@ bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig conf
             if (format->type == PictTypeDirect && format->direct.alphaMask) {
                 vi = matchingVisuals[i];
                 foundVisualIsArgb = true;
-//                qDebug("Using X Visual ID (%d) for ARGB visual as provided by XRender", (int)vi.visualid);
+#ifdef QT_DEBUG_X11_VISUAL_SELECTION
+                qDebug("Using X Visual ID (%d) for ARGB visual as provided by XRender", (int)vi.visualid);
+#endif
                 break;
             }
         }
@@ -272,24 +284,28 @@ bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig conf
             } else
                 qWarning("         - Falling back to X11 suggested depth (%d)", depth);
         }
-//        else
-//            qDebug("Using X Visual ID (%d) for EGL provided depth (%d)", (int)vi.visualid, depth);
+#ifdef QT_DEBUG_X11_VISUAL_SELECTION
+        else
+            qDebug("Using X Visual ID (%d) for EGL provided depth (%d)", (int)vi.visualid, depth);
+#endif
 
         // Don't try to use ARGB now unless the visual is 32-bit - even then it might stil fail :-(
         if (useArgbVisual)
             foundVisualIsArgb = vi.depth == 32; //### We might at some point (soon) get ARGB4444
     }
 
-//    qDebug("Visual Info:");
-//    qDebug("   bits_per_rgb=%d", vi.bits_per_rgb);
-//    qDebug("   red_mask=0x%x", vi.red_mask);
-//    qDebug("   green_mask=0x%x", vi.green_mask);
-//    qDebug("   blue_mask=0x%x", vi.blue_mask);
-//    qDebug("   colormap_size=%d", vi.colormap_size);
-//    qDebug("   c_class=%d", vi.c_class);
-//    qDebug("   depth=%d", vi.depth);
-//    qDebug("   screen=%d", vi.screen);
-//    qDebug("   visualid=%d", vi.visualid);
+#ifdef QT_DEBUG_X11_VISUAL_SELECTION
+    qDebug("Visual Info:");
+    qDebug("   bits_per_rgb=%d", vi.bits_per_rgb);
+    qDebug("   red_mask=0x%x", vi.red_mask);
+    qDebug("   green_mask=0x%x", vi.green_mask);
+    qDebug("   blue_mask=0x%x", vi.blue_mask);
+    qDebug("   colormap_size=%d", vi.colormap_size);
+    qDebug("   c_class=%d", vi.c_class);
+    qDebug("   depth=%d", vi.depth);
+    qDebug("   screen=%d", vi.screen);
+    qDebug("   visualid=%d", vi.visualid);
+#endif
     return foundVisualIsArgb;
 }
 
@@ -320,7 +336,7 @@ void QGLWidget::setContext(QGLContext *context, const QGLContext* shareContext,
     // If the application has set WA_TranslucentBackground and not explicitly set
     // the alpha buffer size to zero, modify the format so it have an alpha channel
     QGLFormat& fmt = d->glcx->d_func()->glFormat;
-    const bool tryArgbVisual = testAttribute(Qt::WA_TranslucentBackground);
+    const bool tryArgbVisual = testAttribute(Qt::WA_TranslucentBackground) || fmt.alpha();
     if (tryArgbVisual && fmt.alphaBufferSize() == -1)
         fmt.setAlphaBufferSize(1);
 
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index d0297c9..4b5c30a 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -597,6 +597,12 @@ void QGLFramebufferObjectPrivate::init(QGLFramebufferObject *q, const QSize &sz,
     the constructors that take a QGLFramebufferObject parameter, and set the
     QGLFramebufferObject::samples() property to a non-zero value.
 
+    When painting to a QGLFramebufferObject using QPainter, the state of
+    the current GL context will be altered by the paint engine to reflect
+    its needs.  Applications should not rely upon the GL state being reset
+    to its original conditions, particularly the current shader program,
+    GL viewport, texture units, and drawing modes.
+
     For multisample framebuffer objects a color render buffer is created,
     otherwise a texture with the specified texture target is created.
     The color render buffer or texture will have the specified internal
diff --git a/src/opengl/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp
index c478630..d4bcbe9 100644
--- a/src/opengl/qglpixmapfilter.cpp
+++ b/src/opengl/qglpixmapfilter.cpp
@@ -55,11 +55,17 @@
 #include "qgl_p.h"
 
 #include "private/qapplication_p.h"
+#include "private/qdrawhelper_p.h"
+#include "private/qmemrotate_p.h"
 #include "private/qmath_p.h"
 #include "qmath.h"
 
 QT_BEGIN_NAMESPACE
 
+// qpixmapfilter.cpp
+void qt_blurImage(QImage &blurImage, qreal radius, bool quality, int transposed = 0);
+QImage qt_halfScaled(const QImage &source);
+
 void QGLPixmapFilterBase::bindTexture(const QPixmap &src) const
 {
     const_cast<QGLContext *>(QGLContext::currentContext())->d_func()->bindTexture(src, GL_TEXTURE_2D, GL_RGBA, QGLContext::BindOptions(QGLContext::DefaultBindOption | QGLContext::MemoryManagedBindOption));
@@ -102,48 +108,21 @@ private:
 class QGLPixmapBlurFilter : public QGLCustomShaderStage, public QGLPixmapFilter<QPixmapBlurFilter>
 {
 public:
-    QGLPixmapBlurFilter(QGraphicsBlurEffect::BlurHints hints);
-
-    void setUniforms(QGLShaderProgram *program);
-
-    static QByteArray generateGaussianShader(int radius, bool singlePass = false, bool dropShadow = false);
+    QGLPixmapBlurFilter();
 
 protected:
     bool processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const;
-
-private:
-
-    mutable QSize m_textureSize;
-    mutable bool m_horizontalBlur;
-    mutable bool m_singlePass;
-    mutable bool m_animatedBlur;
-
-    mutable qreal m_t;
-    mutable QSize m_targetSize;
-
-    mutable bool m_haveCached;
-    mutable int m_cachedRadius;
-    mutable QGraphicsBlurEffect::BlurHints m_hints;
 };
 
 class QGLPixmapDropShadowFilter : public QGLCustomShaderStage, public QGLPixmapFilter<QPixmapDropShadowFilter>
 {
 public:
-    QGLPixmapDropShadowFilter(QGraphicsBlurEffect::BlurHints hints);
+    QGLPixmapDropShadowFilter();
 
     void setUniforms(QGLShaderProgram *program);
 
 protected:
     bool processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const;
-
-private:
-    mutable QSize m_textureSize;
-    mutable bool m_horizontalBlur;
-    mutable bool m_singlePass;
-
-    mutable bool m_haveCached;
-    mutable int m_cachedRadius;
-    mutable QGraphicsBlurEffect::BlurHints m_hints;
 };
 
 extern QGLWidget *qt_gl_share_widget();
@@ -158,31 +137,14 @@ QPixmapFilter *QGL2PaintEngineEx::pixmapFilter(int type, const QPixmapFilter *pr
         return d->colorizeFilter.data();
 
     case QPixmapFilter::BlurFilter: {
-        const QPixmapBlurFilter *proto = static_cast<const QPixmapBlurFilter *>(prototype);
-        if (proto->blurHints() & QGraphicsBlurEffect::AnimationHint) {
-            if (!d->animationBlurFilter)
-                d->animationBlurFilter.reset(new QGLPixmapBlurFilter(proto->blurHints()));
-            return d->animationBlurFilter.data();
-        }
-        if ((proto->blurHints() & QGraphicsBlurEffect::QualityHint) && proto->radius() > 5) {
-            if (!d->blurFilter)
-                d->blurFilter.reset(new QGLPixmapBlurFilter(QGraphicsBlurEffect::QualityHint));
-            return d->blurFilter.data();
-        }
-        if (!d->fastBlurFilter)
-            d->fastBlurFilter.reset(new QGLPixmapBlurFilter(QGraphicsBlurEffect::PerformanceHint));
-        return d->fastBlurFilter.data();
+        if (!d->blurFilter)
+            d->blurFilter.reset(new QGLPixmapBlurFilter());
+        return d->blurFilter.data();
         }
 
     case QPixmapFilter::DropShadowFilter: {
-        const QPixmapDropShadowFilter *proto = static_cast<const QPixmapDropShadowFilter *>(prototype);
-        if (proto->blurRadius() <= 5) {
-            if (!d->fastDropShadowFilter)
-                d->fastDropShadowFilter.reset(new QGLPixmapDropShadowFilter(QGraphicsBlurEffect::PerformanceHint));
-            return d->fastDropShadowFilter.data();
-        }
         if (!d->dropShadowFilter)
-            d->dropShadowFilter.reset(new QGLPixmapDropShadowFilter(QGraphicsBlurEffect::QualityHint));
+            d->dropShadowFilter.reset(new QGLPixmapDropShadowFilter());
         return d->dropShadowFilter.data();
         }
 
@@ -311,59 +273,43 @@ bool QGLPixmapConvolutionFilter::processGL(QPainter *painter, const QPointF &pos
     return true;
 }
 
-static const char *qt_gl_texture_sampling_helper =
-    "lowp float texture2DAlpha(lowp sampler2D src, highp vec2 srcCoords) {\n"
-    "   return texture2D(src, srcCoords).a;\n"
-    "}\n";
-
-QGLPixmapBlurFilter::QGLPixmapBlurFilter(QGraphicsBlurEffect::BlurHints hints)
-    : m_animatedBlur(false)
-    , m_haveCached(false)
-    , m_cachedRadius(0)
-    , m_hints(hints)
-{
-}
-
-// should be even numbers as they will be divided by two
-static const int qCachedBlurLevels[] = { 6, 14, 30 };
-static const int qNumCachedBlurTextures = sizeof(qCachedBlurLevels) / sizeof(*qCachedBlurLevels);
-static const int qMaxCachedBlurLevel = qCachedBlurLevels[qNumCachedBlurTextures - 1];
-
-static qreal qLogBlurLevel(int level)
+QGLPixmapBlurFilter::QGLPixmapBlurFilter()
 {
-    static bool initialized = false;
-    static qreal logBlurLevelCache[qNumCachedBlurTextures];
-    if (!initialized) {
-        for (int i = 0; i < qNumCachedBlurTextures; ++i)
-            logBlurLevelCache[i] = qLn(qCachedBlurLevels[i]);
-        initialized = true;
-    }
-    return logBlurLevelCache[level];
 }
 
 class QGLBlurTextureInfo
 {
 public:
-    QGLBlurTextureInfo(QSize size, GLuint textureIds[])
-        : m_size(size)
+    QGLBlurTextureInfo(const QImage &image, GLuint tex, qreal r)
+        : m_texture(tex)
+        , m_radius(r)
     {
-        for (int i = 0; i < qNumCachedBlurTextures; ++i)
-            m_textureIds[i] = textureIds[i];
+        m_paddedImage << image;
     }
 
     ~QGLBlurTextureInfo()
     {
-        glDeleteTextures(qNumCachedBlurTextures, m_textureIds);
+        glDeleteTextures(1, &m_texture);
     }
 
-    QSize size() const { return m_size; }
-    GLuint textureId(int i) const { return m_textureIds[i]; }
+    QImage paddedImage(int scaleLevel = 0) const;
+    GLuint texture() const { return m_texture; }
+    qreal radius() const { return m_radius; }
 
 private:
-    GLuint m_textureIds[qNumCachedBlurTextures];
-    QSize m_size;
+    mutable QList<QImage> m_paddedImage;
+    GLuint m_texture;
+    qreal m_radius;
 };
 
+QImage QGLBlurTextureInfo::paddedImage(int scaleLevel) const
+{
+    for (int i = m_paddedImage.size() - 1; i <= scaleLevel; ++i)
+        m_paddedImage << qt_halfScaled(m_paddedImage.at(i));
+
+    return m_paddedImage.at(scaleLevel);
+}
+
 class QGLBlurTextureCache : public QObject
 {
 public:
@@ -373,7 +319,6 @@ public:
     ~QGLBlurTextureCache();
 
     QGLBlurTextureInfo *takeBlurTextureInfo(const QPixmap &pixmap);
-    bool fitsInCache(const QPixmap &pixmap) const;
     bool hasBlurTextureInfo(const QPixmap &pixmap) const;
     void insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info);
     void clearBlurTextureInfo(const QPixmap &pixmap);
@@ -458,12 +403,7 @@ void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTe
     if (timerId)
         killTimer(timerId);
 
-    timerId = startTimer(1000);
-}
-
-bool QGLBlurTextureCache::fitsInCache(const QPixmap &pixmap) const
-{
-    return pixmap.width() * pixmap.height() <= cache.maxCost();
+    timerId = startTimer(8000);
 }
 
 void QGLBlurTextureCache::pixmapDestroyed(QPixmap *pixmap)
@@ -474,567 +414,217 @@ void QGLBlurTextureCache::pixmapDestroyed(QPixmap *pixmap)
     }
 }
 
-static const char *qt_gl_interpolate_filter =
-        "uniform lowp float interpolationValue;"
-        "uniform lowp sampler2D interpolateTarget;"
-        "uniform highp vec4 interpolateMapping;"
-        "lowp vec4 customShader(lowp sampler2D src, highp vec2 srcCoords)"
-        "{"
-        "    return mix(texture2D(interpolateTarget, interpolateMapping.xy + interpolateMapping.zw * srcCoords),"
-        "               texture2D(src, srcCoords), interpolationValue);"
-        "}";
+static const int qAnimatedBlurLevelIncrement = 16;
+static const int qMaxBlurHalfScaleLevel = 1;
 
-static void initializeTexture(GLuint id, int width, int height)
+static GLuint generateBlurTexture(const QSize &size, GLenum format = GL_RGBA)
 {
-    glBindTexture(GL_TEXTURE_2D, id);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
-                 GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glBindTexture(GL_TEXTURE_2D, 0);
+    GLuint texture;
+    glGenTextures(1, &texture);
+    glBindTexture(GL_TEXTURE_2D, texture);
+    glTexImage2D(GL_TEXTURE_2D, 0, format, size.width(), size.height(), 0, format,
+                 GL_UNSIGNED_BYTE, 0);
+    return texture;
 }
 
-bool QGLPixmapBlurFilter::processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &) const
+static inline uint nextMultiple(uint x, uint multiplier)
 {
-    QGLPixmapBlurFilter *filter = const_cast<QGLPixmapBlurFilter *>(this);
-
-    QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext());
-    QGLBlurTextureCache *blurTextureCache = QGLBlurTextureCache::cacheForContext(ctx);
-
-    if ((m_hints & QGraphicsBlurEffect::AnimationHint) && blurTextureCache->fitsInCache(src)) {
-        QRect targetRect = src.rect().adjusted(-qMaxCachedBlurLevel, -qMaxCachedBlurLevel, qMaxCachedBlurLevel, qMaxCachedBlurLevel);
-        // ensure even dimensions (going to divide by two)
-        targetRect.setWidth((targetRect.width() + 1) & ~1);
-        targetRect.setHeight((targetRect.height() + 1) & ~1);
-
-        QGLBlurTextureInfo *info = 0;
-        if (blurTextureCache->hasBlurTextureInfo(src)) {
-            info = blurTextureCache->takeBlurTextureInfo(src);
-        } else {
-            m_animatedBlur = false;
-            m_hints = QGraphicsBlurEffect::QualityHint;
-            m_singlePass = false;
-
-            QGLFramebufferObjectFormat format;
-            format.setInternalTextureFormat(GLenum(GL_RGBA));
-            QGLFramebufferObject *fbo = qgl_fbo_pool()->acquire(targetRect.size() / 2, format, true);
-
-            if (!fbo)
-                return false;
-
-            QPainter fboPainter(fbo);
-            QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(fboPainter.paintEngine());
-
-            glClearColor(0, 0, 0, 0);
-            glClear(GL_COLOR_BUFFER_BIT);
-
-            // ensure GL_LINEAR filtering is used for scaling down to half the size
-            fboPainter.setRenderHint(QPainter::SmoothPixmapTransform);
-            fboPainter.setCompositionMode(QPainter::CompositionMode_Source);
-            fboPainter.drawPixmap(qMaxCachedBlurLevel / 2, qMaxCachedBlurLevel / 2,
-                    targetRect.width() / 2 - qMaxCachedBlurLevel, targetRect.height() / 2 - qMaxCachedBlurLevel, src);
-
-            GLuint textures[qNumCachedBlurTextures]; // blur textures
-            glGenTextures(qNumCachedBlurTextures, textures);
-            GLuint temp; // temp texture
-            glGenTextures(1, &temp);
-
-            initializeTexture(temp, fbo->width(), fbo->height());
-            m_textureSize = fbo->size();
-
-            int currentBlur = 0;
-
-            QRect fboRect(0, 0, fbo->width(), fbo->height());
-            GLuint sourceTexture = fbo->texture();
-            for (int i = 0; i < qNumCachedBlurTextures; ++i) {
-                int targetBlur = qCachedBlurLevels[i] / 2;
-
-                int blurDelta = qRound(qSqrt(targetBlur * targetBlur - currentBlur * currentBlur));
-                QByteArray source = generateGaussianShader(blurDelta);
-                filter->setSource(source);
-
-                currentBlur = targetBlur;
-
-                // now we're going to be nasty and keep using the same FBO with different textures
-                glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
-                        GL_TEXTURE_2D, temp, 0);
-
-                m_horizontalBlur = true;
-                filter->setOnPainter(&fboPainter);
-                engine->drawTexture(fboRect, sourceTexture, fbo->size(), fboRect);
-                filter->removeFromPainter(&fboPainter);
-
-                sourceTexture = textures[i];
-                initializeTexture(sourceTexture, fbo->width(), fbo->height());
-
-                glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
-                        GL_TEXTURE_2D, textures[i], 0);
-
-                m_horizontalBlur = false;
-                filter->setOnPainter(&fboPainter);
-                engine->drawTexture(fboRect, temp, fbo->size(), fboRect);
-                filter->removeFromPainter(&fboPainter);
-            }
-
-            glDeleteTextures(1, &temp);
+    uint mod = x % multiplier;
+    if (mod == 0)
+        return x;
+    return x + multiplier - mod;
+}
 
-            // reattach the original FBO texture
-            glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
-                    GL_TEXTURE_2D, fbo->texture(), 0);
+void qt_memrotate90_gl(const quint32 *src, int srcWidth, int srcHeight, int srcStride,
+                       quint32 *dest, int dstStride);
 
-            fboPainter.end();
+bool QGLPixmapBlurFilter::processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &) const
+{
+    if (radius() < 1) {
+        painter->drawPixmap(pos, src);
+        return true;
+    }
 
-            qgl_fbo_pool()->release(fbo);
+    qreal actualRadius = radius();
 
-            info = new QGLBlurTextureInfo(fboRect.size(), textures);
-        }
+    QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext());
 
-        if (!m_haveCached || !m_animatedBlur) {
-            m_haveCached = true;
-            m_animatedBlur = true;
-            m_hints = QGraphicsBlurEffect::AnimationHint;
-            filter->setSource(qt_gl_interpolate_filter);
-        }
+    QGLBlurTextureCache *blurTextureCache = QGLBlurTextureCache::cacheForContext(ctx);
+    QGLBlurTextureInfo *info = 0;
+    int padding = nextMultiple(qCeil(actualRadius), qAnimatedBlurLevelIncrement);
+    QRect targetRect = src.rect().adjusted(-padding, -padding, padding, padding);
 
-        QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(painter->paintEngine());
-        painter->setRenderHint(QPainter::SmoothPixmapTransform);
-        filter->setOnPainter(painter);
+    // pad so that we'll be able to half-scale qMaxBlurHalfScaleLevel times
+    targetRect.setWidth((targetRect.width() + (qMaxBlurHalfScaleLevel-1)) & ~(qMaxBlurHalfScaleLevel-1));
+    targetRect.setHeight((targetRect.height() + (qMaxBlurHalfScaleLevel-1)) & ~(qMaxBlurHalfScaleLevel-1));
 
-        qreal logRadius = qLn(radius());
+    QSize textureSize;
 
-        int t;
-        for (t = -1; t < qNumCachedBlurTextures - 2; ++t) {
-            if (logRadius < qLogBlurLevel(t+1))
-                break;
-        }
+    info = blurTextureCache->takeBlurTextureInfo(src);
+    if (!info || info->radius() < actualRadius) {
+        QSize paddedSize = targetRect.size() / 2;
 
-        qreal logBase = t >= 0 ? qLogBlurLevel(t) : 0;
-        m_t = qBound(qreal(0), (logRadius - logBase) / (qLogBlurLevel(t+1) - logBase), qreal(1));
+        QImage padded(paddedSize.height(), paddedSize.width(), QImage::Format_ARGB32_Premultiplied);
+        padded.fill(0);
 
-        m_textureSize = info->size();
+        if (info) {
+            int oldPadding = qRound(info->radius());
 
-        glActiveTexture(GL_TEXTURE0 + 3);
-        if (t >= 0) {
-            glBindTexture(GL_TEXTURE_2D, info->textureId(t));
-            m_targetSize = info->size();
+            QPainter p(&padded);
+            p.setCompositionMode(QPainter::CompositionMode_Source);
+            p.drawImage((padding - oldPadding) / 2, (padding - oldPadding) / 2, info->paddedImage());
+            p.end();
         } else {
-            QGLTexture *texture =
-                ctx->d_func()->bindTexture(src, GL_TEXTURE_2D, GL_RGBA,
-                                           QGLContext::InternalBindOption
-                                           | QGLContext::CanFlipNativePixmapBindOption);
-            m_targetSize = src.size();
-            if (!(texture->options & QGLContext::InvertedYBindOption))
-                m_targetSize.setHeight(-m_targetSize.height());
+            // TODO: combine byteswapping and memrotating into one by declaring
+            // custom GL_RGBA pixel type and qt_colorConvert template for it
+            QImage prepadded = qt_halfScaled(src.toImage()).convertToFormat(QImage::Format_ARGB32_Premultiplied);
+
+            // byte-swap and memrotates in one go
+            qt_memrotate90_gl(reinterpret_cast<const quint32*>(prepadded.bits()),
+                              prepadded.width(), prepadded.height(), prepadded.bytesPerLine(),
+                              reinterpret_cast<quint32*>(padded.scanLine(padding / 2)) + padding / 2,
+                              padded.bytesPerLine());
         }
 
-        // restrict the target rect to the max of the radii we are interpolating between
-        int radiusDelta = qMaxCachedBlurLevel - qCachedBlurLevels[t+1];
-        targetRect = targetRect.translated(pos.toPoint()).adjusted(radiusDelta, radiusDelta, -radiusDelta, -radiusDelta);
-
-        radiusDelta /= 2;
-        QRect sourceRect = QRect(QPoint(), m_textureSize).adjusted(radiusDelta, radiusDelta, -radiusDelta, -radiusDelta);
-
-        engine->drawTexture(targetRect, info->textureId(t+1), m_textureSize, sourceRect);
-
-        glActiveTexture(GL_TEXTURE0 + 3);
-        glBindTexture(GL_TEXTURE_2D, 0);
-
-        filter->removeFromPainter(painter);
-        blurTextureCache->insertBlurTextureInfo(src, info);
-
-        return true;
-    }
+        delete info;
+        info = new QGLBlurTextureInfo(padded, generateBlurTexture(paddedSize), padding);
 
-    if (blurTextureCache->hasBlurTextureInfo(src))
-        blurTextureCache->clearBlurTextureInfo(src);
-
-    int actualRadius = qRound(radius());
-    int filterRadius = actualRadius;
-    int fastRadii[] = { 1, 2, 3, 5, 8, 15, 25 };
-    if (!(m_hints & QGraphicsBlurEffect::QualityHint)) {
-        uint i = 0;
-        for (; i < (sizeof(fastRadii)/sizeof(*fastRadii))-1; ++i) {
-            if (fastRadii[i+1] > filterRadius)
-                break;
-        }
-        filterRadius = fastRadii[i];
+        textureSize = paddedSize;
+    } else {
+        textureSize = QSize(info->paddedImage().height(), info->paddedImage().width());
     }
 
-    m_singlePass = filterRadius <= 3;
-
-    if (!m_haveCached || m_animatedBlur || filterRadius != m_cachedRadius) {
-        // Only regenerate the shader from source if parameters have changed.
-        m_haveCached = true;
-        m_animatedBlur = false;
-        m_cachedRadius = filterRadius;
-        QByteArray source = generateGaussianShader(filterRadius, m_singlePass);
-        filter->setSource(source);
+    actualRadius *= qreal(0.5);
+    int level = 1;
+    for (; level < qMaxBlurHalfScaleLevel; ++level) {
+        if (actualRadius <= 16)
+            break;
+        actualRadius *= qreal(0.5);
     }
 
-    QRect targetRect = QRectF(src.rect()).translated(pos).adjusted(-actualRadius, -actualRadius, actualRadius, actualRadius).toAlignedRect();
+    const int s = (1 << level);
 
-    if (m_singlePass) {
-        // prepare for updateUniforms
-        m_textureSize = src.size();
+    int prepadding = qRound(info->radius());
+    padding = qMin(prepadding, qCeil(actualRadius) << level);
+    targetRect = src.rect().adjusted(-padding, -padding, padding, padding);
 
-        // ensure GL_LINEAR filtering is used
-        painter->setRenderHint(QPainter::SmoothPixmapTransform);
-        filter->setOnPainter(painter);
-        QBrush pixmapBrush = src;
-        pixmapBrush.setTransform(QTransform::fromTranslate(pos.x(), pos.y()));
-        painter->fillRect(targetRect, pixmapBrush);
-        filter->removeFromPainter(painter);
-    } else {
-        QGLFramebufferObjectFormat format;
-        format.setInternalTextureFormat(GLenum(src.hasAlphaChannel() ? GL_RGBA : GL_RGB));
-        QGLFramebufferObject *fbo = qgl_fbo_pool()->acquire(targetRect.size(), format);
+    targetRect.setWidth(targetRect.width() & ~(s-1));
+    targetRect.setHeight(targetRect.height() & ~(s-1));
 
-        if (!fbo)
-            return false;
+    int paddingDelta = (prepadding - padding) >> level;
 
-        // prepare for updateUniforms
-        m_textureSize = src.size();
+    QRect subRect(paddingDelta, paddingDelta, targetRect.width() >> level, targetRect.height() >> level);
+    QImage sourceImage = info->paddedImage(level-1);
 
-        // horizontal pass, to pixmap
-        m_horizontalBlur = true;
+    QImage subImage(subRect.height(), subRect.width(), QImage::Format_ARGB32_Premultiplied);
+    qt_rectcopy((QRgb *)subImage.bits(), ((QRgb *)sourceImage.scanLine(paddingDelta)) + paddingDelta,
+                0, 0, subRect.height(), subRect.width(), subImage.bytesPerLine(), sourceImage.bytesPerLine());
 
-        QPainter fboPainter(fbo);
+    GLuint texture = info->texture();
 
-        glClearColor(0, 0, 0, 0);
-        glClear(GL_COLOR_BUFFER_BIT);
+    qt_blurImage(subImage, actualRadius, blurHints() & QGraphicsBlurEffect::QualityHint, 1);
 
-        // ensure GL_LINEAR filtering is used
-        fboPainter.setRenderHint(QPainter::SmoothPixmapTransform);
-        fboPainter.setCompositionMode(QPainter::CompositionMode_Source);
-        filter->setOnPainter(&fboPainter);
-        QBrush pixmapBrush = src;
-        pixmapBrush.setTransform(QTransform::fromTranslate(actualRadius, actualRadius));
-        fboPainter.fillRect(QRect(0, 0, targetRect.width(), targetRect.height()), pixmapBrush);
-        filter->removeFromPainter(&fboPainter);
-        fboPainter.end();
+    // subtract one pixel off the end to prevent the bilinear sampling from sampling uninitialized data
+    QRect textureSubRect = subImage.rect().adjusted(0, 0, -1, -1);
+    QRectF targetRectF = QRectF(targetRect).adjusted(0, 0, -targetRect.width() / qreal(textureSize.width()), -targetRect.height() / qreal(textureSize.height()));
 
-        QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(painter->paintEngine());
+    glBindTexture(GL_TEXTURE_2D, texture);
+    glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, subImage.width(), subImage.height(), GL_RGBA,
+            GL_UNSIGNED_BYTE, const_cast<const QImage &>(subImage).bits());
 
-        // vertical pass, to painter
-        m_horizontalBlur = false;
-        m_textureSize = fbo->size();
+    QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(painter->paintEngine());
+    painter->setRenderHint(QPainter::SmoothPixmapTransform);
 
-        painter->save();
-        // ensure GL_LINEAR filtering is used
-        painter->setRenderHint(QPainter::SmoothPixmapTransform);
-        filter->setOnPainter(painter);
-        engine->drawTexture(targetRect, fbo->texture(), fbo->size(), QRect(QPoint(), targetRect.size()).translated(0, fbo->height() - targetRect.height()));
-        filter->removeFromPainter(painter);
-        painter->restore();
+    // texture is flipped on the y-axis
+    targetRectF = QRectF(targetRectF.x(), targetRectF.bottom(), targetRectF.width(), -targetRectF.height());
+    engine->drawTexture(targetRectF.translated(pos), texture, textureSize, textureSubRect);
 
-        qgl_fbo_pool()->release(fbo);
-    }
+    blurTextureCache->insertBlurTextureInfo(src, info);
 
     return true;
 }
 
-void QGLPixmapBlurFilter::setUniforms(QGLShaderProgram *program)
-{
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
-    if (m_animatedBlur) {
-        program->setUniformValue("interpolateTarget", 3);
-        program->setUniformValue("interpolationValue", GLfloat(m_t));
-
-        if (m_textureSize == m_targetSize) {
-            program->setUniformValue("interpolateMapping", 0.0f, 0.0f, 1.0f, 1.0f);
-        } else {
-            float offsetX = (-qMaxCachedBlurLevel - 0.5) / qreal(m_targetSize.width());
-            float offsetY = (-qMaxCachedBlurLevel - 0.5) / qreal(m_targetSize.height());
-
-            if (m_targetSize.height() < 0)
-                offsetY = 1 + offsetY;
-
-            float scaleX = 2.0f * qreal(m_textureSize.width()) / qreal(m_targetSize.width());
-            float scaleY = 2.0f * qreal(m_textureSize.height()) / qreal(m_targetSize.height());
-
-            program->setUniformValue("interpolateMapping", offsetX, offsetY, scaleX, scaleY);
-        }
-
-        return;
-    }
+static const char *qt_gl_drop_shadow_filter =
+        "uniform lowp vec4 shadowColor;"
+        "lowp vec4 customShader(lowp sampler2D src, highp vec2 srcCoords)"
+        "{"
+        "    return shadowColor * texture2D(src, srcCoords.yx).a;"
+        "}";
 
-    if (m_hints & QGraphicsBlurEffect::QualityHint) {
-        if (m_singlePass)
-            program->setUniformValue("delta", 1.0 / m_textureSize.width(), 1.0 / m_textureSize.height());
-        else if (m_horizontalBlur)
-            program->setUniformValue("delta", 1.0 / m_textureSize.width(), 0.0);
-        else
-            program->setUniformValue("delta", 0.0, 1.0 / m_textureSize.height());
-    } else {
-        qreal blur = radius() / qreal(m_cachedRadius);
-
-        if (m_singlePass)
-            program->setUniformValue("delta", blur / m_textureSize.width(), blur / m_textureSize.height());
-        else if (m_horizontalBlur)
-            program->setUniformValue("delta", blur / m_textureSize.width(), 0.0);
-        else
-            program->setUniformValue("delta", 0.0, blur / m_textureSize.height());
-    }
-}
 
-static inline qreal gaussian(qreal dx, qreal sigma)
+QGLPixmapDropShadowFilter::QGLPixmapDropShadowFilter()
 {
-    return exp(-dx * dx / (2 * sigma * sigma)) / (Q_2PI * sigma * sigma);
+    setSource(qt_gl_drop_shadow_filter);
 }
 
-QByteArray QGLPixmapBlurFilter::generateGaussianShader(int radius, bool singlePass, bool dropShadow)
+bool QGLPixmapDropShadowFilter::processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const
 {
-    Q_ASSERT(radius >= 1);
-
-    radius = qMin(127, radius);
-
-    static QCache<uint, QByteArray> shaderSourceCache;
-    uint key = radius | (int(singlePass) << 7) | (int(dropShadow) << 8);
-    QByteArray *cached = shaderSourceCache.object(key);
-    if (cached)
-        return *cached;
-
-    QByteArray source;
-    source.reserve(1000);
-    source.append(qt_gl_texture_sampling_helper);
-
-    source.append("uniform highp vec2      delta;\n");
-    if (dropShadow)
-        source.append("uniform mediump vec4    shadowColor;\n");
-    source.append("lowp vec4 customShader(lowp sampler2D src, highp vec2 srcCoords) {\n");
-
-    QVector<qreal> sampleOffsets;
-    QVector<qreal> weights;
-
-    QVector<qreal> gaussianComponents;
-
-    qreal sigma = radius / 1.65;
-
-    qreal sum = 0;
-    for (int i = -radius; i < radius; ++i) {
-        float value = gaussian(i, sigma);
-        gaussianComponents << value;
-        sum += value;
-    }
-
-    // normalize
-    for (int i = 0; i < gaussianComponents.size(); ++i)
-        gaussianComponents[i] /= sum;
-
-    for (int i = 0; i < gaussianComponents.size() - 1; i += 2) {
-        qreal weight = gaussianComponents.at(i) + gaussianComponents.at(i + 1);
-        qreal offset = i - radius + gaussianComponents.at(i + 1) / weight;
-
-        sampleOffsets << offset;
-        weights << weight;
-    }
-
-    int limit = sampleOffsets.size();
-    if (singlePass)
-        limit *= limit;
-
-    QByteArray baseCoordinate = "srcCoords";
-
-    for (int i = 0; i < limit; ++i) {
-        QByteArray coordinate = baseCoordinate;
-
-        qreal weight;
-        if (singlePass) {
-            const int xIndex = i % sampleOffsets.size();
-            const int yIndex = i / sampleOffsets.size();
-
-            const qreal deltaX = sampleOffsets.at(xIndex);
-            const qreal deltaY = sampleOffsets.at(yIndex);
-            weight = weights.at(xIndex) * weights.at(yIndex);
-
-            if (!qFuzzyCompare(deltaX, deltaY)) {
-                coordinate.append(" + vec2(delta.x * float(");
-                coordinate.append(QByteArray::number(deltaX));
-                coordinate.append("), delta.y * float(");
-                coordinate.append(QByteArray::number(deltaY));
-                coordinate.append("))");
-            } else if (!qFuzzyIsNull(deltaX)) {
-                coordinate.append(" + delta * float(");
-                coordinate.append(QByteArray::number(deltaX));
-                coordinate.append(")");
-            }
-        } else {
-            const qreal delta = sampleOffsets.at(i);
-            weight = weights.at(i);
-            if (!qFuzzyIsNull(delta)) {
-                coordinate.append(" + delta * float(");
-                coordinate.append(QByteArray::number(delta));
-                coordinate.append(")");
-            }
-        }
-
-        if (i == 0) {
-            if (dropShadow)
-                source.append("    mediump float sample = ");
-            else
-                source.append("    mediump vec4 sample = ");
-        } else {
-            if (dropShadow)
-                source.append("    sample += ");
-            else
-                source.append("    sample += ");
-        }
+    QGLPixmapDropShadowFilter *filter = const_cast<QGLPixmapDropShadowFilter *>(this);
 
-        source.append("texture2D(src, ");
-        source.append(coordinate);
-        source.append(")");
+    qreal r = blurRadius();
+    QRectF targetRectUnaligned = QRectF(src.rect()).translated(pos + offset()).adjusted(-r, -r, r, r);
+    QRect targetRect = targetRectUnaligned.toAlignedRect();
 
-        if (dropShadow)
-            source.append(".a");
+    // ensure even dimensions (going to divide by two)
+    targetRect.setWidth((targetRect.width() + 1) & ~1);
+    targetRect.setHeight((targetRect.height() + 1) & ~1);
 
-        if (!qFuzzyCompare(weight, qreal(1))) {
-            source.append(" * float(");
-            source.append(QByteArray::number(weight));
-            source.append(");\n");
-        } else {
-            source.append(";\n");
-        }
-    }
+    QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext());
+    QGLBlurTextureCache *blurTextureCache = QGLBlurTextureCache::cacheForContext(ctx);
 
-    source.append("    return ");
-    if (dropShadow)
-        source.append("shadowColor * ");
-    source.append("sample;\n");
-    source.append("}\n");
+    QGLBlurTextureInfo *info = blurTextureCache->takeBlurTextureInfo(src);
+    if (!info || info->radius() != r) {
+        QImage half = qt_halfScaled(src.toImage().alphaChannel());
 
-    cached = new QByteArray(source);
-    shaderSourceCache.insert(key, cached);
+        qreal rx = r + targetRect.left() - targetRectUnaligned.left();
+        qreal ry = r + targetRect.top() - targetRectUnaligned.top();
 
-    return source;
-}
+        QImage image = QImage(targetRect.size() / 2, QImage::Format_Indexed8);
+        image.setColorTable(half.colorTable());
+        image.fill(0);
+        int dx = qRound(rx * qreal(0.5));
+        int dy = qRound(ry * qreal(0.5));
+        qt_rectcopy(image.bits(), half.bits(), dx, dy,
+                    half.width(), half.height(),
+                    image.bytesPerLine(), half.bytesPerLine());
 
-QGLPixmapDropShadowFilter::QGLPixmapDropShadowFilter(QGraphicsBlurEffect::BlurHints hints)
-    : m_haveCached(false)
-    , m_cachedRadius(0)
-    , m_hints(hints)
-{
-}
+        qt_blurImage(image, r * qreal(0.5), false, 1);
 
-bool QGLPixmapDropShadowFilter::processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const
-{
-    QGLPixmapDropShadowFilter *filter = const_cast<QGLPixmapDropShadowFilter *>(this);
+        GLuint texture = generateBlurTexture(image.size(), GL_ALPHA);
 
-    int actualRadius = qRound(blurRadius());
-    int filterRadius = actualRadius;
-    m_singlePass = filterRadius <= 3;
+        glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, image.width(), image.height(), GL_ALPHA,
+                        GL_UNSIGNED_BYTE, image.bits());
 
-    if (!m_haveCached || filterRadius != m_cachedRadius) {
-        // Only regenerate the shader from source if parameters have changed.
-        m_haveCached = true;
-        m_cachedRadius = filterRadius;
-        QByteArray source = QGLPixmapBlurFilter::generateGaussianShader(filterRadius, m_singlePass, true);
-        filter->setSource(source);
+        info = new QGLBlurTextureInfo(image, texture, r);
     }
 
-    QRect targetRect = QRectF(src.rect()).translated(pos + offset()).adjusted(-actualRadius, -actualRadius, actualRadius, actualRadius).toAlignedRect();
-
-    if (m_singlePass) {
-        // prepare for updateUniforms
-        m_textureSize = src.size();
-
-        painter->save();
-        // ensure GL_LINEAR filtering is used
-        painter->setRenderHint(QPainter::SmoothPixmapTransform);
-        filter->setOnPainter(painter);
-        QBrush pixmapBrush = src;
-        pixmapBrush.setTransform(QTransform::fromTranslate(pos.x() + offset().x(), pos.y() + offset().y()));
-        painter->fillRect(targetRect, pixmapBrush);
-        filter->removeFromPainter(painter);
-        painter->restore();
-    } else {
-        QGLFramebufferObjectFormat format;
-        format.setInternalTextureFormat(GLenum(src.hasAlphaChannel() ? GL_RGBA : GL_RGB));
-        QGLFramebufferObject *fbo = qgl_fbo_pool()->acquire(targetRect.size(), format);
-
-        if (!fbo)
-            return false;
-
-        // prepare for updateUniforms
-        m_textureSize = src.size();
-
-        // horizontal pass, to pixmap
-        m_horizontalBlur = true;
-
-        QPainter fboPainter(fbo);
+    GLuint texture = info->texture();
 
-        glClearColor(0, 0, 0, 0);
-        glClear(GL_COLOR_BUFFER_BIT);
-
-        // ensure GL_LINEAR filtering is used
-        fboPainter.setRenderHint(QPainter::SmoothPixmapTransform);
-        fboPainter.setCompositionMode(QPainter::CompositionMode_Source);
-        filter->setOnPainter(&fboPainter);
-        QBrush pixmapBrush = src;
-        pixmapBrush.setTransform(QTransform::fromTranslate(actualRadius, actualRadius));
-        fboPainter.fillRect(QRect(0, 0, targetRect.width(), targetRect.height()), pixmapBrush);
-        filter->removeFromPainter(&fboPainter);
-        fboPainter.end();
-
-        QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(painter->paintEngine());
+    filter->setOnPainter(painter);
 
-        // vertical pass, to painter
-        m_horizontalBlur = false;
-        m_textureSize = fbo->size();
+    QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx *>(painter->paintEngine());
+    painter->setRenderHint(QPainter::SmoothPixmapTransform);
 
-        painter->save();
-        // ensure GL_LINEAR filtering is used
-        painter->setRenderHint(QPainter::SmoothPixmapTransform);
-        filter->setOnPainter(painter);
-        engine->drawTexture(targetRect, fbo->texture(), fbo->size(), QRectF(0, fbo->height() - targetRect.height(), targetRect.width(), targetRect.height()));
-        filter->removeFromPainter(painter);
-        painter->restore();
+    engine->drawTexture(targetRect, texture, info->paddedImage().size(), info->paddedImage().rect());
 
-        qgl_fbo_pool()->release(fbo);
-    }
+    filter->removeFromPainter(painter);
 
     // Now draw the actual pixmap over the top.
     painter->drawPixmap(pos, src, srcRect);
 
+    blurTextureCache->insertBlurTextureInfo(src, info);
+
     return true;
 }
 
 void QGLPixmapDropShadowFilter::setUniforms(QGLShaderProgram *program)
 {
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
     QColor col = color();
-    if (m_horizontalBlur && !m_singlePass) {
-        program->setUniformValue("shadowColor", 1.0f, 1.0f, 1.0f, 1.0f);
-    } else {
-        qreal alpha = col.alphaF();
-        program->setUniformValue("shadowColor", col.redF() * alpha,
-                                                col.greenF() * alpha,
-                                                col.blueF() * alpha,
-                                                alpha);
-    }
-
-    if (m_hints & QGraphicsBlurEffect::QualityHint) {
-        if (m_singlePass)
-            program->setUniformValue("delta", 1.0 / m_textureSize.width(), 1.0 / m_textureSize.height());
-        else if (m_horizontalBlur)
-            program->setUniformValue("delta", 1.0 / m_textureSize.width(), 0.0);
-        else
-            program->setUniformValue("delta", 0.0, 1.0 / m_textureSize.height());
-    } else {
-        qreal blur = blurRadius() / qreal(m_cachedRadius);
-
-        if (m_singlePass)
-            program->setUniformValue("delta", blur / m_textureSize.width(), blur / m_textureSize.height());
-        else if (m_horizontalBlur)
-            program->setUniformValue("delta", blur / m_textureSize.width(), 0.0);
-        else
-            program->setUniformValue("delta", 0.0, blur / m_textureSize.height());
-    }
+    qreal alpha = col.alphaF();
+    program->setUniformValue("shadowColor", col.redF() * alpha,
+                                            col.greenF() * alpha,
+                                            col.blueF() * alpha,
+                                            alpha);
 }
 
 QT_END_NAMESPACE
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index b4191dc..f9737a56 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -2275,6 +2275,42 @@ void QGLShaderProgram::setUniformValue(const char *name, const QMatrix4x4& value
     \overload
 
     Sets the uniform variable at \a location in the current context
+    to a 2x2 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.6.2
+*/
+void QGLShaderProgram::setUniformValue(int location, const GLfloat value[2][2])
+{
+    Q_D(QGLShaderProgram);
+    Q_UNUSED(d);
+    if (location != -1)
+        glUniformMatrix2fv(location, 1, GL_FALSE, value[0]);
+}
+
+/*!
+    \overload
+
+    Sets the uniform variable at \a location in the current context
+    to a 3x3 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.6.2
+*/
+void QGLShaderProgram::setUniformValue(int location, const GLfloat value[3][3])
+{
+    Q_D(QGLShaderProgram);
+    Q_UNUSED(d);
+    if (location != -1)
+        glUniformMatrix3fv(location, 1, GL_FALSE, value[0]);
+}
+
+/*!
+    \overload
+
+    Sets the uniform variable at \a location in the current context
     to a 4x4 matrix \a value.  The matrix elements must be specified
     in column-major order.
 
@@ -2288,6 +2324,37 @@ void QGLShaderProgram::setUniformValue(int location, const GLfloat value[4][4])
         glUniformMatrix4fv(location, 1, GL_FALSE, value[0]);
 }
 
+
+/*!
+    \overload
+
+    Sets the uniform variable called \a name in the current context
+    to a 2x2 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.6.2
+*/
+void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[2][2])
+{
+    setUniformValue(uniformLocation(name), value);
+}
+
+/*!
+    \overload
+
+    Sets the uniform variable called \a name in the current context
+    to a 3x3 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.6.2
+*/
+void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[3][3])
+{
+    setUniformValue(uniformLocation(name), value);
+}
+
 /*!
     \overload
 
diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h
index deeaee2..4eb80dd 100644
--- a/src/opengl/qglshaderprogram.h
+++ b/src/opengl/qglshaderprogram.h
@@ -216,6 +216,8 @@ public:
     void setUniformValue(int location, const QMatrix4x2& value);
     void setUniformValue(int location, const QMatrix4x3& value);
     void setUniformValue(int location, const QMatrix4x4& value);
+    void setUniformValue(int location, const GLfloat value[2][2]);
+    void setUniformValue(int location, const GLfloat value[3][3]);
     void setUniformValue(int location, const GLfloat value[4][4]);
     void setUniformValue(int location, const QTransform& value);
 
@@ -242,6 +244,8 @@ public:
     void setUniformValue(const char *name, const QMatrix4x2& value);
     void setUniformValue(const char *name, const QMatrix4x3& value);
     void setUniformValue(const char *name, const QMatrix4x4& value);
+    void setUniformValue(const char *name, const GLfloat value[2][2]);
+    void setUniformValue(const char *name, const GLfloat value[3][3]);
     void setUniformValue(const char *name, const GLfloat value[4][4]);
     void setUniformValue(const char *name, const QTransform& value);
 
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index 4e1d50d..92c990b 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -341,22 +341,11 @@ void QGLPixmapData::ensureCreated() const
 
     if (!m_source.isNull()) {
         if (external_format == GL_RGB) {
-            QImage tx = m_source.convertToFormat(QImage::Format_RGB32);
-
-            QVector<uchar> pixelData(w * h * 3);
-            uchar *p = &pixelData[0];
-            QRgb *src = (QRgb *)tx.bits();
-
-            for (int i = 0; i < w * h; ++i) {
-                *p++ = qRed(*src);
-                *p++ = qGreen(*src);
-                *p++ = qBlue(*src);
-                ++src;
-            }
+            const QImage tx = m_source.convertToFormat(QImage::Format_RGB888);
 
             glBindTexture(target, m_texture.id);
             glTexSubImage2D(target, 0, 0, 0, w, h, external_format,
-                            GL_UNSIGNED_BYTE, &pixelData[0]);
+                            GL_UNSIGNED_BYTE, tx.bits());
         } else {
             const QImage tx = ctx->d_func()->convertToGLFormat(m_source, true, external_format);
 
diff --git a/src/openvg/openvg.pro b/src/openvg/openvg.pro
index 8927c4c..c8c9917 100644
--- a/src/openvg/openvg.pro
+++ b/src/openvg/openvg.pro
@@ -16,11 +16,13 @@ HEADERS += \
     qpaintengine_vg_p.h \
     qpixmapdata_vg_p.h \
     qpixmapfilter_vg_p.h \
-    qvgcompositionhelper_p.h
+    qvgcompositionhelper_p.h \
+    qvgimagepool_p.h
 SOURCES += \
     qpaintengine_vg.cpp \
     qpixmapdata_vg.cpp \
-    qpixmapfilter_vg.cpp
+    qpixmapfilter_vg.cpp \
+    qvgimagepool.cpp
 
 contains(QT_CONFIG, egl) {
     HEADERS += \
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp