Merge branch 'qdoc-simplified' into mimir-simplified

Conflicts:
	doc/src/platforms/compiler-notes.qdoc
	tools/qdoc3/ditaxmlgenerator.cpp
	tools/qdoc3/ditaxmlgenerator.h
	tools/qdoc3/htmlgenerator.cpp
	tools/qdoc3/htmlgenerator.h
	tools/qdoc3/node.cpp
	tools/qdoc3/pagegenerator.h

31 files changed, 445 insertions, 87 deletions

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 3323fbc27e..a4ae46b2ac 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -497,7 +497,7 @@ bool QApplicationPrivate::fade_tooltip = false;
 bool QApplicationPrivate::animate_toolbox = false;
 bool QApplicationPrivate::widgetCount = false;
 bool QApplicationPrivate::load_testability = false;
-QString QApplicationPrivate::qmljsDebugArguments;
+QString QApplicationPrivate::qmljs_debug_arguments;
 #ifdef QT_KEYPAD_NAVIGATION
 #  ifdef Q_OS_SYMBIAN
 Qt::NavigationMode QApplicationPrivate::navigationMode = Qt::NavigationModeKeypadDirectional;
@@ -570,7 +570,7 @@ void QApplicationPrivate::process_cmdline()
         if (arg == "-qdevel" || arg == "-qdebug") {
             // obsolete argument
         } else if (arg.indexOf("-qmljsdebugger=", 0) != -1) {
-            qmljsDebugArguments = QString::fromLocal8Bit(arg.right(arg.length() - 15));
+            qmljs_debug_arguments = QString::fromLocal8Bit(arg.right(arg.length() - 15));
         } else if (arg.indexOf("-style=", 0) != -1) {
             s = QString::fromLocal8Bit(arg.right(arg.length() - 7).toLower());
         } else if (arg == "-style" && i < argc-1) {
@@ -1430,10 +1430,18 @@ QStyle *QApplication::style()
         // Compile-time search for default style
         //
         QString style;
-        if (!QApplicationPrivate::styleOverride.isEmpty())
+#ifdef QT_BUILD_INTERNAL
+        QString envStyle = QString::fromLocal8Bit(qgetenv("QT_STYLE_OVERRIDE"));
+#else
+        QString envStyle;
+#endif
+        if (!QApplicationPrivate::styleOverride.isEmpty()) {
             style = QApplicationPrivate::styleOverride;
-        else
+        } else if (!envStyle.isEmpty()) {
+            style = envStyle;
+        } else {
             style = QApplicationPrivate::desktopStyleKey();
+        }
 
         QStyle *&app_style = QApplicationPrivate::app_style;
         app_style = QStyleFactory::create(style);
@@ -6086,6 +6094,11 @@ QPixmap QApplicationPrivate::getPixmapCursor(Qt::CursorShape cshape)
     return QPixmap();
 }
 
+QString QApplicationPrivate::qmljsDebugArgumentsString()
+{
+    return qmljs_debug_arguments;
+}
+
 QT_END_NAMESPACE
 
 #include "moc_qapplication.cpp"
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 9c5095d390..a0e14528a7 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -446,7 +446,8 @@ public:
     static bool animate_toolbox;
     static bool widgetCount; // Coupled with -widgetcount switch
     static bool load_testability; // Coupled with -testability switch
-    static QString qmljsDebugArguments; // a string containing arguments for js/qml debugging.
+    static QString qmljs_debug_arguments; // a string containing arguments for js/qml debugging.
+    static QString qmljsDebugArgumentsString(); // access string from other libraries
 
 #ifdef Q_WS_MAC
     static bool native_modal_dialog_active;
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 5ff2fd4a80..85965633ce 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -1425,7 +1425,7 @@ void qt_init(QApplicationPrivate * /* priv */, int)
         TInt err = CApaCommandLine::GetCommandLineFromProcessEnvironment(commandLine);
         // After this construction, CEikonEnv will be available from CEikonEnv::Static().
         // (much like our qApp).
-        CEikonEnv* coe = new CEikonEnv;
+        QtEikonEnv* coe = new QtEikonEnv;
         //not using QT_TRAP_THROWING, because coe owns the cleanupstack so it can't be pushed there.
         if(err == KErrNone)
             TRAP(err, coe->ConstructAppFromCommandLineL(factory,*commandLine));
@@ -2055,6 +2055,17 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
         }
 #endif
         break;
+#ifdef Q_SYMBIAN_SUPPORTS_SURFACES
+    case EEventUser:
+        {
+            // GOOM is looking for candidates to kill so indicate that we are
+            // capable of cleaning up by handling this event
+            TInt32 *data = reinterpret_cast<TInt32 *>(event->EventData());
+            if (data[0] == EApaSystemEventShutdown && data[1] == KGoomMemoryLowEvent)
+                return 1;
+        }
+        break;
+#endif
     default:
         break;
     }
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 78028eb1f4..10c4ed6f1b 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -3269,7 +3269,7 @@ bool QETWidget::translateMouseEvent(const MSG &msg)
         if (type == QEvent::MouseButtonPress
             && QApplication::activePopupWidget() != activePopupWidget
             && replayPopupMouseEvent) {
-            // the popup dissappeared. Replay the event
+            // the popup disappeared. Replay the event
             QWidget* w = QApplication::widgetAt(gpos.x, gpos.y);
             if (w && !QApplicationPrivate::isBlockedByModal(w)) {
                 Q_ASSERT(w->testAttribute(Qt::WA_WState_Created));
@@ -3506,7 +3506,7 @@ static void tabletInit(const quint64 uniqueId, const UINT csr_type, HCTX hTab)
 }
 #endif // QT_NO_TABLETEVENT
 
-// Update the "dynamic" informations of a cursor device (pen, airbrush, etc).
+// Update the "dynamic" information of a cursor device (pen, airbrush, etc).
 // The dynamic information is the information of QTabletDeviceData that can change
 // in time (eraser or pen if a device is turned around).
 #ifndef QT_NO_TABLETEVENT
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index d8fb74cae9..7c68170f57 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -2334,6 +2334,30 @@ void qt_init(QApplicationPrivate *priv, int,
                 X11->desktopEnvironment = DE_4DWM;
                 break;
             }
+
+            if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(),
+                               ATOM(_NET_SUPPORTING_WM_CHECK),
+                               0, 1024, False, XA_WINDOW, &type,
+                               &format, &length, &after, &data) == Success) {
+                if (type == XA_WINDOW && format == 32) {
+                    Window windowManagerWindow = *((Window*) data);
+                    XFree(data);
+                    data = 0;
+
+                    if (windowManagerWindow != XNone) {
+                        Atom utf8atom = ATOM(UTF8_STRING);
+                        if (XGetWindowProperty(QX11Info::display(), windowManagerWindow, ATOM(_NET_WM_NAME),
+                                               0, 1024, False, utf8atom, &type,
+                                               &format, &length, &after, &data) == Success) {
+                            if (type == utf8atom && format == 8) {
+                                if (qstrcmp((const char *)data, "MCompositor") == 0)
+                                    X11->desktopEnvironment = DE_MEEGO_COMPOSITOR;
+                            }
+                        }
+                    }
+                }
+            }
+
         } while(0);
 
         if (data)
@@ -3742,7 +3766,7 @@ int QApplication::x11ProcessEvent(XEvent* event)
                 // toplevel reparented...
                 QWidget *newparent = QWidget::find(event->xreparent.parent);
                 if (! newparent || (newparent->windowType() == Qt::Desktop)) {
-                    // we dont' know about the new parent (or we've been
+                    // we don't know about the new parent (or we've been
                     // reparented to root), perhaps a window manager
                     // has been (re)started?  reset the focus model to unknown
                     X11->focus_model = QX11Data::FM_Unknown;
diff --git a/src/gui/kernel/qclipboard_mac.cpp b/src/gui/kernel/qclipboard_mac.cpp
index 49a6cc81d7..482a3a3be4 100644
--- a/src/gui/kernel/qclipboard_mac.cpp
+++ b/src/gui/kernel/qclipboard_mac.cpp
@@ -623,7 +623,7 @@ QMacPasteboard::sync() const
 
 #ifdef DEBUG_PASTEBOARD
     if(fromGlobal)
-        qDebug("Pasteboard: Syncronize!");
+        qDebug("Pasteboard: Synchronize!");
 #endif
     return fromGlobal;
 }
diff --git a/src/gui/kernel/qclipboard_s60.cpp b/src/gui/kernel/qclipboard_s60.cpp
index f07e06652f..73280b264e 100644
--- a/src/gui/kernel/qclipboard_s60.cpp
+++ b/src/gui/kernel/qclipboard_s60.cpp
@@ -50,16 +50,18 @@
 #include "qwidget.h"
 #include "qevent.h"
 #include "private/qcore_symbian_p.h"
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include "txtclipboard.h"
+#endif
+#include "txtetext.h"
 #include <QtDebug>
 
 // Symbian's clipboard
 #include <baclipb.h>
 QT_BEGIN_NAMESPACE
 
-//###  Mime Type mapping to UIDs
-
 const TUid KQtCbDataStream = {0x2001B2DD};
-
+const TInt KPlainTextBegin = 0;
 
 class QClipboardData
 {
@@ -141,7 +143,6 @@ void writeToStreamLX(const QMimeData* aData, RWriteStream& aStream)
     {
         HBufC* stringData = TPtrC(reinterpret_cast<const TUint16*>((*iter).utf16())).AllocLC();
         QByteArray ba = aData->data((*iter));
-        qDebug() << "copy to clipboard mime: " << *iter << " data: " << ba;
         // mime type
         aStream << TCardinality(stringData->Size());
         aStream << *(stringData);
@@ -152,6 +153,43 @@ void writeToStreamLX(const QMimeData* aData, RWriteStream& aStream)
     }
 }
 
+void writeToSymbianStoreLX(const QMimeData* aData, CClipboard* clipboard)
+{
+    // This function both leaves and throws exceptions. There must be no destructor
+    // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects.
+    if (aData->hasText()) {
+        CPlainText* text = CPlainText::NewL();
+        CleanupStack::PushL(text);
+
+        TPtrC textPtr(qt_QString2TPtrC(aData->text()));
+        text->InsertL(KPlainTextBegin, textPtr);
+        text->CopyToStoreL(clipboard->Store(), clipboard->StreamDictionary(),
+                           KPlainTextBegin, textPtr.Length());
+        CleanupStack::PopAndDestroy(text);
+    }
+}
+
+void readSymbianStoreLX(QMimeData* aData, CClipboard* clipboard)
+{
+    // This function both leaves and throws exceptions. There must be no destructor
+    // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects.
+    CPlainText* text = CPlainText::NewL();
+    CleanupStack::PushL(text);
+    TInt dataLength = text->PasteFromStoreL(clipboard->Store(), clipboard->StreamDictionary(),
+                                            KPlainTextBegin);
+    if (dataLength == 0) {
+        User::Leave(KErrNotFound);
+    }
+    HBufC* hBuf = HBufC::NewL(dataLength);
+    TPtr buf = hBuf->Des();
+    text->Extract(buf, KPlainTextBegin, dataLength);
+
+    QString string = qt_TDesC2QString(buf);
+    CleanupStack::PopAndDestroy(text);
+
+    aData->setText(string);
+}
+
 void readFromStreamLX(QMimeData* aData,RReadStream& aStream)
 {
     // This function both leaves and throws exceptions. There must be no destructor
@@ -174,7 +212,6 @@ void readFromStreamLX(QMimeData* aData,RReadStream& aStream)
         ba.reserve(dataSize);
         aStream.ReadL(reinterpret_cast<uchar*>(ba.data_ptr()->data),dataSize);
         ba.data_ptr()->size = dataSize;
-        qDebug() << "paste from clipboard mime: " << mimeType << " data: " << ba;
         aData->setData(mimeType,ba);
     }
 }
@@ -192,23 +229,42 @@ const QMimeData* QClipboard::mimeData(Mode mode) const
 {
     if (mode != Clipboard) return 0;
     QClipboardData *d = clipboardData();
+    bool dataExists(false);
     if (d)
     {
         TRAPD(err,{
             RFs fs = qt_s60GetRFs();
             CClipboard* cb = CClipboard::NewForReadingLC(fs);
             Q_ASSERT(cb);
+            //stream for qt
             RStoreReadStream stream;
             TStreamId stid = (cb->StreamDictionary()).At(KQtCbDataStream);
-            stream.OpenLC(cb->Store(),stid);
-            QT_TRYCATCH_LEAVING(readFromStreamLX(d->source(),stream));
-            CleanupStack::PopAndDestroy(2,cb);
-            return d->source();
+            if (stid != 0) {
+                stream.OpenLC(cb->Store(),stid);
+                QT_TRYCATCH_LEAVING(readFromStreamLX(d->source(),stream));
+                CleanupStack::PopAndDestroy(&stream);
+                dataExists = true;
+            }
+            else {
+                //symbian clipboard
+                RStoreReadStream symbianStream;
+                TStreamId symbianStId = (cb->StreamDictionary()).At(KClipboardUidTypePlainText);
+                if (symbianStId != 0) {
+                    symbianStream.OpenLC(cb->Store(), symbianStId);
+                    QT_TRYCATCH_LEAVING(readSymbianStoreLX(d->source(), cb));
+                    CleanupStack::PopAndDestroy(&symbianStream);
+                    dataExists = true;
+                }
+            }
+            CleanupStack::PopAndDestroy(cb);
         });
         if (err != KErrNone){
             qDebug()<< "clipboard is empty/err: " << err;
         }
 
+        if (dataExists) {
+            return d->source();
+        }
     }
     return 0;
 }
@@ -223,6 +279,7 @@ void QClipboard::setMimeData(QMimeData* src, Mode mode)
         TRAPD(err,{
             RFs fs = qt_s60GetRFs();
             CClipboard* cb = CClipboard::NewForWritingLC(fs);
+            //stream for qt
             RStoreWriteStream  stream;
             TStreamId stid = stream.CreateLC(cb->Store());
             QT_TRYCATCH_LEAVING(writeToStreamLX(src,stream));
@@ -230,7 +287,14 @@ void QClipboard::setMimeData(QMimeData* src, Mode mode)
             stream.CommitL();
             (cb->StreamDictionary()).AssignL(KQtCbDataStream,stid);
             cb->CommitL();
-            CleanupStack::PopAndDestroy(2,cb);
+
+            //stream for symbian
+            RStoreWriteStream symbianStream;
+            TStreamId symbianStId = symbianStream.CreateLC(cb->Store());
+            QT_TRYCATCH_LEAVING(writeToSymbianStoreLX(src, cb));
+            (cb->StreamDictionary()).AssignL(KClipboardUidTypePlainText, symbianStId);
+            cb->CommitL();
+            CleanupStack::PopAndDestroy(3,cb);
         });
         if (err != KErrNone){
             qDebug()<< "clipboard write err :" << err;
diff --git a/src/gui/kernel/qclipboard_win.cpp b/src/gui/kernel/qclipboard_win.cpp
index 63ca9e59cf..c2e29fdb25 100644
--- a/src/gui/kernel/qclipboard_win.cpp
+++ b/src/gui/kernel/qclipboard_win.cpp
@@ -141,7 +141,7 @@ public:
         clipBoardViewer = new QWidget();
         clipBoardViewer->createWinId();
         clipBoardViewer->setObjectName(QLatin1String("internal clipboard owner"));
-        // We dont need this internal widget to appear in QApplication::topLevelWidgets()
+        // We don't need this internal widget to appear in QApplication::topLevelWidgets()
         if (QWidgetPrivate::allWidgets)
             QWidgetPrivate::allWidgets->remove(clipBoardViewer);
     }
diff --git a/src/gui/kernel/qclipboard_x11.cpp b/src/gui/kernel/qclipboard_x11.cpp
index 55548efd27..62c861d916 100644
--- a/src/gui/kernel/qclipboard_x11.cpp
+++ b/src/gui/kernel/qclipboard_x11.cpp
@@ -132,7 +132,7 @@ void setupOwner()
     requestor = new QWidget(0);
     requestor->createWinId();
     requestor->setObjectName(QLatin1String("internal clipboard requestor"));
-    // We dont need this internal widgets to appear in QApplication::topLevelWidgets()
+    // We don't need this internal widgets to appear in QApplication::topLevelWidgets()
     if (QWidgetPrivate::allWidgets) {
         QWidgetPrivate::allWidgets->remove(owner);
         QWidgetPrivate::allWidgets->remove(requestor);
@@ -769,7 +769,7 @@ QByteArray QX11Data::clipboardReadIncrementalProperty(Window win, Atom property,
     delete requestor;
     requestor = new QWidget(0);
     requestor->setObjectName(QLatin1String("internal clipboard requestor"));
-    // We dont need this internal widget to appear in QApplication::topLevelWidgets()
+    // We don't need this internal widget to appear in QApplication::topLevelWidgets()
     if (QWidgetPrivate::allWidgets)
         QWidgetPrivate::allWidgets->remove(requestor);
 
diff --git a/src/gui/kernel/qcocoamenuloader_mac.mm b/src/gui/kernel/qcocoamenuloader_mac.mm
index 8d38f4511d..4bf6ed9832 100644
--- a/src/gui/kernel/qcocoamenuloader_mac.mm
+++ b/src/gui/kernel/qcocoamenuloader_mac.mm
@@ -89,7 +89,7 @@ QT_USE_NAMESPACE
 - (void)ensureAppMenuInMenu:(NSMenu *)menu
 {
     // The application menu is the menu in the menu bar that contains the
-    // 'Quit' item. When changing menu bar (e.g when swithing between
+    // 'Quit' item. When changing menu bar (e.g when switching between
     // windows with different menu bars), we never recreate this menu, but
     // instead pull it out the current menu bar and place into the new one:
     NSMenu *mainMenu = [NSApp mainMenu];
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index a552ce7f6f..f759fe0cc0 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -939,10 +939,6 @@ static int qCocoaViewCount = 0;
         }
     }
 #endif //QT_NO_WHEELEVENT
-
-    if (!wheelOK) {
-        return [super scrollWheel:theEvent];
-    }
 }
 
 - (void)tabletProximity:(NSEvent *)tabletEvent
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index eade02e7a3..7fdb92680d 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -1970,7 +1970,7 @@ void QInputMethodEvent::setCommitString(const QString &commitString, int replace
   is usually given by a wheel on 4D mouse. If the device does not support a
   Z-axis, pass zero here.
 
-  The \a tangentialPressure paramater contins the tangential pressure of an air
+  The \a tangentialPressure parameter contins the tangential pressure of an air
   brush. If the device does not support tangential pressure, pass 0 here.
 
   \a rotation contains the device's rotation in degrees. 4D mice support
diff --git a/src/gui/kernel/qeventdispatcher_s60.cpp b/src/gui/kernel/qeventdispatcher_s60.cpp
index bc787b81fb..77ebd0de42 100644
--- a/src/gui/kernel/qeventdispatcher_s60.cpp
+++ b/src/gui/kernel/qeventdispatcher_s60.cpp
@@ -45,6 +45,62 @@
 
 QT_BEGIN_NAMESPACE
 
+QtEikonEnv::QtEikonEnv()
+    : m_lastIterationCount(0)
+    , m_savedStatusCode(KRequestPending)
+    , m_hasAlreadyRun(false)
+{
+}
+
+QtEikonEnv::~QtEikonEnv()
+{
+}
+
+void QtEikonEnv::RunL()
+{
+    QEventDispatcherS60 *dispatcher = qobject_cast<QEventDispatcherS60 *>(QAbstractEventDispatcher::instance());
+    if (!dispatcher) {
+        CEikonEnv::RunL();
+        return;
+    }
+
+    if (m_lastIterationCount != dispatcher->iterationCount()) {
+        m_hasAlreadyRun = false;
+        m_lastIterationCount = dispatcher->iterationCount();
+    }
+
+    if (m_hasAlreadyRun) {
+        // Fool the active scheduler into believing we are still waiting for events.
+        // The window server thinks we are not, however.
+        m_savedStatusCode = iStatus.Int();
+        iStatus = KRequestPending;
+        SetActive();
+        dispatcher->queueDeferredActiveObjectsCompletion();
+    } else {
+        m_hasAlreadyRun = true;
+        CEikonEnv::RunL();
+    }
+}
+
+void QtEikonEnv::DoCancel()
+{
+    complete();
+
+    CEikonEnv::DoCancel();
+}
+
+void QtEikonEnv::complete()
+{
+    if (m_hasAlreadyRun) {
+        if (m_savedStatusCode != KRequestPending) {
+            TRequestStatus *status = &iStatus;
+            QEventDispatcherSymbian::RequestComplete(status, m_savedStatusCode);
+            m_savedStatusCode = KRequestPending;
+        }
+        m_hasAlreadyRun = false;
+    }
+}
+
 QEventDispatcherS60::QEventDispatcherS60(QObject *parent)
     : QEventDispatcherSymbian(parent),
       m_noInputEvents(false)
@@ -127,4 +183,14 @@ void QEventDispatcherS60::removeInputEventsForWidget(QObject *object)
     }
 }
 
+// reimpl
+void QEventDispatcherS60::reactivateDeferredActiveObjects()
+{
+    if (S60->qtOwnsS60Environment) {
+        static_cast<QtEikonEnv *>(CCoeEnv::Static())->complete();
+    }
+
+    QEventDispatcherSymbian::reactivateDeferredActiveObjects();
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qeventdispatcher_s60_p.h b/src/gui/kernel/qeventdispatcher_s60_p.h
index d2f327c4fc..c14fef0643 100644
--- a/src/gui/kernel/qeventdispatcher_s60_p.h
+++ b/src/gui/kernel/qeventdispatcher_s60_p.h
@@ -56,8 +56,30 @@
 #include <private/qeventdispatcher_symbian_p.h>
 #include "qt_s60_p.h"
 
+#include <eikenv.h>
+
 QT_BEGIN_NAMESPACE
 
+class QEventDispatcherS60;
+
+class QtEikonEnv : public CEikonEnv
+{
+public:
+    QtEikonEnv();
+    ~QtEikonEnv();
+
+    // from CActive.
+    void RunL();
+    void DoCancel();
+
+    void complete();
+
+private:
+    int m_lastIterationCount;
+    TInt m_savedStatusCode;
+    bool m_hasAlreadyRun;
+};
+
 class Q_GUI_EXPORT QEventDispatcherS60 : public QEventDispatcherSymbian
 {
     Q_OBJECT
@@ -73,6 +95,8 @@ public:
 
     void saveInputEvent(QSymbianControl *control, QWidget *widget, QInputEvent *event);
 
+    void reactivateDeferredActiveObjects();
+
 private:
     bool sendDeferredInputEvents();
 
diff --git a/src/gui/kernel/qgesture.cpp b/src/gui/kernel/qgesture.cpp
index 5725a228a0..e3339c4d83 100644
--- a/src/gui/kernel/qgesture.cpp
+++ b/src/gui/kernel/qgesture.cpp
@@ -260,6 +260,27 @@ QGesture::GestureCancelPolicy QGesture::gestureCancelPolicy() const
 
 /*!
     \property QPanGesture::acceleration
+    \brief the acceleration in the motion of the touch point for this gesture
+*/
+
+/*!
+    \property QPanGesture::horizontalVelocity
+    \brief the horizontal component of the motion of the touch point for this
+    gesture
+    \since 4.7.1
+    \internal
+
+    \sa verticalVelocity, acceleration
+*/
+
+/*!
+    \property QPanGesture::verticalVelocity
+    \brief the vertical component of the motion of the touch point for this
+    gesture
+    \since 4.7.1
+    \internal
+
+    \sa horizontalVelocity, acceleration
 */
 
 /*!
@@ -633,6 +654,12 @@ void QPinchGesture::setRotationAngle(qreal value)
 */
 
 /*!
+    \property QSwipeGesture::velocity
+    \since 4.7.1
+    \internal
+*/
+
+/*!
     \internal
 */
 QSwipeGesture::QSwipeGesture(QObject *parent)
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 6dd8127690..46450b197f 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -171,9 +171,13 @@ void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType typ
             foreach (QGesture *g, gestures) {
                 m_deletedRecognizers.remove(g);
                 m_gestureToRecognizer.remove(g);
+                m_maybeGestures.remove(g);
+                m_activeGestures.remove(g);
+                m_gestureOwners.remove(g);
+                m_gestureTargets.remove(g);
+                m_gesturesToDelete.insert(g);
             }
 
-            qDeleteAll(gestures);
             iter = m_objectGestures.erase(iter);
         } else {
             ++iter;
@@ -185,7 +189,7 @@ void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType typ
 QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recognizer, Qt::GestureType type)
 {
     // if the widget is being deleted we should be careful not to
-    // create a new state, as it will create QWeakPointer which doesnt work
+    // create a new state, as it will create QWeakPointer which doesn't work
     // from the destructor.
     if (object->isWidgetType()) {
         if (static_cast<QWidget *>(object)->d_func()->data.in_destructor)
@@ -381,6 +385,11 @@ bool QGestureManager::filterEventThroughContexts(const QMultiMap<QObject *,
         recycle(gesture);
         m_gestureTargets.remove(gesture);
     }
+
+    //Clean up the Gestures
+    qDeleteAll(m_gesturesToDelete);
+    m_gesturesToDelete.clear();
+
     return ret;
 }
 
@@ -443,7 +452,8 @@ void QGestureManager::cancelGesturesForChildren(QGesture *original)
 void QGestureManager::cleanupGesturesForRemovedRecognizer(QGesture *gesture)
 {
     QGestureRecognizer *recognizer = m_deletedRecognizers.value(gesture);
-    Q_ASSERT(recognizer);
+    if(!recognizer) //The Gesture is removed while in the even loop, so the recognizers for this gestures was removed
+        return;
     m_deletedRecognizers.remove(gesture);
     if (m_deletedRecognizers.keys(recognizer).isEmpty()) {
         // no more active gestures, cleanup!
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h
index 0d84b67434..92310f5f0b 100644
--- a/src/gui/kernel/qgesturemanager_p.h
+++ b/src/gui/kernel/qgesturemanager_p.h
@@ -101,7 +101,7 @@ private:
         NotGesture,
         MaybeGesture // this means timers are up and waiting for some
                      // more events, and input events are handled by
-                     // gesture recognizer explicitely
+                     // gesture recognizer explicitly
     } state;
 
     struct ObjectGesture
@@ -130,6 +130,7 @@ private:
 
     QHash<QGestureRecognizer *, QSet<QGesture *> > m_obsoleteGestures;
     QHash<QGesture *, QGestureRecognizer *> m_deletedRecognizers;
+    QSet<QGesture *> m_gesturesToDelete;
     void cleanupGesturesForRemovedRecognizer(QGesture *gesture);
 
     QGesture *getState(QObject *widget, QGestureRecognizer *recognizer,
diff --git a/src/gui/kernel/qguiplatformplugin.cpp b/src/gui/kernel/qguiplatformplugin.cpp
index 2dd251bcd7..c80c6d36e2 100644
--- a/src/gui/kernel/qguiplatformplugin.cpp
+++ b/src/gui/kernel/qguiplatformplugin.cpp
@@ -187,7 +187,7 @@ QString QGuiPlatformPlugin::styleName()
 #endif
 }
 
-/* return an aditional default palette  (only work on X11) */
+/* return an additional default palette  (only work on X11) */
 QPalette QGuiPlatformPlugin::palette()
 {
 #ifdef Q_WS_X11
diff --git a/src/gui/kernel/qkeymapper_mac.cpp b/src/gui/kernel/qkeymapper_mac.cpp
index 3dc6afc88a..b8f08bfcd4 100644
--- a/src/gui/kernel/qkeymapper_mac.cpp
+++ b/src/gui/kernel/qkeymapper_mac.cpp
@@ -749,7 +749,7 @@ bool QKeyMapperPrivate::translateKeyEvent(QWidget *widget, EventHandlerCallRef e
         }
         return false;
     }
-    // Once we process the key down , we dont need to send the saved event again from
+    // Once we process the key down , we don't need to send the saved event again from
     // kEventTextInputUnicodeForKeyEvent, so clear it.
     if (currentContext && ekind == kEventRawKeyDown) {
         QMacInputContext *context = qobject_cast<QMacInputContext*>(currentContext);
@@ -765,7 +765,7 @@ bool QKeyMapperPrivate::translateKeyEvent(QWidget *widget, EventHandlerCallRef e
                                   &handled_event) == false)
         return handled_event;
     QString text(ourChar);
-    /* This is actually wrong - but unfortunatly it is the best that can be
+    /* This is actually wrong - but unfortunately it is the best that can be
        done for now because of the Control/Meta mapping problems */
     if (modifiers & (Qt::ControlModifier | Qt::MetaModifier)
         && !qApp->testAttribute(Qt::AA_MacDontSwapCtrlAndMeta)) {
diff --git a/src/gui/kernel/qkeysequence.cpp b/src/gui/kernel/qkeysequence.cpp
index 50b2354156..bf3eddde23 100644
--- a/src/gui/kernel/qkeysequence.cpp
+++ b/src/gui/kernel/qkeysequence.cpp
@@ -1105,7 +1105,7 @@ QKeySequence QKeySequence::mnemonic(const QString &text)
 #else
                     found = true;
                 } else {
-                    qWarning("QKeySequence::mnemonic: \"%s\" contains multiple occurences of '&'", qPrintable(text));
+                    qWarning("QKeySequence::mnemonic: \"%s\" contains multiple occurrences of '&'", qPrintable(text));
 #endif
                 }
             }
diff --git a/src/gui/kernel/qmotifdnd_x11.cpp b/src/gui/kernel/qmotifdnd_x11.cpp
index 333445501d..3b79129468 100644
--- a/src/gui/kernel/qmotifdnd_x11.cpp
+++ b/src/gui/kernel/qmotifdnd_x11.cpp
@@ -385,7 +385,10 @@ static void DndReadSourceProperty(Display * dpy,
 static void DndWriteReceiverProperty(Display * dpy, Window window,
                                      unsigned char protocol_style)
 {
-    DndReceiverProp receiver_prop ;
+    DndReceiverProp receiver_prop;
+
+    // squelch potential valgrind errors about uninitialized reads
+    memset(&receiver_prop, 0, sizeof(receiver_prop));
 
     receiver_prop.byte_order = DndByteOrder() ;
     receiver_prop.protocol_version = DND_PROTOCOL_VERSION;
diff --git a/src/gui/kernel/qsoftkeymanager_s60.cpp b/src/gui/kernel/qsoftkeymanager_s60.cpp
index fee1580082..c81d75f6af 100644
--- a/src/gui/kernel/qsoftkeymanager_s60.cpp
+++ b/src/gui/kernel/qsoftkeymanager_s60.cpp
@@ -265,7 +265,7 @@ bool QSoftKeyManagerPrivateS60::setSoftkeyImage(CEikButtonGroupContainer *cba,
             CFbsBitmap* nMask = softkeyAlpha.toSymbianCFbsBitmap();
 
             CEikImage* myimage = new (ELeave) CEikImage;
-            myimage->SetPicture( nBitmap, nMask ); // nBitmap and nMask ownership transfered
+            myimage->SetPicture( nBitmap, nMask ); // nBitmap and nMask ownership transferred
 
             EikSoftkeyImage::SetImage(cba, *myimage, left); // Takes myimage ownership
             cbaHasImage[position] = true;
diff --git a/src/gui/kernel/qsound_s60.cpp b/src/gui/kernel/qsound_s60.cpp
index df2830bc4e..accfce2dd0 100644
--- a/src/gui/kernel/qsound_s60.cpp
+++ b/src/gui/kernel/qsound_s60.cpp
@@ -150,7 +150,7 @@ void QAuServerS60::playCompleted(QAuBucketS60 *bucket, int error)
     } else {
         // We don't have a way to inform about errors -> just decrement loops
         // in order that QSound::isFinished will return true;
-        while (decLoop(sound)) {}
+        while (decLoop(sound) > 0) {}
         if (staticPlayingSounds.removeAll(sound))
             delete sound;
     }
diff --git a/src/gui/kernel/qstandardgestures.cpp b/src/gui/kernel/qstandardgestures.cpp
index 893ba2b282..48b7ac1c35 100644
--- a/src/gui/kernel/qstandardgestures.cpp
+++ b/src/gui/kernel/qstandardgestures.cpp
@@ -194,29 +194,28 @@ QGestureRecognizer::Result QPinchGestureRecognizer::recognize(QGesture *state,
             d->hotSpot = p1.screenPos();
             d->isHotSpotSet = true;
 
+            QPointF centerPoint = (p1.screenPos() + p2.screenPos()) / 2.0;
             if (d->isNewSequence) {
                 d->startPosition[0] = p1.screenPos();
                 d->startPosition[1] = p2.screenPos();
+                d->lastCenterPoint = centerPoint;
+            } else {
+                d->lastCenterPoint = d->centerPoint;
             }
-            QLineF line(p1.screenPos(), p2.screenPos());
-            QLineF lastLine(p1.lastScreenPos(),  p2.lastScreenPos());
-            QLineF tmp(line);
-            tmp.setLength(line.length() / 2.);
-            QPointF centerPoint = tmp.p2();
-
-            d->lastCenterPoint = d->centerPoint;
             d->centerPoint = centerPoint;
-            d->changeFlags |= QPinchGesture::CenterPointChanged;
 
-            const qreal scaleFactor = line.length() / lastLine.length();
+            d->changeFlags |= QPinchGesture::CenterPointChanged;
 
             if (d->isNewSequence) {
-                d->lastScaleFactor = scaleFactor;
+                d->scaleFactor = 1.0;
+                d->lastScaleFactor = 1.0;
             } else {
                 d->lastScaleFactor = d->scaleFactor;
+                QLineF line(p1.screenPos(), p2.screenPos());
+                QLineF lastLine(p1.lastScreenPos(),  p2.lastScreenPos());
+                d->scaleFactor = line.length() / lastLine.length();
             }
-            d->scaleFactor = scaleFactor;
-            d->totalScaleFactor = d->totalScaleFactor * scaleFactor;
+            d->totalScaleFactor = d->totalScaleFactor * d->scaleFactor;
             d->changeFlags |= QPinchGesture::ScaleFactorChanged;
 
             qreal angle = QLineF(p1.screenPos(), p2.screenPos()).angle();
@@ -227,7 +226,7 @@ QGestureRecognizer::Result QPinchGestureRecognizer::recognize(QGesture *state,
                 startAngle -= 360;
             const qreal rotationAngle = startAngle - angle;
             if (d->isNewSequence)
-                d->lastRotationAngle = rotationAngle;
+                d->lastRotationAngle = 0.0;
             else
                 d->lastRotationAngle = d->rotationAngle;
             d->rotationAngle = rotationAngle;
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index d62d9c3d48..56c8094819 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -338,6 +338,7 @@ enum DesktopEnvironment {
     DE_KDE,
     DE_GNOME,
     DE_CDE,
+    DE_MEEGO_COMPOSITOR,
     DE_4DWM
 };
 
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index f7c795e34a..c5f64e5d52 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -68,6 +68,7 @@
 # include "qt_cocoa_helpers_mac_p.h"
 # include "qmainwindow.h"
 # include "qtoolbar.h"
+# include <private/qmainwindowlayout_p.h>
 #endif
 #if defined(Q_WS_QWS)
 # include "qwsdisplay_qws.h"
@@ -235,6 +236,17 @@ void QWidgetBackingStoreTracker::unregisterWidget(QWidget *w)
     }
 }
 
+/*!
+    \internal
+    Recursively remove widget and all of its descendents.
+ */
+void QWidgetBackingStoreTracker::unregisterWidgetSubtree(QWidget *widget)
+{
+    unregisterWidget(widget);
+    foreach (QObject *child, widget->children())
+        if (QWidget *childWidget = qobject_cast<QWidget *>(child))
+            unregisterWidgetSubtree(childWidget);
+}
 
 QWidgetPrivate::QWidgetPrivate(int version)
     : QObjectPrivate(version)
@@ -325,15 +337,27 @@ QWidgetPrivate::~QWidgetPrivate()
 #endif //QT_NO_GRAPHICSEFFECT
 }
 
+class QDummyWindowSurface : public QWindowSurface
+{
+public:
+    QDummyWindowSurface(QWidget *window) : QWindowSurface(window) {}
+    QPaintDevice *paintDevice() { return window(); }
+    void flush(QWidget *, const QRegion &, const QPoint &) {}
+};
+
 QWindowSurface *QWidgetPrivate::createDefaultWindowSurface()
 {
     Q_Q(QWidget);
 
     QWindowSurface *surface;
-    if (QApplicationPrivate::graphicsSystem())
-        surface = QApplicationPrivate::graphicsSystem()->createWindowSurface(q);
-    else
-        surface = createDefaultWindowSurface_sys();
+    if (q->property("_q_DummyWindowSurface").toBool()) {
+        surface = new QDummyWindowSurface(q);
+    } else {
+        if (QApplicationPrivate::graphicsSystem())
+            surface = QApplicationPrivate::graphicsSystem()->createWindowSurface(q);
+        else
+            surface = createDefaultWindowSurface_sys();
+    }
 
     return surface;
 }
@@ -1649,13 +1673,8 @@ void QWidgetPrivate::setWinId(WId id)                // set widget identifier
     }
 
     if(oldWinId != id) {
-        // Do not emit an event when the old winId is destroyed.  This only
-        // happens (a) during widget destruction, and (b) immediately prior
-        // to creation of a new winId, for example as a result of re-parenting.
-        if(id != 0) {
-            QEvent e(QEvent::WinIdChange);
-            QCoreApplication::sendEvent(q, &e);
-        }
+        QEvent e(QEvent::WinIdChange);
+        QCoreApplication::sendEvent(q, &e);
     }
 }
 
@@ -3002,6 +3021,15 @@ bool QWidget::isFullScreen() const
 */
 void QWidget::showFullScreen()
 {
+#ifdef Q_WS_MAC
+    // If the unified toolbar is enabled, we have to disable it before going fullscreen.
+    QMainWindow *mainWindow = qobject_cast<QMainWindow*>(this);
+    if (mainWindow && mainWindow->unifiedTitleAndToolBarOnMac()) {
+        mainWindow->setUnifiedTitleAndToolBarOnMac(false);
+        QMainWindowLayout *mainLayout = qobject_cast<QMainWindowLayout*>(mainWindow->layout());
+        mainLayout->activateUnifiedToolbarAfterFullScreen = true;
+    }
+#endif // Q_WS_MAC
     ensurePolished();
 #ifdef QT3_SUPPORT
     if (parent())
@@ -3034,6 +3062,18 @@ void QWidget::showMaximized()
 
     setWindowState((windowState() & ~(Qt::WindowMinimized | Qt::WindowFullScreen))
                    | Qt::WindowMaximized);
+#ifdef Q_WS_MAC
+    // If the unified toolbar was enabled before going fullscreen, we have to enable it back.
+    QMainWindow *mainWindow = qobject_cast<QMainWindow*>(this);
+    if (mainWindow)
+    {
+        QMainWindowLayout *mainLayout = qobject_cast<QMainWindowLayout*>(mainWindow->layout());
+        if (mainLayout->activateUnifiedToolbarAfterFullScreen) {
+            mainWindow->setUnifiedTitleAndToolBarOnMac(true);
+            mainLayout->activateUnifiedToolbarAfterFullScreen = false;
+        }
+    }
+#endif // Q_WS_MAC
     show();
 }
 
@@ -3055,6 +3095,18 @@ void QWidget::showNormal()
     setWindowState(windowState() & ~(Qt::WindowMinimized
                                      | Qt::WindowMaximized
                                      | Qt::WindowFullScreen));
+#ifdef Q_WS_MAC
+    // If the unified toolbar was enabled before going fullscreen, we have to enable it back.
+    QMainWindow *mainWindow = qobject_cast<QMainWindow*>(this);
+    if (mainWindow)
+    {
+        QMainWindowLayout *mainLayout = qobject_cast<QMainWindowLayout*>(mainWindow->layout());
+        if (mainLayout->activateUnifiedToolbarAfterFullScreen) {
+            mainWindow->setUnifiedTitleAndToolBarOnMac(true);
+            mainLayout->activateUnifiedToolbarAfterFullScreen = false;
+        }
+    }
+#endif // Q_WS_MAC
     show();
 }
 
@@ -8779,7 +8831,7 @@ void QWidget::mousePressEvent(QMouseEvent *event)
         QWidget* w;
         while ((w = QApplication::activePopupWidget()) && w != this){
             w->close();
-            if (QApplication::activePopupWidget() == w) // widget does not want to dissappear
+            if (QApplication::activePopupWidget() == w) // widget does not want to disappear
                 w->hide(); // hide at least
         }
         if (!rect().contains(event->pos())){
@@ -9248,7 +9300,7 @@ void QWidget::setInputMethodHints(Qt::InputMethodHints hints)
 #ifndef QT_NO_IM
     Q_D(QWidget);
     d->imHints = hints;
-    // Optimisation to update input context only it has already been created.
+    // Optimization to update input context only it has already been created.
     if (d->ic || qApp->d_func()->inputContext) {
         QInputContext *ic = inputContext();
         if (ic)
@@ -9997,7 +10049,16 @@ void QWidget::setParent(QWidget *parent, Qt::WindowFlags f)
     if (newParent && isAncestorOf(focusWidget()))
         focusWidget()->clearFocus();
 
+    QTLWExtra *oldTopExtra = window()->d_func()->maybeTopData();
+    QWidgetBackingStoreTracker *oldBsTracker = oldTopExtra ? &oldTopExtra->backingStore : 0;
+
     d->setParent_sys(parent, f);
+
+    QTLWExtra *topExtra = window()->d_func()->maybeTopData();
+    QWidgetBackingStoreTracker *bsTracker = topExtra ? &topExtra->backingStore : 0;
+    if (oldBsTracker && oldBsTracker != bsTracker)
+        oldBsTracker->unregisterWidgetSubtree(this);
+
     if (desktopWidget)
         parent = 0;
 
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 1e2aa9f848..997419b5e9 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -2794,19 +2794,38 @@ void QWidgetPrivate::transferChildren()
 #ifdef QT_MAC_USE_COCOA
 void QWidgetPrivate::setSubWindowStacking(bool set)
 {
+    // This will set/remove a visual relationship between parent and child on screen.
+    // The reason for doing this is to ensure that a child always stacks infront of
+    // its parent. Unfortunatly is turns out that [NSWindow addChildWindow] has
+    // several unwanted side-effects, one of them being the moving of a child when
+    // moving the parent, which we choose to accept. A way tougher side-effect is
+    // that Cocoa will hide the parent if you hide the child. And in the case of
+    // a tool window, since it will normally hide when you deactivate the
+    // application, Cocoa will hide the parent upon deactivate as well. The result often
+    // being no more visible windows on screen. So, to make a long story short, we only
+    // allow parent-child relationships between windows that both are either a plain window
+    // or a dialog.
+
     Q_Q(QWidget);
-    if (!q->isWindow() || !q->testAttribute(Qt::WA_WState_Created))
+    if (!q->isWindow())
+        return;
+    NSWindow *qwin = [qt_mac_nativeview_for(q) window];
+    if (!qwin)
+        return;
+    Qt::WindowType qtype = q->windowType();
+    if (set && !(qtype == Qt::Window || qtype == Qt::Dialog))
+        return;
+    if (set && ![qwin isVisible])
         return;
 
     if (QWidget *parent = q->parentWidget()) {
-        if (parent->testAttribute(Qt::WA_WState_Created)) {
+        if (NSWindow *pwin = [qt_mac_nativeview_for(parent) window]) {
             if (set) {
-                if (parent->isVisible()) {
-                    NSWindow *childwin = qt_mac_window_for(q);
-                    [qt_mac_window_for(parent) addChildWindow:childwin ordered:NSWindowAbove];
-                }
+                Qt::WindowType ptype = parent->window()->windowType();
+                if ([pwin isVisible] && (ptype == Qt::Window || ptype == Qt::Dialog) && ![qwin parentWindow])
+                    [pwin addChildWindow:qwin ordered:NSWindowAbove];
             } else {
-                [qt_mac_window_for(parent) removeChildWindow:qt_mac_window_for(q)];
+                [pwin removeChildWindow:qwin];
             }
         }
     }
@@ -2814,12 +2833,15 @@ void QWidgetPrivate::setSubWindowStacking(bool set)
     QList<QWidget *> widgets = q->findChildren<QWidget *>();
     for (int i=0; i<widgets.size(); ++i) {
         QWidget *child = widgets.at(i);
-        if (child->isWindow() && child->testAttribute(Qt::WA_WState_Created) && child->isVisibleTo(q)) {
-            if (set) {
-                NSWindow *childwin = qt_mac_window_for(child);
-                [qt_mac_window_for(q) addChildWindow:childwin ordered:NSWindowAbove];
-            } else {
-                [qt_mac_window_for(q) removeChildWindow:qt_mac_window_for(child)];
+        if (child && child->isWindow()) {
+            if (NSWindow *cwin = [qt_mac_nativeview_for(child) window]) {
+                if (set) {
+                    Qt::WindowType ctype = child->window()->windowType();
+                    if ([cwin isVisible] && (ctype == Qt::Window || ctype == Qt::Dialog) && ![cwin parentWindow])
+                        [qwin addChildWindow:cwin ordered:NSWindowAbove];
+                } else {
+                    [qwin removeChildWindow:qt_mac_window_for(child)];
+                }
             }
         }
     }
@@ -3442,7 +3464,6 @@ void QWidgetPrivate::show_sys()
 #else
             // sync the opacity value back (in case of a fade).
             [window setAlphaValue:q->windowOpacity()];
-            setSubWindowStacking(true);
 
             QWidget *top = 0;
             if (QApplicationPrivate::tryModalHelper(q, &top)) {
@@ -3461,6 +3482,7 @@ void QWidgetPrivate::show_sys()
                         [modalWin orderFront:window];
                 }
             }
+            setSubWindowStacking(true);
 #endif
             if (q->windowType() == Qt::Popup) {
 			    if (q->focusWidget())
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 6c89659d65..6a27469e34 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -122,6 +122,7 @@ public:
 
     void registerWidget(QWidget *w);
     void unregisterWidget(QWidget *w);
+    void unregisterWidgetSubtree(QWidget *w);
 
     inline QWidgetBackingStore* data()
     {
@@ -225,6 +226,7 @@ struct QTLWExtra {
 #endif
 #elif defined(Q_OS_SYMBIAN)
     uint inExpose : 1; // Prevents drawing recursion
+    uint nativeWindowTransparencyEnabled : 1; // Tracks native window transparency
 #endif
 };
 
diff --git a/src/gui/kernel/qwidget_qws.cpp b/src/gui/kernel/qwidget_qws.cpp
index 31451362f1..c6cbbd067f 100644
--- a/src/gui/kernel/qwidget_qws.cpp
+++ b/src/gui/kernel/qwidget_qws.cpp
@@ -1017,6 +1017,30 @@ int QWidget::metric(PaintDeviceMetric m) const
             return static_cast<QWidget *>(d->parent)->metric(m);
         const QScreen *screen = d->getScreen();
         return qRound(screen->height() / double(screen->physicalHeight() / 25.4));
+    } else if (m == PdmNumColors) {
+        QScreen *screen = d->getScreen();
+        int ret = screen->colorCount();
+        if (!ret) {
+            const int depth = qwsDisplay()->depth();
+            switch (depth) {
+            case 1:
+                ret = 2;
+                break;
+            case 8:
+                ret = 256;
+                break;
+            case 16:
+                ret = 65536;
+                break;
+            case 24:
+                ret = 16777216;
+                break;
+            case 32:
+                ret = 2147483647;
+                break;
+            }
+        }
+        return ret;
     } else {
         val = QPaintDevice::metric(m);// XXX
     }
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 9a451cee01..609307c275 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -57,7 +57,7 @@
 #include <eikbtgpc.h>
 #endif
 
-// This is necessary in order to be able to perform delayed invokation on slots
+// This is necessary in order to be able to perform delayed invocation on slots
 // which take arguments of type WId.  One example is
 // QWidgetPrivate::_q_delayedDestroy, which is used to delay destruction of
 // CCoeControl objects until after the CONE event handler has finished running.
@@ -544,7 +544,7 @@ void QWidgetPrivate::show_sys()
 
         id->MakeVisible(true);
 
-        if(q->isWindow())
+        if(q->isWindow()&&!q->testAttribute(Qt::WA_ShowWithoutActivating))
             id->setFocusSafely(true);
     }
 
@@ -577,7 +577,7 @@ void QWidgetPrivate::hide_sys()
     QSymbianControl *id = static_cast<QSymbianControl *>(q->internalWinId());
 
     if (id) {
-        //Incorrect optimisation - for popup windows, Qt's focus is moved before
+        //Incorrect optimization - for popup windows, Qt's focus is moved before
         //hide_sys is called, resulting in the popup window keeping its elevated
         //position in the CONE control stack.
         //This can result in keyboard focus being in an invisible widget in some
@@ -709,7 +709,8 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
     // old_winid may not have received a 'not visible' visibility
     // changed event before being destroyed; make sure that it is
     // removed from the backing store's list of visible windows.
-    S60->controlVisibilityChanged(old_winid, false);
+    if (old_winid)
+        S60->controlVisibilityChanged(old_winid, false);
 
     setWinId(0);
 
@@ -766,17 +767,24 @@ void QWidgetPrivate::s60UpdateIsOpaque()
     if (!q->testAttribute(Qt::WA_WState_Created) || !q->testAttribute(Qt::WA_TranslucentBackground))
         return;
 
+    createTLExtra();
+
     RWindow *const window = static_cast<RWindow *>(q->effectiveWinId()->DrawableWindow());
 
 #ifdef Q_SYMBIAN_SEMITRANSPARENT_BG_SURFACE
     window->SetSurfaceTransparency(!isOpaque);
+    extra->topextra->nativeWindowTransparencyEnabled = !isOpaque;
 #else
     if (!isOpaque) {
         const TDisplayMode displayMode = static_cast<TDisplayMode>(window->SetRequiredDisplayMode(EColor16MA));
-        if (window->SetTransparencyAlphaChannel() == KErrNone)
+        if (window->SetTransparencyAlphaChannel() == KErrNone) {
             window->SetBackgroundColor(TRgb(255, 255, 255, 0));
-    } else
+            extra->topextra->nativeWindowTransparencyEnabled = 1;
+        }
+    } else if (extra->topextra->nativeWindowTransparencyEnabled) {
         window->SetTransparentRegion(TRegionFix<1>());
+        extra->topextra->nativeWindowTransparencyEnabled = 0;
+    }
 #endif
 }
 
@@ -935,6 +943,7 @@ void QWidgetPrivate::registerDropSite(bool /* on */)
 void QWidgetPrivate::createTLSysExtra()
 {
     extra->topextra->inExpose = 0;
+    extra->topextra->nativeWindowTransparencyEnabled = 0;
 }
 
 void QWidgetPrivate::deleteTLSysExtra()
diff --git a/src/gui/kernel/qx11embed_x11.cpp b/src/gui/kernel/qx11embed_x11.cpp
index 9f1b1f8f3c..e6e3bfb9f3 100644
--- a/src/gui/kernel/qx11embed_x11.cpp
+++ b/src/gui/kernel/qx11embed_x11.cpp
@@ -1136,7 +1136,7 @@ void QX11EmbedContainer::paintEvent(QPaintEvent *)
 
 /*! \internal
 
-    Returns wether or not the windows' embedded flag is set.
+    Returns whether or not the windows' embedded flag is set.
 */
 bool QX11EmbedContainerPrivate::isEmbedded() const
 {