Merge branch 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-1

31 files changed, 634 insertions, 402 deletions

diff --git a/src/gui/kernel/qaction.cpp b/src/gui/kernel/qaction.cpp
index 4b7d949..8ddd051 100644
--- a/src/gui/kernel/qaction.cpp
+++ b/src/gui/kernel/qaction.cpp
@@ -715,6 +715,10 @@ QActionGroup *QAction::actionGroup() const
     it is displayed to the left of the menu text. There is no default
     icon.
 
+    On Symbian the icons which are passed to softkeys, i.e. to actions with
+    softkey role, need to have pixmap alpha channel correctly set otherwise
+    drawing artifacts will appear when softkey is pressed down.
+
     If a null icon (QIcon::isNull() is passed into this function,
     the icon of the action is cleared.
 */
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index bb6aca9..4ec2ae2 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -122,15 +122,19 @@ extern bool qt_wince_is_pocket_pc();  //qguifunctions_wince.cpp
 static void initResources()
 {
 #if defined(Q_WS_WINCE)
+    Q_INIT_RESOURCE_EXTERN(qstyle_wince)
     Q_INIT_RESOURCE(qstyle_wince);
 #elif defined(Q_OS_SYMBIAN)
+    Q_INIT_RESOURCE_EXTERN(qstyle_s60)
     Q_INIT_RESOURCE(qstyle_s60);
 #else
+    Q_INIT_RESOURCE_EXTERN(qstyle)
     Q_INIT_RESOURCE(qstyle);
 #endif
-
+    Q_INIT_RESOURCE_EXTERN(qmessagebox)
     Q_INIT_RESOURCE(qmessagebox);
 #if !defined(QT_NO_PRINTDIALOG)
+    Q_INIT_RESOURCE_EXTERN(qprintdialog)
     Q_INIT_RESOURCE(qprintdialog);
 #endif
 
@@ -5264,10 +5268,20 @@ QInputContext *QApplication::inputContext() const
             qic = QInputContextFactory::create(QLatin1String("xim"), that);
         that->d_func()->inputContext = qic;
     }
-#elif defined(Q_WS_S60)
+#elif defined(Q_OS_SYMBIAN)
     if (!d->inputContext) {
         QApplication *that = const_cast<QApplication *>(this);
-        that->d_func()->inputContext = QInputContextFactory::create(QString::fromLatin1("coefep"), that);
+        const QStringList keys = QInputContextFactory::keys();
+        // Try hbim and coefep first, then try others.
+        if (keys.contains("hbim")) {
+            that->d_func()->inputContext = QInputContextFactory::create(QLatin1String("hbim"), that);
+        } else if (keys.contains("coefep")) {
+            that->d_func()->inputContext = QInputContextFactory::create(QLatin1String("coefep"), that);
+        } else {
+            for (int c = 0; c < keys.size() && !d->inputContext; ++c) {
+                that->d_func()->inputContext = QInputContextFactory::create(keys[c], that);
+            }
+        }
     }
 #endif
     return d->inputContext;
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index 3fba833..e511c3a 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -1237,7 +1237,7 @@ void qt_init(QApplicationPrivate *priv, int)
 
     // Cocoa application delegate
 #ifdef QT_MAC_USE_COCOA
-    NSApplication *cocoaApp = [NSApplication sharedApplication];
+    NSApplication *cocoaApp = [QNSApplication sharedApplication];
     QMacCocoaAutoReleasePool pool;
     NSObject *oldDelegate = [cocoaApp delegate];
     QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) *newDelegate = [QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) sharedDelegate];
@@ -2168,6 +2168,7 @@ QApplicationPrivate::globalEventProcessor(EventHandlerCallRef er, EventRef event
             }
 
             if (wheel_deltaX || wheel_deltaY) {
+#ifndef QT_NO_WHEELEVENT
                 if (wheel_deltaX) {
                     QWheelEvent qwe(plocal, p, wheel_deltaX, buttons, modifiers, Qt::Horizontal);
                     QApplication::sendSpontaneousEvent(widget, &qwe);
@@ -2190,6 +2191,7 @@ QApplicationPrivate::globalEventProcessor(EventHandlerCallRef er, EventRef event
                             handled_event = false;
                     }
                 }
+#endif // QT_NO_WHEELEVENT
             } else {
 #ifdef QMAC_SPEAK_TO_ME
                 const int speak_keys = Qt::AltModifier | Qt::ShiftModifier;
@@ -2764,6 +2766,7 @@ int QApplication::keyboardInputInterval()
     return QApplicationPrivate::keyboard_input_time;
 }
 
+#ifndef QT_NO_WHEELEVENT
 void QApplication::setWheelScrollLines(int n)
 {
     QApplicationPrivate::wheel_scroll_lines = n;
@@ -2773,6 +2776,7 @@ int QApplication::wheelScrollLines()
 {
     return QApplicationPrivate::wheel_scroll_lines;
 }
+#endif
 
 void QApplication::setEffectEnabled(Qt::UIEffect effect, bool enable)
 {
@@ -2935,9 +2939,11 @@ bool QApplicationPrivate::qt_mac_apply_settings()
                             QApplication::cursorFlashTime()).toInt();
         QApplication::setCursorFlashTime(num);
 
+#ifndef QT_NO_WHEELEVENT
         num = settings.value(QLatin1String("wheelScrollLines"),
                             QApplication::wheelScrollLines()).toInt();
         QApplication::setWheelScrollLines(num);
+#endif
 
         QString colorspec = settings.value(QLatin1String("colorSpec"),
                                             QVariant(QLatin1String("default"))).toString();
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index d19d86e..e0a6103 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -427,7 +427,9 @@ public:
     static int  cursor_flash_time;
     static int  mouse_double_click_time;
     static int  keyboard_input_time;
+#ifndef QT_NO_WHEELEVENT
     static int  wheel_scroll_lines;
+#endif
 
     static bool animate_ui;
     static bool animate_menu;
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 20b8030..3e2e6f6 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -809,12 +809,15 @@ TCoeInputCapabilities QSymbianControl::InputCapabilities() const
 void QSymbianControl::Draw(const TRect& controlRect) const
 {
     // Set flag to avoid calling DrawNow in window surface
-    QWExtra *extra = qwidget->d_func()->extraData();
-    if (extra && !extra->inExpose) {
-        extra->inExpose = true;
+    QWidget *window = qwidget->window();
+    Q_ASSERT(window);
+    QTLWExtra *topExtra = window->d_func()->maybeTopData();
+    Q_ASSERT(topExtra);
+    if (!topExtra->inExpose) {
+        topExtra->inExpose = true;
         QRect exposeRect = qt_TRect2QRect(controlRect);
         qwidget->d_func()->syncBackingStore(exposeRect);
-        extra->inExpose = false;
+        topExtra->inExpose = false;
     }
 
     QWindowSurface *surface = qwidget->windowSurface();
@@ -924,8 +927,8 @@ void QSymbianControl::PositionChanged()
         cr.moveTopLeft(newPos);
         qwidget->data->crect = cr;
         QTLWExtra *top = qwidget->d_func()->maybeTopData();
-        if (top)
-            top->normalGeometry = cr;
+        if (top && (qwidget->windowState() & (~Qt::WindowActive)) == Qt::WindowNoState)
+            top->normalGeometry.moveTopLeft(newPos);
         if (qwidget->isVisible()) {
             QMoveEvent e(newPos, oldPos);
             qt_sendSpontaneousEvent(qwidget, &e);
@@ -960,15 +963,14 @@ void QSymbianControl::FocusChanged(TDrawNow /* aDrawNow */)
         qwidget->d_func()->setWindowIcon_sys(true);
         qwidget->d_func()->setWindowTitle_sys(qwidget->windowTitle());
 #ifdef Q_WS_S60
-        // If widget is fullscreen, hide status pane and button container
-        // otherwise show them.
+        // If widget is fullscreen/minimized, hide status pane and button container otherwise show them.
         CEikStatusPane* statusPane = S60->statusPane();
         CEikButtonGroupContainer* buttonGroup = S60->buttonGroupContainer();
-        bool isFullscreen = qwidget->windowState() & Qt::WindowFullScreen;
-        if (statusPane && (bool)statusPane->IsVisible() == isFullscreen)
-            statusPane->MakeVisible(!isFullscreen);
-        if (buttonGroup && (bool)buttonGroup->IsVisible() == isFullscreen)
-            buttonGroup->MakeVisible(!isFullscreen);
+        TBool visible = !(qwidget->windowState() & (Qt::WindowFullScreen | Qt::WindowMinimized));
+        if (statusPane)
+            statusPane->MakeVisible(visible);
+        if (buttonGroup)
+            buttonGroup->MakeVisible(visible);
 #endif
     } else if (QApplication::activeWindow() == qwidget->window()) {
         if (CCoeEnv::Static()->AppUi()->IsDisplayingMenuOrDialog()) {
@@ -1647,6 +1649,9 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
             if (visChangedEvent->iFlags & TWsVisibilityChangedEvent::ENotVisible) {
                 delete w->d_func()->topData()->backingStore;
                 w->d_func()->topData()->backingStore = 0;
+                // In order to ensure that any resources used by the window surface
+                // are immediately freed, we flush the WSERV command buffer.
+                S60->wsSession().Flush();
             } else if ((visChangedEvent->iFlags & TWsVisibilityChangedEvent::EPartiallyVisible)
                        && !w->d_func()->maybeBackingStore()) {
                 w->d_func()->topData()->backingStore = new QWidgetBackingStore(w);
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 3355272..31d245f 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -928,7 +928,11 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
     uint style;
     bool icon;
     QString cname;
-    if (flags & Qt::MSWindowsOwnDC) {
+    if (qt_widget_private(w)->isGLWidget) {
+        cname = QLatin1String("QGLWidget");
+        style = CS_DBLCLKS;
+        icon  = true;
+    } else if (flags & Qt::MSWindowsOwnDC) {
         cname = QLatin1String("QWidgetOwnDC");
         style = CS_DBLCLKS;
 #ifndef Q_WS_WINCE
@@ -1021,7 +1025,7 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
     }
     wc.hCursor      = 0;
 #ifndef Q_WS_WINCE
-    wc.hbrBackground = (HBRUSH)GetSysColorBrush(COLOR_WINDOW);
+    wc.hbrBackground = qt_widget_private(w)->isGLWidget ? 0 : (HBRUSH)GetSysColorBrush(COLOR_WINDOW);
 #else
     wc.hbrBackground = 0;
 #endif
@@ -2547,6 +2551,17 @@ LRESULT CALLBACK QtWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam
             result = true;
             break;
         }
+#ifndef QT_NO_CURSOR
+        case WM_SETCURSOR: {
+            QCursor *ovr = QApplication::overrideCursor();
+            if (ovr) {
+                SetCursor(ovr->handle());
+                RETURN(TRUE);
+            }
+            result = false;
+            break;
+        }
+#endif
         default:
             result = false;                        // event was not processed
             break;
@@ -2969,7 +2984,10 @@ bool QETWidget::translateMouseEvent(const MSG &msg)
                 // most recent one.
                 msgPtr->lParam = mouseMsg.lParam;
                 msgPtr->wParam = mouseMsg.wParam;
-                msgPtr->pt = mouseMsg.pt;
+                // Extract the x,y coordinates from the lParam as we do in the WndProc
+                msgPtr->pt.x = GET_X_LPARAM(mouseMsg.lParam);
+                msgPtr->pt.y = GET_Y_LPARAM(mouseMsg.lParam);
+                ClientToScreen(msg.hwnd, &(msgPtr->pt));
                 // Remove the mouse move message
                 PeekMessage(&mouseMsg, msg.hwnd, WM_MOUSEMOVE,
                             WM_MOUSEMOVE, PM_REMOVE);
@@ -3616,13 +3634,19 @@ bool QETWidget::translatePaintEvent(const MSG &msg)
         return true;
 
     setAttribute(Qt::WA_PendingUpdate, false);
-    const QRegion dirtyInBackingStore(qt_dirtyRegion(this));
-    // Make sure the invalidated region contains the region we're about to repaint.
-    // BeginPaint will set the clip to the invalidated region and it is impossible
-    // to enlarge it afterwards (only shrink it). Using GetDCEx is not suffient
-    // as it may return an invalid context (especially on Windows Vista).
-    if (!dirtyInBackingStore.isEmpty())
-        InvalidateRgn(internalWinId(), dirtyInBackingStore.handle(), false);
+
+    if (d_func()->isGLWidget) {
+        if (d_func()->usesDoubleBufferedGLContext)
+            InvalidateRect(internalWinId(), 0, false);
+    } else {
+        const QRegion dirtyInBackingStore(qt_dirtyRegion(this));
+        // Make sure the invalidated region contains the region we're about to repaint.
+        // BeginPaint will set the clip to the invalidated region and it is impossible
+        // to enlarge it afterwards (only shrink it). Using GetDCEx is not suffient
+        // as it may return an invalid context (especially on Windows Vista).
+        if (!dirtyInBackingStore.isEmpty())
+            InvalidateRgn(internalWinId(), dirtyInBackingStore.handle(), false);
+    }
     PAINTSTRUCT ps;
     d_func()->hd = BeginPaint(internalWinId(), &ps);
 
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index 667db39..c6e192b 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -208,11 +208,8 @@ static const char * x11_atomnames = {
     "_MOTIF_WM_HINTS\0"
 
     "DTWM_IS_RUNNING\0"
-    "KDE_FULL_SESSION\0"
-    "KWIN_RUNNING\0"
-    "KWM_RUNNING\0"
-    "GNOME_BACKGROUND_PROPERTIES\0"
     "ENLIGHTENMENT_DESKTOP\0"
+    "_DT_SAVE_MODE\0"
     "_SGI_DESKS_MANAGER\0"
 
     // EWMH (aka NETWM)
@@ -626,8 +623,6 @@ static int qt_x_errhandler(Display *dpy, XErrorEvent *err)
                 || err->resourceid == XA_RGB_DEFAULT_MAP
                 || err->resourceid == ATOM(_NET_SUPPORTED)
                 || err->resourceid == ATOM(_NET_SUPPORTING_WM_CHECK)
-                || err->resourceid == ATOM(KDE_FULL_SESSION)
-                || err->resourceid == ATOM(KWIN_RUNNING)
                 || err->resourceid == ATOM(XdndProxy)
                 || err->resourceid == ATOM(XdndAware))) {
             // Perhaps we're running under SECURITY reduction? :/
@@ -949,10 +944,12 @@ bool QApplicationPrivate::x11_apply_settings()
                        QApplication::cursorFlashTime()).toInt();
     QApplication::setCursorFlashTime(num);
 
+#ifndef QT_NO_WHEELEVENT
     num =
         settings.value(QLatin1String("wheelScrollLines"),
                        QApplication::wheelScrollLines()).toInt();
     QApplication::setWheelScrollLines(num);
+#endif
 
     QString colorspec = settings.value(QLatin1String("colorSpec"),
                                        QVariant(QLatin1String("default"))).toString();
@@ -2220,87 +2217,36 @@ void qt_init(QApplicationPrivate *priv, int,
         X11->desktopEnvironment = DE_UNKNOWN;
         X11->desktopVersion = 0;
 
-        // See if the current window manager is using the freedesktop.org spec to give its name
-        Window windowManagerWindow = XNone;
-        Atom typeReturned;
-        int formatReturned;
-        unsigned long nitemsReturned;
-        unsigned long unused;
-        unsigned char *data = 0;
-        if (XGetWindowProperty(QX11Info::display(), QX11Info::appRootWindow(),
-                           ATOM(_NET_SUPPORTING_WM_CHECK),
-                           0, 1024, False, XA_WINDOW, &typeReturned,
-                           &formatReturned, &nitemsReturned, &unused, &data)
-              == Success) {
-            if (typeReturned == XA_WINDOW && formatReturned == 32)
-                windowManagerWindow = *((Window*) data);
-            if (data)
-                XFree(data);
-
-            if (windowManagerWindow != XNone) {
-                QString wmName;
-                Atom utf8atom = ATOM(UTF8_STRING);
-                if (XGetWindowProperty(QX11Info::display(), windowManagerWindow, ATOM(_NET_WM_NAME),
-                                       0, 1024, False, utf8atom, &typeReturned,
-                                       &formatReturned, &nitemsReturned, &unused, &data)
-                    == Success) {
-                    if (typeReturned == utf8atom && formatReturned == 8)
-                        wmName = QString::fromUtf8((const char*)data);
-                    if (data)
-                        XFree(data);
-                    if (wmName == QLatin1String("KWin"))
-                        X11->desktopEnvironment = DE_KDE;
-                    if (wmName == QLatin1String("Metacity"))
-                        X11->desktopEnvironment = DE_GNOME;
-                }
-            }
-        }
-
-        // Running a different/newer/older window manager?  Try some other things
-        if (X11->desktopEnvironment == DE_UNKNOWN){
-            Atom type;
-            int format;
-            unsigned long length, after;
-            uchar *data = 0;
-
-            QString session = QString::fromLocal8Bit(qgetenv("DESKTOP_SESSION"));
-            if (session == QLatin1String("kde")) {
-                X11->desktopEnvironment = DE_KDE;
-            } else if (session == QLatin1String("gnome") || session == QLatin1String("xfce")) {
-                X11->desktopEnvironment = DE_GNOME;
-            } else if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(DTWM_IS_RUNNING),
-                                          0, 1, False, AnyPropertyType, &type, &format, &length,
-                                   &after, &data) == Success && length) {
-                // DTWM is running, meaning most likely CDE is running...
-                X11->desktopEnvironment = DE_CDE;
-            } else if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(),
-                                          ATOM(GNOME_BACKGROUND_PROPERTIES), 0, 1, False, AnyPropertyType,
-                                          &type, &format, &length, &after, &data) == Success && length) {
-                X11->desktopEnvironment = DE_GNOME;
-            } else if (!qgetenv("GNOME_DESKTOP_SESSION_ID").isEmpty()) {
-                X11->desktopEnvironment = DE_GNOME;
-            } else if ((XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(KDE_FULL_SESSION),
-                                           0, 1, False, AnyPropertyType, &type, &format, &length, &after, &data) == Success
-                        && length)
-                       || (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(KWIN_RUNNING),
-                                              0, 1, False, AnyPropertyType, &type, &format, &length,
-                                              &after, &data) == Success
-                           && length)
-                       || (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(KWM_RUNNING),
-                                              0, 1, False, AnyPropertyType, &type, &format, &length,
-                                              &after, &data) == Success && length)) {
-                X11->desktopEnvironment = DE_KDE;
-            } else if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(_SGI_DESKS_MANAGER),
-                                          0, 1, False, XA_WINDOW, &type, &format, &length, &after, &data) == Success
-                       && length) {
-                X11->desktopEnvironment = DE_4DWM;
-            }
-            if (data)
-                XFree((char *)data);
+        Atom type;
+        int format;
+        unsigned long length, after;
+        uchar *data = 0;
+
+        if (!qgetenv("KDE_FULL_SESSION").isEmpty()) {
+            X11->desktopEnvironment = DE_KDE;
+            X11->desktopVersion = qgetenv("KDE_SESSION_VERSION").toInt();
+        } else if (!qgetenv("GNOME_DESKTOP_SESSION_ID").isEmpty() // Deprecated for some reason.
+                   || qgetenv("DESKTOP_SESSION") == "gnome") { // De-facto-standardized by GNOME.
+            X11->desktopEnvironment = DE_GNOME;
+        } else if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(_DT_SAVE_MODE),
+                                      0, 2, False, XA_STRING, &type, &format, &length,
+                               &after, &data) == Success
+                   && !strcmp(reinterpret_cast<char *>(data), "xfce4")) {
+            // Pretend that xfce4 is gnome, as it uses the same libraries.
+            // The detection above is stolen from xdg-open.
+            X11->desktopEnvironment = DE_GNOME;
+        } else if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(DTWM_IS_RUNNING),
+                                      0, 1, False, AnyPropertyType, &type, &format, &length,
+                               &after, &data) == Success && length) {
+            // DTWM is running, meaning most likely CDE is running...
+            X11->desktopEnvironment = DE_CDE;
+        } else if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(_SGI_DESKS_MANAGER),
+                                      0, 1, False, XA_WINDOW, &type, &format, &length, &after, &data) == Success
+                   && length) {
+            X11->desktopEnvironment = DE_4DWM;
         }
-
-        if (X11->desktopEnvironment == DE_KDE)
-            X11->desktopVersion = QString::fromLocal8Bit(qgetenv("KDE_SESSION_VERSION")).toInt();
+        if (data)
+            XFree((char *)data);
 
 #if !defined(QT_NO_STYLE_GTK)
         if (X11->desktopEnvironment == DE_GNOME) {
@@ -4406,8 +4352,10 @@ bool QETWidget::translateWheelEvent(int global_x, int global_y, int delta,
         QWidget* popup = qApp->activePopupWidget();
         if (popup && window() != popup)
             popup->close();
+#ifndef QT_NO_WHEELEVENT
         QWheelEvent e(pos, globalPos, delta, buttons, modifiers, orient);
         if (QApplication::sendSpontaneousEvent(widget, &e))
+#endif
             return true;
     }
 
@@ -4418,8 +4366,10 @@ bool QETWidget::translateWheelEvent(int global_x, int global_y, int delta,
         QWidget* popup = qApp->activePopupWidget();
         if (popup && widget != popup)
             popup->hide();
+#ifndef QT_NO_WHEELEVENT
         QWheelEvent e(pos, globalPos, delta, buttons, modifiers, orient);
         if (QApplication::sendSpontaneousEvent(widget, &e))
+#endif
             return true;
     }
     return false;
@@ -5318,6 +5268,7 @@ int QApplication::keyboardInputInterval()
     return QApplicationPrivate::keyboard_input_time;
 }
 
+#ifndef QT_NO_WHEELEVENT
 void QApplication::setWheelScrollLines(int n)
 {
     QApplicationPrivate::wheel_scroll_lines = n;
@@ -5327,6 +5278,7 @@ int QApplication::wheelScrollLines()
 {
     return QApplicationPrivate::wheel_scroll_lines;
 }
+#endif
 
 void QApplication::setEffectEnabled(Qt::UIEffect effect, bool enable)
 {
diff --git a/src/gui/kernel/qclipboard_mac.cpp b/src/gui/kernel/qclipboard_mac.cpp
index f3a971d..49a6cc8 100644
--- a/src/gui/kernel/qclipboard_mac.cpp
+++ b/src/gui/kernel/qclipboard_mac.cpp
@@ -388,6 +388,18 @@ QMacPasteboard::setMimeData(QMimeData *mime_src)
         clear_helper();
         QStringList formats = mime_src->formats();
 
+#ifdef QT_MAC_USE_COCOA
+        // QMimeData sub classes reimplementing the formats() might not expose the
+        // temporary "application/x-qt-mime-type-name" mimetype. So check the existence
+        // of this mime type while doing drag and drop.
+        QString dummyMimeType(QLatin1String("application/x-qt-mime-type-name"));
+        if (!formats.contains(dummyMimeType)) {
+            QByteArray dummyType = mime_src->data(dummyMimeType);
+            if (!dummyType.isEmpty()) {
+                formats.append(dummyMimeType);
+            }
+        }
+#endif
         for(int f = 0; f < formats.size(); ++f) {
             QString mimeType = formats.at(f);
             for (QList<QMacPasteboardMime *>::Iterator it = availableConverters.begin(); it != availableConverters.end(); ++it) {
diff --git a/src/gui/kernel/qcocoaapplication_mac.mm b/src/gui/kernel/qcocoaapplication_mac.mm
index 5b98420..4962863 100644
--- a/src/gui/kernel/qcocoaapplication_mac.mm
+++ b/src/gui/kernel/qcocoaapplication_mac.mm
@@ -79,6 +79,8 @@
 #include <private/qcocoaapplicationdelegate_mac_p.h>
 #include <private/qt_cocoa_helpers_mac_p.h>
 
+QT_USE_NAMESPACE
+
 @implementation NSApplication (QT_MANGLE_NAMESPACE(QApplicationIntegration))
 
 - (void)QT_MANGLE_NAMESPACE(qt_setDockMenu):(NSMenu *)newMenu
@@ -107,5 +109,49 @@
             | NSFontPanelStrikethroughEffectModeMask;
 }
 
+- (void)qt_sendPostedMessage:(NSEvent *)event
+{
+    // WARNING: data1 and data2 is truncated to from 64-bit to 32-bit on OS 10.5! 
+    // That is why we need to split the address in two parts:
+    quint64 lower = [event data1];
+    quint64 upper = [event data2];
+    QCocoaPostMessageArgs *args = reinterpret_cast<QCocoaPostMessageArgs *>(lower | (upper << 32));
+    [args->target performSelector:args->selector];
+    delete args;
+}
+
+- (BOOL)qt_sendEvent:(NSEvent *)event
+{
+    if ([event type] == NSApplicationDefined) {
+        switch ([event subtype]) {
+            case QtCocoaEventSubTypePostMessage:
+                [NSApp qt_sendPostedMessage:event];
+                return true;
+            default:
+                break;
+        }
+    }
+    return false;
+}
+
 @end
+
+@implementation QNSApplication
+
+// WARNING: If Qt did not create NSApplication (this can e.g.
+// happend if Qt is used as a plugin from a 3rd-party cocoa
+// application), QNSApplication::sendEvent will never be called.
+// SO DO NOT RELY ON THIS FUNCTION BEING AVAILABLE. 
+// Plugin developers that _do_ control the NSApplication sub-class
+// implementation of the 3rd-party application can call qt_sendEvent
+// from the sub-class event handler (like we do here) to work around
+// any issues.
+- (void)sendEvent:(NSEvent *)event
+{
+    if (![self qt_sendEvent:event])
+        [super sendEvent:event];
+}
+
+@end
+
 #endif
diff --git a/src/gui/kernel/qcocoaapplication_mac_p.h b/src/gui/kernel/qcocoaapplication_mac_p.h
index e845d58..5569feb 100644
--- a/src/gui/kernel/qcocoaapplication_mac_p.h
+++ b/src/gui/kernel/qcocoaapplication_mac_p.h
@@ -99,5 +99,13 @@ QT_FORWARD_DECLARE_CLASS(QApplicationPrivate)
 - (QApplicationPrivate *)QT_MANGLE_NAMESPACE(qt_qappPrivate);
 - (QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *)QT_MANGLE_NAMESPACE(qt_qcocoamenuLoader);
 - (int)QT_MANGLE_NAMESPACE(qt_validModesForFontPanel):(NSFontPanel *)fontPanel;
+
+- (void)qt_sendPostedMessage:(NSEvent *)event;
+- (BOOL)qt_sendEvent:(NSEvent *)event;
+@end
+
+@interface QNSApplication : NSApplication {
+}
 @end
+
 #endif
diff --git a/src/gui/kernel/qcocoamenuloader_mac.mm b/src/gui/kernel/qcocoamenuloader_mac.mm
index 18b3772..573b763 100644
--- a/src/gui/kernel/qcocoamenuloader_mac.mm
+++ b/src/gui/kernel/qcocoamenuloader_mac.mm
@@ -46,6 +46,7 @@
 #include <private/qcocoamenuloader_mac_p.h>
 #include <private/qapplication_p.h>
 #include <private/qt_mac_p.h>
+#include <private/qmenubar_p.h>
 #include <qmenubar.h>
 
 QT_FORWARD_DECLARE_CLASS(QCFString)
@@ -208,6 +209,11 @@ QT_USE_NAMESPACE
     [NSApp hide:sender];
 }
 
+- (void)qtUpdateMenubar
+{
+    QMenuBarPrivate::macUpdateMenuBarImmediatly();
+}
+
 - (IBAction)qtDispatcherToQAction:(id)sender
 {
     QScopedLoopLevelCounter loopLevelCounter(QApplicationPrivate::instance()->threadData);
diff --git a/src/gui/kernel/qcocoamenuloader_mac_p.h b/src/gui/kernel/qcocoamenuloader_mac_p.h
index 81c136e..2504b8c 100644
--- a/src/gui/kernel/qcocoamenuloader_mac_p.h
+++ b/src/gui/kernel/qcocoamenuloader_mac_p.h
@@ -85,6 +85,7 @@
 - (IBAction)unhideAllApplications:(id)sender;
 - (IBAction)hide:(id)sender;
 - (IBAction)qtDispatcherToQAction:(id)sender;
+- (void)qtUpdateMenubar;
 @end
 
 #endif // QT_MAC_USE_COCOA
diff --git a/src/gui/kernel/qcocoapanel_mac.mm b/src/gui/kernel/qcocoapanel_mac.mm
index 3012093..0b48efd 100644
--- a/src/gui/kernel/qcocoapanel_mac.mm
+++ b/src/gui/kernel/qcocoapanel_mac.mm
@@ -47,6 +47,9 @@
 #import <private/qcocoaview_mac_p.h>
 #import <private/qcocoawindowcustomthemeframe_mac_p.h>
 #import <private/qcocoaapplication_mac_p.h>
+#include <private/qapplication_p.h>
+#include <private/qbackingstore_p.h>
+
 
 #include <QtGui/QWidget>
 
diff --git a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
index d8bbcd4..9fe5ae0 100644
--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
@@ -51,6 +51,9 @@
  NSPanel, while QCocoaWindow needs to inherit NSWindow rather than NSPanel).
 ****************************************************************************/
 
+// WARNING: Don't include any header files from within this file. Put them
+// directly into qcocoawindow_mac_p.h and qcocoapanel_mac_p.h
+
 QT_BEGIN_NAMESPACE
 extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm
 extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
@@ -180,8 +183,18 @@ QT_END_NAMESPACE
 
 - (void)sendEvent:(NSEvent *)event
 {
-    QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+    if ([event type] == NSApplicationDefined) {
+        switch ([event subtype]) {
+            case QtCocoaEventSubTypePostMessage:
+                [NSApp qt_sendPostedMessage:event];
+                return;
+            default:
+                break;
+        }
+        return;
+    }
 
+    QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
     // Cocoa can hold onto the window after we've disavowed its knowledge. So,
     // if we get sent an event afterwards just have it go through the super's
     // version and don't do any stuff with Qt.
@@ -205,7 +218,7 @@ QT_END_NAMESPACE
                 qt_button_down = widget;
             handled = qt_mac_handleMouseEvent(view, event, QEvent::MouseButtonPress, mouseButton);
             // Don't call super here. This prevents us from getting the mouseUp event,
-            // which we need to send even if the mouseDown event was not accepted. 
+            // which we need to send even if the mouseDown event was not accepted.
             // (this is standard Qt behavior.)
             break;
         case NSRightMouseDown:
@@ -303,9 +316,9 @@ QT_END_NAMESPACE
 {
     // The user dragged something into the window. Send a draggingEntered message
     // to the QWidget under the mouse. As the drag moves over the window, and over
-    // different widgets, we will handle enter and leave events from within 
+    // different widgets, we will handle enter and leave events from within
     // draggingUpdated below. The reason why we handle this ourselves rather than
-    // subscribing for drag events directly in QCocoaView is that calling 
+    // subscribing for drag events directly in QCocoaView is that calling
     // registerForDraggedTypes on the views will severly degrade initialization time
     // for an application that uses a lot of drag subscribing widgets.
 
@@ -369,3 +382,18 @@ QT_END_NAMESPACE
     return dropResult;
 }
 
+- (void)displayIfNeeded
+{
+
+    QWidget *qwidget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+    if (qwidget == 0) {
+        [super displayIfNeeded];
+        return;
+    }
+
+    if (QApplicationPrivate::graphicsSystem() != 0) {
+        if (QWidgetBackingStore *bs = qt_widget_private(qwidget)->maybeBackingStore())
+            bs->sync(qwidget, qwidget->rect());
+    }
+    [super displayIfNeeded];
+}
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 8c5d166..455176e 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -83,21 +83,7 @@ extern bool qt_sendSpontaneousEvent(QObject *, QEvent *); // qapplication.cpp
 extern OSViewRef qt_mac_nativeview_for(const QWidget *w); // qwidget_mac.mm
 extern QPointer<QWidget> qt_mouseover; //qapplication_mac.mm
 extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
-
-Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum)
-{
-    if (buttonNum == 0)
-        return Qt::LeftButton;
-    if (buttonNum == 1)
-        return Qt::RightButton;
-    if (buttonNum == 2)
-        return Qt::MidButton;
-    if (buttonNum == 3)
-        return Qt::XButton1;
-    if (buttonNum == 4)
-        return Qt::XButton2;
-    return Qt::NoButton;
-}
+extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum);
 
 struct dndenum_mapper
 {
@@ -474,10 +460,11 @@ extern "C" {
 - (void)drawRect:(NSRect)aRect
 {
     if (QApplicationPrivate::graphicsSystem() != 0) {
-        if (QWidgetBackingStore *bs = qwidgetprivate->maybeBackingStore())
-            bs->markDirty(qwidget->rect(), qwidget);
-        qwidgetprivate->syncBackingStore(qwidget->rect());
-        return;
+        if (QWidgetBackingStore *bs = qwidgetprivate->maybeBackingStore()) {
+            // Drawing is handled on the window level
+            // See qcocoasharedwindowmethods_mac_p.
+            return;
+        }
     }
     CGContextRef cg = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
     qwidgetprivate->hd = cg;
@@ -488,7 +475,15 @@ extern "C" {
             qWarning("QWidget::repaint: Recursive repaint detected");
 
         const QRect qrect = QRect(aRect.origin.x, aRect.origin.y, aRect.size.width, aRect.size.height);
-        QRegion qrgn(qrect);
+        QRegion qrgn;
+
+	const NSRect *rects;
+	NSInteger count;
+	[self getRectsBeingDrawn:&rects count:&count];
+	for (int i = 0; i < count; ++i) {
+	    QRect tmpRect = QRect(rects[i].origin.x, rects[i].origin.y, rects[i].size.width, rects[i].size.height);
+	    qrgn += tmpRect;
+	}
 
         if (!qwidget->isWindow() && !qobject_cast<QAbstractScrollArea *>(qwidget->parent())) {
             const QRegion &parentMask = qwidget->window()->mask();
@@ -785,6 +780,7 @@ extern "C" {
         deltaZ = qBound(-120, int([theEvent deltaZ] * 10000), 120);
     }
 
+#ifndef QT_NO_WHEELEVENT
     if (deltaX != 0) {
         QWheelEvent qwe(qlocal, qglobal, deltaX, buttons, keyMods, Qt::Horizontal);
         qt_sendSpontaneousEvent(widgetToGetMouse, &qwe);
@@ -825,6 +821,8 @@ extern "C" {
             wheelOK = qwe2.isAccepted();
         }
     }
+#endif //QT_NO_WHEELEVENT
+
     if (!wheelOK) {
         return [super scrollWheel:theEvent];
     }
@@ -1361,7 +1359,7 @@ Qt::DropAction QDragManager::drag(QDrag *o)
 
     // setup the data
     QMacPasteboard dragBoard((CFStringRef) NSDragPboard, QMacPasteboardMime::MIME_DND);
-    dragPrivate()->data->setData(QLatin1String("application/x-qt-mime-type-name"), QByteArray());
+    dragPrivate()->data->setData(QLatin1String("application/x-qt-mime-type-name"), QByteArray("dummy"));
     dragBoard.setMimeData(dragPrivate()->data);
 
     // create the image
diff --git a/src/gui/kernel/qcocoawindow_mac_p.h b/src/gui/kernel/qcocoawindow_mac_p.h
index 403a1a5..21f82df 100644
--- a/src/gui/kernel/qcocoawindow_mac_p.h
+++ b/src/gui/kernel/qcocoawindow_mac_p.h
@@ -53,6 +53,9 @@
 #ifdef QT_MAC_USE_COCOA
 #include "qmacdefines_mac.h"
 #import <Cocoa/Cocoa.h>
+#include <private/qapplication_p.h>
+#include <private/qbackingstore_p.h>
+
 
 enum { QtMacCustomizeWindow = 1 << 21 }; // This will one day be run over by
 
diff --git a/src/gui/kernel/qdesktopwidget_s60.cpp b/src/gui/kernel/qdesktopwidget_s60.cpp
index 77745ea..84e3c5d 100644
--- a/src/gui/kernel/qdesktopwidget_s60.cpp
+++ b/src/gui/kernel/qdesktopwidget_s60.cpp
@@ -88,24 +88,20 @@ QDesktopWidgetPrivate::~QDesktopWidgetPrivate()
 
 void QDesktopWidgetPrivate::init(QDesktopWidget *that)
 {
-    int screenCount=0;
+//    int screenCount=0;
 
-    if (HAL::Get(0, HALData::EDisplayNumberOfScreens, screenCount) == KErrNone)
-        QDesktopWidgetPrivate::screenCount = screenCount;
-    else
-        QDesktopWidgetPrivate::screenCount = 0;
+    // ### TODO: Implement proper multi-display support
+	QDesktopWidgetPrivate::screenCount = 1;
+//    if (HAL::Get(0, HALData::EDisplayNumberOfScreens, screenCount) == KErrNone)
+//        QDesktopWidgetPrivate::screenCount = screenCount;
+//    else
+//        QDesktopWidgetPrivate::screenCount = 0;
 
     rects = new QVector<QRect>();
     workrects = new QVector<QRect>();
 
     rects->resize(QDesktopWidgetPrivate::screenCount);
     workrects->resize(QDesktopWidgetPrivate::screenCount);
-
-    // ### TODO: Implement proper multi-display support
-    rects->resize(1);
-    rects->replace(0, that->rect());
-    workrects->resize(1);
-    workrects->replace(0, that->rect());
 }
 
 void QDesktopWidgetPrivate::cleanup()
diff --git a/src/gui/kernel/qeventdispatcher_mac.mm b/src/gui/kernel/qeventdispatcher_mac.mm
index c7d042d..afea3ec 100644
--- a/src/gui/kernel/qeventdispatcher_mac.mm
+++ b/src/gui/kernel/qeventdispatcher_mac.mm
@@ -497,6 +497,14 @@ static bool IsMouseOrKeyEvent( NSEvent* event )
         case NSOtherMouseDown:   
         case NSOtherMouseUp:     
         case NSOtherMouseDragged:
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+        case NSEventTypeGesture: // touch events
+        case NSEventTypeMagnify:
+        case NSEventTypeSwipe:
+        case NSEventTypeRotate:
+        case NSEventTypeBeginGesture:
+        case NSEventTypeEndGesture:
+#endif
             result    = true;
         break;
 
@@ -565,6 +573,18 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
         QMacCocoaAutoReleasePool pool;
         NSEvent* event = 0;
 
+        // First, send all previously excluded input events, if any:
+        if (!(flags & QEventLoop::ExcludeUserInputEvents)) {
+            while (!d->queuedUserInputEvents.isEmpty()) {
+                event = static_cast<NSEvent *>(d->queuedUserInputEvents.takeFirst());
+                if (!filterEvent(event)) {
+                    qt_mac_send_event(flags, event, 0);
+                    retVal = true;
+                }
+                [event release];
+            }
+        }
+
         // If Qt is used as a plugin, or as an extension in a native cocoa
         // application, we should not run or stop NSApplication; This will be
         // done from the application itself. And if processEvents is called
@@ -598,49 +618,33 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
             // We cannot block the thread (and run in a tight loop).
             // Instead we will process all current pending events and return.
             d->ensureNSAppInitialized();
-            do {
-                bool releaseEvent = false;
-
-                if (!(flags & QEventLoop::ExcludeUserInputEvents)
-                        && !d->queuedUserInputEvents.isEmpty()) {
-                    // Process a pending user input event
-                    releaseEvent = true;
-                    event = static_cast<NSEvent *>(d->queuedUserInputEvents.takeFirst());
-                } else {
-                    if (NSModalSession session = d->currentModalSession()) {
-                        if (flags & QEventLoop::WaitForMoreEvents)
-                            qt_mac_waitForMoreModalSessionEvents();
-                        NSInteger status = [NSApp runModalSession:session];
-                        if (status != NSRunContinuesResponse && session == d->currentModalSessionCached) {
-                            // INVARIANT: Someone called [NSApp stopModal:] from outside the event
-                            // dispatcher (e.g to stop a native dialog). But that call wrongly stopped
-                            // 'session' as well. As a result, we need to restart all internal sessions:
-                            d->temporarilyStopAllModalSessions();
-                        }
-                        retVal = true;
-                        break;
-                    } else {
-                        event = [NSApp nextEventMatchingMask:NSAnyEventMask
-                            untilDate:nil
-                            inMode:NSDefaultRunLoopMode
-                            dequeue: YES];
-
-                        if (event != nil) {
-                            if (flags & QEventLoop::ExcludeUserInputEvents) {
-                                if (IsMouseOrKeyEvent(event)) {
-                                    [event retain];
-                                    d->queuedUserInputEvents.append(event);
-                                    continue;
-                                }
-                            }
-                        }
-                    }
+            if (NSModalSession session = d->currentModalSession()) {
+                if (flags & QEventLoop::WaitForMoreEvents)
+                    qt_mac_waitForMoreModalSessionEvents();
+                NSInteger status = [NSApp runModalSession:session];
+                if (status != NSRunContinuesResponse && session == d->currentModalSessionCached) {
+                    // INVARIANT: Someone called [NSApp stopModal:] from outside the event
+                    // dispatcher (e.g to stop a native dialog). But that call wrongly stopped
+                    // 'session' as well. As a result, we need to restart all internal sessions:
+                    d->temporarilyStopAllModalSessions();
                 }
+                retVal = true;
+            } else do {
+                event = [NSApp nextEventMatchingMask:NSAnyEventMask
+                    untilDate:nil
+                    inMode:NSDefaultRunLoopMode
+                    dequeue: YES];
+
                 if (event) {
+                    if (flags & QEventLoop::ExcludeUserInputEvents) {
+                        if (IsMouseOrKeyEvent(event)) {
+                            [event retain];
+                            d->queuedUserInputEvents.append(event);
+                            continue;
+                        }
+                    }
                     if (!filterEvent(event) && qt_mac_send_event(flags, event, 0))
                         retVal = true;
-                    if (releaseEvent)
-                        [event release];
                 }
             } while (!d->interrupt && event != nil);
 
@@ -1064,10 +1068,9 @@ void QEventDispatcherMacPrivate::cancelWaitForMoreEvents()
     // In case the event dispatcher is waiting for more
     // events somewhere, we post a dummy event to wake it up:
     QMacCocoaAutoReleasePool pool;
-    static const short NSAppShouldStopForQt = SHRT_MAX;
     [NSApp postEvent:[NSEvent otherEventWithType:NSApplicationDefined location:NSZeroPoint
         modifierFlags:0 timestamp:0. windowNumber:0 context:0
-        subtype:NSAppShouldStopForQt data1:0 data2:0] atStart:NO];
+        subtype:QtCocoaEventSubTypeWakeup data1:0 data2:0] atStart:NO];
 }
 #endif
 
diff --git a/src/gui/kernel/qkeymapper_x11.cpp b/src/gui/kernel/qkeymapper_x11.cpp
index 70574e7..4e6c847 100644
--- a/src/gui/kernel/qkeymapper_x11.cpp
+++ b/src/gui/kernel/qkeymapper_x11.cpp
@@ -360,6 +360,13 @@ QList<int> QKeyMapperPrivate::possibleKeysXKB(QKeyEvent *event)
 
         if (code && code < 0xfffe)
             code = QChar(code).toUpper().unicode();
+
+        if (code == Qt::Key_Tab && (baseModifiers & Qt::ShiftModifier)) {
+            // map shift+tab to shift+backtab
+            code = Qt::Key_Backtab;
+            text = QString();
+        }
+
         if (code == baseCode)
             continue;
 
@@ -448,6 +455,13 @@ QList<int> QKeyMapperPrivate::possibleKeysCore(QKeyEvent *event)
 
         if (code && code < 0xfffe)
             code = QChar(code).toUpper().unicode();
+
+        if (code == Qt::Key_Tab && (baseModifiers & Qt::ShiftModifier)) {
+            // map shift+tab to shift+backtab
+            code = Qt::Key_Backtab;
+            text = QString();
+        }
+
         if (code == baseCode)
             continue;
 
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 6d108b0..c9a94ee 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -55,24 +55,24 @@ QT_BEGIN_NAMESPACE
 
 QSoftKeyManager *QSoftKeyManagerPrivate::self = 0;
 
-const char *QSoftKeyManager::standardSoftKeyText(StandardSoftKey standardKey)
+QString QSoftKeyManager::standardSoftKeyText(StandardSoftKey standardKey)
 {
-    const char *softKeyText = 0;
+    QString softKeyText;
     switch (standardKey) {
     case OkSoftKey:
-        softKeyText = QT_TRANSLATE_NOOP("QSoftKeyManager", "Ok");
+        softKeyText = QSoftKeyManager::tr("Ok");
         break;
     case SelectSoftKey:
-        softKeyText = QT_TRANSLATE_NOOP("QSoftKeyManager", "Select");
+        softKeyText = QSoftKeyManager::tr("Select");
         break;
     case DoneSoftKey:
-        softKeyText = QT_TRANSLATE_NOOP("QSoftKeyManager", "Done");
+        softKeyText = QSoftKeyManager::tr("Done");
         break;
     case MenuSoftKey:
-        softKeyText = QT_TRANSLATE_NOOP("QSoftKeyManager", "Options");
+        softKeyText = QSoftKeyManager::tr("Options");
         break;
     case CancelSoftKey:
-        softKeyText = QT_TRANSLATE_NOOP("QSoftKeyManager", "Cancel");
+        softKeyText = QSoftKeyManager::tr("Cancel");
         break;
     default:
         break;
@@ -100,8 +100,7 @@ QSoftKeyManager::QSoftKeyManager() :
 
 QAction *QSoftKeyManager::createAction(StandardSoftKey standardKey, QWidget *actionWidget)
 {
-    const char* text = standardSoftKeyText(standardKey);
-    QAction *action = new QAction(QSoftKeyManager::tr(text), actionWidget);
+    QAction *action = new QAction(standardSoftKeyText(standardKey), actionWidget);
     QAction::SoftKeyRole softKeyRole = QAction::NoSoftKey;
     switch (standardKey) {
     case MenuSoftKey: // FALL-THROUGH
@@ -211,13 +210,11 @@ bool QSoftKeyManager::handleUpdateSoftKeys()
     d->requestedSoftKeyActions.clear();
     bool recursiveMerging = false;
     QWidget *source = softkeySource(NULL, recursiveMerging);
-    do {
-        if (source) {
-            bool added = appendSoftkeys(*source, level);
-            source = softkeySource(source, recursiveMerging);
-            level = added ? ++level : level;
-        }
-    } while (source);
+    while (source) {
+        if (appendSoftkeys(*source, level))
+            ++level;
+        source = softkeySource(source, recursiveMerging);
+    }
 
     d->updateSoftKeys_sys();
     return true;
diff --git a/src/gui/kernel/qsoftkeymanager_p.h b/src/gui/kernel/qsoftkeymanager_p.h
index ce902fe..a6fe17e 100644
--- a/src/gui/kernel/qsoftkeymanager_p.h
+++ b/src/gui/kernel/qsoftkeymanager_p.h
@@ -87,6 +87,7 @@ public:
 
     static QAction *createAction(StandardSoftKey standardKey, QWidget *actionWidget);
     static QAction *createKeyedAction(StandardSoftKey standardKey, Qt::Key key, QWidget *actionWidget);
+    static QString standardSoftKeyText(StandardSoftKey standardKey);
 
 protected:
     bool event(QEvent *e);
@@ -94,7 +95,6 @@ protected:
 private:
     QSoftKeyManager();
     static QSoftKeyManager *instance();
-    static const char *standardSoftKeyText(StandardSoftKey standardKey);
     bool appendSoftkeys(const QWidget &source, int level);
     QWidget *softkeySource(QWidget *previousSource, bool& recursiveMerging);
     bool handleUpdateSoftKeys();
diff --git a/src/gui/kernel/qsoftkeymanager_s60.cpp b/src/gui/kernel/qsoftkeymanager_s60.cpp
index 67ed8b0..8ac1e31 100644
--- a/src/gui/kernel/qsoftkeymanager_s60.cpp
+++ b/src/gui/kernel/qsoftkeymanager_s60.cpp
@@ -49,7 +49,7 @@
 #include "private/qsoftkeymanager_p.h"
 #include "private/qsoftkeymanager_s60_p.h"
 #include "private/qobject_p.h"
-//#include <eiksoftkeyimage.h>
+#include <eiksoftkeyimage.h>
 #include <eikcmbut.h>
 
 #ifndef QT_NO_SOFTKEYMANAGER
@@ -64,17 +64,20 @@ QSoftKeyManagerPrivateS60::QSoftKeyManagerPrivateS60()
 {
     cachedCbaIconSize[0] = QSize(0,0);
     cachedCbaIconSize[1] = QSize(0,0);
-    skipNextUpdate = false;
+    cachedCbaIconSize[2] = QSize(0,0);
+    cachedCbaIconSize[3] = QSize(0,0);
 }
 
 bool QSoftKeyManagerPrivateS60::skipCbaUpdate()
 {
-    // lets not update softkeys if
+    // Lets not update softkeys if
     // 1. We don't have application panes, i.e. cba
-    // 2. S60 native dialog or menu is shown
-    if (QApplication::testAttribute(Qt::AA_S60DontConstructApplicationPanes) ||
-        CCoeEnv::Static()->AppUi()->IsDisplayingMenuOrDialog() || skipNextUpdate) {
-        skipNextUpdate = false;
+    // 2. Our CBA is not active, i.e. S60 native dialog or menu with custom CBA is shown
+    // Note: Cannot use IsDisplayingMenuOrDialog since CBA update can be triggered before
+    // menu/dialog CBA is actually displayed i.e. it is being costructed.
+    CEikButtonGroupContainer *appUiCba = S60->buttonGroupContainer();
+    CEikButtonGroupContainer *currentCba = CEikButtonGroupContainer::Current();
+    if (QApplication::testAttribute(Qt::AA_S60DontConstructApplicationPanes) || appUiCba != currentCba) {
         return true;
     }
     return false;
@@ -149,6 +152,39 @@ void QSoftKeyManagerPrivateS60::setNativeSoftkey(CEikButtonGroupContainer &cba,
     QT_TRAP_THROWING(cba.SetCommandL(position, command, text));
 }
 
+QPoint QSoftKeyManagerPrivateS60::softkeyIconPosition(int position, QSize sourceSize, QSize targetSize)
+{
+    QPoint iconPosition(0,0);
+    switch( AknLayoutUtils::CbaLocation() )
+        {
+        case AknLayoutUtils::EAknCbaLocationBottom:
+            // RSK must be moved to right, LSK in on correct position by default
+            if (position == RSK_POSITION)
+                iconPosition.setX(targetSize.width() - sourceSize.width());
+            break;
+        case AknLayoutUtils::EAknCbaLocationRight:
+        case AknLayoutUtils::EAknCbaLocationLeft:
+            // Already in correct position
+        default:
+            break;
+        }
+
+    // Align horizontally to center
+    iconPosition.setY((targetSize.height() - sourceSize.height()) >> 1);
+    return iconPosition;
+}
+
+QPixmap QSoftKeyManagerPrivateS60::prepareSoftkeyPixmap(QPixmap src, int position, QSize targetSize)
+{
+    QPixmap target(targetSize);
+    target.fill(Qt::transparent);
+    QPainter p;
+    p.begin(&target);
+    p.drawPixmap(softkeyIconPosition(position, src.size(), targetSize), src);
+    p.end();
+    return target;
+}
+
 bool QSoftKeyManagerPrivateS60::isOrientationLandscape()
 {
     // Hard to believe that there is no public API in S60 to
@@ -158,15 +194,11 @@ bool QSoftKeyManagerPrivateS60::isOrientationLandscape()
 
 QSize QSoftKeyManagerPrivateS60::cbaIconSize(CEikButtonGroupContainer *cba, int position)
 {
-    Q_UNUSED(cba);
-    Q_UNUSED(position);
 
-    // Will be implemented when EikSoftkeyImage usage license wise is OK
-/*
-    const int index = isOrientationLandscape() ? 0 : 1;
+    int index = position;
+    index += isOrientationLandscape() ? 0 : 1;
     if(cachedCbaIconSize[index].isNull()) {
         // Only way I figured out to get CBA icon size without RnD SDK, was
-        // Only way I figured out to get CBA icon size without RnD SDK, was
         // to set some dummy icon to CBA first and then ask CBA button CCoeControl::Size()
         // The returned value is cached to avoid unnecessary icon setting every time.
         const bool left = (position == LSK_POSITION);
@@ -178,38 +210,46 @@ QSize QSoftKeyManagerPrivateS60::cbaIconSize(CEikButtonGroupContainer *cba, int
             setNativeSoftkey(*cba, position, command, KNullDesC());
             cachedCbaIconSize[index] = qt_TSize2QSize(cba->ControlOrNull(command)->Size());
             EikSoftkeyImage::SetLabel(cba, left);
+
+            if(cachedCbaIconSize[index] == QSize(138,72)) {
+                // Hack for S60 5.0 (5800) landscape orientation, which return wrong icon size
+                cachedCbaIconSize[index] = QSize(60,60);
+            }
         }
     }
 
     return cachedCbaIconSize[index];
-*/
-    return QSize();
 }
 
 bool QSoftKeyManagerPrivateS60::setSoftkeyImage(CEikButtonGroupContainer *cba,
                                             QAction &action, int position)
 {
     bool ret = false;
-    Q_UNUSED(cba);
-    Q_UNUSED(action);
-    Q_UNUSED(position);
 
-    // Will be implemented when EikSoftkeyImage usage license wise is OK
-    /*
     const bool left = (position == LSK_POSITION);
     if(position == LSK_POSITION || position == RSK_POSITION) {
         QIcon icon = action.icon();
         if (!icon.isNull()) {
-            QPixmap pm = icon.pixmap(cbaIconSize(cba, position));
-            pm = pm.scaled(cbaIconSize(cba, position));
-            QBitmap mask = pm.mask();
-            if (mask.isNull()) {
-                mask = QBitmap(pm.size());
-                mask.fill(Qt::color1);
+            // Get size of CBA icon area based on button position and orientation
+            QSize requiredIconSize = cbaIconSize(cba, position);
+            // Get pixmap out of icon based on preferred size, the aspect ratio is kept
+            QPixmap pmWihtAspectRatio = icon.pixmap(requiredIconSize);
+            // Native softkeys require that pixmap size is exactly the same as requiredIconSize
+            // prepareSoftkeyPixmap creates a new pixmap with requiredIconSize and blits the 'pmWihtAspectRatio'
+            // to correct location of it
+            QPixmap softkeyPixmap = prepareSoftkeyPixmap(pmWihtAspectRatio, position, requiredIconSize);
+
+            QPixmap softkeyAlpha = softkeyPixmap.alphaChannel();
+            // Alpha channel in 5.1 and older devices need to be inverted
+            // TODO: Switch to use toSymbianCFbsBitmap with invert when available
+            if(QSysInfo::s60Version() <= QSysInfo::SV_S60_5_1) {
+                QImage alphaImage = softkeyAlpha.toImage();
+                alphaImage.invertPixels();
+                softkeyAlpha = QPixmap::fromImage(alphaImage);
             }
 
-            CFbsBitmap* nBitmap = pm.toSymbianCFbsBitmap();
-            CFbsBitmap* nMask = mask.toSymbianCFbsBitmap();
+            CFbsBitmap* nBitmap = softkeyPixmap.toSymbianCFbsBitmap();
+            CFbsBitmap* nMask = softkeyAlpha.toSymbianCFbsBitmap();
 
             CEikImage* myimage = new (ELeave) CEikImage;
             myimage->SetPicture( nBitmap, nMask ); // nBitmap and nMask ownership transfered
@@ -221,7 +261,6 @@ bool QSoftKeyManagerPrivateS60::setSoftkeyImage(CEikButtonGroupContainer *cba,
             EikSoftkeyImage::SetLabel(cba, left);
         }
     }
-    */
     return ret;
 }
 
@@ -272,6 +311,7 @@ bool QSoftKeyManagerPrivateS60::setRightSoftkey(CEikButtonGroupContainer &cba)
         if (windowType != Qt::Dialog && windowType != Qt::Popup) {
             QString text(QSoftKeyManager::tr("Exit"));
             TPtrC nativeText = qt_QString2TPtrC(text);
+            EikSoftkeyImage::SetLabel(&cba, false);
             setNativeSoftkey(cba, RSK_POSITION, EAknSoftkeyExit, nativeText);
             return true;
         }
@@ -303,7 +343,6 @@ void QSoftKeyManagerPrivateS60::setSoftkeys(CEikButtonGroupContainer &cba)
 
 void QSoftKeyManagerPrivateS60::updateSoftKeys_sys()
 {
-    //bool status = CCoeEnv::Static()->AppUi()->IsDisplayingMenuOrDialog();
     if (skipCbaUpdate())
         return;
 
@@ -346,9 +385,6 @@ bool QSoftKeyManagerPrivateS60::handleCommand(int command)
             }
             qt_symbian_next_menu_from_action(actionContainer);
             QT_TRAP_THROWING(S60->menuBar()->TryDisplayMenuBarL());
-            // TODO: hack remove, it can happen that IsDisplayingMenuOrDialog return false
-            // in updateSoftKeys_sys, and we will override menu CBA with our own
-            skipNextUpdate = true;
         } else {
             Q_ASSERT(action->softKeyRole() != QAction::NoSoftKey);
             QWidget *actionParent = action->parentWidget();
diff --git a/src/gui/kernel/qsoftkeymanager_s60_p.h b/src/gui/kernel/qsoftkeymanager_s60_p.h
index 46e3596..823a2db 100644
--- a/src/gui/kernel/qsoftkeymanager_s60_p.h
+++ b/src/gui/kernel/qsoftkeymanager_s60_p.h
@@ -84,6 +84,8 @@ private:
     QAction *highestPrioritySoftkey(QAction::SoftKeyRole role);
     static bool actionPriorityMoreThan(const QAction* item1, const QAction* item2);
     void setNativeSoftkey(CEikButtonGroupContainer &cba, TInt position, TInt command, const TDesC& text);
+    QPoint softkeyIconPosition(int position, QSize sourceSize, QSize targetSize);
+    QPixmap prepareSoftkeyPixmap(QPixmap src, int position, QSize targetSize);
     bool isOrientationLandscape();
     QSize cbaIconSize(CEikButtonGroupContainer *cba, int position);
     bool setSoftkeyImage(CEikButtonGroupContainer *cba, QAction &action, int position);
@@ -95,8 +97,7 @@ private:
 
 private:
     QHash<int, QAction*> realSoftKeyActions;
-    QSize cachedCbaIconSize[2];
-    bool skipNextUpdate;
+    QSize cachedCbaIconSize[4];
 };
 
 
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index 377e5a0..e9fdbda 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -83,6 +83,7 @@
 #include <private/qt_cocoa_helpers_mac_p.h>
 #include <private/qt_mac_p.h>
 #include <private/qapplication_p.h>
+#include <private/qcocoaapplication_mac_p.h>
 #include <private/qcocoawindow_mac_p.h>
 #include <private/qcocoaview_mac_p.h>
 #include <private/qkeymapper_p.h>
@@ -137,7 +138,6 @@ void QMacWindowFader::performFade()
 }
 
 extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // qapplication.cpp;
-extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm
 extern QWidget * mac_mouse_grabber;
 extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
 
@@ -647,6 +647,21 @@ bool qt_dispatchKeyEventWithCocoa(void * /*NSEvent * */ keyEvent, QWidget *widge
 }
 #endif
 
+Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum)
+{
+    if (buttonNum == 0)
+        return Qt::LeftButton;
+    if (buttonNum == 1)
+        return Qt::RightButton;
+    if (buttonNum == 2)
+        return Qt::MidButton;
+    if (buttonNum == 3)
+        return Qt::XButton1;
+    if (buttonNum == 4)
+        return Qt::XButton2;
+    return Qt::NoButton;
+}
+
 // Helper to share code between QCocoaWindow and QCocoaView
 bool qt_dispatchKeyEvent(void * /*NSEvent * */ keyEvent, QWidget *widgetToGetEvent)
 {
@@ -955,7 +970,7 @@ bool qt_mac_handleMouseEvent(void * /* NSView * */view, void * /* NSEvent * */ev
 #ifndef QT_NAMESPACE
         Q_ASSERT(clickCount > 0);
 #endif
-        if (clickCount % 2 == 0)
+        if (clickCount % 2 == 0 && buttons == button)
             eventType = QEvent::MouseButtonDblClick;
         if (button == Qt::LeftButton && (keyMods & Qt::MetaModifier)) {
             button = Qt::RightButton;
@@ -967,6 +982,7 @@ bool qt_mac_handleMouseEvent(void * /* NSView * */view, void * /* NSEvent * */ev
             button = Qt::RightButton;
             [theView qt_setLeftButtonIsRightButton: false];
         }
+        qt_button_down = 0;
         break;
     }
     [QT_MANGLE_NAMESPACE(QCocoaView) currentMouseEvent]->localPoint = localPoint;
@@ -1162,7 +1178,7 @@ CGContextRef qt_mac_graphicsContextFor(QWidget *widget)
     CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
     QDBeginCGContext(port, &context);
 #else
-    CGContextRef context = (CGContextRef)[[NSGraphicsContext graphicsContextWithWindow:qt_mac_window_for(widget)] graphicsPort];
+    CGContextRef context = reinterpret_cast<CGContextRef>([[qt_mac_window_for(widget) graphicsContext] graphicsPort]);
 #endif
     return context;
 }
@@ -1279,22 +1295,42 @@ void qt_cocoaChangeOverrideCursor(const QCursor &cursor)
     QMacCocoaAutoReleasePool pool;
     [static_cast<NSCursor *>(qt_mac_nsCursorForQCursor(cursor)) set];
 }
-#endif
 
-@implementation DebugNSApplication {
-}
-- (void)sendEvent:(NSEvent *)event
+//  WARNING: If Qt did not create NSApplication (e.g. in case it is
+//  used as a plugin), and at the same time, there is no window on
+//  screen (or the window that the event is sendt to becomes hidden etc
+//  before the event gets delivered), the message will not be performed.
+bool qt_cocoaPostMessage(id target, SEL selector)
 {
-    NSLog(@"NSAppDebug: sendEvent: %@", event);
-    return [super sendEvent:event];
-}
+    if (!target)
+        return false;
 
-- (BOOL)sendAction:(SEL)anAction to:(id)aTarget from:(id)sender
-{
-    NSLog(@"NSAppDebug: sendAction: %s to %@ from %@", anAction, aTarget, sender);
-    return [super sendAction:anAction to:aTarget from:sender];
+    NSInteger windowNumber = 0;
+    if (![NSApp isMemberOfClass:[QNSApplication class]]) {
+        // INVARIANT: Cocoa is not using our NSApplication subclass. That means
+        // we don't control the main event handler either. So target the event
+        // for one of the windows on screen:
+        NSWindow *nswin = [NSApp mainWindow];
+        if (!nswin) {
+            nswin = [NSApp keyWindow];
+            if (!nswin)
+                return false;
+        }
+        windowNumber = [nswin windowNumber];
+    }
+
+    // WARNING: data1 and data2 is truncated to from 64-bit to 32-bit on OS 10.5! 
+    // That is why we need to split the address in two parts:
+    QCocoaPostMessageArgs *args = new QCocoaPostMessageArgs(target, selector);
+    quint32 lower = quintptr(args);
+    quint32 upper = quintptr(args) >> 32;
+    NSEvent *e = [NSEvent otherEventWithType:NSApplicationDefined
+        location:NSZeroPoint modifierFlags:0 timestamp:0 windowNumber:windowNumber
+        context:nil subtype:QtCocoaEventSubTypePostMessage data1:lower data2:upper];
+    [NSApp postEvent:e atStart:NO];
+    return true;
 }
-@end
+#endif
 
 QMacCocoaAutoReleasePool::QMacCocoaAutoReleasePool()
 {
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac_p.h b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
index ace8255..c43ea55 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac_p.h
+++ b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
@@ -114,6 +114,12 @@ typedef struct CGPoint NSPoint;
 #endif
 
 QT_BEGIN_NAMESPACE
+
+enum {
+    QtCocoaEventSubTypeWakeup       = SHRT_MAX,
+    QtCocoaEventSubTypePostMessage  = SHRT_MAX-1
+};
+
 Qt::MouseButtons qt_mac_get_buttons(int buttons);
 Qt::MouseButton qt_mac_get_button(EventMouseButton button);
 void macWindowFade(void * /*OSWindowRef*/ window, float durationSeconds = 0.15);
@@ -182,8 +188,23 @@ inline QString qt_mac_NSStringToQString(const NSString *nsstr)
 inline NSString *qt_mac_QStringToNSString(const QString &qstr)
 { return [reinterpret_cast<const NSString *>(QCFString::toCFStringRef(qstr)) autorelease]; }
 
-@interface DebugNSApplication : NSApplication {}
-@end
+#ifdef QT_MAC_USE_COCOA
+class QCocoaPostMessageArgs {
+public:
+    id target;
+    SEL selector;
+    QCocoaPostMessageArgs(id target, SEL selector) : target(target), selector(selector)
+    {
+        [target retain];
+    }
+
+    ~QCocoaPostMessageArgs()
+    {
+        [target release];
+    }
+};
+bool qt_cocoaPostMessage(id target, SEL selector);
+#endif
 
 #endif
 
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index b2ce754..167557b 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -564,11 +564,8 @@ struct QX11Data
         _MOTIF_WM_HINTS,
 
         DTWM_IS_RUNNING,
-        KDE_FULL_SESSION,
-        KWIN_RUNNING,
-        KWM_RUNNING,
-        GNOME_BACKGROUND_PROPERTIES,
         ENLIGHTENMENT_DESKTOP,
+        _DT_SAVE_MODE,
         _SGI_DESKS_MANAGER,
 
         // EWMH (aka NETWM)
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 884447d..d433048 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -192,6 +192,7 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , inDirtyList(0)
       , isScrolled(0)
       , isMoved(0)
+      , isGLWidget(0)
       , usesDoubleBufferedGLContext(0)
 #if defined(Q_WS_X11)
       , picture(0)
@@ -200,7 +201,6 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , nativeGesturePanEnabled(0)
 #elif defined(Q_WS_MAC)
       , needWindowChange(0)
-      , isGLWidget(0)
       , window_event(0)
       , qd_hd(0)
 #endif
@@ -1439,6 +1439,18 @@ QWidget::~QWidget()
     }
 #endif
 
+#ifdef Q_OS_SYMBIAN
+    if (d->extra && d->extra->topextra && d->extra->topextra->backingStore) {
+        // Okay, we are about to destroy the top-level window that owns
+        // the backing store. Make sure we delete the backing store right away
+        // before the window handle is invalid. This is important because
+        // the backing store will delete its window surface, which may or may
+        // not have a reference to this widget that will be used later to
+        // notify the window it no longer has a surface.
+        delete d->extra->topextra->backingStore;
+        d->extra->topextra->backingStore = 0;
+    }
+#endif
     if (QWidgetBackingStore *bs = d->maybeBackingStore()) {
         bs->removeDirtyWidget(this);
         if (testAttribute(Qt::WA_StaticContents))
@@ -1660,7 +1672,13 @@ void QWidgetPrivate::syncBackingStore()
         repaint_sys(dirty);
         dirty = QRegion();
     } else if (QWidgetBackingStore *bs = maybeBackingStore()) {
+#ifdef QT_MAC_USE_COCOA
+        Q_UNUSED(bs);
+        void qt_mac_set_needs_display(QWidget *, QRegion);
+        qt_mac_set_needs_display(q_func(), QRegion());
+#else
         bs->sync();
+#endif
     }
 }
 
@@ -1668,8 +1686,15 @@ void QWidgetPrivate::syncBackingStore(const QRegion &region)
 {
     if (paintOnScreen())
         repaint_sys(region);
-    else if (QWidgetBackingStore *bs = maybeBackingStore())
+    else if (QWidgetBackingStore *bs = maybeBackingStore()) {
+#ifdef QT_MAC_USE_COCOA
+        Q_UNUSED(bs);
+        void qt_mac_set_needs_display(QWidget *, QRegion);
+        qt_mac_set_needs_display(q_func(), region);
+#else
         bs->sync(q_func(), region);
+#endif
+    }
 }
 
 void QWidgetPrivate::setUpdatesEnabled_helper(bool enable)
@@ -6422,6 +6447,8 @@ void QWidget::setTabOrder(QWidget* first, QWidget *second)
         first = fp;
     }
 
+    if (fp == second)
+        return;
 
     if (QWidget *sp = second->focusProxy())
         second = sp;
@@ -8250,7 +8277,7 @@ bool QWidget::event(QEvent *event)
         }
 
 #ifdef QT_SOFTKEYS_ENABLED
-        if (isWindow() && isActiveWindow())
+        if (isWindow())
             QSoftKeyManager::updateSoftKeys();
 #endif
 
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 878b776..da9e9eb 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -565,6 +565,25 @@ inline static void qt_mac_set_window_group_to_popup(OSWindowRef window)
 }
 #endif
 
+#ifdef QT_MAC_USE_COCOA
+void qt_mac_set_needs_display(QWidget *widget, QRegion region)
+{
+    NSView *theNSView = qt_mac_nativeview_for(widget);
+    if (region.isEmpty()) {
+        [theNSView setNeedsDisplay:YES];
+        return;
+    }
+
+    QVector<QRect> rects = region.rects();
+    for (int i = 0; i<rects.count(); ++i) {
+        const QRect &rect = rects.at(i);
+        NSRect nsrect = NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height());
+        [theNSView setNeedsDisplayInRect:nsrect];
+    }
+
+}
+#endif
+
 inline static bool updateRedirectedToGraphicsProxyWidget(QWidget *widget, const QRect &rect)
 {
     if (!widget)
@@ -2834,13 +2853,14 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
 
     //recreate and setup flags
     QObjectPrivate::setParent_helper(parent);
-    QPoint pt = q->pos();
     bool explicitlyHidden = q->testAttribute(Qt::WA_WState_Hidden) && q->testAttribute(Qt::WA_WState_ExplicitShowHide);
     if (wasCreated && !qt_isGenuineQWidget(q))
         return;
 
-    if ((data.window_flags & Qt::Sheet) && topData && topData->opacity == 242)
+    if (!q->testAttribute(Qt::WA_WState_WindowOpacitySet)) {
         q->setWindowOpacity(1.0f);
+        q->setAttribute(Qt::WA_WState_WindowOpacitySet, false);
+    }
 
     setWinId(0); //do after the above because they may want the id
 
@@ -3327,38 +3347,20 @@ void QWidgetPrivate::show_sys()
         return;
 
     bool realWindow = isRealWindow();
+#ifndef QT_MAC_USE_COCOA
     if (realWindow && !q->testAttribute(Qt::WA_Moved)) {
+        if (qt_mac_is_macsheet(q))
+            recreateMacWindow();
         q->createWinId();
         if (QWidget *p = q->parentWidget()) {
             p->createWinId();
-#ifndef QT_MAC_USE_COCOA
             RepositionWindow(qt_mac_window_for(q), qt_mac_window_for(p), kWindowCenterOnParentWindow);
-#else
-            CGRect parentFrame = NSRectToCGRect([qt_mac_window_for(p) frame]);
-            OSWindowRef windowRef = qt_mac_window_for(q);
-            NSRect windowFrame = [windowRef frame];
-            NSPoint parentCenter = NSMakePoint(CGRectGetMidX(parentFrame), CGRectGetMidY(parentFrame));
-            [windowRef setFrameTopLeftPoint:NSMakePoint(parentCenter.x - (windowFrame.size.width / 2),
-                                                        (parentCenter.y + (windowFrame.size.height / 2)))];
-#endif
         } else {
-#ifndef QT_MAC_USE_COCOA
             RepositionWindow(qt_mac_window_for(q), 0, kWindowCenterOnMainScreen);
-#else
-            // Ideally we would do a "center" here, but NSWindow's center is more equivalent to
-            // kWindowAlertPositionOnMainScreen instead of kWindowCenterOnMainScreen.
-            QRect availGeo = QApplication::desktop()->availableGeometry(q);
-            // Center the content only.
-            data.crect.moveCenter(availGeo.center());
-            QRect fStrut = frameStrut();
-            QRect frameRect(data.crect.x() - fStrut.left(), data.crect.y() - fStrut.top(),
-                            fStrut.left() + fStrut.right() + data.crect.width(),
-                            fStrut.top() + fStrut.bottom() + data.crect.height());
-            NSRect cocoaFrameRect = NSMakeRect(frameRect.x(), flipYCoordinate(frameRect.bottom() + 1), frameRect.width(), frameRect.height());
-            [qt_mac_window_for(q) setFrame:cocoaFrameRect display:NO];
-#endif
         }
     }
+#endif
+
     data.fstrut_dirty = true;
     if (realWindow) {
          // Delegates can change window state, so record some things earlier.
@@ -4251,6 +4253,22 @@ void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
             setGeometry_sys_helper(x, y, w, h, isMove);
         }
 #else
+        if (!isMove && !q->testAttribute(Qt::WA_Moved) && !q->isVisible()) {
+            // INVARIANT: The location of the window has not yet been set. The default will
+            // instead be to center it on the desktop, or over the parent, if any. Since we now
+            // resize the window, we need to adjust the top left position to keep the window
+            // centeralized. And we need to to this now (and before show) in case the positioning
+            // of other windows (e.g. sub-windows) depend on this position:
+            if (QWidget *p = q->parentWidget()) {
+                x = p->geometry().center().x() - (w / 2);
+                y = p->geometry().center().y() - (h / 2);
+            } else {
+                QRect availGeo = QApplication::desktop()->availableGeometry(q);
+                x = availGeo.center().x() - (w / 2);
+                y = availGeo.center().y() - (h / 2);
+            }
+        }
+
         QSize  olds = q->size();
         const bool isResize = (olds != QSize(w, h));
         NSWindow *window = qt_mac_window_for(q);
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index ff8f276..75b4c12 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -174,6 +174,8 @@ struct QTLWExtra {
 #ifndef QT_NO_QWS_MANAGER
     QWSManager *qwsManager;
 #endif
+#elif defined(Q_OS_SYMBIAN)
+    uint inExpose : 1; // Prevents drawing recursion
 #endif
 };
 
@@ -230,7 +232,6 @@ struct QWExtra {
 #endif
 #elif defined(Q_OS_SYMBIAN) // <----------------------------------------------------- Symbian
     uint activated : 1; // RWindowBase::Activated has been called
-    uint inExpose : 1; // Prevents drawing recursion
 
     /**
      * Defines the behaviour of QSymbianControl::Draw.
@@ -685,6 +686,7 @@ public:
     uint inDirtyList : 1;
     uint isScrolled : 1;
     uint isMoved : 1;
+    uint isGLWidget : 1;
     uint usesDoubleBufferedGLContext : 1;
 
     // *************************** Platform specific ************************************
@@ -716,7 +718,6 @@ public:
 #elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC
     // This is new stuff
     uint needWindowChange : 1;
-    uint isGLWidget : 1;
 
     // Each wiget keeps a list of all its child and grandchild OpenGL widgets.
     // This list is used to update the gl context whenever a parent and a granparent
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 00f2213..ebd289c 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -878,6 +878,7 @@ void QWidgetPrivate::registerDropSite(bool /* on */)
 void QWidgetPrivate::createTLSysExtra()
 {
     extra->topextra->backingStore = 0;
+    extra->topextra->inExpose = 0;
 }
 
 void QWidgetPrivate::deleteTLSysExtra()
@@ -891,7 +892,6 @@ void QWidgetPrivate::createSysExtra()
     extra->activated = 0;
     extra->nativePaintMode = QWExtra::Default;
     extra->receiveNativePaintEvents = 0;
-    extra->inExpose = 0;
 }
 
 void QWidgetPrivate::deleteSysExtra()
@@ -1046,96 +1046,48 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
         return;
 
     if (isWindow()) {
-#ifdef Q_WS_S60
-        // Change window decoration visibility if switching to or from fullsccreen
-        // In addition decoration visibility is changed when the initial has been
-        // WindowNoState.
-        // The window decoration visibility has to be changed before doing actual
-        // window state change since in that order the availableGeometry will return
-        // directly the right size and we will avoid unnecessarty redraws
-        if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen) ||
-            oldstate == Qt::WindowNoState) {
-            CEikStatusPane* statusPane = S60->statusPane();
-            CEikButtonGroupContainer* buttonGroup = S60->buttonGroupContainer();
-            if (newstate & Qt::WindowFullScreen) {
-                if (statusPane)
-                    statusPane->MakeVisible(false);
-                if (buttonGroup)
-                    buttonGroup->MakeVisible(false);
-            } else {
-                if (statusPane)
-                    statusPane->MakeVisible(true);
-                if (buttonGroup)
-                    buttonGroup->MakeVisible(true);
-            }
 
+        QSymbianControl *window = static_cast<QSymbianControl *>(effectiveWinId());
+        if (window && newstate & Qt::WindowMinimized) {
+            window->setFocusSafely(false);
+            window->MakeVisible(false);
+        } else if (window && oldstate & Qt::WindowMinimized) {
+            window->setFocusSafely(true);
+            window->MakeVisible(true);
         }
+
+#ifdef Q_WS_S60
+        // Hide window decoration when switching to fullsccreen / minimized otherwise show decoration.
+        // The window decoration visibility has to be changed before doing actual window state 
+        // change since in that order the availableGeometry will return directly the right size and 
+        // we will avoid unnecessarty redraws
+        CEikStatusPane* statusPane = S60->statusPane();
+        CEikButtonGroupContainer* buttonGroup = S60->buttonGroupContainer();
+        TBool visible = !(newstate & (Qt::WindowFullScreen | Qt::WindowMinimized)); 
+        if (statusPane)
+            statusPane->MakeVisible(visible);
+        if (buttonGroup)
+            buttonGroup->MakeVisible(visible);
 #endif // Q_WS_S60
 
         createWinId();
         Q_ASSERT(testAttribute(Qt::WA_WState_Created));
-        QTLWExtra *top = d->topData();
-
         // Ensure the initial size is valid, since we store it as normalGeometry below.
         if (!testAttribute(Qt::WA_Resized) && !isVisible())
             adjustSize();
 
-        if ((oldstate & Qt::WindowMaximized) != (newstate & Qt::WindowMaximized)) {
-            if ((newstate & Qt::WindowMaximized)) {
-                const QRect normalGeometry = geometry();
+        QTLWExtra *top = d->topData();
+        const QRect normalGeometry = (top->normalGeometry.width() < 0) ? geometry() : top->normalGeometry;
 
-                const QRect r = top->normalGeometry;
-                setGeometry(qApp->desktop()->availableGeometry(this));
-                top->normalGeometry = r;
+        if (newstate & Qt::WindowFullScreen)
+            setGeometry(qApp->desktop()->screenGeometry(this));
+        else if (newstate & Qt::WindowMaximized)
+            setGeometry(qApp->desktop()->availableGeometry(this));
+        else
+            setGeometry(normalGeometry);
 
-                if (top->normalGeometry.width() < 0)
-                    top->normalGeometry = normalGeometry;
-            } else {
-                // restore original geometry
-                setGeometry(top->normalGeometry);
-            }
-        }
-        if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen)) {
-            if (newstate & Qt::WindowFullScreen) {
-                const QRect normalGeometry = geometry();
-                const QRect r = top->normalGeometry;
-                setGeometry(qApp->desktop()->screenGeometry(this));
-
-                top->normalGeometry = r;
-                if (top->normalGeometry.width() < 0)
-                    top->normalGeometry = normalGeometry;
-            } else {
-                if (newstate & Qt::WindowMaximized) {
-                    const QRect r = top->normalGeometry;
-                    setGeometry(qApp->desktop()->availableGeometry(this));
-                    top->normalGeometry = r;
-                } else {
-                    setGeometry(top->normalGeometry);
-                }
-            }
-        }
-        if ((oldstate & Qt::WindowMinimized) != (newstate & Qt::WindowMinimized)) {
-            if (newstate & Qt::WindowMinimized) {
-                if (isVisible()) {
-                    QSymbianControl *id = static_cast<QSymbianControl *>(effectiveWinId());
-                    if (id->IsFocused()) // Avoid unnecessary calls to FocusChanged()
-                        id->setFocusSafely(false);
-                    id->MakeVisible(false);
-                }
-            } else {
-                if (isVisible()) {
-                    QSymbianControl *id = static_cast<QSymbianControl *>(effectiveWinId());
-                    id->MakeVisible(true);
-                    if (!id->IsFocused()) // Avoid unnecessary calls to FocusChanged()
-                        id->setFocusSafely(true);
-                }
-                const QRect normalGeometry = geometry();
-                const QRect r = top->normalGeometry;
-                top->normalGeometry = r;
-                if (top->normalGeometry.width() < 0)
-                    top->normalGeometry = normalGeometry;
-            }
-        }
+        //restore normal geometry
+        top->normalGeometry = normalGeometry;
     }
 
     data->window_state = newstate;
@@ -1195,6 +1147,10 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 
     if (destroyWindow) {
         delete id;
+        // At this point the backing store should already be destroyed
+        // so we flush the command buffer to ensure that the freeing of
+        // those resources and deleting the window can happen "atomically"
+        S60->wsSession().Flush();
     }
 }
 
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 4684bc1..10fb009 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -346,11 +346,6 @@ Q_GUI_EXPORT void qt_x11_enforce_cursor(QWidget * w)
     qt_x11_enforce_cursor(w, false);
 }
 
-static Bool checkForConfigureAndExpose(Display *, XEvent *e, XPointer)
-{
-    return e->type == ConfigureNotify || e->type == Expose;
-}
-
 Q_GUI_EXPORT void qt_x11_wait_for_window_manager(QWidget* w)
 {
     if (!w || (!w->isWindow() && !w->internalWinId()))
@@ -363,38 +358,60 @@ Q_GUI_EXPORT void qt_x11_wait_for_window_manager(QWidget* w)
     if (!w->testAttribute(Qt::WA_WState_Created))
         return;
 
-    if (!(w->windowFlags() & Qt::X11BypassWindowManagerHint)) {
-        // if the window is not override-redirect, then the window manager
-        // will reparent us to the frame decoration window.
-        while (!XCheckTypedWindowEvent(X11->display, w->effectiveWinId(), ReparentNotify, &ev)) {
-            if (t.elapsed() > maximumWaitTime)
-                return;
-            qApp->syncX(); // non-busy wait
-        }
-    }
+    WId winid = w->internalWinId();
 
-    while (!XCheckTypedWindowEvent(X11->display, w->effectiveWinId(), MapNotify, &ev)) {
-        if (t.elapsed() > maximumWaitTime)
-            return;
-        qApp->syncX(); // non-busy wait
-    }
+    // first deliver events that are already in the local queue
+    QApplication::sendPostedEvents();
 
-    qApp->x11ProcessEvent(&ev);
+    // the normal sequence is:
+    //  ... ConfigureNotify ... ReparentNotify ... MapNotify ... Expose
+    // with X11BypassWindowManagerHint:
+    //  ConfigureNotify ... MapNotify ... Expose
 
-    // ok, seems like the window manager successfully reparented us, we'll wait
-    // for the first paint event to arrive, while handling ConfigureNotify in
-    // the arrival order
-    while(1)
-    {
-        if (XCheckIfEvent(X11->display, &ev, checkForConfigureAndExpose, 0)) {
+    enum State {
+        Initial, Reparented, Mapped
+    } state = Initial;
+
+    do {
+        if (XEventsQueued(X11->display, QueuedAlready)) {
+            XNextEvent(X11->display, &ev);
             qApp->x11ProcessEvent(&ev);
-            if (ev.type == Expose)
-                return;
+
+            if (w->windowFlags() & Qt::X11BypassWindowManagerHint) {
+                switch (state) {
+                case Initial:
+                case Reparented:
+                    if (ev.type == MapNotify && ev.xany.window == winid)
+                        state = Mapped;
+                    break;
+                case Mapped:
+                    if (ev.type == Expose && ev.xany.window == winid)
+                        return;
+                    break;
+                }
+            } else {
+                switch (state) {
+                case Initial:
+                    if (ev.type == ReparentNotify && ev.xany.window == winid)
+                        state = Reparented;
+                    break;
+                case Reparented:
+                    if (ev.type == MapNotify && ev.xany.window == winid)
+                        state = Mapped;
+                    break;
+                case Mapped:
+                    if (ev.type == Expose && ev.xany.window == winid)
+                        return;
+                    break;
+                }
+            }
+        } else {
+            if (!XEventsQueued(X11->display, QueuedAfterFlush))
+                qApp->syncX(); // non-busy wait
         }
         if (t.elapsed() > maximumWaitTime)
             return;
-        qApp->syncX(); // non-busy wait
-    }
+    } while(1);
 }
 
 void qt_change_net_wm_state(const QWidget* w, bool set, Atom one, Atom two = 0)