Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt into 4.7

Conflicts:
	doc/src/declarative/declarativeui.qdoc
	doc/src/examples/qml-examples.qdoc

8 files changed, 411 insertions, 56 deletions

diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 43634ef..3d2c9d6 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -599,6 +599,8 @@ public:
     int pressureSupported;
     int maxTouchPressure;
     QList<QTouchEvent::TouchPoint> appAllTouchPoints;
+
+    bool useTranslucentEGLSurfaces;
 #endif
 
 private:
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index fb0c6b8..2b10d63 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -96,6 +96,9 @@ QT_BEGIN_NAMESPACE
 // Goom Events through Window Server
 static const int KGoomMemoryLowEvent = 0x10282DBF;
 static const int KGoomMemoryGoodEvent = 0x20026790;
+// Split view open/close events from AVKON
+static const int KSplitViewOpenEvent = 0x2001E2C0;
+static const int KSplitViewCloseEvent = 0x2001E2C1;
 
 #if defined(QT_DEBUG)
 static bool        appNoGrab        = false;        // Grabbing enabled
@@ -401,6 +404,7 @@ QSymbianControl::QSymbianControl(QWidget *w)
     , m_longTapDetector(0)
     , m_ignoreFocusChanged(0)
     , m_symbianPopupIsOpen(0)
+    , m_inExternalScreenOverride(false)
 {
 }
 
@@ -408,9 +412,11 @@ void QSymbianControl::ConstructL(bool isWindowOwning, bool desktop)
 {
     if (!desktop)
     {
-        if (isWindowOwning || !qwidget->parentWidget())
-            CreateWindowL(S60->windowGroup());
-        else
+        if (isWindowOwning || !qwidget->parentWidget()
+            || qwidget->parentWidget()->windowType() == Qt::Desktop) {
+            RWindowGroup &wg(S60->windowGroup(qwidget));
+            CreateWindowL(wg);
+        } else {
             /**
              * TODO: in order to avoid creating windows for all ancestors of
              * this widget up to the root window, the parameter passed to
@@ -420,6 +426,7 @@ void QSymbianControl::ConstructL(bool isWindowOwning, bool desktop)
              * is created for a widget between this one and the root window.
              */
             CreateWindowL(qwidget->parentWidget()->winId());
+        }
 
         // Necessary in order to be able to track the activation status of
         // the control's window
@@ -452,7 +459,7 @@ void QSymbianControl::ConstructL(bool isWindowOwning, bool desktop)
             windowPurpose = ETfxPurposeSplashScreenWindow;
             break;
         default:
-            windowPurpose = (isWindowOwning || !qwidget->parentWidget())
+            windowPurpose = (isWindowOwning || !qwidget->parentWidget() || qwidget->parentWidget()->windowType() == Qt::Desktop)
                             ? ETfxPurposeWindow : ETfxPurposeChildWindow;
             break;
         }
@@ -983,14 +990,15 @@ TKeyResponse QSymbianControl::handleVirtualMouse(const TKeyEvent& keyEvent,TEven
                 }
             }
             //clip to screen size (window server allows a sprite hotspot to be outside the screen)
+            int screenNumber = S60->screenNumberForWidget(qwidget);
             if (x < 0)
                 x = 0;
-            else if (x >= S60->screenWidthInPixels)
-                x = S60->screenWidthInPixels - 1;
+            else if (x >= S60->screenWidthInPixelsForScreen[screenNumber])
+                x = S60->screenWidthInPixelsForScreen[screenNumber] - 1;
             if (y < 0)
                 y = 0;
-            else if (y >= S60->screenHeightInPixels)
-                y = S60->screenHeightInPixels - 1;
+            else if (y >= S60->screenHeightInPixelsForScreen[screenNumber])
+                y = S60->screenHeightInPixelsForScreen[screenNumber] - 1;
             TPoint epos(x, y);
             TPoint cpos = epos - PositionRelativeToScreen();
             fakeEvent.iPosition = cpos;
@@ -1124,7 +1132,8 @@ void QSymbianControl::Draw(const TRect& controlRect) const
             // Do nothing
             break;
         case QWExtra::Blit:
-            if (qwidget->d_func()->isOpaque)
+        case QWExtra::BlitWriteAlpha:
+            if (qwidget->d_func()->isOpaque || nativePaintMode == QWExtra::BlitWriteAlpha)
                 gc.SetDrawMode(CGraphicsContext::EDrawModeWriteAlpha);
             gc.BitBlt(controlRect.iTl, bitmap, backingStoreRect);
             break;
@@ -1167,6 +1176,18 @@ void QSymbianControl::SizeChanged()
     QSize newSize(Size().iWidth, Size().iHeight);
 
     if (oldSize != newSize) {
+        const bool isFullscreen = qwidget->windowState() & Qt::WindowFullScreen;
+        const int screenNumber = S60->screenNumberForWidget(qwidget);
+        if (!m_inExternalScreenOverride && isFullscreen && screenNumber > 0) {
+            int screenWidth = S60->screenWidthInPixelsForScreen[screenNumber];
+            int screenHeight = S60->screenHeightInPixelsForScreen[screenNumber];
+            TSize screenSize(screenWidth, screenHeight);
+            if (screenWidth > 0 && screenHeight > 0 && screenSize != Size()) {
+                m_inExternalScreenOverride = true;
+                SetExtent(TPoint(0, 0), screenSize);
+                return;
+            }
+        }
         QRect cr = qwidget->geometry();
         cr.setSize(newSize);
         qwidget->data->crect = cr;
@@ -1189,6 +1210,8 @@ void QSymbianControl::SizeChanged()
         }
     }
 
+    m_inExternalScreenOverride = false;
+
     // CCoeControl::SetExtent calls SizeChanged, but does not call
     // PositionChanged, so we call it here to ensure that the widget's
     // position is updated.
@@ -1224,6 +1247,11 @@ void QSymbianControl::FocusChanged(TDrawNow /* aDrawNow */)
     if (m_ignoreFocusChanged || (qwidget->windowType() & Qt::WindowType_Mask) == Qt::Desktop)
         return;
 
+#ifdef Q_WS_S60
+    if (S60->splitViewLastWidget)
+        return;
+#endif
+
     // Popups never get focused, but still receive the FocusChanged when they are hidden.
     if (QApplicationPrivate::popupWidgets != 0
             || (qwidget->windowType() & Qt::Popup) == Qt::Popup)
@@ -1302,9 +1330,56 @@ void QSymbianControl::handleClientAreaChange()
     }
 }
 
+bool QSymbianControl::isSplitViewWidget(QWidget *widget) {
+    bool returnValue = true;
+    //Ignore events sent to non-active windows, not visible widgets and not parents of input widget.
+    if (!qwidget->isActiveWindow()
+        || !qwidget->isVisible()
+        || !qwidget->isAncestorOf(widget)) {
+
+        returnValue = false;
+    }
+    return returnValue;
+}
+
 void QSymbianControl::HandleResourceChange(int resourceType)
 {
     switch (resourceType) {
+    case KSplitViewCloseEvent: //intentional fall-through
+    case KSplitViewOpenEvent: {
+#if !defined(QT_NO_IM) && defined(Q_WS_S60)
+
+        //Fetch widget getting the text input
+        QWidget *widget = QWidget::keyboardGrabber();
+        if (!widget) {
+            if (QApplicationPrivate::popupWidgets) {
+                widget = QApplication::activePopupWidget()->focusWidget();
+                if (!widget) {
+                    widget = QApplication::activePopupWidget();
+                }
+            } else {
+                widget = QApplicationPrivate::focus_widget;
+                if (!widget) {
+                    widget = qwidget;
+                }
+            }
+        }
+        if (widget) {
+            QCoeFepInputContext *ic = qobject_cast<QCoeFepInputContext *>(widget->inputContext());
+            if (!ic) {
+                ic = qobject_cast<QCoeFepInputContext *>(qApp->inputContext());
+            }
+            if (ic && isSplitViewWidget(widget)) {
+                if (resourceType == KSplitViewCloseEvent) {
+                    ic->resetSplitViewWidget();
+                } else {
+                    ic->ensureFocusWidgetVisible(widget);
+                }
+            }
+        }
+#endif // !defined(QT_NO_IM) && defined(Q_WS_S60)
+    }
+    break;
     case KInternalStatusPaneChange:
         handleClientAreaChange();
         if (IsFocused() && IsVisible()) {
@@ -1590,6 +1665,32 @@ void qt_init(QApplicationPrivate * /* priv */, int)
     QObject::connect(qApp, SIGNAL(aboutToQuit()), qApp, SLOT(_q_aboutToQuit()));
 #endif
 
+#ifdef Q_SYMBIAN_SEMITRANSPARENT_BG_SURFACE
+    QApplicationPrivate::instance()->useTranslucentEGLSurfaces = true;
+
+    const TUid KIvePropertyCat = {0x2726beef};
+    enum TIvePropertyChipType {
+        EVCBCM2727B1 = 0x00000000,
+        EVCBCM2763A0 = 0x04000100,
+        EVCBCM2763B0 = 0x04000102,
+        EVCBCM2763C0 = 0x04000103,
+        EVCBCM2763C1 = 0x04000104,
+        EVCBCMUnknown = 0x7fffffff
+    };
+
+    TInt chipType = EVCBCMUnknown;
+    if (RProperty::Get(KIvePropertyCat, 0 /*chip type*/, chipType) == KErrNone) {
+        if (chipType == EVCBCM2727B1) {
+            // We have only 32MB GPU memory. Use raster surfaces
+            // for transparent TLWs.
+            QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
+        }
+    } else {
+        QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
+    }
+#else
+    QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
+#endif
 /*
  ### Commented out for now as parameter handling not needed in SOS(yet). Code below will break testlib with -o flag
     int argc = priv->argc;
@@ -1979,7 +2080,10 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
             return 1;
         }
         break;
-    case EEventScreenDeviceChanged:
+    case EEventScreenDeviceChanged: // fallthrough
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+    case EEventDisplayChanged:
+#endif
         if (callSymbianEventFilters(symbianEvent))
             return 1;
         if (S60)
diff --git a/src/gui/kernel/qclipboard_win.cpp b/src/gui/kernel/qclipboard_win.cpp
index 52b9663..ea41165 100644
--- a/src/gui/kernel/qclipboard_win.cpp
+++ b/src/gui/kernel/qclipboard_win.cpp
@@ -52,6 +52,7 @@
 #include "qt_windows.h"
 #include "qdnd_p.h"
 #include <private/qwidget_p.h>
+#include <private/qsystemlibrary_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -70,6 +71,9 @@ void QtCeFlushClipboard();
 
 #endif
 
+typedef BOOL (WINAPI *PtrIsHungAppWindow)(HWND);
+
+static PtrIsHungAppWindow ptrIsHungAppWindow = 0;
 
 class QClipboardWatcher : public QInternalMimeData {
 public:
@@ -327,9 +331,16 @@ bool QClipboard::event(QEvent *e)
             d->releaseIData();
         propagate = true;
     }
-
     if (propagate && d->nextClipboardViewer) {
-        SendMessage(d->nextClipboardViewer, m->message, m->wParam, m->lParam);
+        if (ptrIsHungAppWindow == 0) {
+            QSystemLibrary library(QLatin1String("User32"));
+            ptrIsHungAppWindow = (PtrIsHungAppWindow)library.resolve("IsHungAppWindow");
+        }
+        if (ptrIsHungAppWindow && ptrIsHungAppWindow(d->nextClipboardViewer)) {
+            qWarning("%s: Cowardly refusing to send clipboard message to hung application...", Q_FUNC_INFO);
+        } else {
+            SendMessage(d->nextClipboardViewer, m->message, m->wParam, m->lParam);
+        }
     }
 
     return true;
diff --git a/src/gui/kernel/qdesktopwidget_s60.cpp b/src/gui/kernel/qdesktopwidget_s60.cpp
index 3653ae2..62a4d40 100644
--- a/src/gui/kernel/qdesktopwidget_s60.cpp
+++ b/src/gui/kernel/qdesktopwidget_s60.cpp
@@ -44,36 +44,67 @@
 #include "qwidget_p.h"
 #include "qt_s60_p.h"
 #include <w32std.h>
-
-#include "hal.h"
-#include "hal_data.h"
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+#include <graphics/displaycontrol.h>
+#endif
 
 QT_BEGIN_NAMESPACE
 
-class QDesktopWidgetPrivate : public QWidgetPrivate
+extern int qt_symbian_create_desktop_on_screen;
+
+class QSingleDesktopWidget : public QWidget
+{
+public:
+    QSingleDesktopWidget();
+    ~QSingleDesktopWidget();
+};
+
+QSingleDesktopWidget::QSingleDesktopWidget()
+    : QWidget(0, Qt::Desktop)
+{
+}
+
+QSingleDesktopWidget::~QSingleDesktopWidget()
 {
+    const QObjectList &childList = children();
+    for (int i = childList.size(); i > 0 ;) {
+        --i;
+        childList.at(i)->setParent(0);
+    }
+}
 
+class QDesktopWidgetPrivate : public QWidgetPrivate
+{
 public:
     QDesktopWidgetPrivate();
     ~QDesktopWidgetPrivate();
-
     static void init(QDesktopWidget *that);
     static void cleanup();
+    static void init_sys();
 
     static int screenCount;
     static int primaryScreen;
 
     static QVector<QRect> *rects;
     static QVector<QRect> *workrects;
+    static QVector<QWidget *> *screens;
 
     static int refcount;
+
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+    static MDisplayControl *displayControl;
+#endif
 };
 
 int QDesktopWidgetPrivate::screenCount = 1;
 int QDesktopWidgetPrivate::primaryScreen = 0;
 QVector<QRect> *QDesktopWidgetPrivate::rects = 0;
 QVector<QRect> *QDesktopWidgetPrivate::workrects = 0;
+QVector<QWidget *> *QDesktopWidgetPrivate::screens = 0;
 int QDesktopWidgetPrivate::refcount = 0;
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+MDisplayControl *QDesktopWidgetPrivate::displayControl = 0;
+#endif
 
 QDesktopWidgetPrivate::QDesktopWidgetPrivate()
 {
@@ -88,25 +119,55 @@ QDesktopWidgetPrivate::~QDesktopWidgetPrivate()
 
 void QDesktopWidgetPrivate::init(QDesktopWidget *that)
 {
-    Q_UNUSED(that);
-//    int 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;
+    // Note that on S^3 devices the screen count retrieved via RWsSession
+    // will always be 2 but the width and height for screen number 1 will
+    // be 0 as long as TV-out is not connected.
+    //
+    // On the other hand a valid size for screen 1 will be reported even
+    // after the cable is disconnected. In order to overcome this, we use
+    // MDisplayControl::NumberOfResolutions() to check if the display is
+    // valid or not.
+
+    screenCount = S60->screenCount();
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+    if (displayControl) {
+        if (displayControl->NumberOfResolutions() < 1)
+            screenCount = 1;
+    }
+#endif
+    if (screenCount < 1) {
+        qWarning("No screen available");
+        screenCount = 1;
+    }
 
     rects = new QVector<QRect>();
     workrects = new QVector<QRect>();
-
-    rects->resize(QDesktopWidgetPrivate::screenCount);
-    workrects->resize(QDesktopWidgetPrivate::screenCount);
-
-    (*rects)[0].setRect(0, 0, S60->screenWidthInPixels, S60->screenHeightInPixels);
-    QRect wr = qt_TRect2QRect(static_cast<CEikAppUi*>(S60->appUi())->ClientRect());
-    (*workrects)[0].setRect(wr.x(), wr.y(), wr.width(), wr.height());
+    screens = new QVector<QWidget *>();
+
+    rects->resize(screenCount);
+    workrects->resize(screenCount);
+    screens->resize(screenCount);
+
+    for (int i = 0; i < screenCount; ++i) {
+        // All screens will have a position of (0, 0) as there is no true virtual desktop
+        // or pointer event support for multiple screens on Symbian.
+        QRect r(0, 0,
+            S60->screenWidthInPixelsForScreen[i], S60->screenHeightInPixelsForScreen[i]);
+        // Stop here if empty and ignore this screen.
+        if (r.isEmpty()) {
+            screenCount = i;
+            break;
+        }
+        (*rects)[i] = r;
+        QRect wr;
+        if (i == 0)
+            wr = qt_TRect2QRect(static_cast<CEikAppUi*>(S60->appUi())->ClientRect());
+        else
+            wr = rects->at(i);
+        (*workrects)[i].setRect(wr.x(), wr.y(), wr.width(), wr.height());
+        (*screens)[i] = 0;
+    }
+    (*screens)[0] = that;
 }
 
 void QDesktopWidgetPrivate::cleanup()
@@ -115,6 +176,29 @@ void QDesktopWidgetPrivate::cleanup()
     rects = 0;
     delete workrects;
     workrects = 0;
+    if (screens) {
+        // First item is the QDesktopWidget so skip it.
+        for (int i = 1; i < screens->count(); ++i)
+            delete screens->at(i);
+    }
+    delete screens;
+    screens = 0;
+}
+
+void QDesktopWidgetPrivate::init_sys()
+{
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+    if (S60->screenCount() > 1) {
+        CWsScreenDevice *dev = S60->screenDevice(1);
+        if (dev) {
+            displayControl = static_cast<MDisplayControl *>(
+                        dev->GetInterface(MDisplayControl::ETypeId));
+            if (displayControl) {
+                displayControl->EnableDisplayChangeEvents(ETrue);
+            }
+        }
+    }
+#endif
 }
 
 
@@ -122,6 +206,7 @@ QDesktopWidget::QDesktopWidget()
     : QWidget(*new QDesktopWidgetPrivate, 0, Qt::Desktop)
 {
     setObjectName(QLatin1String("desktop"));
+    QDesktopWidgetPrivate::init_sys();
     QDesktopWidgetPrivate::init(this);
 }
 
@@ -131,7 +216,7 @@ QDesktopWidget::~QDesktopWidget()
 
 bool QDesktopWidget::isVirtualDesktop() const
 {
-    return true;
+    return false;
 }
 
 int QDesktopWidget::primaryScreen() const
@@ -145,9 +230,23 @@ int QDesktopWidget::numScreens() const
     return QDesktopWidgetPrivate::screenCount;
 }
 
-QWidget *QDesktopWidget::screen(int /* screen */)
+static inline QWidget *newSingleDesktopWidget(int screen)
 {
-    return this;
+    qt_symbian_create_desktop_on_screen = screen;
+    QWidget *w = new QSingleDesktopWidget;
+    qt_symbian_create_desktop_on_screen = -1;
+    return w;
+}
+
+QWidget *QDesktopWidget::screen(int screen)
+{
+    Q_D(QDesktopWidget);
+    if (screen < 0 || screen >= d->screenCount)
+        screen = d->primaryScreen;
+    if (!d->screens->at(screen)
+        || d->screens->at(screen)->windowType() != Qt::Desktop)
+        (*d->screens)[screen] = newSingleDesktopWidget(screen);
+    return (*d->screens)[screen];
 }
 
 const QRect QDesktopWidget::availableGeometry(int screen) const
@@ -168,14 +267,19 @@ const QRect QDesktopWidget::screenGeometry(int screen) const
     return d->rects->at(screen);
 }
 
-int QDesktopWidget::screenNumber(const QWidget * /* widget */) const
+int QDesktopWidget::screenNumber(const QWidget *widget) const
 {
-    return QDesktopWidgetPrivate::primaryScreen;
+    Q_D(const QDesktopWidget);
+    return widget
+        ? S60->screenNumberForWidget(widget)
+        : d->primaryScreen;
 }
 
-int QDesktopWidget::screenNumber(const QPoint & /* point */) const
+int QDesktopWidget::screenNumber(const QPoint &point) const
 {
-    return QDesktopWidgetPrivate::primaryScreen;
+    Q_UNUSED(point);
+    Q_D(const QDesktopWidget);
+    return d->primaryScreen;
 }
 
 void QDesktopWidget::resizeEvent(QResizeEvent *)
@@ -203,6 +307,10 @@ void QDesktopWidget::resizeEvent(QResizeEvent *)
         if (oldrect != newrect)
             emit workAreaResized(j);
     }
+
+    if (oldscreencount != d->screenCount) {
+        emit screenCountChanged(d->screenCount);
+    }
 }
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index 40697bf..3bb27c3 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -64,6 +64,7 @@
 #include "qapplication.h"
 #include "qelapsedtimer.h"
 #include "QtCore/qthreadstorage.h"
+#include "qwidget_p.h"
 #include <w32std.h>
 #include <coecntrl.h>
 #include <eikenv.h>
@@ -84,6 +85,8 @@ QT_BEGIN_NAMESPACE
 // system events seems to start with 0x10
 const TInt KInternalStatusPaneChange = 0x50000000;
 
+static const int qt_symbian_max_screens = 4;
+
 //this macro exists because EColor16MAP enum value doesn't exist in Symbian OS 9.2
 #define Q_SYMBIAN_ECOLOR16MAP TDisplayMode(13)
 
@@ -142,7 +145,10 @@ public:
     int avkonComponentsSupportTransparency : 1;
     int menuBeingConstructed : 1;
     int orientationSet : 1;
+    int partial_keyboard : 1;
     QApplication::QS60MainApplicationFactory s60ApplicationFactory; // typedef'ed pointer type
+    QPointer<QWidget> splitViewLastWidget;
+
     static CEikButtonGroupContainer *cba;
 
     enum ScanCodeState {
@@ -154,8 +160,14 @@ public:
 
     static inline void updateScreenSize();
     inline RWsSession& wsSession();
+    static inline int screenCount();
     static inline RWindowGroup& windowGroup();
+    static inline RWindowGroup& windowGroup(const QWidget *widget);
+    static inline RWindowGroup& windowGroup(int screenNumber);
     inline CWsScreenDevice* screenDevice();
+    inline CWsScreenDevice* screenDevice(const QWidget *widget);
+    inline CWsScreenDevice* screenDevice(int screenNumber);
+    static inline int screenNumberForWidget(const QWidget *widget);
     static inline CCoeAppUi* appUi();
     static inline CEikMenuBar* menuBar();
 #ifdef Q_WS_S60
@@ -172,6 +184,11 @@ public:
 #ifdef Q_OS_SYMBIAN
     TTrapHandler *s60InstalledTrapHandler;
 #endif
+
+    int screenWidthInPixelsForScreen[qt_symbian_max_screens];
+    int screenHeightInPixelsForScreen[qt_symbian_max_screens];
+    int screenWidthInTwipsForScreen[qt_symbian_max_screens];
+    int screenHeightInTwipsForScreen[qt_symbian_max_screens];
 };
 
 Q_AUTOTEST_EXPORT QS60Data* qGlobalS60Data();
@@ -252,6 +269,7 @@ private:
 #ifdef QT_SYMBIAN_SUPPORTS_ADVANCED_POINTER
     void translateAdvancedPointerEvent(const TAdvancedPointerEvent *event);
 #endif
+    bool isSplitViewWidget(QWidget *widget);
 
 public:
     void handleClientAreaChange();
@@ -270,6 +288,8 @@ private:
     // Fader object used to fade everything except this menu and the CBA.
     TAknPopupFader popupFader;
 #endif
+
+    bool m_inExternalScreenOverride : 1;
 };
 
 inline QS60Data::QS60Data()
@@ -297,6 +317,7 @@ inline QS60Data::QS60Data()
   avkonComponentsSupportTransparency(0),
   menuBeingConstructed(0),
   orientationSet(0),
+  partial_keyboard(0),
   s60ApplicationFactory(0)
 #ifdef Q_OS_SYMBIAN
   ,s60InstalledTrapHandler(0)
@@ -320,6 +341,17 @@ inline void QS60Data::updateScreenSize()
     S60->defaultDpiY = S60->screenHeightInPixels / inches;
     inches = S60->screenWidthInTwips / (TReal)KTwipsPerInch;
     S60->defaultDpiX = S60->screenWidthInPixels / inches;
+
+    int screens = S60->screenCount();
+    for (int i = 0; i < screens; ++i) {
+        CWsScreenDevice *dev = S60->screenDevice(i);
+        mode = dev->CurrentScreenMode();
+        dev->GetScreenModeSizeAndRotation(mode, params);
+        S60->screenWidthInPixelsForScreen[i] = params.iPixelSize.iWidth;
+        S60->screenHeightInPixelsForScreen[i] = params.iPixelSize.iHeight;
+        S60->screenWidthInTwipsForScreen[i] = params.iTwipsSize.iWidth;
+        S60->screenHeightInTwipsForScreen[i] = params.iTwipsSize.iHeight;
+    }
 }
 
 inline RWsSession& QS60Data::wsSession()
@@ -330,11 +362,38 @@ inline RWsSession& QS60Data::wsSession()
     return tls.localData()->wsSession;
 }
 
+inline int QS60Data::screenCount()
+{
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+    CCoeEnv *env = CCoeEnv::Static();
+    if (env) {
+        return qMin(env->WsSession().NumberOfScreens(), qt_symbian_max_screens);
+    }
+#endif
+    return 1;
+}
+
 inline RWindowGroup& QS60Data::windowGroup()
 {
     return CCoeEnv::Static()->RootWin();
 }
 
+inline RWindowGroup& QS60Data::windowGroup(const QWidget *widget)
+{
+    return windowGroup(screenNumberForWidget(widget));
+}
+
+inline RWindowGroup& QS60Data::windowGroup(int screenNumber)
+{
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+    RWindowGroup *wg = CCoeEnv::Static()->RootWin(screenNumber);
+    return wg ? *wg : windowGroup();
+#else
+    Q_UNUSED(screenNumber);
+    return windowGroup();
+#endif
+}
+
 inline CWsScreenDevice* QS60Data::screenDevice()
 {
     if(!tls.hasLocalData()) {
@@ -343,6 +402,36 @@ inline CWsScreenDevice* QS60Data::screenDevice()
     return tls.localData()->screenDevice;
 }
 
+inline CWsScreenDevice* QS60Data::screenDevice(const QWidget *widget)
+{
+    return screenDevice(screenNumberForWidget(widget));
+}
+
+inline CWsScreenDevice* QS60Data::screenDevice(int screenNumber)
+{
+#if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
+    CCoeEnv *env = CCoeEnv::Static();
+    if (env) {
+        CWsScreenDevice *dev = env->ScreenDevice(screenNumber);
+        return dev ? dev : screenDevice();
+    } else {
+        return screenDevice();
+    }
+#else
+    return screenDevice();
+#endif
+}
+
+inline int QS60Data::screenNumberForWidget(const QWidget *widget)
+{
+    if (!widget)
+        return 0;
+    const QWidget *w = widget;
+    while (w->parentWidget())
+        w = w->parentWidget();
+    return qt_widget_private(const_cast<QWidget *>(w))->symbianScreenNumber;
+}
+
 inline CCoeAppUi* QS60Data::appUi()
 {
     return CCoeEnv::Static()-> AppUi();
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 7065e85..e8d9efd 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -304,6 +304,8 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , hasAlienChildren(0)
       , window_event(0)
       , qd_hd(0)
+#elif defined(Q_OS_SYMBIAN)
+      , symbianScreenNumber(0)
 #endif
 {
     if (!qApp) {
@@ -1284,6 +1286,10 @@ void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
         // programmer specified desktop widget
         xinfo = desktopWidget->d_func()->xinfo;
     }
+#elif defined(Q_OS_SYMBIAN)
+    if (desktopWidget) {
+        symbianScreenNumber = qt_widget_private(desktopWidget)->symbianScreenNumber;
+    }
 #else
     Q_UNUSED(desktopWidget);
 #endif
@@ -1320,8 +1326,8 @@ void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
     //give potential windows a bigger "pre-initial" size; create_sys() will give them a new size later
 #ifdef Q_OS_SYMBIAN
     if (isGLWidget) {
-        // Don't waste GPU mem for unnecessary large egl surface
-        data.crect = QRect(0,0,2,2);
+        // Don't waste GPU mem for unnecessary large egl surface until resized by application
+        data.crect = QRect(0,0,1,1);
     } else {
         data.crect = parentWidget ? QRect(0,0,100,30) : QRect(0,0,360,640);
     }
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 9f6ba6f..13e2349 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -315,6 +315,11 @@ struct QWExtra {
          */
         ZeroFill,
 
+        /**
+         * Blit backing store, propagating alpha channel into the framebuffer.
+         */
+        BlitWriteAlpha,
+
         Default = Blit
     };
 
@@ -877,6 +882,7 @@ public:
 #elif defined(Q_OS_SYMBIAN) // <--------------------------------------------------------- SYMBIAN
     static QWidget *mouseGrabber;
     static QWidget *keyboardGrabber;
+    int symbianScreenNumber; // only valid for desktop widget and top-levels
     void s60UpdateIsOpaque();
     void reparentChildren();
     void registerTouchWindow();
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index af9ae47..b65ae4d 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -84,6 +84,8 @@ QWidget *QWidgetPrivate::mouseGrabber = 0;
 QWidget *QWidgetPrivate::keyboardGrabber = 0;
 CEikButtonGroupContainer *QS60Data::cba = 0;
 
+int qt_symbian_create_desktop_on_screen = -1;
+
 static bool isEqual(const QList<QAction*>& a, const QList<QAction*>& b)
 {
     if ( a.count() != b.count())
@@ -349,12 +351,18 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
     int sh = clientRect.Height();
 
     if (desktop) {
-        TSize screenSize = S60->screenDevice()->SizeInPixels();
+        symbianScreenNumber = qMax(qt_symbian_create_desktop_on_screen, 0);
+        TSize screenSize = S60->screenDevice(symbianScreenNumber)->SizeInPixels();
         data.crect.setRect(0, 0, screenSize.iWidth, screenSize.iHeight);
         q->setAttribute(Qt::WA_DontShowOnScreen);
     } else if (topLevel && !q->testAttribute(Qt::WA_Resized)){
         int width = sw;
         int height = sh;
+        if (symbianScreenNumber > 0) {
+            TSize screenSize = S60->screenDevice(symbianScreenNumber)->SizeInPixels();
+            width = screenSize.iWidth;
+            height = screenSize.iHeight;
+        }
         if (extra) {
             width = qMax(qMin(width, extra->maxw), extra->minw);
             height = qMax(qMin(height, extra->maxh), extra->minh);
@@ -640,7 +648,7 @@ void QWidgetPrivate::raise_sys()
 
         // If toplevel widget, raise app to foreground
         if (q->isWindow())
-            S60->wsSession().SetWindowGroupOrdinalPosition(S60->windowGroup().Identifier(), 0);
+            S60->wsSession().SetWindowGroupOrdinalPosition(S60->windowGroup(q).Identifier(), 0);
     }
 }
 
@@ -652,7 +660,7 @@ void QWidgetPrivate::lower_sys()
     if (q->internalWinId()) {
         // If toplevel widget, lower app to background
         if (q->isWindow())
-            S60->wsSession().SetWindowGroupOrdinalPosition(S60->windowGroup().Identifier(), -1);
+            S60->wsSession().SetWindowGroupOrdinalPosition(S60->windowGroup(q).Identifier(), -1);
         else
             q->internalWinId()->DrawableWindow()->SetOrdinalPosition(-1);
     }
@@ -722,6 +730,11 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
 {
     Q_Q(QWidget);
 
+    if (parent && parent->windowType() == Qt::Desktop) {
+        symbianScreenNumber = qt_widget_private(parent)->symbianScreenNumber;
+        parent = 0;
+    }
+
     bool wasCreated = q->testAttribute(Qt::WA_WState_Created);
 
     if (q->isVisible() && q->parentWidget() && parent != q->parentWidget())
@@ -792,25 +805,33 @@ void QWidgetPrivate::s60UpdateIsOpaque()
 {
     Q_Q(QWidget);
 
-    if (!q->testAttribute(Qt::WA_WState_Created) || !q->testAttribute(Qt::WA_TranslucentBackground))
+    if (!q->testAttribute(Qt::WA_WState_Created))
         return;
 
+    const bool writeAlpha = extraData()->nativePaintMode == QWExtra::BlitWriteAlpha;
+    if (!q->testAttribute(Qt::WA_TranslucentBackground) && !writeAlpha)
+        return;
+    const bool requireAlphaChannel = !isOpaque || writeAlpha;
+
     createTLExtra();
 
     RWindow *const window = static_cast<RWindow *>(q->effectiveWinId()->DrawableWindow());
 
 #ifdef Q_SYMBIAN_SEMITRANSPARENT_BG_SURFACE
-    window->SetSurfaceTransparency(!isOpaque);
-    extra->topextra->nativeWindowTransparencyEnabled = !isOpaque;
-#else
-    if (!isOpaque) {
+    if (QApplicationPrivate::instance()->useTranslucentEGLSurfaces) {
+        window->SetSurfaceTransparency(!isOpaque);
+        extra->topextra->nativeWindowTransparencyEnabled = !isOpaque;
+        return;
+    }
+#endif
+    if (requireAlphaChannel) {
         const TDisplayMode displayMode = static_cast<TDisplayMode>(window->SetRequiredDisplayMode(EColor16MA));
         if (window->SetTransparencyAlphaChannel() == KErrNone) {
             window->SetBackgroundColor(TRgb(255, 255, 255, 0));
             extra->topextra->nativeWindowTransparencyEnabled = 1;
-
-            if (extra->topextra->backingStore.data() &&
-                    QApplicationPrivate::graphics_system_name == QLatin1String("openvg")) {
+            if (extra->topextra->backingStore.data() && (
+                    QApplicationPrivate::graphics_system_name == QLatin1String("openvg")
+                    || QApplicationPrivate::graphics_system_name == QLatin1String("opengl"))) {
                 // Semi-transparent EGL surfaces aren't supported. We need to
                 // recreate backing store to get translucent surface (raster surface).
                 extra->topextra->backingStore.create(q);
@@ -821,7 +842,6 @@ void QWidgetPrivate::s60UpdateIsOpaque()
         window->SetTransparentRegion(TRegionFix<1>());
         extra->topextra->nativeWindowTransparencyEnabled = 0;
     }
-#endif
 }
 
 void QWidgetPrivate::setWindowIcon_sys(bool forceReset)
@@ -1037,7 +1057,7 @@ int QWidget::metric(PaintDeviceMetric m) const
     } else if (m == PdmHeight) {
         val = data->crect.height();
     } else {
-        CWsScreenDevice *scr = S60->screenDevice();
+        CWsScreenDevice *scr = S60->screenDevice(this);
         switch(m) {
         case PdmDpiX:
         case PdmPhysicalDpiX:
@@ -1207,7 +1227,16 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
         const bool cbaVisibilityHint = windowFlags() & Qt::WindowSoftkeysVisibleHint;
         if (newstate & Qt::WindowFullScreen && !cbaVisibilityHint) {
             setAttribute(Qt::WA_OutsideWSRange, false);
-            window->SetExtentToWholeScreen();
+            if (d->symbianScreenNumber > 0) {
+                int w = S60->screenWidthInPixelsForScreen[d->symbianScreenNumber];
+                int h = S60->screenHeightInPixelsForScreen[d->symbianScreenNumber];
+                if (w <= 0 || h <= 0)
+                    window->SetExtentToWholeScreen();
+                else
+                    window->SetExtent(TPoint(0, 0), TSize(w, h));
+            } else {
+                window->SetExtentToWholeScreen();
+            }
         } else if (newstate & Qt::WindowMaximized || ((newstate & Qt::WindowFullScreen) && cbaVisibilityHint)) {
             setAttribute(Qt::WA_OutsideWSRange, false);
             TRect maxExtent = qt_QRect2TRect(qApp->desktop()->availableGeometry(this));