Merge remote-tracking branch 'origin/4.8'

23 files changed, 179 insertions, 174 deletions

diff --git a/src/gui/kernel/qactiongroup.cpp b/src/gui/kernel/qactiongroup.cpp
index 8029dfb..cbab6aa 100644
--- a/src/gui/kernel/qactiongroup.cpp
+++ b/src/gui/kernel/qactiongroup.cpp
@@ -108,8 +108,8 @@ void QActionGroupPrivate::_q_actionHovered()
 
     \ingroup mainwindow-classes
 
-    In some situations it is useful to group actions together. For
-    example, if you have a \gui{Left Align} action, a \gui{Right
+    In some situations it is useful to group QAction objects together.
+    For example, if you have a \gui{Left Align} action, a \gui{Right
     Align} action, a \gui{Justify} action, and a \gui{Center} action,
     only one of these actions should be active at any one time. One
     simple way of achieving this is to group the actions together in
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index 5268698..c5ff799 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -714,6 +714,7 @@ void qt_event_request_showsheet(QWidget *w)
 {
     Q_ASSERT(qt_mac_is_macsheet(w));
 #ifdef QT_MAC_USE_COCOA
+    w->repaint();
     [NSApp beginSheet:qt_mac_window_for(w) modalForWindow:qt_mac_window_for(w->parentWidget())
         modalDelegate:nil didEndSelector:nil contextInfo:0];
 #else
@@ -2622,8 +2623,6 @@ OSStatus QApplicationPrivate::globalAppleEventProcessor(const AppleEvent *ae, Ap
     Return true if you want to stop the event from being processed.
     Return false for normal event dispatching. The default
     implementation returns false.
-
-    \sa macEventFilter(void *nsevent)
 */
 bool QApplication::macEventFilter(EventHandlerCallRef, EventRef)
 {
diff --git a/src/gui/kernel/qapplication_qpa.cpp b/src/gui/kernel/qapplication_qpa.cpp
index 98359e4..b23c15c 100644
--- a/src/gui/kernel/qapplication_qpa.cpp
+++ b/src/gui/kernel/qapplication_qpa.cpp
@@ -444,6 +444,9 @@ void QApplication::alert(QWidget *, int)
 {
 }
 
+/*!
+    \internal
+*/
 QPlatformNativeInterface *QApplication::platformNativeInterface()
 {
     QPlatformIntegration *pi = QApplicationPrivate::platformIntegration();
@@ -612,6 +615,9 @@ void QApplication::setMainWidget(QWidget *mainWidget)
 
 void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent *e)
 {
+    if (!e->widget)
+       return;
+
     // qDebug() << "handleMouseEvent" << tlw << ev.pos() << ev.globalPos() << hex << ev.buttons();
     static QWeakPointer<QWidget> implicit_mouse_grabber;
 
@@ -768,6 +774,10 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mouse
 
 void QApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent *e)
 {
+
+    if (!e->widget)
+        return;
+
 //    QPoint localPoint = ev.pos();
     QPoint globalPoint = e->globalPos;
 //    bool trustLocalPoint = !!tlw; //is there something the local point can be local to?
@@ -842,12 +852,18 @@ void QApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEven
 
 void QApplicationPrivate::processEnterEvent(QWindowSystemInterfacePrivate::EnterEvent *e)
 {
+    if (!e->enter)
+        return;
+
     QApplicationPrivate::dispatchEnterLeave(e->enter.data(),0);
     qt_last_mouse_receiver = e->enter.data();
 }
 
 void QApplicationPrivate::processLeaveEvent(QWindowSystemInterfacePrivate::LeaveEvent *e)
 {
+    if (!e->leave)
+        return;
+
     QApplicationPrivate::dispatchEnterLeave(0,qt_last_mouse_receiver);
 
     if (e->leave.data() && !e->leave.data()->isAncestorOf(qt_last_mouse_receiver)) //(???) this should not happen
@@ -858,6 +874,9 @@ void QApplicationPrivate::processLeaveEvent(QWindowSystemInterfacePrivate::Leave
 
 void QApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent *e)
 {
+    if (!e->activated)
+        return;
+
     QApplication::setActiveWindow(e->activated.data());
 }
 
diff --git a/src/gui/kernel/qapplication_qws.cpp b/src/gui/kernel/qapplication_qws.cpp
index 14f7790..3b6a075 100644
--- a/src/gui/kernel/qapplication_qws.cpp
+++ b/src/gui/kernel/qapplication_qws.cpp
@@ -112,19 +112,6 @@
 
 #include <qvfbhdr.h>
 
-#ifndef QT_NO_QWS_MULTIPROCESS
-#ifdef QT_NO_QSHM
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#ifndef Q_OS_DARWIN
-# include <sys/sem.h>
-#endif
-#include <sys/socket.h>
-#else
-#include "private/qwssharedmemory_p.h"
-#endif
-#endif
-
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_DIRECTPAINTER
@@ -222,7 +209,7 @@ QString qws_dataDir()
     if (!S_ISDIR(buf.st_mode))
         qFatal("%s is not a directory", dataDir.constData());
 
-#if !defined(Q_OS_INTEGRITY) && !defined(Q_OS_VXWORKS)
+#if !defined(Q_OS_INTEGRITY) && !defined(Q_OS_VXWORKS) && !defined(Q_OS_QNX)
     if (buf.st_uid != getuid())
         qFatal("Qt for Embedded Linux data directory is not owned by user %d", getuid());
 
@@ -230,7 +217,7 @@ QString qws_dataDir()
         qFatal("Qt for Embedded Linux data directory has incorrect permissions: %s", dataDir.constData());
 #endif
 
-    result.append("/");
+    result.append(QLatin1Char('/'));
     return result;
 }
 
@@ -2197,6 +2184,11 @@ void qt_init(QApplicationPrivate *priv, int type)
     qws_screen_is_interlaced = read_bool_env_var("QWS_INTERLACE",false);
 
     const char *display = ::getenv("QWS_DISPLAY");
+
+#ifdef QT_QWS_DEFAULT_DRIVER_NAME
+    if (!display) display = QT_QWS_DEFAULT_DRIVER_NAME;
+#endif
+
     if (display)
         qws_display_spec = display; // since we setenv later!
 
@@ -3565,13 +3557,8 @@ bool QETWidget::translateKeyEvent(const QWSKeyEvent *event, bool grab) /* grab i
                         QEvent::KeyPress : QEvent::KeyRelease;
     bool autor = event->simpleData.is_auto_repeat;
     QString text;
-    char ascii = 0;
-    if (event->simpleData.unicode) {
-        QChar ch(event->simpleData.unicode);
-        if (ch.unicode() != 0xffff)
-            text += ch;
-        ascii = ch.toLatin1();
-    }
+    if (event->simpleData.unicode && event->simpleData.unicode != 0xffff)
+        text += QChar(event->simpleData.unicode);
     code = event->simpleData.keycode;
 
 #if defined QT3_SUPPORT && !defined(QT_NO_SHORTCUT)
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 899147f..086cfec 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -74,6 +74,7 @@
 # include <centralrepository.h>
 # include "qs60mainappui.h"
 # include "qinputcontext.h"
+# include <private/qgraphicssystemex_symbian_p.h>
 #endif
 
 #if defined(Q_WS_S60)
@@ -1530,6 +1531,11 @@ void QSymbianControl::HandleResourceChange(int resourceType)
             QResizeEvent e(qt_desktopWidget->size(), qt_desktopWidget->size());
             QApplication::sendEvent(qt_desktopWidget, &e);
         }
+        // Send resize event to dialogs so they can adjust their position if necessary.
+        if (qwidget->windowType() & Qt::Dialog) {
+            QResizeEvent e(qwidget->size(), qwidget->size());
+            QApplication::sendEvent(qwidget, &e);
+        }
         break;
     }
 #endif
@@ -1850,26 +1856,12 @@ void qt_init(QApplicationPrivate * /* priv */, int)
 #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 {
+    if (QSymbianGraphicsSystemEx::hasBCM2727()) {
+        // We have only 32MB GPU memory. Use raster surfaces
+        // for transparent TLWs.
         QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
     }
+
     if (QApplicationPrivate::graphics_system_name == QLatin1String("raster"))
         QApplicationPrivate::instance()->useTranslucentEGLSurfaces = false;
 #else
@@ -2027,7 +2019,7 @@ void QApplicationPrivate::openPopup(QWidget *popup)
     QApplicationPrivate::popupWidgets->append(popup);
 
     // Cancel focus widget pointer capture and long tap timer
-    if (QApplication::focusWidget()) {
+    if (QApplication::focusWidget() && QApplication::focusWidget()->effectiveWinId()) {
         static_cast<QSymbianControl*>(QApplication::focusWidget()->effectiveWinId())->CancelLongTapTimer();
         QApplication::focusWidget()->effectiveWinId()->SetPointerCapture(false);
         }
@@ -2278,6 +2270,7 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
 #if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
     case EEventDisplayChanged:
 #endif
+        {
         if (callSymbianEventFilters(symbianEvent))
             return 1;
         if (S60)
@@ -2289,6 +2282,12 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
             QResizeEvent e(qt_desktopWidget->size(), oldSize);
             QApplication::sendEvent(qt_desktopWidget, &e);
         }
+        // Close non-native QMenus (that should act like context menus, i.e. close
+        // automatically when the orientation changes).
+        QMenu *activeMenu = qobject_cast<QMenu *>(QApplication::activePopupWidget());
+        if (activeMenu)
+            activeMenu->close();
+        }
         return 0; // Propagate to CONE
     case EEventWindowVisibilityChanged:
         if (controlInMap) {
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 13ff85b..e32fdeb 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -320,7 +320,7 @@ static int qCocoaViewCount = 0;
 
             }
 
-            CGContextFlush(context);
+            CGContextSynchronize(context);
             qt_mac_release_graphics_context(context);
             return;
         }
diff --git a/src/gui/kernel/qdesktopwidget.qdoc b/src/gui/kernel/qdesktopwidget.qdoc
index f71155e..b93bcb3 100644
--- a/src/gui/kernel/qdesktopwidget.qdoc
+++ b/src/gui/kernel/qdesktopwidget.qdoc
@@ -151,6 +151,11 @@
      on Mac OS X, or the task bar on Windows). The default screen is used if
      \a screen is -1.
 
+     \note In Symbian devices the available geometry reported by QDesktopWidget is
+     not guaranteed to be correct at the time the geometry change resize event
+     is passed to widgets. The correct way to listen for available geometry changes
+     is to connect to the workAreaResized() signal of QDesktopWidget.
+
      \sa screenNumber(), screenGeometry()
 */
 
@@ -179,6 +184,11 @@
     Returns the geometry of the screen with index \a screen. The default
     screen is used if \a screen is -1.
 
+     \note In Symbian devices the screen geometry reported by QDesktopWidget is
+     not guaranteed to be correct at the time the geometry change resize event
+     is passed to widgets. The correct way to listen for screen geometry changes
+     is to connect to the resized() signal of QDesktopWidget.
+
     \sa screenNumber()
 */
 
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index bdd2fe4..de2d87e 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -3103,10 +3103,10 @@ QUrl QFileOpenEvent::url() const
 }
 
 /*!
-    \fn bool openFile(QFile &file, QIODevice::OpenMode flags) const
+    \fn bool QFileOpenEvent::openFile(QFile &file, QIODevice::OpenMode flags) const
 
-    Opens a QFile on the file referenced by this event.
-    Returns true if successful; otherwise returns false.
+    Opens a QFile on the \a file referenced by this event in the mode specified
+    by \a flags. Returns true if successful; otherwise returns false.
 
     This is necessary as some files cannot be opened by name, but require specific
     information stored in this event.
diff --git a/src/gui/kernel/qgenericplugin_qpa.cpp b/src/gui/kernel/qgenericplugin_qpa.cpp
index ca2fe7a..e7b65b7 100644
--- a/src/gui/kernel/qgenericplugin_qpa.cpp
+++ b/src/gui/kernel/qgenericplugin_qpa.cpp
@@ -53,7 +53,7 @@ QT_BEGIN_NAMESPACE
     \brief The QGenericPlugin class is an abstract base class for
     window-system related plugins in Qt QPA.
 
-    Note that this class is only available in \l{Qt QPA}.
+    Note that this class is only available in Qt QPA.
 
     A mouse plugin can be created by subclassing
     QGenericPlugin and reimplementing the pure virtual keys() and
diff --git a/src/gui/kernel/qgenericpluginfactory_qpa.cpp b/src/gui/kernel/qgenericpluginfactory_qpa.cpp
index 8db22fb..fb6a0d8 100644
--- a/src/gui/kernel/qgenericpluginfactory_qpa.cpp
+++ b/src/gui/kernel/qgenericpluginfactory_qpa.cpp
@@ -65,8 +65,7 @@ Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
     \brief The QGenericPluginFactory class creates window-system
     related plugin drivers in Qt QPA.
 
-    Note that this class is only available in \l{Qt QPA}.
-
+    Note that this class is only available in Qt QPA.
 
     \sa QGenericPlugin
 */
diff --git a/src/gui/kernel/qplatformclipboard_qpa.cpp b/src/gui/kernel/qplatformclipboard_qpa.cpp
index 7905185..f8e4b62 100644
--- a/src/gui/kernel/qplatformclipboard_qpa.cpp
+++ b/src/gui/kernel/qplatformclipboard_qpa.cpp
@@ -83,7 +83,7 @@ QPlatformClipboard::~QPlatformClipboard()
 
 }
 
-const QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode) const
+QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode)
 {
     //we know its clipboard
     Q_UNUSED(mode);
diff --git a/src/gui/kernel/qplatformclipboard_qpa.h b/src/gui/kernel/qplatformclipboard_qpa.h
index 41aa951..6a40fbc 100644
--- a/src/gui/kernel/qplatformclipboard_qpa.h
+++ b/src/gui/kernel/qplatformclipboard_qpa.h
@@ -59,7 +59,7 @@ class Q_GUI_EXPORT QPlatformClipboard
 public:
     virtual ~QPlatformClipboard();
 
-    virtual const QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard ) const;
+    virtual QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard);
     virtual void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard);
     virtual bool supportsMode(QClipboard::Mode mode) const;
     void emitChanged(QClipboard::Mode mode);
diff --git a/src/gui/kernel/qplatformcursor_qpa.cpp b/src/gui/kernel/qplatformcursor_qpa.cpp
index e612e2d..0695486 100644
--- a/src/gui/kernel/qplatformcursor_qpa.cpp
+++ b/src/gui/kernel/qplatformcursor_qpa.cpp
@@ -52,48 +52,46 @@ QT_BEGIN_NAMESPACE
 QList <QWeakPointer<QPlatformCursor> > QPlatformCursorPrivate::instances;
 
 /*!
-    \class QGraphicsSystemCursor
+    \class QPlatformCursor
 
-    \brief The QGraphicsSystemCursor class provides information about
+    \brief The QPlatformCursor class provides information about
     pointer device events (movement, buttons), and requests to change
     the currently displayed cursor.
 
-    Note that QGraphicsSystemCursor does not include any graphics for
+    Note that QPlatformCursor does not include any graphics for
     display. An application that sets a QCursor may provide its own
     graphics.
 
-    \sa QGraphicsSystemCursorImage
+    \sa QPlatformCursorImage
 */
 
 /*!
-    \fn virtual void QGraphicsSystemCursor::pointerEvent(const QMouseEvent & event)
+    \fn virtual void QPlatformCursor::pointerEvent(const QMouseEvent & event)
 
     This method is called by Qt whenever a QMouseEvent is generated by the
     underlying pointer input. \a event is a reference to the QMouseEvent in
     question. A default do-nothing implementation is provided.
-
-    \sa QApplicationPrivate::handleMouseEvent()
 */
 
 /*!
-    \fn virtual void QGraphicsSystemCursor::changeCursor(QCursor * widgetCursor, QWidget * widget)
+    \fn virtual void QPlatformCursor::changeCursor(QCursor * widgetCursor, QWidget * widget)
 
     \brief This method is called by Qt whenever the cursor graphic should be changed.
 
-    Implementation of this method is mandatory for a subclass of QGraphicsSystemCursor.
+    Implementation of this method is mandatory for a subclass of QPlatformCursor.
 
     \a widgetCursor is a pointer to the QCursor that should be displayed.
 
     \a widget is a pointer to the widget currently displayed at QCursor::pos(). Note
     that this may be 0 if the current position is not occupied by a displayed widget.
 
-    \sa QApplicationPrivate::handleMouseEvent(), QCursor::pos()
+    \sa QCursor::pos()
 */
 
 /*!
-    \fn QGraphicsSystemCursor::QGraphicsSystemCursor()
+    \fn QPlatformCursor::QPlatformCursor(QPlatformScreen *screen)
 
-    \brief Constructs a QGraphicsSystemCursor
+    Constructs a QPlatformCursor for the given \a screen.
 */
 QPlatformCursor::QPlatformCursor(QPlatformScreen *scr )
         : screen(scr)
@@ -106,12 +104,12 @@ QPlatformCursor::QPlatformCursor(QPlatformScreen *scr )
 // from src/gui/embedded/QGraphicsSystemCursorImage_qws.cpp
 
 /*!
-    \class QGraphicsSystemCursorImage
+    \class QPlatformCursorImage
 
-    \brief The QGraphicsSystemCursorImage class provides a set of graphics
+    \brief The QPlatformCursorImage class provides a set of graphics
     intended to be used as cursors.
 
-    \sa QGraphicsSystemCursor
+    \sa QPlatformCursor
 */
 
 static QPlatformCursorImage *systemCursorTable[Qt::LastCursor+1];
@@ -502,7 +500,7 @@ void QPlatformCursorImage::createSystemCursor(int id)
 }
 
 /*!
-    \fn void QGraphicsSystemCursorImage::set(Qt::CursorShape id)
+    \fn void QPlatformCursorImage::set(Qt::CursorShape id)
 
     \brief Calling this method sets the cursor image to the specified shape
 
@@ -531,15 +529,8 @@ void QPlatformCursorImage::set(Qt::CursorShape id)
 }
 
 /*!
-    \fn void QGraphicsSystemCursorImage::set(const QImage * image, int hx, int hy)
-
-    \brief Set the cursor image to the specified QImage, with the hotsport at (hx, hy)
-
-    \a image A pointer to a QImage
-
-    \a hx The x coordinate of the cursor's hotspot
-
-    \a hy the y coordinate of the cursor's hotspot
+    Sets the cursor image to the given \a image, with the hotspot at the
+    point specified by (\a hx, \a hy).
 */
 
 void QPlatformCursorImage::set(const QImage &image, int hx, int hy)
@@ -550,22 +541,19 @@ void QPlatformCursorImage::set(const QImage &image, int hx, int hy)
 }
 
 /*!
-    \fn void QGraphicsSystemCursorImage::set(const uchar *data, const uchar *mask, int width, int height, int hx, int hy)
-
-    \brief set the cursor image to the graphic represented by the combination of data, mask,
-    width, and height
-
-    \a data The pixel data of the graphic
-
-    \a mask Mask data for the graphic. pixels in data with a corresponding mask bit of 0 are not drawn
+    \fn void QPlatformCursorImage::set(const uchar *data, const uchar *mask, int width, int height, int hx, int hy)
 
-    \a width The width of the graphic in pixels
+    Sets the cursor image to the graphic represented by the combination of
+    \a data and \a mask, with dimensions given by \a width and \a height and a
+    hotspot at the point specified by (\a hx, \a hy).
 
-    \a height The height of the graphic in pixels
+    The image data specified by \a data must be supplied in the format
+    described by QImage::Format_Indexed8.
 
-    \a hx The X hotspot of the cursor graphic
-
-    \a hy The Y hotspot of the cursor graphic
+    The corresponding mask data specified by \a mask must be supplied in a
+    character array containing packed 1 bit per pixel format data, with any
+    padding bits at the end of the array. Bits of value 0 represent transparent
+    pixels in the image data.
 */
 void QPlatformCursorImage::set(const uchar *data, const uchar *mask,
                     int width, int height, int hx, int hy)
@@ -625,34 +613,23 @@ void QPlatformCursorImage::set(const uchar *data, const uchar *mask,
 }
 
 /*!
-    \fn QGraphicsSystemCursorImage::QGraphicsSystemCursorImage(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY)
-
-    \brief set the cursor image to the graphic represented by the combination of data, mask,
-    width, and height
-
-    \a data The pixel data of the graphic
-
-    \a mask Mask data for the graphic. pixels in data with a corresponding mask bit of 0 are not drawn
-
-    \a width The width of the graphic in pixels
-
-    \a height The height of the graphic in pixels
-
-    \a hotX The X hotspot of the cursor graphic
+    \fn QPlatformCursorImage::QPlatformCursorImage(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY)
 
-    \a hotY The Y hotspot of the cursor graphic
+    Sets the cursor image to the graphic represented by the combination of
+    \a data and \a mask, with dimensions given by \a width and \a height and a
+    hotspot at the point specified by (\a hotX, \a hotY).
 
-    \sa set
+    \sa set()
 */
 
 /*!
-  \fn QImage *QGraphicsSystemCursorImage::image()
+  \fn QImage *QPlatformCursorImage::image()
 
   \brief Return the cursor graphic as a pointer to a QImage
 */
 
 /*!
-    \fn QPoint QGraphicsSystemCursorImage::hotspot()
+    \fn QPoint QPlatformCursorImage::hotspot()
 
     \brief Return the cursor's hotspot
 */
diff --git a/src/gui/kernel/qplatformglcontext_qpa.cpp b/src/gui/kernel/qplatformglcontext_qpa.cpp
index 8daa5d4..5c56efb 100644
--- a/src/gui/kernel/qplatformglcontext_qpa.cpp
+++ b/src/gui/kernel/qplatformglcontext_qpa.cpp
@@ -191,17 +191,17 @@ void QPlatformGLContext::deleteQGLContext()
     which maps to the QPlatformGLContext.
 */
 
-/*! \fn void swapBuffers()
+/*! \fn void QPlatformGLContext::swapBuffers()
     Reimplement in subclass to native swap buffers calls
 */
 
-/*! getProcAddress(const QString& procName)
+/*! \fn void *QPlatformGLContext::getProcAddress(const QString &procName)
     Reimplement in subclass to native getProcAddr calls.
 
     Note: its convenient to use qPrintable(const QString &str) to get the const char * pointer
 */
 
-/*! platformWindowFormat() const
+/*! \fn QPlatformWindowFormat QPlatformGLContext::platformWindowFormat() const
     QWidget has the function qplatformWindowFormat(). That function is for the application
     programmer to request the format of the window and the context that he wants.
 
diff --git a/src/gui/kernel/qplatformintegration_qpa.cpp b/src/gui/kernel/qplatformintegration_qpa.cpp
index 972fb0a..29287fe 100644
--- a/src/gui/kernel/qplatformintegration_qpa.cpp
+++ b/src/gui/kernel/qplatformintegration_qpa.cpp
@@ -132,20 +132,20 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
     the recommended approach for making new platform plugin is to copy an existing plugin inside
     the QTSRCTREE/src/plugins/platform and develop the plugin inside the source tree.
 
-    The minimal platformintegration is the smallest platform integration it is possible to make,
+    The minimal platform integration is the smallest platform integration it is possible to make,
     which makes it an ideal starting point for new plugins. For a slightly more advanced plugin,
     consider reviewing the directfb plugin, or the testlite plugin.
 */
 
 /*!
-    \fn QPixmapData *createPixmapData(QPixmapData::PixelType type) const
+    \fn QPixmapData *QPlatformIntegration::createPixmapData(QPixmapData::PixelType type) const
 
     Factory function for QPixmapData. PixelType can be either PixmapType or BitmapType.
     \sa QPixmapData
 */
 
 /*!
-    \fn QPlatformWindow *createPlatformWindow(QWidget *widget, WId winId = 0) const
+    \fn QPlatformWindow *QPlatformIntegration::createPlatformWindow(QWidget *widget, WId winId = 0) const
 
     Factory function for QPlatformWindow. The widget parameter is a pointer to the top level
     widget(tlw) which the QPlatformWindow is suppose to be created for. The WId handle is actually
@@ -162,7 +162,7 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn QWindowSurface *createWindowSurface(QWidget *widget, WId winId) const
+    \fn QWindowSurface *QPlatformIntegration::createWindowSurface(QWidget *widget, WId winId) const
 
     Factory function for QWindowSurface. The QWidget parameter is a pointer to the
     top level widget(tlw) the window surface is created for. A QPlatformWindow is always created
@@ -175,7 +175,7 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn void moveToScreen(QWidget *window, int screen)
+    \fn void QPlatformIntegration::moveToScreen(QWidget *window, int screen)
 
     This function is called when a QWidget is displayed on screen, or the QWidget is to be
     displayed on a new screen. The QWidget parameter is a pointer to the top level widget and
@@ -187,14 +187,14 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn QList<QPlatformScreen *> screens() const
+    \fn QList<QPlatformScreen *> QPlatformIntegration::screens() const
 
     Accessor function to a list of all the screens on the current system. The screen with the
     index == 0 is the default/main screen.
 */
 
 /*!
-    \fn bool isVirtualDesktop()
+    \fn bool QPlatformIntegration::isVirtualDesktop()
 
     Returns if the current windowing system configuration defines all the screens to be one
     desktop(virtual desktop), or if each screen is a desktop of its own.
@@ -203,7 +203,7 @@ QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const
 */
 
 /*!
-    \fn QPixmap grabWindow(WId window, int x, int y, int width, int height) const
+    \fn QPixmap QPlatformIntegration::grabWindow(WId window, int x, int y, int width, int height) const
 
     This function is called when Qt needs to be able to grab the content of a window.
 
diff --git a/src/gui/kernel/qplatformscreen_qpa.cpp b/src/gui/kernel/qplatformscreen_qpa.cpp
index 87e40e4..2a1e7e4 100644
--- a/src/gui/kernel/qplatformscreen_qpa.cpp
+++ b/src/gui/kernel/qplatformscreen_qpa.cpp
@@ -66,12 +66,15 @@ QWidget *QPlatformScreen::topLevelAt(const QPoint & pos) const
     return 0;
 }
 
-/*! \fn physicalSize() const
-    Reimplement in subclass to return the physical size of the screen. This function is used by
-    QFont to convert point sizes to pixel sizes.
-
-    Default implementation takes the pixel size of the screen, considers a dpi of 100 and returns
-    the calculated (and probably wrong) physical size
+/*!
+    Reimplement this function in subclass to return the physical size of the
+    screen. This function is used by QFont to convert point sizes to pixel
+    sizes.
+
+    The default implementation takes the pixel size of the screen, considers a
+    resolution of 100 dots per inch, and returns the calculated physical size.
+    A device with a screen that has different resolutions will need to be
+    supported by a suitable reimplementation of this function.
 */
 QSize QPlatformScreen::physicalSize() const
 {
@@ -110,20 +113,20 @@ QPlatformScreen * QPlatformScreen::platformScreenForWidget(const QWidget *widget
     QPlatformScreen is also used by the public api QDesktopWidget for information about the desktop.
  */
 
-/*! \fn geometry() const
+/*! \fn QRect QPlatformScreen::geometry() const = 0
     Reimplement in subclass to return the pixel geometry of the screen
 */
 
-/*! \fn availableGeometry() const
+/*! \fn QRect QPlatformScreen::availableGeometry() const
     Reimplement in subclass to return the pixel geometry of the available space
     This normally is the desktop screen minus the task manager, global menubar etc.
 */
 
-/*! \fn depth() const
+/*! \fn int QPlatformScreen::depth() const = 0
     Reimplement in subclass to return current depth of the screen
 */
 
-/*! \fn format() const
+/*! \fn QImage::Format QPlatformScreen::format() const = 0
     Reimplement in subclass to return the image format which corresponds to the screen format
 */
 
diff --git a/src/gui/kernel/qplatformwindowformat_qpa.cpp b/src/gui/kernel/qplatformwindowformat_qpa.cpp
index e89b458..482ae68 100644
--- a/src/gui/kernel/qplatformwindowformat_qpa.cpp
+++ b/src/gui/kernel/qplatformwindowformat_qpa.cpp
@@ -122,8 +122,6 @@ public:
     \i \link setStencil() Stencil buffer.\endlink
     \i \link setStereo() Stereo buffers.\endlink
     \i \link setDirectRendering() Direct rendering.\endlink
-    \i \link setOverlay() Presence of an overlay.\endlink
-    \i \link setPlane() Plane of an overlay.\endlink
     \i \link setSampleBuffers() Multisample buffers.\endlink
     \endlist
 
@@ -168,7 +166,7 @@ public:
         United States and other countries.
     \endlegalese
 
-    \sa QPlatformContext, QWidget
+    \sa QPlatformGLContext, QWidget
 */
 
 /*!
@@ -182,8 +180,6 @@ public:
     \i \link setStencil() Stencil buffer:\endlink Enabled.
     \i \link setStereo() Stereo:\endlink Disabled.
     \i \link setDirectRendering() Direct rendering:\endlink Enabled.
-    \i \link setOverlay() Overlay:\endlink Disabled.
-    \i \link setPlane() Plane:\endlink 0 (i.e., normal plane).
     \i \link setSampleBuffers() Multisample buffers:\endlink Disabled.
     \endlist
 */
@@ -207,14 +203,10 @@ QPlatformWindowFormat::QPlatformWindowFormat()
     \snippet doc/src/snippets/code/src_opengl_qgl.cpp 3
 
     Note that there are QGL::FormatOption values to turn format settings
-    both on and off, e.g. QGL::DepthBuffer and QGL::NoDepthBuffer,
+    both on and off; e.g., QGL::DepthBuffer and QGL::NoDepthBuffer,
     QGL::DirectRendering and QGL::IndirectRendering, etc.
 
-    The \a plane parameter defaults to 0 and is the plane which this
-    format should be associated with. Not all OpenGL implementations
-    supports overlay/underlay rendering planes.
-
-    \sa defaultFormat(), setOption(), setPlane()
+    \sa defaultFormat(), setOption()
 */
 
 QPlatformWindowFormat::QPlatformWindowFormat(QPlatformWindowFormat::FormatOptions options)
@@ -619,8 +611,6 @@ QPlatformGLContext *QPlatformWindowFormat::sharedGLContext() const
     Otherwise returns false.
 
     WindowSurface is enabled by default.
-
-    \sa setOverlay()
 */
 
 /*!
@@ -628,9 +618,7 @@ QPlatformGLContext *QPlatformWindowFormat::sharedGLContext() const
 
     otherwise the QWidget will only have a QPlatformWindow.
 
-    This is useful for ie. QGLWidget where the QPlatformGLContext controls the surface.
-
-    \sa hasOverlay()
+    This is useful for QGLWidget where the QPlatformGLContext controls the surface.
 */
 
 void QPlatformWindowFormat::setWindowSurface(bool enable)
@@ -894,7 +882,7 @@ void QPlatformWindowFormat::setDefaultFormat(const QPlatformWindowFormat &f)
 }
 
 
-/*!
+/*
     Returns the default QPlatformWindowFormat for overlay contexts.
 
     The default overlay format is:
@@ -907,9 +895,7 @@ void QPlatformWindowFormat::setDefaultFormat(const QPlatformWindowFormat &f)
     \i \link setStencil() Stencil buffer:\endlink Disabled.
     \i \link setStereo() Stereo:\endlink Disabled.
     \i \link setDirectRendering() Direct rendering:\endlink Enabled.
-    \i \link setOverlay() Overlay:\endlink Disabled.
     \i \link setSampleBuffers() Multisample buffers:\endlink Disabled.
-    \i \link setPlane() Plane:\endlink 1 (i.e., first overlay plane).
     \endlist
 
     \sa setDefaultFormat()
diff --git a/src/gui/kernel/qsessionmanager_qws.cpp b/src/gui/kernel/qsessionmanager_qws.cpp
index efe688e..e437635 100644
--- a/src/gui/kernel/qsessionmanager_qws.cpp
+++ b/src/gui/kernel/qsessionmanager_qws.cpp
@@ -43,6 +43,9 @@
 
 #ifndef QT_NO_SESSIONMANAGER
 
+#include <qapplication.h>
+#include <private/qobject_p.h>
+
 QT_BEGIN_NAMESPACE
 
 class QSessionManagerPrivate : public QObjectPrivate
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 44fd877..a866da3 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -48,9 +48,6 @@
 
 #ifdef Q_WS_S60
 #include "private/qsoftkeymanager_s60_p.h"
-#endif
-
-#ifdef SYMBIAN_VERSION_SYMBIAN3
 #include "private/qt_s60_p.h"
 #endif
 
@@ -105,7 +102,7 @@ QSoftKeyManager::QSoftKeyManager() :
 QAction *QSoftKeyManager::createAction(StandardSoftKey standardKey, QWidget *actionWidget)
 {
     QAction *action = new QAction(standardSoftKeyText(standardKey), actionWidget);
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     int key = 0;
     switch (standardKey) {
     case OkSoftKey:
@@ -171,7 +168,7 @@ void QSoftKeyManager::cleanupHash(QObject *obj)
     Q_D(QSoftKeyManager);
     QAction *action = qobject_cast<QAction*>(obj);
     d->keyedActions.remove(action);
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     d->softKeyCommandActions.remove(action);
 #endif
 }
@@ -193,11 +190,14 @@ void QSoftKeyManager::sendKeyEvent()
 
 void QSoftKeyManager::updateSoftKeys()
 {
-    if (QApplication::activeWindow()) {
-        QSoftKeyManager::instance()->d_func()->pendingUpdate = true;
-        QEvent *event = new QEvent(QEvent::UpdateSoftKeys);
-        QApplication::postEvent(QSoftKeyManager::instance(), event);
-    }
+#ifdef Q_WS_S60
+    // Do not adjust softkeys if application is not the topmost one
+    if (S60->wsSession().GetFocusWindowGroup() != S60->windowGroup().WindowGroupId())
+        return;
+#endif
+    QSoftKeyManager::instance()->d_func()->pendingUpdate = true;
+    QEvent *event = new QEvent(QEvent::UpdateSoftKeys);
+    QApplication::postEvent(QSoftKeyManager::instance(), event);
 }
 
 bool QSoftKeyManager::appendSoftkeys(const QWidget &source, int level)
diff --git a/src/gui/kernel/qsoftkeymanager_common_p.h b/src/gui/kernel/qsoftkeymanager_common_p.h
index bf4c747..5b76e60 100644
--- a/src/gui/kernel/qsoftkeymanager_common_p.h
+++ b/src/gui/kernel/qsoftkeymanager_common_p.h
@@ -72,7 +72,7 @@ protected:
     QMultiHash<int, QAction*> requestedSoftKeyActions;
     QWidget *initialSoftKeySource;
     bool pendingUpdate;
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     QHash<QAction*, int> softKeyCommandActions;
 #endif
 };
diff --git a/src/gui/kernel/qsoftkeymanager_s60.cpp b/src/gui/kernel/qsoftkeymanager_s60.cpp
index ab71064..acdb0e5 100644
--- a/src/gui/kernel/qsoftkeymanager_s60.cpp
+++ b/src/gui/kernel/qsoftkeymanager_s60.cpp
@@ -113,7 +113,7 @@ void QSoftKeyManagerPrivateS60::ensureCbaVisibilityAndResponsiviness(CEikButtonG
 
 void QSoftKeyManagerPrivateS60::clearSoftkeys(CEikButtonGroupContainer &cba)
 {
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
     QT_TRAP_THROWING(
         //EAknSoftkeyEmpty is used, because using -1 adds softkeys without actions on Symbian3
         cba.SetCommandL(0, EAknSoftkeyEmpty, KNullDesC);
@@ -297,7 +297,7 @@ bool QSoftKeyManagerPrivateS60::setSoftkey(CEikButtonGroupContainer &cba,
         QString text = softkeyText(*action);
         TPtrC nativeText = qt_QString2TPtrC(text);
         int command = S60_COMMAND_START + position;
-#ifdef SYMBIAN_VERSION_SYMBIAN3
+#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4)
         if (softKeyCommandActions.contains(action))
             command = softKeyCommandActions.value(action);
 #endif
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 778f1f1..b3bf365 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -4551,6 +4551,11 @@ void QWidgetPrivate::setGeometry_sys_helper(int x, int y, int w, int h, bool isM
 
     QPoint oldp = q->pos();
     QSize  olds = q->size();
+    // Apply size restrictions, applicable for Windows & Widgets.
+    if (QWExtra *extra = extraData()) {
+        w = qBound(extra->minw, w, extra->maxw);
+        h = qBound(extra->minh, h, extra->maxh);
+    }
     const bool isResize = (olds != QSize(w, h));
 
     if (!realWindow && !isResize && QPoint(x, y) == oldp)
@@ -4560,13 +4565,6 @@ void QWidgetPrivate::setGeometry_sys_helper(int x, int y, int w, int h, bool isM
         data.window_state = data.window_state & ~Qt::WindowMaximized;
 
     const bool visible = q->isVisible();
-    // Apply size restrictions, applicable for Windows & Widgets.
-    if (QWExtra *extra = extraData()) {
-        w = qMin(w, extra->maxw);
-        h = qMin(h, extra->maxh);
-        w = qMax(w, extra->minw);
-        h = qMax(h, extra->minh);
-    }
     data.crect = QRect(x, y, w, h);
 
     if (realWindow) {
diff --git a/src/gui/kernel/qwidget_qpa.cpp b/src/gui/kernel/qwidget_qpa.cpp
index a9bfba6..56c3010 100644
--- a/src/gui/kernel/qwidget_qpa.cpp
+++ b/src/gui/kernel/qwidget_qpa.cpp
@@ -129,6 +129,11 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 {
     Q_D(QWidget);
 
+    d->aboutToDestroy();
+    if (!isWindow() && parentWidget())
+        parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));
+    d->deactivateWidgetCleanup();
+
     if ((windowType() == Qt::Popup))
         qApp->d_func()->closePopup(this);
 
@@ -136,6 +141,8 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
     if (this == QApplicationPrivate::active_window)
         QApplication::setActiveWindow(0);
 
+    setAttribute(Qt::WA_WState_Created, false);
+
     if (windowType() != Qt::Desktop) {
         if (destroySubWindows) {
             QObjectList childList(children());
@@ -155,6 +162,8 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
                 d->hide_sys();
             }
         }
+
+        d->setWinId(0);
     }
 }
 
@@ -412,6 +421,7 @@ void QWidgetPrivate::hide_sys()
 {
     Q_Q(QWidget);
     q->setAttribute(Qt::WA_Mapped, false);
+    deactivateWidgetCleanup();
     if (!q->isWindow()) {
         QWidget *p = q->parentWidget();
         if (p &&p->isVisible()) {
@@ -681,8 +691,10 @@ int QWidget::metric(PaintDeviceMetric m) const
 /*!
     \preliminary
 
-    Sets the window to be the \a window specified.
-    The QWidget takes ownership of the \a surface.
+    Sets the window to be the platform \a window specified.
+
+    The widget takes ownership of the \a window. Any platform window
+    previously set on the widget will be destroyed.
 */
 void QWidget::setPlatformWindow(QPlatformWindow *window)
 {
@@ -711,6 +723,9 @@ QPlatformWindow *QWidget::platformWindow() const
     return 0;
 }
 
+/*!
+    Sets the platform window format for the widget to the \a format specified.
+*/
 void QWidget::setPlatformWindowFormat(const QPlatformWindowFormat &format)
 {
     if (isWindow() || testAttribute(Qt::WA_NativeWindow)) {
@@ -727,16 +742,26 @@ void QWidget::setPlatformWindowFormat(const QPlatformWindowFormat &format)
     }
 }
 
+/*!
+    Returns the platform window format for the widget.
+*/
 QPlatformWindowFormat QWidget::platformWindowFormat() const
 {
     Q_D(const QWidget);
 
+    QPlatformWindowFormat format;
+
     QTLWExtra *extra = d->maybeTopData();
     if (extra){
-        return extra->platformWindowFormat;
+        format = extra->platformWindowFormat;
     } else {
-        return QPlatformWindowFormat::defaultFormat();
+        format = QPlatformWindowFormat::defaultFormat();
     }
+
+    if (testAttribute(Qt::WA_TranslucentBackground))
+        format.setAlpha(true);
+
+    return format;
 }
 
 void QWidgetPrivate::createSysExtra()