Merge branch 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging into master-integration

* 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging: (56 commits)
  Fix compile when configure with no fontconfig support
  Fix warning in qtextengine compilation
  Reorder member varibles in QGlyphRunPrivate to eliminate warning
  Revert 36e01e69
  Fixed compile of tst_qscriptextensionplugin on some Windows configurations
  Add function QGlyphRun::setRawData()
  Correct antialias disabling logic for Core Text
  Correct QStaticText tests after recent changes
  Add missing license header.
  Add basic static text drawing capability to lance
  Fix Windows build
  Refactor glyph pretransform check
  Add the new 'glhypnotizer' demo.
  Fix problem with cosmetic stroking of cubic beziers
  Fix autotest to not depend on rasterization details
  Still use midpoint rendering of aliased ellipses
  Symbian build failure for Armv5
  Fix the wayland windowsurface so that we have stencil and depth buffer
  We need to let the currentContext be in the same state after
  Track Wayland changes
  ...

27 files changed, 490 insertions, 87 deletions

diff --git a/src/plugins/platforms/glxconvenience/glxconvenience.pri b/src/plugins/platforms/glxconvenience/glxconvenience.pri
index d6c9922..b4d43a3 100644
--- a/src/plugins/platforms/glxconvenience/glxconvenience.pri
+++ b/src/plugins/platforms/glxconvenience/glxconvenience.pri
@@ -5,3 +5,11 @@ HEADERS += \
 
 SOURCES += \
     $$PWD/qglxconvenience.cpp
+
+CONFIG += xrender
+
+xrender {
+	LIBS += -lXrender
+} else {
+	DEFINES += QT_NO_XRENDER
+}
diff --git a/src/plugins/platforms/glxconvenience/qglxconvenience.cpp b/src/plugins/platforms/glxconvenience/qglxconvenience.cpp
index c776f5b..34633d9 100644
--- a/src/plugins/platforms/glxconvenience/qglxconvenience.cpp
+++ b/src/plugins/platforms/glxconvenience/qglxconvenience.cpp
@@ -43,6 +43,10 @@
 
 #include <QtCore/QVector>
 
+#ifndef QT_NO_XRENDER
+#include <X11/extensions/Xrender.h>
+#endif
+
 enum {
     XFocusOut = FocusOut,
     XFocusIn = FocusIn,
@@ -84,14 +88,15 @@ QVector<int> qglx_buildSpec(const QPlatformWindowFormat &format, int drawableBit
                 spec[i++] = GLX_ALPHA_SIZE; spec[i++] = (format.alphaBufferSize() == -1) ? 1 : format.alphaBufferSize();
             }
 
-        spec[i++] = GLX_ACCUM_RED_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
-        spec[i++] = GLX_ACCUM_GREEN_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
-        spec[i++] = GLX_ACCUM_BLUE_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
+        if (format.accum()) {
+            spec[i++] = GLX_ACCUM_RED_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
+            spec[i++] = GLX_ACCUM_GREEN_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
+            spec[i++] = GLX_ACCUM_BLUE_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
 
-        if (format.alpha()) {
-            spec[i++] = GLX_ACCUM_ALPHA_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
+            if (format.alpha()) {
+                spec[i++] = GLX_ACCUM_ALPHA_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize();
+            }
         }
-
     } else {
         spec[i++] = GLX_RENDER_TYPE; spec[i++] = GLX_COLOR_INDEX_BIT; //I'm really not sure if this works....
         spec[i++] = GLX_BUFFER_SIZE; spec[i++] = 8;
@@ -136,8 +141,17 @@ GLXFBConfig qglx_findConfig(Display *display, int screen , const QPlatformWindow
                 if (reducedFormat.alpha()) {
                     int alphaSize;
                     glXGetFBConfigAttrib(display,configs[i],GLX_ALPHA_SIZE,&alphaSize);
-                    if (alphaSize > 0)
-                        break;
+                    if (alphaSize > 0) {
+                        XVisualInfo *visual = glXGetVisualFromFBConfig(display, chosenConfig);
+#if !defined(QT_NO_XRENDER)
+                        XRenderPictFormat *pictFormat = XRenderFindVisualFormat(display, visual->visual);
+                        if (pictFormat->direct.alphaMask > 0)
+                            break;
+#else
+                        if (visual->depth == 32)
+                            break;
+#endif
+                    }
                 } else {
                     break; // Just choose the first in the list if there's no alpha requested
                 }
diff --git a/src/plugins/platforms/minimal/qminimalintegration.cpp b/src/plugins/platforms/minimal/qminimalintegration.cpp
index 50c3626..b9ab528 100644
--- a/src/plugins/platforms/minimal/qminimalintegration.cpp
+++ b/src/plugins/platforms/minimal/qminimalintegration.cpp
@@ -50,8 +50,8 @@ QMinimalIntegration::QMinimalIntegration()
     QMinimalScreen *mPrimaryScreen = new QMinimalScreen();
 
     mPrimaryScreen->mGeometry = QRect(0, 0, 240, 320);
-    mPrimaryScreen->mDepth = 16;
-    mPrimaryScreen->mFormat = QImage::Format_RGB16;
+    mPrimaryScreen->mDepth = 32;
+    mPrimaryScreen->mFormat = QImage::Format_ARGB32_Premultiplied;
 
     mScreens.append(mPrimaryScreen);
 }
diff --git a/src/plugins/platforms/minimal/qminimalintegration.h b/src/plugins/platforms/minimal/qminimalintegration.h
index df4a9da..d1fcc42 100644
--- a/src/plugins/platforms/minimal/qminimalintegration.h
+++ b/src/plugins/platforms/minimal/qminimalintegration.h
@@ -51,7 +51,7 @@ class QMinimalScreen : public QPlatformScreen
 {
 public:
     QMinimalScreen()
-        : mDepth(16), mFormat(QImage::Format_RGB16) {}
+        : mDepth(32), mFormat(QImage::Format_ARGB32_Premultiplied) {}
 
     QRect geometry() const { return mGeometry; }
     int depth() const { return mDepth; }
diff --git a/src/plugins/platforms/wayland/gl_integration/wayland_egl/qwaylandglcontext.cpp b/src/plugins/platforms/wayland/gl_integration/wayland_egl/qwaylandglcontext.cpp
index 72ad5a8..0f27501 100644
--- a/src/plugins/platforms/wayland/gl_integration/wayland_egl/qwaylandglcontext.cpp
+++ b/src/plugins/platforms/wayland/gl_integration/wayland_egl/qwaylandglcontext.cpp
@@ -115,8 +115,15 @@ void *QWaylandGLContext::getProcAddress(const QString &string)
 
 void QWaylandGLContext::setEglSurface(EGLSurface surface)
 {
-    doneCurrent();
+    bool wasCurrent = false;
+    if (QPlatformGLContext::currentContext() == this) {
+        wasCurrent = true;
+        doneCurrent();
+    }
     mSurface = surface;
+    if (wasCurrent) {
+        makeCurrent();
+    }
 }
 
 EGLConfig QWaylandGLContext::eglConfig() const
diff --git a/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
index e53381e..dff6ffa 100644
--- a/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
+++ b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
@@ -132,10 +132,12 @@ void QWaylandXCompositeGLXContext::geometryChanged()
     Colormap cmap = XCreateColormap(mGlxIntegration->xDisplay(),mGlxIntegration->rootWindow(),visualInfo->visual,AllocNone);
 
     XSetWindowAttributes a;
+    a.background_pixel = WhitePixel(mGlxIntegration->xDisplay(), mGlxIntegration->screen());
+    a.border_pixel = BlackPixel(mGlxIntegration->xDisplay(), mGlxIntegration->screen());
     a.colormap = cmap;
     mXWindow = XCreateWindow(mGlxIntegration->xDisplay(), mGlxIntegration->rootWindow(),0, 0, size.width(), size.height(),
                              0, visualInfo->depth, InputOutput, visualInfo->visual,
-                             CWColormap, &a);
+                             CWBackPixel|CWBorderPixel|CWColormap, &a);
 
     XCompositeRedirectWindow(mGlxIntegration->xDisplay(), mXWindow, CompositeRedirectManual);
     XMapWindow(mGlxIntegration->xDisplay(), mXWindow);
diff --git a/src/plugins/platforms/wayland/qwaylandclipboard.cpp b/src/plugins/platforms/wayland/qwaylandclipboard.cpp
index f2e6ccf..b7f6ae5 100644
--- a/src/plugins/platforms/wayland/qwaylandclipboard.cpp
+++ b/src/plugins/platforms/wayland/qwaylandclipboard.cpp
@@ -48,16 +48,54 @@
 #include <QtCore/QStringList>
 #include <QtCore/QFile>
 #include <QtCore/QtDebug>
+#include <QtGui/private/qdnd_p.h>
 
 static QWaylandClipboard *clipboard;
 
+class QWaylandMimeData : public QInternalMimeData
+{
+public:
+    void clearAll();
+    void setFormats(const QStringList &formatList);
+    bool hasFormat_sys(const QString &mimeType) const;
+    QStringList formats_sys() const;
+    QVariant retrieveData_sys(const QString &mimeType, QVariant::Type type) const;
+private:
+    QStringList mFormatList;
+};
+
+void QWaylandMimeData::clearAll()
+{
+    clear();
+    mFormatList.clear();
+}
+
+void QWaylandMimeData::setFormats(const QStringList &formatList)
+{
+    mFormatList = formatList;
+}
+
+bool QWaylandMimeData::hasFormat_sys(const QString &mimeType) const
+{
+    return formats().contains(mimeType);
+}
+
+QStringList QWaylandMimeData::formats_sys() const
+{
+    return mFormatList;
+}
+
+QVariant QWaylandMimeData::retrieveData_sys(const QString &mimeType, QVariant::Type type) const
+{
+    return clipboard->retrieveData(mimeType, type);
+}
+
 class QWaylandSelection
 {
 public:
     QWaylandSelection(QWaylandDisplay *display, QMimeData *data);
     ~QWaylandSelection();
 
-private:
     static uint32_t getTime();
     static void send(void *data, struct wl_selection *selection, const char *mime_type, int fd);
     static void cancelled(void *data, struct wl_selection *selection);
@@ -125,7 +163,7 @@ void QWaylandSelection::cancelled(void *data, struct wl_selection *selection)
 }
 
 QWaylandClipboard::QWaylandClipboard(QWaylandDisplay *display)
-    : mDisplay(display), mSelection(0), mMimeDataIn(0), mOffer(0)
+    : mDisplay(display), mMimeDataIn(0), mOffer(0)
 {
     clipboard = this;
 }
@@ -157,32 +195,39 @@ void QWaylandClipboard::forceRoundtrip(struct wl_display *display)
         wl_display_iterate(display, WL_DISPLAY_READABLE);
 }
 
-const QMimeData *QWaylandClipboard::mimeData(QClipboard::Mode mode) const
+QVariant QWaylandClipboard::retrieveData(const QString &mimeType, QVariant::Type type) const
+{
+    Q_UNUSED(type);
+    if (mOfferedMimeTypes.isEmpty() || !mOffer)
+        return QVariant();
+    int pipefd[2];
+    if (pipe(pipefd) == -1) {
+        qWarning("QWaylandClipboard: pipe() failed");
+        return QVariant();
+    }
+    QByteArray mimeTypeBa = mimeType.toLatin1();
+    wl_selection_offer_receive(mOffer, mimeTypeBa.constData(), pipefd[1]);
+    QByteArray content;
+    forceRoundtrip(mDisplay->wl_display());
+    char buf[256];
+    int n;
+    close(pipefd[1]);
+    while ((n = read(pipefd[0], &buf, sizeof buf)) > 0)
+        content.append(buf, n);
+    close(pipefd[0]);
+    return content;
+}
+
+QMimeData *QWaylandClipboard::mimeData(QClipboard::Mode mode)
 {
     Q_ASSERT(mode == QClipboard::Clipboard);
+    if (!mSelections.isEmpty())
+        return mSelections.last()->mMimeData;
     if (!mMimeDataIn)
-        mMimeDataIn = new QMimeData;
-    mMimeDataIn->clear();
-    if (!mOfferedMimeTypes.isEmpty() && mOffer) {
-        foreach (const QString &mimeType, mOfferedMimeTypes) {
-            int pipefd[2];
-            if (pipe(pipefd) == -1) {
-                qWarning("QWaylandClipboard::mimedata: pipe() failed");
-                break;
-            }
-            QByteArray mimeTypeBa = mimeType.toLatin1();
-            wl_selection_offer_receive(mOffer, mimeTypeBa.constData(), pipefd[1]);
-            QByteArray content;
-            forceRoundtrip(mDisplay->wl_display());
-            char buf[256];
-            int n;
-            close(pipefd[1]);
-            while ((n = read(pipefd[0], &buf, sizeof buf)) > 0)
-                content.append(buf, n);
-            close(pipefd[0]);
-            mMimeDataIn->setData(mimeType, content);
-        }
-    }
+        mMimeDataIn = new QWaylandMimeData;
+    mMimeDataIn->clearAll();
+    if (!mOfferedMimeTypes.isEmpty() && mOffer)
+        mMimeDataIn->setFormats(mOfferedMimeTypes);
     return mMimeDataIn;
 }
 
@@ -192,7 +237,7 @@ void QWaylandClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
     if (!mDisplay->inputDevices().isEmpty()) {
         if (!data)
             data = new QMimeData;
-        mSelection = new QWaylandSelection(mDisplay, data);
+        mSelections.append(new QWaylandSelection(mDisplay, data));
     } else {
         qWarning("QWaylandClipboard::setMimeData: No input devices");
     }
@@ -222,21 +267,27 @@ void QWaylandClipboard::offer(void *data,
                               struct wl_selection_offer *selection_offer,
                               const char *type)
 {
+    Q_UNUSED(data);
     Q_UNUSED(selection_offer);
-    QWaylandClipboard *self = static_cast<QWaylandClipboard *>(data);
-    self->mOfferedMimeTypes.append(QString::fromLatin1(type));
+    clipboard->mOfferedMimeTypes.append(QString::fromLatin1(type));
 }
 
 void QWaylandClipboard::keyboardFocus(void *data,
                                       struct wl_selection_offer *selection_offer,
                                       wl_input_device *input_device)
 {
-    QWaylandClipboard *self = static_cast<QWaylandClipboard *>(data);
+    Q_UNUSED(data);
     if (!input_device) {
         wl_selection_offer_destroy(selection_offer);
-        self->mOffer = 0;
+        clipboard->mOffer = 0;
         return;
     }
-    self->mOffer = selection_offer;
-    self->emitChanged(QClipboard::Clipboard);
+    clipboard->mOffer = selection_offer;
+    if (clipboard->mSelections.isEmpty())
+        QMetaObject::invokeMethod(&clipboard->mEmitter, "emitChanged", Qt::QueuedConnection);
+}
+
+void QWaylandClipboardSignalEmitter::emitChanged()
+{
+    clipboard->emitChanged(QClipboard::Clipboard);
 }
diff --git a/src/plugins/platforms/wayland/qwaylandclipboard.h b/src/plugins/platforms/wayland/qwaylandclipboard.h
index dc51854..f45fb8d 100644
--- a/src/plugins/platforms/wayland/qwaylandclipboard.h
+++ b/src/plugins/platforms/wayland/qwaylandclipboard.h
@@ -44,18 +44,27 @@
 
 #include <QtGui/QPlatformClipboard>
 #include <QtCore/QStringList>
+#include <QtCore/QVariant>
 
 class QWaylandDisplay;
 class QWaylandSelection;
+class QWaylandMimeData;
 struct wl_selection_offer;
 
+class QWaylandClipboardSignalEmitter : public QObject
+{
+    Q_OBJECT
+public slots:
+    void emitChanged();
+};
+
 class QWaylandClipboard : public QPlatformClipboard
 {
 public:
     QWaylandClipboard(QWaylandDisplay *display);
     ~QWaylandClipboard();
 
-    const QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard) const;
+    QMimeData *mimeData(QClipboard::Mode mode = QClipboard::Clipboard);
     void setMimeData(QMimeData *data, QClipboard::Mode mode = QClipboard::Clipboard);
     bool supportsMode(QClipboard::Mode mode) const;
 
@@ -63,6 +72,8 @@ public:
 
     void createSelectionOffer(uint32_t id);
 
+    QVariant retrieveData(const QString &mimeType, QVariant::Type type) const;
+
 private:
     static void offer(void *data,
                       struct wl_selection_offer *selection_offer,
@@ -76,11 +87,11 @@ private:
     static void forceRoundtrip(struct wl_display *display);
 
     QWaylandDisplay *mDisplay;
-    QWaylandSelection *mSelection;
-    mutable QMimeData *mMimeDataIn;
+    QWaylandMimeData *mMimeDataIn;
     QList<QWaylandSelection *> mSelections;
     QStringList mOfferedMimeTypes;
     struct wl_selection_offer *mOffer;
+    QWaylandClipboardSignalEmitter mEmitter;
 };
 
 #endif // QWAYLANDCLIPBOARD_H
diff --git a/src/plugins/platforms/wayland/qwaylanddisplay.cpp b/src/plugins/platforms/wayland/qwaylanddisplay.cpp
index 14a8dcf..83516e9 100644
--- a/src/plugins/platforms/wayland/qwaylanddisplay.cpp
+++ b/src/plugins/platforms/wayland/qwaylanddisplay.cpp
@@ -51,6 +51,10 @@
 #include "gl_integration/qwaylandglintegration.h"
 #endif
 
+#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
+#include "windowmanager_integration/qwaylandwindowmanagerintegration.h"
+#endif
+
 #include <QtCore/QAbstractEventDispatcher>
 #include <QtGui/QApplication>
 #include <QtGui/private/qapplication_p.h>
@@ -77,17 +81,17 @@ struct wl_buffer *QWaylandDisplay::createShmBuffer(int fd,
 
 struct wl_visual *QWaylandDisplay::rgbVisual()
 {
-    return wl_display_get_rgb_visual(mDisplay);
+    return rgb_visual;
 }
 
 struct wl_visual *QWaylandDisplay::argbVisual()
 {
-    return wl_display_get_argb_visual(mDisplay);
+    return argb_visual;
 }
 
 struct wl_visual *QWaylandDisplay::argbPremultipliedVisual()
 {
-    return wl_display_get_premultiplied_argb_visual(mDisplay);
+    return premultiplied_argb_visual;
 }
 
 #ifdef QT_WAYLAND_GL_SUPPORT
@@ -97,6 +101,13 @@ QWaylandGLIntegration * QWaylandDisplay::eglIntegration()
 }
 #endif
 
+#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
+QWaylandWindowManagerIntegration *QWaylandDisplay::windowManagerIntegration()
+{
+    return mWindowManagerIntegration;
+}
+#endif
+
 void QWaylandDisplay::shellHandleConfigure(void *data, struct wl_shell *shell,
                                            uint32_t time, uint32_t edges,
                                            struct wl_surface *surface,
@@ -116,6 +127,7 @@ const struct wl_shell_listener QWaylandDisplay::shellListener = {
 };
 
 QWaylandDisplay::QWaylandDisplay(void)
+    : argb_visual(0), premultiplied_argb_visual(0), rgb_visual(0)
 {
     mDisplay = wl_display_connect(NULL);
     if (mDisplay == NULL) {
@@ -128,6 +140,11 @@ QWaylandDisplay::QWaylandDisplay(void)
 #ifdef QT_WAYLAND_GL_SUPPORT
     mEglIntegration = QWaylandGLIntegration::createGLIntegration(this);
 #endif
+
+#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
+    mWindowManagerIntegration = QWaylandWindowManagerIntegration::createIntegration(this);
+#endif
+
     blockingReadEvents();
 
     qRegisterMetaType<uint32_t>("uint32_t");
@@ -228,6 +245,11 @@ const struct wl_output_listener QWaylandDisplay::outputListener = {
     QWaylandDisplay::outputHandleGeometry
 };
 
+const struct wl_compositor_listener QWaylandDisplay::compositorListener = {
+    QWaylandDisplay::handleVisual,
+};
+
+
 void QWaylandDisplay::waitForScreens()
 {
     flushRequests();
@@ -256,6 +278,8 @@ void QWaylandDisplay::displayHandleGlobal(uint32_t id,
         wl_output_add_listener(output, &outputListener, this);
     } else if (interface == "wl_compositor") {
         mCompositor = wl_compositor_create(mDisplay, id, 1);
+        wl_compositor_add_listener(mCompositor,
+                                   &compositorListener, this);
     } else if (interface == "wl_shm") {
         mShm = wl_shm_create(mDisplay, id, 1);
     } else if (interface == "wl_shell"){
@@ -271,3 +295,23 @@ void QWaylandDisplay::displayHandleGlobal(uint32_t id,
         clipboard->createSelectionOffer(id);
     }
 }
+
+void QWaylandDisplay::handleVisual(void *data,
+                                   struct wl_compositor *compositor,
+                                   uint32_t id, uint32_t token)
+{
+    QWaylandDisplay *self = static_cast<QWaylandDisplay *>(data);
+
+    switch (token) {
+    case WL_COMPOSITOR_VISUAL_ARGB32:
+        self->argb_visual = wl_visual_create(self->mDisplay, id, 1);
+        break;
+    case WL_COMPOSITOR_VISUAL_PREMULTIPLIED_ARGB32:
+        self->premultiplied_argb_visual =
+            wl_visual_create(self->mDisplay, id, 1);
+        break;
+    case WL_COMPOSITOR_VISUAL_XRGB32:
+        self->rgb_visual = wl_visual_create(self->mDisplay, id, 1);
+        break;
+    }
+}
diff --git a/src/plugins/platforms/wayland/qwaylanddisplay.h b/src/plugins/platforms/wayland/qwaylanddisplay.h
index 7cb2df1..765be62 100644
--- a/src/plugins/platforms/wayland/qwaylanddisplay.h
+++ b/src/plugins/platforms/wayland/qwaylanddisplay.h
@@ -55,6 +55,8 @@ class QWaylandBuffer;
 class QPlatformScreen;
 class QWaylandScreen;
 class QWaylandGLIntegration;
+class QWaylandWindowManagerIntegration;
+
 class QWaylandDisplay : public QObject {
     Q_OBJECT
 
@@ -74,6 +76,11 @@ public:
 #ifdef QT_WAYLAND_GL_SUPPORT
     QWaylandGLIntegration *eglIntegration();
 #endif
+
+#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
+    QWaylandWindowManagerIntegration *windowManagerIntegration();
+#endif
+
     void setCursor(QWaylandBuffer *buffer, int32_t x, int32_t y);
 
     void syncCallback(wl_display_sync_func_t func, void *data);
@@ -109,7 +116,10 @@ private:
 
     uint32_t mSocketMask;
 
+    struct wl_visual *argb_visual, *premultiplied_argb_visual, *rgb_visual;
+
     static const struct wl_output_listener outputListener;
+    static const struct wl_compositor_listener compositorListener;
     static int sourceUpdate(uint32_t mask, void *data);
     static void displayHandleGlobal(struct wl_display *display,
                                     uint32_t id,
@@ -120,10 +130,17 @@ private:
                                      int32_t x, int32_t y,
                                      int32_t width, int32_t height);
 
+    static void handleVisual(void *data,
+                                       struct wl_compositor *compositor,
+                                       uint32_t id, uint32_t token);
 #ifdef QT_WAYLAND_GL_SUPPORT
     QWaylandGLIntegration *mEglIntegration;
 #endif
 
+#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
+    QWaylandWindowManagerIntegration *mWindowManagerIntegration;
+#endif
+
     static void shellHandleConfigure(void *data, struct wl_shell *shell,
                                      uint32_t time, uint32_t edges,
                                      struct wl_surface *surface,
diff --git a/src/plugins/platforms/wayland/qwaylandwindow.cpp b/src/plugins/platforms/wayland/qwaylandwindow.cpp
index 734591f..333a953 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwindow.cpp
@@ -46,6 +46,11 @@
 #include "qwaylandinputdevice.h"
 #include "qwaylandscreen.h"
 
+#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
+#include "windowmanager_integration/qwaylandwindowmanagerintegration.h"
+#endif
+
+#include <QCoreApplication>
 #include <QtGui/QWidget>
 #include <QtGui/QWindowSystemInterface>
 
@@ -60,6 +65,11 @@ QWaylandWindow::QWaylandWindow(QWidget *window)
     static WId id = 1;
     mWindowId = id++;
 
+#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
+        mDisplay->windowManagerIntegration()->mapClientToProcess(qApp->applicationPid());
+        mDisplay->windowManagerIntegration()->authenticateWithToken();
+#endif
+
     mSurface = mDisplay->createSurface(this);
 }
 
@@ -120,7 +130,6 @@ void QWaylandWindow::attach(QWaylandBuffer *buffer)
     }
 }
 
-
 void QWaylandWindow::damage(const QRegion &region)
 {
     //We have to do sync stuff before calling damage, or we might
diff --git a/src/plugins/platforms/wayland/wayland.pro b/src/plugins/platforms/wayland/wayland.pro
index 76f8be5..dca72fd 100644
--- a/src/plugins/platforms/wayland/wayland.pro
+++ b/src/plugins/platforms/wayland/wayland.pro
@@ -40,8 +40,10 @@ QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_WAYLAND
 INCLUDEPATH += $$PWD
 
 include ($$PWD/gl_integration/gl_integration.pri)
+include ($$PWD/windowmanager_integration/windowmanager_integration.pri)
 
 include (../fontdatabases/genericunix/genericunix.pri)
 
 target.path += $$[QT_INSTALL_PLUGINS]/platforms
 INSTALLS += target
+
diff --git a/src/plugins/platforms/wayland/wayland_sha1.txt b/src/plugins/platforms/wayland/wayland_sha1.txt
new file mode 100644
index 0000000..d262437
--- /dev/null
+++ b/src/plugins/platforms/wayland/wayland_sha1.txt
@@ -0,0 +1,3 @@
+This version of the Qt Wayland plugin is checked against the following sha1
+from the Wayland repository:
+eff7fc0d99be2e51eaa351785030c8d374ac71de
diff --git a/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.cpp b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.cpp
new file mode 100644
index 0000000..e4a6218
--- /dev/null
+++ b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.cpp
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandwindowmanagerintegration.h"
+#include "qwaylandwindowmanager-client-protocol.h"
+
+#include <stdint.h>
+
+QWaylandWindowManagerIntegration *QWaylandWindowManagerIntegration::createIntegration(QWaylandDisplay *waylandDisplay)
+{
+    return new QWaylandWindowManagerIntegration(waylandDisplay);
+}
+
+QWaylandWindowManagerIntegration::QWaylandWindowManagerIntegration(QWaylandDisplay *waylandDisplay)
+    : mWaylandDisplay(waylandDisplay)
+    , mWaylandWindowManager(0)
+{
+    wl_display_add_global_listener(mWaylandDisplay->wl_display(),
+                                   QWaylandWindowManagerIntegration::wlHandleListenerGlobal,
+                                   this);
+}
+
+QWaylandWindowManagerIntegration::~QWaylandWindowManagerIntegration()
+{
+
+}
+
+struct wl_windowmanager *QWaylandWindowManagerIntegration::windowManager() const
+{
+    return mWaylandWindowManager;
+}
+
+void QWaylandWindowManagerIntegration::wlHandleListenerGlobal(wl_display *display, uint32_t id, const char *interface, uint32_t version, void *data)
+{
+    if (strcmp(interface, "wl_windowmanager") == 0) {
+        QWaylandWindowManagerIntegration *integration = static_cast<QWaylandWindowManagerIntegration *>(data);
+        integration->mWaylandWindowManager = wl_windowmanager_create(display, id);
+    }
+}
+
+void QWaylandWindowManagerIntegration::mapClientToProcess(long long processId)
+{
+    if (mWaylandWindowManager)
+        wl_windowmanager_map_client_to_process(mWaylandWindowManager, (uint32_t) processId);
+}
+
+void QWaylandWindowManagerIntegration::authenticateWithToken(const QByteArray &token)
+{
+    QByteArray authToken = token;
+    if (authToken.isEmpty())
+        authToken = qgetenv("WL_AUTHENTICATION_TOKEN");
+    if (mWaylandWindowManager)
+        wl_windowmanager_authenticate_with_token(mWaylandWindowManager, authToken.constData());
+}
diff --git a/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.h b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.h
new file mode 100644
index 0000000..a79f205
--- /dev/null
+++ b/src/plugins/platforms/wayland/windowmanager_integration/qwaylandwindowmanagerintegration.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDWINDOWMANAGERINTEGRATION_H
+#define QWAYLANDWINDOWMANAGERINTEGRATION_H
+
+#include <QObject>
+#include "wayland-client.h"
+#include "qwaylanddisplay.h"
+
+class QWaylandWindowManagerIntegration
+{
+public:
+    explicit QWaylandWindowManagerIntegration(QWaylandDisplay *waylandDisplay);
+    virtual ~QWaylandWindowManagerIntegration();
+    static QWaylandWindowManagerIntegration *createIntegration(QWaylandDisplay *waylandDisplay);
+    struct wl_windowmanager *windowManager() const;
+
+    void mapSurfaceToProcess(struct wl_surface *surface, long long processId);
+    void mapClientToProcess(long long processId);
+    void authenticateWithToken(const QByteArray &token = QByteArray());
+
+private:
+    static void wlHandleListenerGlobal(wl_display *display, uint32_t id,
+                                       const char *interface, uint32_t version, void *data);
+
+private:
+    QWaylandDisplay *mWaylandDisplay;
+    struct wl_windowmanager *mWaylandWindowManager;
+};
+
+#endif // QWAYLANDWINDOWMANAGERINTEGRATION_H
diff --git a/src/plugins/platforms/wayland/windowmanager_integration/windowmanager_integration.pri b/src/plugins/platforms/wayland/windowmanager_integration/windowmanager_integration.pri
new file mode 100644
index 0000000..664389a
--- /dev/null
+++ b/src/plugins/platforms/wayland/windowmanager_integration/windowmanager_integration.pri
@@ -0,0 +1,16 @@
+DEFINES += QT_WAYLAND_WINDOWMANAGER_SUPPORT
+
+contains(DEFINES, QT_WAYLAND_WINDOWMANAGER_SUPPORT) {
+
+    HEADERS += \
+        $$PWD/qwaylandwindowmanagerintegration.h
+
+    SOURCES += \
+        $$PWD/qwaylandwindowmanagerintegration.cpp
+
+    INCLUDEPATH += $$QT_SOURCE_TREE/src/3rdparty/wayland
+    HEADERS += \
+        $$QT_SOURCE_TREE/src/3rdparty/wayland/qwaylandwindowmanager-client-protocol.h
+    SOURCES += \
+        $$QT_SOURCE_TREE/src/3rdparty/wayland/wayland-windowmanager-protocol.c
+}
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index c687e4c..0a02c7e 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -113,7 +113,8 @@ QXcbWindow::QXcbWindow(QWidget *tlw)
 
 #if defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
     if (tlw->platformWindowFormat().windowApi() == QPlatformWindowFormat::OpenGL
-        && QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL))
+        && QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
+        || tlw->platformWindowFormat().alpha())
     {
 #if defined(XCB_USE_GLX)
         XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen),m_screen->screenNumber(), tlw->platformWindowFormat());
@@ -131,13 +132,17 @@ QXcbWindow::QXcbWindow(QWidget *tlw)
         visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount);
 #endif //XCB_USE_GLX
         if (visualInfo) {
+            m_depth = visualInfo->depth;
+            m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
             Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), m_screen->root(), visualInfo->visual, AllocNone);
 
             XSetWindowAttributes a;
+            a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
+            a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
             a.colormap = cmap;
             m_window = XCreateWindow(DISPLAY_FROM_XCB(this), m_screen->root(), tlw->x(), tlw->y(), tlw->width(), tlw->height(),
                                       0, visualInfo->depth, InputOutput, visualInfo->visual,
-                                      CWColormap, &a);
+                                      CWBackPixel|CWBorderPixel|CWColormap, &a);
 
             printf("created GL window: %d\n", m_window);
         } else {
@@ -147,6 +152,8 @@ QXcbWindow::QXcbWindow(QWidget *tlw)
 #endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
     {
         m_window = xcb_generate_id(xcb_connection());
+        m_depth = m_screen->screen()->root_depth;
+        m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
 
         Q_XCB_CALL(xcb_create_window(xcb_connection(),
                                      XCB_COPY_FROM_PARENT,            // depth -- same as root
diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h
index 3f4d2d2..69d0bc2 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.h
+++ b/src/plugins/platforms/xcb/qxcbwindow.h
@@ -44,6 +44,7 @@
 
 #include <QtGui/QPlatformWindow>
 #include <QtGui/QPlatformWindowFormat>
+#include <QtGui/QImage>
 
 #include <xcb/xcb.h>
 #include <xcb/sync.h>
@@ -74,6 +75,8 @@ public:
     QPlatformGLContext *glContext() const;
 
     xcb_window_t window() const { return m_window; }
+    uint depth() const { return m_depth; }
+    QImage::Format format() const { return m_format; }
 
     void handleExposeEvent(const xcb_expose_event_t *event);
     void handleClientMessageEvent(const xcb_client_message_event_t *event);
@@ -99,6 +102,9 @@ private:
     xcb_window_t m_window;
     QPlatformGLContext *m_context;
 
+    uint m_depth;
+    QImage::Format m_format;
+
     xcb_sync_int64_t m_syncValue;
     xcb_sync_counter_t m_syncCounter;
 
diff --git a/src/plugins/platforms/xcb/qxcbwindowsurface.cpp b/src/plugins/platforms/xcb/qxcbwindowsurface.cpp
index 827a899..4fcd207 100644
--- a/src/plugins/platforms/xcb/qxcbwindowsurface.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindowsurface.cpp
@@ -54,11 +54,12 @@
 #include <stdio.h>
 
 #include <qdebug.h>
+#include <qpainter.h>
 
 class QXcbShmImage : public QXcbObject
 {
 public:
-    QXcbShmImage(QXcbScreen *connection, const QSize &size);
+    QXcbShmImage(QXcbScreen *connection, const QSize &size, uint depth, QImage::Format format);
     ~QXcbShmImage() { destroy(); }
 
     QImage *image() { return &m_qimage; }
@@ -81,7 +82,7 @@ private:
     QRegion m_dirty;
 };
 
-QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size)
+QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QImage::Format format)
     : QXcbObject(screen->connection())
     , m_gc(0)
     , m_gc_window(0)
@@ -91,7 +92,7 @@ QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size)
                                           size.width(),
                                           size.height(),
                                           XCB_IMAGE_FORMAT_Z_PIXMAP,
-                                          screen->depth(),
+                                          depth,
                                           0,
                                           ~0,
                                           0);
@@ -111,7 +112,7 @@ QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size)
     if (shmctl(m_shm_info.shmid, IPC_RMID, 0) == -1)
         qWarning() << "QXcbWindowSurface: Error while marking the shared memory segment to be destroyed";
 
-    m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, screen->format());
+    m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, format);
 }
 
 void QXcbShmImage::destroy()
@@ -189,6 +190,16 @@ QPaintDevice *QXcbWindowSurface::paintDevice()
 void QXcbWindowSurface::beginPaint(const QRegion &region)
 {
     m_image->preparePaint(region);
+
+    if (m_image->image()->hasAlphaChannel()) {
+        QPainter p(m_image->image());
+        p.setCompositionMode(QPainter::CompositionMode_Source);
+        const QVector<QRect> rects = region.rects();
+        const QColor blank = Qt::transparent;
+        for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) {
+            p.fillRect(*it, blank);
+        }
+    }
 }
 
 void QXcbWindowSurface::endPaint(const QRegion &)
@@ -232,9 +243,10 @@ void QXcbWindowSurface::resize(const QSize &size)
     QWindowSurface::resize(size);
 
     QXcbScreen *screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(window()));
+    QXcbWindow* win = static_cast<QXcbWindow *>(window()->platformWindow());
 
     delete m_image;
-    m_image = new QXcbShmImage(screen, size);
+    m_image = new QXcbShmImage(screen, size, win->depth(), win->format());
     Q_XCB_NOOP(connection());
 
     m_syncingResize = true;
diff --git a/src/plugins/platforms/xlib/qxlibclipboard.cpp b/src/plugins/platforms/xlib/qxlibclipboard.cpp
index dbe81e0..2c1d91b 100644
--- a/src/plugins/platforms/xlib/qxlibclipboard.cpp
+++ b/src/plugins/platforms/xlib/qxlibclipboard.cpp
@@ -161,12 +161,11 @@ QXlibClipboard::QXlibClipboard(QXlibScreen *screen)
 {
 }
 
-const QMimeData * QXlibClipboard::mimeData(QClipboard::Mode mode) const
+QMimeData * QXlibClipboard::mimeData(QClipboard::Mode mode)
 {
     if (mode == QClipboard::Clipboard) {
         if (!m_xClipboard) {
-            QXlibClipboard *that = const_cast<QXlibClipboard *>(this);
-            that->m_xClipboard = new QXlibClipboardMime(mode,that);
+            m_xClipboard = new QXlibClipboardMime(mode, this);
         }
         Window clipboardOwner = XGetSelectionOwner(screen()->display()->nativeDisplay(),QXlibStatic::atom(QXlibStatic::CLIPBOARD));
         if (clipboardOwner == owner()) {
@@ -176,8 +175,7 @@ const QMimeData * QXlibClipboard::mimeData(QClipboard::Mode mode) const
         }
     } else if (mode == QClipboard::Selection) {
         if (!m_xSelection) {
-            QXlibClipboard *that = const_cast<QXlibClipboard *>(this);
-            that->m_xSelection = new QXlibClipboardMime(mode,that);
+            m_xSelection = new QXlibClipboardMime(mode, this);
         }
         Window clipboardOwner = XGetSelectionOwner(screen()->display()->nativeDisplay(),XA_PRIMARY);
         if (clipboardOwner == owner()) {
diff --git a/src/plugins/platforms/xlib/qxlibclipboard.h b/src/plugins/platforms/xlib/qxlibclipboard.h
index 5d78a7f..8fdc18b 100644
--- a/src/plugins/platforms/xlib/qxlibclipboard.h
+++ b/src/plugins/platforms/xlib/qxlibclipboard.h
@@ -51,7 +51,7 @@ class QXlibClipboard : public QPlatformClipboard
 public:
     QXlibClipboard(QXlibScreen *screen);
 
-    const QMimeData *mimeData(QClipboard::Mode mode) const;
+    QMimeData *mimeData(QClipboard::Mode mode);
     void setMimeData(QMimeData *data, QClipboard::Mode mode);
 
     bool supportsMode(QClipboard::Mode mode) const;
diff --git a/src/plugins/platforms/xlib/qxlibintegration.cpp b/src/plugins/platforms/xlib/qxlibintegration.cpp
index 90ef066..02104d9 100644
--- a/src/plugins/platforms/xlib/qxlibintegration.cpp
+++ b/src/plugins/platforms/xlib/qxlibintegration.cpp
@@ -150,7 +150,7 @@ bool QXlibIntegration::hasOpenGL() const
 {
 #if !defined(QT_NO_OPENGL)
 #if !defined(QT_OPENGL_ES_2)
-    QXlibScreen *screen = static_cast<const QXlibScreen *>(mScreens.at(0));
+    QXlibScreen *screen = static_cast<QXlibScreen *>(mScreens.at(0));
     return glXQueryExtension(screen->display()->nativeDisplay(), 0, 0) != 0;
 #else
     static bool eglHasbeenInitialized = false;
diff --git a/src/plugins/platforms/xlib/qxlibscreen.cpp b/src/plugins/platforms/xlib/qxlibscreen.cpp
index 8f21ec3..b069985 100644
--- a/src/plugins/platforms/xlib/qxlibscreen.cpp
+++ b/src/plugins/platforms/xlib/qxlibscreen.cpp
@@ -41,6 +41,8 @@
 
 #include "qxlibscreen.h"
 
+#include <X11/extensions/Xfixes.h>
+
 #include "qxlibcursor.h"
 #include "qxlibwindow.h"
 #include "qxlibkeyboard.h"
diff --git a/src/plugins/platforms/xlib/qxlibstatic.h b/src/plugins/platforms/xlib/qxlibstatic.h
index b46b28d..9caa2fa 100644
--- a/src/plugins/platforms/xlib/qxlibstatic.h
+++ b/src/plugins/platforms/xlib/qxlibstatic.h
@@ -136,6 +136,7 @@ typedef char *XPointer;
 #endif
 
 #ifndef QT_NO_XFIXES
+#include <X11/extensions/Xfixes.h>
 typedef Bool (*PtrXFixesQueryExtension)(Display *, int *, int *);
 typedef Status (*PtrXFixesQueryVersion)(Display *, int *, int *);
 typedef void (*PtrXFixesSetCursorName)(Display *dpy, Cursor cursor, const char *name);
diff --git a/src/plugins/platforms/xlib/qxlibwindow.cpp b/src/plugins/platforms/xlib/qxlibwindow.cpp
index 1666b1c..823fae9 100644
--- a/src/plugins/platforms/xlib/qxlibwindow.cpp
+++ b/src/plugins/platforms/xlib/qxlibwindow.cpp
@@ -47,14 +47,6 @@
 #include "qxlibstatic.h"
 #include "qxlibdisplay.h"
 
-#include <QtGui/QWindowSystemInterface>
-#include <QSocketNotifier>
-#include <QApplication>
-#include <QDebug>
-
-#include <QtGui/private/qwindowsurface_p.h>
-#include <QtGui/private/qapplication_p.h>
-
 #if !defined(QT_NO_OPENGL)
 #if !defined(QT_OPENGL_ES_2)
 #include "qglxintegration.h"
@@ -66,6 +58,15 @@
 #endif  //QT_OPENGL_ES_2
 #endif //QT_NO_OPENGL
 
+
+#include <QtGui/QWindowSystemInterface>
+#include <QSocketNotifier>
+#include <QApplication>
+#include <QDebug>
+
+#include <QtGui/private/qwindowsurface_p.h>
+#include <QtGui/private/qapplication_p.h>
+
 //#define MYX11_DEBUG
 
 QT_BEGIN_NAMESPACE
@@ -80,9 +81,10 @@ QXlibWindow::QXlibWindow(QWidget *window)
     int w = window->width();
     int h = window->height();
 
-    if(window->platformWindowFormat().windowApi() == QPlatformWindowFormat::OpenGL
-            && QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL) ) {
 #if !defined(QT_NO_OPENGL)
+    if(window->platformWindowFormat().windowApi() == QPlatformWindowFormat::OpenGL
+            && QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
+            || window->platformWindowFormat().alpha()) {
 #if !defined(QT_OPENGL_ES_2)
         XVisualInfo *visualInfo = qglx_findVisualInfo(mScreen->display()->nativeDisplay(),mScreen->xScreenNumber(),window->platformWindowFormat());
 #else
@@ -101,18 +103,28 @@ QXlibWindow::QXlibWindow(QWidget *window)
         visualInfo = XGetVisualInfo(mScreen->display()->nativeDisplay(), VisualIDMask, &visualInfoTemplate, &matchingCount);
 #endif //!defined(QT_OPENGL_ES_2)
         if (visualInfo) {
-            Colormap cmap = XCreateColormap(mScreen->display()->nativeDisplay(),mScreen->rootWindow(),visualInfo->visual,AllocNone);
+            mDepth = visualInfo->depth;
+            mFormat = (mDepth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
+            mVisual = visualInfo->visual;
+            Colormap cmap = XCreateColormap(mScreen->display()->nativeDisplay(), mScreen->rootWindow(), visualInfo->visual, AllocNone);
 
             XSetWindowAttributes a;
+            a.background_pixel = WhitePixel(mScreen->display()->nativeDisplay(), mScreen->xScreenNumber());
+            a.border_pixel = BlackPixel(mScreen->display()->nativeDisplay(), mScreen->xScreenNumber());
             a.colormap = cmap;
             x_window = XCreateWindow(mScreen->display()->nativeDisplay(), mScreen->rootWindow(),x, y, w, h,
                                      0, visualInfo->depth, InputOutput, visualInfo->visual,
-                                     CWColormap, &a);
+                                     CWBackPixel|CWBorderPixel|CWColormap, &a);
         } else {
             qFatal("no window!");
         }
+    } else
 #endif //!defined(QT_NO_OPENGL)
-    } else {
+    {
+        mDepth = mScreen->depth();
+        mFormat = (mDepth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
+        mVisual = mScreen->defaultVisual();
+
         x_window = XCreateSimpleWindow(mScreen->display()->nativeDisplay(), mScreen->rootWindow(),
                                        x, y, w, h, 0 /*border_width*/,
                                        mScreen->blackPixel(), mScreen->whitePixel());
diff --git a/src/plugins/platforms/xlib/qxlibwindow.h b/src/plugins/platforms/xlib/qxlibwindow.h
index adc2f85..da29efb 100644
--- a/src/plugins/platforms/xlib/qxlibwindow.h
+++ b/src/plugins/platforms/xlib/qxlibwindow.h
@@ -122,6 +122,10 @@ public:
     Window xWindow() const;
     GC graphicsContext() const;
 
+    inline uint depth() const { return mDepth; }
+    QImage::Format format() const { return mFormat; }
+    Visual* visual() const { return mVisual; }
+
 protected:
     QVector<Atom> getNetWmState() const;
     void setMWMHints(const QXlibMWMHints &mwmhints);
@@ -135,6 +139,10 @@ private:
     Window x_window;
     GC gc;
 
+    uint mDepth;
+    QImage::Format mFormat;
+    Visual* mVisual;
+
     GC createGC();
 
     QPlatformGLContext *mGLContext;
diff --git a/src/plugins/platforms/xlib/qxlibwindowsurface.cpp b/src/plugins/platforms/xlib/qxlibwindowsurface.cpp
index add21ac..e0c272d 100644
--- a/src/plugins/platforms/xlib/qxlibwindowsurface.cpp
+++ b/src/plugins/platforms/xlib/qxlibwindowsurface.cpp
@@ -49,6 +49,8 @@
 #include "qxlibscreen.h"
 #include "qxlibdisplay.h"
 
+#include "qpainter.h"
+
 # include <sys/ipc.h>
 # include <sys/shm.h>
 # include <X11/extensions/XShm.h>
@@ -80,20 +82,19 @@ void QXlibShmImageInfo::destroy()
 
 void QXlibWindowSurface::resizeShmImage(int width, int height)
 {
+    QXlibScreen *screen = QXlibScreen::testLiteScreenForWidget(window());
+    QXlibWindow *win = static_cast<QXlibWindow*>(window()->platformWindow());
 
 #ifdef DONT_USE_MIT_SHM
-    shm_img = QImage(width, height, QImage::Format_RGB32);
+    shm_img = QImage(width, height, win->format());
 #else
 
-    QXlibScreen *screen = QXlibScreen::testLiteScreenForWidget(window());
     if (image_info)
         image_info->destroy();
     else
         image_info = new QXlibShmImageInfo(screen->display()->nativeDisplay());
 
-    Visual *visual = screen->defaultVisual();
-
-    XImage *image = XShmCreateImage (screen->display()->nativeDisplay(), visual, 24, ZPixmap, 0,
+    XImage *image = XShmCreateImage (screen->display()->nativeDisplay(), win->visual(), win->depth(), ZPixmap, 0,
                                      &image_info->shminfo, width, height);
 
 
@@ -109,7 +110,7 @@ void QXlibWindowSurface::resizeShmImage(int width, int height)
 
     Q_ASSERT(shm_attach_status == True);
 
-    shm_img = QImage( (uchar*) image->data, image->width, image->height, image->bytes_per_line, QImage::Format_RGB32 );
+    shm_img = QImage( (uchar*) image->data, image->width, image->height, image->bytes_per_line, win->format() );
 #endif
     painted = false;
 }
@@ -160,11 +161,11 @@ void QXlibWindowSurface::flush(QWidget *widget, const QRegion &region, const QPo
 #ifdef DONT_USE_MIT_SHM
     // just convert the image every time...
     if (!shm_img.isNull()) {
-        Visual *visual = DefaultVisual(screen->display(), screen->xScreenNumber());
+        QXlibWindow *win = static_cast<QXlibWindow*>(window()->platformWindow());
 
         QImage image = shm_img;
         //img.convertToFormat(
-        XImage *xi = XCreateImage(screen->display(), visual, 24, ZPixmap,
+        XImage *xi = XCreateImage(screen->display(), win->visual(), win->depth(), ZPixmap,
                                   0, (char *) image.scanLine(0), image.width(), image.height(),
                                   32, image.bytesPerLine());
 
@@ -214,6 +215,16 @@ void QXlibWindowSurface::beginPaint(const QRegion &region)
 {
     Q_UNUSED(region);
     resizeBuffer(size());
+
+    if (shm_img.hasAlphaChannel()) {
+        QPainter p(&shm_img);
+        p.setCompositionMode(QPainter::CompositionMode_Source);
+        const QVector<QRect> rects = region.rects();
+        const QColor blank = Qt::transparent;
+        for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) {
+            p.fillRect(*it, blank);
+        }
+    }
 }
 
 void QXlibWindowSurface::endPaint(const QRegion &region)