Merge remote-tracking branch 'origin/5.4' into dev

Conflicts: src/3rdparty/harfbuzz-ng/harfbuzz-ng.pro src/gui/image/qimage_conversions.cpp src/gui/opengl/qopenglextensions_p.h src/gui/text/qtextengine.cpp src/network/ssl/qsslsocket_openssl.cpp src/plugins/platforms/eglfs/qeglfshooks_stub.cpp src/plugins/platforms/eglfs/qeglfsscreen.cpp src/plugins/platforms/eglfs/qeglfswindow.cpp src/plugins/platforms/windows/qwindowsfontdatabase.cpp src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp src/plugins/platforms/windows/qwindowsnativeinterface.cpp src/plugins/platforms/windows/qwindowsscreen.cpp src/plugins/platforms/windows/qwindowswindow.cpp src/plugins/platforms/windows/qwindowswindow.h src/plugins/platforms/xcb/qxcbdrag.h src/widgets/itemviews/qabstractitemview.cpp src/widgets/kernel/qwidget.cpp src/widgets/util/qsystemtrayicon_p.h tests/auto/corelib/itemmodels/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp Thanks to Friedemann Kleint for resolving the qwindowsfontdatabase.cpp conflicts. Change-Id: I937232c30523d5121c195d947d92aec6f129b03e
author: Frederik Gladhorn <frederik.gladhorn@theqtcompany.com> 2015-02-10 09:32:16 +0100
committer: Frederik Gladhorn <frederik.gladhorn@theqtcompany.com> 2015-02-10 09:42:25 +0100
commit: fc35f714340d5361231506dfbead132122f59460 (patch)
tree: fd80498d9417c87b386a011f5849f1e4e48ad3fa /src/plugins/platforms
parent: 6389160f04322449c34bd1ecfe53983e3b588943 (diff)
parent: 0d990b9ca117514fe83f53b39f25d6272304f2fb (diff)
36 files changed, 761 insertions, 242 deletions
diff --git a/src/plugins/platforms/android/android.pro b/src/plugins/platforms/android/android.pro
index 3c3a4b4b2e..3ba817bf5b 100644
--- a/src/plugins/platforms/android/android.pro
+++ b/src/plugins/platforms/android/android.pro
@@ -8,12 +8,7 @@ DEFINES += QT_STATICPLUGIN
 
 load(qt_plugin)
 
-!contains(ANDROID_PLATFORM, android-9) {
-    INCLUDEPATH += $$NDK_ROOT/platforms/android-9/arch-$$ANDROID_ARCHITECTURE/usr/include
-    LIBS += -L$$NDK_ROOT/platforms/android-9/arch-$$ANDROID_ARCHITECTURE/usr/lib -ljnigraphics -landroid
-} else {
-    LIBS += -ljnigraphics -landroid
-}
+LIBS += -ljnigraphics -landroid
 
 QT += core-private gui-private platformsupport-private
 
@@ -54,7 +49,7 @@ SOURCES += $$PWD/androidplatformplugin.cpp \
            $$PWD/qandroideventdispatcher.cpp
 
 HEADERS += $$PWD/qandroidplatformintegration.h \
-           $$PWD/androidandroiddeadlockprotector.h \
+           $$PWD/androiddeadlockprotector.h \
            $$PWD/androidjnimain.h \
            $$PWD/androidjniaccessibility.h \
            $$PWD/androidjniinput.h \
diff --git a/src/plugins/platforms/cocoa/qcocoamenubar.mm b/src/plugins/platforms/cocoa/qcocoamenubar.mm
index aceb9b619b..0b46508782 100644
--- a/src/plugins/platforms/cocoa/qcocoamenubar.mm
+++ b/src/plugins/platforms/cocoa/qcocoamenubar.mm
@@ -100,7 +100,9 @@ void QCocoaMenuBar::insertNativeMenu(QCocoaMenu *menu, QCocoaMenu *beforeMenu)
 
     menu->setMenuBar(this);
     syncMenu(static_cast<QPlatformMenu *>(menu));
-    [m_nativeMenu setSubmenu: menu->nsMenu() forItem: menu->nsMenuItem()];
+    if (menu->isVisible()) {
+        [m_nativeMenu setSubmenu: menu->nsMenu() forItem: menu->nsMenuItem()];
+    }
 }
 
 void QCocoaMenuBar::insertMenu(QPlatformMenu *platformMenu, QPlatformMenu *before)
diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm
index 780be644e7..fb7b615ee1 100644
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@@ -1830,6 +1830,8 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
     Qt::DropActions qtAllowed = qt_mac_mapNSDragOperations([sender draggingSourceOperationMask]);
 
     QWindow *target = findEventTargetWindow(m_window);
+    if (!target)
+        return NSDragOperationNone;
 
     // update these so selecting move/copy/link works
     QGuiApplicationPrivate::modifier_buttons = [QNSView convertKeyModifiers: [[NSApp currentEvent] modifierFlags]];
@@ -1849,6 +1851,8 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
 - (void)draggingExited:(id <NSDraggingInfo>)sender
 {
     QWindow *target = findEventTargetWindow(m_window);
+    if (!target)
+        return;
 
     NSPoint windowPoint = [self convertPoint: [sender draggingLocation] fromView: nil];
     QPoint qt_windowPoint(windowPoint.x, windowPoint.y);
@@ -1861,6 +1865,8 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 {
     QWindow *target = findEventTargetWindow(m_window);
+    if (!target)
+        return false;
 
     NSPoint windowPoint = [self convertPoint: [sender draggingLocation] fromView: nil];
     QPoint qt_windowPoint(windowPoint.x, windowPoint.y);
@@ -1886,6 +1892,8 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
     Q_UNUSED(img);
     Q_UNUSED(operation);
     QWindow *target = findEventTargetWindow(m_window);
+    if (!target)
+        return;
 
 // keep our state, and QGuiApplication state (buttons member) in-sync,
 // or future mouse events will be processed incorrectly
diff --git a/src/plugins/platforms/eglfs/qeglfscontext.cpp b/src/plugins/platforms/eglfs/qeglfscontext.cpp
index 7054c90521..4bda09653f 100644
--- a/src/plugins/platforms/eglfs/qeglfscontext.cpp
+++ b/src/plugins/platforms/eglfs/qeglfscontext.cpp
@@ -31,15 +31,16 @@
 **
 ****************************************************************************/
 
-#include "qeglfscontext.h"
-#include "qeglfswindow.h"
-#include "qeglfshooks.h"
+#include <QtGui/QSurface>
+#include <QtDebug>
 
+#include <QtPlatformSupport/private/qeglplatformcursor_p.h>
 #include <QtPlatformSupport/private/qeglconvenience_p.h>
 #include <QtPlatformSupport/private/qeglpbuffer_p.h>
-#include <QtPlatformSupport/private/qeglplatformcursor_p.h>
-#include <QtGui/QSurface>
-#include <QtDebug>
+
+#include "qeglfswindow.h"
+#include "qeglfshooks.h"
+#include "qeglfscontext.h"
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/plugins/platforms/eglfs/qeglfsintegration.cpp b/src/plugins/platforms/eglfs/qeglfsintegration.cpp
index 80a029c27f..a13a334433 100644
--- a/src/plugins/platforms/eglfs/qeglfsintegration.cpp
+++ b/src/plugins/platforms/eglfs/qeglfsintegration.cpp
@@ -31,27 +31,27 @@
 **
 ****************************************************************************/
 
-#include "qeglfsintegration.h"
+#include <QtCore/qtextstream.h>
+#include <QtGui/private/qguiapplication_p.h>
+
+#include <qpa/qplatformwindow.h>
+#include <QtGui/QSurfaceFormat>
+#include <QtGui/QOpenGLContext>
+#include <QtGui/QScreen>
+#include <QtGui/QOffscreenSurface>
+#include <qpa/qplatformcursor.h>
 
+#include "qeglfsintegration.h"
 #include "qeglfswindow.h"
 #include "qeglfshooks.h"
 #include "qeglfscontext.h"
 #include "qeglfsoffscreenwindow.h"
 
-#include <QtGui/private/qguiapplication_p.h>
-
 #include <QtPlatformSupport/private/qeglconvenience_p.h>
 #include <QtPlatformSupport/private/qeglplatformcontext_p.h>
 #include <QtPlatformSupport/private/qeglpbuffer_p.h>
 #include <QtPlatformHeaders/QEGLNativeContext>
 
-#include <qpa/qplatformwindow.h>
-#include <QtGui/QSurfaceFormat>
-#include <QtGui/QOpenGLContext>
-#include <QtGui/QScreen>
-#include <QtGui/QOffscreenSurface>
-#include <qpa/qplatformcursor.h>
-
 #include <EGL/egl.h>
 
 static void initResources()
diff --git a/src/plugins/platforms/eglfs/qeglfsscreen.cpp b/src/plugins/platforms/eglfs/qeglfsscreen.cpp
index 84ea1c6483..cb726a016b 100644
--- a/src/plugins/platforms/eglfs/qeglfsscreen.cpp
+++ b/src/plugins/platforms/eglfs/qeglfsscreen.cpp
@@ -31,10 +31,12 @@
 **
 ****************************************************************************/
 
+#include <QtCore/qtextstream.h>
+#include <QtGui/qpa/qplatformcursor.h>
+
 #include "qeglfsscreen.h"
 #include "qeglfswindow.h"
 #include "qeglfshooks.h"
-#include <QtGui/qpa/qplatformcursor.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/plugins/platforms/eglfs/qeglfswindow.cpp b/src/plugins/platforms/eglfs/qeglfswindow.cpp
index d568d50e59..8a61bcf30d 100644
--- a/src/plugins/platforms/eglfs/qeglfswindow.cpp
+++ b/src/plugins/platforms/eglfs/qeglfswindow.cpp
@@ -31,14 +31,17 @@
 **
 ****************************************************************************/
 
-#include "qeglfswindow.h"
-#include "qeglfshooks.h"
+#include <QtCore/qtextstream.h>
 #include <qpa/qwindowsysteminterface.h>
 #include <qpa/qplatformintegration.h>
 #include <private/qguiapplication_p.h>
 #include <QtGui/QOpenGLContext>
 #include <QtPlatformSupport/private/qeglplatformcursor_p.h>
 #include <QtPlatformSupport/private/qeglconvenience_p.h>
+
+#include "qeglfswindow.h"
+#include "qeglfshooks.h"
+
 #include <QtDebug>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/plugins/platforms/minimalegl/qminimaleglwindow.cpp b/src/plugins/platforms/minimalegl/qminimaleglwindow.cpp
index 906a1308da..d4bee2c9e4 100644
--- a/src/plugins/platforms/minimalegl/qminimaleglwindow.cpp
+++ b/src/plugins/platforms/minimalegl/qminimaleglwindow.cpp
@@ -31,10 +31,10 @@
 **
 ****************************************************************************/
 
-#include "qminimaleglwindow.h"
-
 #include <qpa/qwindowsysteminterface.h>
 
+#include "qminimaleglwindow.h"
+
 QT_BEGIN_NAMESPACE
 
 QMinimalEglWindow::QMinimalEglWindow(QWindow *w)
diff --git a/src/plugins/platforms/windows/qtwindows_additional.h b/src/plugins/platforms/windows/qtwindows_additional.h
index 9451b9ce55..4e77350132 100644
--- a/src/plugins/platforms/windows/qtwindows_additional.h
+++ b/src/plugins/platforms/windows/qtwindows_additional.h
@@ -166,4 +166,8 @@ typedef TOUCHINPUT const * PCTOUCHINPUT;
 
 #endif // if defined(Q_CC_MINGW) || !defined(TOUCHEVENTF_MOVE)
 
+#ifndef WM_GESTURE
+#  define WM_GESTURE 0x0119
+#endif
+
 #endif // QTWINDOWS_ADDITIONAL_H
diff --git a/src/plugins/platforms/windows/qtwindowsglobal.h b/src/plugins/platforms/windows/qtwindowsglobal.h
index 90e6d6ab9d..083d82ed8c 100644
--- a/src/plugins/platforms/windows/qtwindowsglobal.h
+++ b/src/plugins/platforms/windows/qtwindowsglobal.h
@@ -109,6 +109,7 @@ enum WindowsEventType // Simplify event types
     DisplayChangedEvent = 437,
     SettingChangedEvent = DisplayChangedEvent + 1,
     ContextMenu = 123,
+    GestureEvent = 124,
     UnknownEvent = 542
 };
 
@@ -247,6 +248,8 @@ inline QtWindows::WindowsEventType windowsEventType(UINT message, WPARAM wParamI
     case WM_APPCOMMAND:
         return QtWindows::AppCommandEvent;
 #endif
+    case WM_GESTURE:
+        return QtWindows::GestureEvent;
     default:
         break;
     }
diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp
index 13a3d044a0..c253a9605b 100644
--- a/src/plugins/platforms/windows/qwindowscontext.cpp
+++ b/src/plugins/platforms/windows/qwindowscontext.cpp
@@ -430,7 +430,7 @@ void QWindowsContext::setKeyGrabber(QWindow *w)
 
 // Window class registering code (from qapplication_win.cpp)
 
-QString QWindowsContext::registerWindowClass(const QWindow *w, bool isGL)
+QString QWindowsContext::registerWindowClass(const QWindow *w)
 {
     Q_ASSERT(w);
     const Qt::WindowFlags flags = w->flags();
@@ -438,7 +438,9 @@ QString QWindowsContext::registerWindowClass(const QWindow *w, bool isGL)
     // Determine style and icon.
     uint style = CS_DBLCLKS;
     bool icon = true;
-    if (isGL || (flags & Qt::MSWindowsOwnDC))
+    // The following will not set CS_OWNDC for any widget window, even if it contains a
+    // QOpenGLWidget or QQuickWidget later on. That cannot be detected at this stage.
+    if (w->surfaceType() == QSurface::OpenGLSurface || (flags & Qt::MSWindowsOwnDC))
         style |= CS_OWNDC;
     if (!(flags & Qt::NoDropShadowWindowHint) && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)
         && (type == Qt::Popup || w->property("_q_windowsDropShadow").toBool())) {
@@ -471,8 +473,6 @@ QString QWindowsContext::registerWindowClass(const QWindow *w, bool isGL)
     default:
         break;
     }
-    if (isGL)
-        cname += QStringLiteral("GL");
     if (style & CS_DROPSHADOW)
         cname += QStringLiteral("DropShadow");
     if (style & CS_SAVEBITS)
@@ -676,7 +676,7 @@ static inline bool findPlatformWindowHelper(const POINT &screenPoint, unsigned c
     const HWND child = ChildWindowFromPointEx(*hwnd, point, cwexFlags);
 #else
     Q_UNUSED(cwexFlags)
-    const HWND child = ChildWindowFromPoint(*hwnd, point);
+    const HWND child = WindowFromPoint(point);
 #endif
     if (!child || child == *hwnd)
         return false;
@@ -905,6 +905,8 @@ bool QWindowsContext::windowsProc(HWND hwnd, UINT message,
         return QWindowsInputContext::instance()->endComposition(hwnd);
     case QtWindows::InputMethodRequest:
         return QWindowsInputContext::instance()->handleIME_Request(wParam, lParam, result);
+    case QtWindows::GestureEvent:
+        return d->m_mouseHandler.translateTouchEvent(platformWindow->window(), hwnd, et, msg, result);
     case QtWindows::InputMethodOpenCandidateWindowEvent:
     case QtWindows::InputMethodCloseCandidateWindowEvent:
         // TODO: Release/regrab mouse if a popup has mouse grab.
diff --git a/src/plugins/platforms/windows/qwindowscontext.h b/src/plugins/platforms/windows/qwindowscontext.h
index 28202219d6..5c2e21192b 100644
--- a/src/plugins/platforms/windows/qwindowscontext.h
+++ b/src/plugins/platforms/windows/qwindowscontext.h
@@ -161,7 +161,7 @@ public:
 
     int defaultDPI() const;
 
-    QString registerWindowClass(const QWindow *w, bool isGL);
+    QString registerWindowClass(const QWindow *w);
     QString registerWindowClass(QString cname, WNDPROC proc,
                                 unsigned style = 0, HBRUSH brush = 0,
                                 bool icon = false);
diff --git a/src/plugins/platforms/windows/qwindowseglcontext.cpp b/src/plugins/platforms/windows/qwindowseglcontext.cpp
index 0872741e47..b71497b176 100644
--- a/src/plugins/platforms/windows/qwindowseglcontext.cpp
+++ b/src/plugins/platforms/windows/qwindowseglcontext.cpp
@@ -64,7 +64,7 @@ QT_BEGIN_NAMESPACE
 QWindowsLibEGL QWindowsEGLStaticContext::libEGL;
 QWindowsLibGLESv2 QWindowsEGLStaticContext::libGLESv2;
 
-#ifndef QT_STATIC
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
 
 #ifdef Q_CC_MINGW
 static void *resolveFunc(HMODULE lib, const char *name)
@@ -111,7 +111,7 @@ void *QWindowsLibEGL::resolve(const char *name)
 
 #endif // !QT_STATIC
 
-#ifndef QT_STATIC
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
 #  define RESOLVE(signature, name) signature(resolve( #name ));
 #else
 #  define RESOLVE(signature, name) signature(&::name);
@@ -127,7 +127,7 @@ bool QWindowsLibEGL::init()
 
     qCDebug(lcQpaGl) << "Qt: Using EGL from" << dllName;
 
-#ifndef QT_STATIC
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
     m_lib = ::LoadLibraryW((const wchar_t *) QString::fromLatin1(dllName).utf16());
     if (!m_lib) {
         qErrnoWarning(::GetLastError(), "Failed to load %s", dllName);
@@ -159,7 +159,7 @@ bool QWindowsLibEGL::init()
     return eglGetError && eglGetDisplay && eglInitialize;
 }
 
-#ifndef QT_STATIC
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
 void *QWindowsLibGLESv2::resolve(const char *name)
 {
     void *proc = m_lib ? resolveFunc(m_lib, name) : 0;
@@ -179,7 +179,7 @@ bool QWindowsLibGLESv2::init()
 #endif
 
     qCDebug(lcQpaGl) << "Qt: Using OpenGL ES 2.0 from" << dllName;
-#ifndef QT_STATIC
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
     m_lib = ::LoadLibraryW((const wchar_t *) QString::fromLatin1(dllName).utf16());
     if (!m_lib) {
         qErrnoWarning(::GetLastError(), "Failed to load %s", dllName);
@@ -340,7 +340,7 @@ QWindowsEGLStaticContext::QWindowsEGLStaticContext(EGLDisplay display, int versi
 {
 }
 
-QWindowsEGLStaticContext *QWindowsEGLStaticContext::create()
+QWindowsEGLStaticContext *QWindowsEGLStaticContext::create(QWindowsOpenGLTester::Renderers preferredType)
 {
     const HDC dc = QWindowsContext::instance()->displayContext();
     if (!dc){
@@ -358,28 +358,34 @@ QWindowsEGLStaticContext *QWindowsEGLStaticContext::create()
     }
 
     EGLDisplay display = EGL_NO_DISPLAY;
+    EGLint major = 0;
+    EGLint minor = 0;
 #ifdef EGL_ANGLE_platform_angle_opengl
-    if (libEGL.eglGetPlatformDisplayEXT && qEnvironmentVariableIsSet("QT_ANGLE_PLATFORM")) {
+    if (libEGL.eglGetPlatformDisplayEXT
+        && (preferredType & QWindowsOpenGLTester::AngleBackendMask)) {
         const EGLint anglePlatformAttributes[][5] = {
             { EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, EGL_NONE },
             { EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE, EGL_NONE },
             { EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, EGL_PLATFORM_ANGLE_USE_WARP_ANGLE, EGL_TRUE, EGL_NONE }
         };
         const EGLint *attributes = 0;
-        const QByteArray anglePlatform = qgetenv("QT_ANGLE_PLATFORM");
-        if (anglePlatform == "d3d11")
+        if (preferredType & QWindowsOpenGLTester::AngleRendererD3d11)
             attributes = anglePlatformAttributes[0];
-        else if (anglePlatform == "d3d9")
+        else if (preferredType & QWindowsOpenGLTester::AngleRendererD3d9)
             attributes = anglePlatformAttributes[1];
-        else if (anglePlatform == "warp")
+        else if (preferredType & QWindowsOpenGLTester::AngleRendererD3d11Warp)
             attributes = anglePlatformAttributes[2];
-        else
-            qCWarning(lcQpaGl) << "Invalid value set for QT_ANGLE_PLATFORM:" << anglePlatform;
-
-        if (attributes)
+        if (attributes) {
             display = libEGL.eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, dc, attributes);
+            if (!libEGL.eglInitialize(display, &major, &minor)) {
+                display = EGL_NO_DISPLAY;
+                major = minor = 0;
+            }
+        }
     }
-#endif // EGL_ANGLE_platform_angle_opengl
+#else // EGL_ANGLE_platform_angle_opengl
+    Q_UNUSED(preferredType)
+#endif
     if (display == EGL_NO_DISPLAY)
         display = libEGL.eglGetDisplay((EGLNativeDisplayType)dc);
     if (!display) {
@@ -387,9 +393,7 @@ QWindowsEGLStaticContext *QWindowsEGLStaticContext::create()
         return 0;
     }
 
-    EGLint major;
-    EGLint minor;
-    if (!libEGL.eglInitialize(display, &major, &minor)) {
+    if (!major && !libEGL.eglInitialize(display, &major, &minor)) {
         int err = libEGL.eglGetError();
         qWarning("%s: Could not initialize EGL display: error 0x%x\n", Q_FUNC_INFO, err);
         if (err == 0x3001)
@@ -573,6 +577,7 @@ bool QWindowsEGLContext::makeCurrent(QPlatformSurface *surface)
     QWindowsEGLStaticContext::libEGL.eglBindAPI(m_api);
 
     QWindowsWindow *window = static_cast<QWindowsWindow *>(surface);
+    window->aboutToMakeCurrent();
     EGLSurface eglSurface = static_cast<EGLSurface>(window->surface(m_eglConfig));
     Q_ASSERT(eglSurface);
 
diff --git a/src/plugins/platforms/windows/qwindowseglcontext.h b/src/plugins/platforms/windows/qwindowseglcontext.h
index 63a7c25a6f..c2b153e4c1 100644
--- a/src/plugins/platforms/windows/qwindowseglcontext.h
+++ b/src/plugins/platforms/windows/qwindowseglcontext.h
@@ -35,6 +35,7 @@
 #define QWINDOWSEGLCONTEXT_H
 
 #include "qwindowsopenglcontext.h"
+#include "qwindowsopengltester.h"
 #include <EGL/egl.h>
 
 QT_BEGIN_NAMESPACE
@@ -74,7 +75,7 @@ struct QWindowsLibEGL
     __eglMustCastToProperFunctionPointerType (EGLAPIENTRY * eglGetProcAddress)(const char *procname);
 
 private:
-#ifndef QT_STATIC
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
     void *resolve(const char *name);
     HMODULE m_lib;
 #endif
@@ -83,7 +84,8 @@ private:
 struct QWindowsLibGLESv2
 {
     bool init();
-#ifndef QT_STATIC
+
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
     void *moduleHandle() const { return m_lib; }
 #else
     void *moduleHandle() const { return Q_NULLPTR; }
@@ -238,7 +240,7 @@ struct QWindowsLibGLESv2
     void (APIENTRY * glDepthRangef)(GLclampf nearVal, GLclampf farVal);
 
 private:
-#ifndef QT_STATIC
+#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
     void *resolve(const char *name);
     HMODULE m_lib;
 #endif
@@ -249,7 +251,7 @@ class QWindowsEGLStaticContext : public QWindowsStaticOpenGLContext
     Q_DISABLE_COPY(QWindowsEGLStaticContext)
 
 public:
-    static QWindowsEGLStaticContext *create();
+    static QWindowsEGLStaticContext *create(QWindowsOpenGLTester::Renderers preferredType);
     ~QWindowsEGLStaticContext();
 
     EGLDisplay display() const { return m_display; }
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
index 724d0e7aaf..91bc4c64a5 100644
--- a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
+++ b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
@@ -932,9 +932,8 @@ static bool addFontToDatabase(const QString &familyName, uchar charSet,
 }
 
 static int QT_WIN_CALLBACK storeFont(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *textmetric,
-                                     int type, LPARAM namesSetIn)
+                                     int type, LPARAM)
 {
-    typedef QSet<QString> StringSet;
     const QString familyName = QString::fromWCharArray(f->elfLogFont.lfFaceName);
     const uchar charSet = f->elfLogFont.lfCharSet;
 
@@ -943,79 +942,69 @@ static int QT_WIN_CALLBACK storeFont(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *textmetr
     // NEWTEXTMETRICEX is a NEWTEXTMETRIC, which according to the documentation is
     // identical to a TEXTMETRIC except for the last four members, which we don't use
     // anyway
-    if (addFontToDatabase(familyName, charSet, (TEXTMETRIC *)textmetric, &signature, type))
-        reinterpret_cast<StringSet *>(namesSetIn)->insert(familyName);
+    addFontToDatabase(familyName, charSet, (TEXTMETRIC *)textmetric, &signature, type);
 
     // keep on enumerating
     return 1;
 }
 
-static int QT_WIN_CALLBACK storeFontSub(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *textmetric,
-                                        int type, LPARAM namesSetIn)
+void QWindowsFontDatabase::populateFamily(const QString &familyName)
 {
-    Q_UNUSED(textmetric)
-    Q_UNUSED(type)
-
+    qCDebug(lcQpaFonts) << familyName;
+    if (familyName.size() >= LF_FACESIZE) {
+        qCWarning(lcQpaFonts) << "Unable to enumerate family '" << familyName << '\'';
+        return;
+    }
     HDC dummy = GetDC(0);
     LOGFONT lf;
-    memset(&lf, 0, sizeof(LOGFONT));
     lf.lfCharSet = DEFAULT_CHARSET;
-    memcpy(lf.lfFaceName, f->elfLogFont.lfFaceName, LF_FACESIZE * sizeof(wchar_t));
+    familyName.toWCharArray(lf.lfFaceName);
+    lf.lfFaceName[familyName.size()] = 0;
     lf.lfPitchAndFamily = 0;
-    EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFont,
-                       (LPARAM)namesSetIn, 0);
+    EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFont, 0, 0);
     ReleaseDC(0, dummy);
-
-    // keep on enumerating
-    return 1;
 }
 
-void QWindowsFontDatabase::populateFontDatabase()
+namespace {
+// Context for enumerating system fonts, records whether the default font has been encountered,
+// which is normally not enumerated by EnumFontFamiliesEx().
+struct PopulateFamiliesContext
 {
-    m_families.clear();
-    removeApplicationFonts();
-    populate(); // Called multiple times.
-    // Work around EnumFontFamiliesEx() not listing the system font, see below.
-    const QString sysFontFamily = QGuiApplication::font().family();
-    if (!m_families.contains(sysFontFamily))
-         populate(sysFontFamily);
-}
-
-/*!
-    \brief Populate font database using EnumFontFamiliesEx().
-
-    Normally, leaving the name empty should enumerate
-    all fonts, however, system fonts like "MS Shell Dlg 2"
-    are only found when specifying the name explicitly.
-*/
+    PopulateFamiliesContext(const QString &f) : systemDefaultFont(f), seenSystemDefaultFont(false) {}
 
-void QWindowsFontDatabase::populate(const QString &family)
-    {
+    QString systemDefaultFont;
+    bool seenSystemDefaultFont;
+};
+} // namespace
 
-    qCDebug(lcQpaFonts) << __FUNCTION__ << m_families.size() << family;
+static int QT_WIN_CALLBACK populateFontFamilies(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *, int, LPARAM lparam)
+{
+    // the "@family" fonts are just the same as "family". Ignore them.
+    const wchar_t *faceNameW = f->elfLogFont.lfFaceName;
+    if (faceNameW[0] && faceNameW[0] != L'@' && wcsncmp(faceNameW, L"WST_", 4)) {
+        const QString faceName = QString::fromWCharArray(faceNameW);
+        QPlatformFontDatabase::registerFontFamily(faceName);
+        PopulateFamiliesContext *context = reinterpret_cast<PopulateFamiliesContext *>(lparam);
+        if (!context->seenSystemDefaultFont && faceName == context->systemDefaultFont)
+            context->seenSystemDefaultFont = true;
+    }
+    return 1; // continue
+}
 
+void QWindowsFontDatabase::populateFontDatabase()
+{
+    removeApplicationFonts();
     HDC dummy = GetDC(0);
     LOGFONT lf;
-    memset(&lf, 0, sizeof(LOGFONT));
     lf.lfCharSet = DEFAULT_CHARSET;
-    if (family.size() >= LF_FACESIZE) {
-        qWarning("%s: Unable to enumerate family '%s'.",
-                 __FUNCTION__, qPrintable(family));
-        return;
-    }
-
+    lf.lfFaceName[0] = 0;
     lf.lfPitchAndFamily = 0;
-
-    if (family.isEmpty()) {
-        EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFontSub,
-                           (LPARAM)&m_families, 0);
-    } else {
-        memcpy(lf.lfFaceName, family.utf16(), family.size() * sizeof(wchar_t));
-        EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFont,
-                           (LPARAM)&m_families, 0);
-    }
-
+    PopulateFamiliesContext context(QWindowsFontDatabase::systemDefaultFont().family());
+    EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)populateFontFamilies, reinterpret_cast<LPARAM>(&context), 0);
     ReleaseDC(0, dummy);
+    // Work around EnumFontFamiliesEx() not listing the system font.
+    if (!context.seenSystemDefaultFont)
+        QPlatformFontDatabase::registerFontFamily(context.systemDefaultFont);
 }
 
 typedef QSharedPointer<QWindowsFontEngineData> QWindowsFontEngineDataPtr;
@@ -1379,7 +1368,7 @@ QStringList QWindowsFontDatabase::addApplicationFont(const QByteArray &fontData,
 
         // Fonts based on files are added via populate, as they will show up in font enumeration.
         for (int j = 0; j < families.count(); ++j)
-            populate(families.at(j));
+            populateFamily(families.at(j));
     }
 
     m_applicationFonts << font;
@@ -1663,7 +1652,7 @@ QStringList QWindowsFontDatabase::fallbacksForFamily(const QString &family, QFon
     result.append(QWindowsFontDatabase::extraTryFontsForFamily(family));
 
     qCDebug(lcQpaFonts) << __FUNCTION__ << family << style << styleHint
-        << script << result << m_families.size();
+        << script << result;
     return result;
 }
 
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.h b/src/plugins/platforms/windows/qwindowsfontdatabase.h
index aa48fb2b08..eb6273b835 100644
--- a/src/plugins/platforms/windows/qwindowsfontdatabase.h
+++ b/src/plugins/platforms/windows/qwindowsfontdatabase.h
@@ -70,6 +70,7 @@ public:
     ~QWindowsFontDatabase();
 
     void populateFontDatabase() Q_DECL_OVERRIDE;
+    void populateFamily(const QString &familyName) Q_DECL_OVERRIDE;
     QFontEngineMulti *fontEngineMulti(QFontEngine *fontEngine, QChar::Script script) Q_DECL_OVERRIDE;
     QFontEngine *fontEngine(const QFontDef &fontDef, void *handle) Q_DECL_OVERRIDE;
     QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) Q_DECL_OVERRIDE;
@@ -99,9 +100,7 @@ public:
     static QString familyForStyleHint(QFont::StyleHint styleHint);
 
 private:
-    void populate(const QString &family = QString());
     void removeApplicationFonts();
-    QSet<QString> m_families;
 
     struct WinApplicationFont {
         HANDLE handle;
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp
index f562b82a2c..c3bfd9825f 100644
--- a/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp
+++ b/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp
@@ -483,26 +483,6 @@ static int QT_WIN_CALLBACK storeFont(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *textmetr
     return 1;
 }
 
-static int QT_WIN_CALLBACK storeFontSub(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *textmetric,
-                                        int type, LPARAM namesSetIn)
-{
-    Q_UNUSED(textmetric)
-    Q_UNUSED(type)
-
-    HDC dummy = GetDC(0);
-    LOGFONT lf;
-    memset(&lf, 0, sizeof(LOGFONT));
-    lf.lfCharSet = DEFAULT_CHARSET;
-    memcpy(lf.lfFaceName, f->elfLogFont.lfFaceName, LF_FACESIZE * sizeof(wchar_t));
-    lf.lfPitchAndFamily = 0;
-    EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFont,
-                       (LPARAM)namesSetIn, 0);
-    ReleaseDC(0, dummy);
-
-    // keep on enumerating
-    return 1;
-}
-
 void QWindowsFontDatabaseFT::populateFontDatabase()
 {
     m_families.clear();
@@ -528,7 +508,6 @@ void QWindowsFontDatabaseFT::populate(const QString &family)
 
     HDC dummy = GetDC(0);
     LOGFONT lf;
-    memset(&lf, 0, sizeof(LOGFONT));
     lf.lfCharSet = DEFAULT_CHARSET;
     if (family.size() >= LF_FACESIZE) {
         qWarning("%s: Unable to enumerate family '%s'.",
@@ -536,16 +515,12 @@ void QWindowsFontDatabaseFT::populate(const QString &family)
         return;
     }
 
+    wmemcpy(lf.lfFaceName, reinterpret_cast<const wchar_t*>(family.utf16()),
+            family.size() + 1);
     lf.lfPitchAndFamily = 0;
 
-    if (family.isEmpty()) {
-        EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFontSub,
-                           (LPARAM)&m_families, 0);
-    } else {
-        memcpy(lf.lfFaceName, family.utf16(), family.size() * sizeof(wchar_t));
-        EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFont,
-                           (LPARAM)&m_families, 0);
-    }
+    EnumFontFamiliesEx(dummy, &lf, (FONTENUMPROC)storeFont,
+                       (LPARAM)&m_families, 0);
 
     ReleaseDC(0, dummy);
 }
diff --git a/src/plugins/platforms/windows/qwindowsglcontext.cpp b/src/plugins/platforms/windows/qwindowsglcontext.cpp
index 786a662287..e71b101125 100644
--- a/src/plugins/platforms/windows/qwindowsglcontext.cpp
+++ b/src/plugins/platforms/windows/qwindowsglcontext.cpp
@@ -1305,6 +1305,7 @@ bool QWindowsGLContext::makeCurrent(QPlatformSurface *surface)
 
     // Do we already have a DC entry for that window?
     QWindowsWindow *window = static_cast<QWindowsWindow *>(surface);
+    window->aboutToMakeCurrent();
     const HWND hwnd = window->handle();
     if (const QOpenGLContextData *contextData = findByHWND(m_windowContexts, hwnd)) {
         // Repeated calls to wglMakeCurrent when vsync is enabled in the driver will
diff --git a/src/plugins/platforms/windows/qwindowsinputcontext.cpp b/src/plugins/platforms/windows/qwindowsinputcontext.cpp
index d8e4900780..32074fd9b1 100644
--- a/src/plugins/platforms/windows/qwindowsinputcontext.cpp
+++ b/src/plugins/platforms/windows/qwindowsinputcontext.cpp
@@ -209,7 +209,7 @@ void QWindowsInputContext::setFocusObject(QObject *object)
         imeNotifyCancelComposition(m_compositionContext.hwnd);
 
     const QWindow *window = QGuiApplication::focusWindow();
-    if (object && window) {
+    if (object && window && window->handle()) {
         QWindowsWindow *platformWindow = QWindowsWindow::baseWindowOf(window);
         if (inputMethodAccepted()) {
             // Re-enable IME by associating default context saved on first disabling.
diff --git a/src/plugins/platforms/windows/qwindowsintegration.cpp b/src/plugins/platforms/windows/qwindowsintegration.cpp
index 54fb138d85..58d675876b 100644
--- a/src/plugins/platforms/windows/qwindowsintegration.cpp
+++ b/src/plugins/platforms/windows/qwindowsintegration.cpp
@@ -130,7 +130,6 @@ struct QWindowsIntegrationPrivate
 {
     explicit QWindowsIntegrationPrivate(const QStringList &paramList);
     ~QWindowsIntegrationPrivate();
-    bool ensureStaticOpenGLContext();
 
     unsigned m_options;
     QWindowsContext m_context;
@@ -266,7 +265,9 @@ bool QWindowsIntegration::hasCapability(QPlatformIntegration::Capability cap) co
     case OpenGL:
         return true;
     case ThreadedOpenGL:
-        return d->ensureStaticOpenGLContext() ? d->m_staticOpenGLContext->supportsThreadedOpenGL() : false;
+        if (const QWindowsStaticOpenGLContext *glContext = QWindowsIntegration::staticOpenGLContext())
+            return glContext->supportsThreadedOpenGL();
+        return false;
 #endif // !QT_NO_OPENGL
     case WindowMasks:
         return true;
@@ -312,11 +313,6 @@ QWindowsWindowData QWindowsIntegration::createWindowData(QWindow *window) const
             QWindowSystemInterface::handleGeometryChange(window, QWindowsScaling::mapFromNative(obtained.geometry));
     }
 
-#ifndef QT_NO_OPENGL
-    d->ensureStaticOpenGLContext();
-    obtained.staticOpenGLContext = d->m_staticOpenGLContext;
-#endif // QT_NO_OPENGL
-
     return obtained;
 }
 
@@ -328,61 +324,65 @@ QPlatformWindow *QWindowsIntegration::createPlatformWindow(QWindow *window) cons
 }
 
 #ifndef QT_NO_OPENGL
-static QWindowsStaticOpenGLContext *q_staticOpenGLContext = 0;
 
-QWindowsStaticOpenGLContext *QWindowsStaticOpenGLContext::create()
+QWindowsStaticOpenGLContext *QWindowsStaticOpenGLContext::doCreate()
 {
-    QWindowsStaticOpenGLContext *ctx = 0;
-
 #if defined(QT_OPENGL_DYNAMIC)
-    const QByteArray requested = qgetenv("QT_OPENGL"); // angle, desktop, software
-    const bool angleRequested = QCoreApplication::testAttribute(Qt::AA_UseOpenGLES) || requested == "angle";
-    const bool desktopRequested = QCoreApplication::testAttribute(Qt::AA_UseDesktopOpenGL) || requested == "desktop";
-    const bool softwareRequested = QCoreApplication::testAttribute(Qt::AA_UseSoftwareOpenGL) || requested == "software";
-
+    QWindowsOpenGLTester::Renderer requestedRenderer = QWindowsOpenGLTester::requestedRenderer();
+    switch (requestedRenderer) {
+    case QWindowsOpenGLTester::DesktopGl:
+        if (QWindowsStaticOpenGLContext *glCtx = QOpenGLStaticContext::create())
+            return glCtx;
+        qCWarning(lcQpaGl, "System OpenGL failed. Falling back to Software OpenGL.");
+        return QOpenGLStaticContext::create(true);
     // If ANGLE is requested, use it, don't try anything else.
-    if (angleRequested) {
-        ctx = QWindowsEGLStaticContext::create();
-    } else {
-        // If opengl32.dll seems to be OpenGL 2.x capable, or desktop OpenGL is requested, use it.
-        if (!softwareRequested && (desktopRequested || QWindowsOpenGLTester::testDesktopGL()))
-            ctx = QOpenGLStaticContext::create();
-        // If failed and desktop OpenGL is not explicitly requested, try ANGLE.
-        if (!ctx && !desktopRequested && !softwareRequested)
-            ctx = QWindowsEGLStaticContext::create();
-        // Try software.
-        if (!ctx) {
-            ctx = QOpenGLStaticContext::create(true);
-            // If software was explicitly requested but failed, try the regular one.
-            if (!ctx && softwareRequested && QWindowsOpenGLTester::testDesktopGL()) {
-                qCWarning(lcQpaGl, "Software OpenGL failed. Falling back to system OpenGL.");
-                ctx = QOpenGLStaticContext::create();
-            }
-        }
+    case QWindowsOpenGLTester::AngleRendererD3d9:
+    case QWindowsOpenGLTester::AngleRendererD3d11:
+    case QWindowsOpenGLTester::AngleRendererD3d11Warp:
+        return QWindowsEGLStaticContext::create(requestedRenderer);
+    case QWindowsOpenGLTester::Gles:
+        return QWindowsEGLStaticContext::create(QWindowsOpenGLTester::supportedGlesRenderers());
+    case QWindowsOpenGLTester::SoftwareRasterizer:
+        if (QWindowsStaticOpenGLContext *swCtx = QOpenGLStaticContext::create(true))
+            return swCtx;
+        qCWarning(lcQpaGl, "Software OpenGL failed. Falling back to system OpenGL.");
+        if (QWindowsOpenGLTester::supportedRenderers() & QWindowsOpenGLTester::DesktopGl)
+            return QOpenGLStaticContext::create();
+        return Q_NULLPTR;
+    default:
+        break;
+    }
+
+    const QWindowsOpenGLTester::Renderers supportedRenderers = QWindowsOpenGLTester::supportedRenderers();
+    if (supportedRenderers & QWindowsOpenGLTester::DesktopGl) {
+        if (QWindowsStaticOpenGLContext *glCtx = QOpenGLStaticContext::create())
+            return glCtx;
+    }
+    if (QWindowsOpenGLTester::Renderers glesRenderers = supportedRenderers & QWindowsOpenGLTester::GlesMask) {
+        if (QWindowsEGLStaticContext *eglCtx = QWindowsEGLStaticContext::create(glesRenderers))
+            return eglCtx;
     }
+    return QOpenGLStaticContext::create(true);
 #elif defined(QT_OPENGL_ES_2)
-    ctx = QWindowsEGLStaticContext::create();
+    QWindowsOpenGLTester::Renderers glesRenderers = QWindowsOpenGLTester::requestedGlesRenderer();
+    if (glesRenderers == QWindowsOpenGLTester::InvalidRenderer)
+        glesRenderers = QWindowsOpenGLTester::supportedGlesRenderers();
+    return QWindowsEGLStaticContext::create(glesRenderers);
 #elif !defined(QT_NO_OPENGL)
-    ctx = QOpenGLStaticContext::create();
+    return QOpenGLStaticContext::create();
 #endif
-
-    q_staticOpenGLContext = ctx;
-
-    return ctx;
 }
 
-bool QWindowsIntegrationPrivate::ensureStaticOpenGLContext()
+QWindowsStaticOpenGLContext *QWindowsStaticOpenGLContext::create()
 {
-    if (m_staticOpenGLContext.isNull())
-        m_staticOpenGLContext = QSharedPointer<QWindowsStaticOpenGLContext>(QWindowsStaticOpenGLContext::create());
-    return !m_staticOpenGLContext.isNull();
+    return QWindowsStaticOpenGLContext::doCreate();
 }
 
 QPlatformOpenGLContext *QWindowsIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
 {
     qCDebug(lcQpaGl) << __FUNCTION__ << context->format();
-    if (d->ensureStaticOpenGLContext()) {
-        QScopedPointer<QWindowsOpenGLContext> result(d->m_staticOpenGLContext->createContext(context));
+    if (QWindowsStaticOpenGLContext *staticOpenGLContext = QWindowsIntegration::staticOpenGLContext()) {
+        QScopedPointer<QWindowsOpenGLContext> result(staticOpenGLContext->createContext(context));
         if (result->isValid())
             return result.take();
     }
@@ -396,13 +396,18 @@ QOpenGLContext::OpenGLModuleType QWindowsIntegration::openGLModuleType()
 #elif !defined(QT_OPENGL_DYNAMIC)
     return QOpenGLContext::LibGL;
 #else
-    return d->ensureStaticOpenGLContext() ? d->m_staticOpenGLContext->moduleType() : QOpenGLContext::LibGL;
+    if (const QWindowsStaticOpenGLContext *staticOpenGLContext = QWindowsIntegration::staticOpenGLContext())
+        return staticOpenGLContext->moduleType();
+    return QOpenGLContext::LibGL;
 #endif
 }
 
 QWindowsStaticOpenGLContext *QWindowsIntegration::staticOpenGLContext()
 {
-    return q_staticOpenGLContext;
+    QWindowsIntegrationPrivate *d = QWindowsIntegration::instance()->d.data();
+    if (d->m_staticOpenGLContext.isNull())
+        d->m_staticOpenGLContext = QSharedPointer<QWindowsStaticOpenGLContext>(QWindowsStaticOpenGLContext::create());
+    return d->m_staticOpenGLContext.data();
 }
 #endif // !QT_NO_OPENGL
 
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.cpp b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
index acb692579b..0fa34041d6 100644
--- a/src/plugins/platforms/windows/qwindowsmousehandler.cpp
+++ b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
@@ -422,11 +422,12 @@ bool QWindowsMouseHandler::translateMouseWheelEvent(QWindow *window, HWND,
 }
 
 // from bool QApplicationPrivate::translateTouchEvent()
-bool QWindowsMouseHandler::translateTouchEvent(QWindow *window, HWND,
+bool QWindowsMouseHandler::translateTouchEvent(QWindow *window, HWND hwnd,
                                                QtWindows::WindowsEventType,
                                                MSG msg, LRESULT *)
 {
 #ifndef Q_OS_WINCE
+    Q_UNUSED(hwnd);
     typedef QWindowSystemInterface::TouchPoint QTouchPoint;
     typedef QList<QWindowSystemInterface::TouchPoint> QTouchPointList;
 
@@ -495,8 +496,87 @@ bool QWindowsMouseHandler::translateTouchEvent(QWindow *window, HWND,
                                              m_touchDevice,
                                              touchPoints);
     return true;
-#else
-    return false;
+#else //Q_OS_WINCE
+    GESTUREINFO gi;
+    memset(&gi, 0, sizeof(GESTUREINFO));
+    gi.cbSize = sizeof(GESTUREINFO);
+
+    if (!GetGestureInfo((HGESTUREINFO)msg.lParam, &gi))
+        return false;
+
+    const QPoint position = QPoint(gi.ptsLocation.x, gi.ptsLocation.y);
+
+    if (gi.dwID != GID_DIRECTMANIPULATION)
+        return true;
+    static QPoint lastTouchPos;
+    const QRect screenGeometry = window->screen()->geometry();
+    QWindowSystemInterface::TouchPoint touchPoint;
+    static QWindowSystemInterface::TouchPoint touchPoint2;
+    touchPoint.id = 0;//gi.dwInstanceID;
+    touchPoint.pressure = 1.0;
+
+    if (gi.dwFlags & GF_BEGIN)
+        touchPoint.state = Qt::TouchPointPressed;
+    else if (gi.dwFlags & GF_END)
+        touchPoint.state = Qt::TouchPointReleased;
+    else if (gi.dwFlags == 0)
+        touchPoint.state = Qt::TouchPointMoved;
+    else
+        return true;
+    touchPoint2.pressure = 1.0;
+    touchPoint2.id = 1;
+    const QPoint winEventPosition = position;
+    const int deltaX = GID_DIRECTMANIPULATION_DELTA_X(gi.ullArguments);
+    const int deltaY = GID_DIRECTMANIPULATION_DELTA_Y(gi.ullArguments);
+    //Touch points are taken from the whole screen so map the position to the screen
+    const QPoint globalPosition = QWindowsGeometryHint::mapToGlobal(hwnd, winEventPosition);
+    const QPoint globalPosition2 = QWindowsGeometryHint::mapToGlobal(hwnd, QPoint(position.x() + deltaX, position.y() + deltaY));
+
+    touchPoint.normalPosition =
+        QPointF( (qreal)globalPosition.x() / screenGeometry.width(), (qreal)globalPosition.y() / screenGeometry.height() );
+
+    touchPoint.area.moveCenter(globalPosition);
+
+    QList<QWindowSystemInterface::TouchPoint> pointList;
+    pointList.append(touchPoint);
+    if (deltaX != 0 && deltaY != 0) {
+        touchPoint2.state = m_had2ndTouchPoint ? Qt::TouchPointMoved : Qt::TouchPointPressed;
+        m_had2ndTouchPoint = true;
+        touchPoint2.normalPosition =
+            QPointF( (qreal)globalPosition2.x() / screenGeometry.width(), (qreal)globalPosition2.y() / screenGeometry.height() );
+
+        touchPoint2.area.moveCenter(globalPosition2);
+        lastTouchPos = globalPosition2;
+        pointList.append(touchPoint2);
+    } else if (m_had2ndTouchPoint) {
+        touchPoint2.normalPosition =
+            QPointF( (qreal)lastTouchPos.x() / screenGeometry.width(), (qreal)lastTouchPos.y() / screenGeometry.height() );
+
+        touchPoint2.area.moveCenter(lastTouchPos);
+        touchPoint2.state = Qt::TouchPointReleased;
+        pointList.append(touchPoint2);
+        m_had2ndTouchPoint = false;
+    }
+
+    if (!m_touchDevice) {
+        m_touchDevice = new QTouchDevice;
+        // TODO: Device used to be hardcoded to screen in previous code.
+        m_touchDevice->setType(QTouchDevice::TouchScreen);
+        m_touchDevice->setCapabilities(QTouchDevice::Position | QTouchDevice::Area | QTouchDevice::NormalizedPosition);
+        QWindowSystemInterface::registerTouchDevice(m_touchDevice);
+    }
+
+    QWindowSystemInterface::handleTouchEvent(window, m_touchDevice, pointList);
+    // handle window focusing in/out
+    if (window != m_windowUnderMouse) {
+        if (m_windowUnderMouse)
+            QWindowSystemInterface::handleLeaveEvent(m_windowUnderMouse);
+        if (window)
+            QWindowSystemInterface::handleEnterEvent(window);
+        m_windowUnderMouse = window;
+    }
+
+    return true;
 #endif
 }
 
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.h b/src/plugins/platforms/windows/qwindowsmousehandler.h
index 6491de93b5..60fe26b2b9 100644
--- a/src/plugins/platforms/windows/qwindowsmousehandler.h
+++ b/src/plugins/platforms/windows/qwindowsmousehandler.h
@@ -79,6 +79,10 @@ private:
     QTouchDevice *m_touchDevice;
     bool m_leftButtonDown;
     QWindow *m_previousCaptureWindow;
+#ifdef Q_OS_WINCE
+//This is required to send a touch up if we don't get a second touch position any more
+    bool m_had2ndTouchPoint;
+#endif
 };
 
 Qt::MouseButtons QWindowsMouseHandler::keyStateToMouseButtons(int wParam)
diff --git a/src/plugins/platforms/windows/qwindowsnativeinterface.cpp b/src/plugins/platforms/windows/qwindowsnativeinterface.cpp
index bd5022505f..b2f853f3e6 100644
--- a/src/plugins/platforms/windows/qwindowsnativeinterface.cpp
+++ b/src/plugins/platforms/windows/qwindowsnativeinterface.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the plugins of the Qt Toolkit.
@@ -35,6 +35,7 @@
 #include "qwindowswindow.h"
 #include "qwindowscontext.h"
 #include "qwindowsopenglcontext.h"
+#include "qwindowsopengltester.h"
 #include "qwindowsintegration.h"
 #include "qwindowsmime.h"
 
@@ -223,4 +224,9 @@ QFunctionPointer QWindowsNativeInterface::platformFunction(const QByteArray &fun
     return Q_NULLPTR;
 }
 
+QVariant QWindowsNativeInterface::gpu() const
+{
+    return GpuDescription::detect().toVariant();
+}
+
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/windows/qwindowsnativeinterface.h b/src/plugins/platforms/windows/qwindowsnativeinterface.h
index 9b2ac00986..5c9e15fa35 100644
--- a/src/plugins/platforms/windows/qwindowsnativeinterface.h
+++ b/src/plugins/platforms/windows/qwindowsnativeinterface.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the plugins of the Qt Toolkit.
@@ -58,6 +58,7 @@ class QWindowsNativeInterface : public QPlatformNativeInterface
 {
     Q_OBJECT
     Q_PROPERTY(bool asyncExpose READ asyncExpose WRITE setAsyncExpose)
+    Q_PROPERTY(QVariant gpu READ gpu STORED false)
 
 public:
     void *nativeResourceForIntegration(const QByteArray &resource) Q_DECL_OVERRIDE;
@@ -81,6 +82,8 @@ public:
     bool asyncExpose() const;
     void setAsyncExpose(bool value);
 
+    QVariant gpu() const;
+
     QVariantMap windowProperties(QPlatformWindow *window) const Q_DECL_OVERRIDE;
     QVariant windowProperty(QPlatformWindow *window, const QString &name) const Q_DECL_OVERRIDE;
     QVariant windowProperty(QPlatformWindow *window, const QString &name, const QVariant &defaultValue) const Q_DECL_OVERRIDE;
diff --git a/src/plugins/platforms/windows/qwindowsopenglcontext.h b/src/plugins/platforms/windows/qwindowsopenglcontext.h
index 2f724f3dd7..550bf00a40 100644
--- a/src/plugins/platforms/windows/qwindowsopenglcontext.h
+++ b/src/plugins/platforms/windows/qwindowsopenglcontext.h
@@ -58,6 +58,9 @@ public:
     // reimplement these.
     virtual void *createWindowSurface(void * /*nativeWindow*/, void * /*nativeConfig*/) { return 0; }
     virtual void destroyWindowSurface(void * /*nativeSurface*/) { }
+
+private:
+    static QWindowsStaticOpenGLContext *doCreate();
 };
 
 class QWindowsOpenGLContext : public QPlatformOpenGLContext
diff --git a/src/plugins/platforms/windows/qwindowsopengltester.cpp b/src/plugins/platforms/windows/qwindowsopengltester.cpp
index ba3a95ce7a..f6caf8b06e 100644
--- a/src/plugins/platforms/windows/qwindowsopengltester.cpp
+++ b/src/plugins/platforms/windows/qwindowsopengltester.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the plugins of the Qt Toolkit.
@@ -32,13 +32,231 @@
 ****************************************************************************/
 
 #include "qwindowsopengltester.h"
-#include "qt_windows.h"
 #include "qwindowscontext.h"
 
+#include <QtCore/QVariantMap>
+#include <QtCore/QDebug>
+#include <QtCore/QTextStream>
+#include <QtCore/QCoreApplication>
+
+#ifndef Q_OS_WINCE
+#  include <QtCore/qt_windows.h>
+#  include <private/qsystemlibrary_p.h>
+#  include <d3d9.h>
+#  include <GL/gl.h>
+#endif
+
 QT_BEGIN_NAMESPACE
 
+QString GpuDriverVersion::toString() const
+{
+    return QString::number(product)
+        + QLatin1Char('.') + QString::number(version)
+        + QLatin1Char('.') + QString::number(subVersion)
+        + QLatin1Char('.') + QString::number(build);
+}
+
+int GpuDriverVersion::compare(const GpuDriverVersion &rhs) const
+{
+    if (product < rhs.product)
+        return -1;
+    if (product > rhs.product)
+        return 1;
+    if (version < rhs.version)
+        return -1;
+    if (version > rhs.version)
+        return 1;
+    if (subVersion < rhs.subVersion)
+        return -1;
+    if (subVersion > rhs.subVersion)
+        return 1;
+    if (build < rhs.build)
+        return -1;
+    if (build > rhs.build)
+        return 1;
+    return 0;
+}
+
+GpuDescription GpuDescription::detect()
+{
+#ifndef Q_OS_WINCE
+    typedef IDirect3D9 * (WINAPI *PtrDirect3DCreate9)(UINT);
+
+    GpuDescription result;
+    QSystemLibrary d3d9lib(QStringLiteral("d3d9"));
+    if (!d3d9lib.load())
+        return result;
+    PtrDirect3DCreate9 direct3DCreate9 = (PtrDirect3DCreate9)d3d9lib.resolve("Direct3DCreate9");
+    if (!direct3DCreate9)
+        return result;
+    IDirect3D9 *direct3D9 = direct3DCreate9(D3D_SDK_VERSION);
+    if (!direct3D9)
+        return result;
+    D3DADAPTER_IDENTIFIER9 adapterIdentifier;
+    const HRESULT hr = direct3D9->GetAdapterIdentifier(0, 0, &adapterIdentifier);
+    direct3D9->Release();
+    if (SUCCEEDED(hr)) {
+        result.vendorId = int(adapterIdentifier.VendorId);
+        result.deviceId = int(adapterIdentifier.DeviceId);
+        result.revision = int(adapterIdentifier.Revision);
+        result.subSysId = int(adapterIdentifier.SubSysId);
+        result.driverVersion.product = HIWORD(adapterIdentifier.DriverVersion.HighPart);
+        result.driverVersion.version = LOWORD(adapterIdentifier.DriverVersion.HighPart);
+        result.driverVersion.subVersion = HIWORD(adapterIdentifier.DriverVersion.LowPart);
+        result.driverVersion.build = LOWORD(adapterIdentifier.DriverVersion.LowPart);
+        result.driverName = adapterIdentifier.Driver;
+        result.description = adapterIdentifier.Description;
+    }
+    return result;
+#else // !Q_OS_WINCE
+    GpuDescription result;
+    result.vendorId = result.deviceId = result.revision
+        = result.driverVersion.product = result.driverVersion.version
+        = result.driverVersion.build = 1;
+    result.driverName = result.description = QByteArrayLiteral("Generic");
+    return result;
+#endif
+}
+
+QDebug operator<<(QDebug d, const GpuDriverVersion &v)
+{
+    QDebugStateSaver s(d);
+    d.nospace();
+    d << v.product << '.' << v.version << '.' << v.subVersion << '.' << v.build;
+    return d;
+}
+
+QDebug operator<<(QDebug d, const GpuDescription &gd)
+{
+    QDebugStateSaver s(d);
+    d.nospace();
+    d << hex << showbase << "GpuDescription(vendorId=" << gd.vendorId
+      << ", deviceId=" << gd.deviceId << ", subSysId=" << gd.subSysId
+      << dec << noshowbase << ", revision=" << gd.revision
+      << ", driver: " << gd.driverName
+      << ", version=" << gd.driverVersion << ", " << gd.description << ')';
+    return d;
+}
+
+// Return printable string formatted like the output of the dxdiag tool.
+QString GpuDescription::toString() const
+{
+    QString result;
+    QTextStream str(&result);
+    str <<   "         Card name: " << description
+        << "\n       Driver Name: " << driverName
+        << "\n    Driver Version: " << driverVersion.toString()
+        << "\n         Vendor ID: 0x" << qSetPadChar(QLatin1Char('0'))
+        << uppercasedigits << hex << qSetFieldWidth(4) << vendorId
+        << "\n         Device ID: 0x" << qSetFieldWidth(4) << deviceId
+        << "\n         SubSys ID: 0x" << qSetFieldWidth(8) << subSysId
+        << "\n       Revision ID: 0x" << qSetFieldWidth(4) << revision
+        << dec;
+    return result;
+}
+
+QVariant GpuDescription::toVariant() const
+{
+    QVariantMap result;
+    result.insert(QStringLiteral("vendorId"), QVariant(vendorId));
+    result.insert(QStringLiteral("deviceId"), QVariant(deviceId));
+    result.insert(QStringLiteral("subSysId"),QVariant(subSysId));
+    result.insert(QStringLiteral("revision"), QVariant(revision));
+    result.insert(QStringLiteral("driver"), QVariant(QLatin1String(driverName)));
+    result.insert(QStringLiteral("driverProduct"), QVariant(driverVersion.product));
+    result.insert(QStringLiteral("driverVersion"), QVariant(driverVersion.version));
+    result.insert(QStringLiteral("driverSubVersion"), QVariant(driverVersion.subVersion));
+    result.insert(QStringLiteral("driverBuild"), QVariant(driverVersion.build));
+    result.insert(QStringLiteral("driverVersionString"), driverVersion.toString());
+    result.insert(QStringLiteral("description"), QVariant(QLatin1String(description)));
+    result.insert(QStringLiteral("printable"), QVariant(toString()));
+    return result;
+}
+
+QWindowsOpenGLTester::Renderer QWindowsOpenGLTester::requestedGlesRenderer()
+{
+#ifndef Q_OS_WINCE
+    const char platformVar[] = "QT_ANGLE_PLATFORM";
+    if (qEnvironmentVariableIsSet(platformVar)) {
+        const QByteArray anglePlatform = qgetenv(platformVar);
+        if (anglePlatform == "d3d11")
+            return QWindowsOpenGLTester::AngleRendererD3d11;
+        if (anglePlatform == "d3d9")
+            return QWindowsOpenGLTester::AngleRendererD3d9;
+        if (anglePlatform == "warp")
+            return QWindowsOpenGLTester::AngleRendererD3d11Warp;
+        qCWarning(lcQpaGl) << "Invalid value set for " << platformVar << ": " << anglePlatform;
+    }
+#endif // !Q_OS_WINCE
+    return QWindowsOpenGLTester::InvalidRenderer;
+}
+
+QWindowsOpenGLTester::Renderer QWindowsOpenGLTester::requestedRenderer()
+{
+#ifndef Q_OS_WINCE
+    const char openGlVar[] = "QT_OPENGL";
+    if (QCoreApplication::testAttribute(Qt::AA_UseOpenGLES)) {
+        const Renderer glesRenderer = QWindowsOpenGLTester::requestedGlesRenderer();
+        return glesRenderer != InvalidRenderer ? glesRenderer : Gles;
+    }
+    if (QCoreApplication::testAttribute(Qt::AA_UseDesktopOpenGL))
+        return QWindowsOpenGLTester::DesktopGl;
+    if (QCoreApplication::testAttribute(Qt::AA_UseSoftwareOpenGL))
+        return QWindowsOpenGLTester::SoftwareRasterizer;
+    if (qEnvironmentVariableIsSet(openGlVar)) {
+        const QByteArray requested = qgetenv(openGlVar);
+        if (requested == "angle") {
+            const Renderer glesRenderer = QWindowsOpenGLTester::requestedGlesRenderer();
+            return glesRenderer != InvalidRenderer ? glesRenderer : Gles;
+        }
+        if (requested == "desktop")
+            return QWindowsOpenGLTester::DesktopGl;
+        if (requested == "software")
+            return QWindowsOpenGLTester::SoftwareRasterizer;
+        qCWarning(lcQpaGl) << "Invalid value set for " << openGlVar << ": " << requested;
+    }
+#endif // !Q_OS_WINCE
+    return QWindowsOpenGLTester::InvalidRenderer;
+}
+
+static inline QWindowsOpenGLTester::Renderers
+    detectSupportedRenderers(const GpuDescription &gpu, bool glesOnly)
+{
+    Q_UNUSED(gpu)
+#ifndef Q_OS_WINCE
+    // Add checks for card types with known issues here.
+    QWindowsOpenGLTester::Renderers result(QWindowsOpenGLTester::AngleRendererD3d11
+        | QWindowsOpenGLTester::AngleRendererD3d9
+        | QWindowsOpenGLTester::AngleRendererD3d11Warp
+        | QWindowsOpenGLTester::SoftwareRasterizer);
+
+    if (!glesOnly && QWindowsOpenGLTester::testDesktopGL())
+        result |= QWindowsOpenGLTester::DesktopGl;
+    return result;
+#else // !Q_OS_WINCE
+    return QWindowsOpenGLTester::Gles;
+#endif
+}
+
+QWindowsOpenGLTester::Renderers QWindowsOpenGLTester::supportedGlesRenderers()
+{
+    const GpuDescription gpu = GpuDescription::detect();
+    const QWindowsOpenGLTester::Renderers result = detectSupportedRenderers(gpu, true);
+    qDebug(lcQpaGl) << __FUNCTION__ << gpu << "renderer: " << result;
+    return result;
+}
+
+QWindowsOpenGLTester::Renderers QWindowsOpenGLTester::supportedRenderers()
+{
+    const GpuDescription gpu = GpuDescription::detect();
+    const QWindowsOpenGLTester::Renderers result = detectSupportedRenderers(gpu, false);
+    qDebug(lcQpaGl) << __FUNCTION__ << gpu << "renderer: " << result;
+    return result;
+}
+
 bool QWindowsOpenGLTester::testDesktopGL()
 {
+#ifndef Q_OS_WINCE
     HMODULE lib = 0;
     HWND wnd = 0;
     HDC dc = 0;
@@ -109,6 +327,37 @@ bool QWindowsOpenGLTester::testDesktopGL()
             goto cleanup;
 
         // Now that there is finally a context current, try doing something useful.
+
+        // Check the version. If we got 1.x then it's all hopeless and we can stop right here.
+        typedef const GLubyte * (APIENTRY * GetString_t)(GLenum name);
+        GetString_t GetString = reinterpret_cast<GetString_t>(::GetProcAddress(lib, "glGetString"));
+        if (GetString) {
+            const char *versionStr = (const char *) GetString(GL_VERSION);
+            if (versionStr) {
+                const QByteArray version(versionStr);
+                const int majorDot = version.indexOf('.');
+                if (majorDot != -1) {
+                    int minorDot = version.indexOf('.', majorDot + 1);
+                    if (minorDot == -1)
+                        minorDot = version.size();
+                    const int major = version.mid(0, majorDot).toInt();
+                    const int minor = version.mid(majorDot + 1, minorDot - majorDot - 1).toInt();
+                    qCDebug(lcQpaGl, "Basic wglCreateContext gives version %d.%d", major, minor);
+                    // Try to be as lenient as possible. Missing version, bogus values and
+                    // such are all accepted. The driver may still be functional. Only
+                    // check for known-bad cases, like versions "1.4.0 ...".
+                    if (major == 1) {
+                        result = false;
+                        qCDebug(lcQpaGl, "OpenGL version too low");
+                    }
+                }
+            }
+        } else {
+            result = false;
+            qCDebug(lcQpaGl, "OpenGL 1.x entry points not found");
+        }
+
+        // Check for a shader-specific function.
         if (WGL_GetProcAddress("glCreateShader")) {
             result = true;
             qCDebug(lcQpaGl, "OpenGL 2.0 entry points available");
@@ -133,6 +382,9 @@ cleanup:
     // No FreeLibrary. Some implementations, Mesa in particular, deadlock when trying to unload.
 
     return result;
+#else // !Q_OS_WINCE
+    return false;
+#endif
 }
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/windows/qwindowsopengltester.h b/src/plugins/platforms/windows/qwindowsopengltester.h
index 40a8e9d3ac..6238eea4b0 100644
--- a/src/plugins/platforms/windows/qwindowsopengltester.h
+++ b/src/plugins/platforms/windows/qwindowsopengltester.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the plugins of the Qt Toolkit.
@@ -31,14 +31,91 @@
 **
 ****************************************************************************/
 
+#ifndef QWINDOWSOPENGLTESTER_H
+#define QWINDOWSOPENGLTESTER_H
+
 #include <qtwindowsglobal.h>
 
+#include <QtCore/QByteArray>
+#include <QtCore/QFlags>
+
 QT_BEGIN_NAMESPACE
 
+class QDebug;
+class QVariant;
+
+struct GpuDriverVersion // ### fixme: Use QVersionNumber in Qt 5.5?
+{
+    GpuDriverVersion(int p = 0, int v = 0, int sv =0, int b = 0) : product(p), version(v), subVersion(sv), build(b) {}
+    QString toString() const;
+    int compare(const GpuDriverVersion &rhs) const;
+
+    int product;
+    int version;
+    int subVersion;
+    int build;
+};
+
+inline bool operator==(const GpuDriverVersion &v1, const GpuDriverVersion &v2)
+    { return !v1.compare(v2); }
+inline bool operator!=(const GpuDriverVersion &v1, const GpuDriverVersion &v2)
+    { return v1.compare(v2); }
+inline bool operator< (const GpuDriverVersion &v1, const GpuDriverVersion &v2)
+    { return v1.compare(v2) < 0; }
+inline bool operator<=(const GpuDriverVersion &v1, const GpuDriverVersion &v2)
+    { return v1.compare(v2) <= 0; }
+inline bool operator> (const GpuDriverVersion &v1, const GpuDriverVersion &v2)
+    { return v1.compare(v2) > 0; }
+inline bool operator>=(const GpuDriverVersion &v1, const GpuDriverVersion &v2)
+    { return v1.compare(v2) >= 0; }
+
+QDebug operator<<(QDebug d, const GpuDriverVersion &gd);
+
+struct GpuDescription
+{
+    GpuDescription() :  vendorId(0), deviceId(0), revision(0), subSysId(0) {}
+
+    static GpuDescription detect();
+    QString toString() const;
+    QVariant toVariant() const;
+
+    int vendorId;
+    int deviceId;
+    int revision;
+    int subSysId;
+    GpuDriverVersion driverVersion;
+    QByteArray driverName;
+    QByteArray description;
+};
+
+QDebug operator<<(QDebug d, const GpuDescription &gd);
+
 class QWindowsOpenGLTester
 {
 public:
+    enum Renderer {
+        InvalidRenderer         = 0x0000,
+        DesktopGl               = 0x0001,
+        AngleRendererD3d11      = 0x0002,
+        AngleRendererD3d9       = 0x0004,
+        AngleRendererD3d11Warp  = 0x0008, // "Windows Advanced Rasterization Platform"
+        AngleBackendMask        = AngleRendererD3d11 | AngleRendererD3d9 | AngleRendererD3d11Warp,
+        Gles                    = 0x0010, // ANGLE/unspecified or Generic GLES for Windows CE.
+        GlesMask                = Gles | AngleBackendMask,
+        SoftwareRasterizer      = 0x0020
+    };
+    Q_DECLARE_FLAGS(Renderers, Renderer)
+
+    static Renderer requestedGlesRenderer();
+    static Renderer requestedRenderer();
+    static Renderers supportedGlesRenderers();
+    static Renderers supportedRenderers();
+
     static bool testDesktopGL();
 };
 
+Q_DECLARE_OPERATORS_FOR_FLAGS(QWindowsOpenGLTester::Renderers)
+
 QT_END_NAMESPACE
+
+#endif // QWINDOWSOPENGLTESTER_H
diff --git a/src/plugins/platforms/windows/qwindowsscreen.cpp b/src/plugins/platforms/windows/qwindowsscreen.cpp
index 79219e361a..2566f70436 100644
--- a/src/plugins/platforms/windows/qwindowsscreen.cpp
+++ b/src/plugins/platforms/windows/qwindowsscreen.cpp
@@ -504,4 +504,13 @@ void QWindowsScreenManager::clearScreens()
         QWindowsIntegration::instance()->emitDestroyScreen(m_screens.takeLast());
 }
 
+const QWindowsScreen *QWindowsScreenManager::screenAtDp(const QPoint &p) const
+{
+    foreach (QWindowsScreen *scr, m_screens) {
+        if (scr->geometryDp().contains(p))
+            return scr;
+    }
+    return Q_NULLPTR;
+}
+
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/windows/qwindowsscreen.h b/src/plugins/platforms/windows/qwindowsscreen.h
index 924912dbc2..ab0fecd970 100644
--- a/src/plugins/platforms/windows/qwindowsscreen.h
+++ b/src/plugins/platforms/windows/qwindowsscreen.h
@@ -133,6 +133,8 @@ public:
     bool handleDisplayChange(WPARAM wParam, LPARAM lParam);
     const WindowsScreenList &screens() const { return m_screens; }
 
+    const QWindowsScreen *screenAtDp(const QPoint &p) const;
+
 private:
     void removeScreen(int index);
 
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index 5dfc48df99..d9c5c97672 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -37,6 +37,7 @@
 #include "qwindowsdrag.h"
 #include "qwindowsscreen.h"
 #include "qwindowsscaling.h"
+#include "qwindowsintegration.h"
 #ifdef QT_NO_CURSOR
 #  include "qwindowscursor.h"
 #endif
@@ -169,6 +170,25 @@ QDebug operator<<(QDebug d, const NCCALCSIZE_PARAMS &p)
 }
 #endif // !Q_OS_WINCE
 
+// QTBUG-43872, for windows that do not have WS_EX_TOOLWINDOW set, WINDOWPLACEMENT
+// is in workspace/available area coordinates.
+static QPoint windowPlacementOffset(HWND hwnd, const QPoint &point)
+{
+#ifndef Q_OS_WINCE
+    if (GetWindowLongPtr(hwnd, GWL_EXSTYLE) & WS_EX_TOOLWINDOW)
+        return QPoint(0, 0);
+    const QWindowsScreenManager &screenManager = QWindowsContext::instance()->screenManager();
+    const QWindowsScreen *screen = screenManager.screens().size() == 1
+        ? screenManager.screens().first() : screenManager.screenAtDp(point);
+    if (screen)
+        return screen->availableGeometryDp().topLeft() - screen->geometryDp().topLeft();
+#else
+    Q_UNUSED(hwnd)
+    Q_UNUSED(point)
+#endif
+    return QPoint(0, 0);
+}
+
 // Return the frame geometry relative to the parent
 // if there is one.
 static inline QRect frameGeometry(HWND hwnd, bool topLevel)
@@ -179,8 +199,10 @@ static inline QRect frameGeometry(HWND hwnd, bool topLevel)
         WINDOWPLACEMENT windowPlacement;
         windowPlacement.length = sizeof(WINDOWPLACEMENT);
         GetWindowPlacement(hwnd, &windowPlacement);
-        if (windowPlacement.showCmd == SW_SHOWMINIMIZED)
-            return qrectFromRECT(windowPlacement.rcNormalPosition);
+        if (windowPlacement.showCmd == SW_SHOWMINIMIZED) {
+            const QRect result = qrectFromRECT(windowPlacement.rcNormalPosition);
+            return result.translated(windowPlacementOffset(hwnd, result.topLeft()));
+        }
     }
 #endif // !Q_OS_WINCE
     GetWindowRect(hwnd, &rect); // Screen coordinates.
@@ -205,6 +227,18 @@ static inline QSize clientSize(HWND hwnd)
     return qSizeOfRect(rect);
 }
 
+static inline bool windowIsOpenGL(const QWindow *w)
+{
+    switch (w->surfaceType()) {
+    case QSurface::OpenGLSurface:
+        return true;
+    case QSurface::RasterGLSurface:
+        return qt_window_private(const_cast<QWindow *>(w))->compositing;
+    default:
+        return false;
+    }
+}
+
 static bool applyBlurBehindWindow(HWND hwnd)
 {
 #ifdef Q_OS_WINCE
@@ -328,6 +362,17 @@ static void setWindowOpacity(HWND hwnd, Qt::WindowFlags flags, bool hasAlpha, bo
 #endif // !Q_OS_WINCE
 }
 
+static inline void updateGLWindowSettings(const QWindow *w, HWND hwnd, Qt::WindowFlags flags, qreal opacity)
+{
+    const bool isGL = windowIsOpenGL(w);
+    const bool hasAlpha = w->format().hasAlpha();
+
+    if (isGL && hasAlpha)
+        applyBlurBehindWindow(hwnd);
+
+    setWindowOpacity(hwnd, flags, hasAlpha, isGL, opacity);
+}
+
 /*!
     \class WindowCreationData
     \brief Window creation code.
@@ -369,14 +414,13 @@ struct WindowCreationData
     void fromWindow(const QWindow *w, const Qt::WindowFlags flags, unsigned creationFlags = 0);
     inline WindowData create(const QWindow *w, const WindowData &data, QString title) const;
     inline void applyWindowFlags(HWND hwnd) const;
-    void initialize(HWND h, bool frameChange, qreal opacityLevel) const;
+    void initialize(const QWindow *w, HWND h, bool frameChange, qreal opacityLevel) const;
 
     Qt::WindowFlags flags;
     HWND parentHandle;
     Qt::WindowType type;
     unsigned style;
     unsigned exStyle;
-    bool isGL;
     bool topLevel;
     bool popup;
     bool dialog;
@@ -389,7 +433,7 @@ struct WindowCreationData
 QDebug operator<<(QDebug debug, const WindowCreationData &d)
 {
     debug.nospace() << QWindowsWindow::debugWindowFlags(d.flags)
-        << " GL=" << d.isGL << " topLevel=" << d.topLevel << " popup="
+        << " topLevel=" << d.topLevel << " popup="
         << d.popup << " dialog=" << d.dialog << " desktop=" << d.desktop
         << " embedded=" << d.embedded
         << " tool=" << d.tool << " style=" << debugWinStyle(d.style)
@@ -420,8 +464,6 @@ static inline void fixTopLevelWindowFlags(Qt::WindowFlags &flags)
 void WindowCreationData::fromWindow(const QWindow *w, const Qt::WindowFlags flagsIn,
                                     unsigned creationFlags)
 {
-    isGL = w->surfaceType() == QWindow::OpenGLSurface;
-    hasAlpha = w->format().hasAlpha();
     flags = flagsIn;
 
     // Sometimes QWindow doesn't have a QWindow parent but does have a native parent window,
@@ -494,7 +536,7 @@ void WindowCreationData::fromWindow(const QWindow *w, const Qt::WindowFlags flag
         // ### Commented out for now as it causes some problems, but
         // this should be correct anyway, so dig some more into this
 #ifdef Q_FLATTEN_EXPOSE
-        if (isGL)
+        if (windowIsOpenGL(w)) // a bit incorrect since the is-opengl status may change from false to true at any time later on
             style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN; // see SetPixelFormat
 #else
         style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN ;
@@ -514,8 +556,12 @@ void WindowCreationData::fromWindow(const QWindow *w, const Qt::WindowFlags flag
                 if (flags & Qt::WindowSystemMenuHint)
                     style |= WS_SYSMENU;
                 else if (dialog) {
-                    style |= WS_SYSMENU | WS_BORDER; // QTBUG-2027, dialogs without system menu.
-                    exStyle |= WS_EX_DLGMODALFRAME;
+                    // QTBUG-2027, dialogs without system menu.
+                    style |= WS_SYSMENU;
+                    if (!(flags & Qt::FramelessWindowHint)) {
+                        style |= WS_BORDER;
+                        exStyle |= WS_EX_DLGMODALFRAME;
+                    }
                 }
                 if (flags & Qt::WindowMinimizeButtonHint)
                     style |= WS_MINIMIZEBOX;
@@ -569,7 +615,7 @@ QWindowsWindowData
 
     const HINSTANCE appinst = (HINSTANCE)GetModuleHandle(0);
 
-    const QString windowClassName = QWindowsContext::instance()->registerWindowClass(w, isGL);
+    const QString windowClassName = QWindowsContext::instance()->registerWindowClass(w);
 
     const QRect geometryDip = QWindowsScaling::mapFromNative(data.geometry);
     QRect fixedGeometryDip = QPlatformWindow::initialGeometry(w, geometryDip, defaultWindowWidth, defaultWindowHeight);
@@ -598,6 +644,10 @@ QWindowsWindowData
                                  context->frameX, context->frameY,
                                  context->frameWidth, context->frameHeight,
                                  parentHandle, NULL, appinst, NULL);
+#ifdef Q_OS_WINCE
+    if (DisableGestures(result.hwnd, TGF_GID_ALL, TGF_SCOPE_WINDOW))
+        EnableGestures(result.hwnd, TGF_GID_DIRECTMANIPULATION, TGF_SCOPE_WINDOW);
+#endif
     qCDebug(lcQpaWindows).nospace()
         << "CreateWindowEx: returns " << w << ' ' << result.hwnd << " obtained geometry: "
         << context->obtainedGeometry << context->margins;
@@ -612,9 +662,6 @@ QWindowsWindowData
     result.embedded = embedded;
     result.customMargins = context->customMargins;
 
-    if (isGL && hasAlpha)
-        applyBlurBehindWindow(result.hwnd);
-
     return result;
 }
 
@@ -637,7 +684,7 @@ void WindowCreationData::applyWindowFlags(HWND hwnd) const
         << debugWinExStyle(newExStyle);
 }
 
-void WindowCreationData::initialize(HWND hwnd, bool frameChange, qreal opacityLevel) const
+void WindowCreationData::initialize(const QWindow *w, HWND hwnd, bool frameChange, qreal opacityLevel) const
 {
     if (desktop || !hwnd)
         return;
@@ -662,8 +709,7 @@ void WindowCreationData::initialize(HWND hwnd, bool frameChange, qreal opacityLe
             else
                 EnableMenuItem(systemMenu, SC_CLOSE, MF_BYCOMMAND|MF_GRAYED);
         }
-
-        setWindowOpacity(hwnd, flags, hasAlpha, isGL, opacityLevel);
+        updateGLWindowSettings(w, hwnd, flags, opacityLevel);
     } else { // child.
         SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, swpFlags);
     }
@@ -945,7 +991,8 @@ void QWindowsWindow::destroyWindow()
         setDropSiteEnabled(false);
 #ifndef QT_NO_OPENGL
         if (m_surface) {
-            m_data.staticOpenGLContext->destroyWindowSurface(m_surface);
+            if (QWindowsStaticOpenGLContext *staticOpenGLContext = QWindowsIntegration::staticOpenGLContext())
+                staticOpenGLContext->destroyWindowSurface(m_surface);
             m_surface = 0;
         }
 #endif
@@ -1036,7 +1083,7 @@ QWindowsWindowData
     creationData.fromWindow(w, parameters.flags);
     QWindowsWindowData result = creationData.create(w, parameters, title);
     // Force WM_NCCALCSIZE (with wParam=1) via SWP_FRAMECHANGED for custom margin.
-    creationData.initialize(result.hwnd, !parameters.customMargins.isNull(), 1);
+    creationData.initialize(w, result.hwnd, !parameters.customMargins.isNull(), 1);
     return result;
 }
 
@@ -1272,8 +1319,10 @@ static QRect normalFrameGeometry(HWND hwnd)
 #ifndef Q_OS_WINCE
     WINDOWPLACEMENT wp;
     wp.length = sizeof(WINDOWPLACEMENT);
-    if (GetWindowPlacement(hwnd, &wp))
-        return qrectFromRECT(wp.rcNormalPosition);
+    if (GetWindowPlacement(hwnd, &wp)) {
+        const QRect result = qrectFromRECT(wp.rcNormalPosition);
+        return result.translated(windowPlacementOffset(hwnd, result.topLeft()));
+    }
 #else
     Q_UNUSED(hwnd)
 #endif
@@ -1298,7 +1347,8 @@ void QWindowsWindow::setGeometryDp(const QRect &rectIn)
         const QMargins margins = frameMarginsDp();
         rect.moveTopLeft(rect.topLeft() + QPoint(margins.left(), margins.top()));
     }
-    m_data.geometry = rect;
+    if (m_windowState == Qt::WindowMinimized)
+        m_data.geometry = rect; // Otherwise set by handleGeometryChange() triggered by event.
     if (m_data.hwnd) {
         // A ResizeEvent with resulting geometry will be sent. If we cannot
         // achieve that size (for example, window title minimal constraint),
@@ -1369,11 +1419,11 @@ void QWindowsWindow::handleGeometryChange()
     // QTBUG-32121: OpenGL/normal windows (with exception of ANGLE) do not receive
     // expose events when shrinking, synthesize.
     if (!testFlag(OpenGL_ES2) && isExposed()
-        && !(m_data.geometry.width() > previousGeometry.width() || m_data.geometry.height() > previousGeometry.height())) {
+        && !(m_data.geometry.width() >= previousGeometry.width() || m_data.geometry.height() >= previousGeometry.height())) {
         fireExpose(QRect(QPoint(0, 0), m_data.geometry.size()), true);
     }
     if (previousGeometry.topLeft() != m_data.geometry.topLeft()) {
-        QPlatformScreen *newScreen = screenForGeometry(m_data.geometry);
+        QPlatformScreen *newScreen = screenForGeometry(geometryDip);
         if (newScreen != screen())
             QWindowSystemInterface::handleWindowScreenChanged(window(), newScreen->screen());
     }
@@ -1402,7 +1452,8 @@ void QWindowsWindow::setGeometry_sys(const QRect &rect) const
     // window, set the normal position of the window.
     if ((windowPlacement.showCmd == SW_MAXIMIZE && !IsWindowVisible(m_data.hwnd))
         || windowPlacement.showCmd == SW_SHOWMINIMIZED) {
-        windowPlacement.rcNormalPosition = RECTfromQRect(frameGeometry);
+        windowPlacement.rcNormalPosition =
+            RECTfromQRect(frameGeometry.translated(-windowPlacementOffset(m_data.hwnd, frameGeometry.topLeft())));
         windowPlacement.showCmd = windowPlacement.showCmd == SW_SHOWMINIMIZED ? SW_SHOWMINIMIZED : SW_HIDE;
         result = SetWindowPlacement(m_data.hwnd, &windowPlacement);
     } else
@@ -1523,7 +1574,7 @@ QWindowsWindowData QWindowsWindow::setWindowFlags_sys(Qt::WindowFlags wt,
     WindowCreationData creationData;
     creationData.fromWindow(window(), wt, flags);
     creationData.applyWindowFlags(m_data.hwnd);
-    creationData.initialize(m_data.hwnd, true, m_opacity);
+    creationData.initialize(window(), m_data.hwnd, true, m_opacity);
 
     QWindowsWindowData result = m_data;
     result.flags = creationData.flags;
@@ -2287,8 +2338,10 @@ void *QWindowsWindow::surface(void *nativeConfig)
 #ifdef QT_NO_OPENGL
     return 0;
 #else
-    if (!m_surface)
-        m_surface = m_data.staticOpenGLContext->createWindowSurface(m_data.hwnd, nativeConfig);
+    if (!m_surface) {
+        if (QWindowsStaticOpenGLContext *staticOpenGLContext = QWindowsIntegration::staticOpenGLContext())
+            m_surface = staticOpenGLContext->createWindowSurface(m_data.hwnd, nativeConfig);
+    }
 
     return m_surface;
 #endif
@@ -2297,7 +2350,8 @@ void *QWindowsWindow::surface(void *nativeConfig)
 void QWindowsWindow::invalidateSurface()
 {
     if (m_surface) {
-        m_data.staticOpenGLContext->destroyWindowSurface(m_surface);
+        if (QWindowsStaticOpenGLContext *staticOpenGLContext = QWindowsIntegration::staticOpenGLContext())
+            staticOpenGLContext->destroyWindowSurface(m_surface);
         m_surface = 0;
     }
 }
@@ -2322,4 +2376,22 @@ void QWindowsWindow::registerTouchWindow(QWindowsWindowFunctions::TouchWindowTou
 #endif // !Q_OS_WINCE
 }
 
+void QWindowsWindow::aboutToMakeCurrent()
+{
+#ifndef QT_NO_OPENGL
+    // For RasterGLSurface windows, that become OpenGL windows dynamically, it might be
+    // time to set up some GL specifics.  This is particularly important for layered
+    // windows (WS_EX_LAYERED due to alpha > 0).
+    const bool isCompositing = qt_window_private(window())->compositing;
+    if (isCompositing != testFlag(Compositing)) {
+        if (isCompositing)
+            setFlag(Compositing);
+        else
+            clearFlag(Compositing);
+
+        updateGLWindowSettings(window(), m_data.hwnd, m_data.flags, m_opacity);
+    }
+#endif
+}
+
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/windows/qwindowswindow.h b/src/plugins/platforms/windows/qwindowswindow.h
index 3e2f488f46..674f0ab00d 100644
--- a/src/plugins/platforms/windows/qwindowswindow.h
+++ b/src/plugins/platforms/windows/qwindowswindow.h
@@ -108,9 +108,6 @@ struct QWindowsWindowData
     QMargins customMargins; // User-defined, additional frame for NCCALCSIZE
     HWND hwnd;
     bool embedded;
-#ifndef QT_NO_OPENGL
-    QSharedPointer<QWindowsStaticOpenGLContext> staticOpenGLContext;
-#endif // QT_NO_OPENGL
 
     static QWindowsWindowData create(const QWindow *w,
                                      const QWindowsWindowData &parameters,
@@ -141,7 +138,8 @@ public:
         WithinCreate = 0x20000,
         WithinMaximize = 0x40000,
         MaximizeToFullScreen = 0x80000,
-        InputMethodDisabled =0x100000
+        InputMethodDisabled = 0x100000,
+        Compositing = 0x200000
     };
 
     QWindowsWindow(QWindow *window, const QWindowsWindowData &data);
@@ -255,6 +253,7 @@ public:
 
     void *surface(void *nativeConfig);
     void invalidateSurface() Q_DECL_OVERRIDE;
+    void aboutToMakeCurrent();
 
 #ifndef Q_OS_WINCE
     void setAlertState(bool enabled);
diff --git a/src/plugins/platforms/windows/windows.pri b/src/plugins/platforms/windows/windows.pri
index 8e5f35d293..246598677f 100644
--- a/src/plugins/platforms/windows/windows.pri
+++ b/src/plugins/platforms/windows/windows.pri
@@ -40,7 +40,8 @@ SOURCES += \
     $$PWD/qwindowsservices.cpp \
     $$PWD/qwindowsnativeimage.cpp \
     $$PWD/qwindowsnativeinterface.cpp \
-    $$PWD/qwindowsscaling.cpp
+    $$PWD/qwindowsscaling.cpp \
+    $$PWD/qwindowsopengltester.cpp
 
 HEADERS += \
     $$PWD/qwindowswindow.h \
@@ -66,9 +67,8 @@ HEADERS += \
     $$PWD/qplatformfunctions_wince.h \
     $$PWD/qwindowsnativeimage.h \
     $$PWD/qwindowsnativeinterface.h \
-    $$PWD/qwindowsscaling.h
-
-!wince: HEADERS += $$PWD/qwindowsopengltester.h
+    $$PWD/qwindowsscaling.h \
+    $$PWD/qwindowsopengltester.h
 
 INCLUDEPATH += $$PWD
 
@@ -84,8 +84,7 @@ contains(QT_CONFIG, opengles2) {
 
 # Dynamic GL needs both WGL and EGL
 contains(QT_CONFIG,dynamicgl) {
-    SOURCES += $$PWD/qwindowseglcontext.cpp \
-               $$PWD/qwindowsopengltester.cpp
+    SOURCES += $$PWD/qwindowseglcontext.cpp
     HEADERS += $$PWD/qwindowseglcontext.h
 }
 
diff --git a/src/plugins/platforms/xcb/qxcbdrag.cpp b/src/plugins/platforms/xcb/qxcbdrag.cpp
index 5de5b6bb55..9944f54780 100644
--- a/src/plugins/platforms/xcb/qxcbdrag.cpp
+++ b/src/plugins/platforms/xcb/qxcbdrag.cpp
@@ -999,6 +999,8 @@ void QXcbDrag::handleFinished(const xcb_client_message_event_t *event)
         if (at != -1) {
 
             Transaction t = transactions.takeAt(at);
+            if (t.drag)
+                t.drag->deleteLater();
 //            QDragManager *manager = QDragManager::self();
 
 //            Window target = current_target;
@@ -1186,6 +1188,11 @@ bool QXcbDrag::dndEnable(QXcbWindow *w, bool on)
     }
 }
 
+bool QXcbDrag::ownsDragObject() const
+{
+    return true;
+}
+
 QXcbDropData::QXcbDropData(QXcbDrag *d)
     : QXcbMime(),
       drag(d)
diff --git a/src/plugins/platforms/xcb/qxcbdrag.h b/src/plugins/platforms/xcb/qxcbdrag.h
index 1bca9a036f..b5188fd41c 100644
--- a/src/plugins/platforms/xcb/qxcbdrag.h
+++ b/src/plugins/platforms/xcb/qxcbdrag.h
@@ -70,7 +70,6 @@ public:
 
     virtual QMimeData *platformDropData() Q_DECL_OVERRIDE;
 
-
     void startDrag() Q_DECL_OVERRIDE;
     void cancel() Q_DECL_OVERRIDE;
     void move(const QMouseEvent *me) Q_DECL_OVERRIDE;
@@ -87,6 +86,7 @@ public:
     void handleFinished(const xcb_client_message_event_t *event);
 
     bool dndEnable(QXcbWindow *win, bool on);
+    bool ownsDragObject() const Q_DECL_OVERRIDE;
 
     void updatePixmap();
     xcb_timestamp_t targetTime() { return target_time; }
diff --git a/src/plugins/platforms/xcb/qxcbkeyboard.cpp b/src/plugins/platforms/xcb/qxcbkeyboard.cpp
index 5fb745717b..85fef3912c 100644
--- a/src/plugins/platforms/xcb/qxcbkeyboard.cpp
+++ b/src/plugins/platforms/xcb/qxcbkeyboard.cpp
@@ -933,7 +933,7 @@ xkb_keysym_t QXcbKeyboard::lookupLatinKeysym(xkb_keycode_t keycode) const
 QList<int> QXcbKeyboard::possibleKeys(const QKeyEvent *event) const
 {
     // turn off the modifier bits which doesn't participate in shortcuts
-    Qt::KeyboardModifiers notNeeded = Qt::MetaModifier | Qt::KeypadModifier | Qt::GroupSwitchModifier;
+    Qt::KeyboardModifiers notNeeded = Qt::KeypadModifier | Qt::GroupSwitchModifier;
     Qt::KeyboardModifiers modifiers = event->modifiers() &= ~notNeeded;
     // create a fresh kb state and test against the relevant modifier combinations
     struct xkb_state *kb_state = xkb_state_new(xkb_keymap);
@@ -963,10 +963,12 @@ QList<int> QXcbKeyboard::possibleKeys(const QKeyEvent *event) const
     xkb_mod_index_t shiftMod = xkb_keymap_mod_get_index(xkb_keymap, "Shift");
     xkb_mod_index_t altMod = xkb_keymap_mod_get_index(xkb_keymap, "Alt");
     xkb_mod_index_t controlMod = xkb_keymap_mod_get_index(xkb_keymap, "Control");
+    xkb_mod_index_t metaMod = xkb_keymap_mod_get_index(xkb_keymap, "Meta");
 
     Q_ASSERT(shiftMod < 32);
     Q_ASSERT(altMod < 32);
     Q_ASSERT(controlMod < 32);
+    Q_ASSERT(metaMod < 32);
 
     xkb_mod_mask_t depressed;
     int qtKey = 0;
@@ -987,6 +989,8 @@ QList<int> QXcbKeyboard::possibleKeys(const QKeyEvent *event) const
                     depressed |= (1 << shiftMod);
                 if (neededMods & Qt::ControlModifier)
                     depressed |= (1 << controlMod);
+                if (neededMods & Qt::MetaModifier)
+                    depressed |= (1 << metaMod);
                 xkb_state_update_mask(kb_state, depressed, latchedMods, lockedMods, 0, 0, lockedLayout);
                 sym = xkb_state_key_get_one_sym(kb_state, keycode);
             }
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 0e28cf2698..a945b4cc18 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -730,6 +730,9 @@ void QXcbWindow::show()
     if (connection()->time() != XCB_TIME_CURRENT_TIME)
         updateNetWmUserTime(connection()->time());
 
+    if (window()->objectName() == QLatin1String("QSystemTrayIconSysWindow"))
+        return; // defer showing until XEMBED_EMBEDDED_NOTIFY
+
     Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
 
     if (QGuiApplication::modalWindow() == window())
@@ -2300,7 +2303,10 @@ void QXcbWindow::handleXEmbedMessage(const xcb_client_message_event_t *event)
     switch (event->data.data32[1]) {
     case XEMBED_WINDOW_ACTIVATE:
     case XEMBED_WINDOW_DEACTIVATE:
+        break;
     case XEMBED_EMBEDDED_NOTIFY:
+        Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
+        xcbScreen()->windowShown(this);
         break;
     case XEMBED_FOCUS_IN:
         Qt::FocusReason reason;
author	Frederik Gladhorn <frederik.gladhorn@theqtcompany.com>	2015-02-10 09:32:16 +0100
committer	Frederik Gladhorn <frederik.gladhorn@theqtcompany.com>	2015-02-10 09:42:25 +0100
commit	fc35f714340d5361231506dfbead132122f59460 (patch)
tree	fd80498d9417c87b386a011f5849f1e4e48ad3fa /src/plugins/platforms
parent	6389160f04322449c34bd1ecfe53983e3b588943 (diff)
parent	0d990b9ca117514fe83f53b39f25d6272304f2fb (diff)