Merge branch '4.7' of git@scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7

35 files changed, 207 insertions, 163 deletions

diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index 0fe5cbe..bf9f530 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -484,42 +484,6 @@ bool QEglContext::swapBuffers(EGLSurface surface)
     return ok;
 }
 
-// Wait for native rendering operations to complete before starting
-// to use OpenGL/OpenVG operations.
-void QEglContext::waitNative()
-{
-#ifdef EGL_CORE_NATIVE_ENGINE
-    eglWaitNative(EGL_CORE_NATIVE_ENGINE);
-#endif
-}
-
-// Wait for client OpenGL/OpenVG operations to complete before
-// using native rendering operations.
-void QEglContext::waitClient()
-{
-#ifdef EGL_OPENGL_ES_API
-    if (apiType == QEgl::OpenGL) {
-        eglBindAPI(EGL_OPENGL_ES_API);
-        eglWaitClient();
-    }
-#else
-    if (apiType == QEgl::OpenGL)
-        eglWaitGL();
-#endif
-#ifdef EGL_OPENVG_API
-    if (apiType == QEgl::OpenVG) {
-        eglBindAPI(EGL_OPENVG_API);
-        eglWaitClient();
-    }
-#endif
-}
-
-// Query the value of a configuration attribute.
-bool QEglContext::configAttrib(int name, EGLint *value) const
-{
-    return eglGetConfigAttrib(QEgl::display(), cfg, name, value);
-}
-
 int QEglContext::configAttrib(int name) const
 {
     EGLint value;
@@ -530,12 +494,6 @@ int QEglContext::configAttrib(int name) const
         return EGL_DONT_CARE;
 }
 
-QEglProperties QEglContext::configProperties() const
-{
-    return QEglProperties(config());
-}
-
-
 typedef EGLImageKHR (EGLAPIENTRY *_eglCreateImageKHR)(EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, const EGLint*);
 typedef EGLBoolean (EGLAPIENTRY *_eglDestroyImageKHR)(EGLDisplay, EGLImageKHR);
 
@@ -673,22 +631,6 @@ QString QEgl::errorString(EGLint code)
     }
 }
 
-QString QEgl::errorString()
-{
-    return errorString(error());
-}
-
-void QEgl::clearError()
-{
-    eglGetError();
-}
-
-EGLint QEgl::error()
-{
-    return eglGetError();
-}
-
-
 // Dump all of the EGL configurations supported by the system.
 void QEgl::dumpAllConfigs()
 {
diff --git a/src/gui/egl/qegl_p.h b/src/gui/egl/qegl_p.h
index 6345d5d..83bdb5e 100644
--- a/src/gui/egl/qegl_p.h
+++ b/src/gui/egl/qegl_p.h
@@ -182,10 +182,7 @@ namespace QEgl {
 
     Q_GUI_EXPORT void dumpAllConfigs();
 
-    Q_GUI_EXPORT void clearError();
-    Q_GUI_EXPORT EGLint error();
-    Q_GUI_EXPORT QString errorString(EGLint code);
-    Q_GUI_EXPORT QString errorString();
+    Q_GUI_EXPORT QString errorString(EGLint code = eglGetError());
 
     Q_GUI_EXPORT QString extensions();
     Q_GUI_EXPORT bool hasExtension(const char* extensionName);
diff --git a/src/gui/egl/qeglcontext_p.h b/src/gui/egl/qeglcontext_p.h
index 7eec7eb..ccde00d 100644
--- a/src/gui/egl/qeglcontext_p.h
+++ b/src/gui/egl/qeglcontext_p.h
@@ -85,10 +85,6 @@ public:
     bool lazyDoneCurrent();
     bool swapBuffers(EGLSurface surface);
 
-    void waitNative();
-    void waitClient();
-
-    bool configAttrib(int name, EGLint *value) const;
     int  configAttrib(int name) const;
 
     EGLContext context() const { return ctx; }
@@ -99,8 +95,6 @@ public:
     EGLConfig config() const { return cfg; }
     void setConfig(EGLConfig config) { cfg = config; }
 
-    QEglProperties configProperties() const;
-
 private:
     QEgl::API apiType;
     EGLContext ctx;
diff --git a/src/gui/egl/qeglproperties.cpp b/src/gui/egl/qeglproperties.cpp
index b34d2c3..3638de5 100644
--- a/src/gui/egl/qeglproperties.cpp
+++ b/src/gui/egl/qeglproperties.cpp
@@ -241,6 +241,9 @@ void QEglProperties::setRenderableType(QEgl::API api)
 // reductions in complexity are possible.
 bool QEglProperties::reduceConfiguration()
 {
+    if (value(EGL_SWAP_BEHAVIOR) != EGL_DONT_CARE)
+        removeValue(EGL_SWAP_BEHAVIOR);
+
 #ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT
     // For OpenVG, we sometimes try to create a surface using a pre-multiplied format. If we can't
     // find a config which supports pre-multiplied formats, remove the flag on the surface type:
@@ -292,20 +295,6 @@ static void addTag(QString& str, const QString& tag)
     str += tag;
 }
 
-void QEglProperties::dumpAllConfigs()
-{
-    EGLint count = 0;
-    eglGetConfigs(QEgl::display(), 0, 0, &count);
-    if (count < 1)
-        return;
-
-    EGLConfig *configs = new EGLConfig [count];
-    eglGetConfigs(QEgl::display(), configs, count, &count);
-    for (EGLint index = 0; index < count; ++index)
-        qWarning() << QEglProperties(configs[index]).toString();
-    delete [] configs;
-}
-
 // Convert a property list to a string suitable for debug output.
 QString QEglProperties::toString() const
 {
diff --git a/src/gui/egl/qeglproperties_p.h b/src/gui/egl/qeglproperties_p.h
index eebcf72..b1f9642 100644
--- a/src/gui/egl/qeglproperties_p.h
+++ b/src/gui/egl/qeglproperties_p.h
@@ -90,8 +90,6 @@ public:
 
     QString toString() const;
 
-    static void dumpAllConfigs();
-
 private:
     QVarLengthArray<int> props;
 };
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 1d8eb4c..fb2837e 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -79,6 +79,7 @@ extern void qt_wince_hide_taskbar(HWND hwnd); //defined in qguifunctions_wince.c
 #include "qlayout.h"
 #include "qtooltip.h"
 #include "qt_windows.h"
+#include "qscrollbar.h"
 #if defined(QT_NON_COMMERCIAL)
 #include "qnc_win.h"
 #endif
@@ -701,6 +702,21 @@ void QApplicationPrivate::initializeWidgetPaletteHash()
     QApplication::setPalette(menu, "QMenuBar");
 }
 
+static void qt_set_windows_updateScrollBar(QWidget *widget)
+{
+    QList<QObject*> children = widget->children();
+    for (int i = 0; i < children.size(); ++i) {
+        QObject *o = children.at(i);
+        if(!o->isWidgetType())
+            continue;
+        if (QWidget *w = static_cast<QWidget *>(o))
+            qt_set_windows_updateScrollBar(w);
+    }
+    if (qobject_cast<QScrollBar*>(widget))
+        widget->updateGeometry();
+}
+
+
 /*****************************************************************************
   qt_init() - initializes Qt for Windows
  *****************************************************************************/
@@ -1930,6 +1946,15 @@ extern "C" LRESULT QT_WIN_CALLBACK QtWndProc(HWND hwnd, UINT message, WPARAM wPa
                     }
                 }
             }
+            else if (msg.wParam == SPI_SETNONCLIENTMETRICS) {
+                widget = (QETWidget*)QWidget::find(hwnd);
+                if (widget && !widget->parentWidget()) {
+                    qt_set_windows_updateScrollBar(widget);
+                    QEvent e(QEvent::LayoutRequest);
+                    QApplication::sendEvent(widget, &e);
+                }
+        }
+
             break;
 
         case WM_PAINT:                                // paint event
diff --git a/src/gui/painting/qbackingstore.cpp b/src/gui/painting/qbackingstore.cpp
index 8de9eaa..f9cd59b 100644
--- a/src/gui/painting/qbackingstore.cpp
+++ b/src/gui/painting/qbackingstore.cpp
@@ -263,7 +263,7 @@ bool QWidgetBackingStore::bltRect(const QRect &rect, int dx, int dy, QWidget *wi
 {
     const QPoint pos(tlwOffset + widget->mapTo(tlw, rect.topLeft()));
     const QRect tlwRect(QRect(pos, rect.size()));
-    if (dirty.intersects(tlwRect))
+    if (fullUpdatePending || dirty.intersects(tlwRect))
         return false; // We don't want to scroll junk.
     return windowSurface->scroll(tlwRect, dx, dy);
 }
@@ -402,7 +402,7 @@ QRegion QWidgetBackingStore::dirtyRegion(QWidget *widget) const
     const bool widgetDirty = widget && widget != tlw;
     const QRect tlwRect(topLevelRect());
     const QRect surfaceGeometry(windowSurface->geometry());
-    if (surfaceGeometry != tlwRect && surfaceGeometry.size() != tlwRect.size()) {
+    if (fullUpdatePending || (surfaceGeometry != tlwRect && surfaceGeometry.size() != tlwRect.size())) {
         if (widgetDirty) {
             const QRect dirtyTlwRect = QRect(QPoint(), tlwRect.size());
             const QPoint offset(widget->mapTo(tlw, QPoint()));
@@ -555,6 +555,18 @@ void QWidgetBackingStore::markDirty(const QRegion &rgn, QWidget *widget, bool up
         return;
     }
 
+    if (fullUpdatePending) {
+        if (updateImmediately)
+            sendUpdateRequest(tlw, updateImmediately);
+        return;
+    }
+
+    if (!windowSurface->hasPartialUpdateSupport()) {
+        fullUpdatePending = true;
+        sendUpdateRequest(tlw, updateImmediately);
+        return;
+    }
+
     const QPoint offset = widget->mapTo(tlw, QPoint());
     const QRect widgetRect = widget->d_func()->effectiveRectFor(widget->rect());
     if (qt_region_strictContains(dirty, widgetRect.translated(offset))) {
@@ -638,6 +650,18 @@ void QWidgetBackingStore::markDirty(const QRect &rect, QWidget *widget, bool upd
         return;
     }
 
+    if (fullUpdatePending) {
+        if (updateImmediately)
+            sendUpdateRequest(tlw, updateImmediately);
+        return;
+    }
+
+    if (!windowSurface->hasPartialUpdateSupport()) {
+        fullUpdatePending = true;
+        sendUpdateRequest(tlw, updateImmediately);
+        return;
+    }
+
     const QRect widgetRect = widget->d_func()->effectiveRectFor(rect);
     const QRect translatedRect(widgetRect.translated(widget->mapTo(tlw, QPoint())));
     if (qt_region_strictContains(dirty, translatedRect)) {
@@ -833,6 +857,7 @@ void QWidgetBackingStore::updateLists(QWidget *cur)
 
 QWidgetBackingStore::QWidgetBackingStore(QWidget *topLevel)
     : tlw(topLevel), dirtyOnScreenWidgets(0), hasDirtyFromPreviousSync(false)
+    , fullUpdatePending(0)
 {
     windowSurface = tlw->windowSurface();
     if (!windowSurface)
@@ -1122,6 +1147,7 @@ void QWidgetBackingStore::sync()
             for (int i = 0; i < dirtyWidgets.size(); ++i)
                 resetWidget(dirtyWidgets.at(i));
             dirtyWidgets.clear();
+            fullUpdatePending = false;
         }
         return;
     }
@@ -1132,28 +1158,28 @@ void QWidgetBackingStore::sync()
     const QRect surfaceGeometry(windowSurface->geometry());
     bool repaintAllWidgets = false;
 
-    if (inTopLevelResize || surfaceGeometry != tlwRect) {
-        if ((inTopLevelResize || surfaceGeometry.size() != tlwRect.size()) && !updatesDisabled) {
-            if (hasStaticContents()) {
-                // Repaint existing dirty area and newly visible area.
-                const QRect clipRect(0, 0, surfaceGeometry.width(), surfaceGeometry.height());
-                const QRegion staticRegion(staticContents(0, clipRect));
-                QRegion newVisible(0, 0, tlwRect.width(), tlwRect.height());
-                newVisible -= staticRegion;
-                dirty += newVisible;
-                windowSurface->setStaticContents(staticRegion);
-            } else {
-                // Repaint everything.
-                dirty = QRegion(0, 0, tlwRect.width(), tlwRect.height());
-                for (int i = 0; i < dirtyWidgets.size(); ++i)
-                    resetWidget(dirtyWidgets.at(i));
-                dirtyWidgets.clear();
-                repaintAllWidgets = true;
-            }
+    if ((fullUpdatePending || inTopLevelResize || surfaceGeometry.size() != tlwRect.size()) && !updatesDisabled) {
+        if (hasStaticContents()) {
+            // Repaint existing dirty area and newly visible area.
+            const QRect clipRect(0, 0, surfaceGeometry.width(), surfaceGeometry.height());
+            const QRegion staticRegion(staticContents(0, clipRect));
+            QRegion newVisible(0, 0, tlwRect.width(), tlwRect.height());
+            newVisible -= staticRegion;
+            dirty += newVisible;
+            windowSurface->setStaticContents(staticRegion);
+        } else {
+            // Repaint everything.
+            dirty = QRegion(0, 0, tlwRect.width(), tlwRect.height());
+            for (int i = 0; i < dirtyWidgets.size(); ++i)
+                resetWidget(dirtyWidgets.at(i));
+            dirtyWidgets.clear();
+            repaintAllWidgets = true;
         }
-        windowSurface->setGeometry(tlwRect);
     }
 
+    if (inTopLevelResize || surfaceGeometry != tlwRect)
+        windowSurface->setGeometry(tlwRect);
+
     if (updatesDisabled)
         return;
 
@@ -1212,6 +1238,8 @@ void QWidgetBackingStore::sync()
     }
     dirtyWidgets.clear();
 
+    fullUpdatePending = false;
+
     if (toClean.isEmpty()) {
         // Nothing to repaint. However, we might have newly exposed areas on the
         // screen if this function was called from sync(QWidget *, QRegion)), so
diff --git a/src/gui/painting/qbackingstore_p.h b/src/gui/painting/qbackingstore_p.h
index 02c0f7c..6510b57 100644
--- a/src/gui/painting/qbackingstore_p.h
+++ b/src/gui/painting/qbackingstore_p.h
@@ -91,6 +91,7 @@ public:
     inline bool isDirty() const
     {
         return !(dirtyWidgets.isEmpty() && dirty.isEmpty() && !hasDirtyFromPreviousSync
+                 && !fullUpdatePending
 #if defined(Q_WS_QWS) && !defined(QT_NO_QWS_MANAGER)
                  && !hasDirtyWindowDecoration()
 #endif
@@ -115,7 +116,8 @@ private:
 #ifdef Q_BACKINGSTORE_SUBSURFACES
     QList<QWindowSurface*> subSurfaces;
 #endif
-    bool hasDirtyFromPreviousSync;
+    uint hasDirtyFromPreviousSync : 1;
+    uint fullUpdatePending : 1;
 
     QPoint tlwOffset;
 
diff --git a/src/gui/painting/qwindowsurface.cpp b/src/gui/painting/qwindowsurface.cpp
index 8bd6344..e18ea3f 100644
--- a/src/gui/painting/qwindowsurface.cpp
+++ b/src/gui/painting/qwindowsurface.cpp
@@ -49,13 +49,19 @@ QT_BEGIN_NAMESPACE
 class QWindowSurfacePrivate
 {
 public:
-    QWindowSurfacePrivate(QWidget *w) : window(w), staticContentsSupport(false) {}
+    QWindowSurfacePrivate(QWidget *w)
+        : window(w)
+        , staticContentsSupport(0)
+        , partialUpdateSupport(1)
+    {
+    }
 
     QWidget *window;
     QRect geometry;
     QRegion staticContents;
     QList<QImage*> bufferImages;
-    bool staticContentsSupport;
+    uint staticContentsSupport : 1;
+    uint partialUpdateSupport : 1;
 };
 
 /*!
@@ -284,6 +290,10 @@ bool QWindowSurface::hasStaticContentsSupport() const
 
 void QWindowSurface::setStaticContentsSupport(bool enable)
 {
+    if (enable && !d_ptr->partialUpdateSupport) {
+        qWarning("QWindowSurface::setStaticContentsSupport: static contents support requires partial update support");
+        return;
+    }
     d_ptr->staticContentsSupport = enable;
 }
 
@@ -302,6 +312,20 @@ bool QWindowSurface::hasStaticContents() const
     return d_ptr->staticContentsSupport && !d_ptr->staticContents.isEmpty();
 }
 
+bool QWindowSurface::hasPartialUpdateSupport() const
+{
+    return d_ptr->partialUpdateSupport;
+}
+
+void QWindowSurface::setPartialUpdateSupport(bool enable)
+{
+    if (!enable && d_ptr->staticContentsSupport) {
+        qWarning("QWindowSurface::setPartialUpdateSupport: static contents support requires partial update support");
+        return;
+    }
+    d_ptr->partialUpdateSupport = enable;
+}
+
 void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset)
 {
     // make sure we don't detach
diff --git a/src/gui/painting/qwindowsurface_p.h b/src/gui/painting/qwindowsurface_p.h
index 0a453af..e6ee5f6 100644
--- a/src/gui/painting/qwindowsurface_p.h
+++ b/src/gui/painting/qwindowsurface_p.h
@@ -90,6 +90,7 @@ public:
     inline QRect rect(const QWidget *widget) const;
 
     bool hasStaticContentsSupport() const;
+    bool hasPartialUpdateSupport() const;
 
     void setStaticContents(const QRegion &region);
     QRegion staticContents() const;
@@ -97,6 +98,7 @@ public:
 protected:
     bool hasStaticContents() const;
     void setStaticContentsSupport(bool enable);
+    void setPartialUpdateSupport(bool enable);
 
 private:
     QWindowSurfacePrivate *d_ptr;
diff --git a/src/gui/styles/qmacstyle_mac.mm b/src/gui/styles/qmacstyle_mac.mm
index 074dd89..f5b0b0c 100644
--- a/src/gui/styles/qmacstyle_mac.mm
+++ b/src/gui/styles/qmacstyle_mac.mm
@@ -2143,7 +2143,7 @@ int QMacStyle::pixelMetric(PixelMetric metric, const QStyleOption *opt, const QW
         if (qstyleoption_cast<const QStyleOptionComboBox *>(opt) != 0)
             ret = 0;
         else
-            ret = QWindowsStyle::pixelMetric(metric, opt, widget);
+            ret = 1;
         break;
     case PM_MaximumDragDistance:
         ret = -1;
@@ -3099,14 +3099,16 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         HIRect hirect = qt_hirectForQRect(opt->rect);
         HIThemeDrawButton(&hirect, &bi, cg, kHIThemeOrientationNormal, 0);
         break; }
+
     case PE_Frame: {
         QPen oldPen = p->pen();
-        QPen newPen;
-        newPen.setBrush(opt->palette.dark());
-        p->setPen(newPen);
+        p->setPen(opt->palette.base().color().darker(140));
         p->drawRect(opt->rect.adjusted(0, 0, -1, -1));
+        p->setPen(opt->palette.base().color().darker(180));
+        p->drawLine(opt->rect.topLeft(), opt->rect.topRight());
         p->setPen(oldPen);
         break; }
+
     case PE_FrameLineEdit:
         if (const QStyleOptionFrame *frame = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
             if (frame->state & State_Sunken) {
@@ -3279,10 +3281,14 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
             if (header->orientation == Qt::Horizontal){
                 switch (header->position) {
                 case QStyleOptionHeader::Beginning:
+                    ir.adjust(-1, -1, 0, 0);
                     break;
                 case QStyleOptionHeader::Middle:
+                    ir.adjust(-1, -1, 0, 0);
+                    break;
+                case QStyleOptionHeader::OnlyOneSection:
                 case QStyleOptionHeader::End:
-                    ir.adjust(-1, 0, 0, 0);
+                    ir.adjust(-1, -1, 1, 0);
                     break;
                 default:
                     break;
diff --git a/src/gui/widgets/qabstractscrollarea.cpp b/src/gui/widgets/qabstractscrollarea.cpp
index 73ec53e..8cffebd 100644
--- a/src/gui/widgets/qabstractscrollarea.cpp
+++ b/src/gui/widgets/qabstractscrollarea.cpp
@@ -983,6 +983,7 @@ bool QAbstractScrollArea::event(QEvent *e)
     case QEvent::StyleChange:
     case QEvent::LayoutDirectionChange:
     case QEvent::ApplicationLayoutDirectionChange:
+    case QEvent::LayoutRequest:
         d->layoutChildren();
         // fall through
     default:
diff --git a/src/gui/widgets/qscrollarea.cpp b/src/gui/widgets/qscrollarea.cpp
index 6b81d9f..38e799e 100644
--- a/src/gui/widgets/qscrollarea.cpp
+++ b/src/gui/widgets/qscrollarea.cpp
@@ -482,14 +482,14 @@ void QScrollArea::ensureWidgetVisible(QWidget *childWidget, int xmargin, int yma
         d->hbar->setValue(focusRect.center().x() - d->viewport->width() / 2);
     else if (focusRect.right() > visibleRect.right())
         d->hbar->setValue(focusRect.right() - d->viewport->width());
-    else
+    else if (focusRect.left() < visibleRect.left())
         d->hbar->setValue(focusRect.left());
 
     if (focusRect.height() > visibleRect.height())
         d->vbar->setValue(focusRect.center().y() - d->viewport->height() / 2);
     else if (focusRect.bottom() > visibleRect.bottom())
         d->vbar->setValue(focusRect.bottom() - d->viewport->height());
-    else
+    else if (focusRect.top() < visibleRect.top())
         d->vbar->setValue(focusRect.top());
 }
 
diff --git a/src/network/bearer/qnetworkconfigmanager_p.cpp b/src/network/bearer/qnetworkconfigmanager_p.cpp
index a651dd1..a7bd2d5 100644
--- a/src/network/bearer/qnetworkconfigmanager_p.cpp
+++ b/src/network/bearer/qnetworkconfigmanager_p.cpp
@@ -381,7 +381,7 @@ void QNetworkConfigurationManagerPrivate::updateConfigurations()
                 connect(engine, SIGNAL(configurationChanged(QNetworkConfigurationPrivatePointer)),
                         this, SLOT(configurationChanged(QNetworkConfigurationPrivatePointer)));
 
-                QMetaObject::invokeMethod(engine, "requestUpdate");
+                QMetaObject::invokeMethod(engine, "initialize");
             }
         }
 
diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp
index baf69e7..7e006e0 100644
--- a/src/network/kernel/qhostinfo.cpp
+++ b/src/network/kernel/qhostinfo.cpp
@@ -488,9 +488,23 @@ QHostInfoLookupManager::~QHostInfoLookupManager()
     wasDeleted = true;
 
     // don't qDeleteAll currentLookups, the QThreadPool has ownership
-    qDeleteAll(postponedLookups);
-    qDeleteAll(scheduledLookups);
-    qDeleteAll(finishedLookups);
+    clear();
+}
+
+void QHostInfoLookupManager::clear()
+{
+    {
+        QMutexLocker locker(&mutex);
+        qDeleteAll(postponedLookups);
+        qDeleteAll(scheduledLookups);
+        qDeleteAll(finishedLookups);
+        postponedLookups.clear();
+        scheduledLookups.clear();
+        finishedLookups.clear();
+    }
+
+    threadPool.waitForDone();
+    cache.clear();
 }
 
 void QHostInfoLookupManager::work()
@@ -636,7 +650,7 @@ void qt_qhostinfo_clear_cache()
 {
     QHostInfoLookupManager* manager = theHostInfoLookupManager();
     if (manager) {
-        manager->cache.clear();
+        manager->clear();
     }
 }
 
diff --git a/src/network/kernel/qhostinfo_p.h b/src/network/kernel/qhostinfo_p.h
index 4fc74e9..e11766b 100644
--- a/src/network/kernel/qhostinfo_p.h
+++ b/src/network/kernel/qhostinfo_p.h
@@ -116,7 +116,7 @@ public:
 // These functions are outside of the QHostInfo class and strictly internal.
 // Do NOT use them outside of QAbstractSocket.
 QHostInfo Q_NETWORK_EXPORT qt_qhostinfo_lookup(const QString &name, QObject *receiver, const char *member, bool *valid, int *id);
-void Q_NETWORK_EXPORT qt_qhostinfo_clear_cache();
+void Q_AUTOTEST_EXPORT qt_qhostinfo_clear_cache();
 void Q_AUTOTEST_EXPORT qt_qhostinfo_enable_cache(bool e);
 
 class QHostInfoCache
@@ -161,6 +161,7 @@ public:
     QHostInfoLookupManager();
     ~QHostInfoLookupManager();
 
+    void clear();
     void work();
 
     // called from QHostInfo
diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp
index 822c9f6..0fbbbf9 100644
--- a/src/opengl/qgl_egl.cpp
+++ b/src/opengl/qgl_egl.cpp
@@ -147,7 +147,7 @@ void qt_glformat_from_eglconfig(QGLFormat& format, const EGLConfig config)
     // Clear the EGL error state because some of the above may
     // have errored out because the attribute is not applicable
     // to the surface type.  Such errors don't matter.
-    QEgl::clearError();
+    eglGetError();
 }
 
 bool QGLFormat::hasOpenGL()
diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp
index 6f210ce..d67a3ea 100644
--- a/src/opengl/qgl_x11egl.cpp
+++ b/src/opengl/qgl_x11egl.cpp
@@ -199,6 +199,10 @@ bool QGLContext::chooseContext(const QGLContext* shareContext)
         configProps.setRenderableType(QEgl::OpenGL);
         qt_eglproperties_set_glformat(configProps, d->glFormat);
 
+        // Set buffer preserved for regular QWidgets, QGLWidgets are ok with either preserved or destroyed:
+        if ((devType == QInternal::Widget) && qobject_cast<QGLWidget*>(static_cast<QWidget*>(device())) == 0)
+            configProps.setValue(EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
+
         if (!d->eglContext->chooseConfig(configProps, QEgl::BestPixelFormat)) {
             delete d->eglContext;
             d->eglContext = 0;
diff --git a/src/opengl/qglpixelbuffer_egl.cpp b/src/opengl/qglpixelbuffer_egl.cpp
index db9e754..0b94f5a 100644
--- a/src/opengl/qglpixelbuffer_egl.cpp
+++ b/src/opengl/qglpixelbuffer_egl.cpp
@@ -75,9 +75,9 @@ bool QGLPixelBufferPrivate::init(const QSize &size, const QGLFormat &f, QGLWidge
         ctx->setConfig(shareContext->config());
 #if QGL_RENDER_TEXTURE
         EGLint value = EGL_FALSE;
-        if (ctx->configAttrib(EGL_BIND_TO_TEXTURE_RGBA, &value) && value)
+        if (ctx->configAttrib(EGL_BIND_TO_TEXTURE_RGBA) == EGL_TRUE)
             textureFormat = EGL_TEXTURE_RGBA;
-        else if (ctx->configAttrib(EGL_BIND_TO_TEXTURE_RGB, &value) && value)
+        else if (ctx->configAttrib(EGL_BIND_TO_TEXTURE_RGB) == EGL_TRUE)
             textureFormat = EGL_TEXTURE_RGB;
 #endif
     } else {
diff --git a/src/openvg/qwindowsurface_vgegl.cpp b/src/openvg/qwindowsurface_vgegl.cpp
index 92c4371..e3f52f4e 100644
--- a/src/openvg/qwindowsurface_vgegl.cpp
+++ b/src/openvg/qwindowsurface_vgegl.cpp
@@ -71,18 +71,13 @@ VGImageFormat qt_vg_config_to_vg_format(QEglContext *context)
 
 QImage::Format qt_vg_config_to_image_format(QEglContext *context)
 {
-    EGLint red = 0;
-    EGLint green = 0;
-    EGLint blue = 0;
-    EGLint alpha = 0;
-    context->configAttrib(EGL_RED_SIZE, &red);
-    context->configAttrib(EGL_GREEN_SIZE, &green);
-    context->configAttrib(EGL_BLUE_SIZE, &blue);
-    context->configAttrib(EGL_ALPHA_SIZE, &alpha);
+    EGLint red = context->configAttrib(EGL_RED_SIZE);
+    EGLint green = context->configAttrib(EGL_GREEN_SIZE);
+    EGLint blue = context->configAttrib(EGL_BLUE_SIZE);
+    EGLint alpha = context->configAttrib(EGL_ALPHA_SIZE);
     QImage::Format argbFormat;
 #ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT
-    EGLint type = 0;
-    context->configAttrib(EGL_SURFACE_TYPE, &type);
+    EGLint type = context->configAttrib(EGL_SURFACE_TYPE);
     if ((type & EGL_VG_ALPHA_FORMAT_PRE_BIT) != 0)
         argbFormat = QImage::Format_ARGB32_Premultiplied;
     else
@@ -210,11 +205,7 @@ void qt_vg_unregister_pixmap(QVGPixmapData *pd)
 
 static bool isPremultipliedContext(const QEglContext *context)
 {
-    EGLint value = 0;
-    if (context->configAttrib(EGL_SURFACE_TYPE, &value))
-        return (value & EGL_VG_ALPHA_FORMAT_PRE_BIT) != 0;
-    else
-        return false;
+    return context->configAttrib(EGL_SURFACE_TYPE) & EGL_VG_ALPHA_FORMAT_PRE_BIT;
 }
 
 #endif
diff --git a/src/plugins/bearer/corewlan/qcorewlanengine.h b/src/plugins/bearer/corewlan/qcorewlanengine.h
index 854dcea..3c24c54 100644
--- a/src/plugins/bearer/corewlan/qcorewlanengine.h
+++ b/src/plugins/bearer/corewlan/qcorewlanengine.h
@@ -73,6 +73,7 @@ public:
     void connectToId(const QString &id);
     void disconnectFromId(const QString &id);
 
+    Q_INVOKABLE void initialize();
     Q_INVOKABLE void requestUpdate();
 
     QNetworkSession::State sessionStateForId(const QString &id);
@@ -86,7 +87,6 @@ public:
     bool requiresPolling() const;
 
 private Q_SLOTS:
-    void init();
     void doRequestUpdate();
     void networksChanged();
 
diff --git a/src/plugins/bearer/corewlan/qcorewlanengine.mm b/src/plugins/bearer/corewlan/qcorewlanengine.mm
index f54bd4d..02079d6 100644
--- a/src/plugins/bearer/corewlan/qcorewlanengine.mm
+++ b/src/plugins/bearer/corewlan/qcorewlanengine.mm
@@ -286,6 +286,8 @@ QList<QNetworkConfigurationPrivate *> QScanThread::getConfigurations()
 
 void QScanThread::getUserConfigurations()
 {
+    QMutexLocker locker(&mutex);
+
     QMacCocoaAutoReleasePool pool;
     userProfiles.clear();
 
@@ -354,6 +356,8 @@ void QScanThread::getUserConfigurations()
 
 QString QScanThread::getSsidFromNetworkName(const QString &name)
 {
+    QMutexLocker locker(&mutex);
+
     QMapIterator<QString, QMap<QString,QString> > i(userProfiles);
     while (i.hasNext()) {
         i.next();
@@ -372,6 +376,8 @@ QString QScanThread::getSsidFromNetworkName(const QString &name)
 
 QString QScanThread::getNetworkNameFromSsid(const QString &ssid)
 {
+    QMutexLocker locker(&mutex);
+
     QMapIterator<QString, QMap<QString,QString> > i(userProfiles);
     while (i.hasNext()) {
         i.next();
@@ -409,8 +415,6 @@ QCoreWlanEngine::QCoreWlanEngine(QObject *parent)
     scanThread = new QScanThread(this);
     connect(scanThread, SIGNAL(networksChanged()),
             this, SLOT(networksChanged()));
-
-    QTimer::singleShot(0,this,SLOT(init()));
 }
 
 QCoreWlanEngine::~QCoreWlanEngine()
@@ -421,8 +425,10 @@ QCoreWlanEngine::~QCoreWlanEngine()
     [listener release];
 }
 
-void QCoreWlanEngine::init()
+void QCoreWlanEngine::initialize()
 {
+    QMutexLocker locker(&mutex);
+
     if([[CWInterface supportedInterfaces] count] > 0 && !listener) {
         listener = [[QNSListener alloc] init];
         listener.engine = this;
diff --git a/src/plugins/bearer/generic/qgenericengine.cpp b/src/plugins/bearer/generic/qgenericengine.cpp
index 41ff3e0..652fe4a 100644
--- a/src/plugins/bearer/generic/qgenericengine.cpp
+++ b/src/plugins/bearer/generic/qgenericengine.cpp
@@ -177,6 +177,11 @@ void QGenericEngine::disconnectFromId(const QString &id)
     emit connectionError(id, OperationNotSupported);
 }
 
+void QGenericEngine::initialize()
+{
+    doRequestUpdate();
+}
+
 void QGenericEngine::requestUpdate()
 {
     doRequestUpdate();
diff --git a/src/plugins/bearer/generic/qgenericengine.h b/src/plugins/bearer/generic/qgenericengine.h
index 82d22af..cdbbc9d 100644
--- a/src/plugins/bearer/generic/qgenericengine.h
+++ b/src/plugins/bearer/generic/qgenericengine.h
@@ -70,6 +70,7 @@ public:
     void connectToId(const QString &id);
     void disconnectFromId(const QString &id);
 
+    Q_INVOKABLE void initialize();
     Q_INVOKABLE void requestUpdate();
 
     QNetworkSession::State sessionStateForId(const QString &id);
diff --git a/src/plugins/bearer/icd/qicdengine.cpp b/src/plugins/bearer/icd/qicdengine.cpp
index fc9b469..9d1bfab 100644
--- a/src/plugins/bearer/icd/qicdengine.cpp
+++ b/src/plugins/bearer/icd/qicdengine.cpp
@@ -225,8 +225,6 @@ QIcdEngine::QIcdEngine(QObject *parent)
 :   QBearerEngine(parent), iapMonitor(new IapMonitor), m_dbusInterface(0),
     firstUpdate(true), m_scanGoingOn(false)
 {
-    QMetaObject::invokeMethod(this, "doRequestUpdate", Qt::QueuedConnection);
-    init();
 }
 
 QIcdEngine::~QIcdEngine()
@@ -243,8 +241,10 @@ QNetworkConfigurationManager::Capabilities QIcdEngine::capabilities() const
            QNetworkConfigurationManager::NetworkSessionRequired;
 }
 
-void QIcdEngine::init()
+void QIcdEngine::initialize()
 {
+    QMutexLocker locker(&mutex);
+
     // Setup DBus Interface for ICD
     m_dbusInterface = new QDBusInterface(ICD_DBUS_API_INTERFACE,
                                          ICD_DBUS_API_PATH,
@@ -272,6 +272,8 @@ void QIcdEngine::init()
 
     QNetworkConfigurationPrivatePointer ptr(cpPriv);
     userChoiceConfigurations.insert(cpPriv->id, ptr);
+
+    doRequestUpdate();
 }
 
 static inline QString network_attrs_to_security(uint network_attrs)
diff --git a/src/plugins/bearer/icd/qicdengine.h b/src/plugins/bearer/icd/qicdengine.h
index 841874f..2f9f8ed 100644
--- a/src/plugins/bearer/icd/qicdengine.h
+++ b/src/plugins/bearer/icd/qicdengine.h
@@ -91,6 +91,7 @@ public:
 
     bool hasIdentifier(const QString &id);
 
+    Q_INVOKABLE void initialize();
     Q_INVOKABLE void requestUpdate();
 
     QNetworkConfigurationManager::Capabilities capabilities() const;
@@ -123,7 +124,6 @@ public:
         emit configurationChanged(ptr);
     }
 
-    void init();
     void cleanup();
 
     void addConfiguration(QString &iap_id);
diff --git a/src/plugins/bearer/nativewifi/qnativewifiengine.cpp b/src/plugins/bearer/nativewifi/qnativewifiengine.cpp
index e796df3..9b6ffa0 100644
--- a/src/plugins/bearer/nativewifi/qnativewifiengine.cpp
+++ b/src/plugins/bearer/nativewifi/qnativewifiengine.cpp
@@ -100,8 +100,6 @@ QNativeWifiEngine::QNativeWifiEngine(QObject *parent)
     if (result != ERROR_SUCCESS)
         qDebug("%s: WlanRegisterNotification failed with error %ld\n", __FUNCTION__, result);
 #endif
-
-    scanComplete();
 }
 
 QNativeWifiEngine::~QNativeWifiEngine()
@@ -472,6 +470,11 @@ void QNativeWifiEngine::disconnectFromId(const QString &id)
     }
 }
 
+void QNativeWifiEngine::initialize()
+{
+    scanComplete();
+}
+
 void QNativeWifiEngine::requestUpdate()
 {
     QMutexLocker locker(&mutex);
diff --git a/src/plugins/bearer/nativewifi/qnativewifiengine.h b/src/plugins/bearer/nativewifi/qnativewifiengine.h
index 77764e4..3b21985 100644
--- a/src/plugins/bearer/nativewifi/qnativewifiengine.h
+++ b/src/plugins/bearer/nativewifi/qnativewifiengine.h
@@ -80,6 +80,7 @@ public:
     void connectToId(const QString &id);
     void disconnectFromId(const QString &id);
 
+    Q_INVOKABLE void initialize();
     Q_INVOKABLE void requestUpdate();
 
     QNetworkSession::State sessionStateForId(const QString &id);
diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp
index 13b2252..3ebc356 100644
--- a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp
+++ b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp
@@ -93,16 +93,16 @@ QNetworkManagerEngine::QNetworkManagerEngine(QObject *parent)
     userSettings->setConnections();
     connect(userSettings, SIGNAL(newConnection(QDBusObjectPath)),
             this, SLOT(newConnection(QDBusObjectPath)));
-
-    QMetaObject::invokeMethod(this, "init", Qt::QueuedConnection);
 }
 
 QNetworkManagerEngine::~QNetworkManagerEngine()
 {
 }
 
-void QNetworkManagerEngine::init()
+void QNetworkManagerEngine::initialize()
 {
+    QMutexLocker locker(&mutex);
+
     // Get current list of access points.
     foreach (const QDBusObjectPath &devicePath, interface->getDevices())
         deviceAdded(devicePath);
diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h
index 7f8badb..8e95a2c 100644
--- a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h
+++ b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h
@@ -73,8 +73,6 @@ public:
     QNetworkManagerEngine(QObject *parent = 0);
     ~QNetworkManagerEngine();
 
-    Q_INVOKABLE void init();
-
     bool networkManagerAvailable() const;
 
     QString getInterfaceFromId(const QString &id);
@@ -85,6 +83,7 @@ public:
     void connectToId(const QString &id);
     void disconnectFromId(const QString &id);
 
+    Q_INVOKABLE void initialize();
     Q_INVOKABLE void requestUpdate();
 
     QNetworkSession::State sessionStateForId(const QString &id);
diff --git a/src/plugins/bearer/symbian/symbianengine.cpp b/src/plugins/bearer/symbian/symbianengine.cpp
index c629d02..8e9675e 100644
--- a/src/plugins/bearer/symbian/symbianengine.cpp
+++ b/src/plugins/bearer/symbian/symbianengine.cpp
@@ -137,7 +137,12 @@ SymbianEngine::SymbianEngine(QObject *parent)
         return;
     }
 #endif
-    
+}
+
+void SymbianEngine::initialize()
+{
+    QMutexLocker locker(&mutex);
+
     SymbianNetworkConfigurationPrivate *cpPriv = new SymbianNetworkConfigurationPrivate;
     cpPriv->name = "UserChoice";
     cpPriv->bearer = SymbianNetworkConfigurationPrivate::BearerUnknown;
diff --git a/src/plugins/bearer/symbian/symbianengine.h b/src/plugins/bearer/symbian/symbianengine.h
index dfd12bd..afb37de 100644
--- a/src/plugins/bearer/symbian/symbianengine.h
+++ b/src/plugins/bearer/symbian/symbianengine.h
@@ -110,6 +110,7 @@ public:
 
     bool hasIdentifier(const QString &id);
 
+    Q_INVOKABLE void initialize();
     Q_INVOKABLE void requestUpdate();
 
     QNetworkConfigurationManager::Capabilities capabilities() const;
diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index 0b8a2e4..03d535c 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -796,7 +796,7 @@ JSC::JSValue JSC_HOST_CALL functionQsTr(JSC::ExecState *exec, JSC::JSObject*, JS
     JSC::UString context;
     // The first non-empty source URL in the call stack determines the translation context.
     {
-        JSC::ExecState *frame = exec->removeHostCallFrameFlag();
+        JSC::ExecState *frame = exec->callerFrame()->removeHostCallFrameFlag();
         while (frame) {
             if (frame->codeBlock() && frame->codeBlock()->source()
                 && !frame->codeBlock()->source()->url().isEmpty()) {
@@ -3404,7 +3404,7 @@ void QScriptEngine::installTranslatorFunctions(const QScriptValue &object)
 //    unsigned attribs = JSC::DontEnum;
     JSC::asObject(jscObject)->putDirectFunction(exec, new (exec)JSC::NativeFunctionWrapper(exec, glob->prototypeFunctionStructure(), 5, JSC::Identifier(exec, "qsTranslate"), QScript::functionQsTranslate));
     JSC::asObject(jscObject)->putDirectFunction(exec, new (exec)JSC::NativeFunctionWrapper(exec, glob->prototypeFunctionStructure(), 2, JSC::Identifier(exec, "QT_TRANSLATE_NOOP"), QScript::functionQsTranslateNoOp));
-    JSC::asObject(jscObject)->putDirectFunction(exec, new (exec)JSC::PrototypeFunction(exec, glob->prototypeFunctionStructure(), 3, JSC::Identifier(exec, "qsTr"), QScript::functionQsTr));
+    JSC::asObject(jscObject)->putDirectFunction(exec, new (exec)JSC::NativeFunctionWrapper(exec, glob->prototypeFunctionStructure(), 3, JSC::Identifier(exec, "qsTr"), QScript::functionQsTr));
     JSC::asObject(jscObject)->putDirectFunction(exec, new (exec)JSC::NativeFunctionWrapper(exec, glob->prototypeFunctionStructure(), 1, JSC::Identifier(exec, "QT_TR_NOOP"), QScript::functionQsTrNoOp));
 
     glob->stringPrototype()->putDirectFunction(exec, new (exec)JSC::NativeFunctionWrapper(exec, glob->prototypeFunctionStructure(), 1, JSC::Identifier(exec, "arg"), QScript::stringProtoFuncArg));
diff --git a/src/script/bridge/qscriptqobject.cpp b/src/script/bridge/qscriptqobject.cpp
index 0477454..5e4f097 100644
--- a/src/script/bridge/qscriptqobject.cpp
+++ b/src/script/bridge/qscriptqobject.cpp
@@ -35,6 +35,7 @@
 
 #include "Error.h"
 #include "PrototypeFunction.h"
+#include "NativeFunctionWrapper.h"
 #include "PropertyNameArray.h"
 #include "JSFunction.h"
 #include "JSString.h"
@@ -1753,9 +1754,9 @@ QObjectPrototype::QObjectPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::St
                                     | QScriptEngine::ExcludeSuperClassProperties
                                     | QScriptEngine::ExcludeChildObjects));
 
-    putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/0, exec->propertyNames().toString, qobjectProtoFuncToString), JSC::DontEnum);
-    putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChild"), qobjectProtoFuncFindChild), JSC::DontEnum);
-    putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChildren"), qobjectProtoFuncFindChildren), JSC::DontEnum);
+    putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/0, exec->propertyNames().toString, qobjectProtoFuncToString), JSC::DontEnum);
+    putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChild"), qobjectProtoFuncFindChild), JSC::DontEnum);
+    putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChildren"), qobjectProtoFuncFindChildren), JSC::DontEnum);
     this->structure()->setHasGetterSetterProperties(true);
 }
 
@@ -2015,7 +2016,7 @@ QMetaObjectPrototype::QMetaObjectPrototype(
     JSC::Structure* prototypeFunctionStructure)
     : QMetaObjectWrapperObject(exec, StaticQtMetaObject::get(), /*ctor=*/JSC::JSValue(), structure)
 {
-    putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/0, JSC::Identifier(exec, "className"), qmetaobjectProtoFuncClassName), JSC::DontEnum);
+    putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/0, JSC::Identifier(exec, "className"), qmetaobjectProtoFuncClassName), JSC::DontEnum);
 }
 
 static const uint qt_meta_data_QObjectConnectionManager[] = {
diff --git a/src/script/bridge/qscriptvariant.cpp b/src/script/bridge/qscriptvariant.cpp
index b2dd3b0..93459a8 100644
--- a/src/script/bridge/qscriptvariant.cpp
+++ b/src/script/bridge/qscriptvariant.cpp
@@ -29,6 +29,8 @@
 
 #include "Error.h"
 #include "PrototypeFunction.h"
+#include "JSFunction.h"
+#include "NativeFunctionWrapper.h"
 #include "JSString.h"
 
 namespace JSC
@@ -139,8 +141,8 @@ QVariantPrototype::QVariantPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::
 {
     setDelegate(new QVariantDelegate(QVariant()));
 
-    putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, variantProtoFuncToString), JSC::DontEnum);
-    putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, variantProtoFuncValueOf), JSC::DontEnum);
+    putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, variantProtoFuncToString), JSC::DontEnum);
+    putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, variantProtoFuncValueOf), JSC::DontEnum);
 }