Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public:
  Setting WA_TranslucentBackground after winid() is ineffective on Symbian.
  Fix handle leak in symbian QTimer implementation

2 files changed, 10 insertions, 1 deletions

diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index d6ad3c3..d55c21e 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -780,6 +780,14 @@ void QWidgetPrivate::s60UpdateIsOpaque()
         if (window->SetTransparencyAlphaChannel() == KErrNone) {
             window->SetBackgroundColor(TRgb(255, 255, 255, 0));
             extra->topextra->nativeWindowTransparencyEnabled = 1;
+
+            if (extra->topextra->backingStore.data() &&
+                    QApplicationPrivate::graphics_system_name == QLatin1String("openvg")) {
+                // Semi-transparent EGL surfaces aren't supported. We need to
+                // recreate backing store to get translucent surface (raster surface).
+                extra->topextra->backingStore.create(q);
+                extra->topextra->backingStore.registerWidget(q);
+            }
         }
     } else if (extra->topextra->nativeWindowTransparencyEnabled) {
         window->SetTransparentRegion(TRegionFix<1>());
diff --git a/src/gui/painting/qgraphicssystem_runtime.cpp b/src/gui/painting/qgraphicssystem_runtime.cpp
index a9fbbee..db3b0d8 100644
--- a/src/gui/painting/qgraphicssystem_runtime.cpp
+++ b/src/gui/painting/qgraphicssystem_runtime.cpp
@@ -322,7 +322,6 @@ QRuntimeGraphicsSystem::QRuntimeGraphicsSystem()
     : m_windowSurfaceDestroyPolicy(DestroyImmediately),
       m_graphicsSystem(0)
 {
-    QApplicationPrivate::graphics_system_name = QLatin1String("runtime");
     QApplicationPrivate::runtime_graphics_system = true;
 
 #ifdef QT_DEFAULT_RUNTIME_SYSTEM
@@ -336,6 +335,8 @@ QRuntimeGraphicsSystem::QRuntimeGraphicsSystem()
 #endif
 
     m_graphicsSystem = QGraphicsSystemFactory::create(m_graphicsSystemName);
+
+    QApplicationPrivate::graphics_system_name = QLatin1String("runtime");
 }