6 files changed, 18 insertions, 9 deletions
diff --git a/src/corelib/kernel/qeventdispatcher_symbian.cpp b/src/corelib/kernel/qeventdispatcher_symbian.cpp
index 9abb000..47dd558 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian.cpp
+++ b/src/corelib/kernel/qeventdispatcher_symbian.cpp
@@ -217,13 +217,13 @@ QTimerActiveObject::QTimerActiveObject(QEventDispatcherSymbian *dispatcher, Symb
 QTimerActiveObject::~QTimerActiveObject()
 {
     Cancel();
+    m_rTimer.Close(); //close of null handle is safe
 }
 
 void QTimerActiveObject::DoCancel()
 {
     if (m_timerInfo->interval > 0) {
         m_rTimer.Cancel();
-        m_rTimer.Close();
     } else {
         if (iStatus.Int() == KRequestPending) {
             TRequestStatus *status = &iStatus;
@@ -302,7 +302,9 @@ void QTimerActiveObject::Start()
     CActiveScheduler::Add(this);
     m_timerInfo->msLeft = m_timerInfo->interval;
     if (m_timerInfo->interval > 0) {
-        m_rTimer.CreateLocal();
+        if (!m_rTimer.Handle()) {
+            qt_symbian_throwIfError(m_rTimer.CreateLocal());
+        }
         StartTimer();
     } else {
         iStatus = KRequestPending;
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 7f8fec7..8e4e99a 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 a5aa580..0294c4b 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");
 }
 
 
diff --git a/src/gui/text/qtextobject.cpp b/src/gui/text/qtextobject.cpp
index 019942f..e323fd0 100644
--- a/src/gui/text/qtextobject.cpp
+++ b/src/gui/text/qtextobject.cpp
@@ -1488,7 +1488,7 @@ QTextBlock::iterator QTextBlock::end() const
 */
 QTextBlock QTextBlock::next() const
 {
-    if (!p)
+    if (!isValid())
         return QTextBlock();
 
     return QTextBlock(p, p->blockMap().next(n));
@@ -1504,7 +1504,7 @@ QTextBlock QTextBlock::next() const
 */
 QTextBlock QTextBlock::previous() const
 {
-    if (!p)
+    if (!isValid())
         return QTextBlock();
 
     return QTextBlock(p, p->blockMap().previous(n));
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
index 263b9f5..58c78ec 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
@@ -293,9 +293,6 @@ void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph)
     if (mask.format() == QImage::Format_RGB32) {
         glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_BGRA, GL_UNSIGNED_BYTE, mask.bits());
     } else {
-#ifdef QT_OPENGL_ES_2
-        glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_ALPHA, GL_UNSIGNED_BYTE, mask.bits());
-#else
         // glTexSubImage2D() might cause some garbage to appear in the texture if the mask width is
         // not a multiple of four bytes. The bug appeared on a computer with 32-bit Windows Vista
         // and nVidia GeForce 8500GT. GL_UNPACK_ALIGNMENT is set to four bytes, 'mask' has a
@@ -307,7 +304,6 @@ void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph)
 
         for (int i = 0; i < maskHeight; ++i)
             glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y + i, maskWidth, 1, GL_ALPHA, GL_UNSIGNED_BYTE, mask.scanLine(i));
-#endif
     }
 }
 
diff --git a/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp b/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp
index 5b1b595..0c107b5 100644
--- a/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp
+++ b/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp
@@ -45,11 +45,13 @@
 #if defined(Q_OS_SYMBIAN) && !defined(Q_SYMBIAN_SEMITRANSPARENT_BG_SURFACE)
 #include <QtGui/private/qwidget_p.h>
 #endif
+#include <QtGui/private/qapplication_p.h>
 
 QT_BEGIN_NAMESPACE
 
 QVGGraphicsSystem::QVGGraphicsSystem()
 {
+    QApplicationPrivate::graphics_system_name = QLatin1String("openvg");
 }
 
 QPixmapData *QVGGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const