Merge branch 'qt-master-from-4.6' of scm.dev.nokia.troll.no:qt/qt-integration into master-integration

* 'qt-master-from-4.6' of scm.dev.nokia.troll.no:qt/qt-integration: (104 commits)
  Documentation: clarified RVCT support for Symbian
  Update Symbian OS def files for 4.6.2
  Remove the installer from the Qt sources.
  Don't remove all dependencies when patching the pkg.
  Fixes qabstractslider autotest
  Workaround for abld toolchain issue with s60main
  Add a recursive rule for running the auto-tests.
  Do not run the tests automatically during install.
  Enabling runfast mode when vfpv2 used.
  Fixing a test case to be runnable on Symbian device.
  [CRASH] audioinput and audiooutput examples crash when no devices are
  Fixed casual crash in initializeDb (Symbian)
  Fixes scrolling horizontally with a mouse wheel over sliders.
  don't use QKeySequence::mnemonic() after all
  Fixed qt_x11_wait_for_window_manager
  Revert change 34f1758 on non-Synbian platforms
  Fixed QGifHandler::loopCount().
  Doc: Clarified ownership of custom buttons added to a QDialogButtonBox.
  Updated WebKit from /home/shausman/src/webkit/trunk to qtwebkit/qtwebkit-4.6 ( da5d96a26e80162027bc95ce7e5725fe4b277ff7 )
  don't use stylesheet for just making labels bold
  ...

1 files changed, 13 insertions, 1 deletions

diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 4de5bc4..b976376 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -68,6 +68,7 @@
 #include "qx11info_x11.h"
 #include <private/qdrawhelper_p.h>
 #include <private/qimage_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
 
 #include <stdlib.h>
 
@@ -1234,6 +1235,12 @@ void QX11PixmapData::fill(const QColor &fillColor)
 
 QX11PixmapData::~QX11PixmapData()
 {
+    // Cleanup hooks have to be called before the handles are freed
+    if (is_cached) {
+        QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this);
+        is_cached = false;
+    }
+
     release();
 }
 
@@ -1242,8 +1249,13 @@ void QX11PixmapData::release()
     delete pengine;
     pengine = 0;
 
-    if (!X11)
+    if (!X11) {
+#ifndef QT_NO_DEBUG
+        qWarning("~QX11PixmapData(): QPixmap objects must be destroyed before the QApplication"
+                 " object, otherwise the native pixmap object will be leaked.");
+#endif
         return;
+    }
 
     if (x11_mask) {
 #ifndef QT_NO_XRENDER