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

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
  Revert "More improvements to pixmap cache key generation"
  More improvements to pixmap cache key generation
  More 4.7 stuff.
  Fix for autotest failure in qwidget::saveRestoreGeometry()
  Optimized pixmapcache key generation for icons and styles
  doc: Another upgrade of the top page and overviews.
  Mac: restoreGeometry()
  [Regression] Build failure on Mac Carbon
  doc: Added some \briefs to how-to docs.
  Some 4.7 changes.
  Updated changelog.
  Cherry pick fix for MOBILITY-932 from Qt Mobility.
  Cherry pick fix for MOBILITY-962 from Qt Mobility.
  Cherry pick fix for MOBILITY-828 from Qt Mobility.
  Bearer management changes from Qt Mobility.
  Cherry pick fix for MOBILITY-828 from Qt Mobility.
  Added snippet labels to QML Dial example.
  Fixed documentation typo.

1 files changed, 13 insertions, 10 deletions

diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index 891b1db..9f1eea2 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -261,16 +261,19 @@ QPixmap QPixmapIconEngine::pixmap(const QSize &size, QIcon::Mode mode, QIcon::St
     if (!actualSize.isNull() && (actualSize.width() > size.width() || actualSize.height() > size.height()))
         actualSize.scale(size, Qt::KeepAspectRatio);
 
-    QString key = QLatin1String("$qt_icon_")
-                  + QString::number(pm.cacheKey())
-                  + QString::number(pe->mode)
-                  + QString::number(QApplication::palette().cacheKey())
-                  + QLatin1Char('_')
-                  + QString::number(actualSize.width())
-                  + QLatin1Char('_')
-                  + QString::number(actualSize.height())
-                  + QLatin1Char('_');
-
+    int digits = sizeof(qint64)/sizeof(QChar);
+    quint64 tkey = pm.cacheKey(),
+            tmode = pe->mode,
+            tpalkey = QApplication::palette().cacheKey(),
+            twidth = actualSize.width(),
+            theight = actualSize.height();
+
+    QString key = QLatin1Literal("qt_")
+                  % QString::fromRawData((QChar*)&tkey, digits)
+                  % QString::fromRawData((QChar*)&tmode, digits)
+                  % QString::fromRawData((QChar*)&tpalkey, digits)
+                  % QString::fromRawData((QChar*)&twidth, digits)
+                  % QString::fromRawData((QChar*)&theight, digits);
 
     if (mode == QIcon::Active) {
         if (QPixmapCache::find(key + QString::number(mode), pm))