Merge branch 'qt-4.8-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration into master-integration

* 'qt-4.8-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration: (26 commits)
  Fixing potential js hole in the js function for the feedback channel.
  Fix tst_Q3ProgressBar::setProgress, again
  Disable tst_Q3ComboBox::task231724_clear on Mac
  Fix tst_Q3ProgressBar::setProgress()
  Revert "Fix double painting when adding an item into a linear layout"
  Add missing license headers
  Revert "Fixed a crash in QListView"
  qdoc: Completed task QTBUG-18790
  qdoc: Completed task QTBUG-18733
  Benchmark for layout hierarchies
  Manual test for layout flickering
  Improve invalidate() testcase.
  Avoid flicker when invalidate is propagated in a widget/layout hierarchy
  Do not call setSizePolicy from ctor, it might call a virtual function
  qdoc: Last commit before merge into master.
  Fixed a crash in QListView
  Doc: Fixed reference to a name in a table.
  qdoc: Fixed license comment.
  Ensured that incomplete downloads are removed.
  qdoc: Added missing copyright notice
  ...

1 files changed, 7 insertions, 2 deletions

diff --git a/src/gui/graphicsview/qgraphicslayout_p.cpp b/src/gui/graphicsview/qgraphicslayout_p.cpp
index c325602..f73fb6a 100644
--- a/src/gui/graphicsview/qgraphicslayout_p.cpp
+++ b/src/gui/graphicsview/qgraphicslayout_p.cpp
@@ -180,8 +180,13 @@ void QGraphicsLayoutPrivate::activateRecursive(QGraphicsLayoutItem *item)
 {
     if (item->isLayout()) {
         QGraphicsLayout *layout = static_cast<QGraphicsLayout *>(item);
-        if (layout->d_func()->activated)
-            layout->invalidate();
+        if (layout->d_func()->activated) {
+            if (QGraphicsLayout::instantInvalidatePropagation()) {
+                return;
+            } else {
+                layout->invalidate();   // ### LOOKS SUSPICIOUSLY WRONG!!???
+            }
+        }
 
         for (int i = layout->count() - 1; i >= 0; --i) {
             QGraphicsLayoutItem *childItem = layout->itemAt(i);