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

* '4.7' of scm.dev.nokia.troll.no:qt/qt-qml: (47 commits)
  Optimize QML "parent" property access
  Begin dragging PathView up to the level (quality and functionality) of other views.
  Rename qdeclarativetime -> qmltime
  Auto-test fix.
  Build Fix and port to new width and height properties
  Port Flickable and Flipable to support QGraphicsObject.
  Protect the QDeclarativeListProperty used in QGraphicsItem with ifdef
  Fix the build due to new properties in QGraphicsObject.
  Remove the children property from QDeclarativeItem.
  Rename qdeclarativetime -> qmltime
  Update AnchorChanges to use more natural form for setting anchors.
  Pen is not a creatable type.
  Begin dragging PathView up to the level (quality and functionality) of other views.
  Fix error reporting when symbian file copy fails.
  Stabilize QGraphicsEffect test on X11
  QIODevice::read() and QFile::atEnd() performance improvements
  Clarified pkg_prerules usage documentation.
  Updated WebKit from /home/shausman/src/webkit/trunk to qtwebkit/qtwebkit-4.6 ( aa40cdb9595eb15a68e7be03322f973aa613a8f9 )
  Made it possible to define more than one language using pkg_prerules
  Symbian QAudioOutput::suspend() was resetting processedUSecs() to zero
  ...

2 files changed, 13 insertions, 0 deletions

diff --git a/src/corelib/statemachine/qstatemachine.cpp b/src/corelib/statemachine/qstatemachine.cpp
index bd7e626..9d5c49f 100644
--- a/src/corelib/statemachine/qstatemachine.cpp
+++ b/src/corelib/statemachine/qstatemachine.cpp
@@ -1175,6 +1175,16 @@ void QStateMachinePrivate::removeStartState()
     _startState = 0;
 }
 
+void QStateMachinePrivate::clearHistory()
+{
+    Q_Q(QStateMachine);
+    QList<QHistoryState*> historyStates = qFindChildren<QHistoryState*>(q);
+    for (int i = 0; i < historyStates.size(); ++i) {
+        QHistoryState *h = historyStates.at(i);
+        QHistoryStatePrivate::get(h)->configuration.clear();
+    }
+}
+
 void QStateMachinePrivate::_q_start()
 {
     Q_Q(QStateMachine);
@@ -1186,6 +1196,7 @@ void QStateMachinePrivate::_q_start()
     internalEventQueue.clear();
     qDeleteAll(externalEventQueue);
     externalEventQueue.clear();
+    clearHistory();
 
 #ifdef QSTATEMACHINE_DEBUG
     qDebug() << q << ": starting";
diff --git a/src/corelib/statemachine/qstatemachine_p.h b/src/corelib/statemachine/qstatemachine_p.h
index 0fead5d..5e1015f 100644
--- a/src/corelib/statemachine/qstatemachine_p.h
+++ b/src/corelib/statemachine/qstatemachine_p.h
@@ -126,6 +126,8 @@ public:
     QState *startState();
     void removeStartState();
 
+    void clearHistory();
+
     void microstep(QEvent *event, const QList<QAbstractTransition*> &transitionList);
     bool isPreempted(const QAbstractState *s, const QSet<QAbstractTransition*> &transitions) const;
     QSet<QAbstractTransition*> selectTransitions(QEvent *event) const;