Fixed random crash in QGestureManager.

When the cachedGestures are cleaned, the Gestures should be removed in all QSets first, before the Delete.

Task: QT-4013
Reviewed By: Frederik Gladhorn

1 files changed, 4 insertions, 0 deletions

diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 6dd8127..5e9a0cb 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -171,6 +171,10 @@ void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType typ
             foreach (QGesture *g, gestures) {
                 m_deletedRecognizers.remove(g);
                 m_gestureToRecognizer.remove(g);
+                m_maybeGestures.remove(g);
+                m_activeGestures.remove(g);
+                m_gestureOwners.remove(g);
+                m_gestureTargets.remove(g);
             }
 
             qDeleteAll(gestures);