diff options
-rw-r--r-- | src/widgets/kernel/qgesturemanager.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/widgets/kernel/qgesturemanager.cpp b/src/widgets/kernel/qgesturemanager.cpp index fb2914d53a..967ef6b40c 100644 --- a/src/widgets/kernel/qgesturemanager.cpp +++ b/src/widgets/kernel/qgesturemanager.cpp @@ -548,9 +548,9 @@ bool QGestureManager::filterEvent(QObject *receiver, QEvent *event) if (widgetWindow) return filterEvent(widgetWindow->widget(), event); - if (!m_gestureToRecognizer.contains(static_cast<QGesture *>(receiver))) + QGesture *state = qobject_cast<QGesture *>(receiver); + if (!state || !m_gestureToRecognizer.contains(state)) return false; - QGesture *state = static_cast<QGesture *>(receiver); QMultiMap<QObject *, Qt::GestureType> contexts; contexts.insert(state, state->gestureType()); return filterEventThroughContexts(contexts, event); |