1 files changed, 13 insertions, 9 deletions
diff --git a/src/widgets/kernel/qmacgesturerecognizer_p.h b/src/widgets/kernel/qmacgesturerecognizer_p.h
index be3f3266ac..739fc201b7 100644
--- a/src/widgets/kernel/qmacgesturerecognizer_p.h
+++ b/src/widgets/kernel/qmacgesturerecognizer_p.h
@@ -55,6 +55,7 @@
 #include "qtimer.h"
 #include "qpoint.h"
 #include "qgesturerecognizer.h"
+#include <QtCore/qpointer.h>
 
 #ifndef QT_NO_GESTURES
 
@@ -65,9 +66,9 @@ class QMacSwipeGestureRecognizer : public QGestureRecognizer
 public:
     QMacSwipeGestureRecognizer();
 
-    QGesture *create(QObject *target);
-    QGestureRecognizer::Result recognize(QGesture *gesture, QObject *watched, QEvent *event);
-    void reset(QGesture *gesture);
+    QGesture *create(QObject *target) override;
+    QGestureRecognizer::Result recognize(QGesture *gesture, QObject *watched, QEvent *event) override;
+    void reset(QGesture *gesture) override;
 };
 
 class QMacPinchGestureRecognizer : public QGestureRecognizer
@@ -75,9 +76,9 @@ class QMacPinchGestureRecognizer : public QGestureRecognizer
 public:
     QMacPinchGestureRecognizer();
 
-    QGesture *create(QObject *target);
-    QGestureRecognizer::Result recognize(QGesture *gesture, QObject *watched, QEvent *event);
-    void reset(QGesture *gesture);
+    QGesture *create(QObject *target) override;
+    QGestureRecognizer::Result recognize(QGesture *gesture, QObject *watched, QEvent *event) override;
+    void reset(QGesture *gesture) override;
 };
 
 class QMacPanGestureRecognizer : public QObject, public QGestureRecognizer
@@ -85,13 +86,16 @@ class QMacPanGestureRecognizer : public QObject, public QGestureRecognizer
 public:
     QMacPanGestureRecognizer();
 
-    QGesture *create(QObject *target);
-    QGestureRecognizer::Result recognize(QGesture *gesture, QObject *watched, QEvent *event);
-    void reset(QGesture *gesture);
+    QGesture *create(QObject *target) override;
+    QGestureRecognizer::Result recognize(QGesture *gesture, QObject *watched, QEvent *event) override;
+    void reset(QGesture *gesture) override;
+protected:
+    void timerEvent(QTimerEvent *ev) override;
 private:
     QPointF _startPos;
     QBasicTimer _panTimer;
     bool _panCanceled;
+    QPointer<QObject> _target;
 };
 
 QT_END_NAMESPACE