fix QTBUG-13501 - crash when a gesture is accepted but not consumed

Reviewed-by: Denis Dzyubenko

1 files changed, 4 insertions, 2 deletions

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index caeeeb9..2fd2f46 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -4367,11 +4367,13 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
                     eventAccepted = ge.isAccepted();
                     for (int i = 0; i < gestures.size(); ++i) {
                         QGesture *g = gestures.at(i);
-                        if ((res && eventAccepted) || (!eventAccepted && ge.isAccepted(g))) {
+                        // Ignore res [event return value] because handling of multiple gestures
+                        // packed into a single QEvent depends on not consuming the event
+                        if (eventAccepted || ge.isAccepted(g)) {
                             // if the gesture was accepted, mark the target widget for it
                             gestureEvent->d_func()->targetWidgets[g->gestureType()] = w;
                             gestureEvent->setAccepted(g, true);
-                        } else if (!eventAccepted && !ge.isAccepted(g)) {
+                        } else {
                             // if the gesture was explicitly ignored by the application,
                             // put it back so a parent can get it
                             allGestures.append(g);