Merge "Merge remote-tracking branch 'origin/5.12' into 5.13" into refs/staging/5.13

1 files changed, 6 insertions, 0 deletions

diff --git a/src/widgets/kernel/qgesturerecognizer.cpp b/src/widgets/kernel/qgesturerecognizer.cpp
index 65c46a5e56..75d091ce4e 100644
--- a/src/widgets/kernel/qgesturerecognizer.cpp
+++ b/src/widgets/kernel/qgesturerecognizer.cpp
@@ -41,6 +41,7 @@
 
 #include "private/qgesture_p.h"
 #include "private/qgesturemanager_p.h"
+#include "private/qapplication_p.h"
 
 #ifndef QT_NO_GESTURES
 
@@ -231,6 +232,11 @@ Qt::GestureType QGestureRecognizer::registerRecognizer(QGestureRecognizer *recog
 */
 void QGestureRecognizer::unregisterRecognizer(Qt::GestureType type)
 {
+    auto qAppPriv = QApplicationPrivate::instance();
+    if (!qAppPriv)
+        return;
+    if (!qAppPriv->gestureManager)
+        return;
     QGestureManager::instance()->unregisterGestureRecognizer(type);
 }