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-rw-r--r--src/plugins/platforms/ios/quiview.mm3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/platforms/ios/quiview.mm b/src/plugins/platforms/ios/quiview.mm
index 29afae7176..8db36705c0 100644
--- a/src/plugins/platforms/ios/quiview.mm
+++ b/src/plugins/platforms/ios/quiview.mm
@@ -440,7 +440,8 @@ Q_LOGGING_CATEGORY(lcQpaTablet, "qt.qpa.input.tablet")
if (m_activeTouches.isEmpty())
return;
- if (!static_cast<QUIWindow *>(self.window).sendingEvent) {
+ if ([self.window isKindOfClass:[QUIWindow class]] &&
+ !static_cast<QUIWindow *>(self.window).sendingEvent) {
// The event is likely delivered as part of delayed touch delivery, via
// _UIGestureEnvironmentSortAndSendDelayedTouches, due to one of the two
// _UISystemGestureGateGestureRecognizer instances on the top level window