diff options
Diffstat (limited to 'src/plugins/platforms/ios/quiview.mm')
| -rw-r--r-- | src/plugins/platforms/ios/quiview.mm | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/plugins/platforms/ios/quiview.mm b/src/plugins/platforms/ios/quiview.mm index 79f9d6871a..1dbacad6e7 100644 --- a/src/plugins/platforms/ios/quiview.mm +++ b/src/plugins/platforms/ios/quiview.mm @@ -43,6 +43,7 @@ #include "qiosintegration.h" #include "qiosviewcontroller.h" #include "qiostextresponder.h" +#include "qiosscreen.h" #include "qioswindow.h" #ifndef Q_OS_TVOS #include "qiosmenu.h" @@ -359,7 +360,21 @@ - (void)sendTouchEventWithTimestamp:(ulong)timeStamp { QIOSIntegration *iosIntegration = QIOSIntegration::instance(); - QWindowSystemInterface::handleTouchEvent(m_qioswindow->window(), timeStamp, iosIntegration->touchDevice(), m_activeTouches.values()); + if (!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 + // having its delaysTouchesBegan set to YES. During this delivery, it's not + // safe to spin up a recursive event loop, as our calling function is not + // reentrant, so any gestures used by the recursive code, e.g. a native + // alert dialog, will fail to recognize. To be on the safe side, we deliver + // the event asynchronously. + QWindowSystemInterface::handleTouchEvent<QWindowSystemInterface::AsynchronousDelivery>( + m_qioswindow->window(), timeStamp, iosIntegration->touchDevice(), m_activeTouches.values()); + } else { + QWindowSystemInterface::handleTouchEvent<QWindowSystemInterface::SynchronousDelivery>( + m_qioswindow->window(), timeStamp, iosIntegration->touchDevice(), m_activeTouches.values()); + } } - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event |