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Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection_xi2.cpp')
-rw-r--r--src/plugins/platforms/xcb/qxcbconnection_xi2.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
index 5a36cfa0d3..1ced02f31d 100644
--- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
@@ -591,8 +591,12 @@ void QXcbConnection::xi2HandleEvent(xcb_ge_event_t *event)
event->event_type, xiDeviceEvent->sequence, xiDeviceEvent->detail,
fixed1616ToReal(xiDeviceEvent->event_x), fixed1616ToReal(xiDeviceEvent->event_y),
fixed1616ToReal(xiDeviceEvent->root_x), fixed1616ToReal(xiDeviceEvent->root_y),xiDeviceEvent->event);
- if (QXcbWindow *platformWindow = platformWindowFromId(xiDeviceEvent->event))
+ if (QXcbWindow *platformWindow = platformWindowFromId(xiDeviceEvent->event)) {
xi2ProcessTouch(xiDeviceEvent, platformWindow);
+ } else { // When the window cannot be matched, delete it from touchPoints
+ if (TouchDeviceData *dev = touchDeviceForId(xiDeviceEvent->sourceid))
+ dev->touchPoints.remove((xiDeviceEvent->detail % INT_MAX));
+ }
break;
}
} else if (xiEnterEvent && !xi2MouseEventsDisabled() && eventListener) {