Merge "Merge remote-tracking branch 'origin/5.12.0' into 5.12" into refs/staging/5.12

1 files changed, 4 insertions, 1 deletions

diff --git a/src/plugins/platforms/windows/qwindowspointerhandler.cpp b/src/plugins/platforms/windows/qwindowspointerhandler.cpp
index 14559d726a..7935d0c36f 100644
--- a/src/plugins/platforms/windows/qwindowspointerhandler.cpp
+++ b/src/plugins/platforms/windows/qwindowspointerhandler.cpp
@@ -582,6 +582,7 @@ bool QWindowsPointerHandler::translateTouchEvent(QWindow *window, HWND hwnd,
     QList<QWindowSystemInterface::TouchPoint> touchPoints;
 
     bool primaryPointer = false;
+    bool pressRelease = false;
 
     if (QWindowsContext::verbose > 1)
         qCDebug(lcQpaEvents).noquote().nospace() << showbase
@@ -618,9 +619,11 @@ bool QWindowsPointerHandler::translateTouchEvent(QWindow *window, HWND hwnd,
         if (touchInfo[i].pointerInfo.pointerFlags & POINTER_FLAG_DOWN) {
             touchPoint.state = Qt::TouchPointPressed;
             m_lastTouchPositions.insert(touchPoint.id, touchPoint.normalPosition);
+            pressRelease = true;
         } else if (touchInfo[i].pointerInfo.pointerFlags & POINTER_FLAG_UP) {
             touchPoint.state = Qt::TouchPointReleased;
             m_lastTouchPositions.remove(touchPoint.id);
+            pressRelease = true;
         } else {
             touchPoint.state = stationaryTouchPoint ? Qt::TouchPointStationary : Qt::TouchPointMoved;
             m_lastTouchPositions.insert(touchPoint.id, touchPoint.normalPosition);
@@ -633,7 +636,7 @@ bool QWindowsPointerHandler::translateTouchEvent(QWindow *window, HWND hwnd,
         // Avoid getting repeated messages for this frame if there are multiple pointerIds
         QWindowsContext::user32dll.skipPointerFrameMessages(touchInfo[i].pointerInfo.pointerId);
     }
-    if (primaryPointer) {
+    if (primaryPointer && !pressRelease) {
         // Postpone event delivery to avoid hanging inside DoDragDrop().
         // Only the primary pointer will generate mouse messages.
         enqueueTouchEvent(window, touchPoints, QWindowsKeyMapper::queryKeyboardModifiers());