QQuickWindowPrivate::deliverMouseEvent: localize to grabber

If we are delivering to an existing pointer handler grabber, it's
guaranteed to have a parentItem, and the event needs to be localized
to that item before delivery.

Change-Id: I440d73a5daed7620283e79a61b956e47f9fce80d
Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 7aa6d1aa66..0c5f9fe024 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -1646,8 +1646,9 @@ void QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent *pointerEven
     auto point = pointerEvent->point(0);
     lastMousePosition = point->scenePos();
 
-    if (point->grabberPointerHandler()) {
-        point->grabberPointerHandler()->handlePointerEvent(pointerEvent);
+    if (auto handler = point->grabberPointerHandler()) {
+        pointerEvent->localize(handler->parentItem());
+        handler->handlePointerEvent(pointerEvent);
         return;
     }