Merge remote-tracking branch 'origin/5.8' into dev

Conflicts:
	.qmake.conf

Change-Id: I9d87ed86e95b5901a86cc3aa65d7ac39b0b708c2

1 files changed, 3 insertions, 2 deletions

diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 07d87989b5..660c5f8067 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -2083,11 +2083,12 @@ void QQuickWindowPrivate::flushFrameSynchronousEvents()
             ut->startAnimations();
     }
 
-    // Once per frame, send a synthetic hover, in case items have changed position.
+    // Once per frame, if any items are dirty, send a synthetic hover,
+    // in case items have changed position, visibility, etc.
     // For instance, during animation (including the case of a ListView
     // whose delegates contain MouseAreas), a MouseArea needs to know
     // whether it has moved into a position where it is now under the cursor.
-    if (!q->mouseGrabberItem() && !lastMousePosition.isNull()) {
+    if (!q->mouseGrabberItem() && !lastMousePosition.isNull() && dirtyItemList) {
         bool accepted = false;
         bool delivered = deliverHoverEvent(contentItem, lastMousePosition, lastMousePosition, QGuiApplication::keyboardModifiers(), 0, accepted);
         if (!delivered)