NSViewComponentPeer: Only forward a mouse move event if the view is not occluded by a child view

Author: reuk

modules/juce_gui_basics/native/juce_NSViewComponentPeer_mac.mm

@@ -754,7 +754,10 @@ void redirectMouseMove (NSEvent* ev)
         NSPoint screenPos = [[ev window] convertRectToScreen: NSMakeRect (windowPos.x, windowPos.y, 1.0f, 1.0f)].origin;
 
         if (isWindowAtPoint ([ev window], screenPos))
-            sendMouseEvent (ev);
+        {
+            if (contains (getMousePos (ev, view).roundToInt(), false))
+                sendMouseEvent (ev);
+        }
         else
             // moved into another window which overlaps this one, so trigger an exit
             handleMouseEvent (MouseInputSource::InputSourceType::mouse, MouseInputSource::offscreenMousePos, ModifierKeys::currentModifiers,