src/macosx/classes/sun/lwawt/LWWindowPeer.java

@@ -745,27 +745,25 @@
                 }
                 lastCommonMouseEventPeer = targetPeer;
                 lastMouseEventPeer = targetPeer;
             }
         } else {
-            PlatformWindow topmostPlatforWindow =
-                    platformWindow.getTopmostPlatformWindowUnderMouse();
+            PlatformWindow topmostPlatformWindow = LWToolkit.getLWToolkit().getPlatformWindowUnderMouse();
 
             LWWindowPeer topmostWindowPeer =
-                    topmostPlatforWindow != null ? topmostPlatforWindow.getPeer() : null;
+                    topmostPlatformWindow != null ? topmostPlatformWindow.getPeer() : null;
 
             // topmostWindowPeer == null condition is added for the backward
             // compatibility with applets. It can be removed when the
             // getTopmostPlatformWindowUnderMouse() method will be properly
             // implemented in CPlatformEmbeddedFrame class
             if (topmostWindowPeer == this || topmostWindowPeer == null) {
                 generateMouseEnterExitEventsForComponents(when, button, x, y,
                         screenX, screenY, modifiers, clickCount, popupTrigger,
                         targetPeer);
             } else {
-                LWComponentPeer<?, ?> topmostTargetPeer =
-                        topmostWindowPeer != null ? topmostWindowPeer.findPeerAt(r.x + x, r.y + y) : null;
+                LWComponentPeer<?, ?> topmostTargetPeer = topmostWindowPeer.findPeerAt(r.x + x, r.y + y);
                 topmostWindowPeer.generateMouseEnterExitEventsForComponents(when, button, x, y,
                         screenX, screenY, modifiers, clickCount, popupTrigger,
                         topmostTargetPeer);
             }