don't send mouse events to disabled windows (this really shouldn't be possible as otherwise it allows the user to modify the state of a disabled control)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37803 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/toplevel.cpp

@@ -497,6 +497,10 @@ pascal OSStatus wxMacTopLevelMouseEventHandler( EventHandlerCallRef handler , Ev
 #endif
                 }
             }
+
+            // disabled windows must not get any input messages
+            if ( currentMouseWindow && !currentMouseWindow->MacIsReallyEnabled() )
+                currentMouseWindow = NULL;
         }
     }