Fix a number of problems with tracking rectangles by avoiding rebuilding them when unnecessary.

Copyright 2007 Software 2000 Ltd.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48169 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/trackingrectmanager.h

@@ -23,6 +23,7 @@ public:
     wxCocoaTrackingRectManager(wxWindow *window);
     void ClearTrackingRect();
     void BuildTrackingRect();
+    void RebuildTrackingRectIfNeeded();
     void RebuildTrackingRect();
     bool IsOwnerOfEvent(NSEvent *anEvent);
     ~wxCocoaTrackingRectManager();
@@ -32,6 +33,7 @@ protected:
     wxWindow *m_window;
     bool m_isTrackingRectActive;
     int m_trackingRectTag;
+    NSRect m_trackingRectInWindowCoordinates;
 private:
     wxCocoaTrackingRectManager();
 };