support for custom app controllers, override OSXCreateAppController in wxApp subclass

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72999 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/app.h

@@ -83,14 +83,21 @@ public:
     // TODO change semantics to be in line with cocoa (make autrelease NOT increase the count)
     void                  MacAddToAutorelease( void* cfrefobj );
     void                  MacReleaseAutoreleasePool();
+    
 public:
     static wxWindow*      s_captureWindow ;
     static long           s_lastModifiers ;
 
     int                   m_nCmdShow;
 
-private:
     // mac specifics
+protected:
+#if wxOSX_USE_COCOA
+    // override for support of custom app controllers
+    virtual WX_NSObject   OSXCreateAppController();
+#endif
+    
+private:
     virtual bool        DoInitGui();
     virtual void        DoCleanUp();