tracking open modal dialogs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64068 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/dialog.h

@@ -61,6 +61,10 @@ public:
 
     // may be called to terminate the dialog with the given return code
     virtual void EndModal(int retCode);
+    
+    static bool OSXHasModalDialogsOpen();
+    static void OSXBeginModalDialog();
+    static void OSXEndModalDialog();
 
     // implementation
     // --------------