Make wxMDIParentFrame a regular top level window

- Override DoGetClientSize for wxMDIClientWindow instead of wxMDIParentFrame
- Do not override OnSize for wxMDIParentFrame


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21075 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/mdi.h

@@ -54,17 +54,11 @@ public:
            long style = wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL,
            const wxString& name = wxFrameNameStr);
 
-  void OnSize(wxSizeEvent& event);
   void OnActivate(wxActivateEvent& event);
   void OnSysColourChanged(wxSysColourChangedEvent& event);
 
   void SetMenuBar(wxMenuBar *menu_bar);
 
-  // Gets the size available for subwindows after menu size, toolbar size
-  // and status bar size have been subtracted. If you want to manage your own
-  // toolbar(s), don't call SetToolBar.
-  void DoGetClientSize(int *width, int *height) const;
-
   // Get the active MDI child window (Windows only)
   wxMDIChildFrame *GetActiveChild() const ;
 
@@ -162,6 +156,11 @@ class WXDLLEXPORT wxMDIClientWindow: public wxWindow
   // Note: this is virtual, to allow overridden behaviour.
   virtual bool CreateClient(wxMDIParentFrame *parent, long style = wxVSCROLL | wxHSCROLL);
 
+  // Gets the size available for subwindows after menu size, toolbar size
+  // and status bar size have been subtracted. If you want to manage your own
+  // toolbar(s), don't call SetToolBar.
+  void DoGetClientSize(int *width, int *height) const;
+
   // Explicitly call default scroll behaviour
   void OnScroll(wxScrollEvent& event);