Added IsTopLevel() as a virtual function.

Added fontenum.hto filelist.txt,
  Changed window positioning code again,
  some more related things.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4372 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/motif/frame.h

@@ -78,6 +78,8 @@ public:
     void SetTitle(const wxString& title);
     wxString GetTitle() const { return m_title; }
 
+    virtual bool IsTopLevel() const { return TRUE; }
+    
     void Centre(int direction = wxBOTH);
 
     // Call this to simulate a menu command