Tried to fix corrupted display of wxTextCtrl,

Corrected wxFileDialog's multiple file option.
  Corrected event mask for CaptureMouse(),
  Small change to "best visual" code.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5805 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/textctrl.h

@@ -112,6 +112,8 @@ public:
     virtual void SetSelection(long from, long to);
     virtual void SetEditable(bool editable);
 
+    virtual bool Enable( bool enable );
+
     // Implementation from now on
     void OnDropFiles( wxDropFilesEvent &event );
     void OnChar( wxKeyEvent &event );