ignore iconized state when computing client size for GetBestSize(), fixes #11803

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63750 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/toplevel.h

@@ -16,6 +16,7 @@
 
 class WXDLLIMPEXP_CORE wxTopLevelWindowGTK : public wxTopLevelWindowBase
 {
+    typedef wxTopLevelWindowBase base_type;
 public:
     // construction
     wxTopLevelWindowGTK() { Init(); }
@@ -137,6 +138,7 @@ protected:
 
     virtual void DoSetClientSize(int width, int height);
     virtual void DoGetClientSize(int *width, int *height) const;
+    virtual wxSize DoGetBestSize() const;
 
     // string shown in the title bar
     wxString m_title;