Make SetMinSize() and SetMaxSize() virtual so they

can be overridden in wxTLW to set WM hints.
  Actually did that for wxGTK, nothing required for
    wxMSW, no idea about wxMac.
  Documented this in tlw.tex.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42718 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/toplevel.cpp

@@ -958,6 +958,16 @@ void wxTopLevelWindowGTK::DoSetClientSize( int width, int height )
               width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle, 0);
 }
 
+void wxTopLevelWindowGTK::SetMinSize(const wxSize& minSize)
+{
+    SetSizeHints( minSize.x, minSize.y, GetMaxWidth(), GetMaxHeight() );    
+}
+
+void wxTopLevelWindowGTK::SetMaxSize(const wxSize& maxSize)
+{
+    SetSizeHints( GetMinWidth(), GetMinHeight(), maxSize.x, maxSize.y );
+}
+
 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
                                           int maxW, int maxH,
                                           int incW, int incH )