derive wxSTC from wxTextEntryBase to provide even more wxTextCtrl-like methods (see #9114)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54226 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/stc/gen_iface.py

@@ -483,9 +483,9 @@ methodOverrideMap = {
 
     'GetText' :
     (0,
-     'wxString %s();',
+     'wxString %s() const;',
 
-     '''wxString %s() {
+     '''wxString %s() const {
          int len  = GetTextLength();
          wxMemoryBuffer mbuf(len+1);   // leave room for the null...
          char* buf = (char*)mbuf.GetWriteBuf(len+1);
@@ -663,6 +663,8 @@ constNonGetterMethods = set((
     'LineFromPosition',
     'PositionFromLine',
     'LineLength',
+    'CanRedo',
+    'CanUndo',
 ))
 
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