Added some missing wxTextCtrl functions: Undo, Redo, CanUndo, CanRedo,

CanCopy, CanCut, CanPaste, GetSelection, IsEditable.
Also added wxNotebook::SetTabSize (only implemented on wxMSW but necessary
when using just an icon).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2054 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/textctrl.h

@@ -100,6 +100,22 @@ class wxTextCtrl: public wxControl
     void Paste();
     void Clear();
 
+    virtual bool CanCopy() const;
+    virtual bool CanCut() const;
+    virtual bool CanPaste() const;
+
+    // Undo/redo
+    virtual void Undo();
+    virtual void Redo();
+
+    virtual bool CanUndo() const;
+    virtual bool CanRedo() const;
+
+    // If the return values from and to are the same, there is no
+    // selection.
+    virtual void GetSelection(long* from, long* to) const;
+    virtual bool IsEditable() const ;
+
     void OnChar( wxKeyEvent &event );
 
 #ifndef NO_TEXT_WINDOW_STREAM