allow dynamically changing most of text control styles in wxGTK

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43799 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/textctrl.h

@@ -115,6 +115,8 @@ public:
     virtual void SetSelection(long from, long to);
     virtual void SetEditable(bool editable);
 
+    // Overridden wxWindow methods
+    virtual void SetWindowStyleFlag( long style );
     virtual bool Enable( bool enable = true );
 
     // Implementation from now on
@@ -190,6 +192,14 @@ protected:
 
     virtual void DoSetValue(const wxString &value, int flags = 0);
 
+    // wrappers hiding the differences between functions doing the same thing
+    // for GtkTextView and GtkEntry (all of them use current window style to
+    // set the given characteristic)
+    void GTKSetEditable();
+    void GTKSetVisibility();
+    void GTKSetWrapMode();
+    void GTKSetJustification();
+
 private:
     // change the font for everything in this control
     void ChangeFontGlobally();