+ // common part of all ctors
+ void Init();
+
+ // overridden wxWindow methods
+ virtual void DoFreeze();
+ virtual void DoThaw();
+
+ // get the vertical adjustment, if any, NULL otherwise
+ GtkAdjustment *GetVAdj() const;
+
+ // scroll the control by the given number of pixels, return true if the
+ // scroll position changed
+ bool DoScroll(GtkAdjustment *adj, int diff);
+
+ // Widgets that use the style->base colour for the BG colour should
+ // override this and return true.
+ virtual bool UseGTKStyleBase() const { return true; }
+
+ virtual void DoSetValue(const wxString &value, int flags = 0);
+ virtual wxString DoGetValue() const;
+