- void button_press(int, int, unsigned);
- void button_release(int, int, unsigned);
- void pointer_enter();
- void pointer_leave();
+ void set_icon(const GL::Texture2D *);
+
+private:
+ virtual void rebuild_special(const Part &);
+
+public:
+ virtual void button_press(int, int, unsigned);
+ virtual void button_release(int, int, unsigned);
+ virtual void pointer_motion(int, int);
+ virtual bool navigate(Navigation);