+
+public:
+ void set_tooltip(const std::string &);
+ const std::string &get_tooltip() const { return tooltip; }
+
+ void set_visible(bool);
+ bool is_visible() const { return visible; }
+ void set_focusable(bool);
+ bool is_focusable() const { return focusable; }
+ void set_focus();
+
+protected:
+ void set_state(State s) { set_state(s, s); }
+ void clear_state(State s) { set_state(s, NORMAL); }
+ void set_state(State, State);
+
+ void rebuild();
+ virtual void rebuild_special(const Part &, CachedPart &) { }
+
+public:
+ void render(GL::Renderer &) const;
+protected:
+ virtual void render_special(const Part &, GL::Renderer &) const { }
+
+public:
+ // Events
+ virtual void button_press(int, int, unsigned) { }
+ virtual void button_release(int, int, unsigned) { }
+ virtual void pointer_motion(int, int) { }
+ virtual void pointer_enter();
+ virtual void pointer_leave();
+ virtual void key_press(unsigned, unsigned) { }
+ virtual void key_release(unsigned, unsigned) { }
+ virtual void character(wchar_t) { }
+ virtual void focus_in();
+ virtual void focus_out();
+protected:
+ virtual void on_geometry_change() { }
+ virtual void on_style_change() { }
+ virtual void on_reparent() { }