1 #ifndef MSP_GLTK_CONTAINER_H_
2 #define MSP_GLTK_CONTAINER_H_
6 #include <sigc++/trackable.h>
12 class hierarchy_error: public std::logic_error
15 hierarchy_error(const std::string &);
16 virtual ~hierarchy_error() throw() { }
20 class Container: virtual public Widget
23 struct Child: public sigc::trackable
28 Child(Container &, Widget *);
31 void visibility_changed(bool);
34 void ungrab_pointer();
37 std::list<Child *> children;
39 unsigned click_button;
40 Widget *pointer_focus;
49 void remove(Widget &);
51 virtual Child *create_child(Widget *);
53 std::list<Widget *> get_children() const;
54 Widget *get_child_at(int, int);
55 Widget *get_descendant_at(int, int);
59 void set_pointer_focus(Widget *);
60 void set_input_focus(Widget *);
62 Widget *get_input_focus() const { return input_focus; }
63 Widget *get_final_input_focus() const;
65 virtual void button_press(int, int, unsigned);
66 virtual void button_release(int, int, unsigned);
67 virtual void pointer_motion(int, int);
68 virtual void pointer_leave();
69 virtual void key_press(unsigned, unsigned);
70 virtual void key_release(unsigned, unsigned);
71 virtual void character(wchar_t);
72 virtual void focus_out();
74 virtual void on_reparent();
75 virtual void on_child_added(Widget &) { }
76 virtual void on_child_removed(Widget &) { }