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 *);
52 Geometry determine_child_geometry(const Widget &, const Part &) const;
53 void autosize_child(const Widget &, const Part &, Geometry &) const;
54 void reposition_child(Widget &, const Part &) const;
56 std::list<Widget *> get_children() const;
57 Widget *get_child_at(int, int);
58 Widget *get_descendant_at(int, int);
62 void set_pointer_focus(Widget *);
63 void set_input_focus(Widget *);
65 Widget *get_input_focus() const { return input_focus; }
66 Widget *get_final_input_focus() const;
68 virtual void button_press(int, int, unsigned);
69 virtual void button_release(int, int, unsigned);
70 virtual void pointer_motion(int, int);
72 Widget *get_pointer_target(int, int);
74 virtual void pointer_leave();
75 virtual void key_press(unsigned, unsigned);
76 virtual void key_release(unsigned, unsigned);
77 virtual void character(wchar_t);
78 virtual void focus_out();
80 virtual void on_reparent();
81 virtual void on_child_added(Widget &) { }
82 virtual void on_child_removed(Widget &) { }