3 This file is part of libmspgltk
4 Copyright © 2007-2011 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
8 #ifndef MSP_GLTK_WIDGET_H_
9 #define MSP_GLTK_WIDGET_H_
24 Base class for all widgets. Derived classes should call update_style in
25 constructor, because it can't be done correctly in the Widget constructor.
29 friend class Container;
32 class Loader: public Msp::DataFile::Loader
39 Widget &get_object() const { return wdg; }
41 void position(int, int);
42 void size(unsigned, unsigned);
43 void style(const std::string &);
46 sigc::signal<void, bool> signal_visibility_changed;
47 sigc::signal<void> signal_request_focus;
48 sigc::signal<void> signal_grab_pointer;
49 sigc::signal<void> signal_ungrab_pointer;
53 std::string style_name;
66 Returns the name of the widget class. Used for style lookup.
68 virtual const char *get_class() const { return "widget"; }
70 void set_position(int, int);
71 void set_size(unsigned, unsigned);
72 virtual void autosize() { }
73 void set_geometry(const Geometry &);
74 const Geometry &get_geometry() const { return geom; }
78 Sets the widget's parent Container. The widget must be unparented when
79 calling this function with a non-null parameter.
81 void set_parent(Container *);
85 Sets the widget style. The final style name is constructed by concatenating
86 the widget class and the style name with a dash.
88 void set_style(const std::string &);
89 const Style &get_style() const { return *style; }
93 Gets a style object from the resource collection based on the class and
94 style names of the widget.
99 void set_tooltip(const std::string &);
100 const std::string &get_tooltip() const { return tooltip; }
102 void set_visible(bool);
103 bool is_visible() const { return visible; }
104 void set_focusable(bool);
105 bool is_focusable() const { return focusable; }
110 virtual void render_special(const Part &) const { }
114 virtual void button_press(int, int, unsigned) { }
115 virtual void button_release(int, int, unsigned) { }
116 virtual void pointer_motion(int, int) { }
117 virtual void pointer_enter();
118 virtual void pointer_leave();
119 virtual void key_press(unsigned, unsigned, wchar_t) { }
120 virtual void key_release(unsigned, unsigned) { }
121 virtual void focus_in();
122 virtual void focus_out();
124 virtual void on_geometry_change() { }
125 virtual void on_style_change() { }
126 virtual void on_reparent() { }