Enable loading of widgets from datafiles (not implemented for all widgets yet)

[libs/gltk.git] / source / widget.h

diff --git a/source/widget.h b/source/widget.h
index f64e2ea08235c1a9f41e47059c813c3ce49acf30..79187f3b5e864bf40b77fdab827b93e676c3d38a 100644 (file)
--- a/source/widget.h
+++ b/source/widget.h
@@ -15,6 +15,19 @@ class Style;
 class Widget
 {
 public:
+       class Loader: public Msp::DataFile::Loader
+       {
+       protected:
+               Widget &wdg;
+
+       public:
+               Loader(Widget &);
+       private:
+               void position(int, int);
+               void size(unsigned, unsigned);
+               void style(const std::string &);
+       };
+
        virtual ~Widget() { }
        void set_position(int, int);
        void set_size(unsigned, unsigned);
@@ -22,9 +35,15 @@ public:
        void set_style(const std::string &);
        const Geometry &get_geometry() const { return geom; }
        void render() const;
-       bool button_press(int, int, unsigned);
-       bool button_release(int, int, unsigned);
-       bool pointer_motion(int, int);
+       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, wchar_t) { }
+       virtual void key_release(unsigned, unsigned) { }
+       virtual void focus_in() { }
+       virtual void focus_out() { }
 protected:
        const Resources &res;
        Geometry geom;
@@ -38,11 +57,6 @@ protected:
        virtual void render_part(const Part &) const;
        void render_graphic(const Part &) const;
        void render_text(const Part &, const std::string &) const;
-       virtual void on_button_press(int, int, unsigned) { }
-       virtual void on_button_release(int, int, unsigned) { }
-       virtual void on_pointer_motion(int, int, unsigned) { }
-       virtual void on_pointer_enter() { }
-       virtual void on_pointer_leave() { }
 };
 
 } // namespace GLtk