Add Widget::set_focus

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

diff --git a/source/widget.h b/source/widget.h
index 6cb5e4a1bd670ae13bb930a6b06c9db7af887e40..86638149c8640bdf57b95715cb5cab4b06fc6e25 100644 (file)
--- a/source/widget.h
+++ b/source/widget.h
@@ -63,26 +63,29 @@ public:
        */
        void set_style(const std::string &);
 
+       void set_visible(bool);
+       void set_focus();
+
        const Geometry &get_geometry() const { return geom; }
        bool is_visible() const { return visible; }
 
        void render() const;
 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 render_special(const Part &) 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 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() { }
+       virtual void focus_in();
+       virtual void focus_out();
 
 protected:
        /**
@@ -98,7 +101,7 @@ protected:
 
        /**
        Sets the widget's parent Panel.  The widget must be unparented when calling
-       this function.
+       this function with a nonzero parameter.
        */
        void set_parent(Panel *);
 
@@ -106,6 +109,11 @@ protected:
        A helper function to set the parent of another widget.
        */
        void set_parent(Widget &, Panel *);
+
+       // More events
+       virtual void on_geometry_change() { }
+       virtual void on_style_change() { }
+       virtual void on_reparent() { }
 };
 
 } // namespace GLtk