Pass coordinates relative to the receiving widget's geometry

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

diff --git a/source/widget.h b/source/widget.h
index 6cb5e4a1bd670ae13bb930a6b06c9db7af887e40..a83cecc9bef8c14643cc4855faaeda1712ac603d 100644 (file)
--- a/source/widget.h
+++ b/source/widget.h
@@ -63,14 +63,16 @@ public:
        */
        void set_style(const std::string &);
 
+       void set_visible(bool);
+
        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
@@ -98,7 +100,7 @@ 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 +108,11 @@ 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