Rename Widget::on_geometry_change to on_size_change

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

diff --git a/source/panel.h b/source/panel.h
index ee2859c1e12423ab0fd6dc009cae09e6868f80f6..9d969ff4e5f6ddc7d4cd62ac01e9a67e5f17fb92 100644 (file)
--- a/source/panel.h
+++ b/source/panel.h
@@ -1,6 +1,7 @@
 #ifndef MSP_GLTK_PANEL_H_
 #define MSP_GLTK_PANEL_H_
 
+#include <msp/datafile/loadabletyperegistry.h>
 #include "container.h"
 #include "layout.h"
 
@@ -21,11 +22,18 @@ public:
                typedef std::map<std::string, Widget *> WidgetMap;
 
        protected:
+               template<typename T>
+               struct AddChildType
+               {
+                       static void add(Loader &, const std::string &);
+               };
+
                WidgetMap &wdg_map;
                Widget *last_widget;
-       
+
        public:
                Loader(Panel &, WidgetMap &);
+
        private:
                Layout &get_layout();
                Widget &get_last_widget();
@@ -39,7 +47,10 @@ public:
                void gravity(int, int);
                void grid(unsigned);
                void layout();
-               void panel(const std::string &);
+               template<typename T>
+               void unnamed_child();
+
+               friend class Panel;
        };
 
 private:
@@ -54,27 +65,73 @@ private:
        };
 
 protected:
+       std::vector<Widget *> nav_order;
        Layout *layout;
 
+       static DataFile::LoadableTypeRegistry<Loader, Loader::AddChildType> widget_registry;
+       static bool widget_registry_init_done;
+
        Panel(const Panel &);
        Panel &operator=(const Panel &);
 public:
        Panel();
        virtual ~Panel();
 
+       template<typename T>
+       static void register_child_type(const std::string &);
+
        virtual const char *get_class() const { return "panel"; }
 
        void set_layout(Layout *);
-       virtual void autosize();
+       Layout *get_layout() { return layout; }
 
 protected:
+       virtual void autosize_special(const Part &, Geometry &) const;
        virtual void render_special(const Part &, GL::Renderer &) const;
 
-       virtual void on_geometry_change();
+public:
+       virtual bool navigate(Navigation);
+protected:
+       Widget *find_next_child(int, int, int, int, int) const;
+       static int compute_delta(int, int, int, int, int);
+
+       virtual void on_size_change();
        virtual void on_child_added(Widget &);
        virtual void on_child_removed(Widget &);
 };
 
+
+template<typename T>
+void Panel::register_child_type(const std::string &name)
+{
+       widget_registry.register_type<T>(name);
+}
+
+
+template<typename T>
+void Panel::Loader::child(const std::string &n)
+{
+       unnamed_child<T>();
+       wdg_map[n] = last_widget;
+}
+
+template<typename T>
+void Panel::Loader::unnamed_child()
+{
+       RefPtr<T> chl = new T();
+       load_sub(*chl);
+       obj.add(*chl.get());
+       last_widget = chl.release();
+}
+
+
+template<typename T>
+void Panel::Loader::AddChildType<T>::add(Loader &ldr, const std::string &kwd)
+{
+       ldr.add(kwd, &Loader::child<T>);
+       ldr.add(kwd, &Loader::unnamed_child<T>);
+}
+
 } // namespace GLtk
 } // namespace Msp