X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpanel.h;h=9d969ff4e5f6ddc7d4cd62ac01e9a67e5f17fb92;hb=7286d604956ddffcbfa2df6567de866f3d5df3a2;hp=2fa7d8f88944480757d1676eeb8ac18a514503d5;hpb=68c4aa0eaaade8b163cf9b3a96aa640ea16b1def;p=libs%2Fgltk.git

diff --git a/source/panel.h b/source/panel.h
index 2fa7d8f..9d969ff 100644
--- a/source/panel.h
+++ b/source/panel.h
@@ -1,40 +1,137 @@
 #ifndef MSP_GLTK_PANEL_H_
 #define MSP_GLTK_PANEL_H_
 
-#include "widget.h"
+#include <msp/datafile/loadabletyperegistry.h>
+#include "container.h"
+#include "layout.h"
 
 namespace Msp {
 namespace GLtk {
 
-class Panel: public Widget
+/**
+Panels are containers for other widgets.  Panel styles should have a special
+part "children" to render the child widgets.  All properties of this part are
+ignored.
+*/
+class Panel: public Container
 {
 public:
-	Panel(const Resources &);
-	~Panel();
-
-	void add(Widget &);
-	void button_press(int, int, unsigned);
-	void button_release(int, int, unsigned);
-	void pointer_motion(int, int);
-	void key_press(unsigned, unsigned, wchar_t);
-	void key_release(unsigned, unsigned);
-	void focus_out();
+	class Loader: public DataFile::DerivedObjectLoader<Panel, Widget::Loader>
+	{
+	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();
+		template<typename T>
+		void arrangement();
+		template<typename T>
+		void child(const std::string &);
+		void constraint(Layout::ConstraintType, const std::string &);
+		void expand(bool, bool);
+		void ghost(bool);
+		void gravity(int, int);
+		void grid(unsigned);
+		void layout();
+		template<typename T>
+		void unnamed_child();
+
+		friend class Panel;
+	};
+
 private:
-	typedef std::list<Widget *> ChildSeq;
+	template<typename T>
+	class ArrangedLoader: public DataFile::Loader
+	{
+	private:
+		typename T::Loader arr_loader;
+
+	public:
+		ArrangedLoader(Loader &, T &);
+	};
 
-	ChildSeq children;
-	Widget *pointer_focus;
-	unsigned pointer_grab;
-	Widget *input_focus;
+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 &);
-	const char *get_class() const { return "panel"; }
-	void render_part(const Part &) const;
-	void set_pointer_focus(Widget *);
-	void set_input_focus(Widget *);
+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 *);
+	Layout *get_layout() { return layout; }
+
+protected:
+	virtual void autosize_special(const Part &, Geometry &) const;
+	virtual void render_special(const Part &, GL::Renderer &) const;
+
+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