X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpanel.h;h=ab83de078bc17f595f8089112610c3f72fd8cb41;hb=103ceeace366c6d80fce323438b31b9bbc167915;hp=7a94dcd0fdb5f02f8778afaebf1c6b298a2de418;hpb=c1f038acb91eb3bfaa34dfd4729d19ed3f871a42;p=libs%2Fgltk.git

diff --git a/source/panel.h b/source/panel.h
index 7a94dcd..ab83de0 100644
--- a/source/panel.h
+++ b/source/panel.h
@@ -1,30 +1,136 @@
 #ifndef MSP_GLTK_PANEL_H_
 #define MSP_GLTK_PANEL_H_
 
-#include "widget.h"
+#include <msp/core/typeregistry.h>
+#include "container.h"
+#include "layout.h"
+#include "mspgltk_api.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 MSPGLTK_API Panel: public Container
 {
 public:
-	Panel(const Resources &);
-	~Panel();
-	void add(Widget &);
+	class Loader: public DataFile::DerivedObjectLoader<Panel, Widget::Loader>
+	{
+	public:
+		typedef std::map<std::string, Widget *> WidgetMap;
+
+	protected:
+		template<typename T>
+		struct AddChildType
+		{
+			void operator()(const std::string &, Loader &) const;
+		};
+
+		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(std::size_t);
+		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 &);
+	};
+
+protected:
+	std::vector<Widget *> nav_order;
+	Layout *layout = nullptr;
+
+	static TypeRegistry<Loader::AddChildType, Loader &> widget_registry;
+	static bool widget_registry_init_done;
+
+public:
+	Panel();
+	virtual ~Panel();
+
+	template<typename T>
+	static void register_child_type(const std::string &);
+
+	const char *get_class() const override { return "panel"; }
+
+	void set_layout(Layout *);
+	Layout *get_layout() { return layout; }
 
-	ChildSeq children;
+protected:
+	void autosize_special(const Part &, Geometry &) const override;
+	void render_special(const Part &, GL::Renderer &) const override;
 
-	Panel(const Panel &);
-	Panel &operator=(const Panel &);
-	const char *get_class() const { return "panel"; }
-	void render_part(const Part &) const;
-	void on_button_press(int, int, unsigned);
-	void on_button_release(int, int, unsigned);
+public:
+	bool navigate(Navigation) override;
+protected:
+	Widget *find_next_child(int, int, int, int, int) const;
+	static int compute_delta(int, int, int, int, int);
+
+	void on_size_change() override;
+	void on_child_added(Widget &) override;
+	void on_child_removed(Widget &) override;
 };
 
+
+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>::operator()(const std::string &kwd, Loader &ldr) const
+{
+	ldr.add(kwd, &Loader::child<T>);
+	ldr.add(kwd, &Loader::unnamed_child<T>);
+}
+
 } // namespace GLtk
 } // namespace Msp