X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpanel.h;h=3061032789574f168c2bb2933f787d4f439c1284;hb=HEAD;hp=bf17829c101449747c07a23d61170811dcb08d4c;hpb=e7bc29984e91ee36555d6a4e4eece22170d10ba4;p=libs%2Fgltk.git

diff --git a/source/panel.h b/source/panel.h
index bf17829..3061032 100644
--- a/source/panel.h
+++ b/source/panel.h
@@ -1,53 +1,135 @@
 #ifndef MSP_GLTK_PANEL_H_
 #define MSP_GLTK_PANEL_H_
 
-#include "widget.h"
+#include <memory>
+#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:
-	class Loader: public Widget::Loader
+	class Loader: public DataFile::DerivedObjectLoader<Panel, Widget::Loader>
 	{
-	private:
-		Panel &panel;
-		std::map<std::string, Widget *> &wdg_map;
-	
 	public:
-		Loader(Panel &, std::map<std::string, Widget *> &);
+		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:
+		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();
 
-	Panel(const Resources &);
-	~Panel();
+		friend class 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();
 private:
-	typedef std::list<Widget *> ChildSeq;
-
-	ChildSeq children;
-	Widget *pointer_focus;
-	unsigned pointer_grab;
-	Widget *input_focus;
-
-	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 *);
+	template<typename T>
+	class ArrangedLoader: public DataFile::Loader
+	{
+	private:
+		typename T::Loader arr_loader;
+
+	public:
+		ArrangedLoader(Loader &, T &);
+	};
+
+protected:
+	std::vector<Widget *> nav_order;
+	std::unique_ptr<Layout> layout;
+
+	static TypeRegistry<Loader::AddChildType, Loader &> widget_registry;
+	static bool widget_registry_init_done;
+
+public:
+	Panel();
+
+	template<typename T>
+	static void register_child_type(const std::string &);
+
+	const char *get_class() const override { return "panel"; }
+
+	Layout &get_or_create_layout();
+
+protected:
+	void autosize_special(const Part &, Geometry &) const override;
+	void render_special(const Part &, GL::Renderer &) const override;
+
+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()
+{
+	std::unique_ptr<T> chl = std::make_unique<T>();
+	load_sub(*chl);
+	Widget *wdg = chl.get();
+	obj.add(move(chl));
+	last_widget = wdg;
+}
+
+
+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