X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.h;h=64db74e85a15d4b7f4a06fe5577a29140048966d;hb=73afd124ab87e8bace98db55517a56c797a9b8c7;hp=255f0425bcc719f3161ccb32e8aaa3b75888d1e5;hpb=c2635c5a3dca6a6cea5562fd387beb0662b18cf0;p=libs%2Fgltk.git

diff --git a/source/widget.h b/source/widget.h
index 255f042..64db74e 100644
--- a/source/widget.h
+++ b/source/widget.h
@@ -1,7 +1,7 @@
 /* $Id$
 
 This file is part of libmspgltk
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2011  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
@@ -9,12 +9,14 @@ Distributed under the LGPL
 #define MSP_GLTK_WIDGET_H_
 
 #include <string>
+#include <msp/datafile/objectloader.h>
 #include "geometry.h"
 #include "state.h"
 
 namespace Msp {
 namespace GLtk {
 
+class Container;
 class Part;
 class Resources;
 class Style;
@@ -25,70 +27,100 @@ constructor, because it can't be done correctly in the Widget constructor.
 */
 class Widget
 {
+	friend class Container;
+
 public:
-	class Loader: public Msp::DataFile::Loader
+	class Loader: public DataFile::ObjectLoader<Widget>
 	{
-	protected:
-		Widget &wdg;
-
 	public:
 		Loader(Widget &);
-		Widget &get_object() const { return wdg; }
 	private:
 		void position(int, int);
 		void size(unsigned, unsigned);
 		void style(const std::string &);
 	};
 
+	sigc::signal<void, bool> signal_visibility_changed;
+	sigc::signal<void> signal_request_focus;
+	sigc::signal<void> signal_grab_pointer;
+	sigc::signal<void> signal_ungrab_pointer;
+
 protected:
-	const Resources &res;
 	Geometry geom;
 	std::string style_name;
 	const Style *style;
 	State state;
 	bool visible;
+	bool focusable;
+	Container *parent;
+	std::string tooltip;
 
-	Widget(const Resources &);
+	Widget();
 public:
-	virtual ~Widget() { }
+	virtual ~Widget();
+
+	/**
+	Returns the name of the widget class.  Used for style lookup.
+	*/
+	virtual const char *get_class() const { return "widget"; }
+
 	void set_position(int, int);
 	void set_size(unsigned, unsigned);
+	virtual void autosize() { }
 	void set_geometry(const Geometry &);
+	const Geometry &get_geometry() const { return geom; }
 
+protected:
+	/**
+	Sets the widget's parent Container.  The widget must be unparented when
+	calling this function with a non-null parameter.
+	*/
+	void set_parent(Container *);
+
+public:
 	/**
 	Sets the widget style.  The final style name is constructed by concatenating
 	the widget class and the style name with a dash.
 	*/
 	void set_style(const std::string &);
+	const Style &get_style() const { return *style; }
 
-	const Geometry &get_geometry() const { return geom; }
+protected:
+	/**
+	Gets a style object from the resource collection based on the class and
+	style names of the widget.
+	*/
+	void update_style();
+
+public:
+	void set_tooltip(const std::string &);
+	const std::string &get_tooltip() const { return tooltip; }
+
+	void set_visible(bool);
 	bool is_visible() const { return visible; }
+	void set_focusable(bool);
+	bool is_focusable() const { return focusable; }
+	void set_focus();
 
 	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
 	virtual void button_press(int, int, unsigned) { }
 	virtual void button_release(int, int, unsigned) { }
 	virtual void pointer_motion(int, int) { }
-	virtual void pointer_enter() { }
-	virtual void pointer_leave() { }
+	virtual void pointer_enter();
+	virtual void pointer_leave();
 	virtual void key_press(unsigned, unsigned, wchar_t) { }
 	virtual void key_release(unsigned, unsigned) { }
-	virtual void focus_in() { }
-	virtual void focus_out() { }
-
+	virtual void focus_in();
+	virtual void focus_out();
 protected:
-	/**
-	Returns the name of the widget class.  Used for style lookup.
-	*/
-	virtual const char *get_class() const { return "widget"; }
-
-	void update_style();
+	virtual void on_geometry_change() { }
+	virtual void on_style_change() { }
+	virtual void on_reparent() { }
 };
 
 } // namespace GLtk