From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 22 Nov 2007 15:27:08 +0000 (+0000)
Subject: Support loading Panels from datafiles
X-Git-Tag: 0.9~27
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgltk.git;a=commitdiff_plain;h=b23464cda4e4f2c7b69b18549f18c2c893c3fe2d

Support loading Panels from datafiles
Refactor the Panel focus logic
Add visibility property to widgets
---

diff --git a/source/panel.cpp b/source/panel.cpp
index c93d430..efe857e 100644
--- a/source/panel.cpp
+++ b/source/panel.cpp
@@ -29,13 +29,12 @@ void Panel::button_press(int x, int y, unsigned btn)
 		pointer_focus->button_press(x-geom.x, y-geom.y, btn);
 	else if(geom.is_inside(x, y))
 	{
-		for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-			if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-			{
-				(*i)->button_press(x-geom.x, y-geom.y, btn);
-				pointer_grab=btn;
-				set_input_focus(*i);
-			}
+		if(Widget *wdg=get_child_at(x, y))
+		{
+			wdg->button_press(x-geom.x, y-geom.y, btn);
+			pointer_grab=btn;
+			set_input_focus(wdg);
+		}
 	}
 }
 
@@ -49,19 +48,13 @@ void Panel::button_release(int x, int y, unsigned btn)
 		{
 			pointer_grab=0;
 
-			for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-				if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-				{
-					set_pointer_focus(*i);
-					break;
-				}
+			set_pointer_focus(get_child_at(x, y));
 		}
 	}
 	else if(geom.is_inside(x, y))
 	{
-		for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-			if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-				(*i)->button_release(x-geom.x, y-geom.y, btn);
+		if(Widget *wdg=get_child_at(x, y))
+			wdg->button_release(x-geom.x, y-geom.y, btn);
 	}
 }
 
@@ -71,17 +64,10 @@ void Panel::pointer_motion(int x, int y)
 		pointer_focus->pointer_motion(x-geom.x, y-geom.y);
 	else if(geom.is_inside(x, y))
 	{
-		bool found=false;
-		for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-			if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-			{
-				set_pointer_focus(*i);
-				(*i)->pointer_motion(x-geom.x, y-geom.y);
-				found=true;
-			}
-
-		if(!found)
-			set_pointer_focus(0);
+		Widget *wdg=get_child_at(x, y);
+		set_pointer_focus(wdg);
+		if(wdg)
+			wdg->pointer_motion(x-geom.x, y-geom.y);
 	}
 }
 
@@ -112,7 +98,8 @@ void Panel::render_part(const Part &part) const
 	if(part.get_name()=="children")
 	{
 		for(ChildSeq::const_iterator i=children.begin(); i!=children.end(); ++i)
-			(*i)->render();
+			if((*i)->is_visible())
+				(*i)->render();
 	}
 	else
 		Widget::render_part(part);
@@ -146,23 +133,41 @@ void Panel::set_input_focus(Widget *wdg)
 	}
 }
 
+Widget *Panel::get_child_at(int x, int y)
+{
+	for(ChildSeq::reverse_iterator i=children.rbegin(); i!=children.rend(); ++i)
+		if((*i)->is_visible() && (*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
+			return *i;
+
+	return 0;
+}
+
 
 Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
 	Widget::Loader(p),
-	panel(p),
+	pnl(p),
 	wdg_map(m)
 {
 	add("label", &Loader::child<Label>);
+	add("panel", &Loader::panel);
 }
 
 template<typename T>
 void Panel::Loader::child(const string &n)
 {
-	RefPtr<T> chl=new T(panel.res);
+	RefPtr<T> chl=new T(pnl.res);
 	load_sub(*chl);
-	panel.add(*chl.get());
+	pnl.add(*chl.get());
 	wdg_map[n]=chl.release();
 }
 
+void Panel::Loader::panel(const string &n)
+{
+	RefPtr<Panel> p=new Panel(pnl.res);
+	load_sub(*p, wdg_map);
+	pnl.add(*p.get());
+	wdg_map[n]=p.release();
+}
+
 } // namespace GLtk
 } // namespace Msp
diff --git a/source/panel.h b/source/panel.h
index bf17829..d922a99 100644
--- a/source/panel.h
+++ b/source/panel.h
@@ -12,7 +12,7 @@ public:
 	class Loader: public Widget::Loader
 	{
 	private:
-		Panel &panel;
+		Panel &pnl;
 		std::map<std::string, Widget *> &wdg_map;
 	
 	public:
@@ -20,6 +20,7 @@ public:
 	private:
 		template<typename T>
 		void child(const std::string &);
+		void panel(const std::string &);
 	};
 
 	Panel(const Resources &);
@@ -46,6 +47,7 @@ private:
 	void render_part(const Part &) const;
 	void set_pointer_focus(Widget *);
 	void set_input_focus(Widget *);
+	Widget *get_child_at(int, int);
 };
 
 } // namespace GLtk
diff --git a/source/widget.cpp b/source/widget.cpp
index 8674a13..e1538de 100644
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -47,7 +47,8 @@ void Widget::render() const
 Widget::Widget(const Resources &r):
 	res(r),
 	style(0),
-	state(NORMAL)
+	state(NORMAL),
+	visible(true)
 { }
 
 void Widget::update_style()
@@ -100,6 +101,7 @@ Widget::Loader::Loader(Widget &w):
 	add("position", &Loader::position);
 	add("size",     &Loader::size);
 	add("style",    &Loader::style);
+	add("visible",  &Widget::visible);
 }
 
 void Widget::Loader::position(int x, int y)
diff --git a/source/widget.h b/source/widget.h
index 79187f3..557df43 100644
--- a/source/widget.h
+++ b/source/widget.h
@@ -22,6 +22,7 @@ public:
 
 	public:
 		Loader(Widget &);
+		Widget &get_object() const { return wdg; }
 	private:
 		void position(int, int);
 		void size(unsigned, unsigned);
@@ -34,6 +35,7 @@ public:
 	void set_geometry(const Geometry &);
 	void set_style(const std::string &);
 	const Geometry &get_geometry() const { return geom; }
+	bool is_visible() const { return visible; }
 	void render() const;
 	virtual void button_press(int, int, unsigned) { }
 	virtual void button_release(int, int, unsigned) { }
@@ -50,6 +52,7 @@ protected:
 	std::string style_name;
 	const Style *style;
 	State state;
+	bool visible;
 
 	Widget(const Resources &);
 	virtual const char *get_class() const { return "widget"; }