[seed] Pango Example: Begin a rewrite; this time, I'll actually finish it

[Tim Horton <hortont src gnome org>]

commit f62a02f9846886fafc13a1188b2d9e95f759ba68
Author: Tim Horton <hortont svn gnome org>
Date:   Sun May 10 18:03:02 2009 -0400

    Pango Example: Begin a rewrite; this time, I'll actually finish it
---
 examples/broken/pango.js |  194 -----------------------------------
 examples/pango.js        |  252 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 252 insertions(+), 194 deletions(-)

diff --git a/examples/broken/pango.js b/examples/broken/pango.js
deleted file mode 100755
index 4470018..0000000
--- a/examples/broken/pango.js
+++ /dev/null
@@ -1,194 +0,0 @@
-#!/usr/bin/env seed
-
-Seed.import_namespace("Clutter");
-Seed.import_namespace("Gtk");
-Seed.import_namespace("GtkClutter");
-Seed.import_namespace("Pango");
-Seed.import_namespace("PangoFT2");
-
-var current_actor;
-var font_list = new Array();
-
-Gtk.init(null, null);
-GtkClutter.init(null, null);
-
-function get_font_list()
-{
-    context = new Pango.Context();
-    description = Pango.FontDescription._new();
-    description.set_family("");
-
-    fontmap = new PangoFT2.FontMap();
-    fontset = fontmap.load_fontset(context, 
-			           description, 
-			           Pango.language_get_default());
-    fontset.foreach(
-		function(fontset, font)
-		{
-		    font_list.push(font.describe().to_string().replace(" 0", ""));
-		});
-	
-	font_list = font_list.sort();
-}
-
-function update_text(entry)
-{
-	current_actor.text = entry.text;
-}
-
-function update_font()
-{
-    current_actor.font_name = font_list[properties.font_combo.get_active()] + " " + parseFloat(properties.size_entry.text,10);
-}
-
-function add_actor()
-{
-    new pango_actor("Oh hi!", "DejaVu Serif 28");
-}
-
-function prop_editor()
-{
-	this.text = new Gtk.Entry();
-	this.text.signal.changed.connect(update_text);
-	
-	this.new_button = new Gtk.ToolButton({stock_id:"gtk-add"});
-	this.new_button.signal.clicked.connect(add_actor);
-	
-	this.font_combo = Gtk.ComboBox.new_text();
-	this.font_combo.signal.changed.connect(update_font);
-	for(var i in font_list)
-    {
-        this.font_combo.append_text(font_list[i]);
-    }
-    
-    this.size_entry = new Gtk.Entry();
-    this.size_entry.signal.activate.connect(update_font);
-	
-	this.hbox = new Gtk.HBox();
-	this.hbox.pack_start(this.text, true, true);
-	this.hbox.pack_start(this.font_combo, true, true);
-	this.hbox.pack_start(this.size_entry);
-	this.hbox.pack_start(this.new_button);
-}
-
-function clear_selected(stg, evt)
-{
-    if(stg.equals(stage.get_actor_at_pos(evt.get_x(), evt.get_y())))
-        select_actor(null);
-}
-
-function select_actor(actor)
-{
-    timeline.rewind();
-    
-    if(current_actor)
-        current_actor.opacity = 255;
-    
-    current_actor = actor;
-    
-    if(!current_actor)
-    {
-        // defaults
-        properties.text.text = "";
-        properties.font_combo.set_active(font_list.indexOf("DejaVu Sans"));
-        return;
-    }
-    
-    properties.text.text = actor.text;
-    var pfd = Pango.Font.description_from_string(actor.get_font_name());
-
-    properties.size_entry.text = pfd.to_string().match(new RegExp("[0-9]+$"),"");
-    properties.font_combo.set_active(font_list.indexOf(pfd.to_string().replace(new RegExp(" [0-9]+$"),"")));
-}
-
-function mouse_click(actor, evt)
-{
-	dx = evt.get_x() - actor.x;
-	dy = evt.get_y() - actor.y;
-	
-	select_actor(actor);
-
-	dragging = true;
-	
-	return true;
-}
-
-function mouse_release()
-{
-    dragging = false;
-}
-
-function mouse_moved(win, evt)
-{
-    if(!dragging)
-        return;
-    
-    current_actor.x = evt.get_x() - dx;
-    current_actor.y = evt.get_y() - dy;
-}
-
-function pango_actor(label, font)
-{
-    this.label = new Clutter.Label({text:label, font_name:font});
-    this.label.reactive = true;
-    this.label.signal.button_press_event.connect(mouse_click);
-    
-    stage.add_actor(this.label);
-}
-
-function pulser()
-{
-    timeline = new Clutter.Timeline({fps:30, num_frames:628, loop:true});
-
-    timeline.signal.new_frame.connect(function(timeline, frame_num)
-	{ current_actor.opacity = ((Math.sin(frame_num/7)+1) * 67) + 120; });
-
-    timeline.start();
-}
-
-function ui_setup()
-{
-    var window = new Gtk.Window();
-    window.signal.hide.connect(Gtk.main_quit);
-    var gtkstage = new GtkClutter.Embed();
-
-    properties = new prop_editor();
-    var vbox = new Gtk.VBox();
-    vbox.pack_start(gtkstage, true, true);
-    vbox.pack_start(properties.hbox);
-
-    window.resize(600,600);
-    window.add(vbox);
-    window.show_all();
-    
-    return gtkstage;
-}
-
-function pangotest_init()
-{
-    get_font_list();
-    
-    stage = ui_setup().get_stage();
-    
-    Clutter.set_motion_events_frequency(60);
-    
-    stage.signal.motion_event.connect(mouse_moved);
-    stage.signal.button_release_event.connect(mouse_release);
-    stage.signal.button_press_event.connect(clear_selected);
-    
-    pulser();
-    
-    create_default_actors();
-
-    stage.show_all();
-
-    Gtk.main();
-}
-
-function create_default_actors()
-{
-    select_actor((new pango_actor("Hello, world!", "DejaVu Sans 24")).label);
-    new pango_actor("Oh hi!", "DejaVu Serif 28");
-}
-
-pangotest_init();
diff --git a/examples/pango.js b/examples/pango.js
new file mode 100755
index 0000000..e11e866
--- /dev/null
+++ b/examples/pango.js
@@ -0,0 +1,252 @@
+#!/usr/bin/env seed
+
+imports.gi.versions.Clutter = "0.9";
+imports.gi.versions.GtkClutter = "0.9";
+
+Clutter = imports.gi.Clutter;
+Gtk = imports.gi.Gtk;
+GtkClutter = imports.gi.GtkClutter;
+Pango = imports.gi.Pango;
+PangoFT2 = imports.gi.PangoFT2;
+
+Gtk.init(null, null);
+GtkClutter.init(null, null);
+
+PangoWidget = new GType({
+	parent: Clutter.Text.type,
+	name: "PangoWidget",
+	init: function(klass)
+	{
+		// Private
+		
+		var widget_clicked = function (actor, event)
+		{
+			Seed.print(actor.text);
+			actor.set_selected(true);
+			return false;
+		};
+		
+		// Public
+		
+		this.set_selected = function (selected)
+		{
+			Seed.print(this);
+			if(selected)
+			{
+				this.opacity = 0.0;
+			}
+			else
+			{
+				this.opacity = 255.0;
+			}
+		};
+		
+		// Implementation
+		
+		this.text = "Hello, world!";
+		this.reactive = true;
+		this.signal.button_press_event.connect(widget_clicked);
+	}
+});
+
+ContainerWidget = new GType({
+	parent: GtkClutter.Embed.type,
+	name: "ContainerWidget",
+	init: function(klass)
+	{
+		
+	}
+});
+
+/*FontSelector = new GType({
+	parent: Gtk.ComboBox.type,
+	name: "FontSelector",
+	init: function(klass)
+	{
+		var font_list = [];
+		var context = new Pango.Context();
+		var description = new Pango.FontDescription.c_new();
+		description.set_family("");
+
+		var fontmap = new PangoFT2.FontMap();
+		var fontset = fontmap.load_fontset(context, 
+					       				   description, 
+					       				   Pango.language_get_default());
+		
+		fontset.foreach(function(fontset, font)
+		{
+			font_list.push(font.describe().to_string().replace(" 0", ""));
+		});
+	
+		font_list = font_list.sort();
+		
+		for(var i in font_list)
+		{
+		    this.append_text(font_list[i]);
+		}
+	}
+});*/
+
+PropertyEditor = new GType({
+	parent: Gtk.HBox.type,
+	name: "PropertyEditor",
+	init: function(klass)
+	{
+		// Private
+		var text = new Gtk.Entry();
+		var new_button = new Gtk.ToolButton({stock_id:"gtk-add"});
+		//var font_combo = new FontSelector.text();
+		var size_entry = new Gtk.Entry();
+		
+		var add_widget = function ()
+		{
+			stage.add_actor(new PangoWidget({text: "New Text...",
+    								 font_name: "DejaVu Sans 24"}));
+    		stage.show_all();
+		};
+		
+		//text.signal.changed.connect(update_text);
+		new_button.signal.clicked.connect(add_widget);
+		//font_combo.signal.changed.connect(update_font);
+		//size_entry.signal.activate.connect(update_font);
+
+		// Implementation
+		this.pack_start(text, true, true);
+		//this.pack_start(font_combo, true, true);
+		this.pack_start(size_entry);
+		this.pack_start(new_button);
+	}
+});
+
+function update_font()
+{
+    //current_actor.font_name = font_list[properties.font_combo.get_active()] + " " + parseFloat(properties.size_entry.text,10);
+}
+
+/*function clear_selected(stg, evt)
+{
+    if(stg.equals(stage.get_actor_at_pos(evt.x, evt.y)))
+        select_actor(null);
+}
+
+function select_actor(actor)
+{
+    timeline.rewind();
+    
+    if(current_actor)
+        current_actor.opacity = 255;
+    
+    current_actor = actor;
+    
+    if(!current_actor)
+    {
+        // defaults
+        properties.text.text = "";
+        properties.font_combo.set_active(font_list.indexOf("DejaVu Sans"));
+        return;
+    }
+    
+    properties.text.text = actor.text;
+    var pfd = Pango.Font.description_from_string(actor.get_font_name());
+
+    properties.size_entry.text = pfd.to_string().match(new RegExp("[0-9]+$"),"");
+    properties.font_combo.set_active(font_list.indexOf(pfd.to_string().replace(new RegExp(" [0-9]+$"),"")));
+}
+
+function mouse_click(actor, evt)
+{
+	dx = evt.mouse.x - actor.x;
+	dy = evt.mouse.y - actor.y;
+	
+	select_actor(actor);
+
+	dragging = true;
+	
+	return true;
+}
+
+function mouse_release()
+{
+    dragging = false;
+    
+    return false;
+}
+
+function mouse_moved(win, evt)
+{
+    if(!dragging)
+        return false;
+    
+    current_actor.x = evt.mouse.x - dx;
+    current_actor.y = evt.mouse.y - dy;
+    
+    return false;
+}
+
+function pango_actor(label, font)
+{
+    this.label = new Clutter.Text({text:label, font_name:font});
+    this.label.reactive = true;
+    this.label.signal.button_press_event.connect(mouse_click);
+    
+    stage.add_actor(this.label);
+}
+
+function pulser()
+{
+    timeline = new Clutter.Timeline({fps:30, num_frames:628, loop:true});
+
+    timeline.signal.new_frame.connect(function(timeline, frame_num)
+	{ current_actor.opacity = ((Math.sin(frame_num/7)+1) * 67) + 120; });
+
+    timeline.start();
+}*/
+
+function ui_setup()
+{
+    var window = new Gtk.Window();
+    window.signal.hide.connect(Gtk.main_quit);
+    
+    var gtkstage = new ContainerWidget();
+
+    properties = new PropertyEditor();
+    
+    var vbox = new Gtk.VBox();
+    vbox.pack_start(gtkstage, true, true);
+    vbox.pack_start(properties);
+
+    window.resize(600,600);
+    window.add(vbox);
+    window.show_all();
+    
+    return gtkstage;
+}
+
+function pangotest_init()
+{
+    stage = ui_setup().get_stage();
+    
+    Clutter.set_motion_events_frequency(60);
+    
+    //stage.signal.motion_event.connect(mouse_moved);
+    //stage.signal.button_release_event.connect(mouse_release);
+    //stage.signal.button_press_event.connect(clear_selected);
+    
+    //pulser();
+    
+    create_default_actors();
+
+    stage.show_all();
+
+    Gtk.main();
+}
+
+function create_default_actors()
+{
+    stage.add_actor(new PangoWidget({text: "Hello, world!",
+    								 font_name: "DejaVu Sans 24"}));
+	stage.add_actor(new PangoWidget({text: "Oh hi!",
+    								 font_name: "DejaVu Serif 32"}));
+}
+
+pangotest_init();