seed r139 - trunk/examples

[hortont svn gnome org]

Author: hortont
Date: Thu Nov  6 07:17:03 2008
New Revision: 139
URL: http://svn.gnome.org/viewvc/seed?rev=139&view=rev

Log:
Update pango example.



Modified:
   trunk/examples/pango.js

Modified: trunk/examples/pango.js
==============================================================================
--- trunk/examples/pango.js	(original)
+++ trunk/examples/pango.js	Thu Nov  6 07:17:03 2008
@@ -3,15 +3,21 @@
 Seed.import_namespace("Clutter");
 Seed.import_namespace("Gtk");
 Seed.import_namespace("GtkClutter");
+Seed.import_namespace("Pango");
+
+var current_actor;
 
 Gtk.init(null, null);
 GtkClutter.init(null, null);
 
-var current_text;
-
 function update_text(entry)
 {
-	current_text.text = entry.text;
+	current_actor.text = entry.text;
+}
+
+function add_actor()
+{
+    new pango_actor("Oh hi!", "Bitstream Vera Serif 28");
 }
 
 function prop_editor()
@@ -19,38 +25,131 @@
 	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 = new Gtk.ComboBox();
+	
+	
 	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.new_button);
 }
 
-var window = new Gtk.Window();
-var gtkstage = new GtkClutter.Embed();
+function clear_selected(stg, evt)
+{
+    if(stg.equals(stage.get_actor_at_pos(evt.get_x(), evt.get_y())))
+        select_actor(null);
+}
 
-var properties = new prop_editor();
-var vbox = new Gtk.VBox();
-vbox.pack_start(gtkstage, true, true);
-vbox.pack_start(properties.hbox);
+function select_actor(actor)
+{
+    timeline.rewind();
+    
+    if(current_actor)
+        current_actor.opacity = 255;
+    
+    current_actor = actor;
+    
+    if(!current_actor)
+    {
+        // defaults
+        properties.text.text = "";
+        return;
+    }
+    
+    properties.text.text = actor.text;
+    var pfd = Pango.font_description_from_string(actor.get_font_name());
+    
+    Seed.print(pfd.get_family());
+}
 
-window.resize(600,600);
-window.add(vbox);
-window.show_all();
+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 mouse_click(win, evt)
+function ui_setup()
 {
-	Seed.print(evt.get_x()+" "+evt.get_y());
+    var window = new Gtk.Window();
+    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;
 }
 
-var stage = gtkstage.get_stage();
-stage.show_all();
+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.signal_button_press_event.connect(mouse_click);
+    stage.show_all();
 
-current_text = new Clutter.Label({text:"Hello, world!",
-			     font_name:"Bitstream Vera Sans 24"});
+    Gtk.main();
+}
 
-stage.add_actor(current_text);
+function create_default_actors()
+{
+    select_actor((new pango_actor("Hello, world!", "Bitstream Vera Sans 24")).label);
+    new pango_actor("Oh hi!", "Bitstream Vera Serif 28");
+}
 
-Gtk.main();
+pangotest_init();