/*hello.vala
compile : valac --pkg gtk+-3.0 --pkg glib-2.0  helloworld.vala 
*/

using Gtk;
using GLib;

public ListStore liststore;
public Builder builder;
public IconView icon_view;
public Gdk.Pixbuf pixbuf;
public Label label1;


public bool gen_list(){


		var theme = new Gtk.IconTheme();
		theme.set_custom_theme("ubuntu-mono-dark");
		var icons=theme.list_icons(null);
            
		string[] choices={"face","stock","emblem","gnome","application"};
		string[] badicons={"gnome-spinner","gnome-panel-separator"};
		string[] data ={};

		
		foreach (string icon in icons ){
					foreach (string choice in choices){
						if (choice in icon && !( icon in badicons) && !(icon in data)) {
							print(icon);
							data += icon;
							TreeIter iter;

								try {
									pixbuf = theme.load_icon(icon, 48, 0); 
								} catch (Error e) 
										{print(e.message);};
										
							liststore.append (out iter);
							liststore.set(iter,0,pixbuf);
							
							};
					};
			};		
label1.hide();
return false;
}


public static int main (string[] args) 
{     
    Timeout.add_seconds(2, gen_list);
    Gtk.init (ref args);

        Gtk.Builder builder  =  new Gtk.Builder ();
	            try{
	            	builder.add_from_file ("helloworld.ui");
        		} catch
        			(Error e ) {
        				print(e.message);
        				};
        var window  =  builder.get_object ("window") as Gtk.Window;
		icon_view = builder.get_object ("iconview1") as Gtk.IconView;
        liststore = builder.get_object ("liststore") as Gtk.ListStore;
        label1 = builder.get_object("label1")  as Gtk.Label;
		icon_view.set_pixbuf_column (0); 
               
        builder.connect_signals (null);
		
		window.show_all ();
        Gtk.main ();
 
    return 0;
}