1public class MyWindow : Gtk.ApplicationWindow {
2
3	Gtk.Widget spinner;
4
5	internal MyWindow (MyApplication app) {
6
7		Object (application: app, title: "Spinner Example");
8
9		this.set_default_size (200, 200);
10		this.border_width = 30;
11
12		spinner = new Gtk.Spinner ();
13
14		this.add (spinner);
15		(spinner as Gtk.Spinner).active = true;
16		spinner.show ();
17	}
18
19	protected override bool key_press_event (Gdk.EventKey event) {
20
21		//print (Gdk.keyval_name(event.keyval) +"\n");
22		if (Gdk.keyval_name(event.keyval) == "space") {
23
24			if ((spinner as Gtk.Spinner).active) {
25				(spinner as Gtk.Spinner).stop ();
26				//spinner.visible = false;
27			}
28			else {
29				(spinner as Gtk.Spinner).start ();
30				//spinner.visible = true;
31			}
32		}
33		return true;
34	}
35}
36
37public class MyApplication : Gtk.Application {
38
39	protected override void activate () {
40		MyWindow window = new MyWindow (this);
41		window.show ();
42	}
43
44	internal MyApplication () {
45		Object (application_id: "org.example.spinner");
46	}
47}
48
49public int main (string[] args) {
50	return new MyApplication ().run (args);
51}
52