<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" xmlns:xi="http://www.w3.org/2001/XInclude" type="guide" style="task" id="spinner.vala" xml:lang="de">
  <info>
  <title type="text">Spinner (Vala)</title>
    <link type="guide" xref="beginner.vala#display-widgets"/>
    <revision version="0.1" date="2012-05-06" status="draft"/>

    <credit type="author copyright">
      <name>Tiffany Antopolski</name>
      <email its:translate="no">tiffany.antopolski@gmail.com</email>
      <years>2012</years>
    </credit>

    <desc>A spinner animation</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Mario Blättermann</mal:name>
      <mal:email>mario.blaettermann@gmail.com</mal:email>
      <mal:years>2011, 2013, 2016, 2018</mal:years>
    </mal:credit>
  </info>

  <title>Spinner</title>
  <media type="image" mime="image/png" src="media/spinner.png"/>
  <p>This Spinner is stopped and started by pressing the spacebar.</p>

<code mime="text/x-csharp" style="numbered">public class MyWindow : Gtk.ApplicationWindow {

	Gtk.Widget spinner;

	internal MyWindow (MyApplication app) {

		Object (application: app, title: "Spinner Example");

		this.set_default_size (200, 200);
		this.border_width = 30;

		spinner = new Gtk.Spinner ();

		this.add (spinner);
		(spinner as Gtk.Spinner).active = true;
		spinner.show ();
	}

	protected override bool key_press_event (Gdk.EventKey event) {

		//print (Gdk.keyval_name(event.keyval) +"\n");
		if (Gdk.keyval_name(event.keyval) == "space") {

			if ((spinner as Gtk.Spinner).active) {
				(spinner as Gtk.Spinner).stop ();
				//spinner.visible = false;
			}
			else {
				(spinner as Gtk.Spinner).start ();
				//spinner.visible = true;
			}
		}
		return true;
	}
}

public class MyApplication : Gtk.Application {

	protected override void activate () {
		MyWindow window = new MyWindow (this);
		window.show ();
	}

	internal MyApplication () {
		Object (application_id: "org.example.spinner");
	}
}

public int main (string[] args) {
	return new MyApplication ().run (args);
}
</code>
<p>
  In this sample we used the following:
</p>
<list>
  <item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Widget.html">Gtk.Widget</link></p></item>
  <item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Spinner.html">Gtk.Spinner</link></p></item>
  <item><p><link href="http://www.valadoc.org/gdk-3.0/Gdk.keyval_name.html">Gdk.keyval_name</link></p></item>
</list>
</page>
