<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="spinbutton.vala" xml:lang="de">

  <info>

  <title type="text">SpinButton (Vala)</title>

    <link type="guide" xref="beginner.vala#entry"/>

    <link type="seealso" xref="label.vala"/>

    <link type="seealso" xref="grid.vala"/>

    <revision version="0.1" date="2012-05-07" status="draft"/>

    <credit type="author copyright">

      <name>Tiffany Antopolski</name>

      <email its:translate="no">tiffany.antopolski@gmail.com</email>

      <years>2012</years>

    </credit>

    <desc>Retrieve an integer or floating point number.</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</mal:years>

    </mal:credit>

  </info>

  <title>SpinButton</title>

  <media type="image" mime="image/png" src="media/spinbutton.png"/>

    
Choose a number, by entering it or by clicking on the -/+ buttons!

/* This is the application. */

public class MyApplication : Gtk.Application {

	Gtk.Label label;

	/* Override the 'activate' signal of GLib.Application. */

	protected override void activate () {

		var window = new Gtk.ApplicationWindow (this);

		window.title = "SpinButton Example";

		window.set_default_size (210, 70);

		window.set_border_width (5);

		var spinbutton = new Gtk.SpinButton.with_range (0, 100, 1);

		spinbutton.set_hexpand (true);

		label = new Gtk.Label ("Choose a number");

		var grid = new Gtk.Grid ();

		grid.attach (spinbutton, 0, 0, 1, 1);

		grid.attach (label, 0, 1, 1, 1);

		spinbutton.value_changed.connect (this.value_changed_cb);

		window.add (grid);

		window.show_all ();

	}

	void value_changed_cb (Gtk.SpinButton spin) {

		label.set_text ("The number you selected is %.0f.".printf (spin.get_value()));

	}

}

/* main creates and runs the application. */

public int main (string[] args) {

	return new MyApplication ().run (args);

}

  In this sample we used the following:

<list>

  <item>
<link href="http://www.valadoc.org/gtk+-3.0/Gtk.SpinButton.html">Gtk.SpinButton</link>
</item>

</list>

</page>