<?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="aboutdialog.py">
  <info>
    <title type="text">AboutDialog (Python)</title>
    <link type="guide" xref="beginner.py#windows"/>
    <link type="next" xref="messagedialog.py"/>
    <revision version="0.1" date="2012-06-11" status="draft"/>

    <credit type="author copyright">
      <name>Marta Maria Casetti</name>
      <email its:translate="no">mmcasetti@gmail.com</email>
      <years>2012</years>
    </credit>

    <desc>A window that displays information about an application</desc>
  </info>

  <title>AboutDialog</title>
  <media type="image" mime="image/png" src="media/aboutdialog_GMenu.png"/>
  <p>An AboutDialog example using Gtk.ApplicationWindow and Menu (the "about" is displayed if "About" in the menu is selected).</p>

  <links type="section" />

  <section id="code">
  <title>Code used to generate this example</title>

  <code mime="text/x-python" style="numbered"><xi:include href="samples/aboutdialog.py" parse="text"><xi:fallback/></xi:include></code>

  </section>

  <section id="methods">
  <title>Useful methods for an AboutDialog widget</title>
    <p>In line 15 the signal <code>"activate"</code> is connected to the callback function <code>about_cb()</code> using <code><var>widget</var>.connect(<var>signal</var>, <var>callback function</var>)</code>. See <link xref="signals-callbacks.py"/> for a more detailed explanation.</p>
  </section>

  <section id="references">
  <title>API References</title>
  <p>
    In this sample we used the following:
  </p>
  <list>
    <item><p><link href="http://developer.gnome.org/gtk3/unstable/GtkAboutDialog.html">GtkAboutDialog</link></p></item>
    <item><p><link href="http://developer.gnome.org/gtk3/unstable/GtkApplicationWindow.html">GtkApplicationWindow</link></p></item>
    <item><p><link href="http://developer.gnome.org/gio/stable/GMenu.html">GMenu</link></p></item>
    <item><p><link href="http://developer.gnome.org/gtk3/unstable/GtkApplication.html">GtkApplication</link></p></item>
  </list>
  </section>
</page>
