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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | <?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="linkbutton.py">
<info>
<title type="text">LinkButton (Python)</title>
<link type="guide" xref="beginner.py#buttons"/>
<link type="next" xref="checkbutton.py"/>
<revision version="0.1" date="2012-05-23" 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 button bound to an URL</desc>
</info>
<title>LinkButton</title>
<media type="image" mime="image/png" src="media/linkbutton.png"/>
<p>A button that links to a web page.</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/linkbutton.py" parse="text"><xi:fallback/></xi:include></code>
</section>
<section id="methods">
<title>Useful methods for a LinkButton widget</title>
<list>
<item><p><code>get_visited()</code> returns the 'visited' state (<code>True</code> or <code>False</code>) of the URI where the LinkButton points. The button becomes visited when it is clicked.</p></item>
<item><p><code>set_visited(True)</code> sets the 'visited' state of the URI where the LinkButton points as <code>True</code> (analogously for <code>False</code>).</p></item>
<item><p>Each time the button is clicked, the signal <code>"activate-link"</code> is emitted. For an explanation of signals and callback functions, see <link xref="signals-callbacks.py" />.</p></item>
</list>
</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/GtkWindow.html">GtkWindow</link></p></item>
<item><p><link href="http://developer.gnome.org/gtk3/unstable/GtkLinkButton.html">GtkLinkButton</link></p></item>
</list>
</section>
</page>
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