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<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="dialog.py">
<info>
<title type="text">Dialog (Python)</title>
<link type="guide" xref="beginner.py#windows"/>
<link type="seealso" xref="signals-callbacks.py"/>
<link type="next" xref="aboutdialog.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 popup window</desc>
</info>
<title>Dialog</title>
<media type="image" mime="image/png" src="media/dialog.png"/>
<p>A dialog with the response signal connected to a callback function.</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/dialog.py" parse="text"><xi:fallback/></xi:include></code>
</section>
<section id="methods">
<title>Useful methods for a Dialog widget</title>
<p>In line 16 the signal <code>"clicked"</code> is connected to the callback function <code>on_button_click()</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>
<list>
<item><p>Instead of <code>set_modal(True)</code> we could have <code>set_modal(False)</code> followed by <code>set_destroy_with_parent(True)</code> that would destroy the dialog window if the main window is closed.</p></item>
<item><p><code>add_button(button_text="The Answer", response_id=42)</code>, where <code>42</code> is any integer, is an alternative to <code>add_button(button_text="text", response_id=Gtk.ResponseType.RESPONSE)</code>, where <code>RESPONSE</code> could be one of <code>OK, CANCEL, CLOSE, YES, NO, APPLY, HELP</code>, which in turn correspond to the integers <code>-5, -6,..., -11</code>.</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/GtkDialog.html">GtkDialog</link></p></item>
<item><p><link href="http://developer.gnome.org/gtk3/unstable/GtkWindow.html">GtkWindow</link></p></item>
</list>
</section>
</page>
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