/usr/share/help/es/gnome-devel-demos/progressbar.vala.page is in gnome-devel-docs 3.28.0-1.
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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="progressbar.vala" xml:lang="es">
<info>
<title type="text">ProgressBar (Vala)</title>
<link type="guide" xref="beginner.vala#display-widgets"/>
<revision version="0.1" date="2012-05-08" status="draft"/>
<credit type="author copyright">
<name>Tiffany Antopolski</name>
<email its:translate="no">tiffany.antopolski@gmail.com</email>
<years>2012</years>
</credit>
<desc>Un widget que indica el progreso de manera visual</desc>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Daniel Mustieles</mal:name>
<mal:email>daniel.mustieles@gmail.com</mal:email>
<mal:years>2011 - 2017</mal:years>
</mal:credit>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Nicolás Satragno</mal:name>
<mal:email>nsatragno@gmail.com</mal:email>
<mal:years>2012 - 2013</mal:years>
</mal:credit>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Jorge González</mal:name>
<mal:email>jorgegonz@svn.gnome.org</mal:email>
<mal:years>2011</mal:years>
</mal:credit>
</info>
<title>ProgressBar</title>
<media type="video" mime="application/ogv" src="media/progressbar_fill.ogv"/>
<p>Esta barra de progreso «se llena» una fracción hasta que está llena.</p>
<code mime="text/x-csharp" style="numbered">public class MyApplication : Gtk.Application {
Gtk.ProgressBar progress_bar;
protected override void activate () {
var window = new Gtk.ApplicationWindow (this);
window.set_title ("ProgressBar Example");
window.set_default_size (220, 20);
progress_bar = new Gtk.ProgressBar ();
window.add (progress_bar);
window.show_all ();
double fraction = 0.0;
progress_bar.set_fraction (fraction);
GLib.Timeout.add (500, fill);
}
bool fill () {
double fraction = progress_bar.get_fraction (); //get current progress
fraction += 0.1; //increase by 10% each time this function is called
progress_bar.set_fraction (fraction);
/* This function is only called by GLib.Timeout.add while it returns true; */
if (fraction < 1.0)
return true;
return false;
}
}
public int main (string[] args) {
var progress_bar_application = new MyApplication ();
int status = progress_bar_application.run (args);
return status;
}
</code>
<p>En este ejemplo se usa lo siguiente:</p>
<list>
<item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.ProgressBar.html">Gtk.ProgressBar</link></p></item>
<item><p><link href="http://www.valadoc.org/glib-2.0/GLib.Timeout.html">GLib.Timeout</link></p></item>
</list>
</page>
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