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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="menubutton.vala" xml:lang="es">
<info>
<title type="text">MenuButton (Vala)</title>
<link type="guide" xref="beginner.vala#buttons"/>
<revision version="0.1" date="2012-07-18" 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 muestra un menú cuando se pulsa</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>MenuButton</title>
<media type="image" mime="image/png" src="media/menubutton.png"/>
<p>El widget «GtkMenuButton» se usa para mostrar un menú cuando se pulsa. Este menú puede proporcionarse como un «GtkMenu», o un «GMenuModel» abstracto. El widget «GtkMenuButton» puede contener cualquier widget hijo válido. Esto es casi cualquier «GtkWidget» estándar. El hijo más comúnmente usado es el «GtkArrow» proporcionado.</p>
<note><p>Necesita ejecutar GNOME 3.6 para que el «MenuButton» funcione.</p></note>
<code mime="text/x-csharp" style="numbered">public class MyWindow : Gtk.ApplicationWindow {
internal MyWindow (MyApplication app) {
Object (application: app, title: "MenuButton Example");
this.set_default_size (600, 400);
var grid = new Gtk.Grid ();
var menubutton = new Gtk.MenuButton();
menubutton.set_size_request (80, 35);
var menumodel = new Menu ();
menumodel.append ("New", "app.new");
menumodel.append ("About", "win.about");
/* We create the last item as a MenuItem, so that
* a submenu can be appended to this menu item.
*/
var submenu = new Menu ();
menumodel.append_submenu ("Other", submenu);
submenu.append ("Quit", "app.quit");
menubutton.set_menu_model (menumodel);
var about_action = new SimpleAction ("about", null);
about_action.activate.connect (this.about_cb);
this.add_action (about_action);
this.add(grid);
grid.attach(menubutton, 0, 0, 1, 1);
}
void about_cb (SimpleAction simple, Variant? parameter) {
print ("You clicked \"About\"\n");
}
}
public class MyApplication : Gtk.Application {
protected override void activate () {
new MyWindow (this).show_all ();
}
internal MyApplication () {
Object (application_id: "org.example.MyApplication");
}
/* Override the 'startup' signal of GLib.Application. */
protected override void startup () {
base.startup ();
var new_action = new SimpleAction ("new", null);
new_action.activate.connect (this.new_cb);
this.add_action (new_action);
var quit_action = new SimpleAction ("quit", null);
quit_action.activate.connect (this.quit);
this.add_action (quit_action);
}
void new_cb (SimpleAction simple, Variant? parameter) {
print ("You clicked \"New\"\n");
}
}
public int main (string[] args) {
return new MyApplication ().run (args);
}
</code>
<p>En este ejemplo se usa lo siguiente:</p>
<list>
<item><p><link href="http://developer.gnome.org/gtk3/3.5/gtk3-GtkMenuButton.html">MenuButton</link></p></item>
</list>
</page>
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