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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">
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<info>
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<title type="text">MenuButton (Vala)</title>
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<link type="guide" xref="beginner.vala#buttons"/>
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<revision version="0.1" date="2012-07-18" status="draft"/>
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<credit type="author copyright">
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<name>Tiffany Antopolski</name>
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<email its:translate="no">tiffany.antopolski@gmail.com</email>
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<years>2012</years>
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</credit>
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<desc>Un widget que muestra un menú cuando se pulsa</desc>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Daniel Mustieles</mal:name>
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<mal:email>daniel.mustieles@gmail.com</mal:email>
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<mal:years>2011 - 2017</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Nicolás Satragno</mal:name>
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<mal:email>nsatragno@gmail.com</mal:email>
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<mal:years>2012 - 2013</mal:years>
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</mal:credit>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Jorge González</mal:name>
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<mal:email>jorgegonz@svn.gnome.org</mal:email>
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<mal:years>2011</mal:years>
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</mal:credit>
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</info>
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<title>MenuButton</title>
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<media type="image" mime="image/png" src="media/menubutton.png"/>
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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.
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<note>Necesita ejecutar GNOME 3.6 para que el «MenuButton» funcione. </note>
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public class MyWindow : Gtk.ApplicationWindow {
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internal MyWindow (MyApplication app) {
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Object (application: app, title: "MenuButton Example");
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this.set_default_size (600, 400);
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var grid = new Gtk.Grid ();
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var menubutton = new Gtk.MenuButton();
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menubutton.set_size_request (80, 35);
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var menumodel = new Menu ();
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menumodel.append ("New", "app.new");
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menumodel.append ("About", "win.about");
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/* We create the last item as a MenuItem, so that
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* a submenu can be appended to this menu item.
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*/
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var submenu = new Menu ();
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menumodel.append_submenu ("Other", submenu);
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submenu.append ("Quit", "app.quit");
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menubutton.set_menu_model (menumodel);
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var about_action = new SimpleAction ("about", null);
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about_action.activate.connect (this.about_cb);
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this.add_action (about_action);
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this.add(grid);
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grid.attach(menubutton, 0, 0, 1, 1);
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}
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void about_cb (SimpleAction simple, Variant? parameter) {
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print ("You clicked \"About\"\n");
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}
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}
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public class MyApplication : Gtk.Application {
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protected override void activate () {
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new MyWindow (this).show_all ();
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}
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internal MyApplication () {
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Object (application_id: "org.example.MyApplication");
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}
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/* Override the 'startup' signal of GLib.Application. */
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protected override void startup () {
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base.startup ();
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var new_action = new SimpleAction ("new", null);
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new_action.activate.connect (this.new_cb);
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this.add_action (new_action);
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var quit_action = new SimpleAction ("quit", null);
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quit_action.activate.connect (this.quit);
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this.add_action (quit_action);
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}
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void new_cb (SimpleAction simple, Variant? parameter) {
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print ("You clicked \"New\"\n");
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}
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}
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public int main (string[] args) {
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return new MyApplication ().run (args);
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}
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En este ejemplo se usa lo siguiente:
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<list>
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<item><link href="http://developer.gnome.org/gtk3/3.5/gtk3-GtkMenuButton.html">MenuButton</link> </item>
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</list>
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</page>
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