<?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="gmenu.vala" xml:lang="el">
<info>
<title type="text">GMenu (Vala)</title>
<link type="guide" xref="beginner.vala#menu-combo-toolbar"/>
<link type="seealso" xref="aboutdialog.vala"/>
<revision version="0.1" date="2012-04-07" status="stub"/>
<credit type="author copyright">
<name>Ryan Lortie</name>
<email its:translate="no">desrt@desrt.ca</email>
<years>2012</years>
</credit>
<credit type="author">
<name>Tiffany Antopolski</name>
<email its:translate="no">tiffany.antopolski@gmail.com</email>
</credit>
<desc>Μια απλή υλοποίηση του GMenuModel</desc>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Ελληνική μεταφραστική ομάδα GNOME</mal:name>
<mal:email>team@gnome.gr</mal:email>
<mal:years>2012-2015</mal:years>
</mal:credit>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Δημήτρης Σπίγγος</mal:name>
<mal:email>dmtrs32@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>Μαρία Θουκιδίδου</mal:name>
<mal:email>marablack3@gmail.com</mal:email>
<mal:years>2014</mal:years>
</mal:credit>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Θάνος Τρυφωνίδης</mal:name>
<mal:email>tomtryf@gmail.com</mal:email>
<mal:years>2014, 2015</mal:years>
</mal:credit>
</info>
<title>GMenu</title>
<media type="image" mime="image/png" height="200" src="media/gmenu.vala.png"/>
<note style="important">
<p><em style="strong">Χρειάζεται να τρέξετε το Gtk+-3.4 ή μεταγενέστερο για να δουλέψει αυτό</em></p>
</note>
<p>Μια GtkApplication με ένα απλό GMenu και SimpleActions</p>
<code mime="text/x-csharp" style="numbered">/* A window in the application. */
public class Window : Gtk.ApplicationWindow {
/* Constructor */
public Window (Application app) {
Object (application: app, title: "Gmenu Example");
var about_action = new SimpleAction ("about", null);
/* Connect the 'activate' signal to the
* signal handler (aka. callback).
*/
about_action.activate.connect (this.about_cb);
/* Add the action to this window. */
this.add_action (about_action);
this.show ();
}
/* Signal handler for 'activate' signal of the SimpleAction. */
void about_cb (SimpleAction simple, Variant? parameter) {
print ("This does nothing. It is only a demonstration.\n");
}
}
/* This is the Application. */
public class Application : Gtk.Application {
/* Constructor */
public Application () {
Object (application_id: "org.example.application");
}
/* Override the 'activate' signal of GLib.Application. */
protected override void activate () {
/* Create a new window for this application. */
new Window (this);
}
/* Override the 'startup' signal of GLib.Application. */
protected override void startup () {
base.startup ();
var menu = new Menu ();
menu.append ("About", "win.about");
menu.append ("Quit", "app.quit");
this.app_menu = menu;
var quit_action = new SimpleAction ("quit", null);
quit_action.activate.connect (this.quit);
this.add_action (quit_action);
}
}
/* main function creates Application and runs it. */
int main (string[] args) {
return new Application ().run (args);
}
</code>
<p>Σε αυτό το παράδειγμα χρησιμοποιήσαμε τα παρακάτω:</p>
<list>
<item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Application.html">Gtk.Application</link></p></item>
<item><p><link href="http://www.valadoc.org/gtk+-3.0/Gtk.ApplicationWindow.html">Gtk.ApplicationWindow</link></p></item>
<item><p><link href="http://www.valadoc.org/gio-2.0/GLib.Menu.Menu.html">Menu</link></p></item>
<item><p><link href="http://www.valadoc.org/gio-2.0/GLib.Menu.append.html">append</link></p></item>
<item><p><link href="http://www.valadoc.org/gio-2.0/GLib.SimpleAction.html">SimpleAction</link></p></item>
<item><p><link href="http://www.valadoc.org/gio-2.0/GLib.ActionMap.add_action.html">add_action</link></p></item>
</list>
</page>