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<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" type="guide" style="task" id="GtkApplication.vala" xml:lang="ca">
<info>
<link type="guide" xref="beginner.vala#windows"/>
<revision version="0.1" date="2012-04-07" status="stub"/>
<credit type="author copyright">
<name>Ryan Lortie</name>
<email>desrt@desrt.ca</email>
<years>2012</years>
</credit>
<credit type="author">
<name>Tiffany Antopolski</name>
<email>tiffany.antopolski@gmail.com</email>
</credit>
<desc>A Gtk.ApplicationWindow</desc>
</info>
<title>ApplicationWindow</title>
<table>
<tr>
<td>
<media type="image" mime="image/png" src="media/GtkApplication.png"/>
</td>
<td>
<note style="important">
<p><em style="strong">You need to be running Gtk+-3.4 or later for this to work</em></p>
</note>
<note style="bug"><p>
This program will not compile until <link href="https://bugzilla.gnome.org/show_bug.cgi?id=674090">Bug #674090</link> is fixed.
</p></note>
</td>
</tr>
</table>
<p>A demonstration of the menu integration.</p>
<code mime="text/x-vala" style="numbered"><![CDATA[
//A window in the application
public class Window : Gtk.ApplicationWindow {
public Window (Application app) {
Object (application: app, title: "GtkApplication Example");
var label = new Gtk.Label ("Hello GtkApplication!");
this.add (label);
var about_action = new SimpleAction ("about", null);
about_action.activate.connect (about);
this.add_action (about_action);
this.set_default_size (400, 200);
this.show_all ();
}
void about () {
string[] authors = { "GNOME Documentation Team", null };
string[] documenters = { "GNOME Documentation Team", null };
Gtk.show_about_dialog (this,
"program-name", ("GtkApplication Example"),
"copyright", ("Copyright \xc2\xa9 2012 GNOME Documentation Team"),
"authors", authors,
"documenters", documenters,
"website", "http://developer.gnome.org",
"website-label", ("GNOME Developer Website"),
null);
}
}
//This is the Application
public class Application : Gtk.Application {
protected override void activate () {
new Window (this);
}
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);
}
public Application () {
Object (application_id: "org.example.application");
}
}
//main function creates Application and runs it
int main (string[] args) {
return new Application ().run (args);
}
]]></code>
<p>
In this sample we used the following:
</p>
<list>
<item><p><link href="http://references.valadoc.org/#!api=gtk+-3.0/Gtk.Application">Gtk.Application</link></p></item>
<item><p><link href="http://references.valadoc.org/#!api=gtk+-3.0/Gtk.ApplicationWindow">Gtk.ApplicationWindow</link></p></item>
<item><p><link href="http://references.valadoc.org/#!api=gio-2.0/GLib.Menu.Menu">Menu</link></p></item>
<item><p><link href="http://references.valadoc.org/#!api=gio-2.0/GLib.Menu.append">append</link></p></item>
<item><p><link href="http://references.valadoc.org/#!api=gio-2.0/GLib.SimpleAction">SimpleAction</link></p></item>
<item><p><link href="http://www.valadoc.org/#!api=gio-2.0/GLib.ActionMap.add_action">add_action</link></p></item>
</list>
</page>
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