/usr/share/help/cs/gnome-devel-demos/aboutdialog.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="aboutdialog.vala" xml:lang="cs">
<info>
<title type="text">AboutDialog (Vala)</title>
<link type="guide" xref="beginner.vala#windows"/>
<link type="seealso" xref="button.vala"/>
<link type="seealso" xref="linkbutton.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>Zobrazuje informace o aplikaci</desc>
</info>
<title>AboutDialog</title>
<media type="image" mime="image/png" src="media/aboutdialog_GMenu.png"/>
<p>Příklad s AboutDialog, který používá Gtk.ApplicationWindow a Menu</p>
<note><p><em style="bold">Musíte používat Gtk 3.4 nebo novější, aby tento příklad fungoval.</em></p></note>
<code mime="text/x-csharp" style="numbered">/* Okno v aplikaci */
public class Window : Gtk.ApplicationWindow {
/* Konstruktor */
public Window (Application app) {
Object (application: app, title: "AboutDialog Example");
var about_action = new SimpleAction ("about", null);
about_action.activate.connect (this.about_cb);
this.add_action (about_action);
this.show_all ();
}
/* Toto je funkce zpětného volání napojená na signál "activate"
* od SimpleAction about_action.
*/
void about_cb (SimpleAction simple, Variant? parameter) {
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);
}
}
/* Toto je aplikace */
public class Application : Gtk.Application {
/* Zde se přepíše signál "activate" z GLib.Application */
protected override void activate () {
new Window (this);
}
/* Zde se přepíše signál "startup" z 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);
}
/* Konstruktor */
public Application () {
Object (application_id: "org.example.application");
}
}
/* Funkce main vytvoří aplikaci a spustí ji */
int main (string[] args) {
return new Application ().run (args);
}
</code>
<p>V této ukázce se používá následující:</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/gtk+-3.0/Gtk.Window.set_default_size.html">set_default_size</link></p></item>
</list>
</page>
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