<?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.c" lang="de">
  <info>
    <title type="text">GMenu (C)</title>
    <link type="guide" xref="c#menu-combo-toolbar"/>
    <revision version="0.1" date="2012-04-28" status="draft"/>

    <credit type="author copyright">
      <name>Tiffany Antopolski</name>
      <email its:translate="no">tiffany.antopolski@gmail.com</email>
      <years>2012</years>
    </credit>

    <desc>Eine einfache Implementierung von GMenuModel</desc>
  <credit type="translator copyright"><name>Mario Blättermann</name><email>mario.blaettermann@gmail.com</email><years>2011, 2013, 2016, 2018, 2021</years></credit></info>

  <title>GMenu</title>
  <media type="image" mime="image/png" src="media/gmenu.c.png"/>
  <p>A GtkApplication with a simple GMenu and SimpleActions</p>
  <note><p><em style="bold">Dies funktioniert nur mit Gtk3.4 oder neuer</em></p></note>

<code mime="text/x-vala" style="numbered">
#include &lt;gtk/gtk.h&gt;

static void
new_window (GSimpleAction *action,
            GVariant      *parameter,
            gpointer       user_data)
{
  g_print ("This does nothing. It is only a demonstration.\n");
}

static void
quit (GSimpleAction *action,
      GVariant      *parameter,
      gpointer       user_data)
{
  GApplication *application = user_data;

  g_application_quit (application);
}

static void
startup (GtkApplication *application,
         gpointer        user_data)
{
  static const GActionEntry actions[] = {
    { "new", new_window },
    { "quit", quit }
  };

  GMenu *menu;

  g_action_map_add_action_entries (G_ACTION_MAP (application), actions, G_N_ELEMENTS (actions), application);

  menu = g_menu_new ();
  g_menu_append (menu, "New", "app.new");
  g_menu_append (menu, "Quit", "app.quit");
  gtk_application_set_app_menu (application, G_MENU_MODEL (menu));
  g_object_unref (menu);
}

static void
activate (GtkApplication *app,
          gpointer        user_data)
{
  GtkWidget *window;

  window = gtk_application_window_new (app);

  gtk_window_set_application (GTK_WINDOW (window), GTK_APPLICATION (app));
  gtk_window_set_title (GTK_WINDOW (window), "Hello GNOME");

  gtk_widget_show_all (GTK_WIDGET (window));
}

int
main (int argc, char **argv)
{
  GtkApplication *app;
  int status;

  app = gtk_application_new ("org.gtk.example",G_APPLICATION_FLAGS_NONE);
  g_signal_connect (app, "startup", G_CALLBACK (startup), NULL);
  g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
  status = g_application_run (G_APPLICATION (app), argc, argv);
  g_object_unref (app);
  return status;
}
</code>
<p>In diesem Beispiel haben wir Folgendes verwendet:</p>
<list>
  <item><p><link href="http://developer.gnome.org/gio/unstable/GMenu.html">GMenu</link></p></item>
  <item><p><link href="http://developer.gnome.org/gio/stable/GSimpleAction.html">GSimpleAction</link></p></item>
</list>
</page>
