shell: Make the application a GtkApplication subclass
This promotes better encapsulation and allows us to move application logic out of main() and rename the confusingly named control-center.c to main.c https://bugzilla.gnome.org/show_bug.cgi?id=692174
This commit is contained in:
William Jon McCann
Bastien Nocera
parent
59f873ecf5
commit
64467d7f0a
5 changed files with 288 additions and 116 deletions
346
shell/cc-application.c
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346
shell/cc-application.c
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/*
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* Copyright © 2013 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <gio/gio.h>
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#include <libnotify/notify.h>
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#include <clutter-gtk/clutter-gtk.h>
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#include "cc-application.h"
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#include "cc-panel-loader.h"
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#include "cc-shell-log.h"
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#include "gnome-control-center.h"
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#ifdef HAVE_CHEESE
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#include <cheese-gtk.h>
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#endif /* HAVE_CHEESE */
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struct _CcApplicationPrivate
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{
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GnomeControlCenter *window;
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};
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G_DEFINE_TYPE (CcApplication, cc_application, GTK_TYPE_APPLICATION)
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G_GNUC_NORETURN static gboolean
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option_version_cb (const gchar *option_name,
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const gchar *value,
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gpointer data,
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GError **error)
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{
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g_print ("%s %s\n", PACKAGE, VERSION);
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exit (0);
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}
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static char **start_panels = NULL;
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static char *search_str = NULL;
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static gboolean show_overview = FALSE;
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static gboolean verbose = FALSE;
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static gboolean show_help = FALSE;
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static gboolean show_help_gtk = FALSE;
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static gboolean show_help_all = FALSE;
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static gboolean list_panels = FALSE;
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const GOptionEntry all_options[] = {
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{ "version", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, option_version_cb, NULL, NULL },
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{ "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, N_("Enable verbose mode"), NULL },
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{ "overview", 'o', 0, G_OPTION_ARG_NONE, &show_overview, N_("Show the overview"), NULL },
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{ "search", 's', 0, G_OPTION_ARG_STRING, &search_str, N_("Search for the string"), "SEARCH" },
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{ "list", 'l', 0, G_OPTION_ARG_NONE, &list_panels, N_("List possible panel names and exit"), NULL },
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{ "help", 'h', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &show_help, N_("Show help options"), NULL },
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{ "help-all", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &show_help_all, N_("Show help options"), NULL },
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{ "help-gtk", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &show_help_gtk, N_("Show help options"), NULL },
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{ G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &start_panels, N_("Panel to display"), N_("[PANEL] [ARGUMENT…]") },
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{ NULL, 0, 0, 0, NULL, NULL, NULL } /* end the list */
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};
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static void
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help_activated (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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CcApplication *self = CC_APPLICATION (user_data);
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CcPanel *panel;
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GtkWidget *window;
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const char *uri = NULL;
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panel = cc_shell_get_active_panel (CC_SHELL (self->priv->window));
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if (panel)
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uri = cc_panel_get_help_uri (panel);
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window = cc_shell_get_toplevel (CC_SHELL (self->priv->window));
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gtk_show_uri (gtk_widget_get_screen (window),
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uri ? uri : "help:gnome-help/prefs",
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GDK_CURRENT_TIME, NULL);
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}
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static int
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cc_application_command_line (GApplication *application,
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GApplicationCommandLine *command_line)
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{
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CcApplication *self = CC_APPLICATION (application);
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int argc;
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char **argv;
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int retval = 0;
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GOptionContext *context;
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GError *error = NULL;
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verbose = FALSE;
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show_overview = FALSE;
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show_help = FALSE;
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start_panels = NULL;
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argv = g_application_command_line_get_arguments (command_line, &argc);
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context = g_option_context_new (N_("- Settings"));
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g_option_context_add_main_entries (context, all_options, GETTEXT_PACKAGE);
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g_option_context_set_translation_domain(context, GETTEXT_PACKAGE);
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g_option_context_add_group (context, gtk_get_option_group (TRUE));
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g_option_context_set_help_enabled (context, FALSE);
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if (g_option_context_parse (context, &argc, &argv, &error) == FALSE)
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{
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g_print (_("%s\nRun '%s --help' to see a full list of available command line options.\n"),
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error->message, argv[0]);
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g_error_free (error);
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g_option_context_free (context);
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return 1;
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}
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if (show_help || show_help_all || show_help_gtk)
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{
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gchar *help;
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GOptionGroup *group;
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if (show_help || show_help_all)
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group = NULL;
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else
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group = gtk_get_option_group (FALSE);
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help = g_option_context_get_help (context, FALSE, group);
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g_print ("%s", help);
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g_free (help);
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g_option_context_free (context);
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return 0;
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}
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if (list_panels)
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{
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GList *panels, *l;
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panels = cc_panel_loader_get_panels ();
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g_print ("%s\n", _("Available panels:"));
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for (l = panels; l != NULL; l = l->next)
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g_print ("\t%s\n", (char *) l->data);
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g_list_free (panels);
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return 0;
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}
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#ifdef HAVE_CHEESE
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cheese_gtk_init (&argc, &argv);
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#endif /* HAVE_CHEESE */
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cc_shell_log_set_debug (verbose);
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gnome_control_center_show (self->priv->window, GTK_APPLICATION (application));
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if (search_str)
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{
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gnome_control_center_set_search_item (self->priv->window, search_str);
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}
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else if (show_overview)
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{
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gnome_control_center_set_overview_page (self->priv->window);
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}
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else if (start_panels != NULL && start_panels[0] != NULL)
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{
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const char *start_id;
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GError *err = NULL;
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start_id = start_panels[0];
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if (start_panels[1])
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g_debug ("Extra argument: %s", start_panels[1]);
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else
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g_debug ("No extra argument");
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if (!cc_shell_set_active_panel_from_id (CC_SHELL (self->priv->window), start_id, (const gchar**)start_panels+1, &err))
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{
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g_warning ("Could not load setting panel \"%s\": %s", start_id,
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(err) ? err->message : "Unknown error");
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retval = 1;
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if (err)
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{
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g_error_free (err);
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err = NULL;
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}
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}
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}
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if (start_panels != NULL)
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{
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g_strfreev (start_panels);
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start_panels = NULL;
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}
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show_overview = FALSE;
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g_option_context_free (context);
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g_strfreev (argv);
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return retval;
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}
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static void
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cc_application_quit (GSimpleAction *simple,
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GVariant *parameter,
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gpointer user_data)
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{
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CcApplication *self = CC_APPLICATION (user_data);
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g_clear_object (&self->priv->window);
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}
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static void
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cc_application_activate (GApplication *application)
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{
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CcApplication *self = CC_APPLICATION (application);
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gnome_control_center_present (self->priv->window);
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}
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static void
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cc_application_startup (GApplication *application)
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{
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CcApplication *self = CC_APPLICATION (application);
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GMenu *menu;
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GMenu *section;
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GSimpleAction *action;
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G_APPLICATION_CLASS (cc_application_parent_class)->startup (application);
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#ifdef HAVE_CHEESE
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if (gtk_clutter_init (NULL, NULL) != CLUTTER_INIT_SUCCESS)
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{
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g_critical ("Unable to initialize Clutter");
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return;
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}
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#endif /* HAVE_CHEESE */
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/* register a symbolic icon size for use in sidebar lists */
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gtk_icon_size_register ("cc-sidebar-list", 24, 24);
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notify_init ("gnome-control-center");
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action = g_simple_action_new ("help", NULL);
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g_action_map_add_action (G_ACTION_MAP (application), G_ACTION (action));
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g_signal_connect (action, "activate", G_CALLBACK (help_activated), self);
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g_object_unref (action);
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action = g_simple_action_new ("quit", NULL);
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g_action_map_add_action (G_ACTION_MAP (application), G_ACTION (action));
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g_signal_connect (action, "activate", G_CALLBACK (cc_application_quit), self);
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g_object_unref (action);
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menu = g_menu_new ();
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section = g_menu_new ();
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g_menu_append (section, _("Help"), "app.help");
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g_menu_append (section, _("Quit"), "app.quit");
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g_menu_append_section (menu, NULL, G_MENU_MODEL (section));
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gtk_application_set_app_menu (GTK_APPLICATION (application),
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G_MENU_MODEL (menu));
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gtk_application_add_accelerator (GTK_APPLICATION (application),
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"F1", "app.help", NULL);
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self->priv->window = gnome_control_center_new ();
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}
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static GObject *
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cc_application_constructor (GType type,
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guint n_construct_params,
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GObjectConstructParam *construct_params)
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{
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static GObject *self = NULL;
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if (self == NULL)
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{
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self = G_OBJECT_CLASS (cc_application_parent_class)->constructor (type,
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n_construct_params,
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construct_params);
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g_object_add_weak_pointer (self, (gpointer) &self);
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return self;
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}
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return g_object_ref (self);
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}
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static void
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cc_application_dispose (GObject *object)
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{
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G_OBJECT_CLASS (cc_application_parent_class)->dispose (object);
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}
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static void
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cc_application_init (CcApplication *self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
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CC_TYPE_APPLICATION,
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CcApplicationPrivate);
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}
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static void
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cc_application_class_init (CcApplicationClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GApplicationClass *application_class = G_APPLICATION_CLASS (class);
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object_class->constructor = cc_application_constructor;
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object_class->dispose = cc_application_dispose;
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application_class->activate = cc_application_activate;
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application_class->startup = cc_application_startup;
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application_class->command_line = cc_application_command_line;
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g_type_class_add_private (class, sizeof (CcApplicationPrivate));
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}
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GtkApplication *
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cc_application_new (void)
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{
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return g_object_new (CC_TYPE_APPLICATION,
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"application-id", "org.gnome.ControlCenter",
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"flags", G_APPLICATION_HANDLES_COMMAND_LINE,
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NULL);
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}
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