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nautilus-window-menus.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */

/*
 * Nautilus
 *
 * Copyright (C) 2000, 2001 Eazel, Inc.
 *
 * Nautilus is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * Nautilus is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * Author: John Sullivan <sullivan@eazel.com>
 */

/* nautilus-window-menus.h - implementation of nautilus window menu operations,
 *                           split into separate file just for convenience.
 */
#include <config.h>

#include <locale.h> 

#include "nautilus-actions.h"
#include "nautilus-application.h"
#include "nautilus-connect-server-dialog.h"
#include "nautilus-file-management-properties.h"
#include "nautilus-navigation-action.h"
#include "nautilus-notebook.h"
#include "nautilus-window-manage-views.h"
#include "nautilus-window-bookmarks.h"
#include "nautilus-window-private.h"
#include "nautilus-desktop-window.h"
#include "nautilus-search-bar.h"
#include <gtk/gtk.h>
#include <gio/gio.h>
#include <glib/gi18n.h>

#include <eel/eel-gtk-extensions.h>
#include <eel/eel-stock-dialogs.h>

#include <libnautilus-extension/nautilus-menu-provider.h>
#include <libnautilus-private/nautilus-file-utilities.h>
#include <libnautilus-private/nautilus-global-preferences.h>
#include <libnautilus-private/nautilus-icon-names.h>
#include <libnautilus-private/nautilus-ui-utilities.h>
#include <libnautilus-private/nautilus-module.h>
#include <libnautilus-private/nautilus-undo-manager.h>
#include <libnautilus-private/nautilus-program-choosing.h>
#include <libnautilus-private/nautilus-search-directory.h>
#include <libnautilus-private/nautilus-search-engine.h>
#include <libnautilus-private/nautilus-signaller.h>
#include <libnautilus-private/nautilus-trash-monitor.h>
#include <string.h>

#define MENU_PATH_EXTENSION_ACTIONS                     "/MenuBar/File/Extension Actions"
#define POPUP_PATH_EXTENSION_ACTIONS                     "/background/Before Zoom Items/Extension Actions"

#define NETWORK_URI          "network:"
#define COMPUTER_URI         "computer:"
#define BURN_CD_URI          "burn:"

static void
action_close_window_slot_callback (GtkAction *action,
                           gpointer user_data)
{
      NautilusWindow *window;
      NautilusWindowSlot *slot;

      window = NAUTILUS_WINDOW (user_data);
      slot = nautilus_window_get_active_slot (window);

      nautilus_window_pane_slot_close (slot->pane, slot);
}

static void
action_connect_to_server_callback (GtkAction *action, 
                           gpointer user_data)
{
      NautilusWindow *window = NAUTILUS_WINDOW (user_data);
      GtkWidget *dialog;

      dialog = nautilus_connect_server_dialog_new (window);

      gtk_widget_show (dialog);
}

static void
action_stop_callback (GtkAction *action, 
                  gpointer user_data)
{
      NautilusWindow *window;
      NautilusWindowSlot *slot;

      window = NAUTILUS_WINDOW (user_data);
      slot = nautilus_window_get_active_slot (window);

      nautilus_window_slot_stop_loading (slot);
}

static void
action_undo_callback (GtkAction *action, 
                  gpointer user_data) 
{
      NautilusApplication *app;

      app = nautilus_application_get_singleton ();
      nautilus_undo_manager_undo (app->undo_manager);
}

static void
action_home_callback (GtkAction *action, 
                  gpointer user_data) 
{
      NautilusWindow *window;
      NautilusWindowSlot *slot;

      window = NAUTILUS_WINDOW (user_data);
      slot = nautilus_window_get_active_slot (window);

      nautilus_window_slot_go_home (slot, 
                              nautilus_event_should_open_in_new_tab ());
}

static void
action_go_to_computer_callback (GtkAction *action, 
                        gpointer user_data) 
{
      NautilusWindow *window;
      NautilusWindowSlot *slot;
      GFile *computer;

      window = NAUTILUS_WINDOW (user_data);
      slot = nautilus_window_get_active_slot (window);

      computer = g_file_new_for_uri (COMPUTER_URI);
      nautilus_window_slot_go_to (slot,
                            computer,
                            nautilus_event_should_open_in_new_tab ());
      g_object_unref (computer);
}

static void
action_go_to_network_callback (GtkAction *action, 
                        gpointer user_data) 
{
      NautilusWindow *window;
      NautilusWindowSlot *slot;
      GFile *network;

      window = NAUTILUS_WINDOW (user_data);
      slot = nautilus_window_get_active_slot (window);

      network = g_file_new_for_uri (NETWORK_URI);
      nautilus_window_slot_go_to (slot,
                            network,
                            nautilus_event_should_open_in_new_tab ());
      g_object_unref (network);
}

static void
action_go_to_templates_callback (GtkAction *action,
                         gpointer user_data) 
{
      NautilusWindow *window;
      NautilusWindowSlot *slot;
      char *path;
      GFile *location;

      window = NAUTILUS_WINDOW (user_data);
      slot = nautilus_window_get_active_slot (window);

      path = nautilus_get_templates_directory ();
      location = g_file_new_for_path (path);
      g_free (path);
      nautilus_window_slot_go_to (slot,
                            location,
                            nautilus_event_should_open_in_new_tab ());
      g_object_unref (location);
}

static void
action_go_to_trash_callback (GtkAction *action, 
                       gpointer user_data) 
{
      NautilusWindow *window;
      NautilusWindowSlot *slot;
      GFile *trash;

      window = NAUTILUS_WINDOW (user_data);
      slot = nautilus_window_get_active_slot (window);

      trash = g_file_new_for_uri ("trash:///");
      nautilus_window_slot_go_to (slot,
                            trash,
                            nautilus_event_should_open_in_new_tab ());
      g_object_unref (trash);
}

static void
action_reload_callback (GtkAction *action, 
                  gpointer user_data) 
{
      NautilusWindowSlot *slot;

      slot = nautilus_window_get_active_slot (NAUTILUS_WINDOW (user_data));
      nautilus_window_slot_reload (slot);
}

static NautilusView *
get_current_view (NautilusWindow *window)
{
      NautilusWindowSlot *slot;
      NautilusView *view;

      slot = nautilus_window_get_active_slot (window);
      view = nautilus_window_slot_get_current_view (slot);

      return view;
}

static void
action_zoom_in_callback (GtkAction *action, 
                   gpointer user_data) 
{

      nautilus_view_bump_zoom_level (get_current_view (user_data), 1);
}

static void
action_zoom_out_callback (GtkAction *action, 
                    gpointer user_data) 
{
      nautilus_view_bump_zoom_level (get_current_view (user_data), -1);
}

static void
action_zoom_normal_callback (GtkAction *action, 
                       gpointer user_data) 
{
      nautilus_view_restore_default_zoom_level (get_current_view (user_data));
}

static void
action_show_hidden_files_callback (GtkAction *action, 
                           gpointer callback_data)
{
      NautilusWindow *window;
      NautilusWindowShowHiddenFilesMode mode;

      window = NAUTILUS_WINDOW (callback_data);

      if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action))) {
            mode = NAUTILUS_WINDOW_SHOW_HIDDEN_FILES_ENABLE;
      } else {
            mode = NAUTILUS_WINDOW_SHOW_HIDDEN_FILES_DISABLE;
      }

      nautilus_window_set_hidden_files_mode (window, mode);
}

static void
show_hidden_files_preference_callback (gpointer callback_data)
{
      NautilusWindow *window;
      GtkAction *action;

      window = NAUTILUS_WINDOW (callback_data);

      if (window->details->show_hidden_files_mode == NAUTILUS_WINDOW_SHOW_HIDDEN_FILES_DEFAULT) {
            action = gtk_action_group_get_action (window->details->main_action_group, NAUTILUS_ACTION_SHOW_HIDDEN_FILES);
            g_assert (GTK_IS_ACTION (action));

            /* update button */
            g_signal_handlers_block_by_func (action, action_show_hidden_files_callback, window);
            gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
                                    g_settings_get_boolean (nautilus_preferences, NAUTILUS_PREFERENCES_SHOW_HIDDEN_FILES));
            g_signal_handlers_unblock_by_func (action, action_show_hidden_files_callback, window);

            /* inform views */
            nautilus_window_set_hidden_files_mode (window, NAUTILUS_WINDOW_SHOW_HIDDEN_FILES_DEFAULT);

      }
}

static void
action_preferences_callback (GtkAction *action, 
                       gpointer user_data)
{
      GtkWindow *window;

      window = GTK_WINDOW (user_data);

      nautilus_file_management_properties_dialog_show (window);
}

static void
action_about_nautilus_callback (GtkAction *action,
                        gpointer user_data)
{
      const gchar *authors[] = {
            "Alexander Larsson",
            "Ali Abdin",
            "Anders Carlsson",
            "Andrew Walton",
            "Andy Hertzfeld",
            "Arlo Rose",
            "Christian Neumair",
            "Cosimo Cecchi",
            "Darin Adler",
            "David Camp",
            "Eli Goldberg",
            "Elliot Lee",
            "Eskil Heyn Olsen",
            "Ettore Perazzoli",
            "Gene Z. Ragan",
            "George Lebl",
            "Ian McKellar",
            "J Shane Culpepper",
            "James Willcox",
            "Jan Arne Petersen",
            "John Harper",
            "John Sullivan",
            "Josh Barrow",
            "Maciej Stachowiak",
            "Mark McLoughlin",
            "Mathieu Lacage",
            "Mike Engber",
            "Mike Fleming",
            "Pavel Cisler",
            "Ramiro Estrugo",
            "Raph Levien",
            "Rebecca Schulman",
            "Robey Pointer",
            "Robin * Slomkowski",
            "Seth Nickell",
            "Susan Kare",
            "Tomas Bzatek",
            NULL
      };
      const gchar *documenters[] = {
            "GNOME Documentation Team",
            "Sun Microsystems",
            NULL
      };
      const gchar *license[] = {
            N_("Nautilus is free software; you can redistribute it and/or modify "
               "it under the terms of the GNU General Public License as published by "
               "the Free Software Foundation; either version 2 of the License, or "
               "(at your option) any later version."),
            N_("Nautilus is distributed in the hope that it will be useful, "
               "but WITHOUT ANY WARRANTY; without even the implied warranty of "
               "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the "
               "GNU General Public License for more details."),
            N_("You should have received a copy of the GNU General Public License "
               "along with Nautilus; if not, write to the Free Software Foundation, Inc., "
               "51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA")
      };
      gchar *license_trans, *copyright_str;
      GDateTime *date;

      license_trans = g_strjoin ("\n\n", _(license[0]), _(license[1]),
                                   _(license[2]), NULL);

      date = g_date_time_new_now_local ();

      /* Translators: these two strings here indicate the copyright time span,
       * e.g. 1999-2011.
       */
      copyright_str = g_strdup_printf (_("Copyright \xC2\xA9 %Id\xE2\x80\x93%Id "
                                 "The Nautilus authors"), 1999, g_date_time_get_year (date));

      gtk_show_about_dialog (GTK_WINDOW (user_data),
                         "program-name", _("Nautilus"),
                         "version", VERSION,
                         "comments", _("Nautilus lets you organize "
                                   "files and folders, both on "
                                   "your computer and online."),
                         "copyright", copyright_str,
                         "license", license_trans,
                         "wrap-license", TRUE,
                         "authors", authors,
                         "documenters", documenters,
                        /* Translators should localize the following string
                         * which will be displayed at the bottom of the about
                         * box to give credit to the translator(s).
                         */
                        "translator-credits", _("translator-credits"),
                        "logo-icon-name", "nautilus",
                        "website", "http://live.gnome.org/Nautilus",
                        "website-label", _("Nautilus Web Site"),
                        NULL);

      g_free (license_trans);
      g_free (copyright_str);
      g_date_time_unref (date);
}

static void
action_up_callback (GtkAction *action, 
                 gpointer user_data) 
{
      NautilusWindow *window = user_data;
      NautilusWindowSlot *slot;

      slot = nautilus_window_get_active_slot (window);
      nautilus_window_slot_go_up (slot, FALSE, nautilus_event_should_open_in_new_tab ());
}

static void
action_nautilus_manual_callback (GtkAction *action, 
                         gpointer user_data)
{
      NautilusWindow *window;
      GError *error;
      GtkWidget *dialog;

      error = NULL;
      window = NAUTILUS_WINDOW (user_data);

      if (NAUTILUS_IS_DESKTOP_WINDOW (window)) {
            nautilus_launch_application_from_command (gtk_window_get_screen (GTK_WINDOW (window)), "gnome-help", FALSE, NULL);
      } else {
            gtk_show_uri (gtk_window_get_screen (GTK_WINDOW (window)),
                        "ghelp:gnome-help#files",
                        gtk_get_current_event_time (), &error);
      }

      if (error) {
            dialog = gtk_message_dialog_new (GTK_WINDOW (window),
                                     GTK_DIALOG_MODAL,
                                     GTK_MESSAGE_ERROR,
                                     GTK_BUTTONS_OK,
                                     _("There was an error displaying help: \n%s"),
                                     error->message);
            g_signal_connect (G_OBJECT (dialog), "response",
                          G_CALLBACK (gtk_widget_destroy),
                          NULL);

            gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
            gtk_widget_show (dialog);
            g_error_free (error);
      }
}

static void
menu_item_select_cb (GtkMenuItem *proxy,
                 NautilusWindow *window)
{
      GtkAction *action;
      char *message;

      action = gtk_activatable_get_related_action (GTK_ACTIVATABLE (proxy));
      g_return_if_fail (action != NULL);
      
      g_object_get (G_OBJECT (action), "tooltip", &message, NULL);
      if (message) {
            gtk_statusbar_push (GTK_STATUSBAR (window->details->statusbar),
                            window->details->help_message_cid, message);
            g_free (message);
      }
}

static void
menu_item_deselect_cb (GtkMenuItem *proxy,
                   NautilusWindow *window)
{
      gtk_statusbar_pop (GTK_STATUSBAR (window->details->statusbar),
                     window->details->help_message_cid);
}

static void
disconnect_proxy_cb (GtkUIManager *manager,
                 GtkAction *action,
                 GtkWidget *proxy,
                 NautilusWindow *window)
{
      if (GTK_IS_MENU_ITEM (proxy)) {
            g_signal_handlers_disconnect_by_func
                  (proxy, G_CALLBACK (menu_item_select_cb), window);
            g_signal_handlers_disconnect_by_func
                  (proxy, G_CALLBACK (menu_item_deselect_cb), window);
      }
}

static void
trash_state_changed_cb (NautilusTrashMonitor *monitor,
                  gboolean state,
                  NautilusWindow *window)
{
      GtkActionGroup *action_group;
      GtkAction *action;
      GIcon *gicon;

      action_group = window->details->main_action_group;
      action = gtk_action_group_get_action (action_group, "Go to Trash");

      gicon = nautilus_trash_monitor_get_icon ();

      if (gicon) {
            g_object_set (action, "gicon", gicon, NULL);
            g_object_unref (gicon);
      }
}

static void
nautilus_window_initialize_trash_icon_monitor (NautilusWindow *window)
{
      NautilusTrashMonitor *monitor;

      monitor = nautilus_trash_monitor_get ();

      trash_state_changed_cb (monitor, TRUE, window);

      g_signal_connect (monitor, "trash_state_changed",
                    G_CALLBACK (trash_state_changed_cb), window);
}

#define MENU_PATH_HISTORY_PLACEHOLDER                 "/MenuBar/Other Menus/Go/History Placeholder"

#define RESPONSE_FORGET       1000
#define MENU_ITEM_MAX_WIDTH_CHARS 32

enum {
      SIDEBAR_PLACES,
      SIDEBAR_TREE
};

static void
action_close_all_windows_callback (GtkAction *action, 
                           gpointer user_data)
{
      nautilus_application_close_all_windows (nautilus_application_get_singleton ());
}

static void
action_back_callback (GtkAction *action, 
                  gpointer user_data) 
{
      nautilus_window_back_or_forward (NAUTILUS_WINDOW (user_data), 
                               TRUE, 0, nautilus_event_should_open_in_new_tab ());
}

static void
action_forward_callback (GtkAction *action, 
                   gpointer user_data) 
{
      nautilus_window_back_or_forward (NAUTILUS_WINDOW (user_data), 
                               FALSE, 0, nautilus_event_should_open_in_new_tab ());
}

static void
forget_history_if_yes (GtkDialog *dialog, int response, gpointer callback_data)
{
      if (response == RESPONSE_FORGET) {
            nautilus_forget_history ();
      }
      gtk_widget_destroy (GTK_WIDGET (dialog));
}

static void
forget_history_if_confirmed (NautilusWindow *window)
{
      GtkDialog *dialog;

      dialog = eel_create_question_dialog (_("Are you sure you want to clear the list "
                                     "of locations you have visited?"),
                                   NULL,
                                   GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                   GTK_STOCK_CLEAR, RESPONSE_FORGET,
                                   GTK_WINDOW (window));

      gtk_widget_show (GTK_WIDGET (dialog));
      
      g_signal_connect (dialog, "response",
                    G_CALLBACK (forget_history_if_yes), NULL);

      gtk_dialog_set_default_response (dialog, GTK_RESPONSE_CANCEL);
}

static void
action_clear_history_callback (GtkAction *action, 
                         gpointer user_data) 
{
      forget_history_if_confirmed (NAUTILUS_WINDOW (user_data));
}

static void
action_split_view_switch_next_pane_callback(GtkAction *action,
                                  gpointer user_data)
{
      nautilus_window_pane_grab_focus (nautilus_window_get_next_pane (NAUTILUS_WINDOW (user_data)));
}

static void
action_split_view_same_location_callback (GtkAction *action,
                                gpointer user_data)
{
      NautilusWindow *window;
      NautilusWindowPane *next_pane;
      GFile *location;

      window = NAUTILUS_WINDOW (user_data);
      next_pane = nautilus_window_get_next_pane (window);

      if (!next_pane) {
            return;
      }
      location = nautilus_window_slot_get_location (next_pane->active_slot);
      if (location) {
            nautilus_window_slot_go_to (window->details->active_pane->active_slot, location, FALSE);
            g_object_unref (location);
      }
}

static void
action_show_hide_sidebar_callback (GtkAction *action, 
                           gpointer user_data)
{
      NautilusWindow *window;

      window = NAUTILUS_WINDOW (user_data);

      if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action))) {
            nautilus_window_show_sidebar (window);
      } else {
            nautilus_window_hide_sidebar (window);
      }
}

static void
action_split_view_callback (GtkAction *action,
                      gpointer user_data)
{
      NautilusWindow *window;
      gboolean is_active;

      window = NAUTILUS_WINDOW (user_data);

      is_active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
      if (is_active != nautilus_window_split_view_showing (window)) {
            NautilusWindow *nautilus_window;

            if (is_active) {
                  nautilus_window_split_view_on (window);
            } else {
                  nautilus_window_split_view_off (window);
            }
            nautilus_window = NAUTILUS_WINDOW (window);
            if (nautilus_window->details->active_pane && nautilus_window->details->active_pane->active_slot) {
                  nautilus_view_update_menus (nautilus_window->details->active_pane->active_slot->content_view);
            }
      }
}


/* TODO: bind all of this with g_settings_bind and GBinding */
static guint
sidebar_id_to_value (const gchar *sidebar_id)
{
      guint retval = SIDEBAR_PLACES;

      if (g_strcmp0 (sidebar_id, NAUTILUS_WINDOW_SIDEBAR_TREE) == 0)
            retval = SIDEBAR_TREE;

      return retval;
}

void
nautilus_window_update_show_hide_menu_items (NautilusWindow *window) 
{
      GtkAction *action;
      guint current_value;

      g_assert (NAUTILUS_IS_WINDOW (window));

      action = gtk_action_group_get_action (window->details->main_action_group,
                                    NAUTILUS_ACTION_SHOW_HIDE_EXTRA_PANE);
      gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
                              nautilus_window_split_view_showing (window));

      action = gtk_action_group_get_action (window->details->main_action_group,
                                    "Sidebar Places");
      current_value = sidebar_id_to_value (window->details->sidebar_id);
      gtk_radio_action_set_current_value (GTK_RADIO_ACTION (action), current_value);
}

static void
action_add_bookmark_callback (GtkAction *action,
                        gpointer user_data)
{
        nautilus_window_add_bookmark_for_current_location (NAUTILUS_WINDOW (user_data));
}

static void
action_edit_bookmarks_callback (GtkAction *action, 
                        gpointer user_data)
{
        nautilus_window_edit_bookmarks (NAUTILUS_WINDOW (user_data));
}

static void
connect_proxy_cb (GtkActionGroup *action_group,
                  GtkAction *action,
                  GtkWidget *proxy,
                  NautilusWindow *window)
{
      GtkLabel *label;

      if (!GTK_IS_MENU_ITEM (proxy))
            return;

      label = GTK_LABEL (gtk_bin_get_child (GTK_BIN (proxy)));

      gtk_label_set_ellipsize (label, PANGO_ELLIPSIZE_END);
      gtk_label_set_max_width_chars (label, MENU_ITEM_MAX_WIDTH_CHARS);

      g_signal_connect (proxy, "select",
                    G_CALLBACK (menu_item_select_cb), window);
      g_signal_connect (proxy, "deselect",
                    G_CALLBACK (menu_item_deselect_cb), window);
}

static const char* icon_entries[] = {
      "/MenuBar/Other Menus/Go/Home",
      "/MenuBar/Other Menus/Go/Computer",
      "/MenuBar/Other Menus/Go/Go to Templates",
      "/MenuBar/Other Menus/Go/Go to Trash",
      "/MenuBar/Other Menus/Go/Go to Network",
      "/MenuBar/Other Menus/Go/Go to Location"
};

/**
 * refresh_go_menu:
 * 
 * Refresh list of bookmarks at end of Go menu to match centralized history list.
 * @window: The NautilusWindow whose Go menu will be refreshed.
 **/
static void
nautilus_window_initialize_go_menu (NautilusWindow *window)
{
      GtkUIManager *ui_manager;
      GtkWidget *menuitem;
      int i;

      g_assert (NAUTILUS_IS_WINDOW (window));

      ui_manager = nautilus_window_get_ui_manager (NAUTILUS_WINDOW (window));

      for (i = 0; i < G_N_ELEMENTS (icon_entries); i++) {
            menuitem = gtk_ui_manager_get_widget (
                        ui_manager,
                        icon_entries[i]);

            gtk_image_menu_item_set_always_show_image (
                        GTK_IMAGE_MENU_ITEM (menuitem), TRUE);
      }
}

void
nautilus_window_update_split_view_actions_sensitivity (NautilusWindow *window)
{
      NautilusWindow *win;
      GtkActionGroup *action_group;
      GtkAction *action;
      gboolean have_multiple_panes;
      gboolean next_pane_is_in_same_location;
      GFile *active_pane_location;
      GFile *next_pane_location;
      NautilusWindowPane *next_pane;

      g_assert (NAUTILUS_IS_WINDOW (window));

      action_group = window->details->main_action_group;
      win = NAUTILUS_WINDOW (window);

      /* collect information */
      have_multiple_panes = (win->details->panes && win->details->panes->next);
      if (win->details->active_pane->active_slot) {
            active_pane_location = nautilus_window_slot_get_location (win->details->active_pane->active_slot);
      }
      else {
            active_pane_location = NULL;
      }
      next_pane = nautilus_window_get_next_pane (win);
      if (next_pane && next_pane->active_slot) {
            next_pane_location = nautilus_window_slot_get_location (next_pane->active_slot);
            next_pane_is_in_same_location = (active_pane_location && next_pane_location &&
                                     g_file_equal (active_pane_location, next_pane_location));
      }
      else {
            next_pane_location = NULL;
            next_pane_is_in_same_location = FALSE;
      }

      /* switch to next pane */
      action = gtk_action_group_get_action (action_group, "SplitViewNextPane");
      gtk_action_set_sensitive (action, have_multiple_panes);

      /* same location */
      action = gtk_action_group_get_action (action_group, "SplitViewSameLocation");
      gtk_action_set_sensitive (action, have_multiple_panes && !next_pane_is_in_same_location);

      /* clean up */
      if (active_pane_location) {
            g_object_unref (active_pane_location);
      }
      if (next_pane_location) {
            g_object_unref (next_pane_location);
      }
}

static void
action_new_window_callback (GtkAction *action,
                      gpointer user_data)
{
      NautilusApplication *application;
      NautilusWindow *current_window, *new_window;

      current_window = NAUTILUS_WINDOW (user_data);
      application = nautilus_application_get_singleton ();

      new_window = nautilus_application_create_window (
                        application,
                        gtk_window_get_screen (GTK_WINDOW (current_window)));
      nautilus_window_slot_go_home (nautilus_window_get_active_slot (new_window), FALSE);
}

static void
action_new_tab_callback (GtkAction *action,
                   gpointer user_data)
{
      NautilusWindow *window;

      window = NAUTILUS_WINDOW (user_data);
      nautilus_window_new_tab (window);
}

static void
action_go_to_location_callback (GtkAction *action,
                        gpointer user_data)
{
      NautilusWindow *window;

      window = NAUTILUS_WINDOW (user_data);

      nautilus_window_prompt_for_location (window, NULL);
}

static void
action_tabs_previous_callback (GtkAction *action,
                         gpointer user_data)
{
      NautilusWindowPane *pane;

      pane = NAUTILUS_WINDOW (user_data)->details->active_pane;
      nautilus_notebook_set_current_page_relative (NAUTILUS_NOTEBOOK (pane->notebook), -1);
}

static void
action_tabs_next_callback (GtkAction *action,
                     gpointer user_data)
{
      NautilusWindowPane *pane;

      pane = NAUTILUS_WINDOW (user_data)->details->active_pane;
      nautilus_notebook_set_current_page_relative (NAUTILUS_NOTEBOOK (pane->notebook), 1);
}

static void
action_tabs_move_left_callback (GtkAction *action,
                        gpointer user_data)
{
      NautilusWindowPane *pane;

      pane = NAUTILUS_WINDOW (user_data)->details->active_pane;
      nautilus_notebook_reorder_current_child_relative (NAUTILUS_NOTEBOOK (pane->notebook), -1);
}

static void
action_tabs_move_right_callback (GtkAction *action,
                         gpointer user_data)
{
      NautilusWindowPane *pane;

      pane = NAUTILUS_WINDOW (user_data)->details->active_pane;
      nautilus_notebook_reorder_current_child_relative (NAUTILUS_NOTEBOOK (pane->notebook), 1);
}

static void
action_tab_change_action_activate_callback (GtkAction *action, gpointer user_data)
{
      NautilusWindow *window;

      window = NAUTILUS_WINDOW (user_data);
      if (window && window->details->active_pane) {
            GtkNotebook *notebook;
            notebook = GTK_NOTEBOOK (window->details->active_pane->notebook);
            if (notebook) {
                  int num;
                  num = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (action), "num"));
                  if (num < gtk_notebook_get_n_pages (notebook)) {
                        gtk_notebook_set_current_page (notebook, num);
                  }
            }
      }
}

static void
sidebar_radio_entry_changed_cb (GtkAction *action,
                        GtkRadioAction *current,
                        gpointer user_data)
{
      gint current_value;

      current_value = gtk_radio_action_get_current_value (current);

      if (current_value == SIDEBAR_PLACES) {
            g_settings_set_string (nautilus_window_state,
                               NAUTILUS_WINDOW_STATE_SIDE_PANE_VIEW,
                               NAUTILUS_WINDOW_SIDEBAR_PLACES);
      } else if (current_value == SIDEBAR_TREE) {
            g_settings_set_string (nautilus_window_state,
                               NAUTILUS_WINDOW_STATE_SIDE_PANE_VIEW,
                               NAUTILUS_WINDOW_SIDEBAR_TREE);
      }
}

static const GtkActionEntry main_entries[] = {
  /* name, stock id, label */  { "File", NULL, N_("_File") },
  /* name, stock id, label */  { "Edit", NULL, N_("_Edit") },
  /* name, stock id, label */  { "View", NULL, N_("_View") },
  /* name, stock id, label */  { "Help", NULL, N_("_Help") },
  /* name, stock id */         { "Close", GTK_STOCK_CLOSE,
  /* label, accelerator */       N_("_Close"), "<control>W",
  /* tooltip */                  N_("Close this folder"),
                                 G_CALLBACK (action_close_window_slot_callback) },
                               { "Preferences", GTK_STOCK_PREFERENCES,
                                 N_("Prefere_nces"),               
                                 NULL, N_("Edit Nautilus preferences"),
                                 G_CALLBACK (action_preferences_callback) },
  /* name, stock id, label */  { "Undo", NULL, N_("_Undo"),
                                 "<control>Z", N_("Undo the last text change"),
                                 G_CALLBACK (action_undo_callback) },
  /* name, stock id, label */  { "Up", GTK_STOCK_GO_UP, N_("Open _Parent"),
                                 "<alt>Up", N_("Open the parent folder"),
                                 G_CALLBACK (action_up_callback) },
  /* name, stock id, label */  { "UpAccel", NULL, "UpAccel",
                                 "", NULL,
                                 G_CALLBACK (action_up_callback) },
  /* name, stock id */         { "Stop", GTK_STOCK_STOP,
  /* label, accelerator */       N_("_Stop"), NULL,
  /* tooltip */                  N_("Stop loading the current location"),
                                 G_CALLBACK (action_stop_callback) },
  /* name, stock id */         { "Reload", GTK_STOCK_REFRESH,
  /* label, accelerator */       N_("_Reload"), "<control>R",
  /* tooltip */                  N_("Reload the current location"),
                                 G_CALLBACK (action_reload_callback) },
  /* name, stock id */         { "Nautilus Manual", GTK_STOCK_HELP,
  /* label, accelerator */       N_("_Contents"), "F1",
  /* tooltip */                  N_("Display Nautilus help"),
                                 G_CALLBACK (action_nautilus_manual_callback) },
  /* name, stock id */         { "About Nautilus", GTK_STOCK_ABOUT,
  /* label, accelerator */       N_("_About"), NULL,
  /* tooltip */                  N_("Display credits for the creators of Nautilus"),
                                 G_CALLBACK (action_about_nautilus_callback) },
  /* name, stock id */         { "Zoom In", GTK_STOCK_ZOOM_IN,
  /* label, accelerator */       N_("Zoom _In"), "<control>plus",
  /* tooltip */                  N_("Increase the view size"),
                                 G_CALLBACK (action_zoom_in_callback) },
  /* name, stock id */         { "ZoomInAccel", NULL,
  /* label, accelerator */       "ZoomInAccel", "<control>equal",
  /* tooltip */                  NULL,
                                 G_CALLBACK (action_zoom_in_callback) },
  /* name, stock id */         { "ZoomInAccel2", NULL,
  /* label, accelerator */       "ZoomInAccel2", "<control>KP_Add",
  /* tooltip */                  NULL,
                                 G_CALLBACK (action_zoom_in_callback) },
  /* name, stock id */         { "Zoom Out", GTK_STOCK_ZOOM_OUT,
  /* label, accelerator */       N_("Zoom _Out"), "<control>minus",
  /* tooltip */                  N_("Decrease the view size"),
                                 G_CALLBACK (action_zoom_out_callback) },
  /* name, stock id */         { "ZoomOutAccel", NULL,
  /* label, accelerator */       "ZoomOutAccel", "<control>KP_Subtract",
  /* tooltip */                  NULL,
                                 G_CALLBACK (action_zoom_out_callback) },
  /* name, stock id */         { "Zoom Normal", GTK_STOCK_ZOOM_100,
  /* label, accelerator */       N_("Normal Si_ze"), "<control>0",
  /* tooltip */                  N_("Use the normal view size"),
                                 G_CALLBACK (action_zoom_normal_callback) },
  /* name, stock id */         { "Connect to Server", NULL, 
  /* label, accelerator */       N_("Connect to _Server..."), NULL,
  /* tooltip */                  N_("Connect to a remote computer or shared disk"),
                                 G_CALLBACK (action_connect_to_server_callback) },
  /* name, stock id */         { "Home", NAUTILUS_ICON_HOME,
  /* label, accelerator */       N_("_Home"), "<alt>Home",
  /* tooltip */                  N_("Open your personal folder"),
                                 G_CALLBACK (action_home_callback) },
  /* name, stock id */         { "Go to Computer", NAUTILUS_ICON_COMPUTER,
  /* label, accelerator */       N_("_Computer"), NULL,
  /* tooltip */                  N_("Browse all local and remote disks and folders accessible from this computer"),
                                 G_CALLBACK (action_go_to_computer_callback) },
  /* name, stock id */         { "Go to Network", NAUTILUS_ICON_NETWORK,
  /* label, accelerator */       N_("_Network"), NULL,
  /* tooltip */                  N_("Browse bookmarked and local network locations"),
                                 G_CALLBACK (action_go_to_network_callback) },
  /* name, stock id */         { "Go to Templates", NAUTILUS_ICON_TEMPLATE,
  /* label, accelerator */       N_("T_emplates"), NULL,
  /* tooltip */                  N_("Open your personal templates folder"),
                                 G_CALLBACK (action_go_to_templates_callback) },
  /* name, stock id */         { "Go to Trash", NAUTILUS_ICON_TRASH,
  /* label, accelerator */       N_("_Trash"), NULL,
  /* tooltip */                  N_("Open your personal trash folder"),
                                 G_CALLBACK (action_go_to_trash_callback) },
  /* name, stock id, label */  { "Go", NULL, N_("_Go") },
  /* name, stock id, label */  { "Bookmarks", NULL, N_("_Bookmarks") },
  /* name, stock id, label */  { "Tabs", NULL, N_("_Tabs") },
  /* name, stock id, label */  { "New Window", "window-new", N_("New _Window"),
                                 "<control>N", N_("Open another Nautilus window for the displayed location"),
                                 G_CALLBACK (action_new_window_callback) },
  /* name, stock id, label */  { "New Tab", "tab-new", N_("New _Tab"),
                                 "<control>T", N_("Open another tab for the displayed location"),
                                 G_CALLBACK (action_new_tab_callback) },
  /* name, stock id, label */  { "Close All Windows", NULL, N_("Close _All Windows"),
                                 "<control>Q", N_("Close all Navigation windows"),
                                 G_CALLBACK (action_close_all_windows_callback) },
  /* name, stock id, label */  { NAUTILUS_ACTION_BACK, GTK_STOCK_GO_BACK, N_("_Back"),
                         "<alt>Left", N_("Go to the previous visited location"),
                         G_CALLBACK (action_back_callback) },
  /* name, stock id, label */  { NAUTILUS_ACTION_FORWARD, GTK_STOCK_GO_FORWARD, N_("_Forward"),
                         "<alt>Right", N_("Go to the next visited location"),
                         G_CALLBACK (action_forward_callback) },
  /* name, stock id, label */  { "Go to Location", NULL, N_("_Location..."),
                                 "<control>L", N_("Specify a location to open"),
                                 G_CALLBACK (action_go_to_location_callback) },
  /* name, stock id, label */  { "Clear History", NULL, N_("Clea_r History"),
                                 NULL, N_("Clear contents of Go menu and Back/Forward lists"),
                                 G_CALLBACK (action_clear_history_callback) },
  /* name, stock id, label */  { "SplitViewNextPane", NULL, N_("S_witch to Other Pane"),
                         "F6", N_("Move focus to the other pane in a split view window"),
                         G_CALLBACK (action_split_view_switch_next_pane_callback) },
  /* name, stock id, label */  { "SplitViewSameLocation", NULL, N_("Sa_me Location as Other Pane"),
                         NULL, N_("Go to the same location as in the extra pane"),
                         G_CALLBACK (action_split_view_same_location_callback) },
  /* name, stock id, label */  { "Add Bookmark", GTK_STOCK_ADD, N_("_Add Bookmark"),
                                 "<control>d", N_("Add a bookmark for the current location to this menu"),
                                 G_CALLBACK (action_add_bookmark_callback) },
  /* name, stock id, label */  { "Edit Bookmarks", NULL, N_("_Edit Bookmarks..."),
                                 "<control>b", N_("Display a window that allows editing the bookmarks in this menu"),
                                 G_CALLBACK (action_edit_bookmarks_callback) },
  { "TabsPrevious", NULL, N_("_Previous Tab"), "<control>Page_Up",
    N_("Activate previous tab"),
    G_CALLBACK (action_tabs_previous_callback) },
  { "TabsNext", NULL, N_("_Next Tab"), "<control>Page_Down",
    N_("Activate next tab"),
    G_CALLBACK (action_tabs_next_callback) },
  { "TabsMoveLeft", NULL, N_("Move Tab _Left"), "<shift><control>Page_Up",
    N_("Move current tab to left"),
    G_CALLBACK (action_tabs_move_left_callback) },
  { "TabsMoveRight", NULL, N_("Move Tab _Right"), "<shift><control>Page_Down",
    N_("Move current tab to right"),
    G_CALLBACK (action_tabs_move_right_callback) },
  { "Sidebar List", NULL, N_("Sidebar") }
};

static const GtkToggleActionEntry main_toggle_entries[] = {
  /* name, stock id */         { "Show Hidden Files", NULL,
  /* label, accelerator */       N_("Show _Hidden Files"), "<control>H",
  /* tooltip */                  N_("Toggle the display of hidden files in the current window"),
                                 G_CALLBACK (action_show_hidden_files_callback),
                                 TRUE },
  /* name, stock id */     { "Show Hide Toolbar", NULL,
  /* label, accelerator */   N_("_Main Toolbar"), NULL,
  /* tooltip */              N_("Change the visibility of this window's main toolbar"),
                       NULL,
  /* is_active */            TRUE }, 
  /* name, stock id */     { "Show Hide Sidebar", NULL,
  /* label, accelerator */   N_("_Show Sidebar"), "F9",
  /* tooltip */              N_("Change the visibility of this window's side pane"),
                             G_CALLBACK (action_show_hide_sidebar_callback),
  /* is_active */            TRUE }, 
  /* name, stock id */     { "Show Hide Statusbar", NULL,
  /* label, accelerator */   N_("St_atusbar"), NULL,
  /* tooltip */              N_("Change the visibility of this window's statusbar"),
                             NULL,
  /* is_active */            TRUE },
  /* name, stock id */     { "Search", "edit-find-symbolic",
  /* label, accelerator */   N_("_Search for Files..."), "<control>f",
  /* tooltip */              N_("Search documents and folders by name"),
                       NULL,
  /* is_active */            FALSE },
  /* name, stock id */     { NAUTILUS_ACTION_SHOW_HIDE_EXTRA_PANE, NULL,
  /* label, accelerator */   N_("E_xtra Pane"), "F3",
  /* tooltip */              N_("Open an extra folder view side-by-side"),
                             G_CALLBACK (action_split_view_callback),
  /* is_active */            FALSE },
};

static const GtkRadioActionEntry main_radio_entries[] = {
      { "Sidebar Places", NULL,
        N_("Places"), NULL, N_("Select Places as the default sidebar"),
        SIDEBAR_PLACES },
      { "Sidebar Tree", NULL,
        N_("Tree"), NULL, N_("Select Tree as the default sidebar"),
        SIDEBAR_TREE }
};

GtkActionGroup *
nautilus_window_create_toolbar_action_group (NautilusWindow *window)
{
      GtkActionGroup *action_group;
      GtkAction *action;

      action_group = gtk_action_group_new ("ToolbarActions");
      gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);

      action = g_object_new (NAUTILUS_TYPE_NAVIGATION_ACTION,
                         "name", NAUTILUS_ACTION_BACK,
                         "label", _("_Back"),
                         "stock_id", GTK_STOCK_GO_BACK,
                         "tooltip", _("Go to the previous visited location"),
                         "arrow-tooltip", _("Back history"),
                         "window", window,
                         "direction", NAUTILUS_NAVIGATION_DIRECTION_BACK,
                         NULL);
      g_signal_connect (action, "activate",
                    G_CALLBACK (action_back_callback), window);
      gtk_action_group_add_action (action_group, action);

      g_object_unref (action);

      action = g_object_new (NAUTILUS_TYPE_NAVIGATION_ACTION,
                         "name", NAUTILUS_ACTION_FORWARD,
                         "label", _("_Forward"),
                         "stock_id", GTK_STOCK_GO_FORWARD,
                         "tooltip", _("Go to the next visited location"),
                         "arrow-tooltip", _("Forward history"),
                         "window", window,
                         "direction", NAUTILUS_NAVIGATION_DIRECTION_FORWARD,
                         NULL);
      g_signal_connect (action, "activate",
                    G_CALLBACK (action_forward_callback), window);
      gtk_action_group_add_action (action_group, action);

      g_object_unref (action);

      action = GTK_ACTION
            (gtk_toggle_action_new (NAUTILUS_ACTION_SEARCH,
                              _("Search"),
                              _("Search documents and folders by name"),
                              NULL));
      gtk_action_group_add_action (action_group, action);
      gtk_action_set_icon_name (GTK_ACTION (action), "edit-find-symbolic");
      gtk_action_set_is_important (GTK_ACTION (action), TRUE);

      g_object_unref (action);

      nautilus_navigation_state_add_group (window->details->nav_state,
                                   action_group);

      return action_group;
}

static void
window_menus_set_bindings (NautilusWindow *window)
{
      GtkAction *action;

      action = gtk_action_group_get_action (window->details->main_action_group,
                                    NAUTILUS_ACTION_SHOW_HIDE_TOOLBAR);

      g_settings_bind (nautilus_window_state,
                   NAUTILUS_WINDOW_STATE_START_WITH_TOOLBAR,
                   action,
                   "active",
                   G_SETTINGS_BIND_DEFAULT);

      action = gtk_action_group_get_action (window->details->main_action_group,
                                    NAUTILUS_ACTION_SHOW_HIDE_STATUSBAR);

      g_settings_bind (nautilus_window_state,
                   NAUTILUS_WINDOW_STATE_START_WITH_STATUS_BAR,
                   action,
                   "active",
                   G_SETTINGS_BIND_DEFAULT);

      action = gtk_action_group_get_action (window->details->main_action_group,
                                    NAUTILUS_ACTION_SHOW_HIDE_SIDEBAR); 

      g_settings_bind (nautilus_window_state,
                   NAUTILUS_WINDOW_STATE_START_WITH_SIDEBAR,
                   action,
                   "active",
                   G_SETTINGS_BIND_DEFAULT);
}

void 
nautilus_window_initialize_actions (NautilusWindow *window)
{
      GtkActionGroup *action_group;
      const gchar *nav_state_actions[] = {
            NAUTILUS_ACTION_BACK, NAUTILUS_ACTION_FORWARD,
            NAUTILUS_ACTION_SEARCH, NULL
      };

      action_group = window->details->main_action_group;
      window->details->nav_state = nautilus_navigation_state_new (action_group,
                                                    nav_state_actions);

      window_menus_set_bindings (window);
      nautilus_window_update_show_hide_menu_items (window);

      g_signal_connect (window, "loading_uri",
                    G_CALLBACK (nautilus_window_update_split_view_actions_sensitivity),
                    NULL);
}

/**
 * nautilus_window_initialize_menus
 * 
 * Create and install the set of menus for this window.
 * @window: A recently-created NautilusWindow.
 */
void 
nautilus_window_initialize_menus (NautilusWindow *window)
{
      GtkActionGroup *action_group;
      GtkUIManager *ui_manager;
      GtkAction *action;
      const char *ui;
      gint i;

      window->details->ui_manager = gtk_ui_manager_new ();
      ui_manager = window->details->ui_manager;

      /* shell actions */
      action_group = gtk_action_group_new ("ShellActions");
      gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
      window->details->main_action_group = action_group;
      gtk_action_group_add_actions (action_group, 
                              main_entries, G_N_ELEMENTS (main_entries),
                              window);
      gtk_action_group_add_toggle_actions (action_group, 
                                   main_toggle_entries, G_N_ELEMENTS (main_toggle_entries),
                                   window);
      gtk_action_group_add_radio_actions (action_group,
                                  main_radio_entries, G_N_ELEMENTS (main_radio_entries),
                                  0, G_CALLBACK (sidebar_radio_entry_changed_cb),
                                  window);

      action = gtk_action_group_get_action (action_group, NAUTILUS_ACTION_UP);
      g_object_set (action, "short_label", _("_Up"), NULL);

      action = gtk_action_group_get_action (action_group, NAUTILUS_ACTION_HOME);
      g_object_set (action, "short_label", _("_Home"), NULL);

      action = gtk_action_group_get_action (action_group, NAUTILUS_ACTION_SHOW_HIDDEN_FILES);
      g_signal_handlers_block_by_func (action, action_show_hidden_files_callback, window);
      gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
                              g_settings_get_boolean (nautilus_preferences, NAUTILUS_PREFERENCES_SHOW_HIDDEN_FILES));
      g_signal_handlers_unblock_by_func (action, action_show_hidden_files_callback, window);


      g_signal_connect_swapped (nautilus_preferences, "changed::" NAUTILUS_PREFERENCES_SHOW_HIDDEN_FILES,
                          G_CALLBACK(show_hidden_files_preference_callback),
                          window);

      /* Alt+N for the first 10 tabs */
      for (i = 0; i < 10; ++i) {
            gchar action_name[80];
            gchar accelerator[80];

            snprintf(action_name, sizeof (action_name), "Tab%d", i);
            action = gtk_action_new (action_name, NULL, NULL, NULL);
            g_object_set_data (G_OBJECT (action), "num", GINT_TO_POINTER (i));
            g_signal_connect (action, "activate",
                        G_CALLBACK (action_tab_change_action_activate_callback), window);
            snprintf(accelerator, sizeof (accelerator), "<alt>%d", (i+1)%10);
            gtk_action_group_add_action_with_accel (action_group, action, accelerator);
            g_object_unref (action);
            gtk_ui_manager_add_ui (ui_manager,
                        gtk_ui_manager_new_merge_id (ui_manager),
                        "/",
                        action_name,
                        action_name,
                        GTK_UI_MANAGER_ACCELERATOR,
                        FALSE);

      }

      gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
      g_object_unref (action_group); /* owned by ui_manager */

      gtk_window_add_accel_group (GTK_WINDOW (window),
                            gtk_ui_manager_get_accel_group (ui_manager));
      
      g_signal_connect (ui_manager, "connect_proxy",
                    G_CALLBACK (connect_proxy_cb), window);
      g_signal_connect (ui_manager, "disconnect_proxy",
                    G_CALLBACK (disconnect_proxy_cb), window);

      /* add the UI */
      ui = nautilus_ui_string_get ("nautilus-shell-ui.xml");
      gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, NULL);

      nautilus_window_initialize_trash_icon_monitor (window);
      nautilus_window_initialize_go_menu (window);
}

static GList *
get_extension_menus (NautilusWindow *window)
{
      NautilusWindowSlot *slot;
      GList *providers;
      GList *items;
      GList *l;
      
      providers = nautilus_module_get_extensions_for_type (NAUTILUS_TYPE_MENU_PROVIDER);
      items = NULL;

      slot = nautilus_window_get_active_slot (window);

      for (l = providers; l != NULL; l = l->next) {
            NautilusMenuProvider *provider;
            GList *file_items;
            
            provider = NAUTILUS_MENU_PROVIDER (l->data);
            file_items = nautilus_menu_provider_get_background_items (provider,
                                                        GTK_WIDGET (window),
                                                        slot->viewed_file);
            items = g_list_concat (items, file_items);
      }

      nautilus_module_extension_list_free (providers);

      return items;
}

static void
add_extension_menu_items (NautilusWindow *window,
                    guint merge_id,
                    GtkActionGroup *action_group,
                    GList *menu_items,
                    const char *subdirectory)
{
      GtkUIManager *ui_manager;
      GList *l;

      ui_manager = window->details->ui_manager;
      
      for (l = menu_items; l; l = l->next) {
            NautilusMenuItem *item;
            NautilusMenu *menu;
            GtkAction *action;
            char *path;
            
            item = NAUTILUS_MENU_ITEM (l->data);
            
            g_object_get (item, "menu", &menu, NULL);
            
            action = nautilus_action_from_menu_item (item);
            gtk_action_group_add_action_with_accel (action_group, action, NULL);
            
            path = g_build_path ("/", POPUP_PATH_EXTENSION_ACTIONS, subdirectory, NULL);
            gtk_ui_manager_add_ui (ui_manager,
                               merge_id,
                               path,
                               gtk_action_get_name (action),
                               gtk_action_get_name (action),
                               (menu != NULL) ? GTK_UI_MANAGER_MENU : GTK_UI_MANAGER_MENUITEM,
                               FALSE);
            g_free (path);

            path = g_build_path ("/", MENU_PATH_EXTENSION_ACTIONS, subdirectory, NULL);
            gtk_ui_manager_add_ui (ui_manager,
                               merge_id,
                               path,
                               gtk_action_get_name (action),
                               gtk_action_get_name (action),
                               (menu != NULL) ? GTK_UI_MANAGER_MENU : GTK_UI_MANAGER_MENUITEM,
                               FALSE);
            g_free (path);

            /* recursively fill the menu */                  
            if (menu != NULL) {
                  char *subdir;
                  GList *children;
                  
                  children = nautilus_menu_get_items (menu);
                  
                  subdir = g_build_path ("/", subdirectory, "/", gtk_action_get_name (action), NULL);
                  add_extension_menu_items (window,
                                      merge_id,
                                      action_group,
                                      children,
                                      subdir);

                  nautilus_menu_item_list_free (children);
                  g_free (subdir);
            }                 
      }
}

void
nautilus_window_load_extension_menus (NautilusWindow *window)
{
      GtkActionGroup *action_group;
      GList *items;
      guint merge_id;

      if (window->details->extensions_menu_merge_id != 0) {
            gtk_ui_manager_remove_ui (window->details->ui_manager,
                                window->details->extensions_menu_merge_id);
            window->details->extensions_menu_merge_id = 0;
      }

      if (window->details->extensions_menu_action_group != NULL) {
            gtk_ui_manager_remove_action_group (window->details->ui_manager,
                                        window->details->extensions_menu_action_group);
            window->details->extensions_menu_action_group = NULL;
      }
      
      merge_id = gtk_ui_manager_new_merge_id (window->details->ui_manager);
      window->details->extensions_menu_merge_id = merge_id;
      action_group = gtk_action_group_new ("ExtensionsMenuGroup");
      window->details->extensions_menu_action_group = action_group;
      gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
      gtk_ui_manager_insert_action_group (window->details->ui_manager, action_group, 0);
      g_object_unref (action_group); /* owned by ui manager */

      items = get_extension_menus (window);

      if (items != NULL) {
            add_extension_menu_items (window, merge_id, action_group, items, "");

            g_list_foreach (items, (GFunc) g_object_unref, NULL);
            g_list_free (items);
      }
}

void
nautilus_window_remove_trash_monitor_callback (NautilusWindow *window)
{
      NautilusTrashMonitor *monitor;

      monitor = nautilus_trash_monitor_get ();

      g_signal_handlers_disconnect_by_func (monitor,
                                    trash_state_changed_cb, window);
}


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