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gnome-keyboard-properties-xkb.c

/* -*- mode: c; style: linux -*- */

/* gnome-keyboard-properties-xkb.c
 * Copyright (C) 2003-2007 Sergey V. Udaltsov
 *
 * Written by: Sergey V. Udaltsov <svu@gnome.org>
 *
 * This program 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, or (at your option)
 * any later version.
 *
 * This program 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., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <string.h>
#include <gdk/gdkx.h>
#include <gconf/gconf-client.h>
#include <glib/gi18n.h>

#include "capplet-util.h"
#include "gconf-property-editor.h"

#include "gnome-keyboard-properties-xkb.h"

#include <libgnomekbd/gkbd-desktop-config.h>

XklEngine *engine;
XklConfigRegistry *config_registry;

GkbdKeyboardConfig initial_config;
GkbdDesktopConfig desktop_config;

GConfClient *xkb_gconf_client;

char *
xci_desc_to_utf8 (XklConfigItem * ci)
{
      char *sd = g_strstrip (ci->description);
      return sd[0] == 0 ? g_strdup (ci->name) : g_strdup (sd);
}

static void
set_model_text (GtkWidget * picker, GConfValue * value)
{
      XklConfigItem *ci = xkl_config_item_new ();
      const char *model = NULL;

      if (value != NULL && value->type == GCONF_VALUE_STRING) {
            model = gconf_value_get_string (value);
            if (model != NULL && model[0] == '\0')
                  model = NULL;
      }

      if (model == NULL) {
            model = initial_config.model;
            if (model == NULL)
                  model = "";
      }

      g_snprintf (ci->name, sizeof (ci->name), "%s", model);

      if (xkl_config_registry_find_model (config_registry, ci)) {
            char *d;

            d = xci_desc_to_utf8 (ci);
            gtk_button_set_label (GTK_BUTTON (picker), d);
            g_free (d);
      } else {
            gtk_button_set_label (GTK_BUTTON (picker), _("Unknown"));
      }
      g_object_unref (G_OBJECT (ci));
}

static void
model_key_changed (GConfClient * client,
               guint cnxn_id, GConfEntry * entry, GtkBuilder * dialog)
{
      set_model_text (WID ("xkb_model_pick"),
                  gconf_entry_get_value (entry));

      enable_disable_restoring (dialog);
}

static void
setup_model_entry (GtkBuilder * dialog)
{
      GConfValue *value;

      value = gconf_client_get (xkb_gconf_client,
                          GKBD_KEYBOARD_CONFIG_KEY_MODEL, NULL);
      set_model_text (WID ("xkb_model_pick"), value);
      if (value != NULL)
            gconf_value_free (value);

      gconf_client_notify_add (xkb_gconf_client,
                         GKBD_KEYBOARD_CONFIG_KEY_MODEL,
                         (GConfClientNotifyFunc) model_key_changed,
                         dialog, NULL, NULL);
}

static void
cleanup_xkb_tabs (GtkBuilder * dialog)
{
      gkbd_desktop_config_term (&desktop_config);
      gkbd_keyboard_config_term (&initial_config);
      g_object_unref (G_OBJECT (config_registry));
      config_registry = NULL;
      g_object_unref (G_OBJECT (engine));
      engine = NULL;
      g_object_unref (G_OBJECT (xkb_gconf_client));
      xkb_gconf_client = NULL;
}

static void
reset_to_defaults (GtkWidget * button, GtkBuilder * dialog)
{
      GkbdKeyboardConfig empty_kbd_config;

      gkbd_keyboard_config_init (&empty_kbd_config, xkb_gconf_client,
                           engine);
      gkbd_keyboard_config_save_to_gconf (&empty_kbd_config);
      gkbd_keyboard_config_term (&empty_kbd_config);

      gconf_client_unset (xkb_gconf_client,
                      GKBD_DESKTOP_CONFIG_KEY_DEFAULT_GROUP, NULL);

      /* all the rest is g-s-d's business */
}

static void
chk_separate_group_per_window_toggled (GConfPropertyEditor * peditor,
                               const gchar * key,
                               const GConfValue * value,
                               GtkBuilder * dialog)
{
      gtk_widget_set_sensitive (WID ("chk_new_windows_inherit_layout"),
                          gconf_value_get_bool (value));
}

static void
chk_new_windows_inherit_layout_toggled (GtkWidget *
                              chk_new_windows_inherit_layout,
                              GtkBuilder * dialog)
{
      xkb_save_default_group (gtk_toggle_button_get_active
                        (GTK_TOGGLE_BUTTON
                         (chk_new_windows_inherit_layout)) ? -1 :
                        0);
}

void
setup_xkb_tabs (GtkBuilder * dialog, GConfChangeSet * changeset)
{
      GObject *peditor;
      GtkWidget *chk_new_windows_inherit_layout =
          WID ("chk_new_windows_inherit_layout");

      xkb_gconf_client = gconf_client_get_default ();

      engine = xkl_engine_get_instance (GDK_DISPLAY ());
      config_registry = xkl_config_registry_get_instance (engine);

      gkbd_desktop_config_init (&desktop_config, xkb_gconf_client,
                          engine);
      gkbd_desktop_config_load_from_gconf (&desktop_config);

      xkl_config_registry_load (config_registry,
                          desktop_config.load_extra_items);

      gkbd_keyboard_config_init (&initial_config, xkb_gconf_client,
                           engine);
      gkbd_keyboard_config_load_from_x_initial (&initial_config, NULL);

      setup_model_entry (dialog);

      peditor = gconf_peditor_new_boolean
          (changeset, (gchar *) GKBD_DESKTOP_CONFIG_KEY_GROUP_PER_WINDOW,
           WID ("chk_separate_group_per_window"), NULL);

      g_signal_connect (peditor, "value-changed", (GCallback)
                    chk_separate_group_per_window_toggled, dialog);

#ifdef HAVE_X11_EXTENSIONS_XKB_H
      if (strcmp (xkl_engine_get_backend_name (engine), "XKB"))
#endif
            gtk_widget_hide (WID ("xkb_layouts_print"));

      xkb_layouts_prepare_selected_tree (dialog, changeset);
      xkb_layouts_fill_selected_tree (dialog);

      gtk_widget_set_sensitive (chk_new_windows_inherit_layout,
                          gtk_toggle_button_get_active
                          (GTK_TOGGLE_BUTTON
                           (WID
                            ("chk_separate_group_per_window"))));
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
                              (chk_new_windows_inherit_layout),
                              xkb_get_default_group () < 0);

      xkb_layouts_register_buttons_handlers (dialog);
      g_signal_connect (G_OBJECT (WID ("xkb_reset_to_defaults")),
                    "clicked", G_CALLBACK (reset_to_defaults),
                    dialog);

      g_signal_connect (G_OBJECT (chk_new_windows_inherit_layout),
                    "toggled", (GCallback)
                    chk_new_windows_inherit_layout_toggled, dialog);

      g_signal_connect_swapped (G_OBJECT (WID ("xkb_layout_options")),
                          "clicked",
                          G_CALLBACK (xkb_options_popup_dialog),
                          dialog);

      g_signal_connect_swapped (G_OBJECT (WID ("xkb_model_pick")),
                          "clicked", G_CALLBACK (choose_model),
                          dialog);

      xkb_layouts_register_gconf_listener (dialog);
      xkb_options_register_gconf_listener (dialog);

      g_signal_connect (G_OBJECT (WID ("keyboard_dialog")),
                    "destroy", G_CALLBACK (cleanup_xkb_tabs),
                    dialog);

      enable_disable_restoring (dialog);
}

void
enable_disable_restoring (GtkBuilder * dialog)
{
      GkbdKeyboardConfig gswic;
      gboolean enable;

      gkbd_keyboard_config_init (&gswic, xkb_gconf_client, engine);
      gkbd_keyboard_config_load_from_gconf (&gswic, NULL);

      enable = !gkbd_keyboard_config_equals (&gswic, &initial_config);

      gkbd_keyboard_config_term (&gswic);
      gtk_widget_set_sensitive (WID ("xkb_reset_to_defaults"), enable);
}

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