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

/* gnome-keyboard-properties-xkb.c
 * Copyright (C) 2003 Sergey V. Oudaltsov
 *
 * Written by: Sergey V. Oudaltsov <svu@users.sourceforge.net>
 *
 * 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 <gnome.h>
#include <gconf/gconf-client.h>
#include <glade/glade.h>

#include "libgswitchit/gswitchit_xkb_config.h"

#include "capplet-util.h"
#include "gconf-property-editor.h"
#include "activate-settings-daemon.h"
#include "capplet-stock-icons.h"
#include <../accessibility/keyboard/accessibility-keyboard.h>

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

static int itemCounter;

char *
xci_desc_to_utf8 (XklConfigItem * ci)
{
	char *sd = g_strstrip (ci->description);
	return sd[0] == 0 ? g_strdup (ci->name) :
	    g_locale_to_utf8 (sd, -1, NULL, NULL, NULL);
}

static GConfValue *
model_from_widget (GConfPropertyEditor * peditor, GConfValue * value)
{
	GConfValue *new_value = gconf_value_new (GCONF_VALUE_STRING);
	const char *rvs = "";
	if (value->type == GCONF_VALUE_INT) {
		GtkWidget *omenu =
		    GTK_WIDGET (gconf_property_editor_get_ui_control
				(peditor));
		const int ivalue = gconf_value_get_int (value);
		GtkWidget *menu =
		    gtk_option_menu_get_menu (GTK_OPTION_MENU (omenu));
		GList *items = GTK_MENU_SHELL (menu)->children;
		while (items != NULL) {
			GtkWidget *item = GTK_WIDGET (items->data);
			const int itemNo =
			    GPOINTER_TO_INT (g_object_get_data
					     (G_OBJECT (item), "itemNo"));
			if (itemNo == ivalue) {
				rvs = (const char *)
				    g_object_get_data (G_OBJECT (item),
						       "itemId");
				break;
			}
			items = items->next;
		}
	}
	gconf_value_set_string (new_value, rvs);
	return new_value;
}

static GConfValue *
model_to_widget (GConfPropertyEditor * peditor, GConfValue * value)
{
	GConfValue *new_value;
	int rvi = -1;

	new_value = gconf_value_new (GCONF_VALUE_INT);

	if (value->type == GCONF_VALUE_STRING) {
		GtkWidget *omenu =
		    GTK_WIDGET (gconf_property_editor_get_ui_control
				(peditor));
		const char *svalue = gconf_value_get_string (value);
		GtkWidget *menu =
		    gtk_option_menu_get_menu (GTK_OPTION_MENU (omenu));
		GList *items = GTK_MENU_SHELL (menu)->children;
		while (items != NULL) {
			GtkWidget *item = GTK_WIDGET (items->data);
			const char *itemId = (const char *)
			    g_object_get_data (G_OBJECT (item), "itemId");
			if (!g_strcasecmp (itemId, svalue)) {
				rvi =
				    GPOINTER_TO_INT (g_object_get_data
						     (G_OBJECT (item),
						      "itemNo"));
				break;
			}
			items = items->next;
		}
	}
	gconf_value_set_int (new_value, rvi);

	return new_value;
}

static void
cleanup_xkb_tabs (GladeXML * dialog)
{
	XklConfigFreeRegistry ();
	XklConfigTerm ();
}

static void
add_model_to_option_menu (const XklConfigItemPtr configItem,
			  GtkWidget * menu)
{
	char *utfModelName = xci_desc_to_utf8 (configItem);
	GtkWidget *menuItem = gtk_menu_item_new_with_label (utfModelName);
	g_object_set_data (G_OBJECT (menuItem), "itemNo",
			   GINT_TO_POINTER (itemCounter++));
	g_object_set_data_full (G_OBJECT (menuItem), "itemId",
				g_strdup (configItem->name),
				(GDestroyNotify) g_free);
	g_free (utfModelName);
	gtk_menu_append (GTK_MENU (menu), GTK_WIDGET (menuItem));
}

static void
fill_models_option_menu (GladeXML * dialog)
{
	GtkWidget *menu = gtk_menu_new ();
	itemCounter = 0;
	XklConfigEnumModels ((ConfigItemProcessFunc)
			     add_model_to_option_menu, menu);
	gtk_option_menu_set_menu (GTK_OPTION_MENU (WID ("xkb_models")),
				  GTK_WIDGET (menu));
	gtk_widget_show_all (menu);
}

void
setup_xkb_tabs (GladeXML * dialog, GConfChangeSet * changeset)
{
	GObject *peditor;

	XklConfigInit ();
	XklConfigLoadRegistry ();

	fill_models_option_menu (dialog);

	peditor = gconf_peditor_new_boolean
	    (changeset,
	     (gchar *) GSWITCHIT_CONFIG_XKB_KEY_OVERRIDE_SETTINGS,
	     WID ("xkb_use_custom_config"), NULL);

	gconf_peditor_widget_set_guard (GCONF_PROPERTY_EDITOR (peditor),
					WID ("xkb_models_box"));
	gconf_peditor_widget_set_guard (GCONF_PROPERTY_EDITOR (peditor),
					WID ("xkb_layouts_box"));
	gconf_peditor_widget_set_guard (GCONF_PROPERTY_EDITOR (peditor),
					WID ("xkb_options_box"));

	gconf_peditor_new_select_menu
	    (changeset, (gchar *) GSWITCHIT_CONFIG_XKB_KEY_MODEL,
	     WID ("xkb_models"),
	     "conv-to-widget-cb", model_to_widget,
	     "conv-from-widget-cb", model_from_widget, NULL);

	fill_available_layouts_tree (dialog);
	fill_available_options_tree (dialog);
	prepare_selected_layouts_tree (dialog);
	prepare_selected_options_tree (dialog);
	fill_selected_layouts_tree (dialog);
	fill_selected_options_tree (dialog);

	register_layouts_buttons_handlers (dialog);
	register_options_buttons_handlers (dialog);

	register_layouts_gconf_listener (dialog);
	register_options_gconf_listener (dialog);

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