/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-charset.h"
#include <string.h>
#include <iconv.h>
#include <glib/gi18n-lib.h>
typedef enum {
E_CHARSET_UNKNOWN,
E_CHARSET_ARABIC,
E_CHARSET_BALTIC,
E_CHARSET_CENTRAL_EUROPEAN,
E_CHARSET_CHINESE,
E_CHARSET_CYRILLIC,
E_CHARSET_GREEK,
E_CHARSET_HEBREW,
E_CHARSET_JAPANESE,
E_CHARSET_KOREAN,
E_CHARSET_THAI,
E_CHARSET_TURKISH,
E_CHARSET_UNICODE,
E_CHARSET_WESTERN_EUROPEAN,
E_CHARSET_WESTERN_EUROPEAN_NEW
} ECharsetClass;
static const gchar *classnames[] = {
N_("Unknown"),
N_("Arabic"),
N_("Baltic"),
N_("Central European"),
N_("Chinese"),
N_("Cyrillic"),
N_("Greek"),
N_("Hebrew"),
N_("Japanese"),
N_("Korean"),
N_("Thai"),
N_("Turkish"),
N_("Unicode"),
N_("Western European"),
N_("Western European, New"),
};
typedef struct {
const gchar *name;
ECharsetClass class;
const gchar *subclass;
} ECharset;
/* This list is based on what other mailers/browsers support. There's
* not a lot of point in using, say, ISO-8859-3, if anything that can
* read that can read UTF8 too.
*/
static ECharset charsets[] = {
{ "ISO-8859-6", E_CHARSET_ARABIC, NULL },
{ "ISO-8859-13", E_CHARSET_BALTIC, NULL },
{ "ISO-8859-4", E_CHARSET_BALTIC, NULL },
{ "ISO-8859-2", E_CHARSET_CENTRAL_EUROPEAN, NULL },
/* Translators: Character set "Chinese, Traditional" */
{ "Big5", E_CHARSET_CHINESE, N_("Traditional") },
/* Translators: Character set "Chinese, Traditional" */
{ "BIG5HKSCS", E_CHARSET_CHINESE, N_("Traditional") },
/* Translators: Character set "Chinese, Traditional" */
{ "EUC-TW", E_CHARSET_CHINESE, N_("Traditional") },
/* Translators: Character set "Chinese, Simplified" */
{ "GB18030", E_CHARSET_CHINESE, N_("Simplified") },
/* Translators: Character set "Chinese, Simplified" */
{ "GB2312", E_CHARSET_CHINESE, N_("Simplified") },
/* Translators: Character set "Chinese, Simplified" */
{ "HZ", E_CHARSET_CHINESE, N_("Simplified") },
/* Translators: Character set "Chinese, Simplified" */
{ "ISO-2022-CN", E_CHARSET_CHINESE, N_("Simplified") },
{ "KOI8-R", E_CHARSET_CYRILLIC, NULL },
{ "Windows-1251", E_CHARSET_CYRILLIC, NULL },
/* Translators: Character set "Cyrillic, Ukrainian" */
{ "KOI8-U", E_CHARSET_CYRILLIC, N_("Ukrainian") },
{ "ISO-8859-5", E_CHARSET_CYRILLIC, NULL },
{ "ISO-8859-7", E_CHARSET_GREEK, NULL },
/* Translators: Character set "Hebrew, Visual" */
{ "ISO-8859-8", E_CHARSET_HEBREW, N_("Visual") },
{ "ISO-2022-JP", E_CHARSET_JAPANESE, NULL },
{ "EUC-JP", E_CHARSET_JAPANESE, NULL },
{ "Shift_JIS", E_CHARSET_JAPANESE, NULL },
{ "EUC-KR", E_CHARSET_KOREAN, NULL },
{ "TIS-620", E_CHARSET_THAI, NULL },
{ "ISO-8859-9", E_CHARSET_TURKISH, NULL },
{ "UTF-8", E_CHARSET_UNICODE, NULL },
{ "UTF-7", E_CHARSET_UNICODE, NULL },
{ "ISO-8859-1", E_CHARSET_WESTERN_EUROPEAN, NULL },
{ "ISO-8859-15", E_CHARSET_WESTERN_EUROPEAN_NEW, NULL },
};
/**
* e_charset_add_radio_actions:
* @action_group: a #GtkActionGroup
* @action_prefix: a prefix for action names, or %NULL
* @default_charset: the default character set, or %NULL to use the
* locale character set
* @callback: a callback function for actions in the group, or %NULL
* @user_data: user data to be passed to @callback, or %NULL
*
* Adds a set of #GtkRadioActions for available character sets to
* @action_group. The @default_charset (or locale character set if
* @default_charset is %NULL) will be added first, and selected by
* default (except that ISO-8859-1 will always be used instead of
* US-ASCII). Any other character sets of the same language class as
* the default will be added next, followed by the remaining character
* sets.
*
* Returns: the radio action group
**/
GSList *
e_charset_add_radio_actions (GtkActionGroup *action_group,
const gchar *action_prefix,
const gchar *default_charset,
GCallback callback,
gpointer user_data)
{
GtkRadioAction *action = NULL;
GSList *group = NULL;
const gchar *locale_charset;
gint def, ii;
g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), NULL);
if (action_prefix == NULL)
action_prefix = "";
g_get_charset (&locale_charset);
if (!g_ascii_strcasecmp (locale_charset, "US-ASCII"))
locale_charset = "ISO-8859-1";
if (default_charset == NULL)
default_charset = locale_charset;
for (def = 0; def < G_N_ELEMENTS (charsets); def++)
if (!g_ascii_strcasecmp (charsets[def].name, default_charset))
break;
for (ii = 0; ii < G_N_ELEMENTS (charsets); ii++) {
const gchar *charset_name;
gchar *action_name;
gchar *escaped_name;
gchar *charset_label;
gchar **str_array;
charset_name = charsets[ii].name;
action_name = g_strconcat (action_prefix, charset_name, NULL);
/* Escape underlines in the character set name so
* they're not treated as GtkLabel mnemonics. */
str_array = g_strsplit (charset_name, "_", -1);
escaped_name = g_strjoinv ("__", str_array);
g_strfreev (str_array);
if (charsets[ii].subclass != NULL)
charset_label = g_strdup_printf (
"%s, %s (%s)",
gettext (classnames[charsets[ii].class]),
gettext (charsets[ii].subclass),
escaped_name);
else if (charsets[ii].class != E_CHARSET_UNKNOWN)
charset_label = g_strdup_printf (
"%s (%s)",
gettext (classnames[charsets[ii].class]),
escaped_name);
else
charset_label = g_strdup (escaped_name);
/* XXX Add a tooltip! */
action = gtk_radio_action_new (
action_name, charset_label, NULL, NULL, ii);
/* Character set name is static so no need to free it. */
g_object_set_data (
G_OBJECT (action), "charset",
(gpointer) charset_name);
gtk_radio_action_set_group (action, group);
group = gtk_radio_action_get_group (action);
if (callback != NULL)
g_signal_connect (
action, "changed", callback, user_data);
gtk_action_group_add_action (
action_group, GTK_ACTION (action));
g_object_unref (action);
g_free (action_name);
g_free (escaped_name);
g_free (charset_label);
}
if (def == G_N_ELEMENTS (charsets)) {
const gchar *charset_name;
gchar *action_name;
gchar *charset_label;
gchar **str_array;
charset_name = default_charset;
action_name = g_strconcat (action_prefix, charset_name, NULL);
/* Escape underlines in the character set name so
* they're not treated as GtkLabel mnemonics. */
str_array = g_strsplit (charset_name, "_", -1);
charset_label = g_strjoinv ("__", str_array);
g_strfreev (str_array);
/* XXX Add a tooltip! */
action = gtk_radio_action_new (
action_name, charset_label, NULL, NULL, def);
/* Character set name may NOT be static,
* so we do need to duplicate the string. */
g_object_set_data_full (
G_OBJECT (action), "charset",
g_strdup (charset_name),
(GDestroyNotify) g_free);
gtk_radio_action_set_group (action, group);
group = gtk_radio_action_get_group (action);
if (callback != NULL)
g_signal_connect (
action, "changed", callback, user_data);
gtk_action_group_add_action (
action_group, GTK_ACTION (action));
g_object_unref (action);
g_free (action_name);
g_free (charset_label);
}
/* Any of the actions in the action group will do. */
if (action != NULL)
gtk_radio_action_set_current_value (action, def);
return group;
}
