diff options
Diffstat (limited to 'e-util')
| -rw-r--r-- | e-util/Makefile.am | 2 | ||||
| -rw-r--r-- | e-util/e-charset.c | 255 | ||||
| -rw-r--r-- | e-util/e-charset.h | 36 |
3 files changed, 293 insertions, 0 deletions
diff --git a/e-util/Makefile.am b/e-util/Makefile.am index 60507ec82d..c8b1c87417 100644 --- a/e-util/Makefile.am +++ b/e-util/Makefile.am @@ -43,6 +43,7 @@ eutilinclude_HEADERS = \ e-bconf-map.h \ e-binding.h \ e-categories-config.h \ + e-charset.h \ e-config.h \ e-config-listener.h \ e-cursor.h \ @@ -86,6 +87,7 @@ libeutil_la_SOURCES = \ e-bconf-map.c \ e-binding.c \ e-categories-config.c \ + e-charset.c \ e-config-listener.c \ e-config.c \ e-cursor.c \ diff --git a/e-util/e-charset.c b/e-util/e-charset.c new file mode 100644 index 0000000000..329f513ec7 --- /dev/null +++ b/e-util/e-charset.c @@ -0,0 +1,255 @@ +/* + * 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. + */ +/* To Translators: Character set "Logical Hebrew" */ +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 }, + { "Big5", E_CHARSET_CHINESE, N_("Traditional") }, + { "BIG5HKSCS", E_CHARSET_CHINESE, N_("Traditional") }, + { "EUC-TW", E_CHARSET_CHINESE, N_("Traditional") }, + { "GB18030", E_CHARSET_CHINESE, N_("Simplified") }, + { "GB2312", E_CHARSET_CHINESE, N_("Simplified") }, + { "HZ", E_CHARSET_CHINESE, N_("Simplified") }, + { "ISO-2022-CN", E_CHARSET_CHINESE, N_("Simplified") }, + { "KOI8-R", E_CHARSET_CYRILLIC, NULL }, + { "Windows-1251", E_CHARSET_CYRILLIC, NULL }, + { "KOI8-U", E_CHARSET_CYRILLIC, N_("Ukrainian") }, + { "ISO-8859-5", E_CHARSET_CYRILLIC, NULL }, + { "ISO-8859-7", E_CHARSET_GREEK, NULL }, + { "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. + **/ +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 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 (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; +} diff --git a/e-util/e-charset.h b/e-util/e-charset.h new file mode 100644 index 0000000000..57b6976a1f --- /dev/null +++ b/e-util/e-charset.h @@ -0,0 +1,36 @@ +/* + * + * 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/> + * + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef E_CHARSET_H +#define E_CHARSET_H + +#include <gtk/gtk.h> + +G_BEGIN_DECLS + +GSList * e_charset_add_radio_actions (GtkActionGroup *action_group, + const gchar *action_prefix, + const gchar *default_charset, + GCallback callback, + gpointer user_data); + +G_END_DECLS + +#endif /* E_CHARSET_H */ |