/*
* Copyright (C) 2010 Robert Ancell.
* Author: Robert Ancell <robert.ancell@canonical.com>
- *
+ *
* This library 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 3 of the License, or (at your option) any
- * later version. See http://www.gnu.org/copyleft/lgpl.html the full text of the
- * license.
+ * Software Foundation; either version 2 or version 3 of the License.
+ * See http://www.gnu.org/copyleft/lgpl.html the full text of the license.
*/
+#include <string.h>
#include <locale.h>
#include <langinfo.h>
+#include <stdio.h>
+#include <glib/gi18n.h>
-#include "language.h"
+#include "lightdm/language.h"
enum {
- PROP_0,
- PROP_CODE,
+ PROP_CODE = 1,
PROP_NAME,
PROP_TERRITORY
};
-struct _LdmLanguagePrivate
+typedef struct
{
gchar *code;
gchar *name;
gchar *territory;
-};
+} LightDMLanguagePrivate;
+
+G_DEFINE_TYPE (LightDMLanguage, lightdm_language, G_TYPE_OBJECT);
+
+#define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_LANGUAGE, LightDMLanguagePrivate)
+
+static gboolean have_languages = FALSE;
+static GList *languages = NULL;
+
+static void
+update_languages (void)
+{
+ gchar *command = "locale -a";
+ gchar *stdout_text = NULL, *stderr_text = NULL;
+ gint exit_status;
+ gboolean result;
+ GError *error = NULL;
+
+ if (have_languages)
+ return;
+
+ result = g_spawn_command_line_sync (command, &stdout_text, &stderr_text, &exit_status, &error);
+ if (error)
+ {
+ g_warning ("Failed to run '%s': %s", command, error->message);
+ g_clear_error (&error);
+ }
+ else if (exit_status != 0)
+ g_warning ("Failed to get languages, '%s' returned %d", command, exit_status);
+ else if (result)
+ {
+ gchar **tokens;
+ int i;
+
+ tokens = g_strsplit_set (stdout_text, "\n\r", -1);
+ for (i = 0; tokens[i]; i++)
+ {
+ LightDMLanguage *language;
+ gchar *code;
+
+ code = g_strchug (tokens[i]);
+ if (code[0] == '\0')
+ continue;
+
+ /* Ignore the non-interesting languages */
+ if (strcmp (command, "locale -a") == 0 && !g_strrstr (code, ".utf8"))
+ continue;
+
+ language = g_object_new (LIGHTDM_TYPE_LANGUAGE, "code", code, NULL);
+ languages = g_list_append (languages, language);
+ }
+
+ g_strfreev (tokens);
+ }
+
+ g_free (stdout_text);
+ g_free (stderr_text);
-G_DEFINE_TYPE (LdmLanguage, ldm_language, G_TYPE_OBJECT);
+ have_languages = TRUE;
+}
+
+static gboolean
+is_utf8 (const gchar *code)
+{
+ return g_strrstr (code, ".utf8") || g_strrstr (code, ".UTF-8");
+}
+
+/* Get a valid locale name that can be passed to setlocale(), so we always can use nl_langinfo() to get language and country names. */
+static gchar *
+get_locale_name (const gchar *code)
+{
+ gchar *locale = NULL, *language;
+ char *at;
+ static gchar **avail_locales;
+ gint i;
+
+ if (is_utf8 (code))
+ return (gchar *) code;
+
+ if ((at = strchr (code, '@')))
+ language = g_strndup (code, at - code);
+ else
+ language = g_strdup (code);
+
+ if (!avail_locales)
+ {
+ gchar *locales;
+ GError *error = NULL;
+
+ if (g_spawn_command_line_sync ("locale -a", &locales, NULL, NULL, &error))
+ {
+ avail_locales = g_strsplit (g_strchomp (locales), "\n", -1);
+ g_free (locales);
+ }
+ else
+ {
+ g_warning ("Failed to run 'locale -a': %s", error->message);
+ g_clear_error (&error);
+ }
+ }
+
+ if (avail_locales)
+ {
+ for (i = 0; avail_locales[i]; i++)
+ {
+ gchar *loc = avail_locales[i];
+ if (!g_strrstr (loc, ".utf8"))
+ continue;
+ if (g_str_has_prefix (loc, language))
+ {
+ locale = g_strdup (loc);
+ break;
+ }
+ }
+ }
+
+ g_free (language);
+
+ return locale;
+}
/**
- * ldm_language_new:
- *
- * Create a new language.
- * @code: The language code
- *
- * Return value: the new #LdmLanguage
+ * lightdm_get_language:
+ *
+ * Get the current language.
+ *
+ * Return value: (transfer none): The current language or #NULL if no language.
+ **/
+LightDMLanguage *
+lightdm_get_language (void)
+{
+ const gchar *lang;
+ GList *link;
+
+ lang = g_getenv ("LANG");
+ if (!lang)
+ return NULL;
+
+ for (link = lightdm_get_languages (); link; link = link->next)
+ {
+ LightDMLanguage *language = link->data;
+ if (lightdm_language_matches (language, lang))
+ return language;
+ }
+
+ return NULL;
+}
+
+/**
+ * lightdm_get_languages:
+ *
+ * Get a list of languages to present to the user.
+ *
+ * Return value: (element-type LightDMLanguage) (transfer none): A list of #LightDMLanguage that should be presented to the user.
**/
-LdmLanguage *
-ldm_language_new (const gchar *code)
+GList *
+lightdm_get_languages (void)
{
- return g_object_new (LDM_TYPE_LANGUAGE, "code", code, NULL);
+ update_languages ();
+ return languages;
}
/**
- * ldm_language_get_code:
- * @language: A #LdmLanguage
- *
- * Get the code of a language.
- *
+ * lightdm_language_get_code:
+ * @language: A #LightDMLanguage
+ *
+ * Get the code of a language (e.g. "de_DE.UTF-8")
+ *
* Return value: The code of the language
**/
const gchar *
-ldm_language_get_code (LdmLanguage *language)
+lightdm_language_get_code (LightDMLanguage *language)
{
- g_return_val_if_fail (LDM_IS_LANGUAGE (language), NULL);
- return language->priv->code;
+ g_return_val_if_fail (LIGHTDM_IS_LANGUAGE (language), NULL);
+ return GET_PRIVATE (language)->code;
}
/**
- * ldm_language_get_name:
- * @language: A #LdmLanguage
- *
+ * lightdm_language_get_name:
+ * @language: A #LightDMLanguage
+ *
* Get the name of a language.
*
* Return value: The name of the language
**/
const gchar *
-ldm_language_get_name (LdmLanguage *language)
+lightdm_language_get_name (LightDMLanguage *language)
{
- g_return_val_if_fail (LDM_IS_LANGUAGE (language), NULL);
+ LightDMLanguagePrivate *priv;
+
+ g_return_val_if_fail (LIGHTDM_IS_LANGUAGE (language), NULL);
- if (!language->priv->name)
+ priv = GET_PRIVATE (language);
+
+ if (!priv->name)
{
- char *current = setlocale(LC_ALL, NULL);
- setlocale(LC_ALL, language->priv->code);
- language->priv->name = g_strdup (nl_langinfo (_NL_IDENTIFICATION_LANGUAGE));
- setlocale(LC_ALL, current);
+ gchar *locale = get_locale_name (priv->code);
+ if (locale)
+ {
+ gchar *current = setlocale (LC_ALL, NULL);
+ setlocale (LC_IDENTIFICATION, locale);
+ setlocale (LC_MESSAGES, "");
+
+ gchar *language_en = nl_langinfo (_NL_IDENTIFICATION_LANGUAGE);
+ if (language_en && strlen (language_en) > 0)
+ priv->name = g_strdup (dgettext ("iso_639_3", language_en));
+
+ setlocale (LC_ALL, current);
+ }
+ if (!priv->name)
+ {
+ gchar **tokens = g_strsplit_set (priv->code, "_.@", 2);
+ priv->name = g_strdup (tokens[0]);
+ g_strfreev (tokens);
+ }
}
- return language->priv->name;
+ return priv->name;
}
/**
- * ldm_language_get_territory:
- * @language: A #LdmLanguage
- *
+ * lightdm_language_get_territory:
+ * @language: A #LightDMLanguage
+ *
* Get the territory the language is used in.
- *
+ *
* Return value: The territory the language is used in.
**/
const gchar *
-ldm_language_get_territory (LdmLanguage *language)
+lightdm_language_get_territory (LightDMLanguage *language)
{
- g_return_val_if_fail (LDM_IS_LANGUAGE (language), NULL);
+ LightDMLanguagePrivate *priv;
+
+ g_return_val_if_fail (LIGHTDM_IS_LANGUAGE (language), NULL);
+
+ priv = GET_PRIVATE (language);
- if (!language->priv->territory)
+ if (!priv->territory && strchr (priv->code, '_'))
{
- char *current = setlocale(LC_ALL, NULL);
- setlocale(LC_ALL, language->priv->code);
- language->priv->territory = g_strdup (nl_langinfo (_NL_IDENTIFICATION_TERRITORY));
- setlocale(LC_ALL, current);
- }
+ gchar *locale = get_locale_name (priv->code);
+ if (locale)
+ {
+ gchar *current = setlocale (LC_ALL, NULL);
+ setlocale (LC_IDENTIFICATION, locale);
+ setlocale (LC_MESSAGES, "");
- return language->priv->territory;
-}
+ gchar *country_en = nl_langinfo (_NL_IDENTIFICATION_TERRITORY);
+ if (country_en && strlen (country_en) > 0 && g_strcmp0 (country_en, "ISO") != 0)
+ priv->territory = g_strdup (dgettext ("iso_3166", country_en));
-static gboolean
-is_utf8 (const gchar *code)
-{
- return g_str_has_suffix (code, ".utf8") || g_str_has_suffix (code, ".UTF-8");
+ setlocale (LC_ALL, current);
+ }
+ if (!priv->territory)
+ {
+ gchar **tokens = g_strsplit_set (priv->code, "_.@", 3);
+ priv->territory = g_strdup (tokens[1]);
+ g_strfreev (tokens);
+ }
+ }
+
+ return priv->territory;
}
/**
- * ldm_language_matches:
- * @language: A #LdmLanguage
+ * lightdm_language_matches:
+ * @language: A #LightDMLanguage
* @code: A language code
- *
+ *
* Check if a language code matches this language.
- *
- * Return value: TRUE if the code matches this language.
+ *
+ * Return value: #TRUE if the code matches this language.
**/
gboolean
-ldm_language_matches (LdmLanguage *language, const gchar *code)
+lightdm_language_matches (LightDMLanguage *language, const gchar *code)
{
- g_return_val_if_fail (LDM_IS_LANGUAGE (language), FALSE);
+ LightDMLanguagePrivate *priv;
+
+ g_return_val_if_fail (LIGHTDM_IS_LANGUAGE (language), FALSE);
g_return_val_if_fail (code != NULL, FALSE);
+ priv = GET_PRIVATE (language);
+
/* Handle the fact the UTF-8 is specified both as '.utf8' and '.UTF-8' */
- if (is_utf8 (language->priv->code) && is_utf8 (code))
+ if (is_utf8 (priv->code) && is_utf8 (code))
{
/* Match the characters before the '.' */
int i;
- for (i = 0; language->priv->code[i] && code[i] && language->priv->code[i] == code[i] && code[i] != '.' ; i++);
- return language->priv->code[i] == '.' && code[i] == '.';
+ for (i = 0; priv->code[i] && code[i] && priv->code[i] == code[i] && code[i] != '.' ; i++);
+ return priv->code[i] == '.' && code[i] == '.';
}
- return g_str_equal (language->priv->code, code);
+ return g_str_equal (priv->code, code);
}
static void
-ldm_language_init (LdmLanguage *language)
+lightdm_language_init (LightDMLanguage *language)
{
- language->priv = G_TYPE_INSTANCE_GET_PRIVATE (language, LDM_TYPE_LANGUAGE, LdmLanguagePrivate);
}
static void
-ldm_language_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
+lightdm_language_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- LdmLanguage *self;
-
- self = LDM_LANGUAGE (object);
+ LightDMLanguage *self = LIGHTDM_LANGUAGE (object);
+ LightDMLanguagePrivate *priv = GET_PRIVATE (self);
switch (prop_id) {
case PROP_CODE:
- g_free (self->priv->name);
- self->priv->code = g_strdup (g_value_get_string (value));
+ g_free (priv->name);
+ priv->code = g_strdup (g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
static void
-ldm_language_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
+lightdm_language_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- LdmLanguage *self;
+ LightDMLanguage *self;
- self = LDM_LANGUAGE (object);
+ self = LIGHTDM_LANGUAGE (object);
switch (prop_id) {
case PROP_CODE:
- g_value_set_string (value, ldm_language_get_code (self));
+ g_value_set_string (value, lightdm_language_get_code (self));
break;
case PROP_NAME:
- g_value_set_string (value, ldm_language_get_name (self));
+ g_value_set_string (value, lightdm_language_get_name (self));
break;
case PROP_TERRITORY:
- g_value_set_string (value, ldm_language_get_territory (self));
+ g_value_set_string (value, lightdm_language_get_territory (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
static void
-ldm_language_class_init (LdmLanguageClass *klass)
+lightdm_language_class_init (LightDMLanguageClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- g_type_class_add_private (klass, sizeof (LdmLanguagePrivate));
-
- object_class->set_property = ldm_language_set_property;
- object_class->get_property = ldm_language_get_property;
-
- g_object_class_install_property(object_class,
- PROP_CODE,
- g_param_spec_string("code",
- "code",
- "Language code",
- NULL,
- G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
- g_object_class_install_property(object_class,
- PROP_NAME,
- g_param_spec_string("name",
- "name",
- "Name of the language",
- NULL,
- G_PARAM_READABLE));
- g_object_class_install_property(object_class,
- PROP_TERRITORY,
- g_param_spec_string("territory",
- "territory",
- "Territory the language is from",
- NULL,
- G_PARAM_READABLE));
+
+ g_type_class_add_private (klass, sizeof (LightDMLanguagePrivate));
+
+ object_class->set_property = lightdm_language_set_property;
+ object_class->get_property = lightdm_language_get_property;
+
+ g_object_class_install_property (object_class,
+ PROP_CODE,
+ g_param_spec_string ("code",
+ "code",
+ "Language code",
+ NULL,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (object_class,
+ PROP_NAME,
+ g_param_spec_string ("name",
+ "name",
+ "Name of the language",
+ NULL,
+ G_PARAM_READABLE));
+ g_object_class_install_property (object_class,
+ PROP_TERRITORY,
+ g_param_spec_string ("territory",
+ "territory",
+ "Territory the language is from",
+ NULL,
+ G_PARAM_READABLE));
}