Adding upstream version 1:48.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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1390 changed files with 1508331 additions and 0 deletions
304
panels/common/cc-common-language.c
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304
panels/common/cc-common-language.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright 2009-2010 Red Hat, Inc,
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Written by: Matthias Clasen <mclasen@redhat.com>
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <locale.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <gtk/gtk.h>
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#include <fontconfig/fontconfig.h>
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#define GNOME_DESKTOP_USE_UNSTABLE_API
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#include <libgnome-desktop/gnome-languages.h>
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#include "cc-common-language.h"
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#include "shell/cc-object-storage.h"
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static char *get_lang_for_user_object_path (const char *path);
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static gboolean
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iter_for_language (GtkTreeModel *model,
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const gchar *lang,
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GtkTreeIter *iter,
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gboolean region)
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{
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g_autofree gchar *name = NULL;
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g_assert (gtk_tree_model_get_iter_first (model, iter));
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do {
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g_autofree gchar *l = NULL;
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gtk_tree_model_get (model, iter, LOCALE_COL, &l, -1);
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if (g_strcmp0 (l, lang) == 0)
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return TRUE;
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} while (gtk_tree_model_iter_next (model, iter));
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name = gnome_normalize_locale (lang);
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if (name != NULL) {
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g_autofree gchar *language = NULL;
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if (region) {
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language = gnome_get_country_from_locale (name, NULL);
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}
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else {
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language = gnome_get_language_from_locale (name, NULL);
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}
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gtk_list_store_insert_with_values (GTK_LIST_STORE (model),
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iter,
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-1,
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LOCALE_COL, name,
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DISPLAY_LOCALE_COL, language,
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-1);
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return TRUE;
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}
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return FALSE;
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}
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gboolean
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cc_common_language_get_iter_for_language (GtkTreeModel *model,
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const gchar *lang,
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GtkTreeIter *iter)
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{
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return iter_for_language (model, lang, iter, FALSE);
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}
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gboolean
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cc_common_language_has_font (const gchar *locale)
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{
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const FcCharSet *charset;
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FcPattern *pattern;
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FcObjectSet *object_set;
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FcFontSet *font_set;
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g_autofree gchar *language_code = NULL;
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gboolean is_displayable;
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is_displayable = FALSE;
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pattern = NULL;
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object_set = NULL;
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font_set = NULL;
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if (!gnome_parse_locale (locale, &language_code, NULL, NULL, NULL))
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return FALSE;
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charset = FcLangGetCharSet ((FcChar8 *) language_code);
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if (!charset) {
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/* fontconfig does not know about this language */
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is_displayable = TRUE;
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}
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else {
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/* see if any fonts support rendering it */
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pattern = FcPatternBuild (NULL, FC_LANG, FcTypeString, language_code, NULL);
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if (pattern == NULL)
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goto done;
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object_set = FcObjectSetCreate ();
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if (object_set == NULL)
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goto done;
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font_set = FcFontList (NULL, pattern, object_set);
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if (font_set == NULL)
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goto done;
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is_displayable = (font_set->nfont > 0);
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}
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done:
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if (font_set != NULL)
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FcFontSetDestroy (font_set);
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if (object_set != NULL)
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FcObjectSetDestroy (object_set);
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if (pattern != NULL)
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FcPatternDestroy (pattern);
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return is_displayable;
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}
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gchar *
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cc_common_language_get_current_language (void)
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{
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gchar *language;
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g_autofree gchar *path = NULL;
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const gchar *locale;
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path = g_strdup_printf ("/org/freedesktop/Accounts/User%d", getuid ());
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language = get_lang_for_user_object_path (path);
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if (language != NULL && *language != '\0')
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return language;
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locale = (const gchar *) setlocale (LC_MESSAGES, NULL);
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if (locale)
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language = gnome_normalize_locale (locale);
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else
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language = NULL;
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return language;
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}
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static char *
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get_lang_for_user_object_path (const char *path)
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{
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g_autoptr(GError) error = NULL;
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g_autoptr(GDBusProxy) user = NULL;
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g_autoptr(GVariant) props = NULL;
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char *lang;
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user = cc_object_storage_create_dbus_proxy_sync (G_BUS_TYPE_SYSTEM,
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G_DBUS_PROXY_FLAGS_NONE,
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"org.freedesktop.Accounts",
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path,
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"org.freedesktop.Accounts.User",
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NULL,
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&error);
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if (user == NULL) {
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g_warning ("Failed to get proxy for user '%s': %s",
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path, error->message);
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return NULL;
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}
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props = g_dbus_proxy_get_cached_property (user, "Language");
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if (props == NULL)
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return NULL;
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lang = g_variant_dup_string (props, NULL);
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return lang;
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}
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/*
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* Note that @lang needs to be formatted like the locale strings
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* returned by gnome_get_all_locales().
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*/
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static void
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insert_language (GHashTable *ht,
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const char *lang)
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{
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g_autofree gchar *label_own_lang = NULL;
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g_autofree gchar *label_current_lang = NULL;
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g_autofree gchar *label_untranslated = NULL;
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label_own_lang = gnome_get_language_from_locale (lang, lang);
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label_current_lang = gnome_get_language_from_locale (lang, NULL);
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label_untranslated = gnome_get_language_from_locale (lang, "C");
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/* We don't have a translation for the label in
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* its own language? */
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if (g_strcmp0 (label_own_lang, label_untranslated) == 0) {
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if (g_strcmp0 (label_current_lang, label_untranslated) == 0)
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g_hash_table_insert (ht, g_strdup (lang), g_strdup (label_untranslated));
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else
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g_hash_table_insert (ht, g_strdup (lang), g_strdup (label_current_lang));
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} else {
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g_hash_table_insert (ht, g_strdup (lang), g_strdup (label_own_lang));
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}
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}
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GHashTable *
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cc_common_language_get_initial_languages (void)
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{
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GHashTable *ht;
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ht = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
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insert_language (ht, "en_US.UTF-8");
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insert_language (ht, "en_GB.UTF-8");
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insert_language (ht, "de_DE.UTF-8");
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insert_language (ht, "fr_FR.UTF-8");
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insert_language (ht, "es_ES.UTF-8");
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insert_language (ht, "zh_CN.UTF-8");
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insert_language (ht, "ja_JP.UTF-8");
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insert_language (ht, "ru_RU.UTF-8");
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insert_language (ht, "ar_EG.UTF-8");
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return ht;
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}
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static void
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foreach_user_lang_cb (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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GtkListStore *store = (GtkListStore *) user_data;
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const char *locale = (const char *) key;
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const char *display_locale = (const char *) value;
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GtkTreeIter iter;
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter,
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LOCALE_COL, locale,
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DISPLAY_LOCALE_COL, display_locale,
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-1);
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}
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void
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cc_common_language_add_user_languages (GtkTreeModel *model)
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{
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g_autofree gchar *name = NULL;
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GtkTreeIter iter;
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GtkListStore *store = GTK_LIST_STORE (model);
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GHashTable *user_langs;
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const char *display;
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gtk_list_store_clear (store);
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user_langs = cc_common_language_get_initial_languages ();
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/* Add the current locale first */
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name = cc_common_language_get_current_language ();
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display = g_hash_table_lookup (user_langs, name);
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if (!display) {
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g_autofree gchar *language = NULL;
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g_autofree gchar *country = NULL;
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g_autofree gchar *codeset = NULL;
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gnome_parse_locale (name, &language, &country, &codeset, NULL);
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if (!codeset || !g_str_equal (codeset, "UTF-8"))
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g_warning ("Current user locale codeset isn't UTF-8");
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g_free (name);
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name = g_strdup_printf ("%s_%s.UTF-8", language, country);
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insert_language (user_langs, name);
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display = g_hash_table_lookup (user_langs, name);
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}
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, LOCALE_COL, name, DISPLAY_LOCALE_COL, display, -1);
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g_hash_table_remove (user_langs, name);
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/* The rest of the languages */
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g_hash_table_foreach (user_langs, (GHFunc) foreach_user_lang_cb, store);
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/* And now the "Other…" selection */
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, LOCALE_COL, NULL, DISPLAY_LOCALE_COL, _("Other…"), -1);
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g_hash_table_destroy (user_langs);
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}
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