gnome-control-center/panels/region/gnome-region-panel-system.c
2011-08-23 13:01:06 +02:00

341 lines
12 KiB
C

/*
* Copyright (C) 2011 Rodrigo Moya
*
* Written by: Rodrigo Moya <rodrigo@gnome.org>
*
* 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 <string.h>
#include <polkit/polkit.h>
#include <glib/gi18n.h>
#include <libgnomekbd/gkbd-keyboard-config.h>
#include "cc-common-language.h"
#include "gdm-languages.h"
#include "gnome-region-panel-system.h"
#include "gnome-region-panel-xkb.h"
static GSettings *locale_settings, *xkb_settings;
static GDBusProxy *localed_proxy;
static GPermission *localed_permission;
static void
locale_settings_changed (GSettings *settings,
const gchar *key,
gpointer user_data)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
GtkWidget *label;
gchar *region, *display_region;
region = g_settings_get_string (locale_settings, "region");
if (!region || !region[0]) {
label = GTK_WIDGET (gtk_builder_get_object (builder, "user_display_language"));
region = g_strdup ((gchar*)g_object_get_data (G_OBJECT (label), "language"));
}
display_region = gdm_get_region_from_name (region, NULL);
label = GTK_WIDGET (gtk_builder_get_object (builder, "user_format"));
gtk_label_set_text (GTK_LABEL (label), display_region);
g_object_set_data_full (G_OBJECT (label), "region", g_strdup (region), g_free);
g_free (region);
g_free (display_region);
}
void
system_update_language (GtkBuilder *builder, const gchar *language)
{
gchar *display_language;
GtkWidget *label;
display_language = gdm_get_language_from_name (language, NULL);
label = (GtkWidget *)gtk_builder_get_object (builder, "user_display_language");
gtk_label_set_text (GTK_LABEL (label), display_language);
g_object_set_data_full (G_OBJECT (label), "language", g_strdup (language), g_free);
g_free (display_language);
/* need to update the region display in case the setting is '' */
locale_settings_changed (locale_settings, "region", builder);
}
static void
xkb_settings_changed (GSettings *settings,
const gchar *key,
gpointer user_data)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
gint i;
GString *str = g_string_new ("");
gchar **layouts = g_settings_get_strv (settings, "layouts");
for (i = 0; i < G_N_ELEMENTS (layouts); i++) {
gchar *utf_visible = xkb_layout_description_utf8 (layouts[i]);
if (utf_visible != NULL) {
if (str->str[0] != '\0') {
str = g_string_append (str, ", ");
}
str = g_string_append (str, utf_visible);
g_free (utf_visible);
}
}
g_strfreev (layouts);
gtk_label_set_text (GTK_LABEL (gtk_builder_get_object (builder, "user_input_source")), str->str);
g_string_free (str, TRUE);
}
static void
on_localed_properties_changed (GDBusProxy *proxy,
GVariant *changed_properties,
const gchar **invalidated_properties,
GtkBuilder *builder)
{
GVariant *res;
GVariant *v;
GError *error = NULL;
res = g_dbus_connection_call_sync (g_dbus_proxy_get_connection (proxy),
g_dbus_proxy_get_name (proxy),
g_dbus_proxy_get_object_path (proxy),
"org.freedesktop.DBus.Properties",
"Get",
g_variant_new ("(ss)",
g_dbus_proxy_get_interface_name (proxy),
"Locale"),
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1, NULL, &error);
if (!res) {
g_warning ("Failed to call Get method: %s", error->message);
g_error_free (error);
return;
}
v = g_variant_get_child_value (res, 0);
if (v) {
const gchar **strv;
gsize len;
gint i;
const gchar *lang, *messages, *time;
gchar *name;
GtkWidget *label;
GVariant *v2;
v2 = g_variant_get_variant (v);
strv = g_variant_get_strv (v2, &len);
lang = messages = time = NULL;
for (i = 0; strv[i]; i++) {
if (g_str_has_prefix (strv[i], "LANG=")) {
lang = strv[i] + strlen ("LANG=");
}
else if (g_str_has_prefix (strv[i], "LC_MESSAGES=")) {
messages = strv[i] + strlen ("LC_MESSAGES=");
}
else if (g_str_has_prefix (strv[i], "LC_TIME=")) {
time = strv[i] + strlen ("LC_TIME=");
}
}
if (!messages) {
messages = lang;
}
if (!time) {
time = lang;
}
if (messages) {
name = gdm_get_language_from_name (messages, NULL);
label = (GtkWidget*)gtk_builder_get_object (builder, "system_display_language");
gtk_label_set_text (GTK_LABEL (label), name);
g_free (name);
}
if (time) {
name = gdm_get_region_from_name (time, NULL);
label = (GtkWidget*)gtk_builder_get_object (builder, "system_format");
gtk_label_set_text (GTK_LABEL (label), name);
g_free (name);
}
g_variant_unref (v);
}
g_variant_unref (res);
}
static void
localed_proxy_ready (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
GtkBuilder *builder = user_data;
GError *error = NULL;
localed_proxy = g_dbus_proxy_new_finish (res, &error);
if (!localed_proxy) {
g_warning ("Failed to contact localed: %s\n", error->message);
g_error_free (error);
return;
}
g_object_weak_ref (G_OBJECT (builder), (GWeakNotify) g_object_unref, localed_proxy);
g_signal_connect (localed_proxy, "g-properties-changed",
G_CALLBACK (on_localed_properties_changed), builder);
on_localed_properties_changed (localed_proxy, NULL, NULL, builder);
}
static void
copy_settings (GtkButton *button, GtkBuilder *builder)
{
const gchar *language;
const gchar *region;
GtkWidget *label;
GVariantBuilder *b;
gchar *s;
label = GTK_WIDGET (gtk_builder_get_object (builder, "user_display_language"));
language = g_object_get_data (G_OBJECT (label), "language");
label = GTK_WIDGET (gtk_builder_get_object (builder, "user_format"));
region = g_object_get_data (G_OBJECT (label), "region");
b = g_variant_builder_new (G_VARIANT_TYPE ("as"));
s = g_strconcat ("LANG=", language, NULL);
g_variant_builder_add (b, "s", s);
g_free (s);
if (g_strcmp0 (language, region) != 0) {
s = g_strconcat ("LC_TIME=", region, NULL);
g_variant_builder_add (b, "s", s);
g_free (s);
s = g_strconcat ("LC_NUMERIC=", region, NULL);
g_variant_builder_add (b, "s", s);
g_free (s);
s = g_strconcat ("LC_MONETARY=", region, NULL);
g_variant_builder_add (b, "s", s);
g_free (s);
s = g_strconcat ("LC_MEASUREMENT=", region, NULL);
g_variant_builder_add (b, "s", s);
g_free (s);
}
g_dbus_proxy_call (localed_proxy,
"SetLocale",
g_variant_new ("(asb)", b, TRUE),
G_DBUS_CALL_FLAGS_NONE,
-1, NULL, NULL, NULL);
g_variant_builder_unref (b);
}
static void
on_permission_changed (GPermission *permission,
GParamSpec *pspec,
GtkBuilder *builder)
{
GtkWidget *button;
GtkWidget *label;
gboolean can_acquire;
gboolean allowed;
if (permission) {
can_acquire = g_permission_get_can_acquire (permission);
allowed = g_permission_get_allowed (permission);
}
else {
can_acquire = FALSE;
allowed = FALSE;
}
button = (GtkWidget *)gtk_builder_get_object (builder, "copy_settings_button");
label = (GtkWidget *)gtk_builder_get_object (builder, "system-title");
if (!allowed && !can_acquire) {
gtk_label_set_text (GTK_LABEL (label),
_("The login screen, system accounts and new user accounts use the system-wide Region and Language settings."));
gtk_widget_hide (button);
}
else {
gtk_label_set_text (GTK_LABEL (label),
_("The login screen, system accounts and new user accounts use the system-wide Region and Language settings. You may change the system settings to match yours."));
gtk_widget_show (button);
if (allowed) {
gtk_button_set_label (GTK_BUTTON (button), _("Copy Settings"));
}
else {
gtk_button_set_label (GTK_BUTTON (button), _("Copy Settings..."));
}
}
}
void
setup_system (GtkBuilder *builder)
{
gchar *language;
GDBusConnection *bus;
GtkWidget *button;
button = (GtkWidget *)gtk_builder_get_object (builder, "copy_settings_button");
g_signal_connect (button, "clicked",
G_CALLBACK (copy_settings), builder);
localed_permission = polkit_permission_new_sync ("org.freedesktop.locale1.set-locale", NULL, NULL, NULL);
if (localed_permission != NULL) {
g_object_weak_ref (G_OBJECT (builder), (GWeakNotify) g_object_unref, localed_permission);
g_signal_connect (localed_permission, "notify",
G_CALLBACK (on_permission_changed), builder);
}
on_permission_changed (localed_permission, NULL, builder);
locale_settings = g_settings_new ("org.gnome.system.locale");
g_signal_connect (locale_settings, "changed::region",
G_CALLBACK (locale_settings_changed), builder);
g_object_weak_ref (G_OBJECT (builder), (GWeakNotify) g_object_unref, locale_settings);
xkb_settings = g_settings_new (GKBD_KEYBOARD_SCHEMA);
g_signal_connect (xkb_settings, "changed::layouts",
G_CALLBACK (xkb_settings_changed), builder);
g_object_weak_ref (G_OBJECT (builder), (GWeakNotify) g_object_unref, xkb_settings);
/* Display user settings */
language = cc_common_language_get_current_language ();
system_update_language (builder, language);
g_free (language);
locale_settings_changed (locale_settings, "region", builder);
xkb_settings_changed (xkb_settings, "layouts", builder);
bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, NULL);
g_dbus_proxy_new (bus,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.locale1",
"/org/freedesktop/locale1",
"org.freedesktop.locale1",
NULL,
localed_proxy_ready,
builder);
g_object_unref (bus);
}