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Viewing changes to panels/region/gnome-region-panel-lang.c

  • Committer: Package Import Robot
  • Author(s): Robert Ancell
  • Date: 2014-01-08 16:29:18 UTC
  • Revision ID: package-import@ubuntu.com-20140108162918-g29dd08tr913y2qh
Tags: upstream-14.04.0
Import upstream version 14.04.0

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panels/region/gnome-region-panel-lang.c
 
1
/*
 
2
 * Copyright (C) 2010 Bastien Nocera
 
3
 *
 
4
 * Written by: Bastien Nocera <hadess@hadess.net>
 
5
 *
 
6
 * This program is free software; you can redistribute it and/or modify
 
7
 * it under the terms of the GNU General Public License as published by
 
8
 * the Free Software Foundation; either version 2, or (at your option)
 
9
 * any later version.
 
10
 *
 
11
 * This program is distributed in the hope that it will be useful,
 
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
14
 * GNU General Public License for more details.
 
15
 *
 
16
 * You should have received a copy of the GNU General Public License
 
17
 * along with this program; if not, write to the Free Software
 
18
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 
19
 * 02111-1307, USA.
 
20
 */
 
21
 
 
22
#ifdef HAVE_CONFIG_H
 
23
#  include <config.h>
 
24
#endif
 
25
 
 
26
#include <string.h>
 
27
#include <glib/gi18n.h>
 
28
 
 
29
#include "gnome-region-panel-lang.h"
 
30
#include "gnome-region-panel-formats.h"
 
31
#include "gnome-region-panel-system.h"
 
32
#include "cc-common-language.h"
 
33
#include "cc-language-chooser.h"
 
34
#include "gdm-languages.h"
 
35
 
 
36
static GDBusProxy *proxy = NULL;
 
37
 
 
38
static void
 
39
selection_changed (GtkTreeSelection *selection,
 
40
                   GtkBuilder       *builder)
 
41
{
 
42
        GtkTreeModel *model;
 
43
        GtkTreeIter iter;
 
44
        char *locale;
 
45
        GDBusProxy *user;
 
46
        GVariant *variant;
 
47
        GError *error = NULL;
 
48
        char *object_path;
 
49
 
 
50
        if (gtk_tree_selection_get_selected (selection, &model, &iter) == FALSE) {
 
51
                g_warning ("No selected languages, this shouldn't happen");
 
52
                return;
 
53
        }
 
54
 
 
55
        user = NULL;
 
56
        variant = NULL;
 
57
 
 
58
        gtk_tree_model_get (model, &iter,
 
59
                            LOCALE_COL, &locale,
 
60
                            -1);
 
61
 
 
62
        if (proxy == NULL) {
 
63
                g_warning ("Would change the language to '%s', but no D-Bus connection available", locale);
 
64
                goto bail;
 
65
        }
 
66
 
 
67
        variant = g_dbus_proxy_call_sync (proxy,
 
68
                                          "FindUserByName",
 
69
                                          g_variant_new ("(s)", g_get_user_name ()),
 
70
                                          G_DBUS_CALL_FLAGS_NONE,
 
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                                          -1,
 
72
                                          NULL,
 
73
                                          &error);
 
74
        if (variant == NULL) {
 
75
                g_warning ("Could not contact accounts service to look up '%s': %s",
 
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                           g_get_user_name (), error->message);
 
77
                g_error_free (error);
 
78
                goto bail;
 
79
        }
 
80
 
 
81
        g_variant_get (variant, "(o)", &object_path);
 
82
        user = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
 
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                                              G_DBUS_PROXY_FLAGS_NONE,
 
84
                                              NULL,
 
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                                              "org.freedesktop.Accounts",
 
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                                              object_path,
 
87
                                              "org.freedesktop.Accounts.User",
 
88
                                              NULL,
 
89
                                              &error);
 
90
        g_free (object_path);
 
91
 
 
92
        if (user == NULL) {
 
93
                g_warning ("Could not create proxy for user '%s': %s",
 
94
                           g_variant_get_string (variant, NULL), error->message);
 
95
                g_error_free (error);
 
96
                goto bail;
 
97
        }
 
98
        g_variant_unref (variant);
 
99
 
 
100
        variant = g_dbus_proxy_call_sync (user,
 
101
                                          "SetLanguage",
 
102
                                          g_variant_new ("(s)", locale),
 
103
                                          G_DBUS_CALL_FLAGS_NONE,
 
104
                                          -1,
 
105
                                          NULL,
 
106
                                          &error);
 
107
        if (variant == NULL) {
 
108
                g_warning ("Failed to set the language '%s': %s", locale, error->message);
 
109
                g_error_free (error);
 
110
                goto bail;
 
111
        }
 
112
 
 
113
        /* Update the other tabs */
 
114
        formats_update_language (builder, locale);
 
115
        system_update_language (builder, locale);
 
116
 
 
117
        /* And done */
 
118
 
 
119
bail:
 
120
        if (variant != NULL)
 
121
                g_variant_unref (variant);
 
122
        if (user != NULL)
 
123
                g_object_unref (user);
 
124
        g_free (locale);
 
125
}
 
126
 
 
127
static void
 
128
language_response (GtkDialog *dialog,
 
129
                   gint       response_id,
 
130
                   GtkWidget *treeview)
 
131
{
 
132
        gchar *lang;
 
133
        GtkTreeModel *model;
 
134
        GtkTreeSelection *selection;
 
135
        GtkTreeIter iter;
 
136
 
 
137
        gtk_widget_hide (GTK_WIDGET (dialog));
 
138
 
 
139
        if (response_id != GTK_RESPONSE_OK) {
 
140
                return;
 
141
        }
 
142
 
 
143
        lang = cc_language_chooser_get_language (GTK_WIDGET (dialog));
 
144
 
 
145
        if (lang == NULL) {
 
146
                return;
 
147
        }
 
148
 
 
149
        model = gtk_tree_view_get_model (GTK_TREE_VIEW (treeview));
 
150
        selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
 
151
 
 
152
        if (cc_common_language_get_iter_for_language (model, lang, &iter)) {
 
153
                gtk_tree_selection_select_iter (selection, &iter);
 
154
        }
 
155
 
 
156
        gtk_widget_grab_focus (treeview);
 
157
 
 
158
        g_free (lang);
 
159
}
 
160
 
 
161
static void
 
162
add_language (GtkWidget *button, GtkWidget *treeview)
 
163
{
 
164
        GtkWidget *toplevel;
 
165
        GtkWidget *chooser;
 
166
 
 
167
        toplevel = gtk_widget_get_toplevel (button);
 
168
        chooser = g_object_get_data (G_OBJECT (button), "chooser");
 
169
        if (chooser == NULL) {
 
170
                chooser = cc_language_chooser_new (toplevel, FALSE);
 
171
 
 
172
                g_signal_connect (chooser, "response",
 
173
                                  G_CALLBACK (language_response), treeview);
 
174
                g_signal_connect (chooser, "delete-event",
 
175
                                  G_CALLBACK (gtk_widget_hide_on_delete), NULL);
 
176
 
 
177
                g_object_set_data_full (G_OBJECT (button), "chooser",
 
178
                                        chooser, (GDestroyNotify)gtk_widget_destroy);
 
179
        }
 
180
        else {
 
181
                cc_language_chooser_clear_filter (chooser);
 
182
        }
 
183
 
 
184
        gdk_window_set_cursor (gtk_widget_get_window (toplevel), NULL);
 
185
        gtk_window_present (GTK_WINDOW (chooser));
 
186
}
 
187
 
 
188
void
 
189
setup_language (GtkBuilder *builder)
 
190
{
 
191
        GtkWidget *treeview;
 
192
        GHashTable *user_langs;
 
193
        GError *error = NULL;
 
194
        GtkWidget *widget;
 
195
        GtkStyleContext *context;
 
196
        GtkTreeSelection *selection;
 
197
 
 
198
        /* Setup junction between toolbar and treeview */
 
199
        widget = (GtkWidget *)gtk_builder_get_object (builder, "language-swindow");
 
200
        context = gtk_widget_get_style_context (widget);
 
201
        gtk_style_context_set_junction_sides (context, GTK_JUNCTION_BOTTOM);
 
202
        widget = (GtkWidget *)gtk_builder_get_object (builder, "language-toolbar");
 
203
        context = gtk_widget_get_style_context (widget);
 
204
        gtk_style_context_set_junction_sides (context, GTK_JUNCTION_TOP);
 
205
        
 
206
        treeview = GTK_WIDGET (gtk_builder_get_object (builder, "display_language_treeview"));
 
207
 
 
208
        /* Connect buttons */
 
209
        widget = (GtkWidget *)gtk_builder_get_object (builder, "language_add");
 
210
        g_signal_connect (widget, "clicked",
 
211
                          G_CALLBACK (add_language), treeview); 
 
212
 
 
213
        /* Setup accounts service */
 
214
        proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
 
215
                                               G_DBUS_PROXY_FLAGS_NONE,
 
216
                                               NULL,
 
217
                                               "org.freedesktop.Accounts",
 
218
                                               "/org/freedesktop/Accounts",
 
219
                                               "org.freedesktop.Accounts",
 
220
                                               NULL,
 
221
                                               &error);
 
222
 
 
223
        if (proxy == NULL) {
 
224
                g_warning ("Failed to contact accounts service: %s", error->message);
 
225
                g_error_free (error);
 
226
        } else {
 
227
                g_object_weak_ref (G_OBJECT (treeview), (GWeakNotify) g_object_unref, proxy);
 
228
        }
 
229
 
 
230
        /* Add user languages */
 
231
        user_langs = cc_common_language_get_initial_languages ();
 
232
        cc_common_language_setup_list (treeview, user_langs);
 
233
 
 
234
        /* And select the current language */
 
235
        cc_common_language_select_current_language (GTK_TREE_VIEW (treeview));
 
236
 
 
237
        /* And now listen for changes */
 
238
        selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
 
239
        g_signal_connect (G_OBJECT (selection), "changed",
 
240
                          G_CALLBACK (selection_changed), builder);
 
241
 
 
242
        gtk_widget_grab_focus (treeview);
 
243
}