5592be1400a2e954c880596085d32c9f9aae5577
[modest] / src / maemo / modest-maemo-global-settings-dialog.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #ifdef HAVE_CONFIG_H
31 #include <config.h>
32 #endif /*HAVE_CONFIG_H*/
33
34 #ifdef MODEST_HAVE_CONIC
35 #include <coniciap.h>
36 #endif /*MODEST_HAVE_CONIC*/
37
38 #include <modest-hildon-includes.h>
39 #include <modest-maemo-utils.h>
40
41 #include <glib/gi18n.h>
42 #include <string.h>
43 #include <gtk/gtkbox.h>
44 #include <gtk/gtkvbox.h>
45 #include <gtk/gtknotebook.h>
46 #include <gtk/gtklabel.h>
47 #include <gtk/gtkcheckbutton.h>
48 #include <gtk/gtkhseparator.h>
49 #include "modest-runtime.h"
50 #include "widgets/modest-global-settings-dialog-priv.h"
51 #include "widgets/modest-combo-box.h"
52 #include "maemo/modest-maemo-global-settings-dialog.h"
53 #include "widgets/modest-ui-constants.h"
54 #include <tny-account-store.h>
55 #include <tny-maemo-conic-device.h>
56
57
58 #define MSG_SIZE_MAX_VAL 5000
59 #define MSG_SIZE_DEF_VAL 1000
60 #define MSG_SIZE_MIN_VAL 1
61
62 #define DEFAULT_FOCUS_WIDGET "default-focus-widget"
63
64 /* 'private'/'protected' functions */
65 static void modest_maemo_global_settings_dialog_class_init (ModestMaemoGlobalSettingsDialogClass *klass);
66 static void modest_maemo_global_settings_dialog_init       (ModestMaemoGlobalSettingsDialog *obj);
67 static void modest_maemo_global_settings_dialog_finalize   (GObject *obj);
68
69 static ModestConnectedVia current_connection (void);
70
71 /* list my signals  */
72 enum {
73         /* MY_SIGNAL_1, */
74         /* MY_SIGNAL_2, */
75         LAST_SIGNAL
76 };
77
78 static GtkWidget* create_updating_page   (ModestMaemoGlobalSettingsDialog *self);
79 static GtkWidget* create_composing_page  (ModestMaemoGlobalSettingsDialog *self);
80
81 static gboolean   on_range_error         (HildonNumberEditor *editor, 
82                                           HildonNumberEditorErrorType type,
83                                           gpointer user_data);
84
85 static void       on_size_notify         (HildonNumberEditor *editor, 
86                                           GParamSpec *arg1,
87                                           gpointer user_data);
88
89 static void       on_auto_update_toggled (GtkToggleButton *togglebutton,
90                                           gpointer user_data);
91
92 static gboolean   on_inner_tabs_key_pressed (GtkWidget *widget,
93                                              GdkEventKey *event,
94                                              gpointer user_data);
95
96 typedef struct _ModestMaemoGlobalSettingsDialogPrivate ModestMaemoGlobalSettingsDialogPrivate;
97 struct _ModestMaemoGlobalSettingsDialogPrivate {
98         ModestPairList *connect_via_list;
99         gint switch_handler;
100 };
101 #define MODEST_MAEMO_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
102                                                            MODEST_TYPE_MAEMO_GLOBAL_SETTINGS_DIALOG, \
103                                                            ModestMaemoGlobalSettingsDialogPrivate))
104 /* globals */
105 static GtkDialogClass *parent_class = NULL;
106
107 /* uncomment the following if you have defined any signals */
108 /* static guint signals[LAST_SIGNAL] = {0}; */
109
110 GType
111 modest_maemo_global_settings_dialog_get_type (void)
112 {
113         static GType my_type = 0;
114         if (!my_type) {
115                 static const GTypeInfo my_info = {
116                         sizeof(ModestMaemoGlobalSettingsDialogClass),
117                         NULL,           /* base init */
118                         NULL,           /* base finalize */
119                         (GClassInitFunc) modest_maemo_global_settings_dialog_class_init,
120                         NULL,           /* class finalize */
121                         NULL,           /* class data */
122                         sizeof(ModestMaemoGlobalSettingsDialog),
123                         1,              /* n_preallocs */
124                         (GInstanceInitFunc) modest_maemo_global_settings_dialog_init,
125                         NULL
126                 };
127                 my_type = g_type_register_static (MODEST_TYPE_GLOBAL_SETTINGS_DIALOG,
128                                                   "ModestMaemoGlobalSettingsDialog",
129                                                   &my_info, 0);
130         }
131         return my_type;
132 }
133
134 static void
135 modest_maemo_global_settings_dialog_class_init (ModestMaemoGlobalSettingsDialogClass *klass)
136 {
137         GObjectClass *gobject_class;
138         gobject_class = (GObjectClass*) klass;
139
140         parent_class            = g_type_class_peek_parent (klass);
141         gobject_class->finalize = modest_maemo_global_settings_dialog_finalize;
142
143         g_type_class_add_private (gobject_class, sizeof(ModestMaemoGlobalSettingsDialogPrivate));
144
145         MODEST_GLOBAL_SETTINGS_DIALOG_CLASS (klass)->current_connection_func = current_connection;
146 }
147
148 typedef struct {
149         ModestMaemoGlobalSettingsDialog *dia;
150         GtkWidget *focus_widget;
151 } SwitchPageHelper;
152
153 static gboolean
154 idle_select_default_focus (gpointer data) 
155 {
156         ModestGlobalSettingsDialogPrivate *ppriv;
157         ModestMaemoGlobalSettingsDialogPrivate *priv;
158         SwitchPageHelper *helper;
159
160         helper = (SwitchPageHelper *) data;
161         priv  = MODEST_MAEMO_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (helper->dia);
162         ppriv = MODEST_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (helper->dia);
163
164         /* Grab focus, we need to block in order to prevent a
165            recursive call to this callback */
166         g_signal_handler_block (G_OBJECT (ppriv->notebook), priv->switch_handler);
167
168         /* This is a GDK lock because we are an idle callback and
169          * the code below is or does Gtk+ code */
170
171         gdk_threads_enter (); /* CHECKED */
172         gtk_widget_grab_focus (helper->focus_widget);
173         gdk_threads_leave (); /* CHECKED */
174
175         g_signal_handler_unblock (G_OBJECT (ppriv->notebook), priv->switch_handler);
176         g_free (helper);
177
178         return FALSE;
179 }
180
181
182 static void
183 on_switch_page (GtkNotebook *notebook, GtkNotebookPage *page, guint page_num, gpointer user_data)
184 {
185         /* grab the focus to the default element in the current page */
186         GtkWidget *selected_page = NULL, *focus_item = NULL;
187         SwitchPageHelper *helper;
188
189         selected_page = gtk_notebook_get_nth_page (notebook, page_num);
190         focus_item = GTK_WIDGET(g_object_get_data (G_OBJECT(selected_page), DEFAULT_FOCUS_WIDGET));
191         if (!focus_item) {
192                 g_printerr ("modest: cannot get focus item\n");
193                 return;
194         }
195
196         /* Create the helper */
197         helper = g_malloc0 (sizeof (SwitchPageHelper));
198         helper->dia = MODEST_MAEMO_GLOBAL_SETTINGS_DIALOG (user_data);
199         helper->focus_widget = focus_item;
200
201         /* Focus the widget in an idle. We need to do this in an idle,
202            because this handler is executed *before* the page was
203            really switched, so the focus is not placed in the right
204            widget */
205         g_idle_add (idle_select_default_focus, helper);
206 }
207
208
209 static void
210 modest_maemo_global_settings_dialog_init (ModestMaemoGlobalSettingsDialog *self)
211 {
212         ModestMaemoGlobalSettingsDialogPrivate *priv;
213         ModestGlobalSettingsDialogPrivate *ppriv;
214
215         priv  = MODEST_MAEMO_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (self);
216         ppriv = MODEST_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (self);
217
218         ppriv->updating_page = create_updating_page (self);
219         ppriv->composing_page = create_composing_page (self);
220
221         /* Add the buttons: */
222         gtk_dialog_add_button (GTK_DIALOG (self), _("mcen_bd_dialog_ok"), GTK_RESPONSE_OK);
223         gtk_dialog_add_button (GTK_DIALOG (self), _("mcen_bd_dialog_cancel"), GTK_RESPONSE_CANCEL);
224
225         /* Set the default focusable widgets */
226         g_object_set_data (G_OBJECT(ppriv->updating_page), DEFAULT_FOCUS_WIDGET,
227                            (gpointer)ppriv->auto_update);
228         g_object_set_data (G_OBJECT(ppriv->composing_page), DEFAULT_FOCUS_WIDGET,
229                            (gpointer)ppriv->msg_format);
230
231         /* Add the notebook pages: */
232         gtk_notebook_append_page (GTK_NOTEBOOK (ppriv->notebook), ppriv->updating_page, 
233                                   gtk_label_new (_("mcen_ti_options_updating")));
234         gtk_notebook_append_page (GTK_NOTEBOOK (ppriv->notebook), ppriv->composing_page, 
235                                   gtk_label_new (_("mcen_ti_options_composing")));
236                 
237         gtk_container_add (GTK_CONTAINER (GTK_DIALOG (self)->vbox), ppriv->notebook);
238         gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (self)->vbox), MODEST_MARGIN_HALF);
239
240         gtk_window_set_default_size (GTK_WINDOW (self), 700, 300);
241
242         g_signal_connect (G_OBJECT (self), "key-press-event",
243                           G_CALLBACK (on_inner_tabs_key_pressed), self);
244         priv->switch_handler = g_signal_connect (G_OBJECT(ppriv->notebook), "switch-page",
245                                                  G_CALLBACK(on_switch_page), self);
246
247         /* Load current config */
248         _modest_global_settings_dialog_load_conf (MODEST_GLOBAL_SETTINGS_DIALOG (self));
249
250         /* Set first page */
251         gtk_notebook_set_current_page (GTK_NOTEBOOK (ppriv->notebook), 0);
252
253         hildon_help_dialog_help_enable (GTK_DIALOG(self), "applications_email_options_dialog",
254                                         modest_maemo_utils_get_osso_context());
255 }
256
257 static void
258 modest_maemo_global_settings_dialog_finalize (GObject *obj)
259 {
260         ModestGlobalSettingsDialogPrivate *ppriv;
261         ModestMaemoGlobalSettingsDialogPrivate *priv;
262
263         priv = MODEST_MAEMO_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (obj);
264         ppriv = MODEST_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (obj);
265
266         if (priv->switch_handler && ppriv->notebook) {
267                 /* TODO: This causes a g_warning and a valgrind mem error: */
268                 /* g_signal_handler_disconnect (G_OBJECT (ppriv->notebook), priv->switch_handler);*/
269                 priv->switch_handler = 0;
270         }
271
272 /*      free/unref instance resources here */
273         G_OBJECT_CLASS(parent_class)->finalize (obj);
274 }
275
276 GtkWidget*
277 modest_maemo_global_settings_dialog_new (void)
278 {
279         return GTK_WIDGET(g_object_new(MODEST_TYPE_MAEMO_GLOBAL_SETTINGS_DIALOG, NULL));
280 }
281
282 /*
283  * Creates the updating page
284  */
285 static GtkWidget*
286 create_updating_page (ModestMaemoGlobalSettingsDialog *self)
287 {
288         GtkWidget *vbox, *vbox_update, *vbox_limit, *caption;
289         GtkSizeGroup *size_group;
290         ModestGlobalSettingsDialogPrivate *ppriv;
291         GtkWidget *scrollwin = NULL;
292         GtkAdjustment *focus_adjustment = NULL;
293
294         ppriv = MODEST_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (self);
295         scrollwin = gtk_scrolled_window_new (NULL, NULL);
296         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrollwin), 
297                                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
298
299         vbox = gtk_vbox_new (FALSE, MODEST_MARGIN_DEFAULT);
300
301         vbox_update = gtk_vbox_new (FALSE, MODEST_MARGIN_DEFAULT);
302         size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
303
304         /* Auto update */
305         ppriv->auto_update = gtk_check_button_new ();
306         caption = hildon_caption_new (size_group, 
307                                       _("mcen_fi_options_autoupdate"), 
308                                       ppriv->auto_update, 
309                                       NULL, 
310                                       HILDON_CAPTION_MANDATORY);
311         gtk_box_pack_start (GTK_BOX (vbox_update), caption, FALSE, FALSE, MODEST_MARGIN_HALF);
312         g_signal_connect (ppriv->auto_update, "toggled", G_CALLBACK (on_auto_update_toggled), self);
313
314         /* Connected via */
315
316         /* Note: This ModestPairList* must exist for as long as the combo
317          * that uses it, because the ModestComboBox uses the ID opaquely, 
318          * so it can't know how to manage its memory. */ 
319         ppriv->connect_via_list = _modest_global_settings_dialog_get_connected_via ();
320         ppriv->connect_via = modest_combo_box_new (ppriv->connect_via_list, g_int_equal);
321
322         caption = hildon_caption_new (size_group, 
323                                       _("mcen_fi_options_connectiontype"),
324                                       ppriv->connect_via, 
325                                       NULL, 
326                                       HILDON_CAPTION_MANDATORY);
327         gtk_box_pack_start (GTK_BOX (vbox_update), caption, FALSE, FALSE, MODEST_MARGIN_HALF);
328
329         /* Update interval */
330
331         /* Note: This ModestPairList* must exist for as long as the combo
332          * that uses it, because the ModestComboBox uses the ID opaquely, 
333          * so it can't know how to manage its memory. */ 
334         ppriv->update_interval_list = _modest_global_settings_dialog_get_update_interval ();
335         ppriv->update_interval = modest_combo_box_new (ppriv->update_interval_list, g_int_equal);
336
337         caption = hildon_caption_new (size_group, 
338                                       _("mcen_fi_options_updateinterval"),
339                                       ppriv->update_interval, 
340                                       NULL, 
341                                       HILDON_CAPTION_MANDATORY);
342         gtk_box_pack_start (GTK_BOX (vbox_update), caption, FALSE, FALSE, MODEST_MARGIN_HALF);
343
344         /* Add to vbox */
345         gtk_box_pack_start (GTK_BOX (vbox), vbox_update, FALSE, FALSE, MODEST_MARGIN_HALF);
346
347         /* Separator */
348         gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, FALSE, MODEST_MARGIN_HALF);
349
350         /* Limits */
351         vbox_limit = gtk_vbox_new (FALSE, MODEST_MARGIN_DEFAULT);
352         size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
353
354         /* Size limit */
355         ppriv->size_limit = hildon_number_editor_new (MSG_SIZE_MIN_VAL, MSG_SIZE_MAX_VAL);
356         hildon_number_editor_set_value (HILDON_NUMBER_EDITOR (ppriv->size_limit), MSG_SIZE_DEF_VAL);
357         g_signal_connect (ppriv->size_limit, "range_error", G_CALLBACK (on_range_error), self);
358         g_signal_connect (ppriv->size_limit, "notify", G_CALLBACK (on_size_notify), self);
359         caption = hildon_caption_new (size_group, 
360                                       _("mcen_fi_advsetup_sizelimit"), 
361                                       ppriv->size_limit,
362                                       NULL, 
363                                       HILDON_CAPTION_MANDATORY);
364         gtk_box_pack_start (GTK_BOX (vbox_limit), caption, FALSE, FALSE, MODEST_MARGIN_HALF);
365
366         /* Play sound */
367         ppriv->play_sound = gtk_check_button_new ();
368         caption = hildon_caption_new (size_group, 
369                                       _("mcen_fi_options_playsound"), 
370                                       ppriv->play_sound, 
371                                       NULL, 
372                                       HILDON_CAPTION_MANDATORY);
373         gtk_box_pack_start (GTK_BOX (vbox_limit), caption, FALSE, FALSE, MODEST_MARGIN_HALF);
374
375         /* Add to vbox */
376         gtk_box_pack_start (GTK_BOX (vbox), vbox_limit, FALSE, FALSE, MODEST_MARGIN_HALF);
377         gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrollwin), vbox);
378         focus_adjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrollwin));
379         gtk_container_set_focus_vadjustment (GTK_CONTAINER (vbox), focus_adjustment);
380         gtk_widget_show (scrollwin);
381         
382         return scrollwin;
383 }
384
385 /*
386  * Creates the composing page
387  */
388 static GtkWidget* 
389 create_composing_page (ModestMaemoGlobalSettingsDialog *self)
390 {
391         GtkWidget *vbox;
392         GtkSizeGroup *size_group;
393         ModestGlobalSettingsDialogPrivate *ppriv;
394         GtkWidget *caption;
395
396         ppriv = MODEST_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (self);
397         size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
398         vbox = gtk_vbox_new (FALSE, MODEST_MARGIN_DEFAULT);
399
400         /* Update interval */
401
402         /* Note: This ModestPairList* must exist for as long as the combo
403          * that uses it, because the ModestComboBox uses the ID opaquely, 
404          * so it can't know how to manage its memory. */ 
405         ppriv->msg_format_list = _modest_global_settings_dialog_get_msg_formats ();
406         ppriv->msg_format = modest_combo_box_new (ppriv->msg_format_list, g_int_equal);
407
408         caption = hildon_caption_new (size_group, 
409                                       _("mcen_fi_options_messageformat"),
410                                       ppriv->msg_format, 
411                                       NULL, 
412                                       HILDON_CAPTION_MANDATORY);
413         gtk_box_pack_start (GTK_BOX (vbox), caption, FALSE, FALSE, MODEST_MARGIN_HALF);
414
415         return vbox;
416 }
417
418 static void
419 on_auto_update_toggled (GtkToggleButton *togglebutton,
420                         gpointer user_data)
421 {
422         ModestGlobalSettingsDialogPrivate *ppriv;
423         GtkWidget *caption1, *caption2;
424
425         ppriv = MODEST_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (user_data);
426         caption1 = gtk_widget_get_ancestor (ppriv->connect_via, HILDON_TYPE_CAPTION);
427         caption2 = gtk_widget_get_ancestor (ppriv->update_interval, HILDON_TYPE_CAPTION);
428
429         if (gtk_toggle_button_get_active (togglebutton)) {
430                 gtk_widget_set_sensitive (caption1, TRUE);
431                 gtk_widget_set_sensitive (caption2, TRUE);
432         } else {
433                 gtk_widget_set_sensitive (caption1, FALSE);
434                 gtk_widget_set_sensitive (caption2, FALSE);
435         }
436 }
437
438 static gboolean
439 on_range_error (HildonNumberEditor *editor, 
440                 HildonNumberEditorErrorType type,
441                 gpointer user_data)
442 {
443         gchar *msg;
444         gint new_val;
445
446         switch (type) {
447 #ifdef MODEST_HAVE_HILDON0_WIDGETS
448         case MAXIMUM_VALUE_EXCEED:
449 #else
450         case HILDON_NUMBER_EDITOR_ERROR_MAXIMUM_VALUE_EXCEED:
451 #endif
452                 msg = g_strdup_printf (dgettext("hildon-libs", "ckct_ib_maximum_value"), MSG_SIZE_MAX_VAL);
453                 new_val = MSG_SIZE_MAX_VAL;
454                 break;
455 #ifdef MODEST_HAVE_HILDON0_WIDGETS
456         case MINIMUM_VALUE_EXCEED:
457 #else
458         case HILDON_NUMBER_EDITOR_ERROR_MINIMUM_VALUE_EXCEED:
459 #endif
460                 msg = g_strdup_printf (dgettext("hildon-libs", "ckct_ib_minimum_value"), MSG_SIZE_MIN_VAL);
461                 new_val = MSG_SIZE_MIN_VAL;
462                 break;
463 #ifdef MODEST_HAVE_HILDON0_WIDGETS
464         case ERRONEOUS_VALUE:
465 #else
466         case HILDON_NUMBER_EDITOR_ERROR_ERRONEOUS_VALUE:
467 #endif
468                 msg = g_strdup_printf (dgettext("hildon-libs", "ckct_ib_set_a_value_within_range"), 
469                                        MSG_SIZE_MIN_VAL, 
470                                        MSG_SIZE_MAX_VAL);
471                 /* FIXME: use the previous */
472                 new_val = MSG_SIZE_DEF_VAL;
473                 break;
474         default:
475                 g_return_val_if_reached (FALSE);
476         }
477
478         /* Restore value */
479         hildon_number_editor_set_value (editor, new_val);
480
481         /* Show error */
482         hildon_banner_show_information (GTK_WIDGET (user_data), NULL, msg);
483
484         /* Free */
485         g_free (msg);
486
487         return TRUE;
488 }
489
490 static void       
491 on_size_notify         (HildonNumberEditor *editor, 
492                         GParamSpec *arg1,
493                         gpointer user_data)
494 {
495         ModestMaemoGlobalSettingsDialog *dialog = MODEST_MAEMO_GLOBAL_SETTINGS_DIALOG (user_data);
496         gint value = hildon_number_editor_get_value (editor);
497
498         gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, value > 0);
499 }
500
501 static ModestConnectedVia
502 current_connection (void)
503 {
504         return modest_platform_get_current_connection ();
505 }
506
507 static gboolean
508 on_inner_tabs_key_pressed (GtkWidget *widget,
509                            GdkEventKey *event,
510                            gpointer user_data)
511 {
512         ModestGlobalSettingsDialogPrivate *ppriv;
513         gboolean retval = FALSE;
514
515         ppriv = MODEST_GLOBAL_SETTINGS_DIALOG_GET_PRIVATE (user_data);
516
517         if (widget == ppriv->notebook) {
518                 if (event->keyval == GDK_Right) {
519                         gtk_notebook_next_page (GTK_NOTEBOOK (ppriv->notebook));
520                         retval = TRUE;
521                 } else if (event->keyval == GDK_Left) {
522                         gtk_notebook_prev_page (GTK_NOTEBOOK (ppriv->notebook));
523                         retval = TRUE;
524                 }
525         }
526
527         return retval;
528 }