path: root/calendar/gui/dialogs/cal-prefs-dialog.c

/*
 * This program 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 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Damon Chaplin <damon@ximian.com>
 *      Ettore Perazzoli <ettore@ximian.com>
 *      David Trowbridge <trowbrds cs colorado edu>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "../e-cal-config.h"
#include "../e-timezone-entry.h"
#include "../calendar-config.h"
#include "cal-prefs-dialog.h"
#include <widgets/misc/e-dateedit.h>
#include "e-util/e-util.h"
#include "e-util/e-binding.h"
#include "e-util/e-datetime-format.h"
#include "e-util/e-dialog-widgets.h"
#include "e-util/e-util-private.h"
#include <glib/gi18n.h>
#include <string.h>

static const gint time_division_map[] = {
    60, 30, 15, 10, 5, -1
};

/* The following two are kept separate in case we need to re-order each menu individually */
static const gint hide_completed_units_map[] = {
    CAL_MINUTES, CAL_HOURS, CAL_DAYS, -1
};

/* same is used for Birthdays & Anniversaries calendar */
static const gint default_reminder_units_map[] = {
    CAL_MINUTES, CAL_HOURS, CAL_DAYS, -1
};

static GtkVBoxClass *parent_class = NULL;

static void
calendar_prefs_dialog_finalize (GObject *obj)
{
    CalendarPrefsDialog *prefs = (CalendarPrefsDialog *) obj;

    g_object_unref (prefs->builder);

    if (prefs->gconf) {
        g_object_unref (prefs->gconf);
        prefs->gconf = NULL;
    }

    ((GObjectClass *)(parent_class))->finalize (obj);
}

static void
calendar_prefs_dialog_class_init (CalendarPrefsDialogClass *klass)
{
    GObjectClass *object_class;

    object_class = (GObjectClass *) klass;
    parent_class = g_type_class_ref (GTK_TYPE_VBOX);

    object_class->finalize = calendar_prefs_dialog_finalize;
}

static void
calendar_prefs_dialog_init (CalendarPrefsDialog *dialog)
{
}

static GtkWidget *
eccp_widget_glade (EConfig *ec, EConfigItem *item, GtkWidget *parent, GtkWidget *old, gpointer data)
{
    CalendarPrefsDialog *prefs = data;

    return e_builder_get_widget (prefs->builder, item->label);
}

static void
update_day_second_zone_caption (CalendarPrefsDialog *prefs)
{
    gchar *location;
    const gchar *caption;
    icaltimezone *zone;

    g_return_if_fail (prefs != NULL);

    caption = _("None");

    location = calendar_config_get_day_second_zone ();
    if (location && *location) {
        zone = icaltimezone_get_builtin_timezone (location);
        if (zone && icaltimezone_get_display_name (zone)) {
            caption = icaltimezone_get_display_name (zone);
        }
    }
    g_free (location);

    gtk_button_set_label (GTK_BUTTON (prefs->day_second_zone), caption);
}

static void
on_set_day_second_zone (GtkWidget *item, CalendarPrefsDialog *prefs)
{
    if (!gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (item)))
        return;

    calendar_config_set_day_second_zone (g_object_get_data (G_OBJECT (item), "timezone"));
    update_day_second_zone_caption (prefs);
}

static void
on_select_day_second_zone (GtkWidget *item, CalendarPrefsDialog *prefs)
{
    g_return_if_fail (prefs != NULL);

    calendar_config_select_day_second_zone ();
    update_day_second_zone_caption (prefs);
}

static void
day_second_zone_clicked (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    GtkWidget *menu, *item;
    GSList *group = NULL, *recent_zones, *s;
    gchar *location;
    icaltimezone *zone, *second_zone = NULL;

    menu = gtk_menu_new ();

    location = calendar_config_get_day_second_zone ();
    if (location && *location)
        second_zone = icaltimezone_get_builtin_timezone (location);
    g_free (location);

    group = NULL;
    item = gtk_radio_menu_item_new_with_label (group, _("None"));
    group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (item));
    if (!second_zone)
        gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item), TRUE);
    gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
    g_signal_connect (item, "toggled", G_CALLBACK (on_set_day_second_zone), prefs);

    recent_zones = calendar_config_get_day_second_zones ();
    for (s = recent_zones; s != NULL; s = s->next) {
        zone = icaltimezone_get_builtin_timezone (s->data);
        if (!zone)
            continue;

        item = gtk_radio_menu_item_new_with_label (group, icaltimezone_get_display_name (zone));
        group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (item));
        /* both comes from builtin, thus no problem to compare pointers */
        if (zone == second_zone)
            gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item), TRUE);
        gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
        g_object_set_data_full (G_OBJECT (item), "timezone", g_strdup (s->data), g_free);
        g_signal_connect (item, "toggled", G_CALLBACK (on_set_day_second_zone), prefs);
    }
    calendar_config_free_day_second_zones (recent_zones);

    item = gtk_separator_menu_item_new ();
    gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);

    item = gtk_menu_item_new_with_label (_("Select..."));
    g_signal_connect (item, "activate", G_CALLBACK (on_select_day_second_zone), prefs);
    gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);

    gtk_widget_show_all (menu);

    gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
            0, gtk_get_current_event_time ());
}

static void
start_of_day_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    gint start_hour, start_minute, end_hour, end_minute;
    EDateEdit *start, *end;

    start = E_DATE_EDIT (prefs->start_of_day);
    end = E_DATE_EDIT (prefs->end_of_day);

    e_date_edit_get_time_of_day (start, &start_hour, &start_minute);
    e_date_edit_get_time_of_day (end, &end_hour, &end_minute);

    if ((start_hour > end_hour) || (start_hour == end_hour && start_minute > end_minute)) {
        if (start_hour < 23)
            e_date_edit_set_time_of_day (end, start_hour + 1, start_minute);
        else
            e_date_edit_set_time_of_day (end, 23, 59);

        return;
    }

    calendar_config_set_day_start_hour (start_hour);
    calendar_config_set_day_start_minute (start_minute);
}

static void
end_of_day_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    gint start_hour, start_minute, end_hour, end_minute;
    EDateEdit *start, *end;

    start = E_DATE_EDIT (prefs->start_of_day);
    end = E_DATE_EDIT (prefs->end_of_day);

    e_date_edit_get_time_of_day (start, &start_hour, &start_minute);
    e_date_edit_get_time_of_day (end, &end_hour, &end_minute);

    if ((end_hour < start_hour) || (end_hour == start_hour && end_minute < start_minute)) {
        if (end_hour < 1)
            e_date_edit_set_time_of_day (start, 0, 0);
        else
            e_date_edit_set_time_of_day (start, end_hour - 1, end_minute);

        return;
    }

    calendar_config_set_day_end_hour (end_hour);
    calendar_config_set_day_end_minute (end_minute);
}

static void
time_divisions_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    gint time_divisions;

    time_divisions = e_dialog_combo_box_get (prefs->time_divisions, time_division_map);
    calendar_config_set_time_divisions (time_divisions);
}

static void
month_scroll_by_week_toggled (GtkToggleButton *toggle, CalendarPrefsDialog *prefs)
{
    calendar_config_set_month_scroll_by_week (gtk_toggle_button_get_active (toggle));
}

static void
hide_completed_tasks_toggled (GtkToggleButton *toggle, CalendarPrefsDialog *prefs)
{
    gboolean hide;

    hide = gtk_toggle_button_get_active (toggle);

    gtk_widget_set_sensitive (prefs->tasks_hide_completed_interval, hide);
    gtk_widget_set_sensitive (prefs->tasks_hide_completed_units, hide);

    calendar_config_set_hide_completed_tasks (hide);
}

static void
hide_completed_tasks_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    calendar_config_set_hide_completed_tasks_value (
        gtk_spin_button_get_value_as_int (
        GTK_SPIN_BUTTON (prefs->tasks_hide_completed_interval)));
}

static void
hide_completed_tasks_units_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    calendar_config_set_hide_completed_tasks_units (
        e_dialog_combo_box_get (prefs->tasks_hide_completed_units, hide_completed_units_map));
}

static void
default_reminder_toggled (GtkToggleButton *toggle, CalendarPrefsDialog *prefs)
{
    calendar_config_set_use_default_reminder (gtk_toggle_button_get_active (toggle));
}

static void
default_reminder_interval_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    const gchar *str;
    gdouble value;

    str = gtk_entry_get_text (GTK_ENTRY (widget));
    value = g_ascii_strtod (str, NULL);

    calendar_config_set_default_reminder_interval (value);
}

static void
default_reminder_units_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    calendar_config_set_default_reminder_units (
        e_dialog_combo_box_get (prefs->default_reminder_units, default_reminder_units_map));
}

static void
ba_reminder_toggled (GtkToggleButton *toggle, CalendarPrefsDialog *prefs)
{
    gboolean enabled = gtk_toggle_button_get_active (toggle);

    calendar_config_set_ba_reminder (&enabled, NULL, NULL);
}

static void
ba_reminder_interval_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    const gchar *str;
    gint value;

    str = gtk_entry_get_text (GTK_ENTRY (widget));
    value = (gint) g_ascii_strtod (str, NULL);

    calendar_config_set_ba_reminder (NULL, &value, NULL);
}

static void
ba_reminder_units_changed (GtkWidget *widget, CalendarPrefsDialog *prefs)
{
    CalUnits units = e_dialog_combo_box_get (prefs->ba_reminder_units, default_reminder_units_map);

    calendar_config_set_ba_reminder (NULL, NULL, &units);
}

static void
notify_with_tray_toggled (GtkToggleButton *toggle, CalendarPrefsDialog *prefs)
{
    GConfClient *gconf;

    g_return_if_fail (toggle != NULL);

    gconf = gconf_client_get_default ();
    gconf_client_set_bool (gconf, "/apps/evolution/calendar/notify/notify_with_tray", gtk_toggle_button_get_active (toggle), NULL);
    g_object_unref (gconf);
}

static void
alarms_selection_changed (ESourceSelector *selector, CalendarPrefsDialog *prefs)
{
    ESourceList *source_list = prefs->alarms_list;
    GSList *selection;
    GSList *l;
    GSList *groups;
    ESource *source;
    const gchar *alarm;

    /* first we clear all the alarm flags from all sources */
    g_message ("Clearing selection");
    for (groups = e_source_list_peek_groups (source_list); groups; groups = groups->next) {
        ESourceGroup *group = E_SOURCE_GROUP (groups->data);
        GSList *sources;
        for (sources = e_source_group_peek_sources (group); sources; sources = sources->next) {
            source = E_SOURCE (sources->data);

            alarm = e_source_get_property (source, "alarm");
            if (alarm && !g_ascii_strcasecmp (alarm, "never"))
                continue;

            g_message ("Unsetting for %s", e_source_peek_name (source));
            e_source_set_property (source, "alarm", "false");
        }
    }

    /* then we loop over the selector's selection, setting the
       property on those sources */
    selection = e_source_selector_get_selection (selector);
    for (l = selection; l; l = l->next) {
        source = E_SOURCE (l->data);

        alarm = (gchar *)e_source_get_property (source, "alarm");
        if (alarm && !g_ascii_strcasecmp (alarm, "never"))
            continue;

        g_message ("Setting for %s", e_source_peek_name (E_SOURCE (l->data)));
        e_source_set_property (E_SOURCE (l->data), "alarm", "true");
    }
    e_source_selector_free_selection (selection);

    /* FIXME show an error if this fails? */
    e_source_list_sync (source_list, NULL);
}

static void
update_system_tz_widgets (EShellSettings *shell_settings,
                          GParamSpec *pspec,
                          CalendarPrefsDialog *prefs)
{
    icaltimezone *zone;

    zone = e_cal_util_get_system_timezone ();
    if (zone) {
        gchar *tmp = g_strdup_printf ("(%s)", icaltimezone_get_display_name (zone));
        gtk_label_set_text (GTK_LABEL (prefs->system_tz_label), tmp);
        g_free (tmp);
    } else {
        gtk_label_set_text (GTK_LABEL (prefs->system_tz_label), "(UTC)");
    }
}

static void
setup_changes (CalendarPrefsDialog *prefs)
{
    g_signal_connect (G_OBJECT (prefs->day_second_zone), "clicked", G_CALLBACK (day_second_zone_clicked), prefs);

    g_signal_connect (G_OBJECT (prefs->start_of_day), "changed", G_CALLBACK (start_of_day_changed), prefs);
    g_signal_connect (G_OBJECT (prefs->end_of_day), "changed", G_CALLBACK (end_of_day_changed), prefs);

    g_signal_connect (G_OBJECT (prefs->time_divisions), "changed", G_CALLBACK (time_divisions_changed), prefs);

    g_signal_connect (G_OBJECT (prefs->month_scroll_by_week), "toggled", G_CALLBACK (month_scroll_by_week_toggled), prefs);

    g_signal_connect (G_OBJECT (prefs->tasks_hide_completed), "toggled",
              G_CALLBACK (hide_completed_tasks_toggled), prefs);
    g_signal_connect (G_OBJECT (prefs->tasks_hide_completed_interval), "value-changed",
              G_CALLBACK (hide_completed_tasks_changed), prefs);
    g_signal_connect (G_OBJECT (prefs->tasks_hide_completed_units), "changed", G_CALLBACK (hide_completed_tasks_units_changed), prefs);

    g_signal_connect (G_OBJECT (prefs->default_reminder), "toggled", G_CALLBACK (default_reminder_toggled), prefs);
    g_signal_connect (G_OBJECT (prefs->default_reminder_interval), "changed",
              G_CALLBACK (default_reminder_interval_changed), prefs);
    g_signal_connect (G_OBJECT (prefs->default_reminder_units), "changed", G_CALLBACK (default_reminder_units_changed), prefs);

    g_signal_connect (G_OBJECT (prefs->ba_reminder), "toggled", G_CALLBACK (ba_reminder_toggled), prefs);
    g_signal_connect (G_OBJECT (prefs->ba_reminder_interval), "changed",
              G_CALLBACK (ba_reminder_interval_changed), prefs);
    g_signal_connect (G_OBJECT (prefs->ba_reminder_units), "changed", G_CALLBACK (ba_reminder_units_changed), prefs);

    g_signal_connect (G_OBJECT (prefs->notify_with_tray), "toggled", G_CALLBACK (notify_with_tray_toggled), prefs);
    g_signal_connect (G_OBJECT (prefs->alarm_list_widget), "selection_changed", G_CALLBACK (alarms_selection_changed), prefs);
}

/* Shows the current task list settings in the dialog */
static void
show_task_list_config (CalendarPrefsDialog *prefs)
{
    CalUnits units;
    gboolean hide_completed_tasks;

    /* Hide Completed Tasks. */
    hide_completed_tasks = calendar_config_get_hide_completed_tasks ();
    gtk_toggle_button_set_active (
        GTK_TOGGLE_BUTTON (prefs->tasks_hide_completed),
        hide_completed_tasks);

    /* Hide Completed Tasks Units. */
    units = calendar_config_get_hide_completed_tasks_units ();
    e_dialog_combo_box_set (prefs->tasks_hide_completed_units, units, hide_completed_units_map);

    /* Hide Completed Tasks Value. */
    gtk_spin_button_set_value (
        GTK_SPIN_BUTTON (prefs->tasks_hide_completed_interval),
        calendar_config_get_hide_completed_tasks_value ());

    gtk_widget_set_sensitive (prefs->tasks_hide_completed_interval, hide_completed_tasks);
    gtk_widget_set_sensitive (prefs->tasks_hide_completed_units, hide_completed_tasks);
}

static void
initialize_selection (ESourceSelector *selector, ESourceList *source_list)
{
    GSList *groups;

    for (groups = e_source_list_peek_groups (source_list); groups; groups = groups->next) {
        ESourceGroup *group = E_SOURCE_GROUP (groups->data);
        GSList *sources;
        for (sources = e_source_group_peek_sources (group); sources; sources = sources->next) {
            ESource *source = E_SOURCE (sources->data);
            const gchar *completion = e_source_get_property (source, "alarm");
            if (!completion  || !g_ascii_strcasecmp (completion, "true")) {
                if (!completion)
                    e_source_set_property (E_SOURCE (source), "alarm", "true");
                e_source_selector_select_source (selector, source);
            }
        }
    }
}

static void
show_alarms_config (CalendarPrefsDialog *prefs)
{
    GConfClient *gconf;

    if (e_cal_get_sources (&prefs->alarms_list, E_CAL_SOURCE_TYPE_EVENT, NULL)) {
        prefs->alarm_list_widget = e_source_selector_new (prefs->alarms_list);
        atk_object_set_name (gtk_widget_get_accessible (prefs->alarm_list_widget), _("Selected Calendars for Alarms"));
        gtk_container_add (GTK_CONTAINER (prefs->scrolled_window), prefs->alarm_list_widget);
        gtk_widget_show (prefs->alarm_list_widget);
        initialize_selection (E_SOURCE_SELECTOR (prefs->alarm_list_widget), prefs->alarms_list);
    }

    gconf = gconf_client_get_default ();
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (prefs->notify_with_tray), gconf_client_get_bool (gconf, "/apps/evolution/calendar/notify/notify_with_tray", NULL));
    g_object_unref (gconf);
}

/* Shows the current config settings in the dialog. */
static void
show_config (CalendarPrefsDialog *prefs)
{
    gint time_divisions;
    gboolean set = FALSE;
    CalUnits units;
    gint interval;

    /* Day's second zone */
    update_day_second_zone_caption (prefs);

    /* Day's second zone */
    update_day_second_zone_caption (prefs);

    /* Start of Day. */
    e_date_edit_set_time_of_day (E_DATE_EDIT (prefs->start_of_day), calendar_config_get_day_start_hour (), calendar_config_get_day_start_minute ());

    /* End of Day. */
    e_date_edit_set_time_of_day (E_DATE_EDIT (prefs->end_of_day), calendar_config_get_day_end_hour (), calendar_config_get_day_end_minute ());

    /* Time Divisions. */
    time_divisions = calendar_config_get_time_divisions ();
    e_dialog_combo_box_set (prefs->time_divisions, time_divisions, time_division_map);

    /* Month View - Scroll by a week */
    gtk_toggle_button_set_active (
        GTK_TOGGLE_BUTTON (prefs->month_scroll_by_week),
        calendar_config_get_month_scroll_by_week ());

    /* Task list */
    show_task_list_config (prefs);

    /* Alarms list*/
    show_alarms_config (prefs);

    /* Other page */
    gtk_toggle_button_set_active (
        GTK_TOGGLE_BUTTON (prefs->default_reminder),
        calendar_config_get_use_default_reminder ());
    gtk_spin_button_set_value (
        GTK_SPIN_BUTTON (prefs->default_reminder_interval),
        calendar_config_get_default_reminder_interval ());
    e_dialog_combo_box_set (prefs->default_reminder_units, calendar_config_get_default_reminder_units (), default_reminder_units_map);

    /* Birthdays & Anniversaries reminder */
    set = calendar_config_get_ba_reminder (&interval, &units);

    gtk_toggle_button_set_active (
        GTK_TOGGLE_BUTTON (prefs->ba_reminder), set);
    gtk_spin_button_set_value (
        GTK_SPIN_BUTTON (prefs->ba_reminder_interval), interval);
    e_dialog_combo_box_set (prefs->ba_reminder_units, units, default_reminder_units_map);
}

/* plugin meta-data */
static ECalConfigItem eccp_items[] = {
    { E_CONFIG_BOOK,          (gchar *) "",                             (gchar *) "toplevel-notebook", eccp_widget_glade },
    { E_CONFIG_PAGE,          (gchar *) "00.general",                   (gchar *) "general",           eccp_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "00.general/00.time",           (gchar *) "time",              eccp_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "00.general/10.workWeek",       (gchar *) "workWeek",          eccp_widget_glade },
    { E_CONFIG_SECTION,       (gchar *) "00.general/20.alerts",         (gchar *) "alerts",            eccp_widget_glade },
    { E_CONFIG_PAGE,          (gchar *) "10.display",                   (gchar *) "display",           eccp_widget_glade },
    { E_CONFIG_SECTION,       (gchar *) "10.display/00.general",        (gchar *) "displayGeneral",    eccp_widget_glade },
    { E_CONFIG_SECTION,       (gchar *) "10.display/10.taskList",       (gchar *) "taskList",          eccp_widget_glade },
    { E_CONFIG_PAGE,          (gchar *) "15.alarms",                    (gchar *) "alarms",            eccp_widget_glade },
    { E_CONFIG_PAGE,          (gchar *) "20.freeBusy",                  (gchar *) "freebusy",          eccp_widget_glade },
    { E_CONFIG_SECTION,       (gchar *) "20.freeBusy/00.defaultServer", (gchar *) "defaultFBServer",   eccp_widget_glade },
};

static void
eccp_free (EConfig *ec, GSList *items, gpointer data)
{
    g_slist_free (items);
}

static void
calendar_prefs_dialog_construct (CalendarPrefsDialog *prefs,
                                 EShell *shell)
{
    ECalConfig *ec;
    ECalConfigTargetPrefs *target;
    EShellSettings *shell_settings;
    gboolean locale_supports_12_hour_format;
    gint i;
    GtkWidget *toplevel;
    GtkWidget *widget;
    GtkWidget *table;
    GSList *l;

    shell_settings = e_shell_get_shell_settings (shell);

    locale_supports_12_hour_format =
        calendar_config_locale_supports_12_hour_format ();

    /* Make sure our custom widget classes are registered with
     * GType before we load the GtkBuilder definition file. */
    E_TYPE_DATE_EDIT;
    E_TYPE_TIMEZONE_ENTRY;

    prefs->builder = gtk_builder_new ();
    e_load_ui_builder_definition (prefs->builder, "cal-prefs-dialog.ui");

    prefs->gconf = gconf_client_get_default ();

    /** @HookPoint-ECalConfig: Calendar Preferences Page
     * @Id: org.gnome.evolution.calendar.prefs
     * @Type: E_CONFIG_BOOK
     * @Class: org.gnome.evolution.calendar.config:1.0
     * @Target: ECalConfigTargetPrefs
     *
     * The mail calendar preferences page
     */
    ec = e_cal_config_new (E_CONFIG_BOOK, "org.gnome.evolution.calendar.prefs");
    l = NULL;
    for (i = 0; i < G_N_ELEMENTS (eccp_items); i++)
        l = g_slist_prepend (l, &eccp_items[i]);
    e_config_add_items ((EConfig *) ec, l, NULL, NULL, eccp_free, prefs);

    widget = e_builder_get_widget (prefs->builder, "use-system-tz-check");
    e_mutual_binding_new (
        shell_settings, "cal-use-system-timezone",
        widget, "active");
    g_signal_connect (
        shell_settings, "notify::cal-use-system-timezone",
        G_CALLBACK (update_system_tz_widgets), prefs);

    widget = e_builder_get_widget (prefs->builder, "timezone");
    e_mutual_binding_new (
        shell_settings, "cal-timezone",
        widget, "timezone");
    e_mutual_binding_new_with_negation (
        shell_settings, "cal-use-system-timezone",
        widget, "sensitive");

    /* General tab */
    prefs->system_tz_label = e_builder_get_widget (prefs->builder, "system-tz-label");
    prefs->day_second_zone = e_builder_get_widget (prefs->builder, "day_second_zone");

    widget = e_builder_get_widget (prefs->builder, "sun_button");
    e_mutual_binding_new (
        shell_settings, "cal-working-days-sunday",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "mon_button");
    e_mutual_binding_new (
        shell_settings, "cal-working-days-monday",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "tue_button");
    e_mutual_binding_new (
        shell_settings, "cal-working-days-tuesday",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "wed_button");
    e_mutual_binding_new (
        shell_settings, "cal-working-days-wednesday",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "thu_button");
    e_mutual_binding_new (
        shell_settings, "cal-working-days-thursday",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "fri_button");
    e_mutual_binding_new (
        shell_settings, "cal-working-days-friday",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "sat_button");
    e_mutual_binding_new (
        shell_settings, "cal-working-days-saturday",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "week_start_day");
    e_mutual_binding_new (
        shell_settings, "cal-week-start-day",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "start_of_day");
    prefs->start_of_day = widget;  /* XXX delete this */
    if (locale_supports_12_hour_format)
        e_binding_new (
            shell_settings, "cal-use-24-hour-format",
            widget, "use-24-hour-format");

    widget = e_builder_get_widget (prefs->builder, "end_of_day");
    prefs->end_of_day = widget;  /* XXX delete this */
    if (locale_supports_12_hour_format)
        e_binding_new (
            shell_settings, "cal-use-24-hour-format",
            widget, "use-24-hour-format");

    widget = e_builder_get_widget (prefs->builder, "use_12_hour");
    gtk_widget_set_sensitive (widget, locale_supports_12_hour_format);
    e_mutual_binding_new_with_negation (
        shell_settings, "cal-use-24-hour-format",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "use_24_hour");
    gtk_widget_set_sensitive (widget, locale_supports_12_hour_format);
    e_mutual_binding_new (
        shell_settings, "cal-use-24-hour-format",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "confirm_delete");
    e_mutual_binding_new (
        shell_settings, "cal-confirm-delete",
        widget, "active");

    prefs->default_reminder = e_builder_get_widget (prefs->builder, "default_reminder");
    prefs->default_reminder_interval = e_builder_get_widget (prefs->builder, "default_reminder_interval");
    prefs->default_reminder_units = e_builder_get_widget (prefs->builder, "default_reminder_units");
    prefs->ba_reminder = e_builder_get_widget (prefs->builder, "ba_reminder");
    prefs->ba_reminder_interval = e_builder_get_widget (prefs->builder, "ba_reminder_interval");
    prefs->ba_reminder_units = e_builder_get_widget (prefs->builder, "ba_reminder_units");

    /* Display tab */
    prefs->time_divisions = e_builder_get_widget (prefs->builder, "time_divisions");

    widget = e_builder_get_widget (prefs->builder, "show_end_times");
    e_mutual_binding_new (
        shell_settings, "cal-show-event-end-times",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "compress_weekend");
    e_mutual_binding_new (
        shell_settings, "cal-compress-weekend",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "dnav_show_week_no");
    e_mutual_binding_new (
        shell_settings, "cal-show-week-numbers",
        widget, "active");

    widget = e_builder_get_widget (prefs->builder, "dview_show_week_no");
    e_mutual_binding_new (
        shell_settings, "cal-day-view-show-week-numbers",
        widget, "active");

    prefs->month_scroll_by_week = e_builder_get_widget (prefs->builder, "month_scroll_by_week");

    widget = e_builder_get_widget (prefs->builder, "tasks_due_today_color");
    e_mutual_binding_new_full (
        shell_settings, "cal-tasks-color-due-today",
        widget, "color",
        e_binding_transform_string_to_color,
        e_binding_transform_color_to_string,
        (GDestroyNotify) NULL, NULL);

    widget = e_builder_get_widget (prefs->builder, "tasks_overdue_color");
    e_mutual_binding_new_full (
        shell_settings, "cal-tasks-color-overdue",
        widget, "color",
        e_binding_transform_string_to_color,
        e_binding_transform_color_to_string,
        (GDestroyNotify) NULL, NULL);

    prefs->tasks_hide_completed = e_builder_get_widget (prefs->builder, "tasks_hide_completed");
    prefs->tasks_hide_completed_interval = e_builder_get_widget (prefs->builder, "tasks_hide_completed_interval");
    prefs->tasks_hide_completed_units = e_builder_get_widget (prefs->builder, "tasks_hide_completed_units");

    /* Alarms tab */
    prefs->notify_with_tray = e_builder_get_widget (prefs->builder, "notify_with_tray");
    prefs->scrolled_window = e_builder_get_widget (prefs->builder, "calendar-source-scrolled-window");

    /* Free/Busy tab */
    widget = e_builder_get_widget (prefs->builder, "template_url");
    e_mutual_binding_new (
        shell_settings, "cal-free-busy-template",
        widget, "text");
    target = e_cal_config_target_new_prefs (ec, prefs->gconf);
    e_config_set_target ((EConfig *)ec, (EConfigTarget *) target);
    toplevel = e_config_create_widget ((EConfig *)ec);
    gtk_container_add (GTK_CONTAINER (prefs), toplevel);

    /* date/time format */
    table = e_builder_get_widget (prefs->builder, "datetime_format_table");
    e_datetime_format_add_setup_widget (table, 0, "calendar", "table",  DTFormatKindDateTime, _("Time and date:"));
    e_datetime_format_add_setup_widget (table, 1, "calendar", "table",  DTFormatKindDate, _("Date only:"));

    show_config (prefs);
    /* FIXME: weakref? */
    setup_changes (prefs);
}

GType
calendar_prefs_dialog_get_type (void)
{
    static GType type = 0;

    if (!type) {
        static GTypeInfo type_info = {
            sizeof (CalendarPrefsDialogClass),
            NULL, NULL,
            (GClassInitFunc) calendar_prefs_dialog_class_init,
            NULL, NULL,
            sizeof (CalendarPrefsDialog),
            0,
            (GInstanceInitFunc) calendar_prefs_dialog_init,
        };

        type = g_type_register_static (GTK_TYPE_VBOX, "CalendarPrefsDialog", &type_info, 0);
    }

    return type;
}

GtkWidget *
calendar_prefs_dialog_new (EShell *shell)
{
    CalendarPrefsDialog *dialog;

    g_return_val_if_fail (E_IS_SHELL (shell), NULL);

    dialog = g_object_new (CALENDAR_TYPE_PREFS_DIALOG, NULL);

    /* FIXME Kill this function. */
    calendar_prefs_dialog_construct (dialog, shell);

    return GTK_WIDGET (dialog);
}