path: root/calendar/gui/dialogs/alarm-dialog.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/* Evolution calendar - Alarm page of the calendar component dialogs
 *
 * Copyright (C) 2001-2003 Ximian, Inc.
 *
 * Authors: Federico Mena-Quintero <federico@ximian.com>
 *          Miguel de Icaza <miguel@ximian.com>
 *          Seth Alves <alves@hungry.com>
 *          JP Rosevear <jpr@ximian.com>
 *          Hans Petter Jansson <hpj@ximian.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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 <gtk/gtklabel.h>
#include <gtk/gtkcellrenderertext.h>
#include <gtk/gtkdialog.h>
#include <gtk/gtknotebook.h>
#include <gtk/gtksignal.h>
#include <gtk/gtktreeview.h>
#include <gtk/gtktreeselection.h>
#include <gtk/gtkoptionmenu.h>
#include <gtk/gtktextbuffer.h>
#include <gtk/gtktextview.h>
#include <gtk/gtktogglebutton.h>
#include <libgnome/gnome-i18n.h>
#include <bonobo/bonobo-control.h>
#include <bonobo/bonobo-exception.h>
#include <bonobo/bonobo-widget.h>
#include <glade/glade.h>
#include "e-util/e-dialog-widgets.h"
#include "e-util/e-time-utils.h"
#include <libecal/e-cal-util.h>
#include <libecal/e-cal-time-util.h>
#include "e-util/e-dialog-widgets.h"
#include "e-util/e-icon-factory.h"
#include <libebook/e-destination.h>
#include <libedataserverui/e-name-selector.h>
#include "../calendar-config.h"
#include "comp-editor-util.h"
#include "alarm-dialog.h"



typedef struct {
    /* Glade XML data */
    GladeXML *xml;

    /* The alarm  */
    ECalComponentAlarm *alarm;

    /* The client */
    ECal *ecal;
    
    /* Toplevel */
    GtkWidget *toplevel;

    GtkWidget *action;
    GtkWidget *interval_value;
    GtkWidget *value_units;
    GtkWidget *relative;
    GtkWidget *time;

    /* Alarm repeat widgets */
    GtkWidget *repeat_toggle;
    GtkWidget *repeat_group;
    GtkWidget *repeat_quantity;
    GtkWidget *repeat_value;
    GtkWidget *repeat_unit;

    GtkWidget *option_notebook;
    
    /* Display alarm widgets */
    GtkWidget *dalarm_group;
    GtkWidget *dalarm_message;
    GtkWidget *dalarm_description;

    /* Audio alarm widgets */
    GtkWidget *aalarm_group;
    GtkWidget *aalarm_sound;
    GtkWidget *aalarm_attach;

    /* Mail alarm widgets */
    const char *email;
    GtkWidget *malarm_group;
    GtkWidget *malarm_address_group;
    GtkWidget *malarm_addresses;
    GtkWidget *malarm_addressbook;
    GtkWidget *malarm_message;
    GtkWidget *malarm_description;

    /* Procedure alarm widgets */
    GtkWidget *palarm_group;
    GtkWidget *palarm_program;
    GtkWidget *palarm_args;

    /* Addressbook name selector */
    ENameSelector *name_selector;
} Dialog;

static const char *section_name = "Send To";

/* "relative" types */
enum {
    BEFORE,
    AFTER
};

/* Time units */
enum {
    MINUTES,
    HOURS,
    DAYS
};

/* Option menu maps */
static const int action_map[] = {
    E_CAL_COMPONENT_ALARM_DISPLAY,
    E_CAL_COMPONENT_ALARM_AUDIO,
    E_CAL_COMPONENT_ALARM_PROCEDURE,
    E_CAL_COMPONENT_ALARM_EMAIL,
    -1
};

static const char *action_map_cap[] = {
    CAL_STATIC_CAPABILITY_NO_DISPLAY_ALARMS,
    CAL_STATIC_CAPABILITY_NO_AUDIO_ALARMS,
        CAL_STATIC_CAPABILITY_NO_PROCEDURE_ALARMS,
    CAL_STATIC_CAPABILITY_NO_EMAIL_ALARMS
};

static const int value_map[] = {
    MINUTES,
    HOURS,
    DAYS,
    -1
};

static const int relative_map[] = {
    BEFORE,
    AFTER,
    -1
};

static const int time_map[] = {
    E_CAL_COMPONENT_ALARM_TRIGGER_RELATIVE_START,
    E_CAL_COMPONENT_ALARM_TRIGGER_RELATIVE_END,
    -1
};

enum duration_units {
    DUR_MINUTES,
    DUR_HOURS,
    DUR_DAYS
};

static const int duration_units_map[] = {
    DUR_MINUTES,
    DUR_HOURS,
    DUR_DAYS,
    -1
};

/* Fills the widgets with default values */
static void
clear_widgets (Dialog *dialog)
{
    /* Sane defaults */
    e_dialog_option_menu_set (dialog->action, E_CAL_COMPONENT_ALARM_DISPLAY, action_map);
    e_dialog_spin_set (dialog->interval_value, 15);
    e_dialog_option_menu_set (dialog->value_units, MINUTES, value_map);
    e_dialog_option_menu_set (dialog->relative, BEFORE, relative_map);
    e_dialog_option_menu_set (dialog->time, E_CAL_COMPONENT_ALARM_TRIGGER_RELATIVE_START, time_map);

    gtk_widget_set_sensitive (dialog->repeat_group, FALSE);
    gtk_widget_set_sensitive (dialog->dalarm_group, FALSE);
    gtk_widget_set_sensitive (dialog->aalarm_group, FALSE);
    gtk_widget_set_sensitive (dialog->malarm_group, FALSE);

    gtk_notebook_set_current_page (GTK_NOTEBOOK (dialog->option_notebook), 0);
}

/* fill_widgets handler for the alarm page */
static void
alarm_to_dialog (Dialog *dialog)
{
    GtkWidget *menu;
    GList *l;
    gboolean repeat;
    char *email;
    int i;  

    /* Clean the page */
    clear_widgets (dialog);

    /* Alarm types */
    menu = gtk_option_menu_get_menu (GTK_OPTION_MENU (dialog->action));
    for (i = 0, l = GTK_MENU_SHELL (menu)->children; action_map[i] != -1; i++, l = l->next) {
        if (e_cal_get_static_capability (dialog->ecal, action_map_cap[i]))
            gtk_widget_set_sensitive (l->data, FALSE);
        else
            gtk_widget_set_sensitive (l->data, TRUE);
    }

    /* Set a default address if possible */
    if (!e_cal_get_static_capability (dialog->ecal, CAL_STATIC_CAPABILITY_NO_EMAIL_ALARMS)
        && e_cal_get_alarm_email_address (dialog->ecal, &email, NULL)) {
        ECalComponentAttendee *a;
        GSList attendee_list;
        
        a = g_new0 (ECalComponentAttendee, 1);
        a->value = email;
        attendee_list.data = a;
        attendee_list.next = NULL;
        e_cal_component_alarm_set_attendee_list (dialog->alarm, &attendee_list);
        g_free (email);
        g_free (a);
    }

    /* If we can repeat */
    repeat = !e_cal_get_static_capability (dialog->ecal, CAL_STATIC_CAPABILITY_NO_ALARM_REPEAT);
    gtk_widget_set_sensitive (dialog->repeat_toggle, repeat);
}

static void
repeat_widgets_to_alarm (Dialog *dialog, ECalComponentAlarm *alarm)
{
    ECalComponentAlarmRepeat repeat;

    if (!e_dialog_toggle_get (dialog->repeat_toggle)) {
        repeat.repetitions = 0;

        e_cal_component_alarm_set_repeat (alarm, repeat);
        return;
    }

    repeat.repetitions = e_dialog_spin_get_int (dialog->repeat_quantity);

    memset (&repeat.duration, 0, sizeof (repeat.duration));
    switch (e_dialog_option_menu_get (dialog->repeat_unit, duration_units_map)) {
    case DUR_MINUTES:
        repeat.duration.minutes = e_dialog_spin_get_int (dialog->repeat_value);
        break;

    case DUR_HOURS:
        repeat.duration.hours = e_dialog_spin_get_int (dialog->repeat_value);
        break;

    case DUR_DAYS:
        repeat.duration.days = e_dialog_spin_get_int (dialog->repeat_value);
        break;

    default:
        g_assert_not_reached ();
    }

    e_cal_component_alarm_set_repeat (alarm, repeat);

}

/* Fills the audio alarm data with the values from the widgets */
static void
aalarm_widgets_to_alarm (Dialog *dialog, ECalComponentAlarm *alarm)
{
    char *url;
    icalattach *attach;

    if (!gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (dialog->aalarm_sound)))
        return;

    url = e_dialog_editable_get (dialog->aalarm_attach);
    attach = icalattach_new_from_url (url ? url : "");
    g_free (url);

    e_cal_component_alarm_set_attach (alarm, attach);
    icalattach_unref (attach);
}

/* Fills the display alarm data with the values from the widgets */
static void
dalarm_widgets_to_alarm (Dialog *dialog, ECalComponentAlarm *alarm)
{
    char *str;
    ECalComponentText description;
    GtkTextBuffer *text_buffer;
    GtkTextIter text_iter_start, text_iter_end;
    icalcomponent *icalcomp;
    icalproperty *icalprop;

    if (!gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (dialog->dalarm_message)))
        return;

    text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dialog->dalarm_description));
    gtk_text_buffer_get_start_iter (text_buffer, &text_iter_start);
    gtk_text_buffer_get_end_iter   (text_buffer, &text_iter_end);
    str = gtk_text_buffer_get_text (text_buffer, &text_iter_start, &text_iter_end, FALSE);

    description.value = str;
    description.altrep = NULL;

    e_cal_component_alarm_set_description (alarm, &description);
    g_free (str);

    /* remove the X-EVOLUTION-NEEDS-DESCRIPTION property, so that
     * we don't re-set the alarm's description */
    icalcomp = e_cal_component_alarm_get_icalcomponent (alarm);
    icalprop = icalcomponent_get_first_property (icalcomp, ICAL_X_PROPERTY);
    while (icalprop) {
        const char *x_name;

        x_name = icalproperty_get_x_name (icalprop);
        if (!strcmp (x_name, "X-EVOLUTION-NEEDS-DESCRIPTION")) {
            icalcomponent_remove_property (icalcomp, icalprop);
            break;
        }

        icalprop = icalcomponent_get_next_property (icalcomp, ICAL_X_PROPERTY);
    }
}

/* Fills the mail alarm data with the values from the widgets */
static void
malarm_widgets_to_alarm (Dialog *dialog, ECalComponentAlarm *alarm)
{
    char *str;
    ECalComponentText description;
    GSList *attendee_list = NULL;
    GtkTextBuffer *text_buffer;
    GtkTextIter text_iter_start, text_iter_end;
    ENameSelectorModel *name_selector_model;
    EDestinationStore *destination_store;
    GList *destinations;
    icalcomponent *icalcomp;
    icalproperty *icalprop;
    GList *l;
    
    /* Attendees */
    name_selector_model = e_name_selector_peek_model (dialog->name_selector);
    e_name_selector_model_peek_section (name_selector_model, section_name, NULL, &destination_store);
    destinations = e_destination_store_list_destinations (destination_store);

    for (l = destinations; l; l = g_list_next (l)) {
        EDestination *dest;
        ECalComponentAttendee *a;

        dest = l->data;
        
        a = g_new0 (ECalComponentAttendee, 1);
        a->value = e_destination_get_email (dest);
        a->cn = e_destination_get_name (dest);

        attendee_list = g_slist_append (attendee_list, a);
    }

    e_cal_component_alarm_set_attendee_list (alarm, attendee_list);

    e_cal_component_free_attendee_list (attendee_list);
    g_list_free (destinations);

    if (!gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (dialog->malarm_message)))
        return;
    
    /* Description */
    text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dialog->malarm_description));
    gtk_text_buffer_get_start_iter (text_buffer, &text_iter_start);
    gtk_text_buffer_get_end_iter   (text_buffer, &text_iter_end);
    str = gtk_text_buffer_get_text (text_buffer, &text_iter_start, &text_iter_end, FALSE);

    description.value = str;
    description.altrep = NULL;

    e_cal_component_alarm_set_description (alarm, &description);
    g_free (str);

    /* remove the X-EVOLUTION-NEEDS-DESCRIPTION property, so that
     * we don't re-set the alarm's description */
    icalcomp = e_cal_component_alarm_get_icalcomponent (alarm);
    icalprop = icalcomponent_get_first_property(icalcomp, ICAL_X_PROPERTY);
    while (icalprop) {
        const char *x_name;

        x_name = icalproperty_get_x_name (icalprop);
        if (!strcmp (x_name, "X-EVOLUTION-NEEDS-DESCRIPTION")) {
            icalcomponent_remove_property (icalcomp, icalprop);
            break;
        }

        icalprop = icalcomponent_get_next_property (icalcomp, ICAL_X_PROPERTY);
    }
}

/* Fills the procedure alarm data with the values from the widgets */
static void
palarm_widgets_to_alarm (Dialog *dialog, ECalComponentAlarm *alarm)
{
    char *program;
    icalattach *attach;
    char *str;
    ECalComponentText description;
    icalcomponent *icalcomp;
    icalproperty *icalprop;

    program = e_dialog_editable_get (dialog->palarm_program);
    attach = icalattach_new_from_url (program ? program : "");
    g_free (program);

    e_cal_component_alarm_set_attach (alarm, attach);
    icalattach_unref (attach);

    str = e_dialog_editable_get (dialog->palarm_args);
    if (str && *str) {
        description.value = str;
        description.altrep = NULL;
        
        e_cal_component_alarm_set_description (alarm, &description);
    }
    g_free (str);
    
    /* remove the X-EVOLUTION-NEEDS-DESCRIPTION property, so that
     * we don't re-set the alarm's description */
    icalcomp = e_cal_component_alarm_get_icalcomponent (alarm);
    icalprop = icalcomponent_get_first_property (icalcomp, ICAL_X_PROPERTY);
    while (icalprop) {
        const char *x_name;

        x_name = icalproperty_get_x_name (icalprop);
        if (!strcmp (x_name, "X-EVOLUTION-NEEDS-DESCRIPTION")) {
            icalcomponent_remove_property (icalcomp, icalprop);
            break;
        }

        icalprop = icalcomponent_get_next_property (icalcomp, ICAL_X_PROPERTY);
    }
}

/* fill_component handler for the alarm page */
static void
dialog_to_alarm (Dialog *dialog)
{
    ECalComponentAlarmTrigger trigger;
    ECalComponentAlarmAction action;

    /* Fill out the alarm */
    memset (&trigger, 0, sizeof (ECalComponentAlarmTrigger));
    trigger.type = e_dialog_option_menu_get (dialog->time, time_map);
    if (e_dialog_option_menu_get (dialog->relative, relative_map) == BEFORE)
        trigger.u.rel_duration.is_neg = 1;
    else
        trigger.u.rel_duration.is_neg = 0;

    switch (e_dialog_option_menu_get (dialog->value_units, value_map)) {
    case MINUTES:
        trigger.u.rel_duration.minutes =
            e_dialog_spin_get_int (dialog->interval_value);
        break;

    case HOURS:
        trigger.u.rel_duration.hours =
            e_dialog_spin_get_int (dialog->interval_value);
        break;

    case DAYS:
        trigger.u.rel_duration.days =
            e_dialog_spin_get_int (dialog->interval_value);
        break;

    default:
        g_assert_not_reached ();
    }
    e_cal_component_alarm_set_trigger (dialog->alarm, trigger);

    action = e_dialog_option_menu_get (dialog->action, action_map);
    e_cal_component_alarm_set_action (dialog->alarm, action);

    /* Repeat stuff */
    repeat_widgets_to_alarm (dialog, dialog->alarm);

    /* Options */
    switch (action) {
    case E_CAL_COMPONENT_ALARM_NONE:
        g_assert_not_reached ();
        break;

    case E_CAL_COMPONENT_ALARM_AUDIO:
        aalarm_widgets_to_alarm (dialog, dialog->alarm);
        break;

    case E_CAL_COMPONENT_ALARM_DISPLAY:
        dalarm_widgets_to_alarm (dialog, dialog->alarm);
        break;

    case E_CAL_COMPONENT_ALARM_EMAIL:
        malarm_widgets_to_alarm (dialog, dialog->alarm);
        break;

    case E_CAL_COMPONENT_ALARM_PROCEDURE:
        palarm_widgets_to_alarm (dialog, dialog->alarm);
        break;

    case E_CAL_COMPONENT_ALARM_UNKNOWN:
        break;

    default:
        g_assert_not_reached ();
    }
}

/* Gets the widgets from the XML file and returns TRUE if they are all available. */
static gboolean
get_widgets (Dialog *dialog)
{
#define GW(name) glade_xml_get_widget (dialog->xml, name)

    dialog->toplevel = GW ("alarm-dialog");
    if (!dialog->toplevel)
        return FALSE;

    dialog->action = GW ("action");
    dialog->interval_value = GW ("interval-value");
    dialog->value_units = GW ("value-units");
    dialog->relative = GW ("relative");
    dialog->time = GW ("time");

    dialog->repeat_toggle = GW ("repeat-toggle");
    dialog->repeat_group = GW ("repeat-group");
    dialog->repeat_quantity = GW ("repeat-quantity");
    dialog->repeat_value = GW ("repeat-value");
    dialog->repeat_unit = GW ("repeat-unit");

    dialog->option_notebook = GW ("option-notebook");

    dialog->dalarm_group = GW ("dalarm-group");
    dialog->dalarm_message = GW ("dalarm-message");
    dialog->dalarm_description = GW ("dalarm-description");

    dialog->aalarm_group = GW ("aalarm-group");
    dialog->aalarm_sound = GW ("aalarm-sound");
    dialog->aalarm_attach = GW ("aalarm-attach");

    dialog->malarm_group = GW ("malarm-group");
    dialog->malarm_address_group = GW ("malarm-address-group");
    dialog->malarm_addressbook = GW ("malarm-addressbook");
    dialog->malarm_message = GW ("malarm-message");
    dialog->malarm_description = GW ("malarm-description");
    
    dialog->palarm_group = GW ("palarm-group");
    dialog->palarm_program = GW ("palarm-program");
    dialog->palarm_args = GW ("palarm-args");

#undef GW

    return (dialog->action
        && dialog->interval_value
        && dialog->value_units
        && dialog->relative
        && dialog->time
        && dialog->repeat_toggle
        && dialog->repeat_group
        && dialog->repeat_quantity
        && dialog->repeat_value
        && dialog->repeat_unit
        && dialog->option_notebook
        && dialog->dalarm_group
        && dialog->dalarm_message
        && dialog->dalarm_description
        && dialog->aalarm_group
        && dialog->aalarm_sound
        && dialog->aalarm_attach
        && dialog->malarm_group
        && dialog->malarm_address_group
        && dialog->malarm_addressbook
        && dialog->malarm_message
        && dialog->malarm_description
        && dialog->palarm_group
        && dialog->palarm_program
        && dialog->palarm_args);        
}

#if 0
/* Callback used when the alarm options button is clicked */
static void
show_options (Dialog *dialog)
{
    gboolean repeat;
    char *email;

    e_cal_component_alarm_set_action (dialog->alarm,
                    e_dialog_option_menu_get (dialog->action, action_map));

    repeat = !e_cal_get_static_capability (dialog->ecal, CAL_STATIC_CAPABILITY_NO_ALARM_REPEAT);

    if (e_cal_get_static_capability (dialog->ecal, CAL_STATIC_CAPABILITY_NO_EMAIL_ALARMS)
        || e_cal_get_alarm_email_address (dialog->ecal, &email, NULL)) {
        if (!alarm_options_dialog_run (dialog->toplevel, dialog->alarm, email, repeat))
            g_message (G_STRLOC ": not create the alarm options dialog");
    }
}
#endif

static void
addressbook_clicked_cb (GtkWidget *widget, gpointer data)
{
    Dialog *dialog = data;
    ENameSelectorDialog *name_selector_dialog;

    name_selector_dialog = e_name_selector_peek_dialog (dialog->name_selector);
    gtk_widget_show (GTK_WIDGET (name_selector_dialog));
}

static void
addressbook_response_cb (GtkWidget *widget, gint response, gpointer data)
{
    Dialog *dialog = data;
    ENameSelectorDialog *name_selector_dialog;

    name_selector_dialog = e_name_selector_peek_dialog (dialog->name_selector);
    gtk_widget_hide (GTK_WIDGET (name_selector_dialog));
}

static gboolean
setup_select_names (Dialog *dialog)
{
    ENameSelectorModel *name_selector_model;
    ENameSelectorDialog *name_selector_dialog;

    dialog->name_selector = e_name_selector_new ();
    name_selector_model = e_name_selector_peek_model (dialog->name_selector);

    e_name_selector_model_add_section (name_selector_model, section_name, section_name, NULL);

    dialog->malarm_addresses =
        GTK_WIDGET (e_name_selector_peek_section_entry (dialog->name_selector, section_name));
    gtk_widget_show (dialog->malarm_addresses);
    gtk_box_pack_end_defaults (GTK_BOX (dialog->malarm_address_group), dialog->malarm_addresses);

    gtk_signal_connect (GTK_OBJECT (dialog->malarm_addressbook), "clicked",
                GTK_SIGNAL_FUNC (addressbook_clicked_cb), dialog);

    name_selector_dialog = e_name_selector_peek_dialog (dialog->name_selector);
    g_signal_connect (name_selector_dialog, "response",
              G_CALLBACK (addressbook_response_cb), dialog);

    return TRUE;
}

/* Callback used when the repeat toggle button is toggled.  We sensitize the
 * repeat group options as appropriate.
 */
static void
repeat_toggle_toggled_cb (GtkToggleButton *toggle, gpointer data)
{
    Dialog *dialog = data;
    gboolean active;

    active = gtk_toggle_button_get_active (toggle);

    gtk_widget_set_sensitive (dialog->repeat_group, active);
}

static void
check_custom_sound (Dialog *dialog)
{
    char *str;
    gboolean sens;
    
    str = e_dialog_editable_get (dialog->aalarm_attach);

    sens = e_dialog_toggle_get (dialog->aalarm_sound) ? str && *str : TRUE;
    gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog->toplevel), GTK_RESPONSE_OK, sens);

    g_free (str);
}

static void
aalarm_sound_toggled_cb (GtkToggleButton *toggle, gpointer data)
{
    Dialog *dialog = data;
    gboolean active;

    active = gtk_toggle_button_get_active (toggle);

    gtk_widget_set_sensitive (dialog->aalarm_group, active);
    check_custom_sound (dialog);
}

static void
aalarm_attach_changed_cb (GtkWidget *widget, gpointer data)
{
    Dialog *dialog = data;
    
    check_custom_sound (dialog);
}

static void
check_custom_message (Dialog *dialog)
{
    char *str;
    GtkTextBuffer *text_buffer;
    GtkTextIter text_iter_start, text_iter_end;
    gboolean sens;
    
    text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dialog->dalarm_description));
    gtk_text_buffer_get_start_iter (text_buffer, &text_iter_start);
    gtk_text_buffer_get_end_iter   (text_buffer, &text_iter_end);
    str = gtk_text_buffer_get_text (text_buffer, &text_iter_start, &text_iter_end, FALSE);

    sens = e_dialog_toggle_get (dialog->dalarm_message) ? str && *str : TRUE;
    gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog->toplevel), GTK_RESPONSE_OK, sens);

    g_free (str);
}

static void
dalarm_message_toggled_cb (GtkToggleButton *toggle, gpointer data)
{
    Dialog *dialog = data;
    gboolean active;

    active = gtk_toggle_button_get_active (toggle);

    gtk_widget_set_sensitive (dialog->dalarm_group, active);
    check_custom_message (dialog);
}

static void
dalarm_description_changed_cb (GtkWidget *widget, gpointer data)
{
    Dialog *dialog = data;
    
    check_custom_message (dialog);
}

static void
check_custom_program (Dialog *dialog)
{
    char *str;
    gboolean sens;
    
    str = e_dialog_editable_get (dialog->palarm_program);

    sens = str && *str;
    gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog->toplevel), GTK_RESPONSE_OK, sens);
}

static void
palarm_program_changed_cb (GtkWidget *widget, gpointer data)
{
    Dialog *dialog = data;
    
    check_custom_program (dialog);
}

static void
check_custom_email (Dialog *dialog)
{
    char *str;
    GtkTextBuffer *text_buffer;
    GtkTextIter text_iter_start, text_iter_end;
    ENameSelectorModel *name_selector_model;
    EDestinationStore *destination_store;
    GList *destinations;
    gboolean sens;

    name_selector_model = e_name_selector_peek_model (dialog->name_selector);
    e_name_selector_model_peek_section (name_selector_model, section_name, NULL, &destination_store);
    destinations = e_destination_store_list_destinations (destination_store);

    text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dialog->malarm_description));
    gtk_text_buffer_get_start_iter (text_buffer, &text_iter_start);
    gtk_text_buffer_get_end_iter   (text_buffer, &text_iter_end);
    str = gtk_text_buffer_get_text (text_buffer, &text_iter_start, &text_iter_end, FALSE);

    sens = (destinations != NULL) && (e_dialog_toggle_get (dialog->malarm_message) ? str && *str : TRUE);
    gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog->toplevel), GTK_RESPONSE_OK, sens);

    g_list_free (destinations);
}

static void
malarm_addresses_changed_cb  (GtkWidget *editable,
                  gpointer   data)
{
    Dialog *dialog = data;
    
    check_custom_email (dialog);
}

static void
malarm_message_toggled_cb (GtkToggleButton *toggle, gpointer data)
{
    Dialog *dialog = data;
    gboolean active;

    active = gtk_toggle_button_get_active (toggle);

    gtk_widget_set_sensitive (dialog->malarm_group, active);
    check_custom_email (dialog);
}

static void
malarm_description_changed_cb (GtkWidget *widget, gpointer data)
{
    Dialog *dialog = data;
    
    check_custom_email (dialog);
}

static void
action_selection_done_cb (GtkMenuShell *menu_shell, gpointer data)
{
    Dialog *dialog = data;
    ECalComponentAlarmAction action;
    int page = 0, i;
    
    action = e_dialog_option_menu_get (dialog->action, action_map);
    for (i = 0; action_map[i] != -1 ; i++) {
        if (action == action_map[i]) {
            page = i;
            break;
        }
    }
    
    gtk_notebook_set_page (GTK_NOTEBOOK (dialog->option_notebook), page);

    switch (action) {   
    case E_CAL_COMPONENT_ALARM_AUDIO:
        check_custom_sound (dialog);
        break;

    case E_CAL_COMPONENT_ALARM_DISPLAY:
        check_custom_message (dialog);
        break;

    case E_CAL_COMPONENT_ALARM_EMAIL:
        check_custom_email (dialog);
        break;

    case E_CAL_COMPONENT_ALARM_PROCEDURE:
        check_custom_program (dialog);
        break;
    default:
        g_assert_not_reached ();
        return;
    }
}

/* Hooks the widget signals */
static void
init_widgets (Dialog *dialog)
{
    GtkWidget *menu;
    GtkTextBuffer *text_buffer;
    
    menu = gtk_option_menu_get_menu (GTK_OPTION_MENU (dialog->action));
    g_signal_connect (menu, "selection_done",
              G_CALLBACK (action_selection_done_cb),
              dialog);

    g_signal_connect (G_OBJECT (dialog->repeat_toggle), "toggled",
              G_CALLBACK (repeat_toggle_toggled_cb), dialog);

    /* Handle custom sounds */
    g_signal_connect (G_OBJECT (dialog->aalarm_sound), "toggled",
              G_CALLBACK (aalarm_sound_toggled_cb), dialog);
    g_signal_connect (G_OBJECT (dialog->aalarm_attach), "changed",
              G_CALLBACK (aalarm_attach_changed_cb), dialog);

    /* Handle custom messages */
    g_signal_connect (G_OBJECT (dialog->dalarm_message), "toggled",
              G_CALLBACK (dalarm_message_toggled_cb), dialog);
    text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dialog->dalarm_description));
    g_signal_connect (G_OBJECT (text_buffer), "changed",
              G_CALLBACK (dalarm_description_changed_cb), dialog);

    /* Handle program */
    g_signal_connect (G_OBJECT (dialog->palarm_program), "changed",
              G_CALLBACK (palarm_program_changed_cb), dialog);

    /* Handle custom email */
    g_signal_connect (G_OBJECT (dialog->malarm_message), "toggled",
              G_CALLBACK (malarm_message_toggled_cb), dialog);
    text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dialog->malarm_description));
    g_signal_connect (G_OBJECT (text_buffer), "changed",
              G_CALLBACK (malarm_description_changed_cb), dialog);

    g_signal_connect (dialog->malarm_addresses, "changed",
              G_CALLBACK (malarm_addresses_changed_cb), dialog);
}

gboolean
alarm_dialog_run (GtkWidget *parent, ECal *ecal, ECalComponentAlarm *alarm)
{
    Dialog dialog;
    int response_id;
    GList *icon_list;
    
    g_return_val_if_fail (alarm != NULL, FALSE);

    dialog.alarm = alarm;
    dialog.ecal = ecal;
    
    dialog.xml = glade_xml_new (EVOLUTION_GLADEDIR "/alarm-dialog.glade", NULL, NULL);
    if (!dialog.xml) {
        g_message (G_STRLOC ": Could not load the Glade XML file!");
        return FALSE;
    }

    if (!get_widgets (&dialog)) {
        g_object_unref(dialog.xml);
        return FALSE;
    }

    if (!setup_select_names (&dialog)) {
        g_object_unref (dialog.xml);
        return FALSE;
    }

    init_widgets (&dialog);

    alarm_to_dialog (&dialog);

    gtk_widget_ensure_style (dialog.toplevel);
    gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (dialog.toplevel)->vbox), 0);
    gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (dialog.toplevel)->action_area), 12);

    icon_list = e_icon_factory_get_icon_list ("stock_calendar");
    if (icon_list) {
        gtk_window_set_icon_list (GTK_WINDOW (dialog.toplevel), icon_list);
        g_list_foreach (icon_list, (GFunc) g_object_unref, NULL);
        g_list_free (icon_list);
    }

    gtk_window_set_transient_for (GTK_WINDOW (dialog.toplevel),
                      GTK_WINDOW (parent));
  
    response_id = gtk_dialog_run (GTK_DIALOG (dialog.toplevel));

    if (response_id == GTK_RESPONSE_OK)
        dialog_to_alarm (&dialog);

    gtk_widget_destroy (dialog.toplevel);
    g_object_unref (dialog.xml);

    return response_id == GTK_RESPONSE_OK ? TRUE : FALSE;
}