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

/* Evolution calendar - Alarm options dialog
 *
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Authors: Federico Mena-Quintero <federico@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 <glib.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-i18n.h>
#include <gtk/gtkmain.h>
#include <gtk/gtkcheckbutton.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkwindow.h>
#include <glade/glade.h>
#include "e-util/e-dialog-widgets.h"
#include "alarm-options.h"



typedef struct {
    /* Whether the dialog was accepted or canceled */
    gboolean canceled;

    /* Glade XML data */
    GladeXML *xml;

    /* Toplevel */
    GtkWidget *toplevel;

    /* Buttons */
    GtkWidget *button_ok;
    GtkWidget *button_cancel;

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

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

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

    /* FIXME: Mail alarm widgets */
    GtkWidget *malarm_group;

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



/* Gets the widgets from the XML file and returns 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-options-toplevel");

    dialog->button_ok = GW ("button-ok");
    dialog->button_cancel = GW ("button-cancel");

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

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

    dialog->malarm_group = GW ("malarm-group");

    dialog->palarm_group = GW ("palarm-group");
    dialog->palarm_program = GW ("palarm-program");
    dialog->palarm_args = GW ("palarm-args");

    return (dialog->toplevel
        && dialog->button_ok
        && dialog->button_cancel
        && dialog->repeat_toggle
        && dialog->repeat_group
        && dialog->repeat_quantity
        && dialog->repeat_value
        && dialog->repeat_unit
        && dialog->dalarm_group
        && dialog->dalarm_description
        && dialog->aalarm_group
        && dialog->aalarm_attach
        && dialog->malarm_group
        && dialog->palarm_group
        && dialog->palarm_program
        && dialog->palarm_args);
}

/* Closes the dialog by terminating its main loop */
static void
close_dialog (Dialog *dialog, gboolean canceled)
{
    dialog->canceled = canceled;
    gtk_main_quit ();
}

/* Callback used when the toplevel window is deleted */
static guint
toplevel_delete_event_cb (GtkWidget *widget, GdkEventAny *event, gpointer data)
{
    Dialog *dialog;

    dialog = data;
    close_dialog (dialog, TRUE);
    return TRUE;
}

/* Callback used when the OK button is clicked */
static void
button_ok_clicked_cb (GtkWidget *button, gpointer data)
{
    Dialog *dialog;

    dialog = data;
    close_dialog (dialog, FALSE);
}

/* Callback used when the Cancel button is clicked */
static void
button_cancel_clicked_cb (GtkWidget *button, gpointer data)
{
    Dialog *dialog;

    dialog = data;
    close_dialog (dialog, 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;
    gboolean active;

    dialog = data;

    active = gtk_toggle_button_get_active (toggle);

    gtk_widget_set_sensitive (dialog->repeat_group, active);
}

/* Hooks the widget signals */
static void
init_widgets (Dialog *dialog)
{
    /* Toplevel, buttons */

    dialog->canceled = TRUE;

    gtk_signal_connect (GTK_OBJECT (dialog->toplevel), "delete_event",
                GTK_SIGNAL_FUNC (toplevel_delete_event_cb), dialog);

    gtk_signal_connect (GTK_OBJECT (dialog->button_ok), "clicked",
                GTK_SIGNAL_FUNC (button_ok_clicked_cb), dialog);

    gtk_signal_connect (GTK_OBJECT (dialog->button_cancel), "clicked",
                GTK_SIGNAL_FUNC (button_cancel_clicked_cb), dialog);

    /* Alarm repeat */

    gtk_signal_connect (GTK_OBJECT (dialog->repeat_toggle), "toggled",
                GTK_SIGNAL_FUNC (repeat_toggle_toggled_cb), dialog);
}

/* Fills the audio alarm widgets with the values from the alarm component */
static void
alarm_to_aalarm_widgets (Dialog *dialog, CalComponentAlarm *alarm)
{
    icalattach *attach;
    const char *url;

    cal_component_alarm_get_attach (alarm, &attach);

    if (!attach) {
        e_dialog_editable_set (dialog->aalarm_attach, NULL);
        return;
    }

    /* FIXME: this does not support inline data */

    url = NULL;

    if (icalattach_get_is_url (attach))
        url = icalattach_get_url (attach);
    else
        g_message ("alarm_to_aalarm_widgets(): FIXME: we don't support inline data yet");

    e_dialog_editable_set (dialog->aalarm_attach, url);

    icalattach_unref (attach);
}

/* Fills the display alarm widgets with the values from the alarm component */
static void
alarm_to_dalarm_widgets (Dialog *dialog, CalComponentAlarm *alarm)
{
    CalComponentText description;

    cal_component_alarm_get_description (alarm, &description);

    e_dialog_editable_set (dialog->dalarm_description, description.value);
}

/* Fills the mail alarm widgets with the values from the alarm component */
static void
alarm_to_malarm_widgets (Dialog *dialog, CalComponentAlarm *alarm)
{
    /* FIXME: nothing for now; we don't support mail alarms */
}

/* Fills the procedure alarm widgets with the values from the alarm component */
static void
alarm_to_palarm_widgets (Dialog *dialog, CalComponentAlarm *alarm)
{
    icalattach *attach;
    CalComponentText description;

    cal_component_alarm_get_attach (alarm, &attach);
    cal_component_alarm_get_description (alarm, &description);

    if (attach) {
        const char *url;

        if (icalattach_get_is_url (attach)) {
            url = icalattach_get_url (attach);
            e_dialog_editable_set (dialog->palarm_program, url);
        } else
            g_message ("alarm_to_palarm_widgets(): Don't know what to do with non-URL "
                   "attachments");

        icalattach_unref (attach);
    }

    e_dialog_editable_set (dialog->palarm_args, description.value);
}

enum duration_units {
    DUR_MINUTES,
    DUR_HOURS,
    DUR_DAYS
};

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

/* Sigh.  Takes an overcomplicated duration value and reduces it to its lowest
 * common denominator.
 */
static void
normalize_duration (struct icaldurationtype dur, int *value, enum duration_units *units)
{
    if (dur.seconds != 0 || dur.minutes != 0) {
        *value = ((((dur.weeks * 7 + dur.days) * 24 + dur.hours) * 60) + dur.minutes
              + dur.seconds / 60 + ((dur.seconds % 60) >= 30 ? 1 : 0));
        *units = DUR_MINUTES;
    } else if (dur.hours) {
        *value = ((dur.weeks * 7) + dur.days) * 24 + dur.hours;
        *units = DUR_HOURS;
    } else if (dur.days != 0 || dur.weeks != 0) {
        *value = dur.weeks * 7 + dur.days;
        *units = DUR_DAYS;
    } else {
        *value = 0;
        *units = DUR_MINUTES;
    }
}

/* Fills the repeat widgets with the values from the alarm component */
static void
alarm_to_repeat_widgets (Dialog *dialog, CalComponentAlarm *alarm)
{
    CalAlarmRepeat repeat;
    int value;
    enum duration_units units;

    cal_component_alarm_get_repeat (alarm, &repeat);

    /* Sensitivity */

    if (repeat.repetitions == 0) {
        gtk_widget_set_sensitive (dialog->repeat_group, FALSE);
        e_dialog_toggle_set (dialog->repeat_toggle, FALSE);
        return;
    }

    gtk_widget_set_sensitive (dialog->repeat_group, TRUE);
    e_dialog_toggle_set (dialog->repeat_toggle, TRUE);

    /* Repetitions */
    e_dialog_spin_set (dialog->repeat_quantity, repeat.repetitions);

    /* Duration */

    normalize_duration (repeat.duration, &value, &units);

    e_dialog_spin_set (dialog->repeat_value, value);
    e_dialog_option_menu_set (dialog->repeat_unit, units, duration_units_map);
}

/* Fills the widgets with the values from the alarm component */
static void
alarm_to_dialog (Dialog *dialog, CalComponentAlarm *alarm)
{
    CalAlarmAction action;

    alarm_to_repeat_widgets (dialog, alarm);

    cal_component_alarm_get_action (alarm, &action);

    switch (action) {
    case CAL_ALARM_NONE:
        g_assert_not_reached ();
        return;

    case CAL_ALARM_AUDIO:
        gtk_window_set_title (GTK_WINDOW (dialog->toplevel), _("Audio Alarm Options"));
        gtk_widget_show (dialog->aalarm_group);
        gtk_widget_hide (dialog->dalarm_group);
        gtk_widget_hide (dialog->malarm_group);
        gtk_widget_hide (dialog->palarm_group);
        alarm_to_aalarm_widgets (dialog, alarm);
        break;

    case CAL_ALARM_DISPLAY:
        gtk_window_set_title (GTK_WINDOW (dialog->toplevel), _("Message Alarm Options"));
        gtk_widget_hide (dialog->aalarm_group);
        gtk_widget_show (dialog->dalarm_group);
        gtk_widget_hide (dialog->malarm_group);
        gtk_widget_hide (dialog->palarm_group);
        alarm_to_dalarm_widgets (dialog, alarm);
        break;

    case CAL_ALARM_EMAIL:
        gtk_window_set_title (GTK_WINDOW (dialog->toplevel), _("Mail Alarm Options"));
        gtk_widget_hide (dialog->aalarm_group);
        gtk_widget_hide (dialog->dalarm_group);
        gtk_widget_show (dialog->malarm_group);
        gtk_widget_hide (dialog->palarm_group);
        alarm_to_malarm_widgets (dialog, alarm);
        break;

    case CAL_ALARM_PROCEDURE:
        gtk_window_set_title (GTK_WINDOW (dialog->toplevel), _("Program Alarm Options"));
        gtk_widget_hide (dialog->aalarm_group);
        gtk_widget_hide (dialog->dalarm_group);
        gtk_widget_hide (dialog->malarm_group);
        gtk_widget_show (dialog->palarm_group);
        alarm_to_palarm_widgets (dialog, alarm);
        break;

    case CAL_ALARM_UNKNOWN:
        gtk_window_set_title (GTK_WINDOW (dialog->toplevel), _("Unknown Alarm Options"));
        break;

    default:
        g_assert_not_reached ();
        return;
    }
}



/* Fills the alarm data with the values from the repeat/duration widgets */
static void
repeat_widgets_to_alarm (Dialog *dialog, CalComponentAlarm *alarm)
{
    CalAlarmRepeat repeat;

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

        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 ();
    }

    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, CalComponentAlarm *alarm)
{
    char *url;
    icalattach *attach;

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

    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, CalComponentAlarm *alarm)
{
    char *str;
    CalComponentText description;

    str = e_dialog_editable_get (dialog->dalarm_description);
    description.value = str;
    description.altrep = NULL;

    cal_component_alarm_set_description (alarm, &description);
    g_free (str);
}

/* Fills the mail alarm data with the values from the widgets */
static void
malarm_widgets_to_alarm (Dialog *dialog, CalComponentAlarm *alarm)
{
    /* FIXME: nothing for now; we don't support mail alarms */
}

/* Fills the procedure alarm data with the values from the widgets */
static void
palarm_widgets_to_alarm (Dialog *dialog, CalComponentAlarm *alarm)
{
    char *program;
    icalattach *attach;
    char *str;
    CalComponentText description;

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

    cal_component_alarm_set_attach (alarm, attach);
    icalattach_unref (attach);

    str = e_dialog_editable_get (dialog->palarm_args);
    description.value = str;
    description.altrep = NULL;

    cal_component_alarm_set_description (alarm, &description);
    g_free (str);
}

/* Fills the alarm data with the values from the widgets */
static void
dialog_to_alarm (Dialog *dialog, CalComponentAlarm *alarm)
{
    CalAlarmAction action;

    repeat_widgets_to_alarm (dialog, alarm);

    cal_component_alarm_get_action (alarm, &action);

    switch (action) {
    case CAL_ALARM_NONE:
        g_assert_not_reached ();
        break;

    case CAL_ALARM_AUDIO:
        aalarm_widgets_to_alarm (dialog, alarm);
        break;

    case CAL_ALARM_DISPLAY:
        dalarm_widgets_to_alarm (dialog, alarm);
        break;

    case CAL_ALARM_EMAIL:
        malarm_widgets_to_alarm (dialog, alarm);
        break;

    case CAL_ALARM_PROCEDURE:
        palarm_widgets_to_alarm (dialog, alarm);
        break;

    case CAL_ALARM_UNKNOWN:
        break;

    default:
        g_assert_not_reached ();
    }
}



/**
 * alarm_options_dialog_run:
 * @alarm: Alarm that is to be edited.
 * 
 * Runs an alarm options dialog modally.
 * 
 * Return value: TRUE if the dialog could be created, FALSE otherwise.
 **/
gboolean
alarm_options_dialog_run (CalComponentAlarm *alarm)
{
    Dialog dialog;

    g_return_val_if_fail (alarm != NULL, FALSE);

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

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

    init_widgets (&dialog);

    alarm_to_dialog (&dialog, alarm);

    gtk_widget_show (dialog.toplevel);
    gtk_main ();

    if (!dialog.canceled)
        dialog_to_alarm (&dialog, alarm);

    gtk_widget_destroy (dialog.toplevel);
    gtk_object_unref (GTK_OBJECT (dialog.xml));

    return TRUE;
}