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

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

/*
 * Author :
 *  Damon Chaplin <damon@ximian.com>
 *
 * Copyright 2000, Ximian, Inc.
 * Copyright 2000, Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * 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
 */

/*
 * CalPrefsDialog - a GtkObject which handles a libglade-loaded dialog
 * to edit the calendar preference settings.
 */

#include <config.h>
#include <libgnomeui/gnome-color-picker.h>
#include <glade/glade.h>
#include <gal/util/e-util.h>
#include <e-util/e-dialog-widgets.h>
#include <widgets/misc/e-dateedit.h>
#include "../e-timezone-entry.h"
#include "cal-prefs-dialog.h"
#include "../calendar-config.h"
#include "../calendar-commands.h"
#include "../e-tasks.h"


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

    GtkWidget *dialog;

    GtkWidget *timezone;
    GtkWidget *working_days[7];
    GtkWidget *week_start_day;
    GtkWidget *start_of_day;
    GtkWidget *end_of_day;
    GtkWidget *use_12_hour;
    GtkWidget *use_24_hour;
    GtkWidget *time_divisions;
    GtkWidget *show_end_times;
    GtkWidget *compress_weekend;
    GtkWidget *dnav_show_week_no;

    /* Widgets for the task list options */
    GtkWidget *tasks_due_today_color;
    GtkWidget *tasks_overdue_color;
};

static const int week_start_day_map[] = {
    1, 2, 3, 4, 5, 6, 0, -1
};

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

static void cal_prefs_dialog_class_init     (CalPrefsDialogClass *class);
static void cal_prefs_dialog_init       (CalPrefsDialog      *prefs);
static gboolean get_widgets         (CalPrefsDialog      *prefs);
static void cal_prefs_dialog_destroy        (GtkObject       *object);
static void cal_prefs_dialog_init_widgets   (CalPrefsDialog      *prefs);
static void cal_prefs_dialog_button_clicked (GtkWidget       *dialog,
                         gint             button,
                         CalPrefsDialog      *prefs);
static void cal_prefs_dialog_use_24_hour_toggled(GtkWidget       *button,
                         CalPrefsDialog      *prefs);
static void cal_prefs_dialog_show_config    (CalPrefsDialog      *prefs);
static void cal_prefs_dialog_update_config  (CalPrefsDialog      *prefs);

GtkWidget*  cal_prefs_dialog_create_time_edit   (void);

static GtkObjectClass *parent_class;

E_MAKE_TYPE (cal_prefs_dialog, "CalPrefsDialog", CalPrefsDialog,
         cal_prefs_dialog_class_init, cal_prefs_dialog_init,
         GTK_TYPE_OBJECT)


static void
cal_prefs_dialog_class_init (CalPrefsDialogClass *class)
{
    GtkObjectClass *object_class;

    object_class = (GtkObjectClass *) class;

    parent_class = gtk_type_class (GTK_TYPE_OBJECT);

    object_class->destroy = cal_prefs_dialog_destroy;
}


static void
cal_prefs_dialog_init (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    priv = g_new0 (CalPrefsDialogPrivate, 1);
    prefs->priv = priv;

}


/**
 * cal_prefs_dialog_new:
 * @Returns: a new #CalPrefsDialog.
 *
 * Creates a new #CalPrefsDialog.
 **/
CalPrefsDialog *
cal_prefs_dialog_new (void)
{
    CalPrefsDialog *prefs;

    prefs = CAL_PREFS_DIALOG (gtk_type_new (cal_prefs_dialog_get_type ()));
    return cal_prefs_dialog_construct (prefs);
}


/**
 * cal_prefs_dialog_construct:
 * @prefs: A #CalPrefsDialog.
 * 
 * Constructs a task editor by loading its Glade XML file.
 * 
 * Return value: The same object as @prefs, or NULL if the widgets could not be
 * created.  In the latter case, the task editor will automatically be
 * destroyed.
 **/
CalPrefsDialog *
cal_prefs_dialog_construct (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    g_return_val_if_fail (IS_CAL_PREFS_DIALOG (prefs), NULL);

    priv = prefs->priv;

    /* Load the content widgets */

    priv->xml = glade_xml_new (EVOLUTION_GLADEDIR "/cal-prefs-dialog.glade", NULL);
    if (!priv->xml) {
        g_message ("cal_prefs_dialog_construct(): Could not load the Glade XML file!");
        goto error;
    }

    if (!get_widgets (prefs)) {
        g_message ("cal_prefs_dialog_construct(): Could not find all widgets in the XML file!");
        goto error;
    }

    cal_prefs_dialog_init_widgets (prefs);

    cal_prefs_dialog_show_config (prefs);

    gtk_widget_show (priv->dialog);

    return prefs;

 error:

    gtk_object_unref (GTK_OBJECT (prefs));
    return NULL;
}


/* Gets the widgets from the XML file and returns if they are all available.
 */
static gboolean
get_widgets (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    priv = prefs->priv;

#define GW(name) glade_xml_get_widget (priv->xml, name)

    priv->dialog = GW ("cal-prefs-dialog");

    /* The indices must match the mktime() values. */
    priv->working_days[0] = GW ("sun_button");
    priv->working_days[1] = GW ("mon_button");
    priv->working_days[2] = GW ("tue_button");
    priv->working_days[3] = GW ("wed_button");
    priv->working_days[4] = GW ("thu_button");
    priv->working_days[5] = GW ("fri_button");
    priv->working_days[6] = GW ("sat_button");

    priv->timezone = GW ("timezone");
    priv->week_start_day = GW ("first_day_of_week");
    priv->start_of_day = GW ("start_of_day");
    priv->end_of_day = GW ("end_of_day");
    priv->use_12_hour = GW ("use_12_hour");
    priv->use_24_hour = GW ("use_24_hour");
    priv->time_divisions = GW ("time_divisions");
    priv->show_end_times = GW ("show_end_times");
    priv->compress_weekend = GW ("compress_weekend");
    priv->dnav_show_week_no = GW ("dnav_show_week_no");

    priv->tasks_due_today_color = GW ("tasks_due_today_color");
    priv->tasks_overdue_color = GW ("tasks_overdue_color");

#undef GW

    return (priv->dialog
        && priv->timezone
        && priv->working_days[0]
        && priv->working_days[1]
        && priv->working_days[2]
        && priv->working_days[3]
        && priv->working_days[4]
        && priv->working_days[5]
        && priv->working_days[6]
        && priv->week_start_day
        && priv->start_of_day
        && priv->end_of_day
        && priv->use_12_hour
        && priv->use_24_hour
        && priv->time_divisions
        && priv->show_end_times
        && priv->compress_weekend
        && priv->dnav_show_week_no);
}


static void
cal_prefs_dialog_destroy (GtkObject *object)
{
    CalPrefsDialog *prefs;
    CalPrefsDialogPrivate *priv;

    g_return_if_fail (IS_CAL_PREFS_DIALOG (object));

    prefs = CAL_PREFS_DIALOG (object);
    priv = prefs->priv;


    g_free (priv);
    prefs->priv = NULL;

    if (GTK_OBJECT_CLASS (parent_class)->destroy)
        (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}


/* Called by libglade to create our custom EDateEdit widgets. */
GtkWidget *
cal_prefs_dialog_create_time_edit (void)
{
    GtkWidget *dedit;

    dedit = e_date_edit_new ();

    e_date_edit_set_time_popup_range (E_DATE_EDIT (dedit), 0, 24);
    e_date_edit_set_show_date (E_DATE_EDIT (dedit), FALSE);

    return dedit;
}


void
cal_prefs_dialog_show       (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    g_return_if_fail (IS_CAL_PREFS_DIALOG (prefs));

    priv = prefs->priv;

    /* If the dialog is already show just raise it, otherwise refresh the
       config settings and show it. */
    if (GTK_WIDGET_MAPPED (priv->dialog)) {
        gdk_window_raise (priv->dialog->window);
    } else {
        cal_prefs_dialog_show_config (prefs);
        gtk_widget_show (priv->dialog);
    }
}


/* Connects any necessary signal handlers. */
static void
cal_prefs_dialog_init_widgets   (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    priv = prefs->priv;

    gtk_signal_connect (GTK_OBJECT (priv->dialog), "clicked",
                GTK_SIGNAL_FUNC (cal_prefs_dialog_button_clicked),
                prefs);

    gtk_signal_connect (GTK_OBJECT (priv->use_24_hour), "toggled",
                GTK_SIGNAL_FUNC (cal_prefs_dialog_use_24_hour_toggled),
                prefs);
}


static void
cal_prefs_dialog_button_clicked (GtkWidget  *dialog,
                 gint        button,
                 CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    g_return_if_fail (IS_CAL_PREFS_DIALOG (prefs));

    priv = prefs->priv;

    /* OK & Apply buttons update the config settings. */
    if (button == 0 || button == 1)
        cal_prefs_dialog_update_config  (prefs);

    /* OK & Close buttons close the dialog. */
    if (button == 0 || button == 2)
        gtk_widget_hide (priv->dialog);
}


static void
cal_prefs_dialog_use_24_hour_toggled    (GtkWidget  *button,
                     CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;
    gboolean use_24_hour;

    priv = prefs->priv;

    use_24_hour = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->use_24_hour));

    e_date_edit_set_use_24_hour_format (E_DATE_EDIT (priv->start_of_day),
                        use_24_hour);
    e_date_edit_set_use_24_hour_format (E_DATE_EDIT (priv->end_of_day),
                        use_24_hour);
}

/* Sets the color in a color picker from an X color spec */
static void
set_color_picker (GtkWidget *picker, const char *spec)
{
    GdkColor color;

    g_assert (spec != NULL);

    if (!gdk_color_parse (spec, &color)) {
        color.red = color.green = color.blue = 0;
        return;
    }

    gnome_color_picker_set_i16 (GNOME_COLOR_PICKER (picker),
                    color.red,
                    color.green,
                    color.blue,
                    65535);
}

/* Shows the current task list settings in the dialog */
static void
show_task_list_config (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    priv = prefs->priv;

    set_color_picker (priv->tasks_due_today_color, calendar_config_get_tasks_due_today_color ());
    set_color_picker (priv->tasks_overdue_color, calendar_config_get_tasks_overdue_color ());
}

/* Shows the current config settings in the dialog. */
static void
cal_prefs_dialog_show_config    (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;
    CalWeekdays working_days;
    gint mask, day, week_start_day, time_divisions;
    char *zone;

    priv = prefs->priv;

    /* Timezone. */
    zone = calendar_config_get_timezone ();
    e_timezone_entry_set_timezone (E_TIMEZONE_ENTRY (priv->timezone),
                       zone ? zone : "");

    /* Working Days. */
    working_days = calendar_config_get_working_days ();
    mask = 1 << 0;
    for (day = 0; day < 7; day++) {
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->working_days[day]), (working_days & mask) ? TRUE : FALSE);
        mask <<= 1;
    }

    /* Week Start Day. */
    week_start_day = calendar_config_get_week_start_day ();
    e_dialog_option_menu_set (priv->week_start_day, week_start_day,
                  week_start_day_map);

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

    /* 12/24 Hour Format. */
    if (calendar_config_get_24_hour_format ())
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->use_24_hour), TRUE);
    else
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->use_12_hour), TRUE);

    /* Time Divisions. */
    time_divisions = calendar_config_get_time_divisions ();
    e_dialog_option_menu_set (priv->time_divisions, time_divisions,
                  time_division_map);

    /* Show Appointment End Times. */
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->show_end_times),
                      calendar_config_get_show_event_end ());

    /* Compress Weekend. */
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->compress_weekend), calendar_config_get_compress_weekend ());

    /* Date Navigator - Show Week Numbers. */
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->dnav_show_week_no), calendar_config_get_dnav_show_week_no ());

    /* Task list */

    show_task_list_config (prefs);
}

/* Returns a pointer to a static string with an X color spec for the current
 * value of a color picker.
 */
static const char *
spec_from_picker (GtkWidget *picker)
{
    static char spec[8];
    guint8 r, g, b;

    gnome_color_picker_get_i8 (GNOME_COLOR_PICKER (picker), &r, &g, &b, NULL);
    g_snprintf (spec, sizeof (spec), "#%02x%02x%02x", r, g, b);

    return spec;
}

/* Updates the task list config values from the settings in the dialog */
static void
update_task_list_config (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;

    priv = prefs->priv;

    calendar_config_set_tasks_due_today_color (spec_from_picker (priv->tasks_due_today_color));
    calendar_config_set_tasks_overdue_color (spec_from_picker (priv->tasks_overdue_color));
}

/* Updates the config values based on the settings in the dialog. */
static void
cal_prefs_dialog_update_config  (CalPrefsDialog *prefs)
{
    CalPrefsDialogPrivate *priv;
    CalWeekdays working_days;
    gint mask, day, week_start_day, time_divisions, hour, minute;
    char *zone;

    priv = prefs->priv;

    /* Timezone. */
    zone = e_timezone_entry_get_timezone (E_TIMEZONE_ENTRY (priv->timezone));
    calendar_config_set_timezone (zone);

    /* Working Days. */
    working_days = 0;
    mask = 1 << 0;
    for (day = 0; day < 7; day++) {
        if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->working_days[day])))
            working_days |= mask;
        mask <<= 1;
    }
    calendar_config_set_working_days (working_days);

    /* Week Start Day. */
    week_start_day = e_dialog_option_menu_get (priv->week_start_day,
                           week_start_day_map);
    calendar_config_set_week_start_day (week_start_day);

    /* Start of Day. */
    e_date_edit_get_time_of_day (E_DATE_EDIT (priv->start_of_day),
                     &hour, &minute);
    calendar_config_set_day_start_hour (hour);
    calendar_config_set_day_start_minute (minute);

    /* End of Day. */
    e_date_edit_get_time_of_day (E_DATE_EDIT (priv->end_of_day),
                     &hour, &minute);
    calendar_config_set_day_end_hour (hour);
    calendar_config_set_day_end_minute (minute);

    /* 12/24 Hour Format. */
    calendar_config_set_24_hour_format (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->use_24_hour)));

    /* Time Divisions. */
    time_divisions = e_dialog_option_menu_get (priv->time_divisions,
                           time_division_map);
    calendar_config_set_time_divisions (time_divisions);

    /* Show Appointment End Times. */
    calendar_config_set_show_event_end (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->show_end_times)));

    /* Compress Weekend. */
    calendar_config_set_compress_weekend (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->compress_weekend)));

    /* Date Navigator - Show Week Numbers. */
    calendar_config_set_dnav_show_week_no (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->dnav_show_week_no)));

    /* Task list */
    update_task_list_config (prefs);

    calendar_config_write ();
    update_all_config_settings ();
    e_tasks_update_all_config_settings ();
}