/*
 * calendar.c
 *
 * Copyright (C) 2002 Sun Microsystems, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * Authors: Glynn Foster <glynn.foster@sun.com>
 */

#include "config.h"

#include "util.h"
#include "zenity.h"
#include <time.h>

static GtkWidget *calendar;
static ZenityCalendarData *zen_cal_data;

static void zenity_calendar_dialog_response (
	GtkWidget *widget, int response, gpointer data);
static void zenity_calendar_double_click (GtkCalendar *calendar, gpointer data);

void
zenity_calendar (ZenityData *data, ZenityCalendarData *cal_data) {
	GtkBuilder *builder;
	GtkWidget *dialog;
	GtkWidget *button;
	GObject *text;

	zen_cal_data = cal_data;

	builder = zenity_util_load_ui_file ("zenity_calendar_dialog", NULL);

	if (builder == NULL) {
		data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
		return;
	}

	gtk_builder_connect_signals (builder, NULL);

	dialog =
		GTK_WIDGET (gtk_builder_get_object (builder, "zenity_calendar_dialog"));

	g_signal_connect (G_OBJECT (dialog),
		"response",
		G_CALLBACK (zenity_calendar_dialog_response),
		data);

	if (data->dialog_title)
		gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);

	zenity_util_set_window_icon (dialog,
		data->window_icon,
		ZENITY_IMAGE_FULLPATH ("zenity-calendar.png"));

	if (data->width > -1 || data->height > -1)
		gtk_window_set_default_size (
			GTK_WINDOW (dialog), data->width, data->height);

	if (data->modal)
		gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);

	text = gtk_builder_get_object (builder, "zenity_calendar_text");

	if (cal_data->dialog_text)
		gtk_label_set_markup (
			GTK_LABEL (text), g_strcompress (cal_data->dialog_text));

	calendar = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_calendar"));

	if (cal_data->month > 0 || cal_data->year > 0)
		gtk_calendar_select_month (
			GTK_CALENDAR (calendar), cal_data->month - 1, cal_data->year);
	if (cal_data->day > 0)
		gtk_calendar_select_day (GTK_CALENDAR (calendar), cal_data->day);

	g_signal_connect (calendar,
		"day-selected-double-click",
		G_CALLBACK (zenity_calendar_double_click),
		data);

	gtk_label_set_mnemonic_widget (GTK_LABEL (text), calendar);
	zenity_util_show_dialog (dialog, data->attach);

	if (data->timeout_delay > 0) {
		g_timeout_add_seconds (data->timeout_delay,
			(GSourceFunc) zenity_util_timeout_handle,
			dialog);
	}

	if (data->extra_label) {
		gint i = 0;
		while (data->extra_label[i] != NULL) {
			gtk_dialog_add_button (
				GTK_DIALOG (dialog), data->extra_label[i], i);
			i++;
		}
	}

	if (data->ok_label) {
		button = GTK_WIDGET (
			gtk_builder_get_object (builder, "zenity_calendar_ok_button"));
		gtk_button_set_label (GTK_BUTTON (button), data->ok_label);
	}

	if (data->cancel_label) {
		button = GTK_WIDGET (
			gtk_builder_get_object (builder, "zenity_calendar_cancel_button"));
		gtk_button_set_label (GTK_BUTTON (button), data->cancel_label);
	}

	g_object_unref (builder);

	gtk_main ();
}
static void
zenity_calendar_dialog_output (void) {
	guint day, month, year;
	gchar time_string[128];
	GDate *date = NULL;

	gtk_calendar_get_date (GTK_CALENDAR (calendar), &day, &month, &year);
	date = g_date_new_dmy (year, month + 1, day);
	g_date_strftime (time_string, 127, zen_cal_data->date_format, date);
	g_print ("%s\n", time_string);

	if (date != NULL)
		g_date_free (date);
}

static void
zenity_calendar_dialog_response (
	GtkWidget *widget, int response, gpointer data) {
	ZenityData *zen_data;

	zen_data = data;

	switch (response) {
		case GTK_RESPONSE_OK:
			zenity_calendar_dialog_output ();
			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
			break;

		case GTK_RESPONSE_CANCEL:
			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_CANCEL);
			break;

		case ZENITY_TIMEOUT:
			zenity_calendar_dialog_output ();
			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_TIMEOUT);
			break;

		default:
			if (zen_data->extra_label &&
				response < g_strv_length (zen_data->extra_label))
				printf ("%s\n", zen_data->extra_label[response]);
			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
			break;
	}
	gtk_main_quit ();
}

static void
zenity_calendar_double_click (GtkCalendar *cal, gpointer data) {
	zenity_calendar_dialog_response (NULL, GTK_RESPONSE_OK, data);
}