1/*	$NetBSD: timeout.c,v 1.7 2008/04/28 20:23:01 martin Exp $	*/
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Julian Coleman.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34__RCSID("$NetBSD: timeout.c,v 1.7 2008/04/28 20:23:01 martin Exp $");
35#endif				/* not lint */
36
37#include "curses.h"
38#include "curses_private.h"
39
40#ifndef _CURSES_USE_MACROS
41
42/*
43 * timeout --
44 *	Set the getch() delay for stdscr.
45 */
46void
47timeout(int delay)
48{
49	wtimeout(stdscr, delay);
50}
51
52#endif
53
54/*
55 * wtimeout --
56 *	Set the getch() delay for a window.
57 */
58void
59wtimeout(WINDOW *win, int delay)
60{
61
62	if (delay < 0)
63		win->delay = -1;
64	else if (!delay)
65		win->delay = delay;
66	else {
67		/*
68		 * 1. VTIME is a char
69		 * 2. timeout granularity is ms but VTIME is 0.1s
70		 */
71		if (delay > 25500)
72			win->delay = 255;
73		else
74			win->delay = (delay - 1)/ 100 + 1;
75	}
76}
77