1 /* $NetBSD: timeout.c,v 1.8 2009/11/04 21:24:57 dsl 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 1.8 2009/11/04 21:24:57 dsl 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 */
46 void
timeout(int delay)47 timeout(int delay)
48 {
49 wtimeout(stdscr, delay);
50 }
51
52 #endif
53
54 /*
55 * wtimeout --
56 * Set the getch() delay for a window.
57 */
58 void
wtimeout(WINDOW * win,int delay)59 wtimeout(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