lib/libcurses/timeout.c

1.6  christos /*	$NetBSD: timeout.c,v 1.6 2006/07/25 21:45:00 christos Exp $	*/
1.1       mrg
1.3       jdc /*-
1.3       jdc  * Copyright (c) 1999 The NetBSD Foundation, Inc.
1.1       mrg  * All rights reserved.
1.1       mrg  *
1.3       jdc  * This code is derived from software contributed to The NetBSD Foundation
1.3       jdc  * by Julian Coleman.
1.3       jdc  *
1.1       mrg  * Redistribution and use in source and binary forms, with or without
1.1       mrg  * modification, are permitted provided that the following conditions
1.1       mrg  * are met:
1.1       mrg  * 1. Redistributions of source code must retain the above copyright
1.1       mrg  *    notice, this list of conditions and the following disclaimer.
1.3       jdc  * 2. Redistributions in binary form must reproduce the above copyright
1.3       jdc  *    notice, this list of conditions and the following disclaimer in the
1.3       jdc  *    documentation and/or other materials provided with the distribution.
1.3       jdc  * 3. All advertising materials mentioning features or use of this software
1.3       jdc  *    must display the following acknowledgement:
1.3       jdc  *        This product includes software developed by the NetBSD
1.3       jdc  *        Foundation, Inc. and its contributors.
1.3       jdc  * 4. Neither the name of The NetBSD Foundation nor the names of its
1.3       jdc  *    contributors may be used to endorse or promote products derived
1.3       jdc  *    from this software without specific prior written permission.
1.1       mrg  *
1.3       jdc  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
1.3       jdc  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
1.3       jdc  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.3       jdc  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
1.3       jdc  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.3       jdc  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.3       jdc  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.3       jdc  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.3       jdc  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.3       jdc  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.3       jdc  * POSSIBILITY OF SUCH DAMAGE.
1.1       mrg  */
1.5     blymn
1.5     blymn #include <sys/cdefs.h>
1.5     blymn #ifndef lint
1.6  christos __RCSID("$NetBSD: timeout.c,v 1.6 2006/07/25 21:45:00 christos Exp $");
1.5     blymn #endif				/* not lint */
1.1       mrg
1.1       mrg #include "curses.h"
1.2     blymn #include "curses_private.h"
1.1       mrg
1.4     blymn #ifndef _CURSES_USE_MACROS
1.4     blymn
1.1       mrg /*
1.1       mrg  * timeout --
1.4     blymn  *	Set the getch() delay for stdscr.
1.4     blymn  */
1.4     blymn void
1.4     blymn timeout(int delay)
1.4     blymn {
1.4     blymn 	wtimeout(stdscr, delay);
1.4     blymn }
1.4     blymn
1.4     blymn #endif
1.4     blymn
1.4     blymn /*
1.4     blymn  * wtimeout --
1.1       mrg  *	Set the getch() delay for a window.
1.1       mrg  */
1.1       mrg void
1.4     blymn wtimeout(WINDOW *win, int delay)
1.1       mrg {
1.1       mrg
1.2     blymn 	if (delay < 0)
1.1       mrg 		win->delay = -1;
1.2     blymn 	else if (!delay)
1.2     blymn 		win->delay = delay;
1.2     blymn 	else {
1.6  christos 		/*
1.6  christos 		 * 1. VTIME is a char
1.6  christos 		 * 2. timeout granularity is ms but VTIME is 0.1s
1.6  christos 		 */
1.6  christos 		if (delay > 25500)
1.6  christos 			win->delay = 255;
1.6  christos 		else
1.6  christos 			win->delay = delay / 100;
1.1       mrg 	}
1.1       mrg }