1/*	$NetBSD: wwmisc.c,v 1.6 2002/06/14 01:07:00 wiz Exp $	*/
2
3/*
4 * Copyright (c) 1983, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Edward Wang at The University of California, Berkeley.
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 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#include <sys/cdefs.h>
36#ifndef lint
37#if 0
38static char sccsid[] = "@(#)wwmisc.c	8.1 (Berkeley) 6/6/93";
39#else
40__RCSID("$NetBSD: wwmisc.c,v 1.6 2002/06/14 01:07:00 wiz Exp $");
41#endif
42#endif /* not lint */
43
44#include "ww.h"
45#include "tt.h"
46#include "char.h"
47
48/*
49 * Sufficient but not necessary test for total visibility.
50 */
51int
52wwvisible(struct ww *w)
53{
54	int i;
55	int nvis = 0;
56
57	for (i = w->ww_i.t; i < w->ww_i.b; i++)
58		nvis += w->ww_nvis[i];
59	if (ISSET(w->ww_wflags, WWW_HASCURSOR)
60	    && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
61	    && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
62	    && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
63		nvis++;
64	return nvis == w->ww_i.nr * w->ww_i.nc;
65}
66
67void
68wwbell(void)
69{
70	ttputc(ctrl('g'));
71}
72