window(1): Remove __RCSID & friends.
[dragonfly.git] / usr.bin / window / wwmisc.c
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2c872e05 1/* @(#)wwmisc.c 8.1 (Berkeley) 6/6/93 */
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2/* $NetBSD: wwmisc.c,v 1.7 2003/08/07 11:17:41 agc Exp $ */
3
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4/*
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Edward Wang at The University of California, Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
abecab39 19 * 3. Neither the name of the University nor the names of its contributors
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20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
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36#include "ww.h"
37#include "tt.h"
38#include "char.h"
39
40/*
41 * Sufficient but not necessary test for total visibility.
42 */
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43int
44wwvisible(struct ww *w)
984263bc 45{
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46 int i;
47 int nvis = 0;
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48
49 for (i = w->ww_i.t; i < w->ww_i.b; i++)
50 nvis += w->ww_nvis[i];
abecab39 51 if (ISSET(w->ww_wflags, WWW_HASCURSOR)
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52 && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
53 && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
54 && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
55 nvis++;
56 return nvis == w->ww_i.nr * w->ww_i.nc;
57}
58
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59void
60wwbell(void)
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61{
62 ttputc(ctrl('g'));
63}