window(1): Remove __RCSID & friends.
[dragonfly.git] / usr.bin / window / wwmove.c
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2c872e05 1/* @(#)wwmove.c 8.1 (Berkeley) 6/6/93 */
abecab39
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2/* $NetBSD: wwmove.c,v 1.7 2003/08/07 11:17:42 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
38/*
39 * Move a window. Should be unattached.
40 */
abecab39
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41void
42wwmove(struct ww *w, int row, int col)
984263bc 43{
abecab39
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44 int dr, dc;
45 int i;
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46
47 dr = row - w->ww_w.t;
48 dc = col - w->ww_w.l;
49
50 w->ww_w.t += dr;
51 w->ww_w.b += dr;
52 w->ww_w.l += dc;
53 w->ww_w.r += dc;
54
55 w->ww_b.t += dr;
56 w->ww_b.b += dr;
57 w->ww_b.l += dc;
58 w->ww_b.r += dc;
59
60 w->ww_i.t = MAX(w->ww_w.t, 0);
61 w->ww_i.b = MIN(w->ww_w.b, wwnrow);
62 w->ww_i.nr = w->ww_i.b - w->ww_i.t;
63 w->ww_i.l = MAX(w->ww_w.l, 0);
64 w->ww_i.r = MIN(w->ww_w.r, wwncol);
65 w->ww_i.nc = w->ww_i.r - w->ww_i.l;
66
67 w->ww_cur.r += dr;
68 w->ww_cur.c += dc;
69
70 w->ww_win -= dr;
71 for (i = w->ww_w.t; i < w->ww_w.b; i++)
72 w->ww_win[i] -= dc;
73 if (w->ww_fmap != 0) {
74 w->ww_fmap -= dr;
75 for (i = w->ww_w.t; i < w->ww_w.b; i++)
76 w->ww_fmap[i] -= dc;
77 }
78 w->ww_nvis -= dr;
79 for (i = w->ww_i.t; i < w->ww_i.b; i++) {
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80 int j = w->ww_i.l;
81 char *win = &w->ww_win[i][j];
82 unsigned char *smap = &wwsmap[i][j];
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83 int nvis = 0;
84
85 for (; j < w->ww_i.r; j++, win++, smap++)
86 if (*win == 0 && *smap == w->ww_index)
87 nvis++;
88 w->ww_nvis[i] = nvis;
89 }
90 w->ww_buf -= dr;
91 for (i = w->ww_b.t; i < w->ww_b.b; i++)
92 w->ww_buf[i] -= dc;
93}