Annotation of src/usr.bin/window/wwmove.c, Revision 1.5
1.5 ! mpech 1: /* $OpenBSD: wwmove.c,v 1.4 1997/02/25 00:04:59 downsj Exp $ */
1.2 niklas 2: /* $NetBSD: wwmove.c,v 1.4 1996/02/08 21:49:14 mycroft Exp $ */
1.1 deraadt 3:
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.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the University of
22: * California, Berkeley and its contributors.
23: * 4. Neither the name of the University nor the names of its contributors
24: * may be used to endorse or promote products derived from this software
25: * without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37: * SUCH DAMAGE.
38: */
39:
40: #ifndef lint
41: #if 0
42: static char sccsid[] = "@(#)wwmove.c 8.1 (Berkeley) 6/6/93";
43: #else
1.5 ! mpech 44: static char rcsid[] = "$OpenBSD: wwmove.c,v 1.4 1997/02/25 00:04:59 downsj Exp $";
1.1 deraadt 45: #endif
46: #endif /* not lint */
47:
48: #include "ww.h"
49:
50: /*
51: * Move a window. Should be unattached.
52: */
53: wwmove(w, row, col)
1.5 ! mpech 54: struct ww *w;
1.1 deraadt 55: {
1.5 ! mpech 56: int dr, dc;
! 57: int i;
1.1 deraadt 58:
59: dr = row - w->ww_w.t;
60: dc = col - w->ww_w.l;
61:
62: w->ww_w.t += dr;
63: w->ww_w.b += dr;
64: w->ww_w.l += dc;
65: w->ww_w.r += dc;
66:
67: w->ww_b.t += dr;
68: w->ww_b.b += dr;
69: w->ww_b.l += dc;
70: w->ww_b.r += dc;
71:
72: w->ww_i.t = MAX(w->ww_w.t, 0);
73: w->ww_i.b = MIN(w->ww_w.b, wwnrow);
74: w->ww_i.nr = w->ww_i.b - w->ww_i.t;
75: w->ww_i.l = MAX(w->ww_w.l, 0);
76: w->ww_i.r = MIN(w->ww_w.r, wwncol);
77: w->ww_i.nc = w->ww_i.r - w->ww_i.l;
78:
79: w->ww_cur.r += dr;
80: w->ww_cur.c += dc;
81:
82: w->ww_win -= dr;
83: for (i = w->ww_w.t; i < w->ww_w.b; i++)
84: w->ww_win[i] -= dc;
85: if (w->ww_fmap != 0) {
86: w->ww_fmap -= dr;
87: for (i = w->ww_w.t; i < w->ww_w.b; i++)
88: w->ww_fmap[i] -= dc;
89: }
90: w->ww_nvis -= dr;
91: for (i = w->ww_i.t; i < w->ww_i.b; i++) {
1.5 ! mpech 92: int j = w->ww_i.l;
! 93: char *win = &w->ww_win[i][j];
! 94: unsigned char *smap = &wwsmap[i][j];
1.1 deraadt 95: int nvis = 0;
96:
97: for (; j < w->ww_i.r; j++, win++, smap++)
98: if (*win == 0 && *smap == w->ww_index)
99: nvis++;
100: w->ww_nvis[i] = nvis;
101: }
102: w->ww_buf -= dr;
103: for (i = w->ww_b.t; i < w->ww_b.b; i++)
104: w->ww_buf[i] -= dc;
105: }