projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 2c872e05 | 1 | /* @(#)wwmove.c 8.1 (Berkeley) 6/6/93 */ |
| abecab39 SW |
2 | /* $NetBSD: wwmove.c,v 1.7 2003/08/07 11:17:42 agc Exp $ */ |
| 3 | ||
| 984263bc MD |
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 |
| 984263bc MD |
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 | ||
| 984263bc MD |
36 | #include "ww.h" |
| 37 | ||
| 38 | /* | |
| 39 | * Move a window. Should be unattached. | |
| 40 | */ | |
| abecab39 SW |
41 | void |
| 42 | wwmove(struct ww *w, int row, int col) | |
| 984263bc | 43 | { |
| abecab39 SW |
44 | int dr, dc; |
| 45 | int i; | |
| 984263bc MD |
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++) { | |
| abecab39 SW |
80 | int j = w->ww_i.l; |
| 81 | char *win = &w->ww_win[i][j]; | |
| 82 | unsigned char *smap = &wwsmap[i][j]; | |
| 984263bc MD |
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 | } |