Commit | Line | Data |
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0d032a5f | 1 | #ifndef lint |
60de5df9 | 2 | static char sccsid[] = "@(#)wwmove.c 3.7 %G%"; |
0d032a5f EW |
3 | #endif |
4 | ||
60de5df9 EW |
5 | /* |
6 | * Copyright (c) 1983 Regents of the University of California, | |
7 | * All rights reserved. Redistribution permitted subject to | |
8 | * the terms of the Berkeley Software License Agreement. | |
9 | */ | |
10 | ||
0d032a5f EW |
11 | #include "ww.h" |
12 | ||
13 | /* | |
14 | * Move a window. Should be unattached. | |
15 | */ | |
16 | wwmove(w, row, col) | |
17 | register struct ww *w; | |
18 | { | |
f2a77fe1 EW |
19 | register dr, dc; |
20 | register i; | |
21 | ||
f2a77fe1 EW |
22 | dr = row - w->ww_w.t; |
23 | dc = col - w->ww_w.l; | |
24 | ||
25 | w->ww_w.t += dr; | |
26 | w->ww_w.b += dr; | |
27 | w->ww_w.l += dc; | |
28 | w->ww_w.r += dc; | |
29 | ||
30 | w->ww_b.t += dr; | |
31 | w->ww_b.b += dr; | |
32 | w->ww_b.l += dc; | |
33 | w->ww_b.r += dc; | |
0d032a5f EW |
34 | |
35 | w->ww_i.t = MAX(w->ww_w.t, 0); | |
36 | w->ww_i.b = MIN(w->ww_w.b, wwnrow); | |
37 | w->ww_i.nr = w->ww_i.b - w->ww_i.t; | |
38 | w->ww_i.l = MAX(w->ww_w.l, 0); | |
39 | w->ww_i.r = MIN(w->ww_w.r, wwncol); | |
40 | w->ww_i.nc = w->ww_i.r - w->ww_i.l; | |
f2a77fe1 EW |
41 | |
42 | w->ww_cur.r += dr; | |
43 | w->ww_cur.c += dc; | |
44 | ||
45 | w->ww_win -= dr; | |
46 | for (i = w->ww_w.t; i < w->ww_w.b; i++) | |
47 | w->ww_win[i] -= dc; | |
f2a77fe1 EW |
48 | if (w->ww_fmap != 0) { |
49 | w->ww_fmap -= dr; | |
50 | for (i = w->ww_w.t; i < w->ww_w.b; i++) | |
51 | w->ww_fmap[i] -= dc; | |
52 | } | |
53 | w->ww_nvis -= dr; | |
c1e16556 EW |
54 | for (i = w->ww_i.t; i < w->ww_i.b; i++) { |
55 | register j = w->ww_i.l; | |
56 | register char *win = &w->ww_win[i][j]; | |
84ad208b | 57 | register char *smap = &wwsmap[i][j]; |
c1e16556 EW |
58 | int nvis = 0; |
59 | ||
84ad208b EW |
60 | for (; j < w->ww_i.r; j++, win++, smap++) |
61 | if (*win == 0 && *smap == w->ww_index) | |
c1e16556 EW |
62 | nvis++; |
63 | w->ww_nvis[i] = nvis; | |
64 | } | |
f2a77fe1 EW |
65 | w->ww_buf -= dr; |
66 | for (i = w->ww_b.t; i < w->ww_b.b; i++) | |
67 | w->ww_buf[i] -= dc; | |
0d032a5f | 68 | } |