projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 60de5df9 | 1 | /* |
| 46e9ea25 KB |
2 | * Copyright (c) 1983 Regents of the University of California. |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted | |
| 5e8b0e60 KB |
6 | * provided that the above copyright notice and this paragraph are |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 60de5df9 EW |
16 | */ |
| 17 | ||
| 46e9ea25 | 18 | #ifndef lint |
| 5e8b0e60 | 19 | static char sccsid[] = "@(#)wwmove.c 3.9 (Berkeley) %G%"; |
| 46e9ea25 KB |
20 | #endif /* not lint */ |
| 21 | ||
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22 | #include "ww.h" |
| 23 | ||
| 24 | /* | |
| 25 | * Move a window. Should be unattached. | |
| 26 | */ | |
| 27 | wwmove(w, row, col) | |
| 28 | register struct ww *w; | |
| 29 | { | |
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30 | register dr, dc; |
| 31 | register i; | |
| 32 | ||
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33 | dr = row - w->ww_w.t; |
| 34 | dc = col - w->ww_w.l; | |
| 35 | ||
| 36 | w->ww_w.t += dr; | |
| 37 | w->ww_w.b += dr; | |
| 38 | w->ww_w.l += dc; | |
| 39 | w->ww_w.r += dc; | |
| 40 | ||
| 41 | w->ww_b.t += dr; | |
| 42 | w->ww_b.b += dr; | |
| 43 | w->ww_b.l += dc; | |
| 44 | w->ww_b.r += dc; | |
| 0d032a5f EW |
45 | |
| 46 | w->ww_i.t = MAX(w->ww_w.t, 0); | |
| 47 | w->ww_i.b = MIN(w->ww_w.b, wwnrow); | |
| 48 | w->ww_i.nr = w->ww_i.b - w->ww_i.t; | |
| 49 | w->ww_i.l = MAX(w->ww_w.l, 0); | |
| 50 | w->ww_i.r = MIN(w->ww_w.r, wwncol); | |
| 51 | w->ww_i.nc = w->ww_i.r - w->ww_i.l; | |
| f2a77fe1 EW |
52 | |
| 53 | w->ww_cur.r += dr; | |
| 54 | w->ww_cur.c += dc; | |
| 55 | ||
| 56 | w->ww_win -= dr; | |
| 57 | for (i = w->ww_w.t; i < w->ww_w.b; i++) | |
| 58 | w->ww_win[i] -= dc; | |
| f2a77fe1 EW |
59 | if (w->ww_fmap != 0) { |
| 60 | w->ww_fmap -= dr; | |
| 61 | for (i = w->ww_w.t; i < w->ww_w.b; i++) | |
| 62 | w->ww_fmap[i] -= dc; | |
| 63 | } | |
| 64 | w->ww_nvis -= dr; | |
| c1e16556 EW |
65 | for (i = w->ww_i.t; i < w->ww_i.b; i++) { |
| 66 | register j = w->ww_i.l; | |
| 67 | register char *win = &w->ww_win[i][j]; | |
| 84ad208b | 68 | register char *smap = &wwsmap[i][j]; |
| c1e16556 EW |
69 | int nvis = 0; |
| 70 | ||
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71 | for (; j < w->ww_i.r; j++, win++, smap++) |
| 72 | if (*win == 0 && *smap == w->ww_index) | |
| c1e16556 EW |
73 | nvis++; |
| 74 | w->ww_nvis[i] = nvis; | |
| 75 | } | |
| f2a77fe1 EW |
76 | w->ww_buf -= dr; |
| 77 | for (i = w->ww_b.t; i < w->ww_b.b; i++) | |
| 78 | w->ww_buf[i] -= dc; | |
| 0d032a5f | 79 | } |