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60de5df9 | 1 | /* |
46e9ea25 KB |
2 | * Copyright (c) 1983 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
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5 | * This code is derived from software contributed to Berkeley by |
6 | * Edward Wang at The University of California, Berkeley. | |
7 | * | |
1c15e888 C |
8 | * Redistribution and use in source and binary forms are permitted provided |
9 | * that: (1) source distributions retain this entire copyright notice and | |
10 | * comment, and (2) distributions including binaries display the following | |
11 | * acknowledgement: ``This product includes software developed by the | |
12 | * University of California, Berkeley and its contributors'' in the | |
13 | * documentation or other materials provided with the distribution and in | |
14 | * all advertising materials mentioning features or use of this software. | |
15 | * Neither the name of the University nor the names of its contributors may | |
16 | * be used to endorse or promote products derived from this software without | |
17 | * specific prior written permission. | |
18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED | |
19 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF | |
20 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
60de5df9 EW |
21 | */ |
22 | ||
46e9ea25 | 23 | #ifndef lint |
1c15e888 | 24 | static char sccsid[] = "@(#)wwlabel.c 3.17 (Berkeley) 6/6/90"; |
46e9ea25 KB |
25 | #endif /* not lint */ |
26 | ||
e7fe89d1 | 27 | #include "ww.h" |
0e64e422 | 28 | #include "char.h" |
e7fe89d1 | 29 | |
85af59e4 EW |
30 | /* |
31 | * Label window w on f, | |
32 | * at 1 line above w and 'where' columns from it's left edge. | |
33 | * Gross, but it works. | |
34 | */ | |
35 | wwlabel(w, f, where, l, mode) | |
0896e17e | 36 | struct ww *w; |
85af59e4 EW |
37 | struct ww *f; |
38 | char *l; | |
e7fe89d1 | 39 | { |
d069a508 | 40 | int row; |
85af59e4 | 41 | register j; |
d069a508 | 42 | int jj; |
85af59e4 EW |
43 | register char *win; |
44 | register union ww_char *buf; | |
45 | register union ww_char *ns; | |
0896e17e | 46 | register char *fmap; |
d069a508 EW |
47 | register char *smap; |
48 | char touched; | |
49 | char *p; | |
e7fe89d1 | 50 | |
2357b64e | 51 | if (f->ww_fmap == 0) |
03e75950 | 52 | return; |
2357b64e | 53 | |
d069a508 EW |
54 | row = w->ww_w.t - 1; |
55 | if (row < f->ww_i.t || row >= f->ww_i.b) | |
03e75950 | 56 | return; |
d069a508 EW |
57 | win = f->ww_win[row]; |
58 | buf = f->ww_buf[row]; | |
59 | fmap = f->ww_fmap[row]; | |
60 | ns = wwns[row]; | |
61 | smap = wwsmap[row]; | |
62 | touched = wwtouched[row]; | |
63 | mode <<= WWC_MSHIFT; | |
85af59e4 | 64 | |
d069a508 EW |
65 | jj = MIN(w->ww_i.r, f->ww_i.r); |
66 | j = w->ww_i.l + where; | |
67 | while (j < jj && *l) | |
68 | for (p = unctrl(*l++); j < jj && *p; j++, p++) { | |
85af59e4 | 69 | /* can't label if not already framed */ |
d069a508 EW |
70 | if (win[j] & WWM_GLS) |
71 | continue; | |
72 | if (smap[j] != f->ww_index) | |
73 | buf[j].c_w = mode | *p; | |
74 | else { | |
75 | ns[j].c_w = (buf[j].c_w = mode | *p) | |
76 | ^ win[j] << WWC_MSHIFT; | |
04d70db4 | 77 | touched |= WWU_TOUCHED; |
0896e17e | 78 | } |
d069a508 | 79 | fmap[j] |= WWF_LABEL; |
85af59e4 | 80 | } |
d069a508 | 81 | wwtouched[row] = touched; |
e7fe89d1 | 82 | } |