| 1 | #ifndef lint |
| 2 | static char *sccsid = "@(#)wwlabel.c 3.10 83/12/02"; |
| 3 | #endif |
| 4 | |
| 5 | #include "ww.h" |
| 6 | |
| 7 | /* |
| 8 | * Label window w on f, |
| 9 | * at 1 line above w and 'where' columns from it's left edge. |
| 10 | * Gross, but it works. |
| 11 | */ |
| 12 | wwlabel(w, f, where, l, mode) |
| 13 | struct ww *w; |
| 14 | struct ww *f; |
| 15 | char *l; |
| 16 | { |
| 17 | int row; |
| 18 | register j; |
| 19 | int jj; |
| 20 | register char *win; |
| 21 | register union ww_char *buf; |
| 22 | register union ww_char *ns; |
| 23 | register char *fmap; |
| 24 | register char *smap; |
| 25 | char touched; |
| 26 | char *p; |
| 27 | |
| 28 | if (f->ww_fmap == 0) |
| 29 | return; |
| 30 | |
| 31 | row = w->ww_w.t - 1; |
| 32 | if (row < f->ww_i.t || row >= f->ww_i.b) |
| 33 | return; |
| 34 | win = f->ww_win[row]; |
| 35 | buf = f->ww_buf[row]; |
| 36 | fmap = f->ww_fmap[row]; |
| 37 | ns = wwns[row]; |
| 38 | smap = wwsmap[row]; |
| 39 | touched = wwtouched[row]; |
| 40 | mode <<= WWC_MSHIFT; |
| 41 | |
| 42 | jj = MIN(w->ww_i.r, f->ww_i.r); |
| 43 | j = w->ww_i.l + where; |
| 44 | while (j < jj && *l) |
| 45 | for (p = unctrl(*l++); j < jj && *p; j++, p++) { |
| 46 | /* can't label if not already framed */ |
| 47 | if (win[j] & WWM_GLS) |
| 48 | continue; |
| 49 | if (smap[j] != f->ww_index) |
| 50 | buf[j].c_w = mode | *p; |
| 51 | else { |
| 52 | ns[j].c_w = (buf[j].c_w = mode | *p) |
| 53 | ^ win[j] << WWC_MSHIFT; |
| 54 | touched |= WWU_TOUCHED; |
| 55 | } |
| 56 | fmap[j] |= WWF_LABEL; |
| 57 | } |
| 58 | wwtouched[row] = touched; |
| 59 | } |