Annotation of src/usr.bin/window/wwlabel.c, Revision 1.2
1.2 ! niklas 1: /* $NetBSD: wwlabel.c,v 1.4 1996/02/08 21:49:11 mycroft Exp $ */
1.1 deraadt 2:
3: /*
4: * Copyright (c) 1983, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * This code is derived from software contributed to Berkeley by
8: * Edward Wang at The University of California, Berkeley.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the University of
21: * California, Berkeley and its contributors.
22: * 4. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
39: #ifndef lint
40: #if 0
41: static char sccsid[] = "@(#)wwlabel.c 8.1 (Berkeley) 6/6/93";
42: #else
1.2 ! niklas 43: static char rcsid[] = "$NetBSD: wwlabel.c,v 1.4 1996/02/08 21:49:11 mycroft Exp $";
1.1 deraadt 44: #endif
45: #endif /* not lint */
46:
47: #include "ww.h"
48: #include "char.h"
49:
50: /*
51: * Label window w on f,
52: * at 1 line above w and 'where' columns from it's left edge.
53: * Gross, but it works.
54: */
55: wwlabel(w, f, where, l, mode)
56: struct ww *w;
57: struct ww *f;
58: char *l;
59: {
60: int row;
61: register j;
62: int jj;
63: register char *win;
64: register union ww_char *buf;
65: register union ww_char *ns;
66: register char *fmap;
1.2 ! niklas 67: register unsigned char *smap;
1.1 deraadt 68: char touched;
69: char *p;
70:
71: if (f->ww_fmap == 0)
72: return;
73:
74: row = w->ww_w.t - 1;
75: if (row < f->ww_i.t || row >= f->ww_i.b)
76: return;
77: win = f->ww_win[row];
78: buf = f->ww_buf[row];
79: fmap = f->ww_fmap[row];
80: ns = wwns[row];
81: smap = wwsmap[row];
82: touched = wwtouched[row];
83: mode <<= WWC_MSHIFT;
84:
85: jj = MIN(w->ww_i.r, f->ww_i.r);
86: j = w->ww_i.l + where;
87: while (j < jj && *l)
88: for (p = unctrl(*l++); j < jj && *p; j++, p++) {
89: /* can't label if not already framed */
90: if (win[j] & WWM_GLS)
91: continue;
92: if (smap[j] != f->ww_index)
93: buf[j].c_w = mode | *p;
94: else {
95: ns[j].c_w = (buf[j].c_w = mode | *p)
96: ^ win[j] << WWC_MSHIFT;
97: touched |= WWU_TOUCHED;
98: }
99: fmap[j] |= WWF_LABEL;
100: }
101: wwtouched[row] = touched;
102: }