Annotation of src/usr.bin/window/wwlabel.c, Revision 1.6
1.6 ! millert 1: /* $OpenBSD: wwlabel.c,v 1.5 2001/11/19 19:02:18 mpech Exp $ */
1.2 niklas 2: /* $NetBSD: wwlabel.c,v 1.4 1996/02/08 21:49:11 mycroft Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Edward Wang at The University of California, Berkeley.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
1.6 ! millert 19: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: #if 0
38: static char sccsid[] = "@(#)wwlabel.c 8.1 (Berkeley) 6/6/93";
39: #else
1.6 ! millert 40: static char rcsid[] = "$OpenBSD: wwlabel.c,v 1.5 2001/11/19 19:02:18 mpech Exp $";
1.1 deraadt 41: #endif
42: #endif /* not lint */
43:
44: #include "ww.h"
45: #include "char.h"
46:
47: /*
48: * Label window w on f,
49: * at 1 line above w and 'where' columns from it's left edge.
50: * Gross, but it works.
51: */
52: wwlabel(w, f, where, l, mode)
53: struct ww *w;
54: struct ww *f;
55: char *l;
56: {
57: int row;
1.5 mpech 58: int j;
1.1 deraadt 59: int jj;
1.5 mpech 60: char *win;
61: union ww_char *buf;
62: union ww_char *ns;
63: char *fmap;
64: unsigned char *smap;
1.1 deraadt 65: char touched;
66: char *p;
67:
68: if (f->ww_fmap == 0)
69: return;
70:
71: row = w->ww_w.t - 1;
72: if (row < f->ww_i.t || row >= f->ww_i.b)
73: return;
74: win = f->ww_win[row];
75: buf = f->ww_buf[row];
76: fmap = f->ww_fmap[row];
77: ns = wwns[row];
78: smap = wwsmap[row];
79: touched = wwtouched[row];
80: mode <<= WWC_MSHIFT;
81:
82: jj = MIN(w->ww_i.r, f->ww_i.r);
83: j = w->ww_i.l + where;
84: while (j < jj && *l)
85: for (p = unctrl(*l++); j < jj && *p; j++, p++) {
86: /* can't label if not already framed */
87: if (win[j] & WWM_GLS)
88: continue;
89: if (smap[j] != f->ww_index)
90: buf[j].c_w = mode | *p;
91: else {
92: ns[j].c_w = (buf[j].c_w = mode | *p)
93: ^ win[j] << WWC_MSHIFT;
94: touched |= WWU_TOUCHED;
95: }
96: fmap[j] |= WWF_LABEL;
97: }
98: wwtouched[row] = touched;
99: }