1*86d7f5d3SJohn Marino /* @(#)wwlabel.c 8.1 (Berkeley) 6/6/93 */
2*86d7f5d3SJohn Marino /* $NetBSD: wwlabel.c,v 1.8 2009/04/14 08:50:06 lukem Exp $ */
3*86d7f5d3SJohn Marino
4*86d7f5d3SJohn Marino /*
5*86d7f5d3SJohn Marino * Copyright (c) 1983, 1993
6*86d7f5d3SJohn Marino * The Regents of the University of California. All rights reserved.
7*86d7f5d3SJohn Marino *
8*86d7f5d3SJohn Marino * This code is derived from software contributed to Berkeley by
9*86d7f5d3SJohn Marino * Edward Wang at The University of California, Berkeley.
10*86d7f5d3SJohn Marino *
11*86d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without
12*86d7f5d3SJohn Marino * modification, are permitted provided that the following conditions
13*86d7f5d3SJohn Marino * are met:
14*86d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright
15*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer.
16*86d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright
17*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the
18*86d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution.
19*86d7f5d3SJohn Marino * 3. Neither the name of the University nor the names of its contributors
20*86d7f5d3SJohn Marino * may be used to endorse or promote products derived from this software
21*86d7f5d3SJohn Marino * without specific prior written permission.
22*86d7f5d3SJohn Marino *
23*86d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24*86d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*86d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*86d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27*86d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*86d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*86d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*86d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*86d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*86d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*86d7f5d3SJohn Marino * SUCH DAMAGE.
34*86d7f5d3SJohn Marino */
35*86d7f5d3SJohn Marino
36*86d7f5d3SJohn Marino #include "ww.h"
37*86d7f5d3SJohn Marino #include "char.h"
38*86d7f5d3SJohn Marino
39*86d7f5d3SJohn Marino /*
40*86d7f5d3SJohn Marino * Label window w on f,
41*86d7f5d3SJohn Marino * at 1 line above w and 'where' columns from it's left edge.
42*86d7f5d3SJohn Marino * Gross, but it works.
43*86d7f5d3SJohn Marino */
44*86d7f5d3SJohn Marino void
wwlabel(struct ww * w,struct ww * f,int where,char * l,int mode)45*86d7f5d3SJohn Marino wwlabel(struct ww *w, struct ww *f, int where, char *l, int mode)
46*86d7f5d3SJohn Marino {
47*86d7f5d3SJohn Marino int row;
48*86d7f5d3SJohn Marino int j;
49*86d7f5d3SJohn Marino int jj;
50*86d7f5d3SJohn Marino char *win;
51*86d7f5d3SJohn Marino union ww_char *buf;
52*86d7f5d3SJohn Marino union ww_char *ns;
53*86d7f5d3SJohn Marino char *fmap;
54*86d7f5d3SJohn Marino unsigned char *smap;
55*86d7f5d3SJohn Marino char touched;
56*86d7f5d3SJohn Marino const char *p;
57*86d7f5d3SJohn Marino
58*86d7f5d3SJohn Marino if (f->ww_fmap == 0)
59*86d7f5d3SJohn Marino return;
60*86d7f5d3SJohn Marino
61*86d7f5d3SJohn Marino row = w->ww_w.t - 1;
62*86d7f5d3SJohn Marino if (row < f->ww_i.t || row >= f->ww_i.b)
63*86d7f5d3SJohn Marino return;
64*86d7f5d3SJohn Marino win = f->ww_win[row];
65*86d7f5d3SJohn Marino buf = f->ww_buf[row];
66*86d7f5d3SJohn Marino fmap = f->ww_fmap[row];
67*86d7f5d3SJohn Marino ns = wwns[row];
68*86d7f5d3SJohn Marino smap = wwsmap[row];
69*86d7f5d3SJohn Marino touched = wwtouched[row];
70*86d7f5d3SJohn Marino mode <<= WWC_MSHIFT;
71*86d7f5d3SJohn Marino
72*86d7f5d3SJohn Marino jj = MIN(w->ww_i.r, f->ww_i.r);
73*86d7f5d3SJohn Marino j = w->ww_i.l + where;
74*86d7f5d3SJohn Marino while (j < jj && *l)
75*86d7f5d3SJohn Marino for (p = unctrl(*l++); j < jj && *p; j++, p++) {
76*86d7f5d3SJohn Marino /* can't label if not already framed */
77*86d7f5d3SJohn Marino if (win[j] & WWM_GLS)
78*86d7f5d3SJohn Marino continue;
79*86d7f5d3SJohn Marino if (smap[j] != f->ww_index)
80*86d7f5d3SJohn Marino buf[j].c_w = mode | *p;
81*86d7f5d3SJohn Marino else {
82*86d7f5d3SJohn Marino ns[j].c_w = (buf[j].c_w = mode | *p)
83*86d7f5d3SJohn Marino ^ win[j] << WWC_MSHIFT;
84*86d7f5d3SJohn Marino touched |= WWU_TOUCHED;
85*86d7f5d3SJohn Marino }
86*86d7f5d3SJohn Marino fmap[j] |= WWF_LABEL;
87*86d7f5d3SJohn Marino }
88*86d7f5d3SJohn Marino wwtouched[row] = touched;
89*86d7f5d3SJohn Marino }
90