1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Edward Wang at The University of California, Berkeley. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)wwlabel.c 8.1 (Berkeley) 6/6/93 37 * $FreeBSD: src/usr.bin/window/wwlabel.c,v 1.3.14.1 2001/05/17 09:45:01 obrien Exp $ 38 * $DragonFly: src/usr.bin/window/wwlabel.c,v 1.2 2003/06/17 04:29:34 dillon Exp $ 39 */ 40 41 #include "ww.h" 42 #include "char.h" 43 44 /* 45 * Label window w on f, 46 * at 1 line above w and 'where' columns from it's left edge. 47 * Gross, but it works. 48 */ 49 wwlabel(w, f, where, l, mode) 50 struct ww *w; 51 struct ww *f; 52 char *l; 53 { 54 int row; 55 register j; 56 int jj; 57 register char *win; 58 register union ww_char *buf; 59 register union ww_char *ns; 60 register char *fmap; 61 register char *smap; 62 char touched; 63 unsigned char *p; 64 static unsigned char cbuf[2]; 65 66 if (f->ww_fmap == 0) 67 return; 68 69 row = w->ww_w.t - 1; 70 if (row < f->ww_i.t || row >= f->ww_i.b) 71 return; 72 win = f->ww_win[row]; 73 buf = f->ww_buf[row]; 74 fmap = f->ww_fmap[row]; 75 ns = wwns[row]; 76 smap = wwsmap[row]; 77 touched = wwtouched[row]; 78 mode <<= WWC_MSHIFT; 79 80 jj = MIN(w->ww_i.r, f->ww_i.r); 81 j = w->ww_i.l + where; 82 while (j < jj && *l) { 83 if (isctrl(*l)) 84 p = unctrl(*l); 85 else { 86 cbuf[0] = *l; 87 p = cbuf; 88 } 89 for (l++; j < jj && *p; j++, p++) { 90 /* can't label if not already framed */ 91 if (win[j] & WWM_GLS) 92 continue; 93 if (smap[j] != f->ww_index) 94 buf[j].c_w = mode | *p; 95 else { 96 ns[j].c_w = (buf[j].c_w = mode | *p) 97 ^ win[j] << WWC_MSHIFT; 98 touched |= WWU_TOUCHED; 99 } 100 fmap[j] |= WWF_LABEL; 101 } 102 } 103 wwtouched[row] = touched; 104 } 105