[dragonfly.git] / usr.bin / window / wwlabel.c

/*	@(#)wwlabel.c	8.1 (Berkeley) 6/6/93	*/
/*	$NetBSD: wwlabel.c,v 1.8 2009/04/14 08:50:06 lukem Exp $	*/

/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Edward Wang at The University of California, Berkeley.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "ww.h"
#include "char.h"

/*
 * Label window w on f,
 * at 1 line above w and 'where' columns from it's left edge.
 * Gross, but it works.
 */
void
wwlabel(struct ww *w, struct ww *f, int where, char *l, int mode)
{
	int row;
	int j;
	int jj;
	char *win;
	union ww_char *buf;
	union ww_char *ns;
	char *fmap;
	unsigned char *smap;
	char touched;
	const char *p;

	if (f->ww_fmap == 0)
		return;

	row = w->ww_w.t - 1;
	if (row < f->ww_i.t || row >= f->ww_i.b)
		return;
	win = f->ww_win[row];
	buf = f->ww_buf[row];
	fmap = f->ww_fmap[row];
	ns = wwns[row];
	smap = wwsmap[row];
	touched = wwtouched[row];
	mode <<= WWC_MSHIFT;

	jj = MIN(w->ww_i.r, f->ww_i.r);
	j = w->ww_i.l + where;
	while (j < jj && *l)
		for (p = unctrl(*l++); j < jj && *p; j++, p++) {
			/* can't label if not already framed */
			if (win[j] & WWM_GLS)
				continue;
			if (smap[j] != f->ww_index)
				buf[j].c_w = mode | *p;
			else {
				ns[j].c_w = (buf[j].c_w = mode | *p)
						^ win[j] << WWC_MSHIFT;
				touched |= WWU_TOUCHED;
			}
			fmap[j] |= WWF_LABEL;
		}
	wwtouched[row] = touched;
}
Commit	Line	Data
2c872e05	1	/* @(#)wwlabel.c 8.1 (Berkeley) 6/6/93 */
abecab39 SW	2	/* $NetBSD: wwlabel.c,v 1.8 2009/04/14 08:50:06 lukem Exp $ */
abecab39 SW	3
984263bc MD	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.
abecab39	19	* 3. Neither the name of the University nor the names of its contributors
984263bc MD	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
984263bc MD	36	#include "ww.h"
	37	#include "char.h"
	38
	39	/*
	40	* Label window w on f,
	41	* at 1 line above w and 'where' columns from it's left edge.
	42	* Gross, but it works.
	43	*/
abecab39 SW	44	void
abecab39 SW	45	wwlabel(struct ww w, struct ww f, int where, char *l, int mode)
984263bc MD	46	{
984263bc MD	47	int row;
abecab39	48	int j;
984263bc	49	int jj;
abecab39 SW	50	char *win;
	51	union ww_char *buf;
	52	union ww_char *ns;
	53	char *fmap;
	54	unsigned char *smap;
984263bc	55	char touched;
abecab39	56	const char *p;
984263bc MD	57
	58	if (f->ww_fmap == 0)
	59	return;
	60
	61	row = w->ww_w.t - 1;
	62	if (row < f->ww_i.t \|\| row >= f->ww_i.b)
	63	return;
	64	win = f->ww_win[row];
	65	buf = f->ww_buf[row];
	66	fmap = f->ww_fmap[row];
	67	ns = wwns[row];
	68	smap = wwsmap[row];
	69	touched = wwtouched[row];
	70	mode <<= WWC_MSHIFT;
	71
	72	jj = MIN(w->ww_i.r, f->ww_i.r);
	73	j = w->ww_i.l + where;
abecab39 SW	74	while (j < jj && *l)
abecab39 SW	75	for (p = unctrl(l++); j < jj && p; j++, p++) {
984263bc MD	76	/* can't label if not already framed */
	77	if (win[j] & WWM_GLS)
	78	continue;
	79	if (smap[j] != f->ww_index)
	80	buf[j].c_w = mode \| *p;
	81	else {
	82	ns[j].c_w = (buf[j].c_w = mode \| *p)
	83	^ win[j] << WWC_MSHIFT;
	84	touched \|= WWU_TOUCHED;
	85	}
	86	fmap[j] \|= WWF_LABEL;
	87	}
984263bc MD	88	wwtouched[row] = touched;
984263bc MD	89	}