xref: /dflybsd-src/usr.bin/window/wwmisc.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
186d7f5d3SJohn Marino /*	@(#)wwmisc.c	8.1 (Berkeley) 6/6/93	*/
286d7f5d3SJohn Marino /*	$NetBSD: wwmisc.c,v 1.7 2003/08/07 11:17:41 agc Exp $	*/
386d7f5d3SJohn Marino 
486d7f5d3SJohn Marino /*
586d7f5d3SJohn Marino  * Copyright (c) 1983, 1993
686d7f5d3SJohn Marino  *	The Regents of the University of California.  All rights reserved.
786d7f5d3SJohn Marino  *
886d7f5d3SJohn Marino  * This code is derived from software contributed to Berkeley by
986d7f5d3SJohn Marino  * Edward Wang at The University of California, Berkeley.
1086d7f5d3SJohn Marino  *
1186d7f5d3SJohn Marino  * Redistribution and use in source and binary forms, with or without
1286d7f5d3SJohn Marino  * modification, are permitted provided that the following conditions
1386d7f5d3SJohn Marino  * are met:
1486d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the above copyright
1586d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer.
1686d7f5d3SJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
1786d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer in the
1886d7f5d3SJohn Marino  *    documentation and/or other materials provided with the distribution.
1986d7f5d3SJohn Marino  * 3. Neither the name of the University nor the names of its contributors
2086d7f5d3SJohn Marino  *    may be used to endorse or promote products derived from this software
2186d7f5d3SJohn Marino  *    without specific prior written permission.
2286d7f5d3SJohn Marino  *
2386d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2486d7f5d3SJohn Marino  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2586d7f5d3SJohn Marino  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2686d7f5d3SJohn Marino  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2786d7f5d3SJohn Marino  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2886d7f5d3SJohn Marino  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2986d7f5d3SJohn Marino  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3086d7f5d3SJohn Marino  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3186d7f5d3SJohn Marino  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3286d7f5d3SJohn Marino  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3386d7f5d3SJohn Marino  * SUCH DAMAGE.
3486d7f5d3SJohn Marino  */
3586d7f5d3SJohn Marino 
3686d7f5d3SJohn Marino #include "ww.h"
3786d7f5d3SJohn Marino #include "tt.h"
3886d7f5d3SJohn Marino #include "char.h"
3986d7f5d3SJohn Marino 
4086d7f5d3SJohn Marino /*
4186d7f5d3SJohn Marino  * Sufficient but not necessary test for total visibility.
4286d7f5d3SJohn Marino  */
4386d7f5d3SJohn Marino int
wwvisible(struct ww * w)4486d7f5d3SJohn Marino wwvisible(struct ww *w)
4586d7f5d3SJohn Marino {
4686d7f5d3SJohn Marino 	int i;
4786d7f5d3SJohn Marino 	int nvis = 0;
4886d7f5d3SJohn Marino 
4986d7f5d3SJohn Marino 	for (i = w->ww_i.t; i < w->ww_i.b; i++)
5086d7f5d3SJohn Marino 		nvis += w->ww_nvis[i];
5186d7f5d3SJohn Marino 	if (ISSET(w->ww_wflags, WWW_HASCURSOR)
5286d7f5d3SJohn Marino 	    && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
5386d7f5d3SJohn Marino 	    && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
5486d7f5d3SJohn Marino 	    && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
5586d7f5d3SJohn Marino 		nvis++;
5686d7f5d3SJohn Marino 	return nvis == w->ww_i.nr * w->ww_i.nc;
5786d7f5d3SJohn Marino }
5886d7f5d3SJohn Marino 
5986d7f5d3SJohn Marino void
wwbell(void)6086d7f5d3SJohn Marino wwbell(void)
6186d7f5d3SJohn Marino {
6286d7f5d3SJohn Marino 	ttputc(ctrl('g'));
6386d7f5d3SJohn Marino }
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