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/* $NetBSD: wwcursor.c,v 1.4 1996/02/08 20:45:08 mycroft 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)wwcursor.c 8.1 (Berkeley) 6/6/93";
#else
static char rcsid[] = "$NetBSD: wwcursor.c,v 1.4 1996/02/08 20:45:08 mycroft Exp $";
#endif
#endif /* not lint */
#include "ww.h"
wwcursor(w, on)
register struct ww *w;
{
register char *win;
if (on) {
if (ISSET(w->ww_wflags, WWW_HASCURSOR))
return;
SET(w->ww_wflags, WWW_HASCURSOR);
} else {
if (!ISSET(w->ww_wflags, WWW_HASCURSOR))
return;
CLR(w->ww_wflags, WWW_HASCURSOR);
}
if (wwcursormodes != 0) {
win = &w->ww_win[w->ww_cur.r][w->ww_cur.c];
*win ^= wwcursormodes;
if (w->ww_cur.r < w->ww_i.t || w->ww_cur.r >= w->ww_i.b
|| w->ww_cur.c < w->ww_i.l || w->ww_cur.c >= w->ww_i.r)
return;
if (wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) {
if (*win == 0)
w->ww_nvis[w->ww_cur.r]++;
else if (*win == wwcursormodes)
w->ww_nvis[w->ww_cur.r]--;
wwns[w->ww_cur.r][w->ww_cur.c].c_m ^= wwcursormodes;
wwtouched[w->ww_cur.r] |= WWU_TOUCHED;
}
}
}
wwsetcursormodes(new)
register new;
{
register i;
register struct ww *w;
register old = wwcursormodes;
new &= wwavailmodes;
if (new == wwcursormodes)
return;
for (i = 0; i < NWW; i++)
if (wwindex[i] != 0 &&
ISSET((w = wwindex[i])->ww_wflags, WWW_HASCURSOR)) {
wwcursor(w, 0);
wwcursormodes = new;
wwcursor(w, 1);
wwcursormodes = old;
}
wwcursormodes = new;
}
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