mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-14 10:09:48 +00:00
93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/*
|
|
* 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
|
|
static char sccsid[] = "@(#)wwcursor.c 8.1 (Berkeley) 6/6/93";
|
|
#endif /* not lint */
|
|
|
|
#include "ww.h"
|
|
|
|
wwcursor(w, on)
|
|
register struct ww *w;
|
|
{
|
|
register char *win;
|
|
|
|
if (on) {
|
|
if (w->ww_hascursor)
|
|
return;
|
|
w->ww_hascursor = 1;
|
|
} else {
|
|
if (!w->ww_hascursor)
|
|
return;
|
|
w->ww_hascursor = 0;
|
|
}
|
|
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 && (w = wwindex[i])->ww_hascursor) {
|
|
wwcursor(w, 0);
|
|
wwcursormodes = new;
|
|
wwcursor(w, 1);
|
|
wwcursormodes = old;
|
|
}
|
|
wwcursormodes = new;
|
|
}
|