mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
101 lines
3.2 KiB
C
101 lines
3.2 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[] = "@(#)wwmove.c 8.1 (Berkeley) 6/6/93";
|
|
static char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include "ww.h"
|
|
|
|
/*
|
|
* Move a window. Should be unattached.
|
|
*/
|
|
wwmove(w, row, col)
|
|
register struct ww *w;
|
|
{
|
|
register dr, dc;
|
|
register i;
|
|
|
|
dr = row - w->ww_w.t;
|
|
dc = col - w->ww_w.l;
|
|
|
|
w->ww_w.t += dr;
|
|
w->ww_w.b += dr;
|
|
w->ww_w.l += dc;
|
|
w->ww_w.r += dc;
|
|
|
|
w->ww_b.t += dr;
|
|
w->ww_b.b += dr;
|
|
w->ww_b.l += dc;
|
|
w->ww_b.r += dc;
|
|
|
|
w->ww_i.t = MAX(w->ww_w.t, 0);
|
|
w->ww_i.b = MIN(w->ww_w.b, wwnrow);
|
|
w->ww_i.nr = w->ww_i.b - w->ww_i.t;
|
|
w->ww_i.l = MAX(w->ww_w.l, 0);
|
|
w->ww_i.r = MIN(w->ww_w.r, wwncol);
|
|
w->ww_i.nc = w->ww_i.r - w->ww_i.l;
|
|
|
|
w->ww_cur.r += dr;
|
|
w->ww_cur.c += dc;
|
|
|
|
w->ww_win -= dr;
|
|
for (i = w->ww_w.t; i < w->ww_w.b; i++)
|
|
w->ww_win[i] -= dc;
|
|
if (w->ww_fmap != 0) {
|
|
w->ww_fmap -= dr;
|
|
for (i = w->ww_w.t; i < w->ww_w.b; i++)
|
|
w->ww_fmap[i] -= dc;
|
|
}
|
|
w->ww_nvis -= dr;
|
|
for (i = w->ww_i.t; i < w->ww_i.b; i++) {
|
|
register j = w->ww_i.l;
|
|
register char *win = &w->ww_win[i][j];
|
|
register char *smap = &wwsmap[i][j];
|
|
int nvis = 0;
|
|
|
|
for (; j < w->ww_i.r; j++, win++, smap++)
|
|
if (*win == 0 && *smap == w->ww_index)
|
|
nvis++;
|
|
w->ww_nvis[i] = nvis;
|
|
}
|
|
w->ww_buf -= dr;
|
|
for (i = w->ww_b.t; i < w->ww_b.b; i++)
|
|
w->ww_buf[i] -= dc;
|
|
}
|