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/*
* 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[] = "@(#)cmd5.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include "defs.h"
/*
* Window movement.
*/
c_move(w)
register struct ww *w;
{
int col, row;
int mincol, minrow;
int maxcol, maxrow;
int curcol, currow;
if (!terse)
wwputs("New window position: ", cmdwin);
col = w->ww_w.l;
row = w->ww_w.t;
wwadd(boxwin, framewin->ww_back);
for (;;) {
wwbox(boxwin, row - 1, col - 1, w->ww_w.nr + 2, w->ww_w.nc + 2);
getminmax(row, w->ww_w.nr, 1, wwnrow,
&currow, &minrow, &maxrow);
getminmax(col, w->ww_w.nc, 0, wwncol,
&curcol, &mincol, &maxcol);
wwsetcursor(currow, curcol);
while (wwpeekc() < 0)
wwiomux();
switch (getpos(&row, &col, minrow, mincol, maxrow, maxcol)) {
case 3:
wwunbox(boxwin);
wwdelete(boxwin);
return;
case 2:
wwunbox(boxwin);
break;
case 1:
wwunbox(boxwin);
case 0:
continue;
}
break;
}
wwdelete(boxwin);
if (!terse)
wwputc('\n', cmdwin);
wwcurtowin(cmdwin);
movewin(w, row, col);
}
movewin(w, row, col)
register struct ww *w;
{
struct ww *back = w->ww_back;
w->ww_alt.t = w->ww_w.t;
w->ww_alt.l = w->ww_w.l;
wwdelete(w);
wwmove(w, row, col);
wwadd(w, back);
reframe();
}
/*
* Weird stufff, don't ask.
*/
getminmax(x, n, a, b, curx, minx, maxx)
register x, n, a, b;
int *curx, *minx, *maxx;
{
if (x < 0)
*curx = x + n - 1;
else
*curx = x;
if (x <= a)
*minx = 1 - n;
else if (x <= b - n)
*minx = a;
else
*minx = b - n;
if (x >= b - n)
*maxx = b - 1;
else if (x >= a)
*maxx = b - n;
else
*maxx = a;
}
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