freebsd-skq/usr.bin/window/cmd1.c

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1994-05-27 12:33:43 +00:00
/*
* 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[] = "@(#)cmd1.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include "defs.h"
#include "char.h"
c_window()
{
int col, row, xcol, xrow;
int id;
if ((id = findid()) < 0)
return;
if (!terse)
wwputs("New window (upper left corner): ", cmdwin);
col = 0;
row = 1;
wwadd(boxwin, framewin->ww_back);
for (;;) {
wwbox(boxwin, row - 1, col - 1, 3, 3);
wwsetcursor(row, col);
while (wwpeekc() < 0)
wwiomux();
switch (getpos(&row, &col, row > 1, 0,
wwnrow - 1, wwncol - 1)) {
case 3:
wwunbox(boxwin);
wwdelete(boxwin);
return;
case 2:
wwunbox(boxwin);
break;
case 1:
wwunbox(boxwin);
case 0:
continue;
}
break;
}
if (!terse)
wwputs("\nNew window (lower right corner): ", cmdwin);
xcol = col;
xrow = row;
for (;;) {
wwbox(boxwin, row - 1, col - 1,
xrow - row + 3, xcol - col + 3);
wwsetcursor(xrow, xcol);
while (wwpeekc() < 0)
wwiomux();
switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
{
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);
(void) openwin(id, row, col, xrow-row+1, xcol-col+1, default_nline,
(char *) 0, 1, 1, default_shellfile, default_shell);
}
getpos(row, col, minrow, mincol, maxrow, maxcol)
register int *row, *col;
int minrow, mincol;
int maxrow, maxcol;
{
static int scount;
int count;
int c;
1994-05-27 12:33:43 +00:00
int oldrow = *row, oldcol = *col;
while ((c = wwgetc()) >= 0) {
switch (c) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
scount = scount * 10 + c - '0';
continue;
}
count = scount ? scount : 1;
scount = 0;
switch (c) {
case 'h':
if ((*col -= count) < mincol)
*col = mincol;
break;
case 'H':
*col = mincol;
break;
case 'l':
if ((*col += count) > maxcol)
*col = maxcol;
break;
case 'L':
*col = maxcol;
break;
case 'j':
if ((*row += count) > maxrow)
*row = maxrow;
break;
case 'J':
*row = maxrow;
break;
case 'k':
if ((*row -= count) < minrow)
*row = minrow;
break;
case 'K':
*row = minrow;
break;
case ctrl('['):
if (!terse)
wwputs("\nCancelled. ", cmdwin);
return 3;
case '\r':
return 2;
default:
if (!terse)
wwputs("\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
wwbell();
}
}
return oldrow != *row || oldcol != *col;
}