static char sccsid
[] = "@(#)wwsize.c 3.3 %G%";
* Copyright (c) 1983 Regents of the University of California,
* All rights reserved. Redistribution permitted subject to
* the terms of the Berkeley Software License Agreement.
* Resize a window. Should be unattached.
* First allocate new buffers.
win
= wwalloc(w
->ww_w
.t
, w
->ww_w
.l
, nrow
, ncol
, sizeof (char));
fmap
= wwalloc(w
->ww_w
.t
, w
->ww_w
.l
, nrow
, ncol
, sizeof (char));
if (nrow
> w
->ww_b
.nr
|| ncol
> w
->ww_b
.nc
) {
nline
= MAX(w
->ww_b
.nr
, nrow
);
buf
= (union ww_char
**) wwalloc(w
->ww_b
.t
, w
->ww_b
.l
,
nline
, ncol
, sizeof (union ww_char
));
nvis
= (short *)malloc((unsigned) nrow
* sizeof (short));
for (i
= w
->ww_b
.t
; i
< w
->ww_b
.b
; i
++)
for (j
= w
->ww_b
.l
; j
< r
; j
++)
buf
[i
][j
] = w
->ww_buf
[i
][j
];
for (i
= w
->ww_b
.t
; i
< w
->ww_b
.b
; i
++) {
for (j
= w
->ww_b
.l
; j
< w
->ww_b
.r
; j
++)
buf
[i
][j
] = w
->ww_buf
[i
][j
];
for (j
= w
->ww_b
.l
; j
< r
; j
++)
* Now free the old stuff.
wwfree((char **)w
->ww_win
, w
->ww_w
.t
);
wwfree((char **)w
->ww_buf
, w
->ww_b
.t
);
wwfree((char **)w
->ww_fmap
, w
->ww_w
.t
);
free((char *)(w
->ww_nvis
+ w
->ww_w
.t
));
w
->ww_w
.b
= w
->ww_w
.t
+ nrow
;
w
->ww_w
.r
= w
->ww_w
.l
+ ncol
;
w
->ww_b
.b
= w
->ww_b
.t
+ nline
;
w
->ww_b
.r
= w
->ww_b
.l
+ ncol
;
if ((i
= w
->ww_b
.b
- w
->ww_w
.b
) < 0 ||
(i
= w
->ww_cur
.r
- w
->ww_w
.b
+ 1) > 0) {
w
->ww_i
.b
= MIN(w
->ww_w
.b
, wwnrow
);
w
->ww_i
.r
= MIN(w
->ww_w
.r
, wwncol
);
w
->ww_i
.nr
= w
->ww_i
.b
- w
->ww_i
.t
;
w
->ww_i
.nc
= w
->ww_i
.r
- w
->ww_i
.l
;
* Initialize new buffers.
if (w
->ww_oflags
& WWO_GLASS
)
if (w
->ww_oflags
& WWO_REVERSE
)
for (i
= w
->ww_w
.t
; i
< w
->ww_w
.b
; i
++)
for (j
= w
->ww_w
.l
; j
< w
->ww_w
.r
; j
++)
for (i
= w
->ww_w
.t
; i
< w
->ww_w
.b
; i
++)
for (j
= w
->ww_w
.l
; j
< w
->ww_w
.r
; j
++)
for (i
= w
->ww_w
.t
; i
< w
->ww_w
.b
; i
++)
if (w
->ww_ispty
&& w
->ww_pty
>= 0) {
winsize
.ws_xpixel
= winsize
.ws_ypixel
= 0;
(void) ioctl(w
->ww_pty
, (int)TIOCSWINSZ
, (char *)&winsize
);
wwfree((char **)buf
, w
->ww_b
.t
);
free((char *)(nvis
+ w
->ww_w
.t
));