1 /* $NetBSD: delch.c,v 1.22 2009/07/22 16:57:14 roy Exp $ */
4 * Copyright (c) 1981, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
35 static char sccsid
[] = "@(#)delch.c 8.2 (Berkeley) 5/4/94";
37 __RCSID("$NetBSD: delch.c,v 1.22 2009/07/22 16:57:14 roy Exp $");
45 #include "curses_private.h"
47 #ifndef _CURSES_USE_MACROS
50 * Do a delete-char on the line, leaving (cury, curx) unchanged.
55 return wdelch(stdscr
);
60 * Do a delete-char on the line at (y, x) on stdscr.
65 return mvwdelch(stdscr
, y
, x
);
70 * Do a delete-char on the line at (y, x) of the given window.
73 mvwdelch(WINDOW
*win
, int y
, int x
)
75 if (wmove(win
, y
, x
) == ERR
)
85 * Do a delete-char on the line, leaving (cury, curx) unchanged.
90 __LDATA
*end
, *temp1
, *temp2
;
93 end
= &win
->alines
[win
->cury
]->line
[win
->maxx
- 1];
94 temp1
= &win
->alines
[win
->cury
]->line
[win
->curx
];
97 (void) memcpy(temp1
, temp2
, sizeof(__LDATA
));
100 temp1
->ch
= win
->bch
;
101 if (__using_color
&& win
!= curscr
)
102 temp1
->attr
= win
->battr
& __COLOR
;
105 __touchline(win
, (int) win
->cury
, (int) win
->curx
, (int) win
->maxx
- 1);
111 end
= &win
->alines
[win
->cury
]->line
[win
->maxx
- 1];
113 temp1
= &win
->alines
[win
->cury
]->line
[win
->curx
];
129 if ( sx
+ cw
< win
->maxx
) {
131 while ( temp1
< end
- ( cw
- 1 )) {
132 ( void )memcpy( temp1
, temp2
, sizeof( __LDATA
));
136 while ( temp1
<= end
) {
137 temp1
->ch
= ( wchar_t )btowc(( int ) win
->bch
);
139 if (_cursesi_copy_nsp(win
->bnsp
, temp1
) == ERR
)
144 __touchline(win
, (int) win
->cury
, sx
, (int) win
->maxx
- 1);
146 #endif /* HAVE_WCHAR */