/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1995-1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* LINTLIBRARY */
/*
* wscrl.c
*
* XCurses Library
*
* Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
*
*/
#ifdef M_RCSID
#ifndef lint
static char rcsID[] =
"$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
"cbates Exp $";
#endif
#endif
#include <private.h>
#include <string.h>
/*
* For positive n scroll the window up n lines (line i+n becomes i);
* otherwise scroll the window down n lines.
*/
int
{
if (!(w->_flags & W_CAN_SCROLL))
return (ERR);
if (n == 0)
return (OK);
if (w->_parent) {
/* Sub-window should not shuffle pointers (parent owns them) */
int row;
int first;
if (n > 0) {
/*
* Tail end of
* a multi-col-char
*/
(void) __m_cc_erase(w, row + n,
0, row + n, 0);
}
/*
* Erase trailing multi-col-chars
* where they hang into parent window
*/
w->_maxx - 1);
(void) __m_cc_erase(w, row + n,
} else {
(void) __m_cc_erase(w, row, 0,
break;
}
}
} else {
abort();
}
} else {
/*
* Shuffle pointers in order to scroll. The region
* from start to finish inclusive will be moved to
* either the top or bottom of _line[].
*/
if (0 < n) {
} else {
}
/* Blank out new lines. */
/* Scroll lines by shuffling pointers. */
}
if ((w->_flags & W_FULL_WINDOW) &&
w->_scroll += (short) n;
else
w->_scroll = 0;
wtouchln_hard(w, 0, w->_maxy);
#ifdef BREAKS_fimmedok_fimmedok1_2
#endif /* BREAKS_fimmedok_fimmedok1_2 */
WSYNC(w);
return (WFLUSH(w));
}