scroll.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright 2001 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#ifndef lint
static char
sccsid[] = "@(#)scroll.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
#endif /* not lint */
#include "curses.ext"
/*
* This routine scrolls the window up a line.
*/
int
scroll(WINDOW *win)
{
int oy, ox;
#ifdef DEBUG
fprintf(outf, "SCROLL(%0.2o)\n", win);
#endif
if (!win->_scroll)
return (ERR);
getyx(win, oy, ox);
(void) wmove(win, 0, 0);
(void) wdeleteln(win);
(void) wmove(win, oy, ox);
if (win == curscr) {
(void) _putchar('\n');
if (!NONL)
win->_curx = 0;
#ifdef DEBUG
fprintf(outf, "SCROLL: win == curscr\n");
#endif
}
return (OK);
}