1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * Copyright 2001 Sun Microsystems, Inc. All rights reserved.
3*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
4*7c478bd9Sstevel@tonic-gate */
5*7c478bd9Sstevel@tonic-gate
6*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
7*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
8*7c478bd9Sstevel@tonic-gate
9*7c478bd9Sstevel@tonic-gate /*
10*7c478bd9Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California.
11*7c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement
12*7c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution.
13*7c478bd9Sstevel@tonic-gate */
14*7c478bd9Sstevel@tonic-gate
15*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
16*7c478bd9Sstevel@tonic-gate
17*7c478bd9Sstevel@tonic-gate #ifndef lint
18*7c478bd9Sstevel@tonic-gate static char
19*7c478bd9Sstevel@tonic-gate sccsid[] = "@(#)scroll.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
20*7c478bd9Sstevel@tonic-gate #endif /* not lint */
21*7c478bd9Sstevel@tonic-gate
22*7c478bd9Sstevel@tonic-gate #include "curses.ext"
23*7c478bd9Sstevel@tonic-gate
24*7c478bd9Sstevel@tonic-gate /*
25*7c478bd9Sstevel@tonic-gate * This routine scrolls the window up a line.
26*7c478bd9Sstevel@tonic-gate */
27*7c478bd9Sstevel@tonic-gate
28*7c478bd9Sstevel@tonic-gate int
scroll(WINDOW * win)29*7c478bd9Sstevel@tonic-gate scroll(WINDOW *win)
30*7c478bd9Sstevel@tonic-gate {
31*7c478bd9Sstevel@tonic-gate int oy, ox;
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate #ifdef DEBUG
34*7c478bd9Sstevel@tonic-gate fprintf(outf, "SCROLL(%0.2o)\n", win);
35*7c478bd9Sstevel@tonic-gate #endif
36*7c478bd9Sstevel@tonic-gate
37*7c478bd9Sstevel@tonic-gate if (!win->_scroll)
38*7c478bd9Sstevel@tonic-gate return (ERR);
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate getyx(win, oy, ox);
41*7c478bd9Sstevel@tonic-gate (void) wmove(win, 0, 0);
42*7c478bd9Sstevel@tonic-gate (void) wdeleteln(win);
43*7c478bd9Sstevel@tonic-gate (void) wmove(win, oy, ox);
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate if (win == curscr) {
46*7c478bd9Sstevel@tonic-gate (void) _putchar('\n');
47*7c478bd9Sstevel@tonic-gate if (!NONL)
48*7c478bd9Sstevel@tonic-gate win->_curx = 0;
49*7c478bd9Sstevel@tonic-gate #ifdef DEBUG
50*7c478bd9Sstevel@tonic-gate fprintf(outf, "SCROLL: win == curscr\n");
51*7c478bd9Sstevel@tonic-gate #endif
52*7c478bd9Sstevel@tonic-gate }
53*7c478bd9Sstevel@tonic-gate
54*7c478bd9Sstevel@tonic-gate return (OK);
55*7c478bd9Sstevel@tonic-gate }
56