1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * Copyright 2001 Sun Microsystems, Inc. All rights reserved.
3*0Sstevel@tonic-gate * Use is subject to license terms.
4*0Sstevel@tonic-gate */
5*0Sstevel@tonic-gate
6*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
7*0Sstevel@tonic-gate /* All Rights Reserved */
8*0Sstevel@tonic-gate
9*0Sstevel@tonic-gate /*
10*0Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California.
11*0Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement
12*0Sstevel@tonic-gate * specifies the terms and conditions for redistribution.
13*0Sstevel@tonic-gate */
14*0Sstevel@tonic-gate
15*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
16*0Sstevel@tonic-gate
17*0Sstevel@tonic-gate /*LINTLIBRARY*/
18*0Sstevel@tonic-gate
19*0Sstevel@tonic-gate #ifndef lint
20*0Sstevel@tonic-gate static char
21*0Sstevel@tonic-gate sccsid[] = "@(#)scroll.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22*0Sstevel@tonic-gate #endif /* not lint */
23*0Sstevel@tonic-gate
24*0Sstevel@tonic-gate #include "curses.ext"
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate * This routine scrolls the window up a line.
28*0Sstevel@tonic-gate */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate int
scroll(WINDOW * win)31*0Sstevel@tonic-gate scroll(WINDOW *win)
32*0Sstevel@tonic-gate {
33*0Sstevel@tonic-gate int oy, ox;
34*0Sstevel@tonic-gate
35*0Sstevel@tonic-gate #ifdef DEBUG
36*0Sstevel@tonic-gate fprintf(outf, "SCROLL(%0.2o)\n", win);
37*0Sstevel@tonic-gate #endif
38*0Sstevel@tonic-gate
39*0Sstevel@tonic-gate if (!win->_scroll)
40*0Sstevel@tonic-gate return (ERR);
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate getyx(win, oy, ox);
43*0Sstevel@tonic-gate (void) wmove(win, 0, 0);
44*0Sstevel@tonic-gate (void) wdeleteln(win);
45*0Sstevel@tonic-gate (void) wmove(win, oy, ox);
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate if (win == curscr) {
48*0Sstevel@tonic-gate (void) _putchar('\n');
49*0Sstevel@tonic-gate if (!NONL)
50*0Sstevel@tonic-gate win->_curx = 0;
51*0Sstevel@tonic-gate #ifdef DEBUG
52*0Sstevel@tonic-gate fprintf(outf, "SCROLL: win == curscr\n");
53*0Sstevel@tonic-gate #endif
54*0Sstevel@tonic-gate }
55*0Sstevel@tonic-gate
56*0Sstevel@tonic-gate return (OK);
57*0Sstevel@tonic-gate }
58