1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate #include <sys/types.h>
45*0Sstevel@tonic-gate #include "curses_inc.h"
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate /* Scroll the given window up/down n lines. */
48*0Sstevel@tonic-gate int
wscrl(WINDOW * win,int n)49*0Sstevel@tonic-gate wscrl(WINDOW *win, int n)
50*0Sstevel@tonic-gate {
51*0Sstevel@tonic-gate short curx, cury;
52*0Sstevel@tonic-gate bool savimmed, savsync;
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate #ifdef DEBUG
55*0Sstevel@tonic-gate if (outf)
56*0Sstevel@tonic-gate if (win == stdscr)
57*0Sstevel@tonic-gate fprintf(outf, "scroll(stdscr, %d)\n", n);
58*0Sstevel@tonic-gate else
59*0Sstevel@tonic-gate if (win == curscr)
60*0Sstevel@tonic-gate fprintf(outf, "scroll(curscr, %d)\n", n);
61*0Sstevel@tonic-gate else
62*0Sstevel@tonic-gate fprintf(outf, "scroll(%x, %d)\n", win, n);
63*0Sstevel@tonic-gate #endif /* DEBUG */
64*0Sstevel@tonic-gate if (!win->_scroll || (win->_flags & _ISPAD))
65*0Sstevel@tonic-gate return (ERR);
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate savimmed = win->_immed;
68*0Sstevel@tonic-gate savsync = win->_sync;
69*0Sstevel@tonic-gate win->_immed = win->_sync = FALSE;
70*0Sstevel@tonic-gate
71*0Sstevel@tonic-gate curx = win->_curx; cury = win->_cury;
72*0Sstevel@tonic-gate
73*0Sstevel@tonic-gate if (cury >= win->_tmarg && cury <= win->_bmarg)
74*0Sstevel@tonic-gate win->_cury = win->_tmarg;
75*0Sstevel@tonic-gate else
76*0Sstevel@tonic-gate win->_cury = 0;
77*0Sstevel@tonic-gate
78*0Sstevel@tonic-gate (void) winsdelln(win, -n);
79*0Sstevel@tonic-gate win->_curx = curx;
80*0Sstevel@tonic-gate win->_cury = cury;
81*0Sstevel@tonic-gate
82*0Sstevel@tonic-gate win->_sync = savsync;
83*0Sstevel@tonic-gate
84*0Sstevel@tonic-gate if (win->_sync)
85*0Sstevel@tonic-gate wsyncup(win);
86*0Sstevel@tonic-gate
87*0Sstevel@tonic-gate return ((win->_immed = savimmed) ? wrefresh(win) : OK);
88*0Sstevel@tonic-gate }
89