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 /*
48*0Sstevel@tonic-gate * Make a number of lines look like they have/have not been changed.
49*0Sstevel@tonic-gate * y: the start line
50*0Sstevel@tonic-gate * n: the number of lines affected
51*0Sstevel@tonic-gate * changed: 1: changed
52*0Sstevel@tonic-gate * 0: not changed
53*0Sstevel@tonic-gate * -1: changed. Called internally - In this mode
54*0Sstevel@tonic-gate * even REDRAW lines are changed.
55*0Sstevel@tonic-gate */
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate int
wtouchln(WINDOW * win,int y,int n,int changed)58*0Sstevel@tonic-gate wtouchln(WINDOW *win, int y, int n, int changed)
59*0Sstevel@tonic-gate {
60*0Sstevel@tonic-gate short *firstch, *lastch, b, e;
61*0Sstevel@tonic-gate int maxy = win->_maxy;
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate if (y >= maxy)
64*0Sstevel@tonic-gate return (ERR);
65*0Sstevel@tonic-gate if (y < 0)
66*0Sstevel@tonic-gate y = 0;
67*0Sstevel@tonic-gate if ((y + n) > maxy)
68*0Sstevel@tonic-gate n = maxy - y;
69*0Sstevel@tonic-gate firstch = win->_firstch + y;
70*0Sstevel@tonic-gate lastch = win->_lastch + y;
71*0Sstevel@tonic-gate if (changed) {
72*0Sstevel@tonic-gate win->_flags |= _WINCHANGED;
73*0Sstevel@tonic-gate b = 0;
74*0Sstevel@tonic-gate e = win->_maxx - 1;
75*0Sstevel@tonic-gate } else {
76*0Sstevel@tonic-gate b = _INFINITY;
77*0Sstevel@tonic-gate e = -1;
78*0Sstevel@tonic-gate win->_flags &= ~_WINCHANGED;
79*0Sstevel@tonic-gate }
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gate for (; n-- > 0; firstch++, lastch++) {
82*0Sstevel@tonic-gate if (changed == -1 || *firstch != _REDRAW)
83*0Sstevel@tonic-gate *firstch = b, *lastch = e;
84*0Sstevel@tonic-gate }
85*0Sstevel@tonic-gate
86*0Sstevel@tonic-gate if ((changed == 1) && win->_sync)
87*0Sstevel@tonic-gate wsyncup(win);
88*0Sstevel@tonic-gate
89*0Sstevel@tonic-gate return (((changed == 1) && win->_immed) ? wrefresh(win) : OK);
90*0Sstevel@tonic-gate }
91