1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
28*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved	*/
29*7c478bd9Sstevel@tonic-gate 
30*7c478bd9Sstevel@tonic-gate /*
31*7c478bd9Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*7c478bd9Sstevel@tonic-gate  * The Regents of the University of California
33*7c478bd9Sstevel@tonic-gate  * All Rights Reserved
34*7c478bd9Sstevel@tonic-gate  *
35*7c478bd9Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*7c478bd9Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*7c478bd9Sstevel@tonic-gate  * contributors.
38*7c478bd9Sstevel@tonic-gate  */
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
41*7c478bd9Sstevel@tonic-gate 
42*7c478bd9Sstevel@tonic-gate #include	<sys/types.h>
43*7c478bd9Sstevel@tonic-gate #include	"curses_inc.h"
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate /*
46*7c478bd9Sstevel@tonic-gate  * Make a number of lines look like they have/have not been changed.
47*7c478bd9Sstevel@tonic-gate  * y: the start line
48*7c478bd9Sstevel@tonic-gate  * n: the number of lines affected
49*7c478bd9Sstevel@tonic-gate  * changed:	1: changed
50*7c478bd9Sstevel@tonic-gate  * 		0: not changed
51*7c478bd9Sstevel@tonic-gate  * 		-1: changed. Called internally - In this mode
52*7c478bd9Sstevel@tonic-gate  *		even REDRAW lines are changed.
53*7c478bd9Sstevel@tonic-gate  */
54*7c478bd9Sstevel@tonic-gate 
55*7c478bd9Sstevel@tonic-gate int
wtouchln(WINDOW * win,int y,int n,int changed)56*7c478bd9Sstevel@tonic-gate wtouchln(WINDOW *win, int y, int n, int changed)
57*7c478bd9Sstevel@tonic-gate {
58*7c478bd9Sstevel@tonic-gate 	short	*firstch, *lastch, b, e;
59*7c478bd9Sstevel@tonic-gate 	int	maxy = win->_maxy;
60*7c478bd9Sstevel@tonic-gate 
61*7c478bd9Sstevel@tonic-gate 	if (y >= maxy)
62*7c478bd9Sstevel@tonic-gate 		return (ERR);
63*7c478bd9Sstevel@tonic-gate 	if (y < 0)
64*7c478bd9Sstevel@tonic-gate 		y = 0;
65*7c478bd9Sstevel@tonic-gate 	if ((y + n) > maxy)
66*7c478bd9Sstevel@tonic-gate 		n = maxy - y;
67*7c478bd9Sstevel@tonic-gate 	firstch = win->_firstch + y;
68*7c478bd9Sstevel@tonic-gate 	lastch = win->_lastch + y;
69*7c478bd9Sstevel@tonic-gate 	if (changed) {
70*7c478bd9Sstevel@tonic-gate 		win->_flags |= _WINCHANGED;
71*7c478bd9Sstevel@tonic-gate 		b = 0;
72*7c478bd9Sstevel@tonic-gate 		e = win->_maxx - 1;
73*7c478bd9Sstevel@tonic-gate 	} else {
74*7c478bd9Sstevel@tonic-gate 		b = _INFINITY;
75*7c478bd9Sstevel@tonic-gate 		e = -1;
76*7c478bd9Sstevel@tonic-gate 		win->_flags &= ~_WINCHANGED;
77*7c478bd9Sstevel@tonic-gate 	}
78*7c478bd9Sstevel@tonic-gate 
79*7c478bd9Sstevel@tonic-gate 	for (; n-- > 0; firstch++, lastch++) {
80*7c478bd9Sstevel@tonic-gate 		if (changed == -1 || *firstch != _REDRAW)
81*7c478bd9Sstevel@tonic-gate 			*firstch = b, *lastch = e;
82*7c478bd9Sstevel@tonic-gate 	}
83*7c478bd9Sstevel@tonic-gate 
84*7c478bd9Sstevel@tonic-gate 	if ((changed == 1) && win->_sync)
85*7c478bd9Sstevel@tonic-gate 		wsyncup(win);
86*7c478bd9Sstevel@tonic-gate 
87*7c478bd9Sstevel@tonic-gate 	return (((changed == 1) && win->_immed) ? wrefresh(win) : OK);
88*7c478bd9Sstevel@tonic-gate }
89