1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * wsyncup.c
33  *
34  * XCurses Library
35  *
36  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37  *
38  */
39 
40 #if M_RCSID
41 #ifndef lint
42 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wsyncup.c 1.1 "
43 "1995/06/21 20:04:28 ant Exp $";
44 #endif
45 #endif
46 
47 #include <private.h>
48 
49 int
syncok(WINDOW * w,bool bf)50 syncok(WINDOW *w, bool bf)
51 {
52 	w->_flags &= ~W_SYNC_UP;
53 	if (bf)
54 		w->_flags |= W_SYNC_UP;
55 
56 	return (OK);
57 }
58 
59 void
wsyncup(WINDOW * w)60 wsyncup(WINDOW *w)
61 {
62 	int	y, py;
63 	WINDOW	*p;
64 
65 	for (p = w->_parent; p != NULL; w = p, p = w->_parent) {
66 		/* Update the parent's dirty region from the child's. */
67 		for (py = w->_begy - p->_begy, y = 0; y < w->_maxy; ++y, ++py) {
68 			if (0 <= w->_last[y]) {
69 				p->_first[py] = w->_begx + w->_first[y];
70 				p->_last[py] = w->_begx + w->_last[y];
71 			}
72 		}
73 	}
74 }
75 
76 void
wcursyncup(WINDOW * w)77 wcursyncup(WINDOW *w)
78 {
79 	WINDOW	*p;
80 
81 	for (p = w->_parent; p != NULL; w = p, p = w->_parent) {
82 		p->_cury = w->_begy + w->_cury;
83 		p->_curx = w->_begx + w->_curx;
84 	}
85 }
86