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 /*	Copyright (c) 1988 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright (c) 1997, by Sun Mircrosystems, Inc.
28  * All rights reserved.
29  */
30 
31 /*LINTLIBRARY*/
32 
33 #include <sys/types.h>
34 #include "private.h"
35 
36 /* Position the cursor in the user's subwindow. */
37 
38 void
_position_cursor(MENU * m)39 _position_cursor(MENU *m)
40 {
41 	int y, x;
42 	WINDOW *us, *uw;
43 
44 	if (Posted(m)) {
45 		/* x and y represent the position in our subwindow */
46 		y = Y(Current(m)) - Top(m);
47 		x = X(Current(m))*(Itemlen(m)+1);
48 
49 		if (ShowMatch(m)) {
50 			if (Pindex(m)) {
51 				x += Pindex(m) + Marklen(m) - 1;
52 			}
53 		}
54 
55 		uw = UW(m);
56 		us = US(m);
57 		(void) wmove(us, y, x);
58 
59 		if (us != uw) {
60 			wcursyncup(us);
61 			wsyncup(us);
62 			/*
63 			 * The next statement gets around some aberrant
64 			 * behavior in curses. The subwindow is never being
65 			 * untouched and this results in the parent window
66 			 * being touched every time a syncup is done.
67 			 */
68 			(void) untouchwin(us);
69 		}
70 	}
71 }
72 
73 int
pos_menu_cursor(MENU * m)74 pos_menu_cursor(MENU *m)
75 {
76 	if (!m) {
77 		return (E_BAD_ARGUMENT);
78 	}
79 	if (!Posted(m)) {
80 		return (E_NOT_POSTED);
81 	}
82 	_position_cursor(m);
83 	return (E_OK);
84 }
85