xref: /illumos-gate/usr/src/lib/libeti/menu/common/menucursor.c (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
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 #pragma	ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.5	*/
32 
33 /*LINTLIBRARY*/
34 
35 #include <sys/types.h>
36 #include "private.h"
37 
38 /* Position the cursor in the user's subwindow. */
39 
40 void
41 _position_cursor(MENU *m)
42 {
43 	int y, x;
44 	WINDOW *us, *uw;
45 
46 	if (Posted(m)) {
47 		/* x and y represent the position in our subwindow */
48 		y = Y(Current(m)) - Top(m);
49 		x = X(Current(m))*(Itemlen(m)+1);
50 
51 		if (ShowMatch(m)) {
52 			if (Pindex(m)) {
53 				x += Pindex(m) + Marklen(m) - 1;
54 			}
55 		}
56 
57 		uw = UW(m);
58 		us = US(m);
59 		(void) wmove(us, y, x);
60 
61 		if (us != uw) {
62 			wcursyncup(us);
63 			wsyncup(us);
64 			/*
65 			 * The next statement gets around some aberrant
66 			 * behavior in curses. The subwindow is never being
67 			 * untouched and this results in the parent window
68 			 * being touched every time a syncup is done.
69 			 */
70 			(void) untouchwin(us);
71 		}
72 	}
73 }
74 
75 int
76 pos_menu_cursor(MENU *m)
77 {
78 	if (!m) {
79 		return (E_BAD_ARGUMENT);
80 	}
81 	if (!Posted(m)) {
82 		return (E_NOT_POSTED);
83 	}
84 	_position_cursor(m);
85 	return (E_OK);
86 }
87