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 1.4 */
32
33 /*LINTLIBRARY*/
34
35 #include <sys/types.h>
36 #include "private.h"
37
38 /*
39 * This routine checks the supplied values against the values of
40 * current and top items. If a value has changed then one of
41 * terminate routines is called. Following the actual change of
42 * the value is the calling of the initialize routines.
43 */
44
45 void
_affect_change(MENU * m,int newtop,ITEM * newcurrent)46 _affect_change(MENU *m, int newtop, ITEM *newcurrent)
47 {
48 ITEM *oldcur;
49 int topchange = FALSE, curchange = FALSE;
50
51 /* Call term and init routines if posted */
52 if (Posted(m)) {
53
54 /* If current has changed terminate the old item. */
55 if (newcurrent != Current(m)) {
56 Iterm(m);
57 curchange = TRUE;
58 }
59
60 /* If top has changed then call menu init function */
61 if (newtop != Top(m)) {
62 Mterm(m);
63 topchange = TRUE;
64 }
65
66 oldcur = Current(m);
67 Top(m) = newtop;
68 Current(m) = newcurrent;
69
70 if (topchange) {
71 /* Init the new page if top has changed */
72 Minit(m);
73 }
74
75 if (curchange) {
76 /* Unmark the old item and mark the new one */
77 _movecurrent(m, oldcur);
78 /* Init the new item if current changed */
79 Iinit(m);
80 }
81
82 /* If anything changed go change user's copy of menu */
83 if (topchange || curchange) {
84 _show(m);
85 } else {
86 _position_cursor(m);
87 }
88
89 } else {
90 /* Just change Top and Current if not posted */
91 Top(m) = newtop;
92 Current(m) = newcurrent;
93 }
94 }
95