1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright (c) 1997, by Sun Mircrosystems, Inc.
28*0Sstevel@tonic-gate  * All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma	ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.4	*/
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include <sys/types.h>
36*0Sstevel@tonic-gate #include "private.h"
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate  * This routine checks the supplied values against the values of
40*0Sstevel@tonic-gate  * current and top items.  If a value has changed then one of
41*0Sstevel@tonic-gate  * terminate routines is called.  Following the actual change of
42*0Sstevel@tonic-gate  * the value is the calling of the initialize routines.
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate void
46*0Sstevel@tonic-gate _affect_change(MENU *m, int newtop, ITEM *newcurrent)
47*0Sstevel@tonic-gate {
48*0Sstevel@tonic-gate 	ITEM *oldcur;
49*0Sstevel@tonic-gate 	int topchange = FALSE, curchange = FALSE;
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate 	/* Call term and init routines if posted */
52*0Sstevel@tonic-gate 	if (Posted(m)) {
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate 		/* If current has changed terminate the old item. */
55*0Sstevel@tonic-gate 		if (newcurrent != Current(m)) {
56*0Sstevel@tonic-gate 			Iterm(m);
57*0Sstevel@tonic-gate 			curchange = TRUE;
58*0Sstevel@tonic-gate 		}
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate 		/* If top has changed then call menu init function */
61*0Sstevel@tonic-gate 		if (newtop != Top(m)) {
62*0Sstevel@tonic-gate 			Mterm(m);
63*0Sstevel@tonic-gate 			topchange = TRUE;
64*0Sstevel@tonic-gate 		}
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 		oldcur = Current(m);
67*0Sstevel@tonic-gate 		Top(m) = newtop;
68*0Sstevel@tonic-gate 		Current(m) = newcurrent;
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate 		if (topchange) {
71*0Sstevel@tonic-gate 			/* Init the new page if top has changed */
72*0Sstevel@tonic-gate 			Minit(m);
73*0Sstevel@tonic-gate 		}
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate 		if (curchange) {
76*0Sstevel@tonic-gate 			/* Unmark the old item and mark  the new one */
77*0Sstevel@tonic-gate 			_movecurrent(m, oldcur);
78*0Sstevel@tonic-gate 			/* Init the new item if current changed */
79*0Sstevel@tonic-gate 			Iinit(m);
80*0Sstevel@tonic-gate 		}
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 		/* If anything changed go change user's copy of menu */
83*0Sstevel@tonic-gate 		if (topchange || curchange) {
84*0Sstevel@tonic-gate 			_show(m);
85*0Sstevel@tonic-gate 		} else {
86*0Sstevel@tonic-gate 			_position_cursor(m);
87*0Sstevel@tonic-gate 		}
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate 	} else {
90*0Sstevel@tonic-gate 		/* Just change Top and Current if not posted */
91*0Sstevel@tonic-gate 		Top(m) = newtop;
92*0Sstevel@tonic-gate 		Current(m) = newcurrent;
93*0Sstevel@tonic-gate 	}
94*0Sstevel@tonic-gate }
95