1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
23*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
24*7c478bd9Sstevel@tonic-gate
25*7c478bd9Sstevel@tonic-gate
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997, by Sun Mircrosystems, Inc.
28*7c478bd9Sstevel@tonic-gate * All rights reserved.
29*7c478bd9Sstevel@tonic-gate */
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
34*7c478bd9Sstevel@tonic-gate #include "private.h"
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate /* Make sure top is not within a page of the end of the menu */
37*7c478bd9Sstevel@tonic-gate
38*7c478bd9Sstevel@tonic-gate void
_chk_top(MENU * m,int * top,ITEM * current)39*7c478bd9Sstevel@tonic-gate _chk_top(MENU *m, int *top, ITEM *current)
40*7c478bd9Sstevel@tonic-gate {
41*7c478bd9Sstevel@tonic-gate if (Y(current) < *top) {
42*7c478bd9Sstevel@tonic-gate *top = Y(current);
43*7c478bd9Sstevel@tonic-gate }
44*7c478bd9Sstevel@tonic-gate if (Y(current) >= *top + Height(m)) {
45*7c478bd9Sstevel@tonic-gate *top = Y(current) - Height(m) + 1;
46*7c478bd9Sstevel@tonic-gate }
47*7c478bd9Sstevel@tonic-gate }
48*7c478bd9Sstevel@tonic-gate
49*7c478bd9Sstevel@tonic-gate /*
50*7c478bd9Sstevel@tonic-gate * This routine makes sure top is in the correct position
51*7c478bd9Sstevel@tonic-gate * relative to current. It is only used when current is
52*7c478bd9Sstevel@tonic-gate * explicitly set.
53*7c478bd9Sstevel@tonic-gate */
54*7c478bd9Sstevel@tonic-gate
55*7c478bd9Sstevel@tonic-gate void
_chk_current(MENU * m,int * top,ITEM * current)56*7c478bd9Sstevel@tonic-gate _chk_current(MENU *m, int *top, ITEM *current)
57*7c478bd9Sstevel@tonic-gate {
58*7c478bd9Sstevel@tonic-gate if (Y(current) < *top) {
59*7c478bd9Sstevel@tonic-gate *top = Y(current);
60*7c478bd9Sstevel@tonic-gate }
61*7c478bd9Sstevel@tonic-gate if (Y(current) >= *top + Height(m)) {
62*7c478bd9Sstevel@tonic-gate *top = min(Y(current), Rows(m) - Height(m));
63*7c478bd9Sstevel@tonic-gate }
64*7c478bd9Sstevel@tonic-gate }
65