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 1.9 */
32
33 /*LINTLIBRARY*/
34
35 #include <sys/types.h>
36 #include "private.h"
37
38 int
set_top_row(MENU * m,int top)39 set_top_row(MENU *m, int top)
40 {
41 ITEM *current;
42
43 if (m) {
44 if (Indriver(m)) {
45 return (E_BAD_STATE);
46 }
47 if (!Items(m)) {
48 return (E_NOT_CONNECTED);
49 }
50 if (top < 0 || top > Rows(m) - Height(m)) {
51 return (E_BAD_ARGUMENT);
52 }
53 if (top != Top(m)) {
54 /* Get linking information if not already there */
55 if (LinkNeeded(m)) {
56 _link_items(m);
57 }
58 /* Set current to toprow */
59 current = IthItem(m, RowMajor(m) ? top * Cols(m) : top);
60 Pindex(m) = 0; /* Clear the pattern buffer */
61 IthPattern(m, Pindex(m)) = '\0';
62 _affect_change(m, top, current);
63 }
64 } else {
65 return (E_BAD_ARGUMENT);
66 }
67 return (E_OK);
68 }
69
70 int
top_row(MENU * m)71 top_row(MENU *m)
72 {
73 if (m && Items(m) && IthItem(m, 0)) {
74 return (Top(m));
75 } else {
76 return (-1);
77 }
78 }
79