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