xref: /illumos-gate/usr/src/lib/libeti/menu/common/menuformat.c (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
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
37 set_menu_format(MENU *m, int rows, int cols)
38 {
39 	if (rows < 0 || cols < 0) {
40 		return (E_BAD_ARGUMENT);
41 	}
42 	if (m) {
43 		if (Posted(m)) {
44 			return (E_POSTED);
45 		}
46 		if (rows == 0) {
47 			rows = FRows(m);
48 		}
49 		if (cols == 0) {
50 			cols = FCols(m);
51 		}
52 
53 		/* The pattern buffer is allocated after items have been */
54 		/* connected */
55 		if (Pattern(m)) {
56 			IthPattern(m, 0) = '\0';
57 			Pindex(m) = 0;
58 		}
59 
60 		FRows(m) = rows;
61 		FCols(m) = cols;
62 		Cols(m) = min(cols, Nitems(m));
63 		Rows(m) = (Nitems(m)-1) / cols + 1;
64 		Height(m) = min(rows, Rows(m));
65 		Top(m) = 0;
66 		Current(m) = IthItem(m, 0);
67 		SetLink(m);
68 		_scale(m);
69 	} else {
70 		if (rows > 0) {
71 			FRows(Dfl_Menu) = rows;
72 		}
73 		if (cols > 0) {
74 			FCols(Dfl_Menu) = cols;
75 		}
76 	}
77 	return (E_OK);
78 }
79 
80 void
81 menu_format(MENU *m, int *rows, int *cols)
82 {
83 	if (m) {
84 		*rows = FRows(m);
85 		*cols = FCols(m);
86 	} else {
87 		*rows = FRows(Dfl_Menu);
88 		*cols = FCols(Dfl_Menu);
89 	}
90 }
91