xref: /illumos-gate/usr/src/lib/libeti/menu/common/menuformat.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
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 1.8	*/
32 
33 /*LINTLIBRARY*/
34 
35 #include <sys/types.h>
36 #include "private.h"
37 
38 int
39 set_menu_format(MENU *m, int rows, int cols)
40 {
41 	if (rows < 0 || cols < 0) {
42 		return (E_BAD_ARGUMENT);
43 	}
44 	if (m) {
45 		if (Posted(m)) {
46 			return (E_POSTED);
47 		}
48 		if (rows == 0) {
49 			rows = FRows(m);
50 		}
51 		if (cols == 0) {
52 			cols = FCols(m);
53 		}
54 
55 		/* The pattern buffer is allocated after items have been */
56 		/* connected */
57 		if (Pattern(m)) {
58 			IthPattern(m, 0) = '\0';
59 			Pindex(m) = 0;
60 		}
61 
62 		FRows(m) = rows;
63 		FCols(m) = cols;
64 		Cols(m) = min(cols, Nitems(m));
65 		Rows(m) = (Nitems(m)-1) / cols + 1;
66 		Height(m) = min(rows, Rows(m));
67 		Top(m) = 0;
68 		Current(m) = IthItem(m, 0);
69 		SetLink(m);
70 		_scale(m);
71 	} else {
72 		if (rows > 0) {
73 			FRows(Dfl_Menu) = rows;
74 		}
75 		if (cols > 0) {
76 			FCols(Dfl_Menu) = cols;
77 		}
78 	}
79 	return (E_OK);
80 }
81 
82 void
83 menu_format(MENU *m, int *rows, int *cols)
84 {
85 	if (m) {
86 		*rows = FRows(m);
87 		*cols = FCols(m);
88 	} else {
89 		*rows = FRows(Dfl_Menu);
90 		*cols = FCols(Dfl_Menu);
91 	}
92 }
93