xref: /titanic_52/usr/src/lib/libeti/menu/common/scale.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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 #pragma	ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
36*7c478bd9Sstevel@tonic-gate #include "private.h"
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate /* Calculate the numbers of rows and columns needed to display the menu */
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate void
41*7c478bd9Sstevel@tonic-gate _scale(MENU *m)
42*7c478bd9Sstevel@tonic-gate {
43*7c478bd9Sstevel@tonic-gate 	int width;
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate 	if (Items(m) && IthItem(m, 0)) {
46*7c478bd9Sstevel@tonic-gate 		/* Get the width of one column */
47*7c478bd9Sstevel@tonic-gate 		width = MaxName(m) + Marklen(m);
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate 		if (ShowDesc(m) && MaxDesc(m)) {
50*7c478bd9Sstevel@tonic-gate 			width += MaxDesc(m) + 1;
51*7c478bd9Sstevel@tonic-gate 		}
52*7c478bd9Sstevel@tonic-gate 		Itemlen(m) = width;
53*7c478bd9Sstevel@tonic-gate 
54*7c478bd9Sstevel@tonic-gate 		/* Multiply this by the number of columns */
55*7c478bd9Sstevel@tonic-gate 		width = width * Cols(m);
56*7c478bd9Sstevel@tonic-gate 		/* Add in the number of spaces between columns */
57*7c478bd9Sstevel@tonic-gate 		width += Cols(m) - 1;
58*7c478bd9Sstevel@tonic-gate 		Width(m) = width;
59*7c478bd9Sstevel@tonic-gate 	}
60*7c478bd9Sstevel@tonic-gate }
61*7c478bd9Sstevel@tonic-gate 
62*7c478bd9Sstevel@tonic-gate int
63*7c478bd9Sstevel@tonic-gate scale_menu(MENU *m, int *r, int *c)
64*7c478bd9Sstevel@tonic-gate {
65*7c478bd9Sstevel@tonic-gate 	if (!m) {
66*7c478bd9Sstevel@tonic-gate 		return (E_BAD_ARGUMENT);
67*7c478bd9Sstevel@tonic-gate 	}
68*7c478bd9Sstevel@tonic-gate 	if (Items(m) && IthItem(m, 0)) {
69*7c478bd9Sstevel@tonic-gate 		*r = Height(m);
70*7c478bd9Sstevel@tonic-gate 		*c = Width(m);
71*7c478bd9Sstevel@tonic-gate 		return (E_OK);
72*7c478bd9Sstevel@tonic-gate 	}
73*7c478bd9Sstevel@tonic-gate 	return (E_NOT_CONNECTED);
74*7c478bd9Sstevel@tonic-gate }
75