xref: /onnv-gate/usr/src/lib/libeti/menu/common/connect.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright (c) 1997, by Sun Mircrosystems, Inc.
28*0Sstevel@tonic-gate  * All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma	ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.8	*/
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include <sys/types.h>
36*0Sstevel@tonic-gate #include <stdlib.h>
37*0Sstevel@tonic-gate #include "private.h"
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /* Connect and disconnect an item list from a menu */
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate /* Find the maximum length name and description */
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate static void
maxlengths(MENU * m)45*0Sstevel@tonic-gate maxlengths(MENU *m)
46*0Sstevel@tonic-gate {
47*0Sstevel@tonic-gate 	int maxn, maxd;
48*0Sstevel@tonic-gate 	ITEM **ip;
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate 	maxn = maxd = 0;
51*0Sstevel@tonic-gate 	for (ip = Items(m); *ip; ip++) {
52*0Sstevel@tonic-gate 		if (NameLen(*ip) > maxn) {
53*0Sstevel@tonic-gate 			maxn = NameLen(*ip);
54*0Sstevel@tonic-gate 		}
55*0Sstevel@tonic-gate 		if (DescriptionLen(*ip) > maxd) {
56*0Sstevel@tonic-gate 			maxd = DescriptionLen(*ip);
57*0Sstevel@tonic-gate 		}
58*0Sstevel@tonic-gate 	}
59*0Sstevel@tonic-gate 	MaxName(m) = maxn;
60*0Sstevel@tonic-gate 	MaxDesc(m) = maxd;
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate int
_connect(MENU * m,ITEM ** items)64*0Sstevel@tonic-gate _connect(MENU *m, ITEM **items)
65*0Sstevel@tonic-gate {
66*0Sstevel@tonic-gate 	ITEM **ip;
67*0Sstevel@tonic-gate 	int i;
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate 	/* Is the list of items connected to any other menu? */
70*0Sstevel@tonic-gate 	for (ip = items; *ip; ip++) {
71*0Sstevel@tonic-gate 		/* Return Null if item points to a menu */
72*0Sstevel@tonic-gate 		if (Imenu(*ip)) {
73*0Sstevel@tonic-gate 			return (FALSE);
74*0Sstevel@tonic-gate 		}
75*0Sstevel@tonic-gate 	}
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	for (i = 0, ip = items; *ip; ip++) {
78*0Sstevel@tonic-gate 		/* Return FALSE if this item is a prevoious item */
79*0Sstevel@tonic-gate 		if (Imenu(*ip)) {
80*0Sstevel@tonic-gate 			for (ip = items; *ip; ip++) {
81*0Sstevel@tonic-gate 				/* Reset index and menu pointers */
82*0Sstevel@tonic-gate 				Index(*ip) = 0;
83*0Sstevel@tonic-gate 				Imenu(*ip) = (MENU *) NULL;
84*0Sstevel@tonic-gate 			}
85*0Sstevel@tonic-gate 			return (FALSE);
86*0Sstevel@tonic-gate 		}
87*0Sstevel@tonic-gate 		if (OneValue(m)) {
88*0Sstevel@tonic-gate 			/* Set all values to FALSE if selection not allowed */
89*0Sstevel@tonic-gate 			Value(*ip) = FALSE;
90*0Sstevel@tonic-gate 		}
91*0Sstevel@tonic-gate 		Index(*ip) = i++;
92*0Sstevel@tonic-gate 		Imenu(*ip) = m;
93*0Sstevel@tonic-gate 	}
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate 	Nitems(m) = i;
96*0Sstevel@tonic-gate 	Items(m) = items;
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate 	/* Go pick up the sizes of names and descriptions */
99*0Sstevel@tonic-gate 	maxlengths(m);
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate 	/* Set up match buffer */
102*0Sstevel@tonic-gate 	if ((Pattern(m) = (char *)malloc((unsigned)MaxName(m)+1)) ==
103*0Sstevel@tonic-gate 	    (char *)0) {
104*0Sstevel@tonic-gate 		return (FALSE);
105*0Sstevel@tonic-gate 	}
106*0Sstevel@tonic-gate 
107*0Sstevel@tonic-gate 	IthPattern(m, 0) = '\0';
108*0Sstevel@tonic-gate 	Pindex(m) = 0;
109*0Sstevel@tonic-gate 	(void) set_menu_format(m, FRows(m), FCols(m));
110*0Sstevel@tonic-gate 	Current(m) = IthItem(m, 0);
111*0Sstevel@tonic-gate 	Top(m) = 0;
112*0Sstevel@tonic-gate 	return (TRUE);
113*0Sstevel@tonic-gate }
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate void
_disconnect(MENU * m)116*0Sstevel@tonic-gate _disconnect(MENU *m)
117*0Sstevel@tonic-gate {
118*0Sstevel@tonic-gate 	ITEM **ip;
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate 	for (ip = Items(m); *ip; ip++) {
121*0Sstevel@tonic-gate 		/* Release items for another menu */
122*0Sstevel@tonic-gate 		Imenu(*ip) = (MENU *) NULL;
123*0Sstevel@tonic-gate 	}
124*0Sstevel@tonic-gate 	free(Pattern(m));
125*0Sstevel@tonic-gate 	Pattern(m) = NULL;
126*0Sstevel@tonic-gate 	Items(m) = (ITEM **) NULL;
127*0Sstevel@tonic-gate 	Nitems(m) = 0;
128*0Sstevel@tonic-gate }
129