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 /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1995, by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate * keypad.c
29*7c478bd9Sstevel@tonic-gate *
30*7c478bd9Sstevel@tonic-gate * XCurses Library
31*7c478bd9Sstevel@tonic-gate *
32*7c478bd9Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
33*7c478bd9Sstevel@tonic-gate *
34*7c478bd9Sstevel@tonic-gate */
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate #ifdef M_RCSID
37*7c478bd9Sstevel@tonic-gate #ifndef lint
38*7c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/keypad.c 1.3 1995/05/24 19:43:46 ant Exp $";
39*7c478bd9Sstevel@tonic-gate #endif
40*7c478bd9Sstevel@tonic-gate #endif
41*7c478bd9Sstevel@tonic-gate
42*7c478bd9Sstevel@tonic-gate #include <private.h>
43*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate /*f
46*7c478bd9Sstevel@tonic-gate * Add a function key string to the decode tree.
47*7c478bd9Sstevel@tonic-gate * Return -1 on error, else the length of the key sequence.
48*7c478bd9Sstevel@tonic-gate */
49*7c478bd9Sstevel@tonic-gate static int
decode_add(root,str,code)50*7c478bd9Sstevel@tonic-gate decode_add(root, str, code)
51*7c478bd9Sstevel@tonic-gate t_decode **root;
52*7c478bd9Sstevel@tonic-gate const char *str;
53*7c478bd9Sstevel@tonic-gate short code;
54*7c478bd9Sstevel@tonic-gate {
55*7c478bd9Sstevel@tonic-gate const char *start;
56*7c478bd9Sstevel@tonic-gate t_decode *node, *saved;
57*7c478bd9Sstevel@tonic-gate
58*7c478bd9Sstevel@tonic-gate if (root == (t_decode **) 0)
59*7c478bd9Sstevel@tonic-gate return -1;
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate if (str == (char *) 0)
62*7c478bd9Sstevel@tonic-gate return 0;
63*7c478bd9Sstevel@tonic-gate
64*7c478bd9Sstevel@tonic-gate start = str;
65*7c478bd9Sstevel@tonic-gate saved = (t_decode *) 0;
66*7c478bd9Sstevel@tonic-gate
67*7c478bd9Sstevel@tonic-gate if (*root == (t_decode *) 0) {
68*7c478bd9Sstevel@tonic-gate /* First node of tree. */
69*7c478bd9Sstevel@tonic-gate node = (t_decode *) malloc(sizeof *node);
70*7c478bd9Sstevel@tonic-gate if (node == (t_decode *) 0)
71*7c478bd9Sstevel@tonic-gate return -1;
72*7c478bd9Sstevel@tonic-gate
73*7c478bd9Sstevel@tonic-gate *root = saved = node;
74*7c478bd9Sstevel@tonic-gate
75*7c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0;
76*7c478bd9Sstevel@tonic-gate node->ch = *str++;
77*7c478bd9Sstevel@tonic-gate node->key = 0;
78*7c478bd9Sstevel@tonic-gate } else {
79*7c478bd9Sstevel@tonic-gate /* Find node to insert function key sequence into the tree. */
80*7c478bd9Sstevel@tonic-gate for (node = *root; *str != '\0'; ++str, node = node->child) {
81*7c478bd9Sstevel@tonic-gate while (node->ch != *str
82*7c478bd9Sstevel@tonic-gate && node->sibling != (t_decode *)0)
83*7c478bd9Sstevel@tonic-gate node = node->sibling;
84*7c478bd9Sstevel@tonic-gate
85*7c478bd9Sstevel@tonic-gate if (node->ch != *str) {
86*7c478bd9Sstevel@tonic-gate node->sibling = (t_decode *) malloc(
87*7c478bd9Sstevel@tonic-gate sizeof *node
88*7c478bd9Sstevel@tonic-gate );
89*7c478bd9Sstevel@tonic-gate if (node->sibling == (t_decode *) 0)
90*7c478bd9Sstevel@tonic-gate return -1;
91*7c478bd9Sstevel@tonic-gate
92*7c478bd9Sstevel@tonic-gate saved = node = node->sibling;
93*7c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0;
94*7c478bd9Sstevel@tonic-gate node->ch = *str++;
95*7c478bd9Sstevel@tonic-gate node->key = 0;
96*7c478bd9Sstevel@tonic-gate break;
97*7c478bd9Sstevel@tonic-gate }
98*7c478bd9Sstevel@tonic-gate
99*7c478bd9Sstevel@tonic-gate if (node->child == (t_decode *) 0)
100*7c478bd9Sstevel@tonic-gate break;
101*7c478bd9Sstevel@tonic-gate }
102*7c478bd9Sstevel@tonic-gate }
103*7c478bd9Sstevel@tonic-gate
104*7c478bd9Sstevel@tonic-gate /* Insert string into the tree; node->child == null. */
105*7c478bd9Sstevel@tonic-gate while (*str != '\0') {
106*7c478bd9Sstevel@tonic-gate node->child = (t_decode *) malloc(sizeof *node);
107*7c478bd9Sstevel@tonic-gate if (node->child == (t_decode *) 0) {
108*7c478bd9Sstevel@tonic-gate __m_decode_free(&saved);
109*7c478bd9Sstevel@tonic-gate return -1;
110*7c478bd9Sstevel@tonic-gate }
111*7c478bd9Sstevel@tonic-gate
112*7c478bd9Sstevel@tonic-gate node = node->child;
113*7c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0;
114*7c478bd9Sstevel@tonic-gate node->ch = *str++;
115*7c478bd9Sstevel@tonic-gate node->key = 0;
116*7c478bd9Sstevel@tonic-gate }
117*7c478bd9Sstevel@tonic-gate
118*7c478bd9Sstevel@tonic-gate node->key = code;
119*7c478bd9Sstevel@tonic-gate
120*7c478bd9Sstevel@tonic-gate return (int) (str - start);
121*7c478bd9Sstevel@tonic-gate }
122*7c478bd9Sstevel@tonic-gate
123*7c478bd9Sstevel@tonic-gate void
__m_decode_free(tree)124*7c478bd9Sstevel@tonic-gate __m_decode_free(tree)
125*7c478bd9Sstevel@tonic-gate t_decode **tree;
126*7c478bd9Sstevel@tonic-gate {
127*7c478bd9Sstevel@tonic-gate if (*tree != (t_decode *) 0) {
128*7c478bd9Sstevel@tonic-gate __m_decode_free(&(*tree)->sibling);
129*7c478bd9Sstevel@tonic-gate __m_decode_free(&(*tree)->child);
130*7c478bd9Sstevel@tonic-gate free(*tree);
131*7c478bd9Sstevel@tonic-gate *tree = (t_decode *) 0;
132*7c478bd9Sstevel@tonic-gate }
133*7c478bd9Sstevel@tonic-gate }
134*7c478bd9Sstevel@tonic-gate
135*7c478bd9Sstevel@tonic-gate /*f
136*7c478bd9Sstevel@tonic-gate * Initialise the function key decode tree.
137*7c478bd9Sstevel@tonic-gate */
138*7c478bd9Sstevel@tonic-gate int
__m_decode_init(tree)139*7c478bd9Sstevel@tonic-gate __m_decode_init(tree)
140*7c478bd9Sstevel@tonic-gate t_decode **tree;
141*7c478bd9Sstevel@tonic-gate {
142*7c478bd9Sstevel@tonic-gate int max, len;
143*7c478bd9Sstevel@tonic-gate short (*p)[2];
144*7c478bd9Sstevel@tonic-gate
145*7c478bd9Sstevel@tonic-gate *tree = (t_decode *) 0;
146*7c478bd9Sstevel@tonic-gate
147*7c478bd9Sstevel@tonic-gate for (max = -1, p = __m_keyindex; **p != -1; ++p) {
148*7c478bd9Sstevel@tonic-gate len = decode_add(tree, cur_term->_str[**p], (*p)[1]);
149*7c478bd9Sstevel@tonic-gate if (len < 0)
150*7c478bd9Sstevel@tonic-gate return -1;
151*7c478bd9Sstevel@tonic-gate if (max < len)
152*7c478bd9Sstevel@tonic-gate max = len;
153*7c478bd9Sstevel@tonic-gate }
154*7c478bd9Sstevel@tonic-gate
155*7c478bd9Sstevel@tonic-gate return max;
156*7c478bd9Sstevel@tonic-gate }
157*7c478bd9Sstevel@tonic-gate
158*7c478bd9Sstevel@tonic-gate /*f
159*7c478bd9Sstevel@tonic-gate * When true for a given window, then multibyte function key processing
160*7c478bd9Sstevel@tonic-gate * is done for all input throough that window, see wgetch().
161*7c478bd9Sstevel@tonic-gate */
162*7c478bd9Sstevel@tonic-gate int
keypad(WINDOW * w,bool bf)163*7c478bd9Sstevel@tonic-gate keypad(WINDOW *w, bool bf)
164*7c478bd9Sstevel@tonic-gate {
165*7c478bd9Sstevel@tonic-gate #ifdef M_CURSES_TRACE
166*7c478bd9Sstevel@tonic-gate __m_trace("keypad(%p, %d)", w, bf);
167*7c478bd9Sstevel@tonic-gate #endif
168*7c478bd9Sstevel@tonic-gate
169*7c478bd9Sstevel@tonic-gate w->_flags &= ~W_USE_KEYPAD;
170*7c478bd9Sstevel@tonic-gate
171*7c478bd9Sstevel@tonic-gate if (bf)
172*7c478bd9Sstevel@tonic-gate w->_flags |= W_USE_KEYPAD;
173*7c478bd9Sstevel@tonic-gate
174*7c478bd9Sstevel@tonic-gate return __m_return_code("keypad", OK);
175*7c478bd9Sstevel@tonic-gate }
176*7c478bd9Sstevel@tonic-gate
177