17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate * Copyright (c) 1995, by Sun Microsystems, Inc.
247c478bd9Sstevel@tonic-gate * All rights reserved.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /*
287c478bd9Sstevel@tonic-gate * keypad.c
297c478bd9Sstevel@tonic-gate *
307c478bd9Sstevel@tonic-gate * XCurses Library
317c478bd9Sstevel@tonic-gate *
327c478bd9Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
337c478bd9Sstevel@tonic-gate *
347c478bd9Sstevel@tonic-gate */
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate #ifdef M_RCSID
377c478bd9Sstevel@tonic-gate #ifndef lint
387c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/keypad.c 1.3 1995/05/24 19:43:46 ant Exp $";
397c478bd9Sstevel@tonic-gate #endif
407c478bd9Sstevel@tonic-gate #endif
417c478bd9Sstevel@tonic-gate
427c478bd9Sstevel@tonic-gate #include <private.h>
437c478bd9Sstevel@tonic-gate #include <stdlib.h>
447c478bd9Sstevel@tonic-gate
457c478bd9Sstevel@tonic-gate /*f
467c478bd9Sstevel@tonic-gate * Add a function key string to the decode tree.
477c478bd9Sstevel@tonic-gate * Return -1 on error, else the length of the key sequence.
487c478bd9Sstevel@tonic-gate */
497c478bd9Sstevel@tonic-gate static int
decode_add(root,str,code)507c478bd9Sstevel@tonic-gate decode_add(root, str, code)
517c478bd9Sstevel@tonic-gate t_decode **root;
527c478bd9Sstevel@tonic-gate const char *str;
537c478bd9Sstevel@tonic-gate short code;
547c478bd9Sstevel@tonic-gate {
557c478bd9Sstevel@tonic-gate const char *start;
567c478bd9Sstevel@tonic-gate t_decode *node, *saved;
577c478bd9Sstevel@tonic-gate
587c478bd9Sstevel@tonic-gate if (root == (t_decode **) 0)
597c478bd9Sstevel@tonic-gate return -1;
607c478bd9Sstevel@tonic-gate
617c478bd9Sstevel@tonic-gate if (str == (char *) 0)
627c478bd9Sstevel@tonic-gate return 0;
637c478bd9Sstevel@tonic-gate
647c478bd9Sstevel@tonic-gate start = str;
657c478bd9Sstevel@tonic-gate saved = (t_decode *) 0;
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate if (*root == (t_decode *) 0) {
687c478bd9Sstevel@tonic-gate /* First node of tree. */
697c478bd9Sstevel@tonic-gate node = (t_decode *) malloc(sizeof *node);
707c478bd9Sstevel@tonic-gate if (node == (t_decode *) 0)
717c478bd9Sstevel@tonic-gate return -1;
727c478bd9Sstevel@tonic-gate
737c478bd9Sstevel@tonic-gate *root = saved = node;
747c478bd9Sstevel@tonic-gate
757c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0;
767c478bd9Sstevel@tonic-gate node->ch = *str++;
777c478bd9Sstevel@tonic-gate node->key = 0;
787c478bd9Sstevel@tonic-gate } else {
797c478bd9Sstevel@tonic-gate /* Find node to insert function key sequence into the tree. */
807c478bd9Sstevel@tonic-gate for (node = *root; *str != '\0'; ++str, node = node->child) {
81*1da57d55SToomas Soome while (node->ch != *str
827c478bd9Sstevel@tonic-gate && node->sibling != (t_decode *)0)
837c478bd9Sstevel@tonic-gate node = node->sibling;
84*1da57d55SToomas Soome
857c478bd9Sstevel@tonic-gate if (node->ch != *str) {
867c478bd9Sstevel@tonic-gate node->sibling = (t_decode *) malloc(
877c478bd9Sstevel@tonic-gate sizeof *node
887c478bd9Sstevel@tonic-gate );
897c478bd9Sstevel@tonic-gate if (node->sibling == (t_decode *) 0)
907c478bd9Sstevel@tonic-gate return -1;
917c478bd9Sstevel@tonic-gate
927c478bd9Sstevel@tonic-gate saved = node = node->sibling;
937c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0;
947c478bd9Sstevel@tonic-gate node->ch = *str++;
957c478bd9Sstevel@tonic-gate node->key = 0;
967c478bd9Sstevel@tonic-gate break;
977c478bd9Sstevel@tonic-gate }
987c478bd9Sstevel@tonic-gate
997c478bd9Sstevel@tonic-gate if (node->child == (t_decode *) 0)
1007c478bd9Sstevel@tonic-gate break;
1017c478bd9Sstevel@tonic-gate }
1027c478bd9Sstevel@tonic-gate }
1037c478bd9Sstevel@tonic-gate
1047c478bd9Sstevel@tonic-gate /* Insert string into the tree; node->child == null. */
1057c478bd9Sstevel@tonic-gate while (*str != '\0') {
1067c478bd9Sstevel@tonic-gate node->child = (t_decode *) malloc(sizeof *node);
1077c478bd9Sstevel@tonic-gate if (node->child == (t_decode *) 0) {
1087c478bd9Sstevel@tonic-gate __m_decode_free(&saved);
1097c478bd9Sstevel@tonic-gate return -1;
1107c478bd9Sstevel@tonic-gate }
1117c478bd9Sstevel@tonic-gate
1127c478bd9Sstevel@tonic-gate node = node->child;
1137c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0;
1147c478bd9Sstevel@tonic-gate node->ch = *str++;
1157c478bd9Sstevel@tonic-gate node->key = 0;
1167c478bd9Sstevel@tonic-gate }
1177c478bd9Sstevel@tonic-gate
1187c478bd9Sstevel@tonic-gate node->key = code;
1197c478bd9Sstevel@tonic-gate
1207c478bd9Sstevel@tonic-gate return (int) (str - start);
1217c478bd9Sstevel@tonic-gate }
1227c478bd9Sstevel@tonic-gate
1237c478bd9Sstevel@tonic-gate void
__m_decode_free(tree)1247c478bd9Sstevel@tonic-gate __m_decode_free(tree)
1257c478bd9Sstevel@tonic-gate t_decode **tree;
1267c478bd9Sstevel@tonic-gate {
1277c478bd9Sstevel@tonic-gate if (*tree != (t_decode *) 0) {
1287c478bd9Sstevel@tonic-gate __m_decode_free(&(*tree)->sibling);
1297c478bd9Sstevel@tonic-gate __m_decode_free(&(*tree)->child);
1307c478bd9Sstevel@tonic-gate free(*tree);
1317c478bd9Sstevel@tonic-gate *tree = (t_decode *) 0;
1327c478bd9Sstevel@tonic-gate }
1337c478bd9Sstevel@tonic-gate }
1347c478bd9Sstevel@tonic-gate
1357c478bd9Sstevel@tonic-gate /*f
1367c478bd9Sstevel@tonic-gate * Initialise the function key decode tree.
1377c478bd9Sstevel@tonic-gate */
1387c478bd9Sstevel@tonic-gate int
__m_decode_init(tree)1397c478bd9Sstevel@tonic-gate __m_decode_init(tree)
1407c478bd9Sstevel@tonic-gate t_decode **tree;
1417c478bd9Sstevel@tonic-gate {
1427c478bd9Sstevel@tonic-gate int max, len;
1437c478bd9Sstevel@tonic-gate short (*p)[2];
1447c478bd9Sstevel@tonic-gate
1457c478bd9Sstevel@tonic-gate *tree = (t_decode *) 0;
1467c478bd9Sstevel@tonic-gate
1477c478bd9Sstevel@tonic-gate for (max = -1, p = __m_keyindex; **p != -1; ++p) {
1487c478bd9Sstevel@tonic-gate len = decode_add(tree, cur_term->_str[**p], (*p)[1]);
1497c478bd9Sstevel@tonic-gate if (len < 0)
1507c478bd9Sstevel@tonic-gate return -1;
1517c478bd9Sstevel@tonic-gate if (max < len)
1527c478bd9Sstevel@tonic-gate max = len;
1537c478bd9Sstevel@tonic-gate }
1547c478bd9Sstevel@tonic-gate
1557c478bd9Sstevel@tonic-gate return max;
1567c478bd9Sstevel@tonic-gate }
1577c478bd9Sstevel@tonic-gate
1587c478bd9Sstevel@tonic-gate /*f
1597c478bd9Sstevel@tonic-gate * When true for a given window, then multibyte function key processing
1607c478bd9Sstevel@tonic-gate * is done for all input throough that window, see wgetch().
1617c478bd9Sstevel@tonic-gate */
1627c478bd9Sstevel@tonic-gate int
keypad(WINDOW * w,bool bf)1637c478bd9Sstevel@tonic-gate keypad(WINDOW *w, bool bf)
1647c478bd9Sstevel@tonic-gate {
1657c478bd9Sstevel@tonic-gate #ifdef M_CURSES_TRACE
1667c478bd9Sstevel@tonic-gate __m_trace("keypad(%p, %d)", w, bf);
1677c478bd9Sstevel@tonic-gate #endif
1687c478bd9Sstevel@tonic-gate
1697c478bd9Sstevel@tonic-gate w->_flags &= ~W_USE_KEYPAD;
170*1da57d55SToomas Soome
1717c478bd9Sstevel@tonic-gate if (bf)
1727c478bd9Sstevel@tonic-gate w->_flags |= W_USE_KEYPAD;
1737c478bd9Sstevel@tonic-gate
1747c478bd9Sstevel@tonic-gate return __m_return_code("keypad", OK);
1757c478bd9Sstevel@tonic-gate }
1767c478bd9Sstevel@tonic-gate
177