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 #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate /* 30*7c478bd9Sstevel@tonic-gate * keypad.c 31*7c478bd9Sstevel@tonic-gate * 32*7c478bd9Sstevel@tonic-gate * XCurses Library 33*7c478bd9Sstevel@tonic-gate * 34*7c478bd9Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 35*7c478bd9Sstevel@tonic-gate * 36*7c478bd9Sstevel@tonic-gate */ 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate #ifdef M_RCSID 39*7c478bd9Sstevel@tonic-gate #ifndef lint 40*7c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/keypad.c 1.3 1995/05/24 19:43:46 ant Exp $"; 41*7c478bd9Sstevel@tonic-gate #endif 42*7c478bd9Sstevel@tonic-gate #endif 43*7c478bd9Sstevel@tonic-gate 44*7c478bd9Sstevel@tonic-gate #include <private.h> 45*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate /*f 48*7c478bd9Sstevel@tonic-gate * Add a function key string to the decode tree. 49*7c478bd9Sstevel@tonic-gate * Return -1 on error, else the length of the key sequence. 50*7c478bd9Sstevel@tonic-gate */ 51*7c478bd9Sstevel@tonic-gate static int 52*7c478bd9Sstevel@tonic-gate decode_add(root, str, code) 53*7c478bd9Sstevel@tonic-gate t_decode **root; 54*7c478bd9Sstevel@tonic-gate const char *str; 55*7c478bd9Sstevel@tonic-gate short code; 56*7c478bd9Sstevel@tonic-gate { 57*7c478bd9Sstevel@tonic-gate const char *start; 58*7c478bd9Sstevel@tonic-gate t_decode *node, *saved; 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate if (root == (t_decode **) 0) 61*7c478bd9Sstevel@tonic-gate return -1; 62*7c478bd9Sstevel@tonic-gate 63*7c478bd9Sstevel@tonic-gate if (str == (char *) 0) 64*7c478bd9Sstevel@tonic-gate return 0; 65*7c478bd9Sstevel@tonic-gate 66*7c478bd9Sstevel@tonic-gate start = str; 67*7c478bd9Sstevel@tonic-gate saved = (t_decode *) 0; 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate if (*root == (t_decode *) 0) { 70*7c478bd9Sstevel@tonic-gate /* First node of tree. */ 71*7c478bd9Sstevel@tonic-gate node = (t_decode *) malloc(sizeof *node); 72*7c478bd9Sstevel@tonic-gate if (node == (t_decode *) 0) 73*7c478bd9Sstevel@tonic-gate return -1; 74*7c478bd9Sstevel@tonic-gate 75*7c478bd9Sstevel@tonic-gate *root = saved = node; 76*7c478bd9Sstevel@tonic-gate 77*7c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0; 78*7c478bd9Sstevel@tonic-gate node->ch = *str++; 79*7c478bd9Sstevel@tonic-gate node->key = 0; 80*7c478bd9Sstevel@tonic-gate } else { 81*7c478bd9Sstevel@tonic-gate /* Find node to insert function key sequence into the tree. */ 82*7c478bd9Sstevel@tonic-gate for (node = *root; *str != '\0'; ++str, node = node->child) { 83*7c478bd9Sstevel@tonic-gate while (node->ch != *str 84*7c478bd9Sstevel@tonic-gate && node->sibling != (t_decode *)0) 85*7c478bd9Sstevel@tonic-gate node = node->sibling; 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate if (node->ch != *str) { 88*7c478bd9Sstevel@tonic-gate node->sibling = (t_decode *) malloc( 89*7c478bd9Sstevel@tonic-gate sizeof *node 90*7c478bd9Sstevel@tonic-gate ); 91*7c478bd9Sstevel@tonic-gate if (node->sibling == (t_decode *) 0) 92*7c478bd9Sstevel@tonic-gate return -1; 93*7c478bd9Sstevel@tonic-gate 94*7c478bd9Sstevel@tonic-gate saved = node = node->sibling; 95*7c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0; 96*7c478bd9Sstevel@tonic-gate node->ch = *str++; 97*7c478bd9Sstevel@tonic-gate node->key = 0; 98*7c478bd9Sstevel@tonic-gate break; 99*7c478bd9Sstevel@tonic-gate } 100*7c478bd9Sstevel@tonic-gate 101*7c478bd9Sstevel@tonic-gate if (node->child == (t_decode *) 0) 102*7c478bd9Sstevel@tonic-gate break; 103*7c478bd9Sstevel@tonic-gate } 104*7c478bd9Sstevel@tonic-gate } 105*7c478bd9Sstevel@tonic-gate 106*7c478bd9Sstevel@tonic-gate /* Insert string into the tree; node->child == null. */ 107*7c478bd9Sstevel@tonic-gate while (*str != '\0') { 108*7c478bd9Sstevel@tonic-gate node->child = (t_decode *) malloc(sizeof *node); 109*7c478bd9Sstevel@tonic-gate if (node->child == (t_decode *) 0) { 110*7c478bd9Sstevel@tonic-gate __m_decode_free(&saved); 111*7c478bd9Sstevel@tonic-gate return -1; 112*7c478bd9Sstevel@tonic-gate } 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate node = node->child; 115*7c478bd9Sstevel@tonic-gate node->child = node->sibling = (t_decode *) 0; 116*7c478bd9Sstevel@tonic-gate node->ch = *str++; 117*7c478bd9Sstevel@tonic-gate node->key = 0; 118*7c478bd9Sstevel@tonic-gate } 119*7c478bd9Sstevel@tonic-gate 120*7c478bd9Sstevel@tonic-gate node->key = code; 121*7c478bd9Sstevel@tonic-gate 122*7c478bd9Sstevel@tonic-gate return (int) (str - start); 123*7c478bd9Sstevel@tonic-gate } 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate void 126*7c478bd9Sstevel@tonic-gate __m_decode_free(tree) 127*7c478bd9Sstevel@tonic-gate t_decode **tree; 128*7c478bd9Sstevel@tonic-gate { 129*7c478bd9Sstevel@tonic-gate if (*tree != (t_decode *) 0) { 130*7c478bd9Sstevel@tonic-gate __m_decode_free(&(*tree)->sibling); 131*7c478bd9Sstevel@tonic-gate __m_decode_free(&(*tree)->child); 132*7c478bd9Sstevel@tonic-gate free(*tree); 133*7c478bd9Sstevel@tonic-gate *tree = (t_decode *) 0; 134*7c478bd9Sstevel@tonic-gate } 135*7c478bd9Sstevel@tonic-gate } 136*7c478bd9Sstevel@tonic-gate 137*7c478bd9Sstevel@tonic-gate /*f 138*7c478bd9Sstevel@tonic-gate * Initialise the function key decode tree. 139*7c478bd9Sstevel@tonic-gate */ 140*7c478bd9Sstevel@tonic-gate int 141*7c478bd9Sstevel@tonic-gate __m_decode_init(tree) 142*7c478bd9Sstevel@tonic-gate t_decode **tree; 143*7c478bd9Sstevel@tonic-gate { 144*7c478bd9Sstevel@tonic-gate int max, len; 145*7c478bd9Sstevel@tonic-gate short (*p)[2]; 146*7c478bd9Sstevel@tonic-gate 147*7c478bd9Sstevel@tonic-gate *tree = (t_decode *) 0; 148*7c478bd9Sstevel@tonic-gate 149*7c478bd9Sstevel@tonic-gate for (max = -1, p = __m_keyindex; **p != -1; ++p) { 150*7c478bd9Sstevel@tonic-gate len = decode_add(tree, cur_term->_str[**p], (*p)[1]); 151*7c478bd9Sstevel@tonic-gate if (len < 0) 152*7c478bd9Sstevel@tonic-gate return -1; 153*7c478bd9Sstevel@tonic-gate if (max < len) 154*7c478bd9Sstevel@tonic-gate max = len; 155*7c478bd9Sstevel@tonic-gate } 156*7c478bd9Sstevel@tonic-gate 157*7c478bd9Sstevel@tonic-gate return max; 158*7c478bd9Sstevel@tonic-gate } 159*7c478bd9Sstevel@tonic-gate 160*7c478bd9Sstevel@tonic-gate /*f 161*7c478bd9Sstevel@tonic-gate * When true for a given window, then multibyte function key processing 162*7c478bd9Sstevel@tonic-gate * is done for all input throough that window, see wgetch(). 163*7c478bd9Sstevel@tonic-gate */ 164*7c478bd9Sstevel@tonic-gate int 165*7c478bd9Sstevel@tonic-gate keypad(WINDOW *w, bool bf) 166*7c478bd9Sstevel@tonic-gate { 167*7c478bd9Sstevel@tonic-gate #ifdef M_CURSES_TRACE 168*7c478bd9Sstevel@tonic-gate __m_trace("keypad(%p, %d)", w, bf); 169*7c478bd9Sstevel@tonic-gate #endif 170*7c478bd9Sstevel@tonic-gate 171*7c478bd9Sstevel@tonic-gate w->_flags &= ~W_USE_KEYPAD; 172*7c478bd9Sstevel@tonic-gate 173*7c478bd9Sstevel@tonic-gate if (bf) 174*7c478bd9Sstevel@tonic-gate w->_flags |= W_USE_KEYPAD; 175*7c478bd9Sstevel@tonic-gate 176*7c478bd9Sstevel@tonic-gate return __m_return_code("keypad", OK); 177*7c478bd9Sstevel@tonic-gate } 178*7c478bd9Sstevel@tonic-gate 179