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| 1 | +/*---------------------------------------------------------------------------- | |
| 2 | + ChucK Concurrent, On-the-fly Audio Programming Language | |
| 3 | + Compiler and Virtual Machine | |
| 4 | + | |
| 5 | + Copyright (c) 2004 Ge Wang and Perry R. Cook. All rights reserved. | |
| 6 | + http://chuck.stanford.edu/ | |
| 7 | + http://chuck.cs.princeton.edu/ | |
| 8 | + | |
| 9 | + This program is free software; you can redistribute it and/or modify | |
| 10 | + it under the terms of the GNU General Public License as published by | |
| 11 | + the Free Software Foundation; either version 2 of the License, or | |
| 12 | + (at your option) any later version. | |
| 13 | + | |
| 14 | + This program is distributed in the hope that it will be useful, | |
| 15 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | + GNU General Public License for more details. | |
| 18 | + | |
| 19 | + You should have received a copy of the GNU General Public License | |
| 20 | + along with this program; if not, write to the Free Software | |
| 21 | + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 22 | + U.S.A. | |
| 23 | +-----------------------------------------------------------------------------*/ | |
| 24 | + | |
| 25 | +//----------------------------------------------------------------------------- | |
| 26 | +// file: util_console.cpp | |
| 27 | +// desc: utility for console I/O | |
| 28 | +// | |
| 29 | +// author: Spencer Salazar (spencer@ccrma.stanford.edu) | |
| 30 | +// date: Autumn 2005 | |
| 31 | +//----------------------------------------------------------------------------- | |
| 32 | +#include "util_console.h" | |
| 33 | +#include "chuck_errmsg.h" | |
| 34 | +#include <stdio.h> | |
| 35 | +#ifdef __USE_READLINE__ | |
| 36 | + #include <readline/readline.h> | |
| 37 | +#else | |
| 38 | + #include <stdlib.h> | |
| 39 | + #define CONSOLE_INPUT_BUFFER_SIZE 255 | |
| 40 | +#endif | |
| 41 | + | |
| 42 | +char * io_readline( const char * prompt ) | |
| 43 | +{ | |
| 44 | +#ifdef __USE_READLINE__ | |
| 45 | + | |
| 46 | + // call the real readline | |
| 47 | + return readline( prompt ); | |
| 48 | + | |
| 49 | +#else | |
| 50 | + | |
| 51 | + // insert our hack | |
| 52 | + char * buf=(char *)malloc( CONSOLE_INPUT_BUFFER_SIZE * sizeof(char) ); | |
| 53 | + char * result; | |
| 54 | + | |
| 55 | + fputs( prompt, stdout ); | |
| 56 | + | |
| 57 | + result = fgets( buf, CONSOLE_INPUT_BUFFER_SIZE, stdin ); | |
| 58 | + | |
| 59 | + if( result == NULL ) | |
| 60 | + { | |
| 61 | + free( buf ); | |
| 62 | + return NULL; | |
| 63 | + } | |
| 64 | + | |
| 65 | + for( int i=0; i < CONSOLE_INPUT_BUFFER_SIZE; i++ ) | |
| 66 | + if(buf[i] == '\n' ) | |
| 67 | + { | |
| 68 | + buf[i] = 0; | |
| 69 | + break; | |
| 70 | + } | |
| 71 | + | |
| 72 | + return buf; | |
| 73 | + | |
| 74 | +#endif | |
| 75 | +} | |
| 76 | + | |
| 77 | +void io_addhistory( const char * addme ) | |
| 78 | +{ | |
| 79 | +#ifdef __USE_READLINE__ | |
| 80 | + | |
| 81 | + add_history( addme ); | |
| 82 | + | |
| 83 | +#else | |
| 84 | + | |
| 85 | + //do nothing | |
| 86 | + | |
| 87 | +#endif | |
| 88 | +} | |
| 89 | + | |
| 90 | + | |
| 91 | +// code thanks to Luke Lin (wdlin@CCCA.NCTU.edu.tw) | |
| 92 | +// kb hit | |
| 93 | +#ifndef __PLATFORM_WIN32__ | |
| 94 | + #include <string.h> | |
| 95 | +#ifdef __PLATFORM_MACOSX__ | |
| 96 | + #include <termios.h> | |
| 97 | + static struct termios g_save; | |
| 98 | +#else | |
| 99 | + #include <termio.h> | |
| 100 | + static struct termio g_save; | |
| 101 | +#endif | |
| 102 | + | |
| 103 | + #include <unistd.h> | |
| 104 | + #include <sys/ioctl.h> | |
| 105 | +#else | |
| 106 | + #include <conio.h> | |
| 107 | +#endif | |
| 108 | + | |
| 109 | + | |
| 110 | +// global | |
| 111 | +static t_CKINT g_c; | |
| 112 | +static t_CKBOOL g_init; | |
| 113 | + | |
| 114 | + | |
| 115 | +// on entering mode | |
| 116 | +t_CKBOOL kb_initscr() | |
| 117 | +{ | |
| 118 | + if( g_init ) return FALSE; | |
| 119 | + | |
| 120 | +#ifndef __PLATFORM_WIN32__ | |
| 121 | + | |
| 122 | +#ifdef __PLATFORM_MACOSX__ | |
| 123 | + struct termios term; | |
| 124 | + if( ioctl( 0, TIOCGETA, &term ) == -1 ) | |
| 125 | +#else | |
| 126 | + struct termio term; | |
| 127 | + if( ioctl( 0, TCGETA, &term ) == -1 ) | |
| 128 | +#endif | |
| 129 | + { | |
| 130 | + EM_log( CK_LOG_SEVERE, "(kbhit disabled): standard input not a tty!"); | |
| 131 | + return FALSE; | |
| 132 | + } | |
| 133 | + | |
| 134 | + // log | |
| 135 | + EM_log( CK_LOG_INFO, "starting kb hit immediate mode..." ); | |
| 136 | + | |
| 137 | + g_save = term; | |
| 138 | + | |
| 139 | + term.c_lflag &= ~ICANON; | |
| 140 | + term.c_lflag &= ~ECHO; | |
| 141 | + | |
| 142 | + term.c_cc[VMIN] = 0; | |
| 143 | + term.c_cc[VTIME]=0; | |
| 144 | + | |
| 145 | +#ifdef __PLATFORM_MACOSX__ | |
| 146 | + ioctl( 0, TIOCSETA, &term ); | |
| 147 | +#else | |
| 148 | + ioctl( 0, TCSETA, &term ); | |
| 149 | +#endif | |
| 150 | + | |
| 151 | +#endif | |
| 152 | + | |
| 153 | + g_init = TRUE; | |
| 154 | + return TRUE; | |
| 155 | +} | |
| 156 | + | |
| 157 | + | |
| 158 | +// on exit | |
| 159 | +void kb_endwin() | |
| 160 | +{ | |
| 161 | + if( !g_init ) return; | |
| 162 | + | |
| 163 | +#ifndef __PLATFORM_WIN32__ | |
| 164 | +#ifdef __PLATFORM_MACOSX__ | |
| 165 | + ioctl( 0, TIOCSETA, &g_save ); | |
| 166 | +#else | |
| 167 | + ioctl( 0, TCSETA, &g_save ); | |
| 168 | +#endif | |
| 169 | +#endif | |
| 170 | + | |
| 171 | + g_init = FALSE; | |
| 172 | +} | |
| 173 | + | |
| 174 | + | |
| 175 | +// hit | |
| 176 | +t_CKINT kb_hit() | |
| 177 | +{ | |
| 178 | +#ifndef __PLATFORM_WIN32__ | |
| 179 | + int ifkeyin; | |
| 180 | + char c; | |
| 181 | + ifkeyin = read( 0, &c, 1 ); | |
| 182 | + g_c = (t_CKINT)c; | |
| 183 | + | |
| 184 | + // log | |
| 185 | + EM_log( CK_LOG_FINE, "kb hit! %i : %c", ifkeyin, c ); | |
| 186 | + | |
| 187 | + return (ifkeyin); | |
| 188 | +#else | |
| 189 | + return (t_CKINT)kbhit(); | |
| 190 | +#endif | |
| 191 | +} | |
| 192 | + | |
| 193 | + | |
| 194 | +// get | |
| 195 | +t_CKINT kb_getch() | |
| 196 | +{ | |
| 197 | +#ifndef __PLATFORM_WIN32__ | |
| 198 | + return g_c; | |
| 199 | +#else | |
| 200 | + return (t_CKINT)::getch(); | |
| 201 | +#endif | |
| 202 | +} | |
| 203 | + | |
| 204 | + | |
| 205 | +// ready | |
| 206 | +t_CKBOOL kb_ready() | |
| 207 | +{ | |
| 208 | + return g_init; | |
| 209 | +} | |
| 210 | + | |