1 | /* |
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2 | * libcaca Colour ASCII-Art library |
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3 | * Copyright (c) 2002-2009 Sam Hocevar <sam@hocevar.net> |
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4 | * 2007 Ben Wiley Sittler <bsittler@gmail.com> |
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5 | * All Rights Reserved |
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6 | * |
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7 | * $Id: ncurses.c 4130 2009-12-14 18:27:49Z sam $ |
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8 | * |
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9 | * This library is free software. It comes without any warranty, to |
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10 | * the extent permitted by applicable law. You can redistribute it |
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11 | * and/or modify it under the terms of the Do What The Fuck You Want |
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12 | * To Public License, Version 2, as published by Sam Hocevar. See |
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13 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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14 | */ |
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15 | |
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16 | /* |
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17 | * This file contains the libcaca Ncurses input and output driver |
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18 | */ |
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19 | |
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20 | #include "config.h" |
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21 | |
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22 | #if defined USE_NCURSES |
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23 | |
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24 | #if defined HAVE_NCURSESW_NCURSES_H |
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25 | # include <ncursesw/ncurses.h> |
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26 | #elif defined HAVE_NCURSES_NCURSES_H |
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27 | # include <ncurses/ncurses.h> |
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28 | #elif defined HAVE_NCURSES_H |
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29 | # include <ncurses.h> |
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30 | #else |
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31 | # include <curses.h> |
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32 | #endif |
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33 | |
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34 | #include <stdlib.h> |
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35 | #include <string.h> |
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36 | |
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37 | #if defined HAVE_UNISTD_H |
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38 | # include <unistd.h> |
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39 | #endif |
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40 | #if defined HAVE_SIGNAL_H |
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41 | # include <signal.h> |
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42 | #endif |
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43 | #if defined HAVE_SYS_IOCTL_H |
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44 | # include <sys/ioctl.h> |
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45 | #endif |
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46 | #if defined HAVE_LOCALE_H |
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47 | # include <locale.h> |
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48 | #endif |
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49 | #if defined HAVE_TERMIOS_H |
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50 | # include <termios.h> |
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51 | #endif |
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52 | |
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53 | #include "caca.h" |
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54 | #include "caca_internals.h" |
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55 | |
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56 | /* |
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57 | * Emulation for missing ACS_* in older curses |
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58 | */ |
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59 | |
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60 | #ifndef ACS_BLOCK |
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61 | #define ACS_BLOCK '#' |
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62 | #endif |
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63 | |
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64 | #ifndef ACS_BOARD |
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65 | #define ACS_BOARD '#' |
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66 | #endif |
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67 | |
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68 | #ifndef ACS_BTEE |
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69 | #define ACS_BTEE '+' |
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70 | #endif |
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71 | |
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72 | #ifndef ACS_BULLET |
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73 | #define ACS_BULLET '.' |
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74 | #endif |
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75 | |
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76 | #ifndef ACS_CKBOARD |
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77 | #define ACS_CKBOARD ':' |
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78 | #endif |
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79 | |
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80 | #ifndef ACS_DARROW |
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81 | #define ACS_DARROW 'v' |
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82 | #endif |
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83 | |
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84 | #ifndef ACS_DEGREE |
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85 | #define ACS_DEGREE '\'' |
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86 | #endif |
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87 | |
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88 | #ifndef ACS_DIAMOND |
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89 | #define ACS_DIAMOND '+' |
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90 | #endif |
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91 | |
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92 | #ifndef ACS_GEQUAL |
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93 | #define ACS_GEQUAL '>' |
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94 | #endif |
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95 | |
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96 | #ifndef ACS_HLINE |
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97 | #define ACS_HLINE '-' |
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98 | #endif |
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99 | |
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100 | #ifndef ACS_LANTERN |
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101 | #define ACS_LANTERN '#' |
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102 | #endif |
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103 | |
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104 | #ifndef ACS_LARROW |
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105 | #define ACS_LARROW '<' |
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106 | #endif |
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107 | |
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108 | #ifndef ACS_LEQUAL |
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109 | #define ACS_LEQUAL '<' |
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110 | #endif |
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111 | |
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112 | #ifndef ACS_LLCORNER |
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113 | #define ACS_LLCORNER '+' |
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114 | #endif |
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115 | |
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116 | #ifndef ACS_LRCORNER |
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117 | #define ACS_LRCORNER '+' |
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118 | #endif |
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119 | |
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120 | #ifndef ACS_LTEE |
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121 | #define ACS_LTEE '+' |
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122 | #endif |
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123 | |
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124 | #ifndef ACS_NEQUAL |
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125 | #define ACS_NEQUAL '!' |
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126 | #endif |
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127 | |
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128 | #ifndef ACS_PI |
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129 | #define ACS_PI '*' |
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130 | #endif |
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131 | |
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132 | #ifndef ACS_STERLING |
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133 | #define ACS_STERLING 'f' |
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134 | #endif |
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135 | |
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136 | #ifndef ACS_PLMINUS |
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137 | #define ACS_PLMINUS '#' |
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138 | #endif |
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139 | |
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140 | #ifndef ACS_PLUS |
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141 | #define ACS_PLUS '+' |
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142 | #endif |
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143 | |
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144 | #ifndef ACS_RARROW |
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145 | #define ACS_RARROW '>' |
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146 | #endif |
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147 | |
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148 | #ifndef ACS_RTEE |
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149 | #define ACS_RTEE '+' |
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150 | #endif |
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151 | |
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152 | #ifndef ACS_S1 |
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153 | #define ACS_S1 '-' |
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154 | #endif |
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155 | |
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156 | #ifndef ACS_S3 |
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157 | #define ACS_S3 '-' |
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158 | #endif |
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159 | |
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160 | #ifndef ACS_S7 |
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161 | #define ACS_S7 '-' |
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162 | #endif |
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163 | |
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164 | #ifndef ACS_S9 |
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165 | #define ACS_S9 '-' |
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166 | #endif |
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167 | |
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168 | #ifndef ACS_TTEE |
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169 | #define ACS_TTEE '+' |
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170 | #endif |
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171 | |
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172 | #ifndef ACS_UARROW |
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173 | #define ACS_UARROW '^' |
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174 | #endif |
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175 | |
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176 | #ifndef ACS_ULCORNER |
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177 | #define ACS_ULCORNER '+' |
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178 | #endif |
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179 | |
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180 | #ifndef ACS_URCORNER |
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181 | #define ACS_URCORNER '+' |
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182 | #endif |
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183 | |
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184 | #ifndef ACS_VLINE |
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185 | #define ACS_VLINE '|' |
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186 | #endif |
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187 | |
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188 | /* |
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189 | * Local functions |
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190 | */ |
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191 | |
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192 | #if defined HAVE_SIGNAL |
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193 | static RETSIGTYPE sigwinch_handler(int); |
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194 | static caca_display_t *sigwinch_d; /* FIXME: we ought to get rid of this */ |
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195 | #endif |
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196 | #if defined HAVE_GETENV && defined HAVE_PUTENV |
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197 | static void ncurses_install_terminal(caca_display_t *); |
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198 | static void ncurses_uninstall_terminal(caca_display_t *); |
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199 | #endif |
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200 | static void ncurses_write_utf32(uint32_t); |
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201 | |
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202 | struct driver_private |
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203 | { |
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204 | int attr[16*16]; |
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205 | mmask_t oldmask; |
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206 | char *term; |
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207 | }; |
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208 | |
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209 | static int ncurses_init_graphics(caca_display_t *dp) |
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210 | { |
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211 | static int curses_colors[] = |
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212 | { |
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213 | /* Standard curses colours */ |
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214 | COLOR_BLACK, |
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215 | COLOR_BLUE, |
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216 | COLOR_GREEN, |
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217 | COLOR_CYAN, |
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218 | COLOR_RED, |
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219 | COLOR_MAGENTA, |
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220 | COLOR_YELLOW, |
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221 | COLOR_WHITE, |
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222 | /* Extra values for xterm-16color */ |
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223 | COLOR_BLACK + 8, |
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224 | COLOR_BLUE + 8, |
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225 | COLOR_GREEN + 8, |
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226 | COLOR_CYAN + 8, |
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227 | COLOR_RED + 8, |
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228 | COLOR_MAGENTA + 8, |
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229 | COLOR_YELLOW + 8, |
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230 | COLOR_WHITE + 8 |
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231 | }; |
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232 | |
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233 | mmask_t newmask; |
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234 | int fg, bg, max; |
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235 | |
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236 | dp->drv.p = malloc(sizeof(struct driver_private)); |
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237 | |
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238 | #if defined HAVE_GETENV && defined HAVE_PUTENV |
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239 | ncurses_install_terminal(dp); |
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240 | #endif |
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241 | |
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242 | #if defined HAVE_SIGNAL |
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243 | sigwinch_d = dp; |
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244 | signal(SIGWINCH, sigwinch_handler); |
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245 | #endif |
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246 | |
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247 | #if defined HAVE_LOCALE_H |
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248 | setlocale(LC_ALL, ""); |
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249 | #endif |
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250 | |
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251 | _caca_set_term_title("caca for ncurses"); |
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252 | |
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253 | initscr(); |
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254 | keypad(stdscr, TRUE); |
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255 | nonl(); |
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256 | raw(); |
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257 | noecho(); |
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258 | nodelay(stdscr, TRUE); |
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259 | curs_set(0); |
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260 | |
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261 | /* Activate mouse */ |
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262 | newmask = REPORT_MOUSE_POSITION | ALL_MOUSE_EVENTS; |
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263 | mousemask(newmask, &dp->drv.p->oldmask); |
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264 | mouseinterval(-1); /* No click emulation */ |
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265 | |
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266 | /* Set the escape delay to a ridiculously low value */ |
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267 | ESCDELAY = 10; |
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268 | |
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269 | /* Activate colour */ |
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270 | start_color(); |
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271 | |
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272 | /* If COLORS == 16, it means the terminal supports full bright colours |
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273 | * using setab and setaf (will use \e[90m \e[91m etc. for colours >= 8), |
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274 | * we can build 16*16 colour pairs. |
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275 | * If COLORS == 8, it means the terminal does not know about bright |
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276 | * colours and we need to get them through A_BOLD and A_BLINK (\e[1m |
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277 | * and \e[5m). We can only build 8*8 colour pairs. */ |
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278 | max = COLORS >= 16 ? 16 : 8; |
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279 | |
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280 | for(bg = 0; bg < max; bg++) |
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281 | for(fg = 0; fg < max; fg++) |
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282 | { |
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283 | /* Use ((max + 7 - fg) % max) instead of fg so that colour 0 |
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284 | * is light gray on black. Some terminals don't like this |
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285 | * colour pair to be redefined. */ |
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286 | int col = ((max + 7 - fg) % max) + max * bg; |
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287 | init_pair(col, curses_colors[fg], curses_colors[bg]); |
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288 | dp->drv.p->attr[fg + 16 * bg] = COLOR_PAIR(col); |
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289 | |
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290 | if(max == 8) |
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291 | { |
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292 | /* Bright fg on simple bg */ |
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293 | dp->drv.p->attr[fg + 8 + 16 * bg] = A_BOLD | COLOR_PAIR(col); |
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294 | /* Simple fg on bright bg */ |
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295 | dp->drv.p->attr[fg + 16 * (bg + 8)] = A_BLINK |
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296 | | COLOR_PAIR(col); |
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297 | /* Bright fg on bright bg */ |
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298 | dp->drv.p->attr[fg + 8 + 16 * (bg + 8)] = A_BLINK | A_BOLD |
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299 | | COLOR_PAIR(col); |
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300 | } |
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301 | } |
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302 | |
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303 | caca_add_dirty_rect(dp->cv, 0, 0, dp->cv->width, dp->cv->height); |
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304 | dp->resize.allow = 1; |
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305 | caca_set_canvas_size(dp->cv, COLS, LINES); |
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306 | dp->resize.allow = 0; |
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307 | |
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308 | return 0; |
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309 | } |
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310 | |
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311 | static int ncurses_end_graphics(caca_display_t *dp) |
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312 | { |
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313 | _caca_set_term_title(""); |
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314 | mousemask(dp->drv.p->oldmask, NULL); |
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315 | curs_set(1); |
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316 | noraw(); |
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317 | endwin(); |
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318 | |
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319 | #if defined HAVE_GETENV && defined HAVE_PUTENV |
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320 | ncurses_uninstall_terminal(dp); |
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321 | #endif |
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322 | |
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323 | free(dp->drv.p); |
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324 | |
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325 | return 0; |
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326 | } |
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327 | |
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328 | static int ncurses_set_display_title(caca_display_t *dp, char const *title) |
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329 | { |
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330 | _caca_set_term_title(title); |
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331 | |
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332 | return 0; |
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333 | } |
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334 | |
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335 | static int ncurses_get_display_width(caca_display_t const *dp) |
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336 | { |
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337 | /* Fallback to a 6x10 font */ |
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338 | return caca_get_canvas_width(dp->cv) * 6; |
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339 | } |
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340 | |
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341 | static int ncurses_get_display_height(caca_display_t const *dp) |
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342 | { |
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343 | /* Fallback to a 6x10 font */ |
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344 | return caca_get_canvas_height(dp->cv) * 10; |
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345 | } |
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346 | |
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347 | static void ncurses_display(caca_display_t *dp) |
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348 | { |
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349 | int x, y, i; |
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350 | |
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351 | for(i = 0; i < caca_get_dirty_rect_count(dp->cv); i++) |
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352 | { |
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353 | uint32_t const *cvchars, *cvattrs; |
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354 | int dx, dy, dw, dh; |
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355 | |
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356 | caca_get_dirty_rect(dp->cv, i, &dx, &dy, &dw, &dh); |
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357 | |
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358 | cvchars = (uint32_t const *)caca_get_canvas_chars(dp->cv) |
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359 | + dx + dy * dp->cv->width; |
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360 | cvattrs = (uint32_t const *)caca_get_canvas_attrs(dp->cv) |
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361 | + dx + dy * dp->cv->width; |
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362 | |
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363 | for(y = dy; y < dy + dh; y++) |
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364 | { |
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365 | move(y, dx); |
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366 | for(x = dx; x < dx + dw; x++) |
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367 | { |
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368 | (void)attrset(dp->drv.p->attr[caca_attr_to_ansi(*cvattrs++)]); |
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369 | ncurses_write_utf32(*cvchars++); |
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370 | } |
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371 | |
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372 | cvchars += dp->cv->width - dw; |
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373 | cvattrs += dp->cv->width - dw; |
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374 | } |
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375 | } |
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376 | |
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377 | x = caca_wherex(dp->cv); |
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378 | y = caca_wherey(dp->cv); |
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379 | move(y, x); |
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380 | |
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381 | refresh(); |
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382 | } |
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383 | |
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384 | static void ncurses_handle_resize(caca_display_t *dp) |
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385 | { |
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386 | struct winsize size; |
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387 | |
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388 | #if defined HAVE_SYS_IOCTL_H |
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389 | if(ioctl(fileno(stdout), TIOCGWINSZ, &size) == 0) |
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390 | { |
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391 | dp->resize.w = size.ws_col; |
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392 | dp->resize.h = size.ws_row; |
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393 | #if defined HAVE_RESIZE_TERM |
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394 | resize_term(dp->resize.h, dp->resize.w); |
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395 | #else |
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396 | resizeterm(dp->resize.h, dp->resize.w); |
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397 | #endif |
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398 | wrefresh(curscr); |
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399 | return; |
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400 | } |
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401 | #endif |
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402 | |
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403 | /* Fallback */ |
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404 | dp->resize.w = caca_get_canvas_width(dp->cv); |
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405 | dp->resize.h = caca_get_canvas_height(dp->cv); |
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406 | } |
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407 | |
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408 | static int ncurses_get_event(caca_display_t *dp, caca_privevent_t *ev) |
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409 | { |
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410 | int intkey; |
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411 | |
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412 | intkey = getch(); |
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413 | if(intkey == ERR) |
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414 | { |
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415 | ev->type = CACA_EVENT_NONE; |
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416 | return 0; |
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417 | } |
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418 | |
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419 | if(intkey < 0x7f) |
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420 | { |
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421 | ev->type = CACA_EVENT_KEY_PRESS; |
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422 | ev->data.key.ch = intkey; |
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423 | ev->data.key.utf32 = intkey; |
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424 | ev->data.key.utf8[0] = intkey; |
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425 | ev->data.key.utf8[1] = '\0'; |
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426 | return 1; |
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427 | } |
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428 | |
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429 | /* If the key was UTF-8, parse the whole sequence */ |
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430 | if(intkey >= 0x80 && intkey < 0x100) |
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431 | { |
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432 | int keys[7]; /* Necessary for ungetch(); */ |
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433 | char utf8[7]; |
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434 | uint32_t utf32; |
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435 | size_t i, bytes = 0; |
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436 | |
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437 | keys[0] = intkey; |
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438 | utf8[0] = intkey; |
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439 | |
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440 | for(i = 1; i < 6; i++) |
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441 | { |
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442 | keys[i] = getch(); |
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443 | utf8[i] = (unsigned char)keys[i]; |
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444 | } |
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445 | |
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446 | utf8[i] = '\0'; |
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447 | utf32 = caca_utf8_to_utf32(utf8, &bytes); |
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448 | |
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449 | while(i > bytes) |
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450 | ungetch(keys[--i]); |
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451 | |
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452 | if(bytes) |
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453 | { |
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454 | ev->type = CACA_EVENT_KEY_PRESS; |
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455 | ev->data.key.ch = 0; |
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456 | ev->data.key.utf32 = utf32; |
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457 | strcpy(ev->data.key.utf8, utf8); |
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458 | return 1; |
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459 | } |
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460 | } |
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461 | |
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462 | if(intkey == KEY_MOUSE) |
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463 | { |
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464 | MEVENT mevent; |
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465 | getmouse(&mevent); |
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466 | |
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467 | switch(mevent.bstate) |
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468 | { |
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469 | #define PRESS(x) ev->data.mouse.button = x; \ |
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470 | ev->type = CACA_EVENT_MOUSE_PRESS; _push_event(dp, ev) |
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471 | #define RELEASE(x) ev->data.mouse.button = x; \ |
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472 | ev->type = CACA_EVENT_MOUSE_RELEASE; _push_event(dp, ev) |
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473 | #define CLICK(x) PRESS(x); RELEASE(x) |
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474 | case BUTTON1_PRESSED: PRESS(1); break; |
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475 | case BUTTON1_RELEASED: RELEASE(1); break; |
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476 | case BUTTON1_CLICKED: CLICK(1); break; |
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477 | case BUTTON1_DOUBLE_CLICKED: CLICK(1); CLICK(1); break; |
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478 | case BUTTON1_TRIPLE_CLICKED: CLICK(1); CLICK(1); CLICK(1); break; |
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479 | case BUTTON1_RESERVED_EVENT: break; |
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480 | |
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481 | case BUTTON2_PRESSED: PRESS(2); break; |
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482 | case BUTTON2_RELEASED: RELEASE(2); break; |
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483 | case BUTTON2_CLICKED: CLICK(2); break; |
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484 | case BUTTON2_DOUBLE_CLICKED: CLICK(2); CLICK(2); break; |
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485 | case BUTTON2_TRIPLE_CLICKED: CLICK(2); CLICK(2); CLICK(2); break; |
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486 | case BUTTON2_RESERVED_EVENT: break; |
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487 | |
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488 | case BUTTON3_PRESSED: PRESS(3); break; |
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489 | case BUTTON3_RELEASED: RELEASE(3); break; |
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490 | case BUTTON3_CLICKED: CLICK(3); break; |
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491 | case BUTTON3_DOUBLE_CLICKED: CLICK(3); CLICK(3); break; |
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492 | case BUTTON3_TRIPLE_CLICKED: CLICK(3); CLICK(3); CLICK(3); break; |
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493 | case BUTTON3_RESERVED_EVENT: break; |
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494 | |
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495 | case BUTTON4_PRESSED: PRESS(4); break; |
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496 | case BUTTON4_RELEASED: RELEASE(4); break; |
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497 | case BUTTON4_CLICKED: CLICK(4); break; |
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498 | case BUTTON4_DOUBLE_CLICKED: CLICK(4); CLICK(4); break; |
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499 | case BUTTON4_TRIPLE_CLICKED: CLICK(4); CLICK(4); CLICK(4); break; |
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500 | case BUTTON4_RESERVED_EVENT: break; |
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501 | |
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502 | default: |
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503 | break; |
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504 | #undef PRESS |
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505 | #undef RELEASE |
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506 | #undef CLICK |
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507 | } |
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508 | |
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509 | if(dp->mouse.x == mevent.x && dp->mouse.y == mevent.y) |
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510 | return _pop_event(dp, ev); |
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511 | |
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512 | dp->mouse.x = mevent.x; |
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513 | dp->mouse.y = mevent.y; |
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514 | |
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515 | ev->type = CACA_EVENT_MOUSE_MOTION; |
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516 | ev->data.mouse.x = dp->mouse.x; |
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517 | ev->data.mouse.y = dp->mouse.y; |
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518 | return 1; |
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519 | } |
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520 | |
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521 | switch(intkey) |
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522 | { |
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523 | case KEY_UP: ev->data.key.ch = CACA_KEY_UP; break; |
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524 | case KEY_DOWN: ev->data.key.ch = CACA_KEY_DOWN; break; |
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525 | case KEY_LEFT: ev->data.key.ch = CACA_KEY_LEFT; break; |
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526 | case KEY_RIGHT: ev->data.key.ch = CACA_KEY_RIGHT; break; |
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527 | |
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528 | case KEY_IC: ev->data.key.ch = CACA_KEY_INSERT; break; |
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529 | case KEY_DC: ev->data.key.ch = CACA_KEY_DELETE; break; |
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530 | case 0x7f: |
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531 | case KEY_BACKSPACE: ev->data.key.ch = CACA_KEY_BACKSPACE; break; |
---|
532 | case KEY_HOME: ev->data.key.ch = CACA_KEY_HOME; break; |
---|
533 | case KEY_END: ev->data.key.ch = CACA_KEY_END; break; |
---|
534 | case KEY_PPAGE: ev->data.key.ch = CACA_KEY_PAGEUP; break; |
---|
535 | case KEY_NPAGE: ev->data.key.ch = CACA_KEY_PAGEDOWN; break; |
---|
536 | |
---|
537 | case KEY_F(1): ev->data.key.ch = CACA_KEY_F1; break; |
---|
538 | case KEY_F(2): ev->data.key.ch = CACA_KEY_F2; break; |
---|
539 | case KEY_F(3): ev->data.key.ch = CACA_KEY_F3; break; |
---|
540 | case KEY_F(4): ev->data.key.ch = CACA_KEY_F4; break; |
---|
541 | case KEY_F(5): ev->data.key.ch = CACA_KEY_F5; break; |
---|
542 | case KEY_F(6): ev->data.key.ch = CACA_KEY_F6; break; |
---|
543 | case KEY_F(7): ev->data.key.ch = CACA_KEY_F7; break; |
---|
544 | case KEY_F(8): ev->data.key.ch = CACA_KEY_F8; break; |
---|
545 | case KEY_F(9): ev->data.key.ch = CACA_KEY_F9; break; |
---|
546 | case KEY_F(10): ev->data.key.ch = CACA_KEY_F10; break; |
---|
547 | case KEY_F(11): ev->data.key.ch = CACA_KEY_F11; break; |
---|
548 | case KEY_F(12): ev->data.key.ch = CACA_KEY_F12; break; |
---|
549 | |
---|
550 | default: |
---|
551 | /* Unknown key */ |
---|
552 | ev->type = CACA_EVENT_NONE; return 0; |
---|
553 | } |
---|
554 | |
---|
555 | ev->type = CACA_EVENT_KEY_PRESS; |
---|
556 | ev->data.key.utf32 = 0; |
---|
557 | ev->data.key.utf8[0] = '\0'; |
---|
558 | return 1; |
---|
559 | } |
---|
560 | |
---|
561 | static void ncurses_set_cursor(caca_display_t *dp, int flags) |
---|
562 | { |
---|
563 | curs_set(flags ? 2 : 0); |
---|
564 | } |
---|
565 | |
---|
566 | /* |
---|
567 | * XXX: following functions are local |
---|
568 | */ |
---|
569 | |
---|
570 | #if defined HAVE_SIGNAL |
---|
571 | static RETSIGTYPE sigwinch_handler(int sig) |
---|
572 | { |
---|
573 | sigwinch_d->resize.resized = 1; |
---|
574 | |
---|
575 | signal(SIGWINCH, sigwinch_handler); |
---|
576 | } |
---|
577 | #endif |
---|
578 | |
---|
579 | #if defined HAVE_GETENV && defined HAVE_PUTENV |
---|
580 | static void ncurses_install_terminal(caca_display_t *dp) |
---|
581 | { |
---|
582 | char *term, *colorterm; |
---|
583 | |
---|
584 | dp->drv.p->term = NULL; |
---|
585 | |
---|
586 | term = getenv("TERM"); |
---|
587 | colorterm = getenv("COLORTERM"); |
---|
588 | |
---|
589 | if(!term || strcmp(term, "xterm")) |
---|
590 | return; |
---|
591 | |
---|
592 | /* If we are using gnome-terminal, it's really a 16 colour terminal. |
---|
593 | * Ditto if we are using xfce4-terminal, or Konsole. */ |
---|
594 | if((colorterm && (!strcmp(colorterm, "gnome-terminal") |
---|
595 | || !strcmp(colorterm, "Terminal"))) |
---|
596 | || getenv("KONSOLE_DCOP_SESSION")) |
---|
597 | { |
---|
598 | SCREEN *screen; |
---|
599 | screen = newterm("xterm-16color", stdout, stdin); |
---|
600 | if(screen == NULL) |
---|
601 | return; |
---|
602 | endwin(); |
---|
603 | (void)putenv("TERM=xterm-16color"); |
---|
604 | dp->drv.p->term = strdup(term); |
---|
605 | return; |
---|
606 | } |
---|
607 | } |
---|
608 | |
---|
609 | static void ncurses_uninstall_terminal(caca_display_t *dp) |
---|
610 | { |
---|
611 | /* Needs to be persistent because we use putenv() */ |
---|
612 | static char termenv[1024]; |
---|
613 | |
---|
614 | if(!dp->drv.p->term) |
---|
615 | return; |
---|
616 | |
---|
617 | snprintf(termenv, 1023, "TERM=%s", dp->drv.p->term); |
---|
618 | free(dp->drv.p->term); |
---|
619 | (void)putenv(termenv); |
---|
620 | } |
---|
621 | #endif |
---|
622 | |
---|
623 | static void ncurses_write_utf32(uint32_t ch) |
---|
624 | { |
---|
625 | #if defined HAVE_NCURSESW_NCURSES_H |
---|
626 | char buf[10]; |
---|
627 | int bytes; |
---|
628 | #endif |
---|
629 | |
---|
630 | if(ch == CACA_MAGIC_FULLWIDTH) |
---|
631 | return; |
---|
632 | |
---|
633 | #if defined HAVE_NCURSESW_NCURSES_H |
---|
634 | bytes = caca_utf32_to_utf8(buf, ch); |
---|
635 | buf[bytes] = '\0'; |
---|
636 | addstr(buf); |
---|
637 | #else |
---|
638 | if(ch < 0x80) |
---|
639 | { |
---|
640 | addch(ch); |
---|
641 | } |
---|
642 | else |
---|
643 | { |
---|
644 | chtype cch; |
---|
645 | chtype cch2; |
---|
646 | |
---|
647 | cch = '?'; |
---|
648 | cch2 = ' '; |
---|
649 | if ((ch > 0x0000ff00) && (ch < 0x0000ff5f)) |
---|
650 | { |
---|
651 | cch = ch - 0x0000ff00 + ' '; |
---|
652 | } |
---|
653 | switch (ch) |
---|
654 | { |
---|
655 | case 0x000000a0: /* <nbsp> */ |
---|
656 | case 0x00003000: /* */ |
---|
657 | cch = ' '; |
---|
658 | break; |
---|
659 | case 0x000000a3: /* £ */ |
---|
660 | cch = ACS_STERLING; |
---|
661 | break; |
---|
662 | case 0x000000b0: /* ° */ |
---|
663 | cch = ACS_DEGREE; |
---|
664 | break; |
---|
665 | case 0x000000b1: /* ± */ |
---|
666 | cch = ACS_PLMINUS; |
---|
667 | break; |
---|
668 | case 0x000000b7: /* · */ |
---|
669 | case 0x00002219: /* ∙ */ |
---|
670 | case 0x000030fb: /* ・ */ |
---|
671 | cch = ACS_BULLET; |
---|
672 | break; |
---|
673 | case 0x000003c0: /* π */ |
---|
674 | cch = ACS_PI; |
---|
675 | break; |
---|
676 | case 0x00002018: /* ‘ */ |
---|
677 | case 0x00002019: /* ’ */ |
---|
678 | cch = '\''; |
---|
679 | break; |
---|
680 | case 0x0000201c: /* “ */ |
---|
681 | case 0x0000201d: /* ” */ |
---|
682 | cch = '"'; |
---|
683 | break; |
---|
684 | case 0x00002190: /* ← */ |
---|
685 | cch = ACS_LARROW; |
---|
686 | break; |
---|
687 | case 0x00002191: /* ↑ */ |
---|
688 | cch = ACS_UARROW; |
---|
689 | break; |
---|
690 | case 0x00002192: /* → */ |
---|
691 | cch = ACS_RARROW; |
---|
692 | break; |
---|
693 | case 0x00002193: /* ↓ */ |
---|
694 | cch = ACS_DARROW; |
---|
695 | break; |
---|
696 | case 0x00002260: /* ≠ */ |
---|
697 | cch = ACS_NEQUAL; |
---|
698 | break; |
---|
699 | case 0x00002261: /* ≡ */ |
---|
700 | cch = '='; |
---|
701 | break; |
---|
702 | case 0x00002264: /* ≤ */ |
---|
703 | cch = ACS_LEQUAL; |
---|
704 | break; |
---|
705 | case 0x00002265: /* ≥ */ |
---|
706 | cch = ACS_GEQUAL; |
---|
707 | break; |
---|
708 | case 0x000023ba: /* ⎺ */ |
---|
709 | cch = ACS_S1; |
---|
710 | cch2 = cch; |
---|
711 | break; |
---|
712 | case 0x000023bb: /* ⎻ */ |
---|
713 | cch = ACS_S3; |
---|
714 | cch2 = cch; |
---|
715 | break; |
---|
716 | case 0x000023bc: /* ⎼ */ |
---|
717 | cch = ACS_S7; |
---|
718 | cch2 = cch; |
---|
719 | break; |
---|
720 | case 0x000023bd: /* ⎽ */ |
---|
721 | cch = ACS_S9; |
---|
722 | cch2 = cch; |
---|
723 | break; |
---|
724 | case 0x00002500: /* ─ */ |
---|
725 | case 0x00002550: /* ═ */ |
---|
726 | cch = ACS_HLINE; |
---|
727 | cch2 = cch; |
---|
728 | break; |
---|
729 | case 0x00002502: /* │ */ |
---|
730 | case 0x00002551: /* ║ */ |
---|
731 | cch = ACS_VLINE; |
---|
732 | break; |
---|
733 | case 0x0000250c: /* ┌ */ |
---|
734 | case 0x00002552: /* ╒ */ |
---|
735 | case 0x00002553: /* ╓ */ |
---|
736 | case 0x00002554: /* ╔ */ |
---|
737 | cch = ACS_ULCORNER; |
---|
738 | cch2 = ACS_HLINE; |
---|
739 | break; |
---|
740 | case 0x00002510: /* ┐ */ |
---|
741 | case 0x00002555: /* ╕ */ |
---|
742 | case 0x00002556: /* ╖ */ |
---|
743 | case 0x00002557: /* ╗ */ |
---|
744 | cch = ACS_URCORNER; |
---|
745 | break; |
---|
746 | case 0x00002514: /* └ */ |
---|
747 | case 0x00002558: /* ╘ */ |
---|
748 | case 0x00002559: /* ╙ */ |
---|
749 | case 0x0000255a: /* ╚ */ |
---|
750 | cch = ACS_LLCORNER; |
---|
751 | cch2 = ACS_HLINE; |
---|
752 | break; |
---|
753 | case 0x00002518: /* ┘ */ |
---|
754 | case 0x0000255b: /* ╛ */ |
---|
755 | case 0x0000255c: /* ╜ */ |
---|
756 | case 0x0000255d: /* ╝ */ |
---|
757 | cch = ACS_LRCORNER; |
---|
758 | break; |
---|
759 | case 0x0000251c: /* ├ */ |
---|
760 | case 0x0000255e: /* ╞ */ |
---|
761 | case 0x0000255f: /* ╟ */ |
---|
762 | case 0x00002560: /* ╠ */ |
---|
763 | cch = ACS_LTEE; |
---|
764 | cch2 = ACS_HLINE; |
---|
765 | break; |
---|
766 | case 0x00002524: /* ┤ */ |
---|
767 | case 0x00002561: /* ╡ */ |
---|
768 | case 0x00002562: /* ╢ */ |
---|
769 | case 0x00002563: /* ╣ */ |
---|
770 | cch = ACS_RTEE; |
---|
771 | break; |
---|
772 | case 0x0000252c: /* ┬ */ |
---|
773 | case 0x00002564: /* ╤ */ |
---|
774 | case 0x00002565: /* ╥ */ |
---|
775 | case 0x00002566: /* ╦ */ |
---|
776 | cch = ACS_TTEE; |
---|
777 | cch2 = ACS_HLINE; |
---|
778 | break; |
---|
779 | case 0x00002534: /* ┴ */ |
---|
780 | case 0x00002567: /* ╧ */ |
---|
781 | case 0x00002568: /* ╨ */ |
---|
782 | case 0x00002569: /* ╩ */ |
---|
783 | cch = ACS_BTEE; |
---|
784 | cch2 = ACS_HLINE; |
---|
785 | break; |
---|
786 | case 0x0000253c: /* ┼ */ |
---|
787 | case 0x0000256a: /* ╪ */ |
---|
788 | case 0x0000256b: /* ╫ */ |
---|
789 | case 0x0000256c: /* ╬ */ |
---|
790 | cch = ACS_PLUS; |
---|
791 | cch2 = ACS_HLINE; |
---|
792 | break; |
---|
793 | case 0x00002591: /* ░ */ |
---|
794 | cch = ACS_BOARD; |
---|
795 | cch2 = cch; |
---|
796 | break; |
---|
797 | case 0x00002592: /* ▒ */ |
---|
798 | case 0x00002593: /* ▓ */ |
---|
799 | cch = ACS_CKBOARD; |
---|
800 | cch2 = cch; |
---|
801 | break; |
---|
802 | case 0x00002580: /* ▀ */ |
---|
803 | case 0x00002584: /* ▄ */ |
---|
804 | case 0x00002588: /* █ */ |
---|
805 | case 0x0000258c: /* ▌ */ |
---|
806 | case 0x00002590: /* ▐ */ |
---|
807 | case 0x000025a0: /* ■ */ |
---|
808 | case 0x000025ac: /* ▬ */ |
---|
809 | case 0x000025ae: /* ▮ */ |
---|
810 | cch = ACS_BLOCK; |
---|
811 | cch2 = cch; |
---|
812 | break; |
---|
813 | case 0x000025c6: /* ◆ */ |
---|
814 | case 0x00002666: /* ♦ */ |
---|
815 | cch = ACS_DIAMOND; |
---|
816 | break; |
---|
817 | case 0x00002022: /* • */ |
---|
818 | case 0x000025cb: /* ○ */ |
---|
819 | case 0x000025cf: /* ● */ |
---|
820 | case 0x00002603: /* ☃ */ |
---|
821 | case 0x0000263c: /* ☼ */ |
---|
822 | cch = ACS_LANTERN; |
---|
823 | break; |
---|
824 | case 0x0000301c: /* 〜 */ |
---|
825 | cch = '~'; |
---|
826 | break; |
---|
827 | } |
---|
828 | addch(cch); |
---|
829 | if(caca_utf32_is_fullwidth(ch)) |
---|
830 | { |
---|
831 | addch(cch2); |
---|
832 | } |
---|
833 | } |
---|
834 | #endif |
---|
835 | } |
---|
836 | |
---|
837 | /* |
---|
838 | * Driver initialisation |
---|
839 | */ |
---|
840 | |
---|
841 | int ncurses_install(caca_display_t *dp) |
---|
842 | { |
---|
843 | dp->drv.id = CACA_DRIVER_NCURSES; |
---|
844 | dp->drv.driver = "ncurses"; |
---|
845 | |
---|
846 | dp->drv.init_graphics = ncurses_init_graphics; |
---|
847 | dp->drv.end_graphics = ncurses_end_graphics; |
---|
848 | dp->drv.set_display_title = ncurses_set_display_title; |
---|
849 | dp->drv.get_display_width = ncurses_get_display_width; |
---|
850 | dp->drv.get_display_height = ncurses_get_display_height; |
---|
851 | dp->drv.display = ncurses_display; |
---|
852 | dp->drv.handle_resize = ncurses_handle_resize; |
---|
853 | dp->drv.get_event = ncurses_get_event; |
---|
854 | dp->drv.set_mouse = NULL; |
---|
855 | dp->drv.set_cursor = ncurses_set_cursor; |
---|
856 | |
---|
857 | return 0; |
---|
858 | } |
---|
859 | |
---|
860 | #endif /* USE_NCURSES */ |
---|
861 | |
---|