Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 1 | /**************************************************************************** |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 2 | * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc. * |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 3 | * * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a * |
| 5 | * copy of this software and associated documentation files (the * |
| 6 | * "Software"), to deal in the Software without restriction, including * |
| 7 | * without limitation the rights to use, copy, modify, merge, publish, * |
| 8 | * distribute, distribute with modifications, sublicense, and/or sell * |
| 9 | * copies of the Software, and to permit persons to whom the Software is * |
| 10 | * furnished to do so, subject to the following conditions: * |
| 11 | * * |
| 12 | * The above copyright notice and this permission notice shall be included * |
| 13 | * in all copies or substantial portions of the Software. * |
| 14 | * * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
| 16 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
| 18 | * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
| 21 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
| 22 | * * |
| 23 | * Except as contained in this notice, the name(s) of the above copyright * |
| 24 | * holders shall not be used in advertising or otherwise to promote the * |
| 25 | * sale, use or other dealings in this Software without prior written * |
| 26 | * authorization. * |
| 27 | ****************************************************************************/ |
| 28 | |
| 29 | /**************************************************************************** |
| 30 | * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * |
| 31 | * and: Eric S. Raymond <esr@snark.thyrsus.com> * |
| 32 | * and: Thomas E. Dickey 1996-on * |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 33 | * and: Juergen Pfeifer 2008 * |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 34 | ****************************************************************************/ |
| 35 | |
| 36 | #include <curses.priv.h> |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 37 | |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 38 | #ifndef CUR |
| 39 | #define CUR SP_TERMTYPE |
| 40 | #endif |
| 41 | |
| 42 | MODULE_ID("$Id: lib_acs.c,v 1.45 2014/03/08 20:32:59 tom Exp $") |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 43 | |
| 44 | #if BROKEN_LINKER || USE_REENTRANT |
| 45 | #define MyBuffer _nc_prescreen.real_acs_map |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 46 | NCURSES_EXPORT(chtype *) |
| 47 | NCURSES_PUBLIC_VAR(acs_map) (void) |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 48 | { |
| 49 | if (MyBuffer == 0) |
| 50 | MyBuffer = typeCalloc(chtype, ACS_LEN); |
| 51 | return MyBuffer; |
| 52 | } |
| 53 | #undef MyBuffer |
| 54 | #else |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 55 | NCURSES_EXPORT_VAR (chtype) acs_map[ACS_LEN] = |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 56 | { |
| 57 | 0 |
| 58 | }; |
| 59 | #endif |
| 60 | |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 61 | #ifdef USE_TERM_DRIVER |
| 62 | NCURSES_EXPORT(chtype) |
| 63 | NCURSES_SP_NAME(_nc_acs_char) (NCURSES_SP_DCLx int c) |
| 64 | { |
| 65 | chtype *map; |
| 66 | if (c < 0 || c >= ACS_LEN) |
| 67 | return (chtype) 0; |
| 68 | map = (SP_PARM != 0) ? SP_PARM->_acs_map : |
| 69 | #if BROKEN_LINKER || USE_REENTRANT |
| 70 | _nc_prescreen.real_acs_map |
| 71 | #else |
| 72 | acs_map |
| 73 | #endif |
| 74 | ; |
| 75 | return map[c]; |
| 76 | } |
| 77 | #endif /* USE_TERM_DRIVER */ |
| 78 | |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 79 | NCURSES_EXPORT(void) |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 80 | NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_DCL0) |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 81 | { |
| 82 | chtype *fake_map = acs_map; |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 83 | chtype *real_map = SP_PARM != 0 ? SP_PARM->_acs_map : fake_map; |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 84 | int j; |
| 85 | |
| 86 | T(("initializing ACS map")); |
| 87 | |
| 88 | /* |
| 89 | * If we're using this from curses (rather than terminfo), we are storing |
| 90 | * the mapping information in the SCREEN struct so we can decide how to |
| 91 | * render it. |
| 92 | */ |
| 93 | if (real_map != fake_map) { |
| 94 | for (j = 1; j < ACS_LEN; ++j) { |
| 95 | real_map[j] = 0; |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 96 | fake_map[j] = A_ALTCHARSET | (chtype) j; |
| 97 | if (SP_PARM) |
| 98 | SP_PARM->_screen_acs_map[j] = FALSE; |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 99 | } |
| 100 | } else { |
| 101 | for (j = 1; j < ACS_LEN; ++j) { |
| 102 | real_map[j] = 0; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | /* |
| 107 | * Initializations for a UNIX-like multi-terminal environment. Use |
| 108 | * ASCII chars and count on the terminfo description to do better. |
| 109 | */ |
| 110 | real_map['l'] = '+'; /* should be upper left corner */ |
| 111 | real_map['m'] = '+'; /* should be lower left corner */ |
| 112 | real_map['k'] = '+'; /* should be upper right corner */ |
| 113 | real_map['j'] = '+'; /* should be lower right corner */ |
| 114 | real_map['u'] = '+'; /* should be tee pointing left */ |
| 115 | real_map['t'] = '+'; /* should be tee pointing right */ |
| 116 | real_map['v'] = '+'; /* should be tee pointing up */ |
| 117 | real_map['w'] = '+'; /* should be tee pointing down */ |
| 118 | real_map['q'] = '-'; /* should be horizontal line */ |
| 119 | real_map['x'] = '|'; /* should be vertical line */ |
| 120 | real_map['n'] = '+'; /* should be large plus or crossover */ |
| 121 | real_map['o'] = '~'; /* should be scan line 1 */ |
| 122 | real_map['s'] = '_'; /* should be scan line 9 */ |
| 123 | real_map['`'] = '+'; /* should be diamond */ |
| 124 | real_map['a'] = ':'; /* should be checker board (stipple) */ |
| 125 | real_map['f'] = '\''; /* should be degree symbol */ |
| 126 | real_map['g'] = '#'; /* should be plus/minus */ |
| 127 | real_map['~'] = 'o'; /* should be bullet */ |
| 128 | real_map[','] = '<'; /* should be arrow pointing left */ |
| 129 | real_map['+'] = '>'; /* should be arrow pointing right */ |
| 130 | real_map['.'] = 'v'; /* should be arrow pointing down */ |
| 131 | real_map['-'] = '^'; /* should be arrow pointing up */ |
| 132 | real_map['h'] = '#'; /* should be board of squares */ |
| 133 | real_map['i'] = '#'; /* should be lantern symbol */ |
| 134 | real_map['0'] = '#'; /* should be solid square block */ |
| 135 | /* these defaults were invented for ncurses */ |
| 136 | real_map['p'] = '-'; /* should be scan line 3 */ |
| 137 | real_map['r'] = '-'; /* should be scan line 7 */ |
| 138 | real_map['y'] = '<'; /* should be less-than-or-equal-to */ |
| 139 | real_map['z'] = '>'; /* should be greater-than-or-equal-to */ |
| 140 | real_map['{'] = '*'; /* should be greek pi */ |
| 141 | real_map['|'] = '!'; /* should be not-equal */ |
| 142 | real_map['}'] = 'f'; /* should be pound-sterling symbol */ |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 143 | /* thick-line-drawing */ |
| 144 | real_map['L'] = '+'; /* upper left corner */ |
| 145 | real_map['M'] = '+'; /* lower left corner */ |
| 146 | real_map['K'] = '+'; /* upper right corner */ |
| 147 | real_map['J'] = '+'; /* lower right corner */ |
| 148 | real_map['T'] = '+'; /* tee pointing left */ |
| 149 | real_map['U'] = '+'; /* tee pointing right */ |
| 150 | real_map['V'] = '+'; /* tee pointing up */ |
| 151 | real_map['W'] = '+'; /* tee pointing down */ |
| 152 | real_map['Q'] = '-'; /* horizontal line */ |
| 153 | real_map['X'] = '|'; /* vertical line */ |
| 154 | real_map['N'] = '+'; /* large plus or crossover */ |
| 155 | /* double-line-drawing */ |
| 156 | real_map['C'] = '+'; /* upper left corner */ |
| 157 | real_map['D'] = '+'; /* lower left corner */ |
| 158 | real_map['B'] = '+'; /* upper right corner */ |
| 159 | real_map['A'] = '+'; /* lower right corner */ |
| 160 | real_map['G'] = '+'; /* tee pointing left */ |
| 161 | real_map['F'] = '+'; /* tee pointing right */ |
| 162 | real_map['H'] = '+'; /* tee pointing up */ |
| 163 | real_map['I'] = '+'; /* tee pointing down */ |
| 164 | real_map['R'] = '-'; /* horizontal line */ |
| 165 | real_map['Y'] = '|'; /* vertical line */ |
| 166 | real_map['E'] = '+'; /* large plus or crossover */ |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 167 | |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 168 | #ifdef USE_TERM_DRIVER |
| 169 | CallDriver_2(SP_PARM, td_initacs, real_map, fake_map); |
| 170 | #else |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 171 | if (ena_acs != NULL) { |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 172 | NCURSES_PUTP2("ena_acs", ena_acs); |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 173 | } |
| 174 | #if NCURSES_EXT_FUNCS |
| 175 | /* |
| 176 | * Linux console "supports" the "PC ROM" character set by the coincidence |
| 177 | * that smpch/rmpch and smacs/rmacs have the same values. ncurses has |
| 178 | * no codepage support (see SCO Merge for an example). Outside of the |
| 179 | * values defined in acsc, there are no definitions for the "PC ROM" |
| 180 | * character set (assumed by some applications to be codepage 437), but we |
| 181 | * allow those applications to use those codepoints. |
| 182 | * |
| 183 | * test/blue.c uses this feature. |
| 184 | */ |
| 185 | #define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b)) |
| 186 | if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) && |
| 187 | PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) { |
| 188 | size_t i; |
| 189 | for (i = 1; i < ACS_LEN; ++i) { |
| 190 | if (real_map[i] == 0) { |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 191 | real_map[i] = (chtype) i; |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 192 | if (real_map != fake_map) { |
| 193 | if (SP != 0) |
| 194 | SP->_screen_acs_map[i] = TRUE; |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | #endif |
| 200 | |
| 201 | if (acs_chars != NULL) { |
| 202 | size_t i = 0; |
| 203 | size_t length = strlen(acs_chars); |
| 204 | |
| 205 | while (i + 1 < length) { |
| 206 | if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) { |
| 207 | real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET; |
| 208 | if (SP != 0) |
| 209 | SP->_screen_acs_map[UChar(acs_chars[i])] = TRUE; |
| 210 | } |
| 211 | i += 2; |
| 212 | } |
| 213 | } |
| 214 | #ifdef TRACE |
| 215 | /* Show the equivalent mapping, noting if it does not match the |
| 216 | * given attribute, whether by re-ordering or duplication. |
| 217 | */ |
| 218 | if (USE_TRACEF(TRACE_CALLS)) { |
| 219 | size_t n, m; |
| 220 | char show[ACS_LEN * 2 + 1]; |
| 221 | for (n = 1, m = 0; n < ACS_LEN; n++) { |
| 222 | if (real_map[n] != 0) { |
| 223 | show[m++] = (char) n; |
| 224 | show[m++] = (char) ChCharOf(real_map[n]); |
| 225 | } |
| 226 | } |
| 227 | show[m] = 0; |
| 228 | if (acs_chars == NULL || strcmp(acs_chars, show)) |
| 229 | _tracef("%s acs_chars %s", |
| 230 | (acs_chars == NULL) ? "NULL" : "READ", |
| 231 | _nc_visbuf(acs_chars)); |
| 232 | _tracef("%s acs_chars %s", |
| 233 | (acs_chars == NULL) |
| 234 | ? "NULL" |
| 235 | : (strcmp(acs_chars, show) |
| 236 | ? "DIFF" |
| 237 | : "SAME"), |
| 238 | _nc_visbuf(show)); |
| 239 | _nc_unlock_global(tracef); |
| 240 | } |
| 241 | #endif /* TRACE */ |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 242 | #endif |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 243 | } |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame^] | 244 | |
| 245 | #if NCURSES_SP_FUNCS |
| 246 | NCURSES_EXPORT(void) |
| 247 | _nc_init_acs(void) |
| 248 | { |
| 249 | NCURSES_SP_NAME(_nc_init_acs) (CURRENT_SCREEN); |
| 250 | } |
| 251 | #endif |