1;;; xterm.el --- define function key sequences and standard colors for xterm 2 3;; Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005, 4;; 2006, 2007 Free Software Foundation, Inc. 5 6;; Author: FSF 7;; Keywords: terminals 8 9;; This file is part of GNU Emacs. 10 11;; GNU Emacs is free software; you can redistribute it and/or modify 12;; it under the terms of the GNU General Public License as published by 13;; the Free Software Foundation; either version 2, or (at your option) 14;; any later version. 15 16;; GNU Emacs is distributed in the hope that it will be useful, 17;; but WITHOUT ANY WARRANTY; without even the implied warranty of 18;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19;; GNU General Public License for more details. 20 21;; You should have received a copy of the GNU General Public License 22;; along with GNU Emacs; see the file COPYING. If not, write to the 23;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 24;; Boston, MA 02110-1301, USA. 25 26;;; Commentary: 27 28;;; Code: 29 30(defun terminal-init-xterm () 31 "Terminal initialization function for xterm." 32 ;; rxvt terminals sometimes set the TERM variable to "xterm", but 33 ;; rxvt's keybindings that are incompatible with xterm's. It is 34 ;; better in that case to use rxvt's initializion function. 35 (if (and (getenv "COLORTERM") 36 (string-match "\\`rxvt" (getenv "COLORTERM"))) 37 (progn 38 (eval-and-compile (load "term/rxvt")) 39 (terminal-init-rxvt)) 40 41 ;; The terminal intialization C code file might have initialized 42 ;; function keys F13->F60 from the termcap/terminfo information. On 43 ;; a PC-style keyboard these keys correspond to 44 ;; MODIFIER-FUNCTION_KEY, where modifier is S-, C, A-, C-S-. The 45 ;; code here subsitutes the corresponding defintions in 46 ;; function-key-map. This substitution is needed because if a key 47 ;; definition is found in function-key-map, there are no further 48 ;; lookups in other keymaps. 49 (substitute-key-definition [f13] [S-f1] function-key-map) 50 (substitute-key-definition [f14] [S-f2] function-key-map) 51 (substitute-key-definition [f15] [S-f3] function-key-map) 52 (substitute-key-definition [f16] [S-f4] function-key-map) 53 (substitute-key-definition [f17] [S-f5] function-key-map) 54 (substitute-key-definition [f18] [S-f6] function-key-map) 55 (substitute-key-definition [f19] [S-f7] function-key-map) 56 (substitute-key-definition [f20] [S-f8] function-key-map) 57 (substitute-key-definition [f21] [S-f9] function-key-map) 58 (substitute-key-definition [f22] [S-f10] function-key-map) 59 (substitute-key-definition [f23] [S-f11] function-key-map) 60 (substitute-key-definition [f24] [S-f12] function-key-map) 61 62 (substitute-key-definition [f25] [C-f1] function-key-map) 63 (substitute-key-definition [f26] [C-f2] function-key-map) 64 (substitute-key-definition [f27] [C-f3] function-key-map) 65 (substitute-key-definition [f28] [C-f4] function-key-map) 66 (substitute-key-definition [f29] [C-f5] function-key-map) 67 (substitute-key-definition [f30] [C-f6] function-key-map) 68 (substitute-key-definition [f31] [C-f7] function-key-map) 69 (substitute-key-definition [f32] [C-f8] function-key-map) 70 (substitute-key-definition [f33] [C-f9] function-key-map) 71 (substitute-key-definition [f34] [C-f10] function-key-map) 72 (substitute-key-definition [f35] [C-f11] function-key-map) 73 (substitute-key-definition [f36] [C-f12] function-key-map) 74 75 (substitute-key-definition [f37] [C-S-f1] function-key-map) 76 (substitute-key-definition [f38] [C-S-f2] function-key-map) 77 (substitute-key-definition [f39] [C-S-f3] function-key-map) 78 (substitute-key-definition [f40] [C-S-f4] function-key-map) 79 (substitute-key-definition [f41] [C-S-f5] function-key-map) 80 (substitute-key-definition [f42] [C-S-f6] function-key-map) 81 (substitute-key-definition [f43] [C-S-f7] function-key-map) 82 (substitute-key-definition [f44] [C-S-f8] function-key-map) 83 (substitute-key-definition [f45] [C-S-f9] function-key-map) 84 (substitute-key-definition [f46] [C-S-f10] function-key-map) 85 (substitute-key-definition [f47] [C-S-f11] function-key-map) 86 (substitute-key-definition [f48] [C-S-f12] function-key-map) 87 88 (substitute-key-definition [f49] [A-f1] function-key-map) 89 (substitute-key-definition [f50] [A-f2] function-key-map) 90 (substitute-key-definition [f51] [A-f3] function-key-map) 91 (substitute-key-definition [f52] [A-f4] function-key-map) 92 (substitute-key-definition [f53] [A-f5] function-key-map) 93 (substitute-key-definition [f54] [A-f6] function-key-map) 94 (substitute-key-definition [f55] [A-f7] function-key-map) 95 (substitute-key-definition [f56] [A-f8] function-key-map) 96 (substitute-key-definition [f57] [A-f9] function-key-map) 97 (substitute-key-definition [f58] [A-f10] function-key-map) 98 (substitute-key-definition [f59] [A-f11] function-key-map) 99 (substitute-key-definition [f60] [A-f12] function-key-map) 100 101 (let ((map (make-sparse-keymap))) 102 ;; xterm from X.org 6.8.2 uses these key definitions. 103 (define-key map "\eOP" [f1]) 104 (define-key map "\eOQ" [f2]) 105 (define-key map "\eOR" [f3]) 106 (define-key map "\eOS" [f4]) 107 (define-key map "\e[15~" [f5]) 108 (define-key map "\e[17~" [f6]) 109 (define-key map "\e[18~" [f7]) 110 (define-key map "\e[19~" [f8]) 111 (define-key map "\e[20~" [f9]) 112 (define-key map "\e[21~" [f10]) 113 (define-key map "\e[23~" [f11]) 114 (define-key map "\e[24~" [f12]) 115 116 (define-key map "\eO2P" [S-f1]) 117 (define-key map "\eO2Q" [S-f2]) 118 (define-key map "\eO2R" [S-f3]) 119 (define-key map "\eO2S" [S-f4]) 120 (define-key map "\e[1;2P" [S-f1]) 121 (define-key map "\e[1;2Q" [S-f2]) 122 (define-key map "\e[1;2R" [S-f3]) 123 (define-key map "\e[1;2S" [S-f4]) 124 (define-key map "\e[15;2~" [S-f5]) 125 (define-key map "\e[17;2~" [S-f6]) 126 (define-key map "\e[18;2~" [S-f7]) 127 (define-key map "\e[19;2~" [S-f8]) 128 (define-key map "\e[20;2~" [S-f9]) 129 (define-key map "\e[21;2~" [S-f10]) 130 (define-key map "\e[23;2~" [S-f11]) 131 (define-key map "\e[24;2~" [S-f12]) 132 133 (define-key map "\eO5P" [C-f1]) 134 (define-key map "\eO5Q" [C-f2]) 135 (define-key map "\eO5R" [C-f3]) 136 (define-key map "\eO5S" [C-f4]) 137 (define-key map "\e[15;5~" [C-f5]) 138 (define-key map "\e[17;5~" [C-f6]) 139 (define-key map "\e[18;5~" [C-f7]) 140 (define-key map "\e[19;5~" [C-f8]) 141 (define-key map "\e[20;5~" [C-f9]) 142 (define-key map "\e[21;5~" [C-f10]) 143 (define-key map "\e[23;5~" [C-f11]) 144 (define-key map "\e[24;5~" [C-f12]) 145 146 (define-key map "\eO6P" [C-S-f1]) 147 (define-key map "\eO6Q" [C-S-f2]) 148 (define-key map "\eO6R" [C-S-f3]) 149 (define-key map "\eO6S" [C-S-f4]) 150 (define-key map "\e[15;6~" [C-S-f5]) 151 (define-key map "\e[17;6~" [C-S-f6]) 152 (define-key map "\e[18;6~" [C-S-f7]) 153 (define-key map "\e[19;6~" [C-S-f8]) 154 (define-key map "\e[20;6~" [C-S-f9]) 155 (define-key map "\e[21;6~" [C-S-f10]) 156 (define-key map "\e[23;6~" [C-S-f11]) 157 (define-key map "\e[24;6~" [C-S-f12]) 158 159 (define-key map "\eO3P" [A-f1]) 160 (define-key map "\eO3Q" [A-f2]) 161 (define-key map "\eO3R" [A-f3]) 162 (define-key map "\eO3S" [A-f4]) 163 (define-key map "\e[15;3~" [A-f5]) 164 (define-key map "\e[17;3~" [A-f6]) 165 (define-key map "\e[18;3~" [A-f7]) 166 (define-key map "\e[19;3~" [A-f8]) 167 (define-key map "\e[20;3~" [A-f9]) 168 (define-key map "\e[21;3~" [A-f10]) 169 (define-key map "\e[23;3~" [A-f11]) 170 (define-key map "\e[24;3~" [A-f12]) 171 172 (define-key map "\eOA" [up]) 173 (define-key map "\eOB" [down]) 174 (define-key map "\eOC" [right]) 175 (define-key map "\eOD" [left]) 176 (define-key map "\eOF" [end]) 177 (define-key map "\eOH" [home]) 178 179 (define-key map "\e[1;2A" [S-up]) 180 (define-key map "\e[1;2B" [S-down]) 181 (define-key map "\e[1;2C" [S-right]) 182 (define-key map "\e[1;2D" [S-left]) 183 (define-key map "\e[1;2F" [S-end]) 184 (define-key map "\e[1;2H" [S-home]) 185 186 (define-key map "\e[1;5A" [C-up]) 187 (define-key map "\e[1;5B" [C-down]) 188 (define-key map "\e[1;5C" [C-right]) 189 (define-key map "\e[1;5D" [C-left]) 190 (define-key map "\e[1;5F" [C-end]) 191 (define-key map "\e[1;5H" [C-home]) 192 193 (define-key map "\e[1;6A" [C-S-up]) 194 (define-key map "\e[1;6B" [C-S-down]) 195 (define-key map "\e[1;6C" [C-S-right]) 196 (define-key map "\e[1;6D" [C-S-left]) 197 (define-key map "\e[1;6F" [C-S-end]) 198 (define-key map "\e[1;6H" [C-S-home]) 199 200 (define-key map "\e[1;3A" [A-up]) 201 (define-key map "\e[1;3B" [A-down]) 202 (define-key map "\e[1;3C" [A-right]) 203 (define-key map "\e[1;3D" [A-left]) 204 (define-key map "\e[1;3F" [A-end]) 205 (define-key map "\e[1;3H" [A-home]) 206 207 (define-key map "\e[2~" [insert]) 208 (define-key map "\e[3~" [delete]) 209 (define-key map "\e[5~" [prior]) 210 (define-key map "\e[6~" [next]) 211 212 (define-key map "\e[2;2~" [S-insert]) 213 (define-key map "\e[3;2~" [S-delete]) 214 (define-key map "\e[5;2~" [S-prior]) 215 (define-key map "\e[6;2~" [S-next]) 216 217 (define-key map "\e[2;5~" [C-insert]) 218 (define-key map "\e[3;5~" [C-delete]) 219 (define-key map "\e[5;5~" [C-prior]) 220 (define-key map "\e[6;5~" [C-next]) 221 222 (define-key map "\e[2;6~" [C-S-insert]) 223 (define-key map "\e[3;6~" [C-S-delete]) 224 (define-key map "\e[5;6~" [C-S-prior]) 225 (define-key map "\e[6;6~" [C-S-next]) 226 227 (define-key map "\e[2;3~" [A-insert]) 228 (define-key map "\e[3;3~" [A-delete]) 229 (define-key map "\e[5;3~" [A-prior]) 230 (define-key map "\e[6;3~" [A-next]) 231 232 (define-key map "\e[4~" [select]) 233 (define-key map "\e[29~" [print]) 234 235 (define-key map "\eOj" [kp-multiply]) 236 (define-key map "\eOk" [kp-add]) 237 (define-key map "\eOl" [kp-separator]) 238 (define-key map "\eOm" [kp-subtract]) 239 (define-key map "\eOo" [kp-divide]) 240 (define-key map "\eOp" [kp-0]) 241 (define-key map "\eOq" [kp-1]) 242 (define-key map "\eOr" [kp-2]) 243 (define-key map "\eOs" [kp-3]) 244 (define-key map "\eOt" [kp-4]) 245 (define-key map "\eOu" [kp-5]) 246 (define-key map "\eOv" [kp-6]) 247 (define-key map "\eOw" [kp-7]) 248 (define-key map "\eOx" [kp-8]) 249 (define-key map "\eOy" [kp-9]) 250 251 ;; These keys are available in xterm starting from version 216 252 ;; if the modifyOtherKeys resource is set to 1. 253 254 (define-key map "\e[27;5;9~" [C-tab]) 255 (define-key map "\e[27;5;13~" [C-return]) 256 (define-key map "\e[27;5;39~" [?\C-\']) 257 (define-key map "\e[27;5;44~" [?\C-,]) 258 (define-key map "\e[27;5;45~" [?\C--]) 259 (define-key map "\e[27;5;46~" [?\C-.]) 260 (define-key map "\e[27;5;47~" [?\C-/]) 261 (define-key map "\e[27;5;48~" [?\C-0]) 262 (define-key map "\e[27;5;49~" [?\C-1]) 263 ;; Not all C-DIGIT keys have a distinct binding. 264 (define-key map "\e[27;5;57~" [?\C-9]) 265 (define-key map "\e[27;5;59~" [?\C-\;]) 266 (define-key map "\e[27;5;61~" [?\C-=]) 267 (define-key map "\e[27;5;92~" [?\C-\\]) 268 269 (define-key map "\e[27;6;33~" [?\C-!]) 270 (define-key map "\e[27;6;34~" [?\C-\"]) 271 (define-key map "\e[27;6;35~" [?\C-#]) 272 (define-key map "\e[27;6;36~" [?\C-$]) 273 (define-key map "\e[27;6;37~" [?\C-%]) 274 (define-key map "\e[27;6;38~" [?\C-&]) 275 (define-key map "\e[27;6;40~" [?\C-(]) 276 (define-key map "\e[27;6;41~" [?\C-)]) 277 (define-key map "\e[27;6;42~" [?\C-*]) 278 (define-key map "\e[27;6;43~" [?\C-+]) 279 (define-key map "\e[27;6;58~" [?\C-:]) 280 (define-key map "\e[27;6;60~" [?\C-<]) 281 (define-key map "\e[27;6;62~" [?\C->]) 282 (define-key map "\e[27;6;63~" [(control ??)]) 283 284 ;; These are the strings emitted for various C-M- combinations 285 ;; for keyboards that the Meta and Alt modifiers are on the same 286 ;; key (usually labeled "Alt"). 287 (define-key map "\e[27;13;9~" [C-M-tab]) 288 (define-key map "\e[27;13;13~" [C-M-return]) 289 290 (define-key map "\e[27;13;39~" [?\C-\M-\']) 291 (define-key map "\e[27;13;44~" [?\C-\M-,]) 292 (define-key map "\e[27;13;45~" [?\C-\M--]) 293 (define-key map "\e[27;13;46~" [?\C-\M-.]) 294 (define-key map "\e[27;13;47~" [?\C-\M-/]) 295 (define-key map "\e[27;13;48~" [?\C-\M-0]) 296 (define-key map "\e[27;13;49~" [?\C-\M-1]) 297 (define-key map "\e[27;13;50~" [?\C-\M-2]) 298 (define-key map "\e[27;13;51~" [?\C-\M-3]) 299 (define-key map "\e[27;13;52~" [?\C-\M-4]) 300 (define-key map "\e[27;13;53~" [?\C-\M-5]) 301 (define-key map "\e[27;13;54~" [?\C-\M-6]) 302 (define-key map "\e[27;13;55~" [?\C-\M-7]) 303 (define-key map "\e[27;13;56~" [?\C-\M-8]) 304 (define-key map "\e[27;13;57~" [?\C-\M-9]) 305 (define-key map "\e[27;13;59~" [?\C-\M-\;]) 306 (define-key map "\e[27;13;61~" [?\C-\M-=]) 307 (define-key map "\e[27;13;92~" [?\C-\M-\\]) 308 309 (define-key map "\e[27;14;33~" [?\C-\M-!]) 310 (define-key map "\e[27;14;34~" [?\C-\M-\"]) 311 (define-key map "\e[27;14;35~" [?\C-\M-#]) 312 (define-key map "\e[27;14;36~" [?\C-\M-$]) 313 (define-key map "\e[27;14;37~" [?\C-\M-%]) 314 (define-key map "\e[27;14;38~" [?\C-\M-&]) 315 (define-key map "\e[27;14;40~" [?\C-\M-(]) 316 (define-key map "\e[27;14;41~" [?\C-\M-)]) 317 (define-key map "\e[27;14;42~" [?\C-\M-*]) 318 (define-key map "\e[27;14;43~" [?\C-\M-+]) 319 (define-key map "\e[27;14;58~" [?\C-\M-:]) 320 (define-key map "\e[27;14;60~" [?\C-\M-<]) 321 (define-key map "\e[27;14;62~" [?\C-\M->]) 322 (define-key map "\e[27;14;63~" [(control meta ??)]) 323 324 (define-key map "\e[27;7;9~" [C-M-tab]) 325 (define-key map "\e[27;7;13~" [C-M-return]) 326 327 (define-key map "\e[27;7;32~" [?\C-\M-\s]) 328 (define-key map "\e[27;7;39~" [?\C-\M-\']) 329 (define-key map "\e[27;7;44~" [?\C-\M-,]) 330 (define-key map "\e[27;7;45~" [?\C-\M--]) 331 (define-key map "\e[27;7;46~" [?\C-\M-.]) 332 (define-key map "\e[27;7;47~" [?\C-\M-/]) 333 (define-key map "\e[27;7;48~" [?\C-\M-0]) 334 (define-key map "\e[27;7;49~" [?\C-\M-1]) 335 (define-key map "\e[27;7;50~" [?\C-\M-2]) 336 (define-key map "\e[27;7;51~" [?\C-\M-3]) 337 (define-key map "\e[27;7;52~" [?\C-\M-4]) 338 (define-key map "\e[27;7;53~" [?\C-\M-5]) 339 (define-key map "\e[27;7;54~" [?\C-\M-6]) 340 (define-key map "\e[27;7;55~" [?\C-\M-7]) 341 (define-key map "\e[27;7;56~" [?\C-\M-8]) 342 (define-key map "\e[27;7;57~" [?\C-\M-9]) 343 (define-key map "\e[27;7;59~" [?\C-\M-\;]) 344 (define-key map "\e[27;7;61~" [?\C-\M-=]) 345 (define-key map "\e[27;7;92~" [?\C-\M-\\]) 346 347 (define-key map "\e[27;8;33~" [?\C-\M-!]) 348 (define-key map "\e[27;8;34~" [?\C-\M-\"]) 349 (define-key map "\e[27;8;35~" [?\C-\M-#]) 350 (define-key map "\e[27;8;36~" [?\C-\M-$]) 351 (define-key map "\e[27;8;37~" [?\C-\M-%]) 352 (define-key map "\e[27;8;38~" [?\C-\M-&]) 353 (define-key map "\e[27;8;40~" [?\C-\M-(]) 354 (define-key map "\e[27;8;41~" [?\C-\M-)]) 355 (define-key map "\e[27;8;42~" [?\C-\M-*]) 356 (define-key map "\e[27;8;43~" [?\C-\M-+]) 357 (define-key map "\e[27;8;58~" [?\C-\M-:]) 358 (define-key map "\e[27;8;60~" [?\C-\M-<]) 359 (define-key map "\e[27;8;62~" [?\C-\M->]) 360 (define-key map "\e[27;8;63~" [(control meta ??)]) 361 362 (define-key map "\e[27;2;9~" [S-tab]) 363 (define-key map "\e[27;2;13~" [S-return]) 364 365 (define-key map "\e[27;6;9~" [C-S-tab]) 366 (define-key map "\e[27;6;13~" [C-S-return]) 367 368 ;; Other versions of xterm might emit these. 369 (define-key map "\e[A" [up]) 370 (define-key map "\e[B" [down]) 371 (define-key map "\e[C" [right]) 372 (define-key map "\e[D" [left]) 373 (define-key map "\e[1~" [home]) 374 375 (define-key map "\eO2A" [S-up]) 376 (define-key map "\eO2B" [S-down]) 377 (define-key map "\eO2C" [S-right]) 378 (define-key map "\eO2D" [S-left]) 379 (define-key map "\eO2F" [S-end]) 380 (define-key map "\eO2H" [S-home]) 381 382 (define-key map "\eO5A" [C-up]) 383 (define-key map "\eO5B" [C-down]) 384 (define-key map "\eO5C" [C-right]) 385 (define-key map "\eO5D" [C-left]) 386 (define-key map "\eO5F" [C-end]) 387 (define-key map "\eO5H" [C-home]) 388 389 (define-key map "\e[11~" [f1]) 390 (define-key map "\e[12~" [f2]) 391 (define-key map "\e[13~" [f3]) 392 (define-key map "\e[14~" [f4]) 393 394 ;; Use inheritance to let the main keymap override those defaults. 395 ;; This way we don't override terminfo-derived settings or settings 396 ;; made in the .emacs file. 397 (set-keymap-parent map (keymap-parent function-key-map)) 398 (set-keymap-parent function-key-map map)) 399 400 ;; Do it! 401 (xterm-register-default-colors) 402 ;; This recomputes all the default faces given the colors we've just set up. 403 (tty-set-up-initial-frame-faces))) 404 405;; Set up colors, for those versions of xterm that support it. 406(defvar xterm-standard-colors 407 ;; The names in the comments taken from XTerm-col.ad in the xterm 408 ;; distribution, see ftp://dickey.his.com/xterm/. RGB values are 409 ;; from rgb.txt. 410 '(("black" 0 ( 0 0 0)) ; black 411 ("red" 1 (205 0 0)) ; red3 412 ("green" 2 ( 0 205 0)) ; green3 413 ("yellow" 3 (205 205 0)) ; yellow3 414 ("blue" 4 ( 0 0 238)) ; blue2 415 ("magenta" 5 (205 0 205)) ; magenta3 416 ("cyan" 6 ( 0 205 205)) ; cyan3 417 ("white" 7 (229 229 229)) ; gray90 418 ("brightblack" 8 (127 127 127)) ; gray50 419 ("brightred" 9 (255 0 0)) ; red 420 ("brightgreen" 10 ( 0 255 0)) ; green 421 ("brightyellow" 11 (255 255 0)) ; yellow 422 ("brightblue" 12 (92 92 255)) ; rgb:5c/5c/ff 423 ("brightmagenta" 13 (255 0 255)) ; magenta 424 ("brightcyan" 14 ( 0 255 255)) ; cyan 425 ("brightwhite" 15 (255 255 255))) ; white 426 "Names of 16 standard xterm/aixterm colors, their numbers, and RGB values.") 427 428(defun xterm-rgb-convert-to-16bit (prim) 429 "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value." 430 (logior prim (lsh prim 8))) 431 432(defun xterm-register-default-colors () 433 "Register the default set of colors for xterm or compatible emulator. 434 435This function registers the number of colors returned by `display-color-cells' 436for the currently selected frame. The first 16 colors are taken from 437`xterm-standard-colors', which see, while the rest are computed assuming 438either the 88- or 256-color standard color scheme supported by latest 439versions of xterm." 440 (let* ((ncolors (display-color-cells)) 441 (colors xterm-standard-colors) 442 (color (car colors))) 443 (if (> ncolors 0) 444 ;; Clear the 8 default tty colors registered by startup.el 445 (tty-color-clear)) 446 ;; Only register as many colors as are supported by the display. 447 (while (and (> ncolors 0) colors) 448 (tty-color-define (car color) (cadr color) 449 (mapcar 'xterm-rgb-convert-to-16bit 450 (car (cddr color)))) 451 (setq colors (cdr colors) 452 color (car colors) 453 ncolors (1- ncolors))) 454 ;; We've exhausted the colors from `xterm-standard-colors'. If there 455 ;; are more colors to support, compute them now. 456 (when (> ncolors 0) 457 (cond 458 ((= ncolors 240) ; 256-color xterm 459 ;; 216 non-gray colors first 460 (let ((r 0) (g 0) (b 0)) 461 (while (> ncolors 24) 462 ;; This and other formulae taken from 256colres.pl and 463 ;; 88colres.pl in the xterm distribution. 464 (tty-color-define (format "color-%d" (- 256 ncolors)) 465 (- 256 ncolors) 466 (mapcar 'xterm-rgb-convert-to-16bit 467 (list (if (zerop r) 0 (+ (* r 40) 55)) 468 (if (zerop g) 0 (+ (* g 40) 55)) 469 (if (zerop b) 0 (+ (* b 40) 55))))) 470 471 (setq b (1+ b)) 472 (if (> b 5) 473 (setq g (1+ g) 474 b 0)) 475 (if (> g 5) 476 (setq r (1+ r) 477 g 0)) 478 (setq ncolors (1- ncolors)))) 479 ;; Now the 24 gray colors 480 (while (> ncolors 0) 481 (setq color (xterm-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10)))) 482 (tty-color-define (format "color-%d" (- 256 ncolors)) 483 (- 256 ncolors) 484 (list color color color)) 485 (setq ncolors (1- ncolors)))) 486 ((= ncolors 72) ; 88-color xterm 487 ;; 64 non-gray colors 488 (let ((levels '(0 139 205 255)) 489 (r 0) (g 0) (b 0)) 490 (while (> ncolors 8) 491 (tty-color-define (format "color-%d" (- 88 ncolors)) 492 (- 88 ncolors) 493 (mapcar 'xterm-rgb-convert-to-16bit 494 (list (nth r levels) 495 (nth g levels) 496 (nth b levels)))) 497 (setq b (1+ b)) 498 (if (> b 3) 499 (setq g (1+ g) 500 b 0)) 501 (if (> g 3) 502 (setq r (1+ r) 503 g 0)) 504 (setq ncolors (1- ncolors)))) 505 ;; Now the 8 gray colors 506 (while (> ncolors 0) 507 (setq color (xterm-rgb-convert-to-16bit 508 (floor 509 (if (= ncolors 8) 510 46.36363636 511 (+ (* (- 8 ncolors) 23.18181818) 69.54545454))))) 512 (tty-color-define (format "color-%d" (- 88 ncolors)) 513 (- 88 ncolors) 514 (list color color color)) 515 (setq ncolors (1- ncolors)))) 516 (t (error "Unsupported number of xterm colors (%d)" (+ 16 ncolors))))) 517 ;; Modifying color mappings means realized faces don't use the 518 ;; right colors, so clear them. 519 (clear-face-cache))) 520 521;; arch-tag: 12e7ebdd-1e6c-4b25-b0f9-35ace25e855a 522;;; xterm.el ends here 523