code.delx.au - gnu-emacs/blob - lisp/term/xterm.el

   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 3, 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 (defvar xterm-function-map (make-sparse-keymap)
  31   "Function key map overrides for xterm.")
  32
  33 ;; xterm from X.org 6.8.2 uses these key definitions.
  34 (define-key xterm-function-map "\eOP" [f1])
  35 (define-key xterm-function-map "\eOQ" [f2])
  36 (define-key xterm-function-map "\eOR" [f3])
  37 (define-key xterm-function-map "\eOS" [f4])
  38 (define-key xterm-function-map "\e[15~" [f5])
  39 (define-key xterm-function-map "\e[17~" [f6])
  40 (define-key xterm-function-map "\e[18~" [f7])
  41 (define-key xterm-function-map "\e[19~" [f8])
  42 (define-key xterm-function-map "\e[20~" [f9])
  43 (define-key xterm-function-map "\e[21~" [f10])
  44 (define-key xterm-function-map "\e[23~" [f11])
  45 (define-key xterm-function-map "\e[24~" [f12])
  46
  47 (define-key xterm-function-map "\eO2P" [S-f1])
  48 (define-key xterm-function-map "\eO2Q" [S-f2])
  49 (define-key xterm-function-map "\eO2R" [S-f3])
  50 (define-key xterm-function-map "\eO2S" [S-f4])
  51 (define-key xterm-function-map "\e[1;2P" [S-f1])
  52 (define-key xterm-function-map "\e[1;2Q" [S-f2])
  53 (define-key xterm-function-map "\e[1;2R" [S-f3])
  54 (define-key xterm-function-map "\e[1;2S" [S-f4])
  55 (define-key xterm-function-map "\e[15;2~" [S-f5])
  56 (define-key xterm-function-map "\e[17;2~" [S-f6])
  57 (define-key xterm-function-map "\e[18;2~" [S-f7])
  58 (define-key xterm-function-map "\e[19;2~" [S-f8])
  59 (define-key xterm-function-map "\e[20;2~" [S-f9])
  60 (define-key xterm-function-map "\e[21;2~" [S-f10])
  61 (define-key xterm-function-map "\e[23;2~" [S-f11])
  62 (define-key xterm-function-map "\e[24;2~" [S-f12])
  63
  64 (define-key xterm-function-map "\eO5P" [C-f1])
  65 (define-key xterm-function-map "\eO5Q" [C-f2])
  66 (define-key xterm-function-map "\eO5R" [C-f3])
  67 (define-key xterm-function-map "\eO5S" [C-f4])
  68 (define-key xterm-function-map "\e[15;5~" [C-f5])
  69 (define-key xterm-function-map "\e[17;5~" [C-f6])
  70 (define-key xterm-function-map "\e[18;5~" [C-f7])
  71 (define-key xterm-function-map "\e[19;5~" [C-f8])
  72 (define-key xterm-function-map "\e[20;5~" [C-f9])
  73 (define-key xterm-function-map "\e[21;5~" [C-f10])
  74 (define-key xterm-function-map "\e[23;5~" [C-f11])
  75 (define-key xterm-function-map "\e[24;5~" [C-f12])
  76
  77 (define-key xterm-function-map "\eO6P" [C-S-f1])
  78 (define-key xterm-function-map "\eO6Q" [C-S-f2])
  79 (define-key xterm-function-map "\eO6R" [C-S-f3])
  80 (define-key xterm-function-map "\eO6S" [C-S-f4])
  81 (define-key xterm-function-map "\e[15;6~" [C-S-f5])
  82 (define-key xterm-function-map "\e[17;6~" [C-S-f6])
  83 (define-key xterm-function-map "\e[18;6~" [C-S-f7])
  84 (define-key xterm-function-map "\e[19;6~" [C-S-f8])
  85 (define-key xterm-function-map "\e[20;6~" [C-S-f9])
  86 (define-key xterm-function-map "\e[21;6~" [C-S-f10])
  87 (define-key xterm-function-map "\e[23;6~" [C-S-f11])
  88 (define-key xterm-function-map "\e[24;6~" [C-S-f12])
  89
  90 (define-key xterm-function-map "\eO3P" [A-f1])
  91 (define-key xterm-function-map "\eO3Q" [A-f2])
  92 (define-key xterm-function-map "\eO3R" [A-f3])
  93 (define-key xterm-function-map "\eO3S" [A-f4])
  94 (define-key xterm-function-map "\e[15;3~" [A-f5])
  95 (define-key xterm-function-map "\e[17;3~" [A-f6])
  96 (define-key xterm-function-map "\e[18;3~" [A-f7])
  97 (define-key xterm-function-map "\e[19;3~" [A-f8])
  98 (define-key xterm-function-map "\e[20;3~" [A-f9])
  99 (define-key xterm-function-map "\e[21;3~" [A-f10])
 100 (define-key xterm-function-map "\e[23;3~" [A-f11])
 101 (define-key xterm-function-map "\e[24;3~" [A-f12])
 102
 103 (define-key xterm-function-map "\eOA" [up])
 104 (define-key xterm-function-map "\eOB" [down])
 105 (define-key xterm-function-map "\eOC" [right])
 106 (define-key xterm-function-map "\eOD" [left])
 107 (define-key xterm-function-map "\eOF" [end])
 108 (define-key xterm-function-map "\eOH" [home])
 109
 110 (define-key xterm-function-map "\e[1;2A" [S-up])
 111 (define-key xterm-function-map "\e[1;2B" [S-down])
 112 (define-key xterm-function-map "\e[1;2C" [S-right])
 113 (define-key xterm-function-map "\e[1;2D" [S-left])
 114 (define-key xterm-function-map "\e[1;2F" [S-end])
 115 (define-key xterm-function-map "\e[1;2H" [S-home])
 116
 117 (define-key xterm-function-map "\e[1;5A" [C-up])
 118 (define-key xterm-function-map "\e[1;5B" [C-down])
 119 (define-key xterm-function-map "\e[1;5C" [C-right])
 120 (define-key xterm-function-map "\e[1;5D" [C-left])
 121 (define-key xterm-function-map "\e[1;5F" [C-end])
 122 (define-key xterm-function-map "\e[1;5H" [C-home])
 123
 124 (define-key xterm-function-map "\e[1;6A" [C-S-up])
 125 (define-key xterm-function-map "\e[1;6B" [C-S-down])
 126 (define-key xterm-function-map "\e[1;6C" [C-S-right])
 127 (define-key xterm-function-map "\e[1;6D" [C-S-left])
 128 (define-key xterm-function-map "\e[1;6F" [C-S-end])
 129 (define-key xterm-function-map "\e[1;6H" [C-S-home])
 130
 131 (define-key xterm-function-map "\e[1;3A" [A-up])
 132 (define-key xterm-function-map "\e[1;3B" [A-down])
 133 (define-key xterm-function-map "\e[1;3C" [A-right])
 134 (define-key xterm-function-map "\e[1;3D" [A-left])
 135 (define-key xterm-function-map "\e[1;3F" [A-end])
 136 (define-key xterm-function-map "\e[1;3H" [A-home])
 137
 138 (define-key xterm-function-map "\e[2~" [insert])
 139 (define-key xterm-function-map "\e[3~" [delete])
 140 (define-key xterm-function-map "\e[5~" [prior])
 141 (define-key xterm-function-map "\e[6~" [next])
 142
 143 (define-key xterm-function-map "\e[2;2~" [S-insert])
 144 (define-key xterm-function-map "\e[3;2~" [S-delete])
 145 (define-key xterm-function-map "\e[5;2~" [S-prior])
 146 (define-key xterm-function-map "\e[6;2~" [S-next])
 147
 148 (define-key xterm-function-map "\e[2;5~" [C-insert])
 149 (define-key xterm-function-map "\e[3;5~" [C-delete])
 150 (define-key xterm-function-map "\e[5;5~" [C-prior])
 151 (define-key xterm-function-map "\e[6;5~" [C-next])
 152
 153 (define-key xterm-function-map "\e[2;6~" [C-S-insert])
 154 (define-key xterm-function-map "\e[3;6~" [C-S-delete])
 155 (define-key xterm-function-map "\e[5;6~" [C-S-prior])
 156 (define-key xterm-function-map "\e[6;6~" [C-S-next])
 157
 158 (define-key xterm-function-map "\e[2;3~" [A-insert])
 159 (define-key xterm-function-map "\e[3;3~" [A-delete])
 160 (define-key xterm-function-map "\e[5;3~" [A-prior])
 161 (define-key xterm-function-map "\e[6;3~" [A-next])
 162
 163 (define-key xterm-function-map "\e[4~" [select])
 164 (define-key xterm-function-map "\e[29~" [print])
 165
 166 (define-key xterm-function-map "\eOj" [kp-multiply])
 167 (define-key xterm-function-map "\eOk" [kp-add])
 168 (define-key xterm-function-map "\eOl" [kp-separator])
 169 (define-key xterm-function-map "\eOm" [kp-subtract])
 170 (define-key xterm-function-map "\eOo" [kp-divide])
 171 (define-key xterm-function-map "\eOp" [kp-0])
 172 (define-key xterm-function-map "\eOq" [kp-1])
 173 (define-key xterm-function-map "\eOr" [kp-2])
 174 (define-key xterm-function-map "\eOs" [kp-3])
 175 (define-key xterm-function-map "\eOt" [kp-4])
 176 (define-key xterm-function-map "\eOu" [kp-5])
 177 (define-key xterm-function-map "\eOv" [kp-6])
 178 (define-key xterm-function-map "\eOw" [kp-7])
 179 (define-key xterm-function-map "\eOx" [kp-8])
 180 (define-key xterm-function-map "\eOy" [kp-9])
 181
 182 ;; These keys are available in xterm starting from version 216
 183 ;; if the modifyOtherKeys resource is set to 1.
 184
 185 (define-key xterm-function-map "\e[27;5;9~"   [C-tab])
 186 (define-key xterm-function-map "\e[27;5;13~"  [C-return])
 187 (define-key xterm-function-map "\e[27;5;39~"  [?\C-\'])
 188 (define-key xterm-function-map "\e[27;5;44~"  [?\C-,])
 189 (define-key xterm-function-map "\e[27;5;45~"  [?\C--])
 190 (define-key xterm-function-map "\e[27;5;46~"  [?\C-.])
 191 (define-key xterm-function-map "\e[27;5;47~"  [?\C-/])
 192 (define-key xterm-function-map "\e[27;5;48~"  [?\C-0])
 193 (define-key xterm-function-map "\e[27;5;49~"  [?\C-1])
 194 ;; Not all C-DIGIT keys have a distinct binding.
 195 (define-key xterm-function-map "\e[27;5;57~"  [?\C-9])
 196 (define-key xterm-function-map "\e[27;5;59~"  [?\C-\;])
 197 (define-key xterm-function-map "\e[27;5;61~"  [?\C-=])
 198 (define-key xterm-function-map "\e[27;5;92~"  [?\C-\\])
 199
 200 (define-key xterm-function-map "\e[27;6;33~"  [?\C-!])
 201 (define-key xterm-function-map "\e[27;6;34~"  [?\C-\"])
 202 (define-key xterm-function-map "\e[27;6;35~"  [?\C-#])
 203 (define-key xterm-function-map "\e[27;6;36~"  [?\C-$])
 204 (define-key xterm-function-map "\e[27;6;37~"  [?\C-%])
 205 (define-key xterm-function-map "\e[27;6;38~"  [?\C-&])
 206 (define-key xterm-function-map "\e[27;6;40~"  [?\C-(])
 207 (define-key xterm-function-map "\e[27;6;41~"  [?\C-)])
 208 (define-key xterm-function-map "\e[27;6;42~"  [?\C-*])
 209 (define-key xterm-function-map "\e[27;6;43~"  [?\C-+])
 210 (define-key xterm-function-map "\e[27;6;58~"  [?\C-:])
 211 (define-key xterm-function-map "\e[27;6;60~"  [?\C-<])
 212 (define-key xterm-function-map "\e[27;6;62~"  [?\C->])
 213 (define-key xterm-function-map "\e[27;6;63~"  [(control ??)])
 214
 215 ;; These are the strings emitted for various C-M- combinations
 216 ;; for keyboards that the Meta and Alt modifiers are on the same
 217 ;; key (usually labeled "Alt").
 218 (define-key xterm-function-map "\e[27;13;9~"  [C-M-tab])
 219 (define-key xterm-function-map "\e[27;13;13~" [C-M-return])
 220
 221 (define-key xterm-function-map "\e[27;13;39~" [?\C-\M-\'])
 222 (define-key xterm-function-map "\e[27;13;44~" [?\C-\M-,])
 223 (define-key xterm-function-map "\e[27;13;45~" [?\C-\M--])
 224 (define-key xterm-function-map "\e[27;13;46~" [?\C-\M-.])
 225 (define-key xterm-function-map "\e[27;13;47~" [?\C-\M-/])
 226 (define-key xterm-function-map "\e[27;13;48~" [?\C-\M-0])
 227 (define-key xterm-function-map "\e[27;13;49~" [?\C-\M-1])
 228 (define-key xterm-function-map "\e[27;13;50~" [?\C-\M-2])
 229 (define-key xterm-function-map "\e[27;13;51~" [?\C-\M-3])
 230 (define-key xterm-function-map "\e[27;13;52~" [?\C-\M-4])
 231 (define-key xterm-function-map "\e[27;13;53~" [?\C-\M-5])
 232 (define-key xterm-function-map "\e[27;13;54~" [?\C-\M-6])
 233 (define-key xterm-function-map "\e[27;13;55~" [?\C-\M-7])
 234 (define-key xterm-function-map "\e[27;13;56~" [?\C-\M-8])
 235 (define-key xterm-function-map "\e[27;13;57~" [?\C-\M-9])
 236 (define-key xterm-function-map "\e[27;13;59~" [?\C-\M-\;])
 237 (define-key xterm-function-map "\e[27;13;61~" [?\C-\M-=])
 238 (define-key xterm-function-map "\e[27;13;92~" [?\C-\M-\\])
 239
 240 (define-key xterm-function-map "\e[27;14;33~"  [?\C-\M-!])
 241 (define-key xterm-function-map "\e[27;14;34~"  [?\C-\M-\"])
 242 (define-key xterm-function-map "\e[27;14;35~"  [?\C-\M-#])
 243 (define-key xterm-function-map "\e[27;14;36~"  [?\C-\M-$])
 244 (define-key xterm-function-map "\e[27;14;37~"  [?\C-\M-%])
 245 (define-key xterm-function-map "\e[27;14;38~"  [?\C-\M-&])
 246 (define-key xterm-function-map "\e[27;14;40~"  [?\C-\M-\(])
 247 (define-key xterm-function-map "\e[27;14;41~"  [?\C-\M-\)])
 248 (define-key xterm-function-map "\e[27;14;42~"  [?\C-\M-*])
 249 (define-key xterm-function-map "\e[27;14;43~"  [?\C-\M-+])
 250 (define-key xterm-function-map "\e[27;14;58~"  [?\C-\M-:])
 251 (define-key xterm-function-map "\e[27;14;60~"  [?\C-\M-<])
 252 (define-key xterm-function-map "\e[27;14;62~"  [?\C-\M->])
 253 (define-key xterm-function-map "\e[27;14;63~"  [(control meta ??)])
 254
 255 (define-key xterm-function-map "\e[27;7;9~"  [C-M-tab])
 256 (define-key xterm-function-map "\e[27;7;13~" [C-M-return])
 257
 258 (define-key xterm-function-map "\e[27;7;32~" [?\C-\M-\s])
 259 (define-key xterm-function-map "\e[27;7;39~" [?\C-\M-\'])
 260 (define-key xterm-function-map "\e[27;7;44~" [?\C-\M-,])
 261 (define-key xterm-function-map "\e[27;7;45~" [?\C-\M--])
 262 (define-key xterm-function-map "\e[27;7;46~" [?\C-\M-.])
 263 (define-key xterm-function-map "\e[27;7;47~" [?\C-\M-/])
 264 (define-key xterm-function-map "\e[27;7;48~" [?\C-\M-0])
 265 (define-key xterm-function-map "\e[27;7;49~" [?\C-\M-1])
 266 (define-key xterm-function-map "\e[27;7;50~" [?\C-\M-2])
 267 (define-key xterm-function-map "\e[27;7;51~" [?\C-\M-3])
 268 (define-key xterm-function-map "\e[27;7;52~" [?\C-\M-4])
 269 (define-key xterm-function-map "\e[27;7;53~" [?\C-\M-5])
 270 (define-key xterm-function-map "\e[27;7;54~" [?\C-\M-6])
 271 (define-key xterm-function-map "\e[27;7;55~" [?\C-\M-7])
 272 (define-key xterm-function-map "\e[27;7;56~" [?\C-\M-8])
 273 (define-key xterm-function-map "\e[27;7;57~" [?\C-\M-9])
 274 (define-key xterm-function-map "\e[27;7;59~" [?\C-\M-\;])
 275 (define-key xterm-function-map "\e[27;7;61~" [?\C-\M-=])
 276 (define-key xterm-function-map "\e[27;7;92~" [?\C-\M-\\])
 277
 278 (define-key xterm-function-map "\e[27;8;33~"  [?\C-\M-!])
 279 (define-key xterm-function-map "\e[27;8;34~"  [?\C-\M-\"])
 280 (define-key xterm-function-map "\e[27;8;35~"  [?\C-\M-#])
 281 (define-key xterm-function-map "\e[27;8;36~"  [?\C-\M-$])
 282 (define-key xterm-function-map "\e[27;8;37~"  [?\C-\M-%])
 283 (define-key xterm-function-map "\e[27;8;38~"  [?\C-\M-&])
 284 (define-key xterm-function-map "\e[27;8;40~"  [?\C-\M-\(])
 285 (define-key xterm-function-map "\e[27;8;41~"  [?\C-\M-\)])
 286 (define-key xterm-function-map "\e[27;8;42~"  [?\C-\M-*])
 287 (define-key xterm-function-map "\e[27;8;43~"  [?\C-\M-+])
 288 (define-key xterm-function-map "\e[27;8;58~"  [?\C-\M-:])
 289 (define-key xterm-function-map "\e[27;8;60~"  [?\C-\M-<])
 290 (define-key xterm-function-map "\e[27;8;62~"  [?\C-\M->])
 291 (define-key xterm-function-map "\e[27;8;63~"  [(control meta ??)])
 292
 293 (define-key xterm-function-map "\e[27;2;9~"   [S-tab])
 294 (define-key xterm-function-map "\e[27;2;13~"  [S-return])
 295
 296 (define-key xterm-function-map "\e[27;6;9~"   [C-S-tab])
 297 (define-key xterm-function-map "\e[27;6;13~"  [C-S-return])
 298
 299 ;; Other versions of xterm might emit these.
 300 (define-key xterm-function-map "\e[A" [up])
 301 (define-key xterm-function-map "\e[B" [down])
 302 (define-key xterm-function-map "\e[C" [right])
 303 (define-key xterm-function-map "\e[D" [left])
 304 (define-key xterm-function-map "\e[1~" [home])
 305
 306 (define-key xterm-function-map "\e[1;2A" [S-up])
 307 (define-key xterm-function-map "\e[1;2B" [S-down])
 308 (define-key xterm-function-map "\e[1;2C" [S-right])
 309 (define-key xterm-function-map "\e[1;2D" [S-left])
 310 (define-key xterm-function-map "\e[1;2F" [S-end])
 311 (define-key xterm-function-map "\e[1;2H" [S-home])
 312
 313 (define-key xterm-function-map "\e[1;5A" [C-up])
 314 (define-key xterm-function-map "\e[1;5B" [C-down])
 315 (define-key xterm-function-map "\e[1;5C" [C-right])
 316 (define-key xterm-function-map "\e[1;5D" [C-left])
 317 (define-key xterm-function-map "\e[1;5F" [C-end])
 318 (define-key xterm-function-map "\e[1;5H" [C-home])
 319
 320 (define-key xterm-function-map "\e[11~" [f1])
 321 (define-key xterm-function-map "\e[12~" [f2])
 322 (define-key xterm-function-map "\e[13~" [f3])
 323 (define-key xterm-function-map "\e[14~" [f4])
 324
 325 (defun terminal-init-xterm ()
 326   "Terminal initialization function for xterm."
 327   ;; rxvt terminals sometimes set the TERM variable to "xterm", but
 328   ;; rxvt's keybindings are incompatible with xterm's. It is
 329   ;; better in that case to use rxvt's initializion function.
 330   (if (and (getenv "COLORTERM" (selected-frame))
 331            (string-match "\\`rxvt" (getenv "COLORTERM" (selected-frame))))
 332       (tty-run-terminal-initialization (selected-frame) "rxvt")
 333
 334     ;; The terminal intialization C code file might have initialized
 335     ;; function keys F13->F60 from the termcap/terminfo information.  On
 336     ;; a PC-style keyboard these keys correspond to
 337     ;; MODIFIER-FUNCTION_KEY, where modifier is S-, C, A-, C-S-.  The
 338     ;; code here subsitutes the corresponding defintions in
 339     ;; function-key-map. This substitution is needed because if a key
 340     ;; definition is found in function-key-map, there are no further
 341     ;; lookups in other keymaps.
 342     (substitute-key-definition [f13] [S-f1] local-function-key-map)
 343     (substitute-key-definition [f14] [S-f2] local-function-key-map)
 344     (substitute-key-definition [f15] [S-f3] local-function-key-map)
 345     (substitute-key-definition [f16] [S-f4] local-function-key-map)
 346     (substitute-key-definition [f17] [S-f5] local-function-key-map)
 347     (substitute-key-definition [f18] [S-f6] local-function-key-map)
 348     (substitute-key-definition [f19] [S-f7] local-function-key-map)
 349     (substitute-key-definition [f20] [S-f8] local-function-key-map)
 350     (substitute-key-definition [f21] [S-f9] local-function-key-map)
 351     (substitute-key-definition [f22] [S-f10] local-function-key-map)
 352     (substitute-key-definition [f23] [S-f11] local-function-key-map)
 353     (substitute-key-definition [f24] [S-f12] local-function-key-map)
 354
 355     (substitute-key-definition [f25] [C-f1] local-function-key-map)
 356     (substitute-key-definition [f26] [C-f2] local-function-key-map)
 357     (substitute-key-definition [f27] [C-f3] local-function-key-map)
 358     (substitute-key-definition [f28] [C-f4] local-function-key-map)
 359     (substitute-key-definition [f29] [C-f5] local-function-key-map)
 360     (substitute-key-definition [f30] [C-f6] local-function-key-map)
 361     (substitute-key-definition [f31] [C-f7] local-function-key-map)
 362     (substitute-key-definition [f32] [C-f8] local-function-key-map)
 363     (substitute-key-definition [f33] [C-f9] local-function-key-map)
 364     (substitute-key-definition [f34] [C-f10] local-function-key-map)
 365     (substitute-key-definition [f35] [C-f11] local-function-key-map)
 366     (substitute-key-definition [f36] [C-f12] local-function-key-map)
 367
 368     (substitute-key-definition [f37] [C-S-f1] local-function-key-map)
 369     (substitute-key-definition [f38] [C-S-f2] local-function-key-map)
 370     (substitute-key-definition [f39] [C-S-f3] local-function-key-map)
 371     (substitute-key-definition [f40] [C-S-f4] local-function-key-map)
 372     (substitute-key-definition [f41] [C-S-f5] local-function-key-map)
 373     (substitute-key-definition [f42] [C-S-f6] local-function-key-map)
 374     (substitute-key-definition [f43] [C-S-f7] local-function-key-map)
 375     (substitute-key-definition [f44] [C-S-f8] local-function-key-map)
 376     (substitute-key-definition [f45] [C-S-f9] local-function-key-map)
 377     (substitute-key-definition [f46] [C-S-f10] local-function-key-map)
 378     (substitute-key-definition [f47] [C-S-f11] local-function-key-map)
 379     (substitute-key-definition [f48] [C-S-f12] local-function-key-map)
 380
 381     (substitute-key-definition [f49] [A-f1] local-function-key-map)
 382     (substitute-key-definition [f50] [A-f2] local-function-key-map)
 383     (substitute-key-definition [f51] [A-f3] local-function-key-map)
 384     (substitute-key-definition [f52] [A-f4] local-function-key-map)
 385     (substitute-key-definition [f53] [A-f5] local-function-key-map)
 386     (substitute-key-definition [f54] [A-f6] local-function-key-map)
 387     (substitute-key-definition [f55] [A-f7] local-function-key-map)
 388     (substitute-key-definition [f56] [A-f8] local-function-key-map)
 389     (substitute-key-definition [f57] [A-f9] local-function-key-map)
 390     (substitute-key-definition [f58] [A-f10] local-function-key-map)
 391     (substitute-key-definition [f59] [A-f11] local-function-key-map)
 392     (substitute-key-definition [f60] [A-f12] local-function-key-map)
 393
 394     (let ((map (copy-keymap xterm-function-map)))
 395
 396       ;; Use inheritance to let the main keymap override those defaults.
 397       ;; This way we don't override terminfo-derived settings or settings
 398       ;; made in the .emacs file.
 399       (set-keymap-parent map (keymap-parent local-function-key-map))
 400       (set-keymap-parent local-function-key-map map)))
 401
 402     (xterm-register-default-colors)
 403     ;; This recomputes all the default faces given the colors we've just set up.
 404     (tty-set-up-initial-frame-faces)
 405
 406     ;; Try to turn on the modifyOtherKeys feature on modern xterms.
 407     ;; When it is turned on much more key bindings work: things like
 408     ;; C-. C-, etc.
 409     ;; To do that we need to find out if the current terminal supports
 410     ;; modifyOtherKeys. At this time only xterm does.
 411     (let ((coding-system-for-read 'binary)
 412           (chr nil)
 413           (str nil))
 414       ;; Try to find out the type of terminal by sending a "Secondary
 415       ;; Device Attributes (DA)" query.
 416       (send-string-to-terminal "\e[>0c")
 417
 418       ;; The reply should be of the form: \e [ > NUMBER1 ; NUMBER2 ; NUMBER3 c
 419       (when (equal (read-event nil nil 0.1) ?\e)
 420         (when (equal (read-event nil nil 0.1) ?\[)
 421           (while (not (equal (setq chr (read-event nil nil 0.1)) ?c))
 422             (setq str (concat str (string chr))))
 423           (when (string-match ">0;\\([0-9]+\\);0" str)
 424             ;; NUMBER2 is the xterm version number, look for something
 425             ;; greater than 216, the version when modifyOtherKeys was
 426             ;; introduced.
 427             (when (>= (string-to-number
 428                        (substring str (match-beginning 1) (match-end 1))) 216)
 429               ;; Make sure that the modifyOtherKeys state is restored when
 430               ;; suspending, resuming and exiting.
 431               (add-hook 'suspend-hook 'xterm-turn-off-modify-other-keys)
 432               (add-hook 'suspend-resume-hook 'xterm-turn-on-modify-other-keys)
 433               (add-hook 'kill-emacs-hook 'xterm-turn-off-modify-other-keys)
 434               (xterm-turn-on-modify-other-keys)))))))
 435
 436 ;; Set up colors, for those versions of xterm that support it.
 437 (defvar xterm-standard-colors
 438   ;; The names in the comments taken from XTerm-col.ad in the xterm
 439   ;; distribution, see ftp://dickey.his.com/xterm/.  RGB values are
 440   ;; from rgb.txt.
 441   '(("black"          0 (  0   0   0))  ; black
 442     ("red"            1 (205   0   0))  ; red3
 443     ("green"          2 (  0 205   0))  ; green3
 444     ("yellow"         3 (205 205   0))  ; yellow3
 445     ("blue"           4 (  0   0 238))  ; blue2
 446     ("magenta"        5 (205   0 205))  ; magenta3
 447     ("cyan"           6 (  0 205 205))  ; cyan3
 448     ("white"          7 (229 229 229))  ; gray90
 449     ("brightblack"    8 (127 127 127))  ; gray50
 450     ("brightred"      9 (255   0   0))  ; red
 451     ("brightgreen"   10 (  0 255   0))  ; green
 452     ("brightyellow"  11 (255 255   0))  ; yellow
 453     ("brightblue"    12 (92   92 255))  ; rgb:5c/5c/ff
 454     ("brightmagenta" 13 (255   0 255))  ; magenta
 455     ("brightcyan"    14 (  0 255 255))  ; cyan
 456     ("brightwhite"   15 (255 255 255))) ; white
 457   "Names of 16 standard xterm/aixterm colors, their numbers, and RGB values.")
 458
 459 (defun xterm-rgb-convert-to-16bit (prim)
 460   "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value."
 461   (logior prim (lsh prim 8)))
 462
 463 (defun xterm-register-default-colors ()
 464   "Register the default set of colors for xterm or compatible emulator.
 465
 466 This function registers the number of colors returned by `display-color-cells'
 467 for the currently selected frame.  The first 16 colors are taken from
 468 `xterm-standard-colors', which see, while the rest are computed assuming
 469 either the 88- or 256-color standard color scheme supported by latest
 470 versions of xterm."
 471   (let* ((ncolors (display-color-cells (selected-frame)))
 472          (colors xterm-standard-colors)
 473          (color (car colors)))
 474     (if (> ncolors 0)
 475         ;; Clear the 8 default tty colors registered by startup.el
 476         (tty-color-clear))
 477     ;; Only register as many colors as are supported by the display.
 478     (while (and (> ncolors 0) colors)
 479       (tty-color-define (car color) (cadr color)
 480                         (mapcar 'xterm-rgb-convert-to-16bit
 481                                 (car (cddr color))))
 482       (setq colors (cdr colors)
 483             color (car colors)
 484             ncolors (1- ncolors)))
 485     ;; We've exhausted the colors from `xterm-standard-colors'.  If there
 486     ;; are more colors to support, compute them now.
 487     (when (> ncolors 0)
 488       (cond
 489        ((= ncolors 240) ; 256-color xterm
 490         ;; 216 non-gray colors first
 491         (let ((r 0) (g 0) (b 0))
 492           (while (> ncolors 24)
 493             ;; This and other formulae taken from 256colres.pl and
 494             ;; 88colres.pl in the xterm distribution.
 495             (tty-color-define (format "color-%d" (- 256 ncolors))
 496                               (- 256 ncolors)
 497                               (mapcar 'xterm-rgb-convert-to-16bit
 498                                       (list (if (zerop r) 0 (+ (* r 40) 55))
 499                                             (if (zerop g) 0 (+ (* g 40) 55))
 500                                             (if (zerop b) 0 (+ (* b 40) 55)))))
 501
 502             (setq b (1+ b))
 503             (if (> b 5)
 504                 (setq g (1+ g)
 505                       b 0))
 506             (if (> g 5)
 507                 (setq r (1+ r)
 508                       g 0))
 509             (setq ncolors (1- ncolors))))
 510         ;; Now the 24 gray colors
 511         (while (> ncolors 0)
 512           (setq color (xterm-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10))))
 513           (tty-color-define (format "color-%d" (- 256 ncolors))
 514                             (- 256 ncolors)
 515                             (list color color color))
 516           (setq ncolors (1- ncolors))))
 517        ((= ncolors 72)  ; 88-color xterm
 518         ;; 64 non-gray colors
 519         (let ((levels '(0 139 205 255))
 520               (r 0) (g 0) (b 0))
 521           (while (> ncolors 8)
 522             (tty-color-define (format "color-%d" (- 88 ncolors))
 523                               (- 88 ncolors)
 524                               (mapcar 'xterm-rgb-convert-to-16bit
 525                                       (list (nth r levels)
 526                                             (nth g levels)
 527                                             (nth b levels))))
 528             (setq b (1+ b))
 529             (if (> b 3)
 530                 (setq g (1+ g)
 531                       b 0))
 532             (if (> g 3)
 533                 (setq r (1+ r)
 534                       g 0))
 535             (setq ncolors (1- ncolors))))
 536         ;; Now the 8 gray colors
 537         (while (> ncolors 0)
 538           (setq color (xterm-rgb-convert-to-16bit
 539                        (floor
 540                         (if (= ncolors 8)
 541                             46.36363636
 542                           (+ (* (- 8 ncolors) 23.18181818) 69.54545454)))))
 543           (tty-color-define (format "color-%d" (- 88 ncolors))
 544                             (- 88 ncolors)
 545                             (list color color color))
 546           (setq ncolors (1- ncolors))))
 547        (t (error "Unsupported number of xterm colors (%d)" (+ 16 ncolors)))))
 548     ;; Modifying color mappings means realized faces don't use the
 549     ;; right colors, so clear them.
 550     (clear-face-cache)))
 551
 552 (defun xterm-turn-on-modify-other-keys ()
 553   "Turn on the modifyOtherKeys feature of xterm."
 554   (send-string-to-terminal "\e[>4;1m"))
 555
 556 (defun xterm-turn-off-modify-other-keys ()
 557   "Turn off the modifyOtherKeys feature of xterm."
 558   (send-string-to-terminal "\e[>4m"))
 559
 560 ;; arch-tag: 12e7ebdd-1e6c-4b25-b0f9-35ace25e855a
 561 ;;; xterm.el ends here