1;;; rxvt.el --- define function key sequences and standard colors for rxvt 2 3;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. 4 5;; Author: Eli Zaretskii 6;; Keywords: terminals 7 8;; This file is part of GNU Emacs. 9 10;; GNU Emacs is free software; you can redistribute it and/or modify 11;; it under the terms of the GNU General Public License as published by 12;; the Free Software Foundation; either version 2, or (at your option) 13;; any later version. 14 15;; GNU Emacs is distributed in the hope that it will be useful, 16;; but WITHOUT ANY WARRANTY; without even the implied warranty of 17;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18;; GNU General Public License for more details. 19 20;; You should have received a copy of the GNU General Public License 21;; along with GNU Emacs; see the file COPYING. If not, write to the 22;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 23;; Boston, MA 02110-1301, USA. 24 25;;; Commentary: 26 27;;; Code: 28 29(defun terminal-init-rxvt () 30 "Terminal initialization function for rxvt." 31 ;; The terminal intialization C code file might have initialized 32 ;; function keys F11->F42 from the termcap/terminfo information. On 33 ;; a PC-style keyboard these keys correspond to 34 ;; MODIFIER-FUNCTION_KEY, where modifier is S-, C-, C-S-. The 35 ;; code here subsitutes the corresponding defintions in 36 ;; function-key-map. This substitution is needed because if a key 37 ;; definition if found in function-key-map, there are no further 38 ;; lookups in other keymaps. 39 (substitute-key-definition [f11] [S-f1] function-key-map) 40 (substitute-key-definition [f12] [S-f2] function-key-map) 41 (substitute-key-definition [f13] [S-f3] function-key-map) 42 (substitute-key-definition [f14] [S-f4] function-key-map) 43 (substitute-key-definition [f15] [S-f5] function-key-map) 44 (substitute-key-definition [f16] [S-f6] function-key-map) 45 (substitute-key-definition [f17] [S-f7] function-key-map) 46 (substitute-key-definition [f18] [S-f8] function-key-map) 47 (substitute-key-definition [f19] [S-f9] function-key-map) 48 (substitute-key-definition [f20] [S-f10] function-key-map) 49 50 (substitute-key-definition [f23] [C-f1] function-key-map) 51 (substitute-key-definition [f24] [C-f2] function-key-map) 52 (substitute-key-definition [f25] [C-f3] function-key-map) 53 (substitute-key-definition [f26] [C-f4] function-key-map) 54 (substitute-key-definition [f27] [C-f5] function-key-map) 55 (substitute-key-definition [f28] [C-f6] function-key-map) 56 (substitute-key-definition [f29] [C-f7] function-key-map) 57 (substitute-key-definition [f30] [C-f8] function-key-map) 58 (substitute-key-definition [f31] [C-f9] function-key-map) 59 (substitute-key-definition [f32] [C-f10] function-key-map) 60 61 (substitute-key-definition [f33] [C-S-f1] function-key-map) 62 (substitute-key-definition [f34] [C-S-f2] function-key-map) 63 (substitute-key-definition [f35] [C-S-f3] function-key-map) 64 (substitute-key-definition [f36] [C-S-f4] function-key-map) 65 (substitute-key-definition [f37] [C-S-f5] function-key-map) 66 (substitute-key-definition [f38] [C-S-f6] function-key-map) 67 (substitute-key-definition [f39] [C-S-f7] function-key-map) 68 (substitute-key-definition [f40] [C-S-f8] function-key-map) 69 (substitute-key-definition [f41] [C-S-f9] function-key-map) 70 (substitute-key-definition [f42] [C-S-f10] function-key-map) 71 72 ;; Set up function-key-map entries that termcap and terminfo don't know. 73 (let ((map (make-sparse-keymap))) 74 (define-key map "\e[A" [up]) 75 (define-key map "\e[B" [down]) 76 (define-key map "\e[C" [right]) 77 (define-key map "\e[D" [left]) 78 (define-key map "\e[2~" [insert]) 79 (define-key map "\e[3~" [delete]) 80 (define-key map "\e[4~" [select]) 81 (define-key map "\e[5~" [prior]) 82 (define-key map "\e[6~" [next]) 83 (define-key map "\e[7~" [home]) 84 (define-key map "\e[8~" [end]) 85 (define-key map "\e[11~" [f1]) 86 (define-key map "\e[12~" [f2]) 87 (define-key map "\e[13~" [f3]) 88 (define-key map "\e[14~" [f4]) 89 (define-key map "\e[15~" [f5]) 90 (define-key map "\e[17~" [f6]) 91 (define-key map "\e[18~" [f7]) 92 (define-key map "\e[19~" [f8]) 93 (define-key map "\e[20~" [f9]) 94 (define-key map "\e[21~" [f10]) 95 ;; The strings emitted by f11 and f12 are the same as the strings 96 ;; emitted by S-f1 and S-f2, so don't define f11 and f12. 97 ;; (define-key map "\e[23~" [f11]) 98 ;; (define-key map "\e[24~" [f12]) 99 (define-key map "\e[29~" [print]) 100 101 (define-key map "\e[11^" [C-f1]) 102 (define-key map "\e[12^" [C-f2]) 103 (define-key map "\e[13^" [C-f3]) 104 (define-key map "\e[14^" [C-f4]) 105 (define-key map "\e[15^" [C-f5]) 106 (define-key map "\e[17^" [C-f6]) 107 (define-key map "\e[18^" [C-f7]) 108 (define-key map "\e[19^" [C-f8]) 109 (define-key map "\e[20^" [C-f9]) 110 (define-key map "\e[21^" [C-f10]) 111 112 (define-key map "\e[23~" [S-f1]) 113 (define-key map "\e[24~" [S-f2]) 114 (define-key map "\e[25~" [S-f3]) 115 (define-key map "\e[26~" [S-f4]) 116 (define-key map "\e[28~" [S-f5]) 117 (define-key map "\e[29~" [S-f6]) 118 (define-key map "\e[31~" [S-f7]) 119 (define-key map "\e[32~" [S-f8]) 120 (define-key map "\e[33~" [S-f9]) 121 (define-key map "\e[34~" [S-f10]) 122 123 (define-key map "\e[23^" [C-S-f1]) 124 (define-key map "\e[24^" [C-S-f2]) 125 (define-key map "\e[25^" [C-S-f3]) 126 (define-key map "\e[26^" [C-S-f4]) 127 (define-key map "\e[28^" [C-S-f5]) 128 (define-key map "\e[29^" [C-S-f6]) 129 (define-key map "\e[31^" [C-S-f7]) 130 (define-key map "\e[32^" [C-S-f8]) 131 (define-key map "\e[33^" [C-S-f9]) 132 (define-key map "\e[34^" [C-S-f10]) 133 134 (define-key map "\e[2^" [C-insert]) 135 (define-key map "\e[3^" [C-delete]) 136 (define-key map "\e[5^" [C-prior]) 137 (define-key map "\e[6^" [C-next]) 138 (define-key map "\e[7^" [C-home]) 139 (define-key map "\e[8^" [C-end]) 140 (define-key map "\eOd" [C-left]) 141 (define-key map "\eOc" [C-right]) 142 (define-key map "\eOa" [C-up]) 143 (define-key map "\eOb" [C-down]) 144 145 (define-key map "\e[2;2~" [S-insert]) 146 (define-key map "\e[3$" [S-delete]) 147 (define-key map "\e[5$" [S-prior]) 148 (define-key map "\e[6$" [S-next]) 149 (define-key map "\e[7$" [S-home]) 150 (define-key map "\e[8$" [S-end]) 151 (define-key map "\e[d" [S-left]) 152 (define-key map "\e[c" [S-right]) 153 (define-key map "\e[a" [S-up]) 154 (define-key map "\e[b" [S-down]) 155 156 ;; Use inheritance to let the main keymap override those defaults. 157 ;; This way we don't override terminfo-derived settings or settings 158 ;; made in the .emacs file. 159 (set-keymap-parent map (keymap-parent function-key-map)) 160 (set-keymap-parent function-key-map map)) 161 162 ;; Initialize colors and background mode. 163 (rxvt-register-default-colors) 164 (rxvt-set-background-mode) 165 ;; This recomputes all the default faces given the colors we've just set up. 166 (tty-set-up-initial-frame-faces)) 167 168;; Set up colors, for those versions of rxvt that support it. 169(defvar rxvt-standard-colors 170 ;; The names of the colors in the comments taken from the rxvt.1 man 171 ;; page; the corresponding RGB values--from rgb.txt. 172 '(("black" 0 ( 0 0 0)) ; black 173 ("red" 1 (205 0 0)) ; red3 174 ("green" 2 ( 0 205 0)) ; green3 175 ("yellow" 3 (205 205 0)) ; yellow3 176 ("blue" 4 ( 0 0 205)) ; blue3 177 ("magenta" 5 (205 0 205)) ; magenta3 178 ("cyan" 6 ( 0 205 205)) ; cyan3 179 ("white" 7 (229 229 229)) ; gray90 180 ("brightblack" 8 ( 77 77 77)) ; gray30 181 ("brightred" 9 (255 0 0)) ; red 182 ("brightgreen" 10 ( 0 255 0)) ; green 183 ("brightyellow" 11 (255 255 0)) ; yellow 184 ("brightblue" 12 ( 0 0 255)) ; blue 185 ("brightmagenta" 13 (255 0 255)) ; magenta 186 ("brightcyan" 14 ( 0 255 255)) ; cyan 187 ("brightwhite" 15 (255 255 255))) ; white 188 "Names of 16 standard rxvt colors, their numbers, and RGB values.") 189 190(defun rxvt-rgb-convert-to-16bit (prim) 191 "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value." 192 (min 65535 (round (* (/ prim 255.0) 65535.0)))) 193 194(defun rxvt-register-default-colors () 195 "Register the default set of colors for rxvt or compatible emulator. 196 197This function registers the number of colors returned by `display-color-cells' 198for the currently selected frame." 199 (let* ((ncolors (display-color-cells)) 200 (colors rxvt-standard-colors) 201 (color (car colors))) 202 (if (> ncolors 0) 203 ;; Clear the 8 default tty colors registered by startup.el 204 (tty-color-clear)) 205 ;; Only register as many colors as are supported by the display. 206 (while (and (> ncolors 0) colors) 207 (tty-color-define (car color) (cadr color) 208 (mapcar 'rxvt-rgb-convert-to-16bit 209 (car (cddr color)))) 210 (setq colors (cdr colors) 211 color (car colors) 212 ncolors (1- ncolors))) 213 (when (> ncolors 0) 214 (cond 215 ((= ncolors 240) ; 256-color rxvt 216 ;; 216 non-gray colors first 217 (let ((r 0) (g 0) (b 0)) 218 (while (> ncolors 24) 219 ;; This and other formulae taken from 256colres.pl and 220 ;; 88colres.pl in the xterm distribution. 221 (tty-color-define (format "color-%d" (- 256 ncolors)) 222 (- 256 ncolors) 223 (mapcar 'rxvt-rgb-convert-to-16bit 224 (list (round (* r 42.5)) 225 (round (* g 42.5)) 226 (round (* b 42.5))))) 227 (setq b (1+ b)) 228 (if (> b 5) 229 (setq g (1+ g) 230 b 0)) 231 (if (> g 5) 232 (setq r (1+ r) 233 g 0)) 234 (setq ncolors (1- ncolors)))) 235 ;; Now the 24 gray colors 236 (while (> ncolors 0) 237 (setq color (rxvt-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10)))) 238 (tty-color-define (format "color-%d" (- 256 ncolors)) 239 (- 256 ncolors) 240 (list color color color)) 241 (setq ncolors (1- ncolors)))) 242 243 ((= ncolors 72) ; rxvt-unicode 244 ;; 64 non-gray colors 245 (let ((levels '(0 139 205 255)) 246 (r 0) (g 0) (b 0)) 247 (while (> ncolors 8) 248 (tty-color-define (format "color-%d" (- 88 ncolors)) 249 (- 88 ncolors) 250 (mapcar 'rxvt-rgb-convert-to-16bit 251 (list (nth r levels) 252 (nth g levels) 253 (nth b levels)))) 254 (setq b (1+ b)) 255 (if (> b 3) 256 (setq g (1+ g) 257 b 0)) 258 (if (> g 3) 259 (setq r (1+ r) 260 g 0)) 261 (setq ncolors (1- ncolors)))) 262 ;; Now the 8 gray colors 263 (while (> ncolors 0) 264 (setq color (rxvt-rgb-convert-to-16bit 265 (floor 266 (if (= ncolors 8) 267 46.36363636 268 (+ (* (- 8 ncolors) 23.18181818) 69.54545454))))) 269 (tty-color-define (format "color-%d" (- 88 ncolors)) 270 (- 88 ncolors) 271 (list color color color)) 272 (setq ncolors (1- ncolors)))) 273 (t (error "Unsupported number of rxvt colors (%d)" (+ 16 ncolors))))) 274 ;; Modifying color mappings means realized faces don't use the 275 ;; right colors, so clear them. 276 (clear-face-cache))) 277 278;; rxvt puts the default colors into an environment variable 279;; COLORFGBG. We use this to set the background mode in a more 280;; intelligent way than the default guesswork in startup.el. 281(defun rxvt-set-background-mode () 282 "Set background mode as appropriate for the default rxvt colors." 283 (let ((fgbg (getenv "COLORFGBG")) 284 bg rgb) 285 (setq default-frame-background-mode 'light) 286 (when (and fgbg 287 (string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg)) 288 (setq bg (string-to-number (substring fgbg (match-beginning 1)))) 289 ;; The next line assumes that rxvt-standard-colors are ordered 290 ;; by the color index in the ascending order! 291 (setq rgb (car (cddr (nth bg rxvt-standard-colors)))) 292 ;; See the commentary in frame-set-background-mode about the 293 ;; computation below. 294 (if (< (apply '+ rgb) 295 ;; The following line assumes that white is the 15th 296 ;; color in rxvt-standard-colors. 297 (* (apply '+ (car (cddr (nth 15 rxvt-standard-colors)))) 0.6)) 298 (setq default-frame-background-mode 'dark))) 299 (frame-set-background-mode (selected-frame)))) 300 301;; arch-tag: 20cf2fb6-6318-4bab-9dbf-1d15048f2257 302;;; rxvt.el ends here 303