;;; xterm.el --- define function key sequences and standard colors for xterm ;; Copyright (C) 1995, 2002, 2005 Free Software Foundation, Inc. ;; Author: FSF ;; Keywords: terminals ;; This file is part of GNU Emacs. ;; GNU Emacs is free software; you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 2, or (at your option) ;; any later version. ;; GNU Emacs is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs; see the file COPYING. If not, write to the ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. ;;; Commentary: ;;; Code: (require 'server) (defvar xterm-function-map nil "Function key map overrides for xterm.") ;; The terminal intialization C code file might have initialized ;; function keys F13->F60 from the termcap/terminfo information. On ;; a PC-style keyboard these keys correspond to ;; MODIFIER-FUNCTION_KEY, where modifier is S-, C, A-, C-S-. The ;; code here subsitutes the corresponding defintions in ;; function-key-map. This substitution is needed because if a key ;; definition if found in function-key-map, there are no further ;; lookups in other keymaps. (let ((m (terminal-local-value 'function-key-map nil))) (substitute-key-definition [f13] [S-f1] m) (substitute-key-definition [f14] [S-f2] m) (substitute-key-definition [f15] [S-f3] m) (substitute-key-definition [f16] [S-f4] m) (substitute-key-definition [f17] [S-f5] m) (substitute-key-definition [f18] [S-f6] m) (substitute-key-definition [f19] [S-f7] m) (substitute-key-definition [f20] [S-f8] m) (substitute-key-definition [f21] [S-f9] m) (substitute-key-definition [f22] [S-f10] m) (substitute-key-definition [f23] [S-f11] m) (substitute-key-definition [f24] [S-f12] m) (substitute-key-definition [f25] [C-f1] m) (substitute-key-definition [f26] [C-f2] m) (substitute-key-definition [f27] [C-f3] m) (substitute-key-definition [f28] [C-f4] m) (substitute-key-definition [f29] [C-f5] m) (substitute-key-definition [f30] [C-f6] m) (substitute-key-definition [f31] [C-f7] m) (substitute-key-definition [f32] [C-f8] m) (substitute-key-definition [f33] [C-f9] m) (substitute-key-definition [f34] [C-f10] m) (substitute-key-definition [f35] [C-f11] m) (substitute-key-definition [f36] [C-f12] m) (substitute-key-definition [f37] [C-S-f1] m) (substitute-key-definition [f38] [C-S-f2] m) (substitute-key-definition [f39] [C-S-f3] m) (substitute-key-definition [f40] [C-S-f4] m) (substitute-key-definition [f41] [C-S-f5] m) (substitute-key-definition [f42] [C-S-f6] m) (substitute-key-definition [f43] [C-S-f7] m) (substitute-key-definition [f44] [C-S-f8] m) (substitute-key-definition [f45] [C-S-f9] m) (substitute-key-definition [f46] [C-S-f10] m) (substitute-key-definition [f47] [C-S-f11] m) (substitute-key-definition [f48] [C-S-f12] m) (substitute-key-definition [f49] [A-f1] m) (substitute-key-definition [f50] [A-f2] m) (substitute-key-definition [f51] [A-f3] m) (substitute-key-definition [f52] [A-f4] m) (substitute-key-definition [f53] [A-f5] m) (substitute-key-definition [f54] [A-f6] m) (substitute-key-definition [f55] [A-f7] m) (substitute-key-definition [f56] [A-f8] m) (substitute-key-definition [f57] [A-f9] m) (substitute-key-definition [f58] [A-f10] m) (substitute-key-definition [f59] [A-f11] m) (substitute-key-definition [f60] [A-f12] m)) ;; Make reloads faster. (unless xterm-function-map (setq xterm-function-map (make-sparse-keymap)) (define-key xterm-function-map "\e[A" [up]) (define-key xterm-function-map "\e[B" [down]) (define-key xterm-function-map "\e[C" [right]) (define-key xterm-function-map "\e[D" [left]) (define-key xterm-function-map "\e[1~" [home]) (define-key xterm-function-map "\e[2~" [insert]) (define-key xterm-function-map "\e[3~" [delete]) (define-key xterm-function-map "\e[4~" [select]) (define-key xterm-function-map "\e[5~" [prior]) (define-key xterm-function-map "\e[6~" [next]) (define-key xterm-function-map "\e[11~" [f1]) (define-key xterm-function-map "\e[12~" [f2]) (define-key xterm-function-map "\e[13~" [f3]) (define-key xterm-function-map "\e[14~" [f4]) (define-key xterm-function-map "\e[15~" [f5]) (define-key xterm-function-map "\e[17~" [f6]) (define-key xterm-function-map "\e[18~" [f7]) (define-key xterm-function-map "\e[19~" [f8]) (define-key xterm-function-map "\e[20~" [f9]) (define-key xterm-function-map "\e[21~" [f10]) (define-key xterm-function-map "\e[23~" [f11]) (define-key xterm-function-map "\e[24~" [f12]) (define-key xterm-function-map "\e[29~" [print]) (define-key xterm-function-map "\eOP" [f1]) (define-key xterm-function-map "\eOQ" [f2]) (define-key xterm-function-map "\eOR" [f3]) (define-key xterm-function-map "\eOS" [f4]) (define-key xterm-function-map "\eO2P" [S-f1]) (define-key xterm-function-map "\eO2Q" [S-f2]) (define-key xterm-function-map "\eO2R" [S-f3]) (define-key xterm-function-map "\eO2S" [S-f4]) (define-key xterm-function-map "\e[15;2~" [S-f5]) (define-key xterm-function-map "\e[17;2~" [S-f6]) (define-key xterm-function-map "\e[18;2~" [S-f7]) (define-key xterm-function-map "\e[19;2~" [S-f8]) (define-key xterm-function-map "\e[20;2~" [S-f9]) (define-key xterm-function-map "\e[21;2~" [S-f10]) (define-key xterm-function-map "\e[23;2~" [S-f11]) (define-key xterm-function-map "\e[24;2~" [S-f12]) (define-key xterm-function-map "\eO5P" [C-f1]) (define-key xterm-function-map "\eO5Q" [C-f2]) (define-key xterm-function-map "\eO5R" [C-f3]) (define-key xterm-function-map "\eO5S" [C-f4]) (define-key xterm-function-map "\e[15;5~" [C-f5]) (define-key xterm-function-map "\e[17;5~" [C-f6]) (define-key xterm-function-map "\e[18;5~" [C-f7]) (define-key xterm-function-map "\e[19;5~" [C-f8]) (define-key xterm-function-map "\e[20;5~" [C-f9]) (define-key xterm-function-map "\e[21;5~" [C-f10]) (define-key xterm-function-map "\e[23;5~" [C-f11]) (define-key xterm-function-map "\e[24;5~" [C-f12]) (define-key xterm-function-map "\eO6P" [C-S-f1]) (define-key xterm-function-map "\eO6Q" [C-S-f2]) (define-key xterm-function-map "\eO6R" [C-S-f3]) (define-key xterm-function-map "\eO6S" [C-S-f4]) (define-key xterm-function-map "\e[15;6~" [C-S-f5]) (define-key xterm-function-map "\e[17;6~" [C-S-f6]) (define-key xterm-function-map "\e[18;6~" [C-S-f7]) (define-key xterm-function-map "\e[19;6~" [C-S-f8]) (define-key xterm-function-map "\e[20;6~" [C-S-f9]) (define-key xterm-function-map "\e[21;6~" [C-S-f10]) (define-key xterm-function-map "\e[23;6~" [C-S-f11]) (define-key xterm-function-map "\e[24;6~" [C-S-f12]) (define-key xterm-function-map "\eO3P" [A-f1]) (define-key xterm-function-map "\eO3Q" [A-f2]) (define-key xterm-function-map "\eO3R" [A-f3]) (define-key xterm-function-map "\eO3S" [A-f4]) (define-key xterm-function-map "\e[15;3~" [A-f5]) (define-key xterm-function-map "\e[17;3~" [A-f6]) (define-key xterm-function-map "\e[18;3~" [A-f7]) (define-key xterm-function-map "\e[19;3~" [A-f8]) (define-key xterm-function-map "\e[20;3~" [A-f9]) (define-key xterm-function-map "\e[21;3~" [A-f10]) (define-key xterm-function-map "\e[23;3~" [A-f11]) (define-key xterm-function-map "\e[24;3~" [A-f12]) (define-key xterm-function-map "\e[1;2A" [S-up]) (define-key xterm-function-map "\e[1;2B" [S-down]) (define-key xterm-function-map "\e[1;2C" [S-right]) (define-key xterm-function-map "\e[1;2D" [S-left]) (define-key xterm-function-map "\e[1;2F" [S-end]) (define-key xterm-function-map "\e[1;2H" [S-home]) (define-key xterm-function-map "\e[1;5A" [C-up]) (define-key xterm-function-map "\e[1;5B" [C-down]) (define-key xterm-function-map "\e[1;5C" [C-right]) (define-key xterm-function-map "\e[1;5D" [C-left]) (define-key xterm-function-map "\e[1;5F" [C-end]) (define-key xterm-function-map "\e[1;5H" [C-home]) (define-key xterm-function-map "\e[1;6A" [C-S-up]) (define-key xterm-function-map "\e[1;6B" [C-S-down]) (define-key xterm-function-map "\e[1;6C" [C-S-right]) (define-key xterm-function-map "\e[1;6D" [C-S-left]) (define-key xterm-function-map "\e[1;6F" [C-S-end]) (define-key xterm-function-map "\e[1;6H" [C-S-home]) (define-key xterm-function-map "\e[1;3A" [A-up]) (define-key xterm-function-map "\e[1;3B" [A-down]) (define-key xterm-function-map "\e[1;3C" [A-right]) (define-key xterm-function-map "\e[1;3D" [A-left]) (define-key xterm-function-map "\e[1;3F" [A-end]) (define-key xterm-function-map "\e[1;3H" [A-home]) (define-key xterm-function-map "\e[2;2~" [S-insert]) (define-key xterm-function-map "\e[3;2~" [S-delete]) (define-key xterm-function-map "\e[5;2~" [S-prior]) (define-key xterm-function-map "\e[6;2~" [S-next]) (define-key xterm-function-map "\e[2;5~" [C-insert]) (define-key xterm-function-map "\e[3;5~" [C-delete]) (define-key xterm-function-map "\e[5;5~" [C-prior]) (define-key xterm-function-map "\e[6;5~" [C-next]) (define-key xterm-function-map "\e[2;6~" [C-S-insert]) (define-key xterm-function-map "\e[3;6~" [C-S-delete]) (define-key xterm-function-map "\e[5;6~" [C-S-prior]) (define-key xterm-function-map "\e[6;6~" [C-S-next]) (define-key xterm-function-map "\e[2;3~" [A-insert]) (define-key xterm-function-map "\e[3;3~" [A-delete]) (define-key xterm-function-map "\e[5;3~" [A-prior]) (define-key xterm-function-map "\e[6;3~" [A-next]) (define-key xterm-function-map "\eOA" [up]) (define-key xterm-function-map "\eOB" [down]) (define-key xterm-function-map "\eOC" [right]) (define-key xterm-function-map "\eOD" [left]) (define-key xterm-function-map "\eOF" [end]) (define-key xterm-function-map "\eOH" [home]) (define-key xterm-function-map "\eO2A" [S-up]) (define-key xterm-function-map "\eO2B" [S-down]) (define-key xterm-function-map "\eO2C" [S-right]) (define-key xterm-function-map "\eO2D" [S-left]) (define-key xterm-function-map "\eO2F" [S-end]) (define-key xterm-function-map "\eO2H" [S-home]) (define-key xterm-function-map "\eO5A" [C-up]) (define-key xterm-function-map "\eO5B" [C-down]) (define-key xterm-function-map "\eO5C" [C-right]) (define-key xterm-function-map "\eO5D" [C-left]) (define-key xterm-function-map "\eO5F" [C-end]) (define-key xterm-function-map "\eO5H" [C-home])) ;; Use inheritance to let the main keymap override those defaults. ;; This way we don't override terminfo-derived settings or settings ;; made in the .emacs file. (let ((m (copy-keymap xterm-function-map))) (set-keymap-parent m (keymap-parent (terminal-local-value 'function-key-map nil))) (set-keymap-parent (terminal-local-value 'function-key-map nil) m)) ;; Set up colors, for those versions of xterm that support it. (defvar xterm-standard-colors ;; The names in the comments taken from XTerm-col.ad in the xterm ;; distribution, see ftp://dickey.his.com/xterm/. RGB values are ;; from rgb.txt. '(("black" 0 ( 0 0 0)) ; black ("red" 1 (205 0 0)) ; red3 ("green" 2 ( 0 205 0)) ; green3 ("yellow" 3 (205 205 0)) ; yellow3 ("blue" 4 ( 0 0 238)) ; blue2 ("magenta" 5 (205 0 205)) ; magenta3 ("cyan" 6 ( 0 205 205)) ; cyan3 ("white" 7 (229 229 229)) ; gray90 ("brightblack" 8 (127 127 127)) ; gray50 ("brightred" 9 (255 0 0)) ; red ("brightgreen" 10 ( 0 255 0)) ; green ("brightyellow" 11 (255 255 0)) ; yellow ("brightblue" 12 (92 92 255)) ; rgb:5c/5c/ff ("brightmagenta" 13 (255 0 255)) ; magenta ("brightcyan" 14 ( 0 255 255)) ; cyan ("brightwhite" 15 (255 255 255))) ; white "Names of 16 standard xterm/aixterm colors, their numbers, and RGB values.") (defun xterm-rgb-convert-to-16bit (prim) "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value." (logior prim (lsh prim 8))) (defun xterm-register-default-colors () "Register the default set of colors for xterm or compatible emulator. This function registers the number of colors returned by `display-color-cells' for the currently selected frame. The first 16 colors are taken from `xterm-standard-colors', which see, while the rest are computed assuming either the 88- or 256-color standard color scheme supported by latest versions of xterm." (let* ((ncolors (display-color-cells (selected-frame))) (colors xterm-standard-colors) (color (car colors))) (if (> ncolors 0) ;; Clear the 8 default tty colors registered by startup.el (tty-color-clear)) ;; Only register as many colors as are supported by the display. (while (and (> ncolors 0) colors) (tty-color-define (car color) (cadr color) (mapcar 'xterm-rgb-convert-to-16bit (car (cddr color)))) (setq colors (cdr colors) color (car colors) ncolors (1- ncolors))) ;; We've exhausted the colors from `xterm-standard-colors'. If there ;; are more colors to support, compute them now. (when (> ncolors 0) (cond ((= ncolors 240) ; 256-color xterm ;; 216 non-gray colors first (let ((r 0) (g 0) (b 0)) (while (> ncolors 24) ;; This and other formulae taken from 256colres.pl and ;; 88colres.pl in the xterm distribution. (tty-color-define (format "color-%d" (- 256 ncolors)) (- 256 ncolors) (mapcar 'xterm-rgb-convert-to-16bit (list (if (zerop r) 0 (+ (* r 40) 55)) (if (zerop g) 0 (+ (* g 40) 55)) (if (zerop b) 0 (+ (* b 40) 55))))) (setq b (1+ b)) (if (> b 5) (setq g (1+ g) b 0)) (if (> g 5) (setq r (1+ r) g 0)) (setq ncolors (1- ncolors)))) ;; Now the 24 gray colors (while (> ncolors 0) (setq color (xterm-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10)))) (tty-color-define (format "color-%d" (- 256 ncolors)) (- 256 ncolors) (list color color color)) (setq ncolors (1- ncolors)))) ((= ncolors 72) ; 88-color xterm ;; 64 non-gray colors (let ((levels '(0 139 205 255)) (r 0) (g 0) (b 0)) (while (> ncolors 8) (tty-color-define (format "color-%d" (- 88 ncolors)) (- 88 ncolors) (mapcar 'xterm-rgb-convert-to-16bit (list (nth r levels) (nth g levels) (nth b levels)))) (setq b (1+ b)) (if (> b 3) (setq g (1+ g) b 0)) (if (> g 3) (setq r (1+ r) g 0)) (setq ncolors (1- ncolors)))) ;; Now the 8 gray colors (while (> ncolors 0) (setq color (xterm-rgb-convert-to-16bit (floor (if (= ncolors 8) 46.36363636 (+ (* (- 8 ncolors) 23.18181818) 69.54545454))))) (tty-color-define (format "color-%d" (- 88 ncolors)) (- 88 ncolors) (list color color color)) (setq ncolors (1- ncolors)))) (t (error "Unsupported number of xterm colors (%d)" (+ 16 ncolors))))) ;; Modifying color mappings means realized faces don't use the ;; right colors, so clear them. (clear-face-cache))) ;; rxvt puts the default colors into an environment variable ;; COLORFGBG. We use this to set the background mode in a more ;; intelligent way than the default guesswork in startup.el. (defun xterm-rxvt-set-background-mode () "Set background mode as appropriate for the default rxvt colors." (let ((fgbg (server-getenv "COLORFGBG")) bg rgb) (setq frame-background-mode 'light) ; default (when (and fgbg (string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg)) (setq bg (string-to-number (substring fgbg (match-beginning 1)))) ;; The next line assumes that xterm-standard-colors are ordered ;; by the color index in the ascending order! (setq rgb (car (cddr (nth bg xterm-standard-colors)))) ;; See the commentary in frame-set-background-mode about the ;; computation below. (if (< (apply '+ rgb) ;; The following line assumes that white is the 15th ;; color in xterm-standard-colors. (* (apply '+ (car (cddr (nth 15 xterm-standard-colors)))) 0.6)) (setq frame-background-mode 'dark))) (frame-set-background-mode (selected-frame)))) ;; Do it! (xterm-register-default-colors) ;; If this xterm is actually a disguised rxvt, be more intelligent about ;; determining the background mode. (and (server-getenv "COLORTERM") (string-match "\\`rxvt" (server-getenv "COLORTERM")) (xterm-rxvt-set-background-mode)) ;; This recomputes all the default faces given the colors we've just set up. (tty-set-up-initial-frame-faces) ;; arch-tag: 12e7ebdd-1e6c-4b25-b0f9-35ace25e855a ;;; xterm.el ends here