;;; rxvt.el --- define function key sequences and standard colors for rxvt ;; Copyright (C) 2002 Free Software Foundation, Inc. ;; Author: Eli Zaretskii ;; 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: (eval-when-compile (require 'server)) ;; Set up function-key-map entries that termcap and terminfo don't know. (let ((map (make-sparse-keymap))) (define-key map "\e[A" [up]) (define-key map "\e[B" [down]) (define-key map "\e[C" [right]) (define-key map "\e[D" [left]) (define-key map "\e[7~" [home]) (define-key map "\e[2~" [insert]) (define-key map "\e[3~" [delete]) (define-key map "\e[4~" [select]) (define-key map "\e[5~" [prior]) (define-key map "\e[6~" [next]) (define-key map "\e[11~" [f1]) (define-key map "\e[12~" [f2]) (define-key map "\e[13~" [f3]) (define-key map "\e[14~" [f4]) (define-key map "\e[15~" [f5]) (define-key map "\e[17~" [f6]) (define-key map "\e[18~" [f7]) (define-key map "\e[19~" [f8]) (define-key map "\e[20~" [f9]) (define-key map "\e[21~" [f10]) (define-key map "\e[23~" [f11]) (define-key map "\e[24~" [f12]) (define-key map "\e[29~" [print]) (define-key map "\e[11^" [C-f1]) (define-key map "\e[12^" [C-f2]) (define-key map "\e[13^" [C-f3]) (define-key map "\e[14^" [C-f4]) (define-key map "\e[15^" [C-f5]) (define-key map "\e[17^" [C-f6]) (define-key map "\e[18^" [C-f7]) (define-key map "\e[19^" [C-f8]) (define-key map "\e[20^" [C-f9]) (define-key map "\e[21^" [C-f10]) (define-key map "\e[23^" [C-f11]) (define-key map "\e[24^" [C-f12]) (define-key map "\e[29~" [print]) (define-key map "\e[2;2~" [S-insert]) (define-key map "\e[3$" [S-delete]) (define-key map "\e[2^" [C-insert]) (define-key map "\e[3^" [C-delete]) (define-key map "\e[5^" [C-prior]) (define-key map "\e[6^" [C-next]) (define-key map "\eOd" [C-left]) (define-key map "\eOc" [C-right]) (define-key map "\eOa" [C-up]) (define-key map "\eOb" [C-down]) (define-key map "\e[5$" [S-prior]) (define-key map "\e[6$" [S-next]) (define-key map "\e[8$" [S-end]) (define-key map "\e[7$" [S-home]) (define-key map "\e[d" [S-left]) (define-key map "\e[c" [S-right]) (define-key map "\e[a" [S-up]) (define-key map "\e[b" [S-down]) ;; 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. (set-keymap-parent map (keymap-parent function-key-map)) (set-keymap-parent function-key-map map)) ;; Set up colors, for those versions of rxvt that support it. (defvar rxvt-standard-colors ;; The names of the colors in the comments taken from the rxvt.1 man ;; page; the corresponding RGB values--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 0 205)) ; blue3 ("magenta" 5 (205 0 205)) ; magenta3 ("cyan" 6 ( 0 205 205)) ; cyan3 ("white" 7 (250 235 215)) ; AntiqueWhite ("brightblack" 8 ( 64 64 64)) ; gray25 ("brightred" 9 (255 0 0)) ; red ("brightgreen" 10 ( 0 255 0)) ; green ("brightyellow" 11 (255 255 0)) ; yellow ("brightblue" 12 ( 0 0 255)) ; blue ("brightmagenta" 13 (255 0 255)) ; magenta ("brightcyan" 14 ( 0 255 255)) ; cyan ("brightwhite" 15 (255 255 255))) ; white "Names of 16 standard rxvt colors, their numbers, and RGB values.") (defun rxvt-rgb-convert-to-16bit (prim) "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value." (min 65535 (round (* (/ prim 255.0) 65535.0)))) (defun rxvt-register-default-colors () "Register the default set of colors for rxvt or compatible emulator. This function registers the number of colors returned by `display-color-cells' for the currently selected frame." (let* ((ncolors (display-color-cells)) (colors rxvt-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 'rxvt-rgb-convert-to-16bit (car (cddr color)))) (setq colors (cdr colors) color (car colors) ncolors (1- 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 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 rxvt-standard-colors are ordered ;; by the color index in the ascending order! (setq rgb (car (cddr (nth bg rxvt-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 rxvt-standard-colors. (* (apply '+ (car (cddr (nth 15 rxvt-standard-colors)))) 0.6)) (setq frame-background-mode 'dark))) (frame-set-background-mode (selected-frame)))) ;; Do it! (rxvt-register-default-colors) (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: 20cf2fb6-6318-4bab-9dbf-1d15048f2257 ;;; rxvt.el ends here