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|
;;; 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:
;; 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 (getenv "COLORFGBG"))
bg rgb)
(setq default-frame-background-mode 'light)
(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 default-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
|
