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1 | ;;; rxvt.el --- define function key sequences and standard colors for rxvt |
2 | ||
3 | ;; Copyright (C) 2002 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., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;;; Code: | |
28 | ||
29 | ;; Set up function-key-map entries that termcap and terminfo don't know. | |
30 | (let ((map (make-sparse-keymap))) | |
31 | (define-key map "\e[A" [up]) | |
32 | (define-key map "\e[B" [down]) | |
33 | (define-key map "\e[C" [right]) | |
34 | (define-key map "\e[D" [left]) | |
35 | (define-key map "\e[7~" [home]) | |
36 | (define-key map "\e[2~" [insert]) | |
37 | (define-key map "\e[3~" [delete]) | |
38 | (define-key map "\e[4~" [select]) | |
39 | (define-key map "\e[5~" [prior]) | |
40 | (define-key map "\e[6~" [next]) | |
41 | (define-key map "\e[11~" [f1]) | |
42 | (define-key map "\e[12~" [f2]) | |
43 | (define-key map "\e[13~" [f3]) | |
44 | (define-key map "\e[14~" [f4]) | |
45 | (define-key map "\e[15~" [f5]) | |
46 | (define-key map "\e[17~" [f6]) | |
47 | (define-key map "\e[18~" [f7]) | |
48 | (define-key map "\e[19~" [f8]) | |
49 | (define-key map "\e[20~" [f9]) | |
50 | (define-key map "\e[21~" [f10]) | |
51 | (define-key map "\e[23~" [f11]) | |
52 | (define-key map "\e[24~" [f12]) | |
53 | (define-key map "\e[29~" [print]) | |
54 | ||
55 | (define-key map "\e[11^" [C-f1]) | |
56 | (define-key map "\e[12^" [C-f2]) | |
57 | (define-key map "\e[13^" [C-f3]) | |
58 | (define-key map "\e[14^" [C-f4]) | |
59 | (define-key map "\e[15^" [C-f5]) | |
60 | (define-key map "\e[17^" [C-f6]) | |
61 | (define-key map "\e[18^" [C-f7]) | |
62 | (define-key map "\e[19^" [C-f8]) | |
63 | (define-key map "\e[20^" [C-f9]) | |
64 | (define-key map "\e[21^" [C-f10]) | |
65 | (define-key map "\e[23^" [C-f11]) | |
66 | (define-key map "\e[24^" [C-f12]) | |
67 | ||
68 | (define-key map "\e[29~" [print]) | |
69 | ||
70 | (define-key map "\e[2;2~" [S-insert]) | |
71 | (define-key map "\e[3$" [S-delete]) | |
72 | ||
73 | (define-key map "\e[2^" [C-insert]) | |
74 | (define-key map "\e[3^" [C-delete]) | |
75 | (define-key map "\e[5^" [C-prior]) | |
76 | (define-key map "\e[6^" [C-next]) | |
77 | (define-key map "\eOd" [C-left]) | |
78 | (define-key map "\eOc" [C-right]) | |
79 | (define-key map "\eOa" [C-up]) | |
80 | (define-key map "\eOb" [C-down]) | |
db95369b | 81 | |
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82 | (define-key map "\e[5$" [S-prior]) |
83 | (define-key map "\e[6$" [S-next]) | |
84 | (define-key map "\e[8$" [S-end]) | |
85 | (define-key map "\e[7$" [S-home]) | |
86 | (define-key map "\e[d" [S-left]) | |
87 | (define-key map "\e[c" [S-right]) | |
88 | (define-key map "\e[a" [S-up]) | |
89 | (define-key map "\e[b" [S-down]) | |
90 | ||
91 | ;; Use inheritance to let the main keymap override those defaults. | |
92 | ;; This way we don't override terminfo-derived settings or settings | |
93 | ;; made in the .emacs file. | |
94 | (set-keymap-parent map (keymap-parent function-key-map)) | |
95 | (set-keymap-parent function-key-map map)) | |
96 | ||
97 | ;; Set up colors, for those versions of rxvt that support it. | |
98 | (defvar rxvt-standard-colors | |
99 | ;; The names of the colors in the comments taken from the rxvt.1 man | |
e47cd3c4 | 100 | ;; page; the corresponding RGB values--from rgb.txt. |
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101 | '(("black" 0 ( 0 0 0)) ; black |
102 | ("red" 1 (205 0 0)) ; red3 | |
103 | ("green" 2 ( 0 205 0)) ; green3 | |
104 | ("yellow" 3 (205 205 0)) ; yellow3 | |
105 | ("blue" 4 ( 0 0 205)) ; blue3 | |
106 | ("magenta" 5 (205 0 205)) ; magenta3 | |
107 | ("cyan" 6 ( 0 205 205)) ; cyan3 | |
108 | ("white" 7 (250 235 215)) ; AntiqueWhite | |
109 | ("brightblack" 8 ( 64 64 64)) ; gray25 | |
110 | ("brightred" 9 (255 0 0)) ; red | |
111 | ("brightgreen" 10 ( 0 255 0)) ; green | |
112 | ("brightyellow" 11 (255 255 0)) ; yellow | |
113 | ("brightblue" 12 ( 0 0 255)) ; blue | |
114 | ("brightmagenta" 13 (255 0 255)) ; magenta | |
115 | ("brightcyan" 14 ( 0 255 255)) ; cyan | |
116 | ("brightwhite" 15 (255 255 255))) ; white | |
117 | "Names of 16 standard rxvt colors, their numbers, and RGB values.") | |
118 | ||
119 | (defun rxvt-rgb-convert-to-16bit (prim) | |
120 | "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value." | |
121 | (min 65535 (round (* (/ prim 255.0) 65535.0)))) | |
122 | ||
123 | (defun rxvt-register-default-colors () | |
124 | "Register the default set of colors for rxvt or compatible emulator. | |
125 | ||
126 | This function registers the number of colors returned by `display-color-cells' | |
127 | for the currently selected frame." | |
128 | (let* ((ncolors (display-color-cells)) | |
129 | (colors rxvt-standard-colors) | |
130 | (color (car colors))) | |
131 | (if (> ncolors 0) | |
132 | ;; Clear the 8 default tty colors registered by startup.el | |
133 | (tty-color-clear)) | |
134 | ;; Only register as many colors as are supported by the display. | |
135 | (while (and (> ncolors 0) colors) | |
136 | (tty-color-define (car color) (cadr color) | |
137 | (mapcar 'rxvt-rgb-convert-to-16bit | |
138 | (car (cddr color)))) | |
139 | (setq colors (cdr colors) | |
140 | color (car colors) | |
141 | ncolors (1- ncolors))) | |
142 | ;; Modifying color mappings means realized faces don't use the | |
143 | ;; right colors, so clear them. | |
144 | (clear-face-cache))) | |
145 | ||
146 | ;; rxvt puts the default colors into an environment variable | |
147 | ;; COLORFGBG. We use this to set the background mode in a more | |
148 | ;; intelligent way than the default guesswork in startup.el. | |
149 | (defun rxvt-set-background-mode () | |
150 | "Set background mode as appropriate for the default rxvt colors." | |
151 | (let ((fgbg (getenv "COLORFGBG")) | |
152 | bg rgb) | |
153 | (setq frame-background-mode 'light) ; default | |
154 | (when (and fgbg | |
155 | (string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg)) | |
156 | (setq bg (string-to-number (substring fgbg (match-beginning 1)))) | |
157 | ;; The next line assumes that rxvt-standard-colors are ordered | |
158 | ;; by the color index in the ascending order! | |
159 | (setq rgb (car (cddr (nth bg rxvt-standard-colors)))) | |
160 | ;; See the commentary in frame-set-background-mode about the | |
161 | ;; computation below. | |
162 | (if (< (apply '+ rgb) | |
163 | ;; The following line assumes that white is the 15th | |
164 | ;; color in rxvt-standard-colors. | |
165 | (* (apply '+ (car (cddr (nth 15 rxvt-standard-colors)))) 0.6)) | |
166 | (setq frame-background-mode 'dark))) | |
167 | (frame-set-background-mode (selected-frame)))) | |
168 | ||
169 | ;; Do it! | |
170 | (rxvt-register-default-colors) | |
171 | (rxvt-set-background-mode) | |
172 | ;; This recomputes all the default faces given the colors we've just set up. | |
173 | (tty-set-up-initial-frame-faces) | |
174 | ||
ab5796a9 | 175 | ;;; arch-tag: 20cf2fb6-6318-4bab-9dbf-1d15048f2257 |
5ea6e068 | 176 | ;;; rxvt.el ends here |