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5ea6e068 EZ |
1 | ;;; rxvt.el --- define function key sequences and standard colors for rxvt |
2 | ||
ba318903 | 3 | ;; Copyright (C) 2002-2014 Free Software Foundation, Inc. |
5ea6e068 EZ |
4 | |
5 | ;; Author: Eli Zaretskii | |
6 | ;; Keywords: terminals | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
1fecc8fe | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
5ea6e068 | 11 | ;; it under the terms of the GNU General Public License as published by |
1fecc8fe GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
5ea6e068 EZ |
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 | |
1fecc8fe | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
5ea6e068 EZ |
22 | |
23 | ;;; Commentary: | |
24 | ||
25 | ;;; Code: | |
26 | ||
6670206f DN |
27 | (defvar rxvt-function-map |
28 | (let ((map (make-sparse-keymap))) | |
29 | ||
8e337129 | 30 | ;; Set up input-decode-map entries that termcap and terminfo don't know. |
6670206f DN |
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[2~" [insert]) | |
36 | (define-key map "\e[3~" [delete]) | |
37 | (define-key map "\e[4~" [select]) | |
38 | (define-key map "\e[5~" [prior]) | |
39 | (define-key map "\e[6~" [next]) | |
40 | (define-key map "\e[7~" [home]) | |
41 | (define-key map "\e[8~" [end]) | |
42 | (define-key map "\e[11~" [f1]) | |
43 | (define-key map "\e[12~" [f2]) | |
44 | (define-key map "\e[13~" [f3]) | |
45 | (define-key map "\e[14~" [f4]) | |
46 | (define-key map "\e[15~" [f5]) | |
47 | (define-key map "\e[17~" [f6]) | |
48 | (define-key map "\e[18~" [f7]) | |
49 | (define-key map "\e[19~" [f8]) | |
50 | (define-key map "\e[20~" [f9]) | |
51 | (define-key map "\e[21~" [f10]) | |
52 | ;; The strings emitted by f11 and f12 are the same as the strings | |
53 | ;; emitted by S-f1 and S-f2, so don't define f11 and f12. | |
54 | ;; (define-key rxvt-function-map "\e[23~" [f11]) | |
55 | ;; (define-key rxvt-function-map "\e[24~" [f12]) | |
56 | (define-key map "\e[29~" [print]) | |
57 | ||
58 | (define-key map "\e[11^" [C-f1]) | |
59 | (define-key map "\e[12^" [C-f2]) | |
60 | (define-key map "\e[13^" [C-f3]) | |
61 | (define-key map "\e[14^" [C-f4]) | |
62 | (define-key map "\e[15^" [C-f5]) | |
63 | (define-key map "\e[17^" [C-f6]) | |
64 | (define-key map "\e[18^" [C-f7]) | |
65 | (define-key map "\e[19^" [C-f8]) | |
66 | (define-key map "\e[20^" [C-f9]) | |
67 | (define-key map "\e[21^" [C-f10]) | |
68 | ||
69 | (define-key map "\e[23~" [S-f1]) | |
70 | (define-key map "\e[24~" [S-f2]) | |
71 | (define-key map "\e[25~" [S-f3]) | |
72 | (define-key map "\e[26~" [S-f4]) | |
73 | (define-key map "\e[28~" [S-f5]) | |
74 | (define-key map "\e[29~" [S-f6]) | |
75 | (define-key map "\e[31~" [S-f7]) | |
76 | (define-key map "\e[32~" [S-f8]) | |
77 | (define-key map "\e[33~" [S-f9]) | |
78 | (define-key map "\e[34~" [S-f10]) | |
79 | ||
80 | (define-key map "\e[23^" [C-S-f1]) | |
81 | (define-key map "\e[24^" [C-S-f2]) | |
82 | (define-key map "\e[25^" [C-S-f3]) | |
83 | (define-key map "\e[26^" [C-S-f4]) | |
84 | (define-key map "\e[28^" [C-S-f5]) | |
85 | (define-key map "\e[29^" [C-S-f6]) | |
86 | (define-key map "\e[31^" [C-S-f7]) | |
87 | (define-key map "\e[32^" [C-S-f8]) | |
88 | (define-key map "\e[33^" [C-S-f9]) | |
89 | (define-key map "\e[34^" [C-S-f10]) | |
90 | ||
91 | (define-key map "\e[2^" [C-insert]) | |
92 | (define-key map "\e[3^" [C-delete]) | |
93 | (define-key map "\e[5^" [C-prior]) | |
94 | (define-key map "\e[6^" [C-next]) | |
95 | (define-key map "\e[7^" [C-home]) | |
96 | (define-key map "\e[8^" [C-end]) | |
97 | (define-key map "\eOd" [C-left]) | |
98 | (define-key map "\eOc" [C-right]) | |
99 | (define-key map "\eOa" [C-up]) | |
100 | (define-key map "\eOb" [C-down]) | |
101 | ||
102 | (define-key map "\e[2;2~" [S-insert]) | |
103 | (define-key map "\e[3$" [S-delete]) | |
104 | (define-key map "\e[5$" [S-prior]) | |
105 | (define-key map "\e[6$" [S-next]) | |
106 | (define-key map "\e[7$" [S-home]) | |
107 | (define-key map "\e[8$" [S-end]) | |
108 | (define-key map "\e[d" [S-left]) | |
109 | (define-key map "\e[c" [S-right]) | |
110 | (define-key map "\e[a" [S-up]) | |
111 | (define-key map "\e[b" [S-down]) | |
112 | map) | |
133fe4c8 KL |
113 | "Function key overrides for rxvt.") |
114 | ||
8e337129 SM |
115 | (defvar rxvt-alternatives-map |
116 | (let ((map (make-sparse-keymap))) | |
53964682 | 117 | ;; The terminal initialization C code file might have initialized |
8e337129 SM |
118 | ;; function keys F11->F42 from the termcap/terminfo information. On |
119 | ;; a PC-style keyboard these keys correspond to | |
120 | ;; MODIFIER-FUNCTION_KEY, where modifier is S-, C-, C-S-. The | |
cd1181db | 121 | ;; code here substitutes the corresponding definitions in |
8e337129 SM |
122 | ;; function-key-map. This substitution is needed because if a key |
123 | ;; definition if found in function-key-map, there are no further | |
124 | ;; lookups in other keymaps. | |
125 | (define-key map [f11] [S-f1]) | |
126 | (define-key map [f12] [S-f2]) | |
127 | (define-key map [f13] [S-f3]) | |
128 | (define-key map [f14] [S-f4]) | |
129 | (define-key map [f15] [S-f5]) | |
130 | (define-key map [f16] [S-f6]) | |
131 | (define-key map [f17] [S-f7]) | |
132 | (define-key map [f18] [S-f8]) | |
133 | (define-key map [f19] [S-f9]) | |
134 | (define-key map [f20] [S-f10]) | |
135 | ||
136 | (define-key map [f23] [C-f1]) | |
137 | (define-key map [f24] [C-f2]) | |
138 | (define-key map [f25] [C-f3]) | |
139 | (define-key map [f26] [C-f4]) | |
140 | (define-key map [f27] [C-f5]) | |
141 | (define-key map [f28] [C-f6]) | |
142 | (define-key map [f29] [C-f7]) | |
143 | (define-key map [f30] [C-f8]) | |
144 | (define-key map [f31] [C-f9]) | |
145 | (define-key map [f32] [C-f10]) | |
146 | ||
147 | (define-key map [f33] [C-S-f1]) | |
148 | (define-key map [f34] [C-S-f2]) | |
149 | (define-key map [f35] [C-S-f3]) | |
150 | (define-key map [f36] [C-S-f4]) | |
151 | (define-key map [f37] [C-S-f5]) | |
152 | (define-key map [f38] [C-S-f6]) | |
153 | (define-key map [f39] [C-S-f7]) | |
154 | (define-key map [f40] [C-S-f8]) | |
155 | (define-key map [f41] [C-S-f9]) | |
156 | (define-key map [f42] [C-S-f10]) | |
157 | map) | |
158 | "Keymap of possible alternative meanings for some keys.") | |
159 | ||
4f0c9ba7 DN |
160 | (defun terminal-init-rxvt () |
161 | "Terminal initialization function for rxvt." | |
af520c4a | 162 | |
8e337129 SM |
163 | (let ((map (copy-keymap rxvt-alternatives-map))) |
164 | (set-keymap-parent map (keymap-parent local-function-key-map)) | |
165 | (set-keymap-parent local-function-key-map map)) | |
af520c4a | 166 | |
8cbd7bed KL |
167 | ;; Use inheritance to let the main keymap override those defaults. |
168 | ;; This way we don't override terminfo-derived settings or settings | |
865fe16f | 169 | ;; made in the init file. |
8cbd7bed | 170 | (let ((m (copy-keymap rxvt-function-map))) |
8e337129 SM |
171 | (set-keymap-parent m (keymap-parent input-decode-map)) |
172 | (set-keymap-parent input-decode-map m)) | |
4f0c9ba7 DN |
173 | |
174 | ;; Initialize colors and background mode. | |
175 | (rxvt-register-default-colors) | |
176 | (rxvt-set-background-mode) | |
177 | ;; This recomputes all the default faces given the colors we've just set up. | |
178 | (tty-set-up-initial-frame-faces)) | |
5ea6e068 EZ |
179 | |
180 | ;; Set up colors, for those versions of rxvt that support it. | |
181 | (defvar rxvt-standard-colors | |
182 | ;; The names of the colors in the comments taken from the rxvt.1 man | |
e47cd3c4 | 183 | ;; page; the corresponding RGB values--from rgb.txt. |
5ea6e068 EZ |
184 | '(("black" 0 ( 0 0 0)) ; black |
185 | ("red" 1 (205 0 0)) ; red3 | |
186 | ("green" 2 ( 0 205 0)) ; green3 | |
187 | ("yellow" 3 (205 205 0)) ; yellow3 | |
188 | ("blue" 4 ( 0 0 205)) ; blue3 | |
189 | ("magenta" 5 (205 0 205)) ; magenta3 | |
190 | ("cyan" 6 ( 0 205 205)) ; cyan3 | |
b778ed18 DN |
191 | ("white" 7 (229 229 229)) ; gray90 |
192 | ("brightblack" 8 ( 77 77 77)) ; gray30 | |
5ea6e068 EZ |
193 | ("brightred" 9 (255 0 0)) ; red |
194 | ("brightgreen" 10 ( 0 255 0)) ; green | |
195 | ("brightyellow" 11 (255 255 0)) ; yellow | |
196 | ("brightblue" 12 ( 0 0 255)) ; blue | |
197 | ("brightmagenta" 13 (255 0 255)) ; magenta | |
198 | ("brightcyan" 14 ( 0 255 255)) ; cyan | |
199 | ("brightwhite" 15 (255 255 255))) ; white | |
200 | "Names of 16 standard rxvt colors, their numbers, and RGB values.") | |
201 | ||
202 | (defun rxvt-rgb-convert-to-16bit (prim) | |
203 | "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value." | |
ed3af8a7 | 204 | (logior prim (lsh prim 8))) |
5ea6e068 EZ |
205 | |
206 | (defun rxvt-register-default-colors () | |
207 | "Register the default set of colors for rxvt or compatible emulator. | |
208 | ||
209 | This function registers the number of colors returned by `display-color-cells' | |
210 | for the currently selected frame." | |
211 | (let* ((ncolors (display-color-cells)) | |
212 | (colors rxvt-standard-colors) | |
213 | (color (car colors))) | |
214 | (if (> ncolors 0) | |
215 | ;; Clear the 8 default tty colors registered by startup.el | |
216 | (tty-color-clear)) | |
217 | ;; Only register as many colors as are supported by the display. | |
218 | (while (and (> ncolors 0) colors) | |
219 | (tty-color-define (car color) (cadr color) | |
220 | (mapcar 'rxvt-rgb-convert-to-16bit | |
221 | (car (cddr color)))) | |
222 | (setq colors (cdr colors) | |
223 | color (car colors) | |
224 | ncolors (1- ncolors))) | |
08c583db DN |
225 | (when (> ncolors 0) |
226 | (cond | |
227 | ((= ncolors 240) ; 256-color rxvt | |
228 | ;; 216 non-gray colors first | |
229 | (let ((r 0) (g 0) (b 0)) | |
230 | (while (> ncolors 24) | |
fa463103 | 231 | ;; This and other formulas taken from 256colres.pl and |
08c583db DN |
232 | ;; 88colres.pl in the xterm distribution. |
233 | (tty-color-define (format "color-%d" (- 256 ncolors)) | |
234 | (- 256 ncolors) | |
235 | (mapcar 'rxvt-rgb-convert-to-16bit | |
ed3af8a7 | 236 | (list (if (zerop r) 0 (+ (* r 40) 55)) |
237 | (if (zerop g) 0 (+ (* g 40) 55)) | |
238 | (if (zerop b) 0 (+ (* b 40) 55))))) | |
08c583db DN |
239 | (setq b (1+ b)) |
240 | (if (> b 5) | |
241 | (setq g (1+ g) | |
242 | b 0)) | |
243 | (if (> g 5) | |
244 | (setq r (1+ r) | |
245 | g 0)) | |
246 | (setq ncolors (1- ncolors)))) | |
247 | ;; Now the 24 gray colors | |
248 | (while (> ncolors 0) | |
249 | (setq color (rxvt-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10)))) | |
250 | (tty-color-define (format "color-%d" (- 256 ncolors)) | |
251 | (- 256 ncolors) | |
252 | (list color color color)) | |
253 | (setq ncolors (1- ncolors)))) | |
8cbd7bed | 254 | |
0d1460c3 | 255 | ((= ncolors 72) ; rxvt-unicode |
08c583db DN |
256 | ;; 64 non-gray colors |
257 | (let ((levels '(0 139 205 255)) | |
258 | (r 0) (g 0) (b 0)) | |
259 | (while (> ncolors 8) | |
260 | (tty-color-define (format "color-%d" (- 88 ncolors)) | |
261 | (- 88 ncolors) | |
262 | (mapcar 'rxvt-rgb-convert-to-16bit | |
263 | (list (nth r levels) | |
264 | (nth g levels) | |
265 | (nth b levels)))) | |
266 | (setq b (1+ b)) | |
267 | (if (> b 3) | |
268 | (setq g (1+ g) | |
269 | b 0)) | |
270 | (if (> g 3) | |
271 | (setq r (1+ r) | |
272 | g 0)) | |
273 | (setq ncolors (1- ncolors)))) | |
274 | ;; Now the 8 gray colors | |
275 | (while (> ncolors 0) | |
276 | (setq color (rxvt-rgb-convert-to-16bit | |
277 | (floor | |
278 | (if (= ncolors 8) | |
279 | 46.36363636 | |
280 | (+ (* (- 8 ncolors) 23.18181818) 69.54545454))))) | |
836c8f06 DN |
281 | (tty-color-define (format "color-%d" (- 88 ncolors)) |
282 | (- 88 ncolors) | |
08c583db | 283 | (list color color color)) |
836c8f06 | 284 | (setq ncolors (1- ncolors)))) |
08c583db | 285 | (t (error "Unsupported number of rxvt colors (%d)" (+ 16 ncolors))))) |
5ea6e068 EZ |
286 | ;; Modifying color mappings means realized faces don't use the |
287 | ;; right colors, so clear them. | |
288 | (clear-face-cache))) | |
289 | ||
290 | ;; rxvt puts the default colors into an environment variable | |
291 | ;; COLORFGBG. We use this to set the background mode in a more | |
292 | ;; intelligent way than the default guesswork in startup.el. | |
293 | (defun rxvt-set-background-mode () | |
294 | "Set background mode as appropriate for the default rxvt colors." | |
36ab8612 | 295 | (let ((fgbg (getenv "COLORFGBG")) |
5ea6e068 | 296 | bg rgb) |
8cbd7bed | 297 | (set-terminal-parameter nil 'background-mode 'light) |
5ea6e068 EZ |
298 | (when (and fgbg |
299 | (string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg)) | |
300 | (setq bg (string-to-number (substring fgbg (match-beginning 1)))) | |
301 | ;; The next line assumes that rxvt-standard-colors are ordered | |
302 | ;; by the color index in the ascending order! | |
303 | (setq rgb (car (cddr (nth bg rxvt-standard-colors)))) | |
304 | ;; See the commentary in frame-set-background-mode about the | |
305 | ;; computation below. | |
306 | (if (< (apply '+ rgb) | |
307 | ;; The following line assumes that white is the 15th | |
308 | ;; color in rxvt-standard-colors. | |
309 | (* (apply '+ (car (cddr (nth 15 rxvt-standard-colors)))) 0.6)) | |
8cbd7bed | 310 | (set-terminal-parameter nil 'background-mode 'dark))))) |
5ea6e068 | 311 | |
5ea6e068 | 312 | ;;; rxvt.el ends here |