1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
| | ;;; rxvt.el --- define function key sequences and standard colors for rxvt
;; Copyright (C) 2002-2013 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(defvar rxvt-function-map
(let ((map (make-sparse-keymap)))
;; Set up input-decode-map entries that termcap and terminfo don't know.
(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[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[7~" [home])
(define-key map "\e[8~" [end])
(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])
;; The strings emitted by f11 and f12 are the same as the strings
;; emitted by S-f1 and S-f2, so don't define f11 and f12.
;; (define-key rxvt-function-map "\e[23~" [f11])
;; (define-key rxvt-function-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~" [S-f1])
(define-key map "\e[24~" [S-f2])
(define-key map "\e[25~" [S-f3])
(define-key map "\e[26~" [S-f4])
(define-key map "\e[28~" [S-f5])
(define-key map "\e[29~" [S-f6])
(define-key map "\e[31~" [S-f7])
(define-key map "\e[32~" [S-f8])
(define-key map "\e[33~" [S-f9])
(define-key map "\e[34~" [S-f10])
(define-key map "\e[23^" [C-S-f1])
(define-key map "\e[24^" [C-S-f2])
(define-key map "\e[25^" [C-S-f3])
(define-key map "\e[26^" [C-S-f4])
(define-key map "\e[28^" [C-S-f5])
(define-key map "\e[29^" [C-S-f6])
(define-key map "\e[31^" [C-S-f7])
(define-key map "\e[32^" [C-S-f8])
(define-key map "\e[33^" [C-S-f9])
(define-key map "\e[34^" [C-S-f10])
(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 "\e[7^" [C-home])
(define-key map "\e[8^" [C-end])
(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[2;2~" [S-insert])
(define-key map "\e[3$" [S-delete])
(define-key map "\e[5$" [S-prior])
(define-key map "\e[6$" [S-next])
(define-key map "\e[7$" [S-home])
(define-key map "\e[8$" [S-end])
(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])
map)
"Function key overrides for rxvt.")
(defvar rxvt-alternatives-map
(let ((map (make-sparse-keymap)))
;; The terminal initialization C code file might have initialized
;; function keys F11->F42 from the termcap/terminfo information. On
;; a PC-style keyboard these keys correspond to
;; MODIFIER-FUNCTION_KEY, where modifier is S-, C-, C-S-. The
;; code here substitutes the corresponding definitions 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.
(define-key map [f11] [S-f1])
(define-key map [f12] [S-f2])
(define-key map [f13] [S-f3])
(define-key map [f14] [S-f4])
(define-key map [f15] [S-f5])
(define-key map [f16] [S-f6])
(define-key map [f17] [S-f7])
(define-key map [f18] [S-f8])
(define-key map [f19] [S-f9])
(define-key map [f20] [S-f10])
(define-key map [f23] [C-f1])
(define-key map [f24] [C-f2])
(define-key map [f25] [C-f3])
(define-key map [f26] [C-f4])
(define-key map [f27] [C-f5])
(define-key map [f28] [C-f6])
(define-key map [f29] [C-f7])
(define-key map [f30] [C-f8])
(define-key map [f31] [C-f9])
(define-key map [f32] [C-f10])
(define-key map [f33] [C-S-f1])
(define-key map [f34] [C-S-f2])
(define-key map [f35] [C-S-f3])
(define-key map [f36] [C-S-f4])
(define-key map [f37] [C-S-f5])
(define-key map [f38] [C-S-f6])
(define-key map [f39] [C-S-f7])
(define-key map [f40] [C-S-f8])
(define-key map [f41] [C-S-f9])
(define-key map [f42] [C-S-f10])
map)
"Keymap of possible alternative meanings for some keys.")
(defun terminal-init-rxvt ()
"Terminal initialization function for rxvt."
(let ((map (copy-keymap rxvt-alternatives-map)))
(set-keymap-parent map (keymap-parent local-function-key-map))
(set-keymap-parent local-function-key-map map))
;; Use inheritance to let the main keymap override those defaults.
;; This way we don't override terminfo-derived settings or settings
;; made in the init file.
(let ((m (copy-keymap rxvt-function-map)))
(set-keymap-parent m (keymap-parent input-decode-map))
(set-keymap-parent input-decode-map m))
;; Initialize colors and background mode.
(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))
;; 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 (229 229 229)) ; gray90
("brightblack" 8 ( 77 77 77)) ; gray30
("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)))
(when (> ncolors 0)
(cond
((= ncolors 240) ; 256-color rxvt
;; 216 non-gray colors first
(let ((r 0) (g 0) (b 0))
(while (> ncolors 24)
;; This and other formulas taken from 256colres.pl and
;; 88colres.pl in the xterm distribution.
(tty-color-define (format "color-%d" (- 256 ncolors))
(- 256 ncolors)
(mapcar 'rxvt-rgb-convert-to-16bit
(list (round (* r 42.5))
(round (* g 42.5))
(round (* b 42.5)))))
(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 (rxvt-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) ; rxvt-unicode
;; 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 'rxvt-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 (rxvt-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 rxvt 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 rxvt-set-background-mode ()
"Set background mode as appropriate for the default rxvt colors."
(let ((fgbg (getenv "COLORFGBG"))
bg rgb)
(set-terminal-parameter nil '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))
(set-terminal-parameter nil 'background-mode 'dark)))))
;;; rxvt.el ends here
|