blob: 51e53e984083ff549c3bf96f134d88d70968b82e (
plain) (
blame)
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
|
;;; keyboard.el --- Managing keyboard preferences with Elisp -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;; Version: 0.0.1
;; URL: https://git.wpcarro.dev/wpcarro/briefcase
;; Package-Requires: ((emacs "24.3"))
;;; Commentary:
;; Setting key repeat and other values.
;;
;; Be wary of suspiciously round numbers. Especially those divisible by ten!
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'string)
(require 'number)
(require 'cl-macs)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Constants
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; TODO: Support clamping functions for repeat-{rate,delay} to ensure only valid
;; values are sent to xset.
(defcustom keyboard-repeat-rate 80
"The number of key repeat signals sent per second.")
(defcustom keyboard-repeat-delay 170
"The number of milliseconds before autorepeat starts.")
(defconst keyboard-repeat-rate-copy keyboard-repeat-rate
"Copy of `keyboard-repeat-rate' to support `keyboard-reset-key-repeat'.")
(defconst keyboard-repeat-delay-copy keyboard-repeat-delay
"Copy of `keyboard-repeat-delay' to support `keyboard-reset-key-repeat'.")
(defcustom keyboard-install-preferences? t
"When t, install keyboard preferences.")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Functions
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun keyboard-message (x)
"Message X in a structured way."
(message (string-format "[keyboard.el] %s" x)))
(cl-defun keyboard-set-key-repeat (&key
(rate keyboard-repeat-rate)
(delay keyboard-repeat-delay))
"Use xset to set the key-repeat RATE and DELAY."
(prelude-start-process
:name "keyboard-set-key-repeat"
:command (string-format "xset r rate %s %s" delay rate)))
;; NOTE: Settings like this are machine-dependent. For instance I only need to
;; do this on my laptop and other devices where I don't have access to my split
;; keyboard.
;; NOTE: Running keysym Caps_Lock is not idempotent. If this is called more
;; than once, xmodmap will start to error about non-existent Caps_Lock symbol.
;; For more information see here:
;; https://unix.stackexchange.com/questions/108207/how-to-map-caps-lock-as-the-compose-key-using-xmodmap-portably-and-idempotently
(defun keyboard-swap-caps-lock-and-escape ()
"Swaps the caps lock and escape keys using xmodmap."
(interactive)
;; TODO: Ensure these work once the tokenizing in prelude-start-process works
;; as expected.
(start-process "keyboard-swap-caps-lock-and-escape"
nil "/usr/bin/xmodmap" "-e" "remove Lock = Caps_Lock")
(start-process "keyboard-swap-caps-lock-and-escape"
nil "/usr/bin/xmodmap" "-e" "keysym Caps_Lock = Escape"))
(defun keyboard-inc-repeat-rate ()
"Increment `keyboard-repeat-rate'."
(interactive)
(setq keyboard-repeat-rate (number-inc keyboard-repeat-rate))
(keyboard-set-key-repeat :rate keyboard-repeat-rate)
(keyboard-message
(string-format "Rate: %s" keyboard-repeat-rate)))
(defun keyboard-dec-repeat-rate ()
"Decrement `keyboard-repeat-rate'."
(interactive)
(setq keyboard-repeat-rate (number-dec keyboard-repeat-rate))
(keyboard-set-key-repeat :rate keyboard-repeat-rate)
(keyboard-message
(string-format "Rate: %s" keyboard-repeat-rate)))
(defun keyboard-inc-repeat-delay ()
"Increment `keyboard-repeat-delay'."
(interactive)
(setq keyboard-repeat-delay (number-inc keyboard-repeat-delay))
(keyboard-set-key-repeat :delay keyboard-repeat-delay)
(keyboard-message
(string-format "Delay: %s" keyboard-repeat-delay)))
(defun keyboard-dec-repeat-delay ()
"Decrement `keyboard-repeat-delay'."
(interactive)
(setq keyboard-repeat-delay (number-dec keyboard-repeat-delay))
(keyboard-set-key-repeat :delay keyboard-repeat-delay)
(keyboard-message
(string-format "Delay: %s" keyboard-repeat-delay)))
(defun keyboard-print-key-repeat ()
"Print the currently set values for key repeat."
(interactive)
(keyboard-message
(string-format "Rate: %s. Delay: %s"
keyboard-repeat-rate
keyboard-repeat-delay)))
(defun keyboard-set-preferences ()
"Reset the keyboard preferences to their default values.
NOTE: This function exists because occasionally I unplug and re-plug in a
keyboard and all of the preferences that I set using xset disappear."
(interactive)
(keyboard-swap-caps-lock-and-escape)
(keyboard-set-key-repeat :rate keyboard-repeat-rate
:delay keyboard-repeat-delay)
;; TODO: Implement this message function as a macro that pulls the current
;; file name.
(keyboard-message "Keyboard preferences set!"))
(defun keyboard-reset-key-repeat ()
"Set key repeat rate and delay to original values."
(interactive)
(keyboard-set-key-repeat :rate keyboard-repeat-rate-copy
:delay keyboard-repeat-delay-copy)
(keyboard-message "Key repeat preferences reset."))
(when keyboard-install-preferences?
(keyboard-set-preferences))
(provide 'keyboard)
;;; keyboard.el ends here
|
