blob: d412b4b9f6cebec422d28f52965354ad84c0f0ec (
plain)
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
|
;;; acdw.el -*- lexical-binding: t; coding: utf-8-unix -*-
;; Author: Case Duckworth <acdw@acdw.net>
;; Created: Sometime during Covid-19, 2020
;; Keywords: configuration
;; URL: https://tildegit.org/acdw/emacs
;; This file is NOT part of GNU Emacs.
;;; License:
;; Everyone is permitted to do whatever with this software, without
;; limitation. This software comes without any warranty whatsoever,
;; but with two pieces of advice:
;; - Don't hurt yourself.
;; - Make good choices.
;;; Commentary:
;; `acdw.el' contains `acdw/map', its mode, and assorted ease-of-life
;; functions for me, acdw.
;;; Code:
;;; Utilities
;;;; Determine the system I'm on
(defconst acdw/system (pcase system-type
('gnu/linux :home)
((or 'msdos 'windows-nt) :work)
(_ :other))
"Which system is currently being used.")
;;;; Run commands only when unfocused
(defun acdw/when-unfocused (func &rest args)
"Call FUNC, with ARGS, iff all Emacs frames are out of focus.
Ready for use with `after-focus-change-function'."
(when (seq-every-p #'null (mapcar #'frame-focus-state (frame-list)))
(apply func args)))
;;;; Run commands at sunrise and sunset
(defun acdw/sunrise-sunset (sunrise-command sunset-command)
"Run commands at sunrise and sunset."
(let* ((times-regex (rx (* nonl)
(: (any ?s ?S) "unrise") " "
(group (repeat 1 2 digit) ":"
(repeat 1 2 digit)
(: (any ?a ?A ?p ?P) (any ?m ?M)))
(* nonl)
(: (any ?s ?S) "unset") " "
(group (repeat 1 2 digit) ":"
(repeat 1 2 digit)
(: (any ?a ?A ?p ?P) (any ?m ?M)))
(* nonl)))
(ss (sunrise-sunset))
(_m (string-match times-regex ss))
(sunrise-time (match-string 1 ss))
(sunset-time (match-string 2 ss)))
(run-at-time sunrise-time (* 60 60 24) sunrise-command)
(run-at-time sunset-time (* 60 60 24) sunset-command)
(run-at-time "12:00am" (* 60 60 24) sunset-command)))
;;;; Define a function and add it to hooks
(defun defun-with-hooks (hooks function-def)
"Add FUNCTION-DEF to HOOKS.
FUNCTION-DEF should be a `defun' form. This function is just to
put functions that only exist for hooks closer to the hooks
they bind to."
(let ((func function-def))
(dolist (hook hooks)
(add-hook hook func))))
;;; Garbage collection hacks
(defconst acdw/gc-cons-threshold-basis (* 800 1024)
"Basis value for `gc-cons-threshold' to return to after jumping.
800 KB is Emacs's default.")
(defconst acdw/gc-cons-percentage-basis 0.1
"Basis value for `gc-cons-percentage' to return to after jumping.
0.1 is Emacs's default.")
(defun acdw/gc-disable ()
"Disable garbage collection by setting relevant variables to their maxima."
(setq gc-cons-threshold most-positive-fixnum
gc-cons-percentage 0.8))
(defun acdw/gc-enable ()
"Re-enable garbage collection by setting relevant variables back to bases."
(setq gc-cons-threshold acdw/gc-cons-threshold-basis
gc-cons-percentage acdw/gc-cons-percentage-basis))
;;; Directories (think `no-littering')
(defvar acdw/dir (expand-file-name
(convert-standard-filename "var/")
user-emacs-directory)
"A directory to hold extra configuration and emacs data.")
(defun acdw/in-dir (file &optional make-directory)
"Expand FILE relative to `acdw/dir', optionally creating its
directory."
(let ((f (expand-file-name (convert-standard-filename file)
acdw/dir)))
(when make-directory
(make-directory (file-name-directory f) 'parents))
f))
;;; Reading mode
(define-minor-mode acdw/reading-mode
"A mode for reading."
:init-value t
:lighter " Read"
(if acdw/reading-mode
(progn ;; turn on
;; settings
(setq-local mode-line-format
'(:eval
(let* ((fmt " Reading %b (%m) ")
(len (length (format-mode-line fmt))))
(concat
(propertize " "
'display `((space :align-to (- right
,len)))
'face '(:inherit italic))
fmt))))
;; modes to disable
(dolist (mode '(display-fill-column-indicator-mode))
(when (fboundp mode)
(funcall mode -1)))
;; modes to enable
(dolist (mode '(iscroll-mode
olivetti-mode))
(when (fboundp mode)
(funcall mode +1))))
;; turn off
;; settings
(kill-local-variable 'mode-line-format)
;; modes to re-enable
(dolist (mode '(display-fill-column-indicator-mode
simple-modeline-mode))
(when (fboundp mode)
(funcall mode +1)))
;; modes to re-disable
(dolist (mode '(olivetti-mode
iscroll-mode))
(when (fboundp mode)
(funcall mode -1)))
(force-mode-line-update)))
;;; Keymap & Mode
;; Set up a leader key for `acdw/mode'
(defvar acdw/leader
(let ((map (make-sparse-keymap))
(c-z (global-key-binding "\C-z")))
(global-set-key "\C-z" map)
(define-key map "\C-z" c-z)
map))
(provide 'acdw)
;;; acdw.el ends here
|
