7ec4dca723
As promised in the previous commit, I'm refactoring usages of `shell-command` to prefer the faster alternative `start-process`. So far, I'm pleased with the results.
54 lines
1.7 KiB
EmacsLisp
54 lines
1.7 KiB
EmacsLisp
;;; screen-brightness.el --- Control laptop screen brightness -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; Mainly just Elisp wrappers around `xbacklight`.
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;;; Code:
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;; TODO: Define some isomorphisms. E.g. int->string, string->int.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Constants
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defconst screen-brightness/step-size 15
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"The size of the increment or decrement step for the screen's brightness.")
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(defcustom screen-brightness/install-kbds? t
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"If t, install the keybindings to control screen brightness.")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Library
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun screen-brightness/increase ()
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"Increase the screen brightness."
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(interactive)
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(start-process
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"*xbacklight<screen-brightness/increase>*"
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nil
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"xbacklight"
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"-inc"
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(int-to-string screen-brightness/step-size))
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(message "[screen-brightness.el] Increased screen brightness."))
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(defun screen-brightness/decrease ()
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"Decrease the screen brightness."
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(interactive)
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(start-process
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"*xbacklight<screen-brightness/decrease>*"
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nil
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"xbacklight"
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"-dec"
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(int-to-string screen-brightness/step-size))
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(message "[screen-brightness.el] Decreased screen brightness."))
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(when screen-brightness/install-kbds?
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(exwm-input-set-key
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(kbd "<XF86MonBrightnessUp>") #'screen-brightness/increase)
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(exwm-input-set-key
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(kbd "<XF86MonBrightnessDown>") #'screen-brightness/decrease))
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(provide 'screen-brightness)
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;;; screen-brightness.el ends here
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