60 lines
1.8 KiB
EmacsLisp
60 lines
1.8 KiB
EmacsLisp
;;; laptop-battery.el --- Display laptop battery information -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; Some wrappers to obtain battery information.
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;;
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;; To troubleshoot battery consumpton look into the CLI `powertop`.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Roadmap
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; TODO: Support functions that work with reporting battery stats.
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;; TODO: low-battery-reporting-threshold
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;; TODO: charged-battery-reporting-threshold
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;; TODO: Format modeline battery information.
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;; TODO: Provide better time information in the modeline.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'battery)
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(require 'alist)
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(require 'maybe)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Library
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun laptop-battery/available? ()
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"Return t if battery information is available."
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(maybe-some? battery-status-function))
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(defun laptop-battery/percentage ()
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"Return the current percentage of the battery."
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(->> battery-status-function
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funcall
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(alist/get 112)))
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(defun laptop-battery/print-percentage ()
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"Return the current percentage of the battery."
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(interactive)
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(->> (laptop-battery/percentage)
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message))
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(defun laptop-battery/display ()
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"Display laptop battery percentage in the modeline."
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(interactive)
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(display-battery-mode 1))
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(defun laptop-battery/hide ()
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"Hide laptop battery percentage in the modeline."
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(interactive)
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(display-battery-mode -1))
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(provide 'laptop-battery)
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;;; laptop-battery.el ends here
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