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;;; oni-termux.el --- Termux-specific configuration -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2021.1123.003341
;; Package-Requires: (oni-alert oni-tui alert-termux)
;; This program 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.
;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Configuration specific to running in Termux.
;; This configuration shows the battery power in the mode-line, since
;; the devices running Emacs in Termux will most likely always have a
;; battery.
;;; Code:
(require 'alert)
;;(require 'alert-termux)
(require 'json)
(require 'oni-tui)
(defun oni-termux--battery-status ()
"Get battery status information using `termux-battery status'.
The following %-sequences are provided:
%h Health
%p Percentage
%L Plugged
%B Status
%d Temperature"
(let ((default-directory user-emacs-directory)
(info (with-temp-buffer
(call-process "termux-battery-status" nil t)
(goto-char (point-min))
(json-read))))
(list
(cons ?h (alist-get 'health info "N/A"))
(cons ?p (number-to-string (alist-get 'percentage info -1)))
(cons ?P (alist-get 'plugged info "N/A"))
(cons ?B (alist-get 'status info "N/A"))
(cons ?t (number-to-string (alist-get 'temperature info -1))))))
(defun oni-termux--load-alert-termux ()
"Load ‘alert-termux’.
This can’t be done by a require because it appears that
‘alert-termux’ gets added to the load path and loaded after this
library, so use this function in ‘after-init-hook’ instead."
(load-library "alert-termux"))
;; To keep the byte-compiler happy I use a `defvar' here.
(defvar battery-status-function #'oni-termux--battery-status)
;; The battery library needs to be loaded after the battery variables
;; have been set, otherwise loading it will produce the error that
;; access is denied to /sys/class/power_supply.
(require 'battery)
(setq battery-mode-line-format "%p%%")
(setq alert-default-style 'termux)
(add-hook 'after-init-hook #'oni-termux--load-alert-termux)
(display-battery-mode)
(provide 'oni-termux)
;;; oni-termux.el ends here
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