Add oni-termux

oni-termux.el

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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: 2019.0920.193557
+
+;; 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 'battery)
+(require 'json)
+
+(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 ((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))))))
+
+(setq battery-status-function #'oni-termux--battery-status)
+
+(setq battery-mode-line-format "%p%%")
+
+(display-battery-mode)
+
+;;;###autoload(require 'oni-termux)
+
+(provide 'oni-termux)
+;;; oni-termux.el ends here