about summary refs log tree commit diff
path: root/emacs/.emacs.d/wpc/laptop-battery.el
diff options
context:
space:
mode:
authorWilliam Carroll <wpcarro@gmail.com>2020-01-30T16·00+0000
committerWilliam Carroll <wpcarro@gmail.com>2020-01-30T16·00+0000
commit578ed1ba98510058cf48f897a9bf4e3391684120 (patch)
tree5eadabd3d232151c75ac2424eaa8771ab25e927e /emacs/.emacs.d/wpc/laptop-battery.el
parent3684adf23f847114e1beeaab162398628ba571aa (diff)
Move move .emacs.d out of configs/shared
Moving all of my Emacs-related files into their own directory at the root of
this repository.
Diffstat (limited to 'emacs/.emacs.d/wpc/laptop-battery.el')
-rw-r--r--emacs/.emacs.d/wpc/laptop-battery.el60
1 files changed, 60 insertions, 0 deletions
diff --git a/emacs/.emacs.d/wpc/laptop-battery.el b/emacs/.emacs.d/wpc/laptop-battery.el
new file mode 100644
index 000000000000..3ec03553d2ca
--- /dev/null
+++ b/emacs/.emacs.d/wpc/laptop-battery.el
@@ -0,0 +1,60 @@
+;;; laptop-battery.el --- Display laptop battery information -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; Some wrappers to obtain battery information.
+;;
+;; To troubleshoot battery consumpton look into the CLI `powertop`.
+
+;;; Code:
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Roadmap
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; TODO: Support functions that work with reporting battery stats.
+;; TODO: low-battery-reporting-threshold
+;; TODO: charged-battery-reporting-threshold
+;; TODO: Format modeline battery information.
+;; TODO: Provide better time information in the modeline.
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'battery)
+(require 'alist)
+(require 'maybe)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Library
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defun laptop-battery/available? ()
+  "Return t if battery information is available."
+  (maybe/some? battery-status-function))
+
+(defun laptop-battery/percentage ()
+  "Return the current percentage of the battery."
+  (->> battery-status-function
+       funcall
+       (alist/get 112)))
+
+(defun laptop-battery/print-percentage ()
+  "Return the current percentage of the battery."
+  (interactive)
+  (->> (laptop-battery/percentage)
+       message))
+
+(defun laptop-battery/display ()
+  "Display laptop battery percentage in the modeline."
+  (interactive)
+  (display-battery-mode 1))
+
+(defun laptop-battery/hide ()
+  "Hide laptop battery percentage in the modeline."
+  (interactive)
+  (display-battery-mode -1))
+
+(provide 'laptop-battery)
+;;; laptop-battery.el ends here