-;;; battery.el --- display battery status information -*- coding: iso-8859-1 -*-
+;;; battery.el --- display battery status information -*- coding: utf-8 -*-
-;; Copyright (C) 1997-1998, 2000-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1997-1998, 2000-2014 Free Software Foundation, Inc.
;; Author: Ralph Schleicher <rs@nunatak.allgaeu.org>
;; Keywords: hardware
(directory-files "/sys/class/power_supply/" nil
battery--linux-sysfs-regexp))
'battery-linux-sysfs)
+ ((and (eq system-type 'berkeley-unix)
+ (file-executable-p "/usr/sbin/apm"))
+ 'battery-bsd-apm)
((and (eq system-type 'darwin)
(condition-case nil
(with-temp-buffer
(defcustom battery-mode-line-format
(cond ((eq battery-status-function 'battery-linux-proc-acpi)
- "[%b%p%%,%d°C]")
+ "[%b%p%%,%d°C]")
(battery-status-function
"[%b%p%%]"))
"Control string formatting the string to display in the mode line.
(defun battery-update ()
"Update battery status information in the mode line."
- (let ((data (and battery-status-function (funcall battery-status-function))))
+ (let* ((data (and battery-status-function (funcall battery-status-function)))
+ (percentage (car (read-from-string (cdr (assq ?p data))))))
(setq battery-mode-line-string
(propertize (if (and battery-mode-line-format
- (<= (car (read-from-string (cdr (assq ?p data))))
- battery-mode-line-limit))
- (battery-format
- battery-mode-line-format
- data)
+ (numberp percentage)
+ (<= percentage battery-mode-line-limit))
+ (battery-format battery-mode-line-format data)
"")
'face
- (and (<= (car (read-from-string (cdr (assq ?p data))))
- battery-load-critical)
- 'error)
+ (and (numberp percentage)
+ (<= percentage battery-load-critical)
+ 'error)
'help-echo "Battery status information")))
(force-mode-line-update))
\f
(and (re-search-forward "POWER_SUPPLY_STATUS=\\(.*\\)$" nil t)
(member charging-state '("Unknown" "Full" nil))
(setq charging-state (match-string 1)))
+ (goto-char (point-min))
(when (re-search-forward
"POWER_SUPPLY_\\(CURRENT\\|POWER\\)_NOW=\\([0-9]*\\)$"
nil t)
(setq rate (float (string-to-number (match-string 2)))))
+ (goto-char (point-min))
(when (re-search-forward "POWER_SUPPLY_TEMP=\\([0-9]*\\)$" nil t)
(setq temperature (match-string 1)))
+ (goto-char (point-min))
(let (full-string now-string)
;; Sysfs may list either charge (mAh) or energy (mWh).
;; Keep track of both, and choose which to report later.
(string-to-number full-string))
charge-now (+ charge-now
(string-to-number now-string))))
- ((and (re-search-forward
+ ((and (progn (goto-char (point-min)) t)
+ (re-search-forward
"POWER_SUPPLY_ENERGY_FULL=\\([0-9]*\\)$" nil t)
(setq full-string (match-string 1))
(re-search-forward
"AC"
"BAT")
"N/A")))))
+
+\f
+;;; `apm' interface for BSD.
+(defun battery-bsd-apm ()
+ "Get APM status information from BSD apm binary.
+The following %-sequences are provided:
+%L AC line status (verbose)
+%B Battery status (verbose)
+%b Battery status, empty means high, `-' means low,
+ `!' means critical, and `+' means charging
+%P Advanced power saving mode state (verbose)
+%p Battery charge percentage
+%s Remaining battery charge time in seconds
+%m Remaining battery charge time in minutes
+%h Remaining battery charge time in hours
+%t Remaining battery charge time in the form `h:min'"
+ (let* ((os-name (car (split-string
+ (shell-command-to-string "/usr/bin/uname"))))
+ (apm-flag (if (equal os-name "OpenBSD") "P" "s"))
+ (apm-cmd (concat "/usr/sbin/apm -ablm" apm-flag))
+ (apm-output (split-string (shell-command-to-string apm-cmd)))
+ ;; Battery status
+ (battery-status
+ (let ((stat (string-to-number (nth 0 apm-output))))
+ (cond ((eq stat 0) '("high" . ""))
+ ((eq stat 1) '("low" . "-"))
+ ((eq stat 2) '("critical" . "!"))
+ ((eq stat 3) '("charging" . "+"))
+ ((eq stat 4) '("absent" . nil)))))
+ ;; Battery percentage
+ (battery-percentage (nth 1 apm-output))
+ ;; Battery life
+ (battery-life (nth 2 apm-output))
+ ;; AC status
+ (line-status
+ (let ((ac (string-to-number (nth 3 apm-output))))
+ (cond ((eq ac 0) "disconnected")
+ ((eq ac 1) "connected")
+ ((eq ac 2) "backup power"))))
+ ;; Advanced power savings mode
+ (apm-mode
+ (let ((apm (string-to-number (nth 4 apm-output))))
+ (if (string= os-name "OpenBSD")
+ (cond ((eq apm 0) "manual")
+ ((eq apm 1) "automatic")
+ ((eq apm 2) "cool running"))
+ (if (eq apm 1) "on" "off"))))
+ seconds minutes hours remaining-time)
+ (unless (member battery-life '("unknown" "-1"))
+ (if (member os-name '("OpenBSD" "NetBSD"))
+ (setq minutes (string-to-number battery-life)
+ seconds (* 60 minutes))
+ (setq seconds (string-to-number battery-life)
+ minutes (truncate (/ seconds 60))))
+ (setq hours (truncate (/ minutes 60))
+ remaining-time (format "%d:%02d" hours
+ (- minutes (* 60 hours)))))
+ (list (cons ?L (or line-status "N/A"))
+ (cons ?B (or (car battery-status) "N/A"))
+ (cons ?b (or (cdr battery-status) "N/A"))
+ (cons ?p (if (string= battery-percentage "255")
+ "N/A"
+ battery-percentage))
+ (cons ?P (or apm-mode "N/A"))
+ (cons ?s (or (and seconds (number-to-string seconds)) "N/A"))
+ (cons ?m (or (and minutes (number-to-string minutes)) "N/A"))
+ (cons ?h (or (and hours (number-to-string hours)) "N/A"))
+ (cons ?t (or remaining-time "N/A")))))
+
\f
;;; `pmset' interface for Darwin (OS X).
(with-temp-buffer
(ignore-errors (call-process "pmset" nil t nil "-g" "ps"))
(goto-char (point-min))
- (when (re-search-forward "Currentl?y drawing from '\\(AC\\|Battery\\) Power'" nil t)
+ (when (re-search-forward "\\(?:Currentl?y\\|Now\\) drawing from '\\(AC\\|Battery\\) Power'" nil t)
(setq power-source (match-string 1))
(when (re-search-forward "^ -InternalBattery-0[ \t]+" nil t)
(when (looking-at "\\([0-9]\\{1,3\\}\\)%")