1 # Copyright (C) 2008 Dag Odenhall <dag.odenhall@gmail.com>
2 # Licensed under the Academic Free License version 3.0
4 require 'amazing/widget'
5 require 'amazing/proc_file'
10 description "Remaining battery power in percentage"
11 option :battery, "Battery number", 1
12 field :percentage, "Power percentage", 0
16 batinfo = ProcFile.new("acpi/battery/BAT#@battery/info")[0]
17 batstate = ProcFile.new("acpi/battery/BAT#@battery/state")[0]
18 remaining = batstate["remaining capacity"].to_i
19 lastfull = batinfo["last full capacity"].to_i
20 @percentage = (remaining * 100) / lastfull.to_f