vicious/batat.lua

50 lines
1.4 KiB
Lua

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-- Licensed under the GNU General Public License v2
-- * (c) 2009, Adrian C. <anrxc.sysphere.org>
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-- {{{ Grab environment
local io = { popen = io.popen }
local setmetatable = setmetatable
local table = { insert = table.insert }
-- }}}
-- Batat: provides state, charge, and remaining time for all batteries using acpitool
module("vicious.batat")
-- {{{ Battery widget type
local function worker(format)
local battery_info = {}
local battery_state = {
["full"] = "",
["unknown"] = "",
["charged"] = "",
["charging"] = "+",
["discharging"] = "-"
}
-- Get data from acpitool
local f = io.popen("acpitool -b")
for line in f:lines() do
-- Check if the battery is present
if line:match("^[%s]+Battery.*") then
-- Store state and charge information
table.insert(battery_info, (battery_state[line:match("([%a]*),")] or "/"))
table.insert(battery_info, (line:match("([%d]?[%d]?[%d])%.") or "/"))
-- Store remaining time information
table.insert(battery_info, (line:match("%%,%s(.*)") or "/"))
else
return {"/", "/", "/"}
end
end
f:close()
return battery_info
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })