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----------------------------------------------------------
-- Licensed under the GNU General Public License version 2
-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
----------------------------------------------------------
-- {{{ Grab environment
local io = { popen = io.popen }
local setmetatable = setmetatable
local string = { match = string.match }
-- }}}
-- Volume: provides volume levels of requested ALSA mixers
module("vicious.volume")
-- {{{ Volume widget type
local function worker(format, channel)
-- Get mixer data
local f = io.popen("amixer get " .. channel)
local mixer = f:read("*all")
f:close()
local volume_level = string.match(mixer, "([%d]?[%d]?[%d])%%")
-- Don't break progressbars
if volume_level == nil then return {0} end
return {volume_level}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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