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--[[
Licensed under GNU General Public License v2
* (c) 2013, Luke Bonham
* (c) 2010, Adrian C. <anrxc@sysphere.org>
--]]
local newtimer = require("lain.helpers").newtimer
local wibox = require("wibox")
local io = { popen = io.popen }
local string = { match = string.match }
local setmetatable = setmetatable
-- ALSA volume
-- lain.widgets.alsa
local alsa = {}
local function worker(args)
local args = args or {}
local timeout = args.timeout or 5
local channel = args.channel or "Master"
local settings = args.settings or function() end
alsa.widget = wibox.widget.textbox('')
function alsa.update()
local f = assert(io.popen('amixer get ' .. channel))
local mixer = f:read("*all")
f:close()
volume_now = {}
volume_now.level, volume_now.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
if volume_now.level == nil
then
volume_now.level = "0"
volume_now.status = "off"
end
if volume_now.status == ""
then
if volume_now.level == "0"
then
volume_now.status = "off"
else
volume_now.status = "on"
end
end
widget = alsa.widget
settings()
end
newtimer("alsa", timeout, alsa.update)
return setmetatable(alsa, { __index = alsa.widget })
end
return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })
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