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---------------------------------------------------
-- Licensed under the GNU General Public License v2
-- * (c) 2009, Adrian C. <anrxc@sysphere.org>
---------------------------------------------------
-- {{{ Grab environment
local tonumber = tonumber
local io = { popen = io.popen }
local setmetatable = setmetatable
local string = {
find = string.find,
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 vol = tonumber(string.match(mixer, "([%d]?[%d]?[%d])%%"))
-- If mute return 0 (not "Mute") so we don't break progressbars
if string.find(mixer, "%[off%]") or vol == nil then
vol = 0
end
return {vol}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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