39 lines
984 B
Lua
39 lines
984 B
Lua
---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (c) 2009, Adrian C. <anrxc.sysphere.org>
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---------------------------------------------------
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-- {{{ Grab environment
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local tonumber = tonumber
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local io = { popen = io.popen }
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local setmetatable = setmetatable
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local string = {
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find = string.find,
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match = string.match
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}
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-- }}}
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-- Volume: provides volume levels of requested ALSA mixers
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module("vicious.volume")
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-- {{{ Volume widget type
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local function worker(format, channel)
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-- Get mixer data
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local f = io.popen("amixer get " .. channel)
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local mixer = f:read("*all")
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f:close()
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local vol = tonumber(string.match(mixer, "([%d]?[%d]?[%d])%%"))
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-- If mute return 0 (not "Mute") so we don't break progressbars
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if string.find(mixer, "%[off%]") or vol == nil then
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vol = 0
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end
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return {vol}
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end
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-- }}}
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setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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