34 lines
824 B
Lua
34 lines
824 B
Lua
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----------------------------------------------------------
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-- Licensed under the GNU General Public License version 2
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-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
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----------------------------------------------------------
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-- {{{ Grab environment
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local io = { popen = io.popen }
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local string = { match = string.match }
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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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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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-- Get volume level
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local volume_level = string.match(mixer, "([%d]?[%d]?[%d])%%")
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-- Don't break progressbars
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if volume_level == nil then
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return {0}
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end
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return {volume_level}
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end
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-- }}}
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