48 lines
1.2 KiB
Lua
48 lines
1.2 KiB
Lua
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-- Licensed under the GNU General Public License v2
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-- * (c) 2010, 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 = { match = string.match }
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local helpers = require("vicious.helpers")
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-- }}}
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-- Volume: provides volume levels and state of requested mixer
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-- vicious.widgets.volume_freebsd
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local volume_freebsd = {}
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-- {{{ Volume widget type
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local function worker(format, warg)
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if not warg then return end
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local mixer_state = { "♫", "♩" }
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-- Get mixer control contents
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f = io.popen("mixer -s " .. helpers.shellquote(warg))
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local mixer = f:read()
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f:close()
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-- Capture mixer control state: [5%] ... ... [on]
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local voll, volr = string.match(mixer, "([%d]+):([%d]+)$")
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if voll == "0" and volr == "0" then
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return {0, mixer_state[2]}
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end
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if voll == volr then
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return {voll, mixer_state[1]}
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else
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return {voll .. "/" .. volr, mixer_state[1]}
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end
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end
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-- }}}
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return setmetatable(volume_freebsd, { __call = function(_, ...) return worker(...) end })
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