58 lines
1.3 KiB
Lua
58 lines
1.3 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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* (c) 2013, Luca CPZ
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* (c) 2010, Adrian C. <anrxc@sysphere.org>
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--]]
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local helpers = require('lain.helpers')
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local shell = require('awful.util').shell
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local wibox = require('wibox')
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local string = string
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-- ALSA volume
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-- lain.widget.alsa
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local function factory(args)
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args = args or {}
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local alsa = { widget = args.widget or wibox.widget.textbox() }
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local timeout = args.timeout or 5
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local settings = args.settings or function() end
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alsa.cmd = args.cmd or 'amixer'
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alsa.channel = args.channel or 'Master'
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alsa.togglechannel = args.togglechannel
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local format_cmd = string.format('%s get %s', alsa.cmd, alsa.channel)
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if alsa.togglechannel then
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format_cmd = {
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shell,
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'-c',
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string.format('%s get %s; %s get %s', alsa.cmd, alsa.channel, alsa.cmd, alsa.togglechannel),
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}
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end
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alsa.last = {}
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function alsa.update()
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helpers.async(format_cmd, function(mixer)
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local l, s = string.match(mixer, '([%d]+)%%.*%[([%l]*)')
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l = tonumber(l)
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if alsa.last.level ~= l or alsa.last.status ~= s then
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volume_now = { level = l, status = s }
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widget = alsa.widget
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settings()
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alsa.last = volume_now
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end
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end)
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end
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helpers.newtimer(string.format('alsa-%s-%s', alsa.cmd, alsa.channel), timeout, alsa.update)
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return alsa
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end
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return factory
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