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68 lines
1.8 KiB
68 lines
1.8 KiB
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--[[ |
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Licensed under GNU General Public License v2 |
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* (c) 2013, Luke Bonham |
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* (c) 2010, Adrian C. <anrxc@sysphere.org> |
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--]] |
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local newtimer = require("lain.helpers").newtimer |
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local read_pipe = require("lain.helpers").read_pipe |
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local wibox = require("wibox") |
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local string = { match = string.match, |
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format = string.format } |
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local setmetatable = setmetatable |
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-- ALSA volume |
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-- lain.widgets.alsa |
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local alsa = {} |
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local function worker(args) |
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local args = args or {} |
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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.widget = wibox.widget.textbox('') |
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function alsa.update() |
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local mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel)) |
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volume_now = {} |
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volume_now.level, volume_now.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)") |
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if volume_now.level == nil |
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then |
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volume_now.level = "0" |
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volume_now.status = "off" |
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end |
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if volume_now.status == "" |
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then |
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if volume_now.level == "0" |
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then |
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volume_now.status = "off" |
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else |
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volume_now.status = "on" |
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end |
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end |
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widget = alsa.widget |
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settings() |
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end |
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timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel) |
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newtimer(timer_id, timeout, alsa.update) |
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return setmetatable(alsa, { __index = alsa.widget }) |
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end |
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return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })
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