All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
4 Licensed under GNU General Public License v2
5 * (c) 2013, Luke Bonham
6 * (c) 2010, Adrian C. <anrxc@sysphere.org>
10 local newtimer = require("lain.helpers").newtimer
12 local wibox = require("wibox")
14 local io = { popen = io.popen }
15 local string = { match = string.match,
16 format = string.format }
18 local setmetatable = setmetatable
24 local function worker(args)
25 local args = args or {}
26 local timeout = args.timeout or 5
27 local settings = args.settings or function() end
29 alsa.cmd = args.cmd or "amixer"
30 alsa.channel = args.channel or "Master"
32 alsa.widget = wibox.widget.textbox('')
34 function alsa.update()
35 local f = assert(io.popen(string.format("%s get %s", alsa.cmd, alsa.channel)))
36 local mixer = f:read("*a")
41 volume_now.level, volume_now.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
43 if volume_now.level == nil
45 volume_now.level = "0"
46 volume_now.status = "off"
49 if volume_now.status == ""
51 if volume_now.level == "0"
53 volume_now.status = "off"
55 volume_now.status = "on"
63 timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
65 newtimer(timer_id, timeout, alsa.update)
67 return setmetatable(alsa, { __index = alsa.widget })
70 return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })