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
11 local read_pipe = require("lain.helpers").read_pipe
13 local wibox = require("wibox")
15 local string = { match = string.match,
16 format = string.format }
18 local setmetatable = setmetatable
27 local function worker(args)
28 local args = args or {}
29 local timeout = args.timeout or 1
30 local settings = args.settings or function() end
32 alsa.cmd = args.cmd or "amixer"
33 alsa.channel = args.channel or "Master"
35 alsa.widget = wibox.widget.textbox('')
37 function alsa.update()
38 local mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))
42 volume_now.level, volume_now.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
44 if volume_now.level == nil
46 volume_now.level = "0"
47 volume_now.status = "off"
50 if volume_now.status == ""
52 if volume_now.level == "0"
54 volume_now.status = "off"
56 volume_now.status = "on"
60 if alsa.level ~= volume_now.level or alsa.status ~= volume_now.status
65 alsa.level = volume_now.level
66 alsa.status = volume_now.status
70 timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
72 newtimer(timer_id, timeout, alsa.update)
74 return setmetatable(alsa, { __index = alsa.widget })
77 return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })