3 Licensed under GNU General Public License v2
5 * (c) 2010, Adrian C. <anrxc@sysphere.org>
9 local helpers = require("lain.helpers")
10 local shell = require("awful.util").shell
11 local wibox = require("wibox")
17 local function factory(args)
18 local alsa = { widget = wibox.widget.textbox() }
19 local args = args or {}
20 local timeout = args.timeout or 5
21 local settings = args.settings or function() end
23 alsa.cmd = args.cmd or "amixer"
24 alsa.channel = args.channel or "Master"
25 alsa.togglechannel = args.togglechannel
27 local format_cmd = string.format("%s get %s", alsa.cmd, alsa.channel)
29 if alsa.togglechannel then
30 format_cmd = { shell, "-c", string.format("%s get %s; %s get %s",
31 alsa.cmd, alsa.channel, alsa.cmd, alsa.togglechannel) }
36 function alsa.update()
37 helpers.async(format_cmd, function(mixer)
38 local l,s = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
39 if alsa.last.level ~= l or alsa.last.status ~= s then
40 volume_now = { level = l, status = s }
43 alsa.last = volume_now
48 helpers.newtimer(string.format("alsa-%s-%s", alsa.cmd, alsa.channel), timeout, alsa.update)