]> git.madduck.net Git - etc/awesome.git/blob - widget/pulseaudio.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

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.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

pull #307: worker -> factory
[etc/awesome.git] / widget / pulseaudio.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2016, Luke Bonham                     
6                                                   
7 --]]
8
9 local helpers = require("lain.helpers")
10 local shell   = require("awful.util").shell
11 local wibox   = require("wibox")
12 local string  = { gmatch = string.gmatch,
13                   match  = string.match,
14                   format = string.format }
15
16 -- PulseAudio volume
17 -- lain.widget.pulseaudio
18
19 local function factory(args)
20     local pulseaudio = { widget = wibox.widget.textbox() }
21     local args        = args or {}
22     local devicetype  = args.devicetype or "sink"
23     local timeout     = args.timeout or 5
24     local settings    = args.settings or function() end
25     local scallback   = args.scallback
26
27     pulseaudio.cmd    = args.cmd or "pacmd list-" .. devicetype .. "s | sed -n -e '0,/*/d' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
28
29     function pulseaudio.update()
30         if scallback then pulseaudio.cmd = scallback() end
31
32         helpers.async({ shell, "-c", pulseaudio.cmd }, function(s)
33             volume_now = {
34                 index = string.match(s, "index: (%S+)") or "N/A",
35                 device = string.match(s, "device.string = \"(%S+)\"") or "N/A",
36                 sink   = device, -- legacy API
37                 muted  = string.match(s, "muted: (%S+)") or "N/A"
38             }
39
40             local ch = 1
41             volume_now.channel = {}
42             for v in string.gmatch(s, ":.-(%d+)%%") do
43                 volume_now.channel[ch] = v
44                 ch = ch + 1
45             end
46
47             volume_now.left  = volume_now.channel[1] or "N/A"
48             volume_now.right = volume_now.channel[2] or "N/A"
49
50             widget = pulseaudio.widget
51
52             settings()
53         end)
54     end
55
56     helpers.newtimer("pulseaudio", timeout, pulseaudio.update)
57
58     return pulseaudio
59 end
60
61 return factory