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
10 local helpers = require("lain.helpers")
11 local awful = require("awful")
12 local naughty = require("naughty")
13 local wibox = require("wibox")
14 local math = { modf = math.modf }
15 local string = { format = string.format,
16 gmatch = string.gmatch,
20 local tonumber = tonumber
21 local setmetatable = setmetatable
23 -- Pulseaudio volume bar
24 -- lain.widget.pulsebar
27 background = "#000000",
36 local function factory(args)
37 local args = args or {}
38 local timeout = args.timeout or 5
39 local settings = args.settings or function() end
40 local width = args.width or 63
41 local height = args.heigth or 1
42 local ticks = args.ticks or false
43 local ticks_size = args.ticks_size or 7
44 local scallback = args.scallback
46 pulsebar.cmd = args.cmd or "pacmd list-sinks | sed -n -e '0,/*/d' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
47 pulsebar.sink = args.sink or 0
48 pulsebar.colors = args.colors or pulsebar.colors
49 pulsebar.followtag = args.followtag or false
50 pulsebar.notifications = args.notification_preset
51 pulsebar.device = "N/A"
53 if not pulsebar.notification_preset then
54 pulsebar.notification_preset = {}
55 pulsebar.notification_preset.font = "Monospace 10"
58 pulsebar.bar = wibox.widget {
59 forced_height = height,
61 color = pulsebar.colors.unmute,
62 background_color = pulsebar.colors.background,
66 ticks_size = ticks_size,
67 widget = wibox.widget.progressbar,
70 pulsebar.tooltip = awful.tooltip({ objects = { pulsebar.bar } })
72 function pulsebar.update(callback)
73 if scallback then pulsebar.cmd = scallback() end
75 helpers.async({ awful.util.shell, "-c", pulsebar.cmd }, function(s)
77 index = string.match(s, "index: (%S+)") or "N/A",
78 sink = string.match(s, "device.string = \"(%S+)\"") or "N/A",
79 muted = string.match(s, "muted: (%S+)") or "N/A"
82 pulsebar.device = volume_now.index
85 volume_now.channel = {}
86 for v in string.gmatch(s, ":.-(%d+)%%") do
87 volume_now.channel[ch] = v
91 volume_now.left = volume_now.channel[1] or "N/A"
92 volume_now.right = volume_now.channel[2] or "N/A"
94 local volu = volume_now.left
95 local mute = volume_now.muted
97 if (volu and volu ~= pulsebar._current_level) or (mute and mute ~= pulsebar._muted) then
98 pulsebar._current_level = volu
99 pulsebar.bar:set_value(pulsebar._current_level / 100)
100 if (not mute and volu == 0) or mute == "yes" then
101 pulsebar._muted = true
102 pulsebar.tooltip:set_text ("[Muted]")
103 pulsebar.bar.color = pulsebar.colors.mute
105 pulsebar._muted = false
106 pulsebar.tooltip:set_text(string.format("%s: %s", pulsebar.sink, volu))
107 pulsebar.bar.color = pulsebar.colors.unmute
112 if type(callback) == "function" then callback() end
117 function pulsebar.notify()
118 pulsebar.update(function()
119 local preset = pulsebar.notification_preset
121 if pulsebar._muted then
122 preset.title = string.format("Sink %s - Muted", pulsebar.sink)
124 preset.title = string.format("%s - %s%%", pulsebar.sink, pulsebar._current_level)
127 int = math.modf((pulsebar._current_level / 100) * awful.screen.focused().mywibox.height)
128 preset.text = string.format("[%s%s]", string.rep("|", int),
129 string.rep(" ", awful.screen.focused().mywibox.height - int))
131 if pulsebar.followtag then preset.screen = awful.screen.focused() end
133 if not pulsebar.notification then
134 pulsebar.notification = naughty.notify {
136 destroy = function() pulsebar.notification = nil end
139 naughty.replace_text(pulsebar.notification, preset.title, preset.text)
144 helpers.newtimer(string.format("pulsebar-%s", pulsebar.sink), timeout, pulsebar.update)
149 return setmetatable(pulsebar, { __call = function(_, ...) return factory(...) end })