--]]
-local read_pipe = require("lain.helpers").read_pipe
-local newtimer = require("lain.helpers").newtimer
-local wibox = require("wibox")
-
-local string = { match = string.match,
- format = string.format }
-
-local setmetatable = setmetatable
+local helpers = require("lain.helpers")
+local shell = require("awful.util").shell
+local wibox = require("wibox")
+local string = { gmatch = string.gmatch,
+ match = string.match,
+ format = string.format }
+local setmetatable = setmetatable
-- PulseAudio volume
-- lain.widgets.pulseaudio
-local pulseaudio = {}
+local pulseaudio = helpers.make_widget_textbox()
local function worker(args)
local args = args or {}
local timeout = args.timeout or 5
local settings = args.settings or function() end
+ local scallback = args.scallback
- pulseaudio.sink = args.sink or 0 -- user defined or first one
- pulseaudio.cmd = args.cmd or string.format("pacmd list-sinks | grep -e 'index: %d' -e 'volume:' -e 'muted'", pulseaudio.sink)
- pulseaudio.widget = wibox.widget.textbox('')
+ pulseaudio.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'"
function pulseaudio.update()
- local s = read_pipe(pulseaudio.cmd)
-
- volume_now = {}
- volume_now.left = tonumber(string.match(s, "left.-(%d+)%%")) or tonumber(string.match(s, "0:.-(%d+)%%"))
- volume_now.right = tonumber(string.match(s, "right.-(%d+)%%")) or tonumber(string.match(s, "1:.-(%d+)%%"))
- volume_now.muted = string.match(s, "muted: (%S+)")
-
- widget = pulseaudio.widget
- settings()
+ if scallback then pulseaudio.cmd = scallback() end
+
+ helpers.async({ shell, "-c", pulseaudio.cmd }, function(s)
+ volume_now = {
+ index = string.match(s, "index: (%S+)") or "N/A",
+ sink = string.match(s, "device.string = \"(%S+)\"") or "N/A",
+ muted = string.match(s, "muted: (%S+)") or "N/A"
+ }
+
+ local ch = 1
+ volume_now.channel = {}
+ for v in string.gmatch(s, ":.-(%d+)%%") do
+ volume_now.channel[ch] = v
+ ch = ch + 1
+ end
+
+ volume_now.left = volume_now.channel[1] or "N/A"
+ volume_now.right = volume_now.channel[2] or "N/A"
+
+ widget = pulseaudio.widget
+ settings()
+ end)
end
- newtimer(string.format("pulseaudio-%s", pulseaudio.sink), timeout, pulseaudio.update)
+ helpers.newtimer("pulseaudio", timeout, pulseaudio.update)
- return setmetatable(pulseaudio, { __index = pulseaudio.widget })
+ return pulseaudio
end
return setmetatable(pulseaudio, { __call = function(_, ...) return worker(...) end })