lain/widget/pulse.lua

64 lines
1.8 KiB
Lua

--[[
Licensed under GNU General Public License v2
* (c) 2016, Luca CPZ
--]]
local requirePrefix = tostring(...):match(".*lain") or ""
if requirePrefix then
requirePrefix = requirePrefix .. "."
end
local helpers = require(requirePrefix .. "helpers")
local shell = require("awful.util").shell
local wibox = require("wibox")
local string = string
local type = type
-- PulseAudio volume
-- lain.widget.pulse
local function factory(args)
args = args or {}
local pulse = { widget = args.widget or wibox.widget.textbox(), device = "N/A" }
local timeout = args.timeout or 5
local settings = args.settings or function() end
pulse.devicetype = args.devicetype or "sink"
pulse.cmd = args.cmd or "pacmd list-" .. pulse.devicetype .. "s | sed -n -e '/*/,$!d' -e '/index/p' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
function pulse.update()
helpers.async({ shell, "-c", type(pulse.cmd) == "string" and pulse.cmd or pulse.cmd() },
function(s)
volume_now = {
index = string.match(s, "index: (%S+)") or "N/A",
device = string.match(s, "device.string = \"(%S+)\"") or "N/A",
muted = string.match(s, "muted: (%S+)") or "N/A"
}
pulse.device = volume_now.index
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 = pulse.widget
settings()
end)
end
helpers.newtimer("pulse", timeout, pulse.update)
return pulse
end
return factory