--[[ Licensed under GNU General Public License v2 * (c) 2016, Luca CPZ --]] 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 type = type -- PulseAudio volume -- lain.widget.pulse local function factory(args) local pulse = { widget = wibox.widget.textbox(), device = "N/A" } local args = args or {} 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