--[[ Licensed under GNU General Public License v2 * (c) 2016, Luke Bonham --]] 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 } -- PulseAudio volume -- lain.widget.pulseaudio local function factory(args) local pulseaudio = { widget = wibox.widget.textbox() } local args = args or {} local timeout = args.timeout or 5 local settings = args.settings or function() end local scallback = args.scallback pulseaudio.device = "N/A" pulseaudio.devicetype = args.devicetype or "sink" pulseaudio.cmd = args.cmd or "pacmd list-" .. pulseaudio.devicetype .. "s | sed -n -e '/*/,$!d' -e '/index/p' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'" function pulseaudio.update() 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", device = string.match(s, "device.string = \"(%S+)\"") or "N/A", sink = device, -- legacy API muted = string.match(s, "muted: (%S+)") or "N/A" } pulseaudio.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 = pulseaudio.widget settings() end) end helpers.newtimer("pulseaudio", timeout, pulseaudio.update) return pulseaudio end return factory