dotfiles/awesome/lain/widget/pulsebar.lua
2020-05-16 23:07:21 +03:00

162 lines
5.5 KiB
Lua

--[[
Licensed under GNU General Public License v2
* (c) 2013, Luca CPZ
* (c) 2013, Rman
--]]
local helpers = require("lain.helpers")
local awful = require("awful")
local naughty = require("naughty")
local wibox = require("wibox")
local math = math
local string = string
local type = type
local tonumber = tonumber
-- PulseAudio volume bar
-- lain.widget.pulsebar
local function factory(args)
local pulsebar = {
colors = {
background = "#000000",
mute = "#EB8F8F",
unmute = "#A4CE8A"
},
_current_level = 0,
_mute = "no",
device = "N/A"
}
local args = args or {}
local timeout = args.timeout or 5
local settings = args.settings or function() end
local width = args.width or 63
local height = args.height or 1
local margins = args.margins or 1
local paddings = args.paddings or 1
local ticks = args.ticks or false
local ticks_size = args.ticks_size or 7
pulsebar.colors = args.colors or pulsebar.colors
pulsebar.followtag = args.followtag or false
pulsebar.notification_preset = args.notification_preset
pulsebar.devicetype = args.devicetype or "sink"
pulsebar.cmd = args.cmd or "pacmd list-" .. pulsebar.devicetype .. "s | sed -n -e '/*/,$!d' -e '/index/p' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
if not pulsebar.notification_preset then
pulsebar.notification_preset = {
font = "Monospace 10"
}
end
pulsebar.bar = wibox.widget {
color = pulsebar.colors.unmute,
background_color = pulsebar.colors.background,
forced_height = height,
forced_width = width,
margins = margins,
paddings = paddings,
ticks = ticks,
ticks_size = ticks_size,
widget = wibox.widget.progressbar,
}
pulsebar.tooltip = awful.tooltip({ objects = { pulsebar.bar } })
function pulsebar.update(callback)
helpers.async({ awful.util.shell, "-c", type(pulsebar.cmd) == "string" and pulsebar.cmd or pulsebar.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"
}
pulsebar.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"
local volu = volume_now.left
local mute = volume_now.muted
if volu:match("N/A") or mute:match("N/A") then return end
if volu ~= pulsebar._current_level or mute ~= pulsebar._mute then
pulsebar._current_level = tonumber(volu)
pulsebar.bar:set_value(pulsebar._current_level / 100)
if pulsebar._current_level == 0 or mute == "yes" then
pulsebar._mute = mute
pulsebar.tooltip:set_text ("[muted]")
pulsebar.bar.color = pulsebar.colors.mute
else
pulsebar._mute = "no"
pulsebar.tooltip:set_text(string.format("%s %s: %s", pulsebar.devicetype, pulsebar.device, volu))
pulsebar.bar.color = pulsebar.colors.unmute
end
settings()
if type(callback) == "function" then callback() end
end
end)
end
function pulsebar.notify()
pulsebar.update(function()
local preset = pulsebar.notification_preset
preset.title = string.format("%s %s - %s%%", pulsebar.devicetype, pulsebar.device, pulsebar._current_level)
if pulsebar._mute == "yes" then
preset.title = preset.title .. " muted"
end
-- tot is the maximum number of ticks to display in the notification
-- fallback: default horizontal wibox height
local wib, tot = awful.screen.focused().mywibox, 20
-- if we can grab mywibox, tot is defined as its height if
-- horizontal, or width otherwise
if wib then
if wib.position == "left" or wib.position == "right" then
tot = wib.width
else
tot = wib.height
end
end
int = math.modf((pulsebar._current_level / 100) * tot)
preset.text = string.format("[%s%s]", string.rep("|", int),
string.rep(" ", tot - int))
if pulsebar.followtag then preset.screen = awful.screen.focused() end
if not pulsebar.notification then
pulsebar.notification = naughty.notify {
preset = preset,
destroy = function() pulsebar.notification = nil end
}
else
naughty.replace_text(pulsebar.notification, preset.title, preset.text)
end
end)
end
helpers.newtimer(string.format("pulsebar-%s", pulsebar.sink), timeout, pulsebar.update)
return pulsebar
end
return factory