mirror of https://github.com/lcpz/lain.git
148 lines
5.1 KiB
Lua
148 lines
5.1 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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* (c) 2013, Luke Bonham
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* (c) 2013, Rman
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--]]
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local helpers = require("lain.helpers")
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local awful = require("awful")
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local naughty = require("naughty")
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local wibox = require("wibox")
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local math = { modf = math.modf }
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local string = { format = string.format,
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gmatch = string.gmatch,
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match = string.match,
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rep = string.rep }
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local type = type
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local tonumber = tonumber
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local setmetatable = setmetatable
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-- Pulseaudio volume bar
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-- lain.widgets.pulsebar
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local pulsebar = {
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colors = {
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background = "#000000",
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mute = "#EB8F8F",
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unmute = "#A4CE8A"
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},
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_current_level = 0,
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_muted = false
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}
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local function worker(args)
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local args = args or {}
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local timeout = args.timeout or 5
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local settings = args.settings or function() end
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local width = args.width or 63
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local height = args.heigth or 1
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local ticks = args.ticks or false
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local ticks_size = args.ticks_size or 7
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local vertical = args.vertical or false
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local scallback = args.scallback
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pulsebar.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'"
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pulsebar.sink = args.sink or 0
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pulsebar.colors = args.colors or pulsebar.colors
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pulsebar.followtag = args.followtag or false
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pulsebar.notifications = args.notification_preset
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if not pulsebar.notification_preset then
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pulsebar.notification_preset = naughty.config.defaults
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pulsebar.notification_preset.font = "Monospace 11"
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end
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pulsebar.bar = wibox.widget {
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forced_height = height,
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forced_width = width,
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color = pulsebar.colors.unmute,
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background_color = pulsebar.colors.background,
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margins = 1,
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paddings = 1,
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ticks = ticks,
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ticks_size = ticks_size,
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widget = wibox.widget.progressbar,
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layout = vertical and wibox.container.rotate
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}
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pulsebar.tooltip = awful.tooltip({ objects = { pulsebar.bar } })
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function pulsebar.update(callback)
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if scallback then pulseaudio.cmd = scallback() end
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helpers.async({ awful.util.shell, "-c", pulsebar.cmd }, function(s)
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volume_now = {
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index = string.match(s, "index: (%S+)") or "N/A",
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sink = string.match(s, "device.string = \"(%S+)\"") or "N/A",
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muted = string.match(s, "muted: (%S+)") or "N/A"
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}
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local ch = 1
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volume_now.channel = {}
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for v in string.gmatch(s, ":.-(%d+)%%") do
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volume_now.channel[ch] = v
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ch = ch + 1
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end
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volume_now.left = volume_now.channel[1] or "N/A"
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volume_now.right = volume_now.channel[2] or "N/A"
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local volu = volume_now.left
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local mute = volume_now.muted
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if (volu and volu ~= pulsebar._current_level) or (mute and mute ~= pulsebar._muted) then
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pulsebar._current_level = volu
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pulsebar.bar:set_value(pulsebar._current_level / 100)
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if (not mute and volu == 0) or mute == "yes" then
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pulsebar._muted = true
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pulsebar.tooltip:set_text ("[Muted]")
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pulsebar.bar.color = pulsebar.colors.mute
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else
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pulsebar._muted = false
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pulsebar.tooltip:set_text(string.format("%s: %s", pulsebar.sink, volu))
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pulsebar.bar.color = pulsebar.colors.unmute
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end
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settings()
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if type(callback) == "function" then callback() end
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end
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end)
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end
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function pulsebar.notify()
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pulsebar.update(function()
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local preset = pulsebar.notification_preset
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if pulsebar._muted then
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preset.title = string.format("Sink %s - Muted", pulsebar.sink)
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else
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preset.title = string.format("%s - %s%%", pulsebar.sink, pulsebar._current_level)
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end
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int = math.modf((pulsebar._current_level / 100) * awful.screen.focused().mywibox.height)
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preset.text = string.format("[%s%s]", string.rep("|", int),
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string.rep(" ", awful.screen.focused().mywibox.height - int))
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if pulsebar.followtag then preset.screen = awful.screen.focused() end
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pulsebar.id = naughty.notify ({
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replaces_id = pulsebar.id,
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preset = preset
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}).id
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end)
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end
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timer_id = string.format("pulsebar-%s", pulsebar.sink)
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helpers.newtimer(timer_id, timeout, pulsebar.update)
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return pulsebar
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end
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return setmetatable(pulsebar, { __call = function(_, ...) return worker(...) end })
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