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