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Kristofers Solo
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awesome/awesome-wm-widgets/volume-widget/volume.lua
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228
awesome/awesome-wm-widgets/volume-widget/volume.lua
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-------------------------------------------------
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-- The Ultimate Volume Widget for Awesome Window Manager
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-- More details could be found here:
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-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/volume-widget
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-- @author Pavel Makhov
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-- @copyright 2020 Pavel Makhov
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-------------------------------------------------
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local awful = require("awful")
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local wibox = require("wibox")
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local spawn = require("awful.spawn")
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local gears = require("gears")
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local beautiful = require("beautiful")
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local watch = require("awful.widget.watch")
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local utils = require("awesome-wm-widgets.volume-widget.utils")
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local LIST_DEVICES_CMD = [[sh -c "pacmd list-sinks; pacmd list-sources"]]
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local function GET_VOLUME_CMD(device) return 'amixer -D ' .. device .. ' sget Master' end
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local function INC_VOLUME_CMD(device, step) return 'amixer -D ' .. device .. ' sset Master ' .. step .. '%+' end
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local function DEC_VOLUME_CMD(device, step) return 'amixer -D ' .. device .. ' sset Master ' .. step .. '%-' end
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local function TOG_VOLUME_CMD(device) return 'amixer -D ' .. device .. ' sset Master toggle' end
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local widget_types = {
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icon_and_text = require("awesome-wm-widgets.volume-widget.widgets.icon-and-text-widget"),
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icon = require("awesome-wm-widgets.volume-widget.widgets.icon-widget"),
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arc = require("awesome-wm-widgets.volume-widget.widgets.arc-widget"),
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horizontal_bar = require("awesome-wm-widgets.volume-widget.widgets.horizontal-bar-widget"),
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vertical_bar = require("awesome-wm-widgets.volume-widget.widgets.vertical-bar-widget")
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}
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local volume = {}
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local rows = { layout = wibox.layout.fixed.vertical }
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local popup = awful.popup{
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bg = beautiful.bg_normal,
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ontop = true,
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visible = false,
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shape = gears.shape.rounded_rect,
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border_width = 1,
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border_color = beautiful.bg_focus,
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maximum_width = 400,
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offset = { y = 5 },
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widget = {}
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}
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local function build_main_line(device)
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if device.active_port ~= nil and device.ports[device.active_port] ~= nil then
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return device.properties.device_description .. ' · ' .. device.ports[device.active_port]
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else
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return device.properties.device_description
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end
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end
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local function build_rows(devices, on_checkbox_click, device_type)
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local device_rows = { layout = wibox.layout.fixed.vertical }
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for _, device in pairs(devices) do
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local checkbox = wibox.widget {
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checked = device.is_default,
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color = beautiful.bg_normal,
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paddings = 2,
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shape = gears.shape.circle,
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forced_width = 20,
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forced_height = 20,
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check_color = beautiful.fg_urgent,
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widget = wibox.widget.checkbox
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}
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checkbox:connect_signal("button::press", function()
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spawn.easy_async(string.format([[sh -c 'pacmd set-default-%s "%s"']], device_type, device.name), function()
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on_checkbox_click()
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end)
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end)
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local row = wibox.widget {
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{
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{
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{
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checkbox,
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valign = 'center',
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layout = wibox.container.place,
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},
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{
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{
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text = build_main_line(device),
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align = 'left',
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widget = wibox.widget.textbox
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},
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left = 10,
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layout = wibox.container.margin
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},
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spacing = 8,
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layout = wibox.layout.align.horizontal
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},
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margins = 4,
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layout = wibox.container.margin
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},
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bg = beautiful.bg_normal,
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widget = wibox.container.background
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}
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row:connect_signal("mouse::enter", function(c) c:set_bg(beautiful.bg_focus) end)
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row:connect_signal("mouse::leave", function(c) c:set_bg(beautiful.bg_normal) end)
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local old_cursor, old_wibox
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row:connect_signal("mouse::enter", function()
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local wb = mouse.current_wibox
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old_cursor, old_wibox = wb.cursor, wb
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wb.cursor = "hand1"
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end)
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row:connect_signal("mouse::leave", function()
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if old_wibox then
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old_wibox.cursor = old_cursor
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old_wibox = nil
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end
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end)
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row:connect_signal("button::press", function()
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spawn.easy_async(string.format([[sh -c 'pacmd set-default-%s "%s"']], device_type, device.name), function()
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on_checkbox_click()
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end)
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end)
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table.insert(device_rows, row)
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end
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return device_rows
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end
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local function build_header_row(text)
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return wibox.widget{
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{
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markup = "<b>" .. text .. "</b>",
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align = 'center',
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widget = wibox.widget.textbox
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},
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bg = beautiful.bg_normal,
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widget = wibox.container.background
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}
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end
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local function rebuild_popup()
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spawn.easy_async(LIST_DEVICES_CMD, function(stdout)
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local sinks, sources = utils.extract_sinks_and_sources(stdout)
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for i = 0, #rows do rows[i]=nil end
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table.insert(rows, build_header_row("SINKS"))
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table.insert(rows, build_rows(sinks, function() rebuild_popup() end, "sink"))
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table.insert(rows, build_header_row("SOURCES"))
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table.insert(rows, build_rows(sources, function() rebuild_popup() end, "source"))
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popup:setup(rows)
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end)
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end
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local function worker(user_args)
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local args = user_args or {}
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local mixer_cmd = args.mixer_cmd or 'pavucontrol'
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local widget_type = args.widget_type
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local refresh_rate = args.refresh_rate or 1
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local step = args.step or 5
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local device = args.device or 'pulse'
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if widget_types[widget_type] == nil then
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volume.widget = widget_types['icon_and_text'].get_widget(args.icon_and_text_args)
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else
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volume.widget = widget_types[widget_type].get_widget(args)
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end
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local function update_graphic(widget, stdout)
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local mute = string.match(stdout, "%[(o%D%D?)%]") -- \[(o\D\D?)\] - [on] or [off]
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if mute == 'off' then widget:mute()
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elseif mute == 'on' then widget:unmute()
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end
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local volume_level = string.match(stdout, "(%d?%d?%d)%%") -- (\d?\d?\d)\%)
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volume_level = string.format("% 3d", volume_level)
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widget:set_volume_level(volume_level)
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end
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function volume:inc(s)
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spawn.easy_async(INC_VOLUME_CMD(device, s or step), function(stdout) update_graphic(volume.widget, stdout) end)
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end
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function volume:dec(s)
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spawn.easy_async(DEC_VOLUME_CMD(device, s or step), function(stdout) update_graphic(volume.widget, stdout) end)
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end
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function volume:toggle()
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spawn.easy_async(TOG_VOLUME_CMD(device), function(stdout) update_graphic(volume.widget, stdout) end)
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end
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function volume:mixer()
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if mixer_cmd then
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spawn.easy_async(mixer_cmd)
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end
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end
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volume.widget:buttons(
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awful.util.table.join(
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awful.button({}, 3, function()
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if popup.visible then
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popup.visible = not popup.visible
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else
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rebuild_popup()
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popup:move_next_to(mouse.current_widget_geometry)
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end
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end),
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awful.button({}, 4, function() volume:inc() end),
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awful.button({}, 5, function() volume:dec() end),
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awful.button({}, 2, function() volume:mixer() end),
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awful.button({}, 1, function() volume:toggle() end)
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)
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)
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watch(GET_VOLUME_CMD(device), refresh_rate, update_graphic, volume.widget)
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return volume.widget
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end
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return setmetatable(volume, { __call = function(_, ...) return worker(...) end })
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