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|
-------------------------------------------------
-- Volume Widget for Awesome Window Manager
-- Shows the current volume level
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/volume-widget
-- @author Pavel Makhov
-- @copyright 2018 Pavel Makhov
-------------------------------------------------
local wibox = require("wibox")
local watch = require("awful.widget.watch")
local spawn = require("awful.spawn")
local naughty = require("naughty")
local gfs = require("gears.filesystem")
local dpi = require('beautiful').xresources.apply_dpi
local PATH_TO_ICONS = "/usr/share/icons/Arc/status/symbolic/"
local volume_widget = {}
local function worker(args)
local args = args or {}
local volume_audio_controller = args.volume_audio_controller or 'pulse'
local display_notification = args.notification or 'false'
local position = args.notification_position or "top_right"
local device_arg = ''
if volume_audio_controller == 'pulse' then
device_arg = '-D pulse'
end
local GET_VOLUME_CMD = 'amixer ' .. device_arg .. ' sget Master'
local INC_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master 5%+'
local DEC_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master 5%-'
local TOG_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master toggle'
if not gfs.dir_readable(PATH_TO_ICONS) then
naughty.notify{
title = "Volume Widget",
text = "Folder with icons doesn't exist: " .. PATH_TO_ICONS,
preset = naughty.config.presets.critical
}
end
volume_widget = wibox.widget {
{
id = "icon",
image = PATH_TO_ICONS .. "audio-volume-muted-symbolic.svg",
resize = false,
widget = wibox.widget.imagebox,
},
layout = wibox.container.margin(_, _, _, 3),
set_image = function(self, path)
self.icon.image = path
end
}
local notification = {}
local volume_icon_name="audio-volume-high-symbolic"
local function get_notification_text(txt)
local mute = string.match(txt, "%[(o%a%a?)%]")
local volume = string.match(txt, "(%d?%d?%d)%%")
volume = tonumber(string.format("% 3d", volume))
if mute == "off" then
return volume.."% <span color=\"red\"><b>Mute</b></span>"
else
return volume .."%"
end
end
local function show_volume(val)
spawn.easy_async(GET_VOLUME_CMD,
function(stdout, _, _, _)
naughty.destroy(notification)
notification = naughty.notify{
text = get_notification_text(stdout),
icon=PATH_TO_ICONS .. val .. ".svg",
icon_size = dpi(16),
title = "Volume",
position = position,
timeout = 0, hover_timeout = 0.5,
width = 200,
}
end
)
end
local update_graphic = function(widget, stdout, _, _, _)
local mute = string.match(stdout, "%[(o%D%D?)%]")
local volume = string.match(stdout, "(%d?%d?%d)%%")
volume = tonumber(string.format("% 3d", volume))
if mute == "off" then volume_icon_name="audio-volume-muted-symbolic_red"
elseif (volume >= 0 and volume < 25) then volume_icon_name="audio-volume-muted-symbolic"
elseif (volume < 50) then volume_icon_name="audio-volume-low-symbolic"
elseif (volume < 75) then volume_icon_name="audio-volume-medium-symbolic"
elseif (volume <= 100) then volume_icon_name="audio-volume-high-symbolic"
end
widget.image = PATH_TO_ICONS .. volume_icon_name .. ".svg"
if display_notification then
notification.iconbox.image = PATH_TO_ICONS .. volume_icon_name .. ".svg"
naughty.replace_text(notification, "Volume", get_notification_text(stdout))
end
end
--[[ allows control volume level by:
- clicking on the widget to mute/unmute
- scrolling when cursor is over the widget
]]
volume_widget:connect_signal("button::press", function(_,_,_,button)
if (button == 4) then spawn(INC_VOLUME_CMD, false)
elseif (button == 5) then spawn(DEC_VOLUME_CMD, false)
elseif (button == 1) then spawn(TOG_VOLUME_CMD, false)
end
spawn.easy_async(GET_VOLUME_CMD, function(stdout, stderr, exitreason, exitcode)
update_graphic(volume_widget, stdout, stderr, exitreason, exitcode)
end)
end)
if display_notification then
volume_widget:connect_signal("mouse::enter", function() show_volume(volume_icon_name) end)
volume_widget:connect_signal("mouse::leave", function() naughty.destroy(notification) end)
end
watch(GET_VOLUME_CMD, 1, update_graphic, volume_widget)
return volume_widget
end
return setmetatable(volume_widget, { __call = function(_, ...) return worker(...) end })
|
