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