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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 awful = require("awful")
local wibox = require("wibox")
local watch = require("awful.widget.watch")
local spawn = require("awful.spawn")
local path_to_icons = "/usr/share/icons/Arc/status/symbolic/"
local GET_VOLUME_CMD = 'amixer -D pulse sget Master'
local INC_VOLUME_CMD = 'amixer -D pulse sset Master 5%+'
local DEC_VOLUME_CMD = 'amixer -D pulse sset Master 5%-'
local TOG_VOLUME_CMD = 'amixer -D pulse sset Master toggle'
local 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 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))
local volume_icon_name
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"
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 awful.spawn(INC_VOLUME_CMD, false)
elseif (button == 5) then awful.spawn(DEC_VOLUME_CMD, false)
elseif (button == 1) then awful.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)
watch(GET_VOLUME_CMD, 1, update_graphic, volume_widget)
return volume_widget
|
