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-------------------------------------------------
-- Brightness Widget for Awesome Window Manager
-- Shows the brightness level of the laptop display
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/brightness-widget
-- @author Pavel Makhov
-- @copyright 2017-2019 Pavel Makhov
-------------------------------------------------
local wibox = require("wibox")
local watch = require("awful.widget.watch")
local spawn = require("awful.spawn")
local PATH_TO_ICON = "/usr/share/icons/Arc/status/symbolic/display-brightness-symbolic.svg"
local GET_BRIGHTNESS_CMD = "light -G" -- "xbacklight -get"
local INC_BRIGHTNESS_CMD = "light -A 5" -- "xbacklight -inc 5"
local DEC_BRIGHTNESS_CMD = "light -U 5" -- "xbacklight -dec 5"
local widget = {}
local function worker(args)
local args = args or {}
local get_brightness_cmd = args.get_brightness_cmd or GET_BRIGHTNESS_CMD
local inc_brightness_cmd = args.inc_brightness_cmd or INC_BRIGHTNESS_CMD
local dec_brightness_cmd = args.dec_brightness_cmd or DEC_BRIGHTNESS_CMD
local path_to_icon = args.path_to_icon or PATH_TO_ICON
local font = args.font or 'Play 9'
local timeout = args.timeout or 1
local brightness_text = wibox.widget.textbox()
brightness_text:set_font(font)
local brightness_icon = wibox.widget {
{
image = path_to_icon,
resize = false,
widget = wibox.widget.imagebox,
},
top = 3,
widget = wibox.container.margin
}
widget = wibox.widget {
brightness_icon,
brightness_text,
layout = wibox.layout.fixed.horizontal,
}
local update_widget = function(widget, stdout, _, _, _)
local brightness_level = tonumber(string.format("%.0f", stdout))
widget:set_text(" " .. brightness_level .. "%")
end,
widget:connect_signal("button::press", function(_, _, _, button)
if (button == 4) then
spawn(inc_brightness_cmd, false)
elseif (button == 5) then
spawn(dec_brightness_cmd, false)
end
end)
watch(get_brightness_cmd, timeout, update_widget, brightness_text)
return widget
end
return setmetatable(widget, { __call = function(_, ...)
return worker(...)
end })
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