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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 2021 Pavel Makhov
-------------------------------------------------
local awful = require("awful")
local wibox = require("wibox")
local watch = require("awful.widget.watch")
local spawn = require("awful.spawn")
local naughty = require("naughty")
local ICON_DIR = os.getenv("HOME") .. '/.config/awesome/awesome-wm-widgets/brightness-widget/'
local get_brightness_cmd
local inc_brightness_cmd
local dec_brightness_cmd
local brightness_widget = {}
local function show_warning(message)
naughty.notify{
preset = naughty.config.presets.critical,
title = 'Brightness Widget',
text = message}
end
local function worker(user_args)
local args = user_args or {}
local type = args.type or 'arc' -- arc or icon_and_text
local path_to_icon = args.path_to_icon or ICON_DIR .. 'brightness.svg'
local font = args.font or 'Play 9'
local timeout = args.timeout or 100
local program = args.program or 'light'
local step = args.step or 5
if program == 'light' then
get_brightness_cmd = 'sh -c "light -G"'
inc_brightness_cmd = 'sh -c "light -A ' .. step .. '"'
dec_brightness_cmd = 'sh -c "light -U ' .. step .. '"'
elseif program == 'xbacklight' then
get_brightness_cmd = 'xbacklight -get'
inc_brightness_cmd = 'xbacklight -inc ' .. step
dec_brightness_cmd = 'xbacklight -dec ' .. step
else
show_warning(program .. " command is not supported by the widget")
return
end
if type == 'icon_and_text' then
brightness_widget.widget = wibox.widget {
{
{
image = path_to_icon,
resize = false,
widget = wibox.widget.imagebox,
},
valigh = 'center',
layout = wibox.container.place
},
{
id = 'txt',
font = font,
widget = wibox.widget.textbox
},
spacing = 4,
layout = wibox.layout.fixed.horizontal,
set_value = function(self, level)
self:get_children_by_id('txt')[1]:set_text(level .. '%')
end
}
elseif type == 'arc' then
brightness_widget.widget = wibox.widget {
{
{
image = path_to_icon,
resize = true,
widget = wibox.widget.imagebox,
},
valigh = 'center',
layout = wibox.container.place
},
max_value = 100,
thickness = 2,
start_angle = 4.71238898, -- 2pi*3/4
forced_height = 18,
forced_width = 18,
bg = bg_color,
paddings = 2,
colors = {color},
widget = wibox.container.arcchart,
set_value = function(self, level)
self:set_value(level)
end
}
else
show_warning(type .. " type is not supported by the widget")
return
end
local update_widget = function(widget, stdout, _, _, _)
local brightness_level = tonumber(string.format("%.0f", stdout))
widget:set_value(brightness_level)
end
function brightness_widget:inc()
spawn.easy_async(inc_brightness_cmd, function()
spawn.easy_async(get_brightness_cmd, function(out)
update_widget(brightness_widget.widget, out)
end)
end)
end
function brightness_widget:dec()
spawn.easy_async(dec_brightness_cmd, function()
spawn.easy_async(get_brightness_cmd, function(out)
update_widget(brightness_widget.widget, out)
end)
end)
end
brightness_widget.widget:buttons(
awful.util.table.join(
awful.button({}, 4, function() brightness_widget:inc() end),
awful.button({}, 5, function() brightness_widget:dec() end)
)
)
watch(get_brightness_cmd, timeout, update_widget, brightness_widget.widget)
return brightness_widget.widget
end
return setmetatable(brightness_widget, { __call = function(_, ...)
return worker(...)
end })
|
