Files
dotfiles/home/benk/.config/awesome/ben/backlight.lua
2026-03-11 13:33:25 +00:00

103 lines
2.8 KiB
Lua

-- BACKLIGHT
-- ===================================================================
-- Initialization
-- ===================================================================
local wibox = require("wibox")
local awful = require("awful")
local gears = require("gears")
local beautiful = require("beautiful")
local dpi = beautiful.xresources.apply_dpi
local offsetx = dpi(56)
local offsety = dpi(256)
local screen = awful.screen.focused()
local icon_dir = gears.filesystem.get_configuration_dir() .. "/icons/backlight/"
--
-- ===================================================================
-- Appearance & Functionality
-- ===================================================================
local backlight_icon = wibox.widget {
widget = wibox.widget.imagebox
}
-- create the backlight_adjust component
local backlight_adjust = wibox({
screen = awful.screen.focused(),
x = screen.geometry.width - offsetx,
y = (screen.geometry.height / 2) - (offsety / 2),
width = dpi(48),
height = offsety,
bg = beautiful.hud_panel_bg,
shape = gears.shape.rounded_rect,
visible = false,
ontop = true
})
local backlight_bar = wibox.widget{
widget = wibox.widget.progressbar,
shape = gears.shape.rounded_bar,
color = beautiful.hud_slider_fg,
background_color = beautiful.hud_slider_bg,
max_value = 100,
value = 0
}
backlight_adjust:setup {
layout = wibox.layout.align.vertical,
{
wibox.container.margin(
backlight_bar, dpi(14), dpi(20), dpi(20), dpi(20)
),
forced_height = offsety * 0.75,
direction = "east",
layout = wibox.container.rotate
},
wibox.container.margin(
backlight_icon
)
}
-- create a 4 second timer to hide the volume adjust
-- component whenever the timer is started
local hide_backlight_adjust = gears.timer {
timeout = 2,
autostart = true,
callback = function()
backlight_adjust.visible = false
end
}
-- show backlight-adjust when "backlight_change" signal is emitted
awesome.connect_signal("backlight_change",
function()
-- set new brightness value
awful.spawn.easy_async_with_shell(
"cat /sys/class/backlight/intel_backlight/brightness",
function(stdout)
local backlight_level = tonumber(stdout)
backlight_level = backlight_level / 4
backlight_bar.value = backlight_level
if (backlight_level < 50) then
backlight_icon:set_image(icon_dir .. "brightness-low.png")
else
backlight_icon:set_image(icon_dir .. "brightness-high.png")
end
end,
false
)
-- make backlight_adjust component visible
if backlight_adjust.visible then
hide_backlight_adjust:again()
else
backlight_adjust.visible = true
hide_backlight_adjust:start()
end
end
)