dotfiles/dot_config/waybar/waybar.wiki/Module:-Backlight.md

The backlight module displays the current backlight level.

Config

Addressed by backlight

option	typeof	default	description
interval	integer	2	The polling interval (in seconds) for the backlight level.
format	string	{percent}%	The format, how information should be displayed. On {} data gets inserted.
format-icons	array		Based on the current screen brightness, the corresponding icon gets selected. The order is low to high.
max-length	integer		The maximum length in characters the module should display.
rotate	integer		Positive value to rotate the text label.
states	array		A number of backlight states which get activated on certain brightness levels. See States
on-click	string		Command to execute when clicking on the module.
on-click-middle	string		Command to execute when you middle click on the module using the mousewheel.
on-click-right	string		Command to execute when you right click on the module.
on-scroll-up	string		Command to execute when scrolling up on the module. This replaces the default behaviour of brightness control.
on-scroll-down	string		Command to execute when scrolling down on the module. This replaces the default behaviour of brightness control.
smooth-scrolling-threshold	double		Threshold to be used when scrolling.
reverse-scrolling	bool	false	Option to reverse the scroll direction for devices other than a mouse (touchpad, trackpad, etc)
reverse-mouse-scrolling	bool	false	Option to reverse the scroll direction for mice
scroll-step	float	1.0	The speed in which to change the brightness when scrolling.
tooltip	bool	true	Option to disable tooltip on hover.
tooltip-format	string		Text to be displayed in the tooltip

Format replacements:

string	replacement
{percent}	Screen brightness as a percentage
{icon}	Icon, as defined in format-icons.

Example:

"backlight": {
    "device": "intel_backlight",
    "format": "{percent}% {icon}",
    "format-icons": ["", ""]
}

Style

• #backlight

See also

• External screen brightness (using ddcutil)
• Another external screen brightness (using ddcutil too)
• Screen brightness without external scripts (still ddcutil) Note: Can close Monitor OnScreenDisplay each set interval (e.g.: AOC 27G2G8)
• Screen brightness with simple bash script (with ddcutil too)