Man page - waybar-backlight-slider(5)

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Package: waybar
apt-get install waybar

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waybar - backlight slider module

The backlight slider module displays and controls the current brightness of the default or preferred device.

The brightness can be controlled by dragging the slider across the bar or clicking on a specific position.

min :
typeof: int
default: 0
The minimum volume value the slider should display and set.

max :
typeof: int
default: 100
The maximum volume value the slider should display and set.

orientation :
typeof: string
default: horizontal
The orientation of the slider. Can be either ‘horizontal‘ or ‘vertical‘.

device :
typeof: string
The name of the preferred device to control. If left empty, a device will be chosen automatically.

expand :

		typeof: bool
		default: false
		Enables this module to consume all left over space dynamically.

"modules-right": [
"backlight-slider",
],
"backlight/slider": {
"min": 0,
"max": 100,
"orientation": "horizontal",
"device": "intel_backlight"
}

The slider is a component with multiple CSS Nodes, of which the following are exposed:

#backlight-slider :
Controls the style of the box around the slider and bar.

#backlight-slider slider :
Controls the style of the slider handle.

#backlight-slider trough :
Controls the style of the part of the bar that has not been filled.

#backlight-slider highlight :
Controls the style of the part of the bar that has been filled.

#backlight-slider slider {
min-height: 0px;
min-width: 0px;
opacity: 0;
background-image: none;
border: none;
box-shadow: none;
}

#backlight-slider trough {
min-height: 80px;
min-width: 10px;
border-radius: 5px;
background-color: black;
}

#backlight-slider highlight {
min-width: 10px;
border-radius: 5px;
background-color: red;
}