waybar-river-layout(5) File Formats Manual waybar-river-layout(5)

# [NAME](#NAME)

waybar - river layout module

# [DESCRIPTION](#DESCRIPTION)

The **layout** module displays the current layout in river.

It may not be set until a layout is first applied.

# [CONFIGURATION](#CONFIGURATION)

Addressed by **river/layout**

**format**:  
typeof: string  
default: {}  
The format, how information should be displayed. On {} data gets inserted.

**rotate**:  
typeof: integer  
Positive value to rotate the text label (in 90 degree increments).

**max-length**:  
typeof: integer  
The maximum length in character the module should display.

**min-length**:  
typeof: integer  
The minimum length in characters the module should accept.

**align**:  
typeof: float  
The alignment of the label within the module, where 0 is left-aligned and 1 is right-aligned. If the module is rotated, it will follow the flow of the text.

**justify**:  
typeof: string  
The alignment of the text within the module's label, allowing options 'left', 'right', or 'center' to define the positioning.

**on-click**:  
typeof: string  
Command to execute when clicked on the module.

**on-click-middle**:  
typeof: string  
Command to execute when middle-clicked on the module using mousewheel.

**on-click-right**:  
typeof: string  
Command to execute when you right-click on the module.

**menu**:  
typeof: string  
Action that popups the menu.

**menu-file**:  
typeof: string  
Location of the menu descriptor file. There need to be an element of type

GtkMenu with id **menu**

**menu-actions**:  
typeof: array  
The actions corresponding to the buttons of the menu.

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

# [EXAMPLE](#EXAMPLE)

```
"river/layout": {
	"format": "{}",
	"min-length": 4,
	"align": "right"
}
```

# [STYLE](#STYLE)

- **#layout**
- **#layout.focused** Applied when the output this module's bar belongs to is focused.
- **#layout.<layout>** Applied when the output this module's bar belongs uses this layout.

# [SEE ALSO](#SEE_ALSO)

[waybar(5)](/man/enterprise-packages/waybar/waybar.5), [river(1)](/man/enterprise-packages/waybar/river.1)

2026-10-16

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Document: waybar-river-layout(5) from waybar 0.15.0-r0 (Chainguard OS)