---
title: NSScrubberProportionalLayout
framework: appkit
role: symbol
role_heading: Class
path: appkit/nsscrubberproportionallayout
---

# NSScrubberProportionalLayout

A concrete layout object that sizes each item to some fraction of the scrubber’s visible size.

## Declaration

```swift
class NSScrubberProportionalLayout
```

## Topics

### Initializing a proprotional layout

- [init(numberOfVisibleItems:)](appkit/nsscrubberproportionallayout/init(numberofvisibleitems:).md)
- [init(coder:)](appkit/nsscrubberproportionallayout/init(coder:).md)

### Configuring the layout

- [numberOfVisibleItems](appkit/nsscrubberproportionallayout/numberofvisibleitems.md)

## Relationships

### Inherits From

- [NSScrubberLayout](appkit/nsscrubberlayout.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Scrubber layouts

- [NSScrubberFlowLayout](appkit/nsscrubberflowlayout.md)
- [NSScrubberFlowLayoutDelegate](appkit/nsscrubberflowlayoutdelegate.md)
- [NSScrubberLayoutAttributes](appkit/nsscrubberlayoutattributes.md)
- [NSScrubberLayout](appkit/nsscrubberlayout.md)