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  "identifier" : "/documentation/AppKit/NSScrubberProportionalLayout",
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# NSScrubberProportionalLayout

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

```
class NSScrubberProportionalLayout
```

## Topics

### Initializing a proprotional layout

[`init(numberOfVisibleItems:)`](/documentation/AppKit/NSScrubberProportionalLayout/init(numberOfVisibleItems:))

Initializes and returns a newly allocated proportional layout, configured to display the given number of items.

[`init(coder:)`](/documentation/AppKit/NSScrubberProportionalLayout/init(coder:))

Initializes and returns a newly allocated proprotional layout object from a storyboard or nib file.

### Configuring the layout

[`numberOfVisibleItems`](/documentation/AppKit/NSScrubberProportionalLayout/numberOfVisibleItems)

The number of items visible in the scrubber at once.


---

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