Framework

QuickLook

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Topics

Classes

class QLPreviewController

A specialized view for previewing an item.

class QLPreviewRequest

An opaque reference representing a preview request object.

class QLThumbnailRequest

An opaque reference representing a thumbnail request object.

Protocols

protocol QLPreviewControllerDataSource

The data source for a preview controller must adopt this protocol to provide preview items to the controller.

protocol QLPreviewControllerDelegate

The delegate of a preview controller must adopt this protocol.

protocol QLPreviewItem

A protocol that defines properties you implement to make your application’s content visible in a QuickLook preview (QLPreviewController in iOS or QLPreviewPanel in macOS).

Property List Keys

Property List Key QLNeedsToBeRunInMainThread

A Boolean value indicating whether a Quick Look app's generator can be run in threads other than the main thread.

Name: Quick Look needs to be run in main thread
Property List Key QLPreviewHeight

A hint at the height, in points, of a Quick Look app's previews.

Name: Quick Look preview height
Property List Key QLPreviewWidth

A hint at the width, in points, of a Quick Look app's previews.

Name: Quick Look preview width
Property List Key QLSupportsConcurrentRequests

A Boolean value indicating whether a Quick Look app's generator can handle concurrent thumbnail and preview requests.

Name: Quick Look supports concurrent requests
Property List Key QLThumbnailMinimumSize

The minimum size, in points, along one dimension of thumbnails for a Quick Look app's generator.

Name: Quick Look thumbnail minimum size