Trait UICollectionViewDropItem 

pub unsafe trait UICollectionViewDropItem: NSObjectProtocol + MainThreadOnly {
    // Provided methods
    fn dragItem(&self) -> Retained<UIDragItem>
       where Self: Sized + Message { ... }
    fn sourceIndexPath(&self) -> Option<Retained<NSIndexPath>>
       where Self: Sized + Message { ... }
    fn previewSize(&self) -> CGSize
       where Self: Sized + Message { ... }
}

Available on crate feature UICollectionView only.

Apple’s documentation

Provided Methods

fn dragItem(&self) -> Retained<UIDragItem>

where Self: Sized + Message,

Available on crate feature UIDragItem only.

fn sourceIndexPath(&self) -> Option<Retained<NSIndexPath>>

where Self: Sized + Message,

fn previewSize(&self) -> CGSize

where Self: Sized + Message,

Available on crate feature objc2-core-foundation only.

Trait Implementations

impl<T> ImplementedBy<T> for dyn UICollectionViewDropItem

where T: ?Sized + Message + UICollectionViewDropItem,

impl ProtocolType for dyn UICollectionViewDropItem

const NAME: &'static str = "UICollectionViewDropItem"

The name of the Objective-C protocol that this type represents.

fn protocol() -> Option<&'static AnyProtocol>

Get a reference to the Objective-C protocol object that this type represents.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T> UICollectionViewDropItem for ProtocolObject<T>

where T: ?Sized + UICollectionViewDropItem,

Implementors