Trait NSCollectionViewDataSource 

pub unsafe trait NSCollectionViewDataSource: NSObjectProtocol + MainThreadOnly {
    // Provided methods
    fn collectionView_numberOfItemsInSection(
        &self,
        collection_view: &NSCollectionView,
        section: NSInteger,
    ) -> NSInteger
       where Self: Sized + Message { ... }
    fn collectionView_itemForRepresentedObjectAtIndexPath(
        &self,
        collection_view: &NSCollectionView,
        index_path: &NSIndexPath,
    ) -> Retained<NSCollectionViewItem>
       where Self: Sized + Message { ... }
    fn numberOfSectionsInCollectionView(
        &self,
        collection_view: &NSCollectionView,
    ) -> NSInteger
       where Self: Sized + Message { ... }
    fn collectionView_viewForSupplementaryElementOfKind_atIndexPath(
        &self,
        collection_view: &NSCollectionView,
        kind: &NSCollectionViewSupplementaryElementKind,
        index_path: &NSIndexPath,
    ) -> Retained<NSView>
       where Self: Sized + Message { ... }
}

Available on crate feature NSCollectionView only.

Apple’s documentation

Provided Methods

fn collectionView_numberOfItemsInSection( &self, collection_view: &NSCollectionView, section: NSInteger, ) -> NSInteger

where Self: Sized + Message,

Available on crate features NSResponder and NSView only.

fn collectionView_itemForRepresentedObjectAtIndexPath( &self, collection_view: &NSCollectionView, index_path: &NSIndexPath, ) -> Retained<NSCollectionViewItem>

where Self: Sized + Message,

Available on crate features NSResponder and NSView and NSViewController only.

fn numberOfSectionsInCollectionView( &self, collection_view: &NSCollectionView, ) -> NSInteger

where Self: Sized + Message,

Available on crate features NSResponder and NSView only.

fn collectionView_viewForSupplementaryElementOfKind_atIndexPath( &self, collection_view: &NSCollectionView, kind: &NSCollectionViewSupplementaryElementKind, index_path: &NSIndexPath, ) -> Retained<NSView>

where Self: Sized + Message,

Available on crate features NSResponder and NSView only.

Trait Implementations

impl<T> ImplementedBy<T> for dyn NSCollectionViewDataSource

where T: ?Sized + Message + NSCollectionViewDataSource,

impl ProtocolType for dyn NSCollectionViewDataSource

const NAME: &'static str = "NSCollectionViewDataSource"

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> NSCollectionViewDataSource for ProtocolObject<T>

where T: ?Sized + NSCollectionViewDataSource,

Implementors