UIScrollViewDelegate

objc2_ui_kit

Trait UIScrollViewDelegate 

Source 
pub unsafe trait UIScrollViewDelegate: NSObjectProtocol + MainThreadOnly {

Show 14 methods    // Provided methods
    fn scrollViewDidScroll(&self, scroll_view: &UIScrollView)
       where Self: Sized + Message { ... }
    fn scrollViewDidZoom(&self, scroll_view: &UIScrollView)
       where Self: Sized + Message { ... }
    fn scrollViewWillBeginDragging(&self, scroll_view: &UIScrollView)
       where Self: Sized + Message { ... }
    unsafe fn scrollViewWillEndDragging_withVelocity_targetContentOffset(
        &self,
        scroll_view: &UIScrollView,
        velocity: CGPoint,
        target_content_offset: NonNull<CGPoint>,
    )
       where Self: Sized + Message { ... }
    fn scrollViewDidEndDragging_willDecelerate(
        &self,
        scroll_view: &UIScrollView,
        decelerate: bool,
    )
       where Self: Sized + Message { ... }
    fn scrollViewWillBeginDecelerating(&self, scroll_view: &UIScrollView)
       where Self: Sized + Message { ... }
    fn scrollViewDidEndDecelerating(&self, scroll_view: &UIScrollView)
       where Self: Sized + Message { ... }
    fn scrollViewDidEndScrollingAnimation(&self, scroll_view: &UIScrollView)
       where Self: Sized + Message { ... }
    fn viewForZoomingInScrollView(
        &self,
        scroll_view: &UIScrollView,
    ) -> Option<Retained<UIView>>
       where Self: Sized + Message { ... }
    fn scrollViewWillBeginZooming_withView(
        &self,
        scroll_view: &UIScrollView,
        view: Option<&UIView>,
    )
       where Self: Sized + Message { ... }
    fn scrollViewDidEndZooming_withView_atScale(
        &self,
        scroll_view: &UIScrollView,
        view: Option<&UIView>,
        scale: CGFloat,
    )
       where Self: Sized + Message { ... }
    fn scrollViewShouldScrollToTop(&self, scroll_view: &UIScrollView) -> bool
       where Self: Sized + Message { ... }
    fn scrollViewDidScrollToTop(&self, scroll_view: &UIScrollView)
       where Self: Sized + Message { ... }
    fn scrollViewDidChangeAdjustedContentInset(
        &self,
        scroll_view: &UIScrollView,
    )
       where Self: Sized + Message { ... }

}
Available on crate feature UIScrollView only.
Expand description

Apple’s documentation

Provided Methods§

Source

fn scrollViewDidScroll(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewDidZoom(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewWillBeginDragging(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

unsafe fn scrollViewWillEndDragging_withVelocity_targetContentOffset( &self, scroll_view: &UIScrollView, velocity: CGPoint, target_content_offset: NonNull<CGPoint>, )
where Self: Sized + Message,

Available on crate features UIResponder and UIView and objc2-core-foundation only.
§Safety

target_content_offset must be a valid pointer.

Source

fn scrollViewDidEndDragging_willDecelerate( &self, scroll_view: &UIScrollView, decelerate: bool, )
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewWillBeginDecelerating(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewDidEndDecelerating(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewDidEndScrollingAnimation(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn viewForZoomingInScrollView( &self, scroll_view: &UIScrollView, ) -> Option<Retained<UIView>>
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewWillBeginZooming_withView( &self, scroll_view: &UIScrollView, view: Option<&UIView>, )
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewDidEndZooming_withView_atScale( &self, scroll_view: &UIScrollView, view: Option<&UIView>, scale: CGFloat, )
where Self: Sized + Message,

Available on crate features UIResponder and UIView and objc2-core-foundation only.
Source

fn scrollViewShouldScrollToTop(&self, scroll_view: &UIScrollView) -> bool
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewDidScrollToTop(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.
Source

fn scrollViewDidChangeAdjustedContentInset(&self, scroll_view: &UIScrollView)
where Self: Sized + Message,

Available on crate features UIResponder and UIView only.

Trait Implementations§

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impl ProtocolType for dyn UIScrollViewDelegate

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const NAME: &'static str = "UIScrollViewDelegate"

The name of the Objective-C protocol that this type represents. Read more
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fn protocol() -> Option<&'static AnyProtocol>

Get a reference to the Objective-C protocol object that this type represents. Read more
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impl<T> ImplementedBy<T> for dyn UIScrollViewDelegate
where T: ?Sized + Message + UIScrollViewDelegate,

Implementations on Foreign Types§

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impl<T> UIScrollViewDelegate for ProtocolObject<T>
where T: ?Sized + UIScrollViewDelegate,

Implementors§

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impl UIScrollViewDelegate for UICollectionViewController

Available on crate feature UICollectionViewController only.
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impl UIScrollViewDelegate for UITableViewController

Available on crate feature UITableViewController only.
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impl UIScrollViewDelegate for UIWebView

Available on crate feature UIWebView only.