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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 objc2-core-foundation and UIResponder and UIView 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 objc2-core-foundation and UIResponder and UIView 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<T> ImplementedBy<T> for dyn UIScrollViewDelegate
where T: ?Sized + Message + UIScrollViewDelegate,

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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

Dyn Compatibility§

This trait is dyn compatible.

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

Implementations on Foreign Types§

Source§

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.