Struct FocusRequest 

pub struct FocusRequest(/* private fields */);

A field-scoped slot through which a widget exposes its focus behavior.

Implementations

impl FocusRequest

pub fn register(&self, callback: Callback<()>) -> FocusRegistration

Registers the callback used by FocusRequest::request.

Dropping the returned registration removes this callback without disturbing a newer registration in the same slot.

pub fn request(&self) -> bool

Requests focus from the currently registered widget.

Returns whether a widget was registered to receive the request.

Trait Implementations

impl Clone for FocusRequest

fn clone(&self) -> FocusRequest

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FocusRequest

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for FocusRequest

fn default() -> FocusRequest

Returns the “default value” for a type.

impl PartialEq for FocusRequest

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.