Struct LongPressRecognizer 

pub struct LongPressRecognizer { /* private fields */ }

Stateful long-press gesture recognizer.

Implementations

impl LongPressRecognizer

pub fn new(settings: LongPressSettings) -> Self

Creates a long-press recognizer with custom settings.

pub fn update( &mut self, pass: PointerEventPass, pointer_changes: &mut [PointerChange], within_bounds: bool, ) -> LongPressResult

Updates the recognizer with the current pointer pass and events.

Slop origin

The recorded press position anchors slop and movement. A press without a recorded position uses the first movement sample as its origin.

within_bounds

within_bounds is a semantic flag the caller computes from the node’s relative coordinates; it reports whether the pointer was inside this node when the update ran.

pub fn update_at_frame_nanos( &mut self, pass: PointerEventPass, pointer_changes: &mut [PointerChange], within_bounds: bool, frame_nanos: u64, ) -> LongPressResult

Updates a press using the UI frame clock, including final-pass drag cancellation.

pub fn update_after_tap( &mut self, pass: PointerEventPass, pointer_changes: &mut [PointerChange], within_bounds: bool, frame_nanos: u64, tap: TapResult, ) -> LongPressResult

Observes the samples belonging to the supplied tap result, including consumed releases.

pub fn needs_frame(&self) -> bool

Reports whether a frame-clock press still needs its deadline checked.

pub fn has_triggered(&self) -> bool

Reports whether the current press has already triggered.

pub fn is_active(&self) -> bool

Reports whether a pointer press is being tracked.

pub fn cancel(&mut self)

Cancels the current press without activation.

pub fn advance_frame_nanos(&mut self, frame_nanos: u64) -> bool

Advances a stationary press and returns true only at its first deadline.

Trait Implementations

impl Clone for LongPressRecognizer

fn clone(&self) -> LongPressRecognizer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for LongPressRecognizer

impl Debug for LongPressRecognizer

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

Formats the value using the given formatter.

impl Default for LongPressRecognizer

fn default() -> LongPressRecognizer

Returns the “default value” for a type.

impl PartialEq for LongPressRecognizer

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for LongPressRecognizer