Struct NodeCustomEvent 

pub struct NodeCustomEvent { /* private fields */ }

Wrapper for node custom-event payload delivered by ArkUI.

Implementations

impl NodeCustomEvent

pub fn layout_constraint_in_measure(&self) -> Option<LayoutConstraintHandle>

Returns layout constraint info for measure callbacks.

pub fn position_in_layout(&self) -> IntOffset

Returns measured/layout position offset.

pub fn draw_context_in_draw(&self) -> Option<DrawContext>

Returns drawing context for draw-related callbacks.

pub fn event_target_id(&self) -> i32

Returns target id of the event source.

pub fn user_data(&self) -> Option<NonNull<c_void>>

Returns user data attached by ArkUI callback registration.

pub fn node_handle(&self) -> Option<ArkUINode>

Returns associated node handle.

pub fn event_type(&self) -> NodeCustomEventType

Returns custom event category.

pub fn get_custom_span_measure_info( &self, info: &mut CustomSpanMeasureInfo, ) -> ArkUIResult<()>

pub fn set_custom_span_metrics( &self, metrics: &mut CustomSpanMetrics, ) -> ArkUIResult<()>

pub fn get_custom_span_draw_info( &self, info: &mut CustomSpanDrawInfo, ) -> ArkUIResult<()>