Struct ScrollbarInteraction 

pub struct ScrollbarInteraction {
    pub hover: Option<(Entity, ScrollbarAxisPick, ScrollbarPart)>,
    pub drag: Option<ScrollbarDrag>,
}

Pointer <-> overlay-scrollbar arbitration, shared between lumen_primitives::scrollbar (writer) and lumen-input’s hit_test (reader). While the pointer is over a visible bar - or a thumb drag is active - the hit-test resolves to the scroll container itself, so bars sit above content for clicks/hover, wheel events still route through the container’s normal scroll chain (bars never steal wheel), and dragging keeps working when the pointer leaves the bar (pointer capture).

Fields

hover: Option<(Entity, ScrollbarAxisPick, ScrollbarPart)>

Bar region currently under the pointer (visible bars only).

drag: Option<ScrollbarDrag>

Active thumb drag, if any. Takes precedence over hover.

Trait Implementations

impl Clone for ScrollbarInteraction

fn clone(&self) -> ScrollbarInteraction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Component for ScrollbarInteraction

where Self: Send + Sync + 'static,

const STORAGE_TYPE: StorageType = bevy_ecs::component::StorageType::SparseSet

A constant indicating the storage type used for this component.

type Mutability = Mutable

A marker type to assist Bevy with determining if this component is mutable, or immutable. Mutable components will have Component<Mutability = Mutable>, while immutable components will instead have Component<Mutability = Immutable>.

fn register_required_components( _requiree: ComponentId, required_components: &mut RequiredComponentsRegistrator<'_, '_>, )

Registers required components.

fn clone_behavior() -> ComponentCloneBehavior

Called when registering this component, allowing to override clone function (or disable cloning altogether) for this component.

fn relationship_accessor() -> Option<ComponentRelationshipAccessor<Self>>

Returns [ComponentRelationshipAccessor] required for working with relationships in dynamic contexts.

fn on_add() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_add [ComponentHook] for this Component if one is defined.

fn on_insert() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_insert [ComponentHook] for this Component if one is defined.

fn on_discard() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_discard [ComponentHook] for this Component if one is defined.

fn on_remove() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_remove [ComponentHook] for this Component if one is defined.

fn on_despawn() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_despawn [ComponentHook] for this Component if one is defined.

fn map_entities<E>(_this: &mut Self, _mapper: &mut E)

where E: EntityMapper,

Maps the entities on this component using the given EntityMapper. This is used to remap entities in contexts like scenes and entity cloning. When deriving Component, this is populated by annotating fields containing entities with #[entities]

impl Debug for ScrollbarInteraction

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

Formats the value using the given formatter.

impl Default for ScrollbarInteraction

fn default() -> ScrollbarInteraction

Returns the “default value” for a type.

impl Copy for ScrollbarInteraction

impl Resource for ScrollbarInteraction

where Self: Send + Sync + 'static,