Crate incular_core 

Renderer- and platform-independent primitives shared by Incular.

Re-exports

pub use input::BACK_POINTER_BUTTON;

pub use input::DragStartBehavior;

pub use input::FORWARD_POINTER_BUTTON;

pub use input::ImeEvent;

pub use input::InputEvent;

pub use input::NormalizedPressure;

pub use input::PRIMARY_POINTER_BUTTON;

pub use input::PointerDeviceKind;

pub use input::PointerPhase;

pub use input::PointerSampleMetadata;

pub use input::SECONDARY_POINTER_BUTTON;

pub use input::StylusMetadata;

pub use input::StylusOrientation;

pub use input::TERTIARY_POINTER_BUTTON;

pub use input::TrackpadGesture;

pub use input::TrackpadGestureKind;

pub use input::TrackpadGesturePhase;

pub use input::WindowResizeDirection;

pub use input::additional_pointer_button_mask;

Modules

hot_reload

Hot-patch call points for development builds.

input

Platform-neutral input event values and the standardized keyboard vocabulary. Key remains the logical keyboard key inside this module; the crate root re-exports it as KeyboardKey to avoid colliding with the retained widget-key trait. Platform-neutral input values.

reactivity

Scheduler-independent dependency sources and owned subscriptions.

time

Monotonic and wall-clock time values that work on every Incular target.

Structs

Arena

Compact safe arena used by persistent framework trees. It never exposes references across mutations, so tree algorithms can remain ordinary &mut self code.

ArenaId

Stable slot identity. A removed slot increments its generation before reuse.

BuildContext

A scoped build context. Cloning a context keeps the same consumer identity; BuildContext::for_consumer creates a distinct dependency owner.

Color

ConsumerId

ContextGuard

Restores the previous active build scope when dropped.

DependencySnapshot

A read-only summary of the dependencies currently collected for a context.

HslColor

Hue, saturation, lightness, and opacity in an sRGB color space.

HsvColor

Hue, saturation, value, and opacity in an sRGB color space.

Invalidation

Multi-dimensional damage invalidation representation across independent retained runtime phases.

KeyHandle

Cloneable type-erased key. This is the type to use in a heterogeneous key field or collection.

KeyId

A compact, hashable description of a concrete key.

KeyboardEvent

Standardized keyboard values shared by every platform adapter.

Modifiers

Standardized keyboard values shared by every platform adapter.

Offset

Rect

RestorationKey

A stable, application-provided segment in a restoration path.

RestorationScope

A restoration location supplied by the runtime to an opt-in state owner.

Size

Transform

A retained two-dimensional affine transform.

UniqueKey

A globally unique local key. It is useful for forcing a fresh element when a widget is rebuilt, and is intentionally not based on object addresses.

ValueKey

A value-based local key. ValueKey<T> is the Rust equivalent of Flutter’s ValueKey<T> while remaining useful for any Eq + Hash value.

Enums

ChangeImpact

Identifies the invalidation scope required when a property changes.

Code

Standardized keyboard values shared by every platform adapter.

KeyState

Standardized keyboard values shared by every platform adapter.

KeyboardKey

Standardized keyboard values shared by every platform adapter.

Location

Standardized keyboard values shared by every platform adapter.

NamedKey

Standardized keyboard values shared by every platform adapter.

RestorationKeyError

Why a RestorationKey could not be created.

Traits

BuildableWidget

Optional build contract for widget crates that want to construct a child description from a context. It is separate from Widget so core does not force every renderer-specific widget to choose a child representation.

Key

A type-erased identity used by widgets and reconciliation algorithms. Implementors should be immutable value types.

Lerp

A type that can be linearly interpolated between two values.

LocalKey

Marker for keys whose identity is scoped to a local widget tree.

RestorationBackend

Raw JSON storage implemented by the runtime’s restoration manager.

Widget

Base contract shared by stateless and stateful widget descriptions.

Functions

finite_non_negative

finite_or_zero clamped to be non-negative, for extents, insets and radii.

finite_or_zero

Replaces NaN and infinities with zero so untrusted geometry cannot poison layout or rendering.

Type Aliases

DirtyFlags

Alias for Invalidation for backwards compatibility.

KeyObject

Compatibility name for value/object keys.

StringKey

Convenient string key constructor.