Module modifier 

Modifier node scaffolding for Cranpose.

This module defines the foundational pieces of the Cranpose Modifier.Node system. It introduces traits for modifier nodes and their contexts as well as a lightweight chain container that reconciles nodes across updates.

Structs

BasicModifierNodeContext

Lightweight ModifierNodeContext implementation that records invalidation requests and update signals.

Constraints

Constraints used during layout measurement.

ModifierChainIter

Iterator walking a modifier chain by indexing into ordered_nodes.

ModifierChainNodeRef

ModifierInvalidation

Records an invalidation request together with the capability mask that triggered it.

ModifierNodeChain

Chain of modifier nodes attached to a layout node.

NodeCapabilities

Capability flags indicating which specialized traits a modifier node implements.

NodeState

Runtime state tracked for every ModifierNode.

SemanticsConfiguration

Semantics configuration for accessibility.

Size

Enums

FocusState

Focus state of a focus target node.

InvalidationKind

Identifies which part of the rendering pipeline should be invalidated after a modifier node changes state.

Traits

AnyModifierElement

Type-erased modifier element used by the runtime to reconcile chains.

DelegatableNode

Provides traversal helpers that mirror Jetpack Compose’s DelegatableNode contract.

DrawModifierNode

Marker trait for draw-specific modifier nodes.

DrawScope

FocusNode

Marker trait for focus modifier nodes.

LayoutModifierNode

Marker trait for layout-specific modifier nodes.

Measurable

Object capable of measuring a layout child and exposing intrinsic sizes.

ModifierNode

Core trait implemented by modifier nodes.

ModifierNodeContext

Runtime services exposed to modifier nodes while attached to a tree.

ModifierNodeElement

Strongly typed modifier elements that can create and update nodes while exposing equality/hash/inspector contracts that mirror Jetpack Compose.

PointerInputNode

Marker trait for pointer input modifier nodes.

SemanticsNode

Marker trait for semantics modifier nodes.

Functions

modifier_element

Convenience helper for callers to construct a type-erased modifier element without having to mention the internal wrapper type.

Type Aliases

DynModifierElement

Boxed type-erased modifier element.