Module events 

DOM Event System

Implements W3C-style DOM events with capture/bubble propagation, hit testing against layout boxes, and event listener management. All coordinates use 26.6 fixed-point arithmetic (i32).

Structs

Event

A DOM event

EventDispatcher

Dispatches DOM events with capture/bubble propagation

EventListener

An event listener registration

HitRect

Axis-aligned bounding box for a layout element (pixel coordinates)

NodeTree

Simple tree structure for tracking parent-child relationships

Enums

EventPhase

Event propagation phase

EventType

DOM event type enumeration

Constants

FP_SHIFT

Shift amount for 26.6 fixed-point

Functions

fp_from_int

Convert integer to 26.6 fixed-point

fp_to_int

Convert 26.6 fixed-point to integer (truncate)

Type Aliases

FixedPoint

26.6 fixed-point coordinate (from Phase A layout module)

NodeId

Node identifier (arena index into DOM tree)