Struct Context 

pub struct Context {
    pub input: InputState,
    pub layout: LayoutTree,
    pub registry: StateRegistry,
    pub animations: AnimationCoordinator,
    pub time: f64,
}

The central brain of the UZOR engine

Fields

input: InputState

Transient input state for the current frame

layout: LayoutTree

Calculated layout rectangles for all widgets

registry: StateRegistry

Persistent behavioral state (scroll, focus, etc.)

animations: AnimationCoordinator

Animation coordinator for managing widget animations

time: f64

Time since startup in seconds (for animations)

Implementations

impl Context

pub fn new(root_node: LayoutNode) -> Self

pub fn begin_frame(&mut self, input: InputState, viewport: Rect)

Begin a new frame with updated input

pub fn state<T: 'static + Send + Sync + Default>( &mut self, id: impl Into<WidgetId>, ) -> &mut T

Access persistent state for a widget

pub fn widget_rect(&self, id: &WidgetId) -> Rect

Helper to get widget rectangle from computed layout

pub fn button(&mut self, id: impl Into<WidgetId>) -> ButtonResponse

Calculate button interaction state

pub fn checkbox( &mut self, id: impl Into<WidgetId>, checked: bool, ) -> CheckboxResponse

Calculate checkbox interaction state

pub fn scroll_area( &mut self, id: impl Into<WidgetId>, content_height: f64, ) -> (Rect, ScrollState)

Calculate scroll area geometry and physics

pub fn icon_button(&mut self, id: impl Into<WidgetId>) -> IconButtonResponse

Calculate interaction state for an icon button