Module druid::widget::prelude

The types required to implement a Widget.

Structs

• BoxConstraints
  Constraints for layout.
• Env
  An environment passed down through all widget traversals.
• EventCtx
  A mutable context provided to event handling methods of widgets.
• LayoutCtx
  A context provided to layout-handling methods of widgets.
• LifeCycleCtx
  A mutable context provided to the lifecycle method on widgets.
• PaintCtx
  A context passed to paint methods of widgets.
• Size
  A 2D size.
• UpdateCtx
  A mutable context provided to data update methods of widgets.
• WidgetId
  A unique identifier for a single Widget.

Enums

• Event
  An event, propagated downwards during event flow.
• LifeCycle
  Application life cycle events.

Traits

• Data
  A trait used to represent value types.
• RenderContext
  The main trait for rendering graphics.
• Widget
  The trait implemented by all widgets.

Derive Macros

• Data
  Generates implementations of the Data trait.