Renderer capability for DropdownButton components.
This is a capability contract (ISP): components request this interface
via HeadlessTheme.capability<RDropdownButtonRenderer>().
Renderers implement this to provide visual representation. Components never know the concrete renderer implementation.
Non-generic by design: The renderer only needs UI data (labels, indices,
disabled states). The generic T is handled by the component, which maps
value ↔ index internally.
See docs/V1_DECISIONS.md → "4) Renderer contracts + Slots override".
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
render(
RDropdownRenderRequest request) → Widget - Render a dropdown button with the given request.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited