Widget class abstract
Base class for composable TUI widgets.
Widgets are Models with automatic child message forwarding and theme access.
- Implemented types
Properties
-
children
→ List<
Widget> -
Child widgets that receive forwarded messages.
no setter
- debugRenderObjectPassthrough → bool
-
Whether this widget is intentionally transparent to render-object layouts.
no setter
- focusable → bool
-
Whether this widget can receive keyboard focus.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- id → String
-
Unique identifier for this widget.
no setter
- key → Key?
-
Key for preserving widget identity.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- theme → Theme
-
Access the current theme.
no setter
Methods
-
buildCachedView<
T> (T builder(), Object? cacheKey) → T - Returns a cached view if the cache key matches.
-
handleInit(
) → Cmd? - Override this instead of init for widget-specific initialization.
-
handleIntercept(
Msg msg) → (Widget, Cmd?) - Override this to handle messages before they reach children.
-
handleUpdate(
Msg msg) → (Widget, Cmd?) - Override this to handle messages specific to this widget.
-
init(
) → Cmd? -
Called once when the widget is first mounted.
override
-
invalidateCachedView(
) → void - Clears any cached view for this widget.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
override
-
update(
Msg msg) → (Model, Cmd?) -
Handles messages by forwarding to children then calling handleUpdate.
override
-
view(
) → Object -
Renders the widget to a string or View.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited