FocusableState<T extends StatefulWidget> mixin
A mixin for State subclasses that need focus management.
Automatically registers and unregisters a FocusNode with the FocusManager, handling ownership of the node (provided vs. internally created).
- Superclass constraints
- State<
T>
- State<
Properties
- context → BuildContext
-
The BuildContext for this state object.
no setterinherited
- focusNode → FocusNode
-
The FocusNode used by this widget.
no setter
- hasFocus → bool
-
Whether this widget currently has focus.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- mounted → bool
-
Whether this state object is currently in the tree.
no setterinherited
- providedFocusNode → FocusNode?
-
Override to provide an external FocusNode, or return null to use an internal one.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- widget → T
-
The current widget configuration.
no setterinherited
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this state.
inherited
-
didUpdateWidget(
covariant T oldWidget) → void -
Called when the widget configuration changes.
override
-
dispose(
) → void -
Called when this state object is removed from the tree permanently.
override
-
initState(
) → void -
Called when this state object is first inserted into the tree.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onFocusChange(
bool focused) → void - Called when the focus state changes. Override to respond to focus changes.
-
onKeyEvent(
KeyEvent event) → void - Called when a key event is received while this widget has focus.
-
setState(
void fn()) → void -
Notifies the framework that the internal state has changed, triggering a rebuild.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited