CustomPositionedWidgetController class abstract

A controller for controlling the position and padding of a widget. Must not be used with more than one widget.

The attached CustomPositionedWidget is responsible of disposing this controller.

Inheritance

Constructors

CustomPositionedWidgetController({OffsetBuilder? offsetBuilder, EdgeInsets? padding, bool? canGoOffParentBounds}): factory

canGoOffParentBounds ↔ bool: The flag that allows or disallows the child of the CustomPositionedWidget to go off its bounds. Defaults to true, i.e. the child can go off parent bounds.
getter/setter pair
hashCode → int: The hash code for this object.
no setterinherited
hasListeners → bool: Whether any listeners are currently registered.
no setterinherited
offsetBuilder ↔ OffsetBuilder: The offset builder of this controller. It determines the position of the child of the associated CustomPositionedWidget given the size of that child.
getter/setter pair
padding ↔ EdgeInsets: The padding of the child of the associated CustomPositionedWidget.
getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

addListener(VoidCallback listener) → void: Register a closure to be called when the object changes.
inherited
dispose() → void: Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void: Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void: Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toString() → String: A string representation of this object.
inherited