SelectionContainerDelegate class Null safety

This delegate needs to implement SelectionRegistrar to register Selectables in the SelectionContainer subtree.

Implemented types

Implementers

Constructors

containerSize → Size: Gets the size of the SelectionContainer of this delegate.
read-only
hashCode → int: The hash code for this object.
read-onlyinherited
runtimeType → Type: A representation of the runtime type of the object.
read-onlyinherited
value → SelectionGeometry: The current value of the object. When the value changes, the callbacks registered with addListener will be invoked.
read-onlyinherited

add(Selectable selectable) → void: Adds the selectable into the registrar.
inherited
addListener(VoidCallback listener) → void: Register a closure to be called when the object notifies its listeners.
inherited
dispatchSelectionEvent(SelectionEvent event) → SelectionResult: Handles the SelectionEvent sent to this object.
inherited
getSelectedContent() → SelectedContent?: Gets the selected content in this object.
inherited
getTransformFrom(Selectable child) → Matrix4: Gets the paint transform from the Selectable child to SelectionContainer of this delegate.
getTransformTo(RenderObject? ancestor) → Matrix4: Gets the paint transform from the SelectionContainer of this delegate to the ancestor.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a non-existent method or property is accessed.
inherited
pushHandleLayers(LayerLink? startHandle, LayerLink? endHandle) → void: Marks this handler to be responsible for pushing LeaderLayers for the selection handles.
inherited
remove(Selectable selectable) → void: Removes the selectable from the registrar.
inherited
removeListener(VoidCallback listener) → void: Remove a previously registered closure from the list of closures that the object notifies.
inherited
toString() → String: A string representation of this object.
inherited