SelectionRegistrant mixin Null safety
A mixin to auto-register the mixer to the registrar.
To use this mixin, the mixer needs to set the registrar to the SelectionRegistrar it wants to register to.
This mixin only registers the mixer with the registrar if the SelectionGeometry.hasContent returned by the mixer is true.
- Superclass Constraints
Properties
- registrar ↔ SelectionRegistrar?
-
The SelectionRegistrar the mixer will be or is registered to.
read / write
- size → Size
-
The size of this Selectable.
read-onlyinherited
- 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
Methods
-
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
-
dispose(
) → void -
Disposes resources held by the mixer.
override
-
getSelectedContent(
) → SelectedContent? -
Gets the selected content in this object.
inherited
-
getTransformTo(
RenderObject? ancestor) → Matrix4 -
Applies the paint transform up the tree to
ancestor.inherited -
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
-
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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited