Scene class

Defines a coordinate system to position SceneElements on and a scope in which child Windows can find the SceneElements to present.

The origin of the scene coordinate system is aligned with the top left corner of the Scene widget. The size of a Scene is determined by it's child.

See also:

Inheritance

Constructors

Scene({Key? key, required List<SceneElement> elements, Widget? layout, required Widget child})
Creates a new Scene, which defines a coordinate system to position SceneElements on and a scope in which child Windows can find the SceneElements to present.
const

Properties

child Widget
The Widget tree which contains the Windows which display this Scene's elements.
final
elements List<SceneElement>
The SceneElements of this scene.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
layout Widget?
The Widget tree which positions the Scene's LayedOutSceneElements.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
override
createElement() StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object.
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited

Static Methods

of(BuildContext context) Scene
Returns the nearest Scene above the given context.