InteractiveViewerBoundary class

Builds an InteractiveViewer and provides callbacks that are called when a horizontal boundary has been hit.

The callbacks are called when an interaction ends by listening to the InteractiveViewer.onInteractionEnd callback.

Inheritance

Constructors

InteractiveViewerBoundary({required Widget child, required double boundaryWidth, TransformationController? controller, ScaleChanged? onScaleChanged, VoidCallback? onLeftBoundaryHit, VoidCallback? onRightBoundaryHit, VoidCallback? onNoBoundaryHit, double? maxScale, double? minScale})
const

Properties

boundaryWidth → double
The max width this widget can have.
final
child → Widget
final
controller → TransformationController?
The TransformationController for the InteractiveViewer.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
maxScale → double?
final
minScale → double?
final
onLeftBoundaryHit → VoidCallback?
Called when the left boundary has been hit after an interaction ended.
final
onNoBoundaryHit → VoidCallback?
Called when no boundary has been hit after an interaction ended.
final
onRightBoundaryHit → VoidCallback?
Called when the right boundary has been hit after an interaction ended.
final
onScaleChanged → ScaleChanged?
Called when the scale changed after an interaction ended.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → InteractiveViewerBoundaryState
Creates the mutable state for this widget at a given location in the tree.
override
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.
inherited
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