PositionedDraggable class

A widget that can be positioned by dragging.

Unlike DraggableWidget which reports drag state through callbacks, PositionedDraggable actually moves its child based on drag gestures.

Inheritance

Constructors

PositionedDraggable({Key? key, required Widget child, Offset initialPosition = Offset.zero, void onPositionChanged(Offset position)?, bool enabled = true, DragDirection direction = DragDirection.both, DragConstraints? constraints}): Creates a PositionedDraggable widget.
const

child → Widget: The child widget.
final
constraints → DragConstraints?: Constraints for the drag operation.
final
direction → DragDirection: The direction of allowed drag movement.
final
enabled → bool: Whether drag is enabled.
final
hashCode → int: The hash code for this object.
no setterinherited
initialPosition → Offset: The initial position.
final
key → Key?: Controls how one widget replaces another widget in the tree.
finalinherited
onPositionChanged → void Function(Offset position)?: Called when the position changes.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

createElement() → StatefulElement: Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<PositionedDraggable>: 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, int wrapWidth = 65}) → 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