TextEditingDelta class abstract

A structure representing a granular change that has occurred to the editing state as a result of text editing.

See also:

Mixed in types
Implementers

Constructors

TextEditingDelta({required String oldText, required TextSelection selection, required TextRange composing})
Creates a delta for a given change to the editing state.
const
TextEditingDelta.fromJSON(Map<String, dynamic> encoded)
Creates an instance of this class from a JSON object by inferring the type of delta based on values sent from the engine.
factory

Properties

composing TextRange
The range of text that is still being composed after the delta has been applied.
final
hashCode int
The hash code for this object.
no setterinherited
oldText String
The old text state before the delta has occurred.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
selection TextSelection
The range of text that is currently selected after the delta has been applied.
final

Methods

apply(TextEditingValue value) TextEditingValue
This method will take the given TextEditingValue and return a new TextEditingValue with that instance of TextEditingDelta applied to it.
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
toStringShort() String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

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