TextEditingDelta class Null safety

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

See also:

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.
read-only, inherited
oldText String
The old text state before the delta has occurred.
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
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.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

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