TextEditingValue class Null safety

The current text, selection, and composing state for editing a run of text.

Annotations
  • @immutable

Constructors

TextEditingValue({String text: '', TextSelection selection: const TextSelection.collapsed(offset: -1), TextRange composing: TextRange.empty})
Creates information for editing a run of text. [...]
const
TextEditingValue.fromJSON(Map<String, dynamic> encoded)
Creates an instance of this class from a JSON object.
factory

Properties

composing TextRange
The range of text that is still being composed.
final
hashCode int
The hash code for this object. [...]
read-only, override
isComposingRangeValid bool
Whether the composing range is a valid range within text. [...]
read-only
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
selection TextSelection
The range of text that is currently selected.
final
text String
The current text being edited.
final

Methods

copyWith({String? text, TextSelection? selection, TextRange? composing}) TextEditingValue
Creates a copy of this value but with the given fields replaced with the new values.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toJSON() Map<String, dynamic>
Returns a representation of this object as a JSON object.
toString() String
Returns a string representation of this object.
override

Operators

operator ==(Object other) bool
The equality operator. [...]
override

Constants

empty → const TextEditingValue
A value that corresponds to the empty string with no selection and no composing range.