Editable text sends enableInteractiveSelection to text input client (#100649)

* Editable text sends enableInteractiveSelection to text input client

* addressing comments

packages/flutter/lib/src/services/text_input.dart

@@ -461,6 +461,7 @@ class TextInputConfiguration {
     SmartDashesType? smartDashesType,
     SmartQuotesType? smartQuotesType,
     this.enableSuggestions = true,
+    this.enableInteractiveSelection = true,
     this.actionLabel,
     this.inputAction = TextInputAction.done,
     this.keyboardAppearance = Brightness.light,
@@ -571,6 +572,15 @@ class TextInputConfiguration {
   /// {@endtemplate}
   final bool enableSuggestions;
 
+  /// Whether a user can change its selection.
+  ///
+  /// This flag only affects iOS VoiceOver. On Android Talkback, the selection
+  /// change is sent through semantics actions and is directly disabled from
+  /// the widget side.
+  ///
+  /// Defaults to true. Cannot be null.
+  final bool enableInteractiveSelection;
+
   /// What text to display in the text input control's action button.
   final String? actionLabel;
 
@@ -618,6 +628,7 @@ class TextInputConfiguration {
     SmartDashesType? smartDashesType,
     SmartQuotesType? smartQuotesType,
     bool? enableSuggestions,
+    bool? enableInteractiveSelection,
     String? actionLabel,
     TextInputAction? inputAction,
     Brightness? keyboardAppearance,
@@ -634,6 +645,7 @@ class TextInputConfiguration {
       smartDashesType: smartDashesType ?? this.smartDashesType,
       smartQuotesType: smartQuotesType ?? this.smartQuotesType,
       enableSuggestions: enableSuggestions ?? this.enableSuggestions,
+      enableInteractiveSelection: enableInteractiveSelection ?? this.enableInteractiveSelection,
       inputAction: inputAction ?? this.inputAction,
       textCapitalization: textCapitalization ?? this.textCapitalization,
       keyboardAppearance: keyboardAppearance ?? this.keyboardAppearance,
@@ -679,6 +691,7 @@ class TextInputConfiguration {
       'smartDashesType': smartDashesType.index.toString(),
       'smartQuotesType': smartQuotesType.index.toString(),
       'enableSuggestions': enableSuggestions,
+      'enableInteractiveSelection': enableInteractiveSelection,
       'actionLabel': actionLabel,
       'inputAction': inputAction.toString(),
       'textCapitalization': textCapitalization.toString(),

packages/flutter/lib/src/widgets/editable_text.dart

@@ -1387,6 +1387,8 @@ class EditableText extends StatefulWidget {
   /// {@macro flutter.services.TextInputConfiguration.enableIMEPersonalizedLearning}
   final bool enableIMEPersonalizedLearning;
 
+  bool get _userSelectionEnabled => enableInteractiveSelection && (!readOnly || !obscureText);
+
   // Infer the keyboard type of an `EditableText` if it's not specified.
   static TextInputType _inferKeyboardType({
     required Iterable<String>? autofillHints,
@@ -3021,6 +3023,7 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
       smartDashesType: widget.smartDashesType,
       smartQuotesType: widget.smartQuotesType,
       enableSuggestions: widget.enableSuggestions,
+      enableInteractiveSelection: widget._userSelectionEnabled,
       inputAction: widget.textInputAction ?? (widget.keyboardType == TextInputType.multiline
         ? TextInputAction.newline
         : TextInputAction.done
@@ -3327,7 +3330,7 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
                         selectionHeightStyle: widget.selectionHeightStyle,
                         selectionWidthStyle: widget.selectionWidthStyle,
                         paintCursorAboveText: widget.paintCursorAboveText,
-                        enableInteractiveSelection: widget.enableInteractiveSelection && (!widget.readOnly || !widget.obscureText),
+                        enableInteractiveSelection: widget._userSelectionEnabled,
                         textSelectionDelegate: this,
                         devicePixelRatio: _devicePixelRatio,
                         promptRectRange: _currentPromptRectRange,

packages/flutter/test/widgets/editable_text_test.dart

@@ -569,6 +569,58 @@ void main() {
     expect(tester.testTextInput.setClientArgs!['inputAction'], equals('TextInputAction.newline'));
   });
 
+  testWidgets('EditableText sends enableInteractiveSelection to config', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      MediaQuery(
+        data: const MediaQueryData(),
+        child: Directionality(
+          textDirection: TextDirection.ltr,
+          child: FocusScope(
+            node: focusScopeNode,
+            autofocus: true,
+            child: EditableText(
+              enableInteractiveSelection: true,
+              controller: controller,
+              backgroundCursorColor: Colors.grey,
+              focusNode: focusNode,
+              keyboardType: TextInputType.multiline,
+              style: textStyle,
+              cursorColor: cursorColor,
+            ),
+          ),
+        ),
+      ),
+    );
+
+    EditableTextState state = tester.state<EditableTextState>(find.byType(EditableText));
+    expect(state.textInputConfiguration.enableInteractiveSelection, isTrue);
+
+    await tester.pumpWidget(
+      MediaQuery(
+        data: const MediaQueryData(),
+        child: Directionality(
+          textDirection: TextDirection.ltr,
+          child: FocusScope(
+            node: focusScopeNode,
+            autofocus: true,
+            child: EditableText(
+              enableInteractiveSelection: false,
+              controller: controller,
+              backgroundCursorColor: Colors.grey,
+              focusNode: focusNode,
+              keyboardType: TextInputType.multiline,
+              style: textStyle,
+              cursorColor: cursorColor,
+            ),
+          ),
+        ),
+      ),
+    );
+
+    state = tester.state<EditableTextState>(find.byType(EditableText));
+    expect(state.textInputConfiguration.enableInteractiveSelection, isFalse);
+  });
+
   testWidgets('selection persists when unfocused', (WidgetTester tester) async {
     const TextEditingValue value = TextEditingValue(
       text: 'test test',