Remove deprecated RenderEditable.onSelectionChanged (#98582)

packages/flutter/lib/src/rendering/editable.dart

@@ -30,17 +30,6 @@ const EdgeInsets _kFloatingCaretSizeIncrease = EdgeInsets.symmetric(horizontal:
 // The corner radius of the floating cursor in pixels.
 const Radius _kFloatingCaretRadius = Radius.circular(1.0);
 
-/// Signature for the callback that reports when the user changes the selection
-/// (including the cursor location).
-///
-/// Used by [RenderEditable.onSelectionChanged].
-@Deprecated(
-  'Signature of a deprecated class method, '
-  'textSelectionDelegate.userUpdateTextEditingValue. '
-  'This feature was deprecated after v1.26.0-17.2.pre.',
-)
-typedef SelectionChangedHandler = void Function(TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause);
-
 /// Signature for the callback that reports when the caret location changes.
 ///
 /// Used by [RenderEditable.onCaretChanged].
@@ -265,11 +254,6 @@ class RenderEditable extends RenderBox with RelayoutWhenSystemFontsChangeMixin,
     double textScaleFactor = 1.0,
     TextSelection? selection,
     required ViewportOffset offset,
-    @Deprecated(
-      'Uses the textSelectionDelegate.userUpdateTextEditingValue instead. '
-      'This feature was deprecated after v1.26.0-17.2.pre.',
-    )
-    this.onSelectionChanged,
     this.onCaretChanged,
     this.ignorePointer = false,
     bool readOnly = false,
@@ -501,14 +485,6 @@ class RenderEditable extends RenderBox with RelayoutWhenSystemFontsChangeMixin,
       ],
     );
   }
-  /// Called when the selection changes.
-  ///
-  /// If this is null, then selection changes will be ignored.
-  @Deprecated(
-    'Uses the textSelectionDelegate.userUpdateTextEditingValue instead. '
-    'This feature was deprecated after v1.26.0-17.2.pre.',
-  )
-  SelectionChangedHandler? onSelectionChanged;
 
   double? _textLayoutLastMaxWidth;
   double? _textLayoutLastMinWidth;
@@ -731,7 +707,6 @@ class RenderEditable extends RenderBox with RelayoutWhenSystemFontsChangeMixin,
   }
 
   void _setTextEditingValue(TextEditingValue newValue, SelectionChangedCause cause) {
-    textSelectionDelegate.textEditingValue = newValue;
     textSelectionDelegate.userUpdateTextEditingValue(newValue, cause);
   }
 
@@ -751,28 +726,12 @@ class RenderEditable extends RenderBox with RelayoutWhenSystemFontsChangeMixin,
         extentOffset: math.min(nextSelection.extentOffset, textLength),
       );
     }
-    _handleSelectionChange(nextSelection, cause);
     _setTextEditingValue(
       textSelectionDelegate.textEditingValue.copyWith(selection: nextSelection),
       cause,
     );
   }
 
-  void _handleSelectionChange(
-    TextSelection nextSelection,
-    SelectionChangedCause cause,
-  ) {
-    // Changes made by the keyboard can sometimes be "out of band" for listening
-    // components, so always send those events, even if we didn't think it
-    // changed. Also, focusing an empty field is sent as a selection change even
-    // if the selection offset didn't change.
-    final bool focusingEmpty = nextSelection.baseOffset == 0 && nextSelection.extentOffset == 0 && !hasFocus;
-    if (nextSelection == selection && cause != SelectionChangedCause.keyboard && !focusingEmpty) {
-      return;
-    }
-    onSelectionChanged?.call(nextSelection, this, cause);
-  }
-
   @override
   void markNeedsPaint() {
     super.markNeedsPaint();

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

@@ -965,17 +965,6 @@ mixin TextSelectionDelegate {
   /// Gets the current text input.
   TextEditingValue get textEditingValue;
 
-  /// Indicates that the user has requested the delegate to replace its current
-  /// text editing state with [value].
-  ///
-  /// The new [value] is treated as user input and thus may subject to input
-  /// formatting.
-  @Deprecated(
-    'Use the userUpdateTextEditingValue instead. '
-    'This feature was deprecated after v1.26.0-17.2.pre.',
-  )
-  set textEditingValue(TextEditingValue value) {}
-
   /// Indicates that the user has requested the delegate to replace its current
   /// text editing state with [value].
   ///

packages/flutter/test/rendering/editable_gesture_test.dart

@@ -32,7 +32,6 @@ void main() {
         extentOffset: 3,
         affinity: TextAffinity.upstream,
       ),
-      onSelectionChanged: (_, __, ___) { },
     );
     editable.layout(BoxConstraints.loose(const Size(1000.0, 1000.0)));
 

packages/flutter/test/rendering/editable_test.dart

@@ -27,11 +27,15 @@ class _FakeEditableTextState with TextSelectionDelegate {
   @override
   TextEditingValue textEditingValue = TextEditingValue.empty;
 
+  TextSelection? selection;
+
   @override
   void hideToolbar([bool hideHandles = true]) { }
 
   @override
-  void userUpdateTextEditingValue(TextEditingValue value, SelectionChangedCause cause) { }
+  void userUpdateTextEditingValue(TextEditingValue value, SelectionChangedCause cause) {
+    selection = value.selection;
+  }
 
   @override
   void bringIntoView(TextPosition position) { }
@@ -471,10 +475,9 @@ void main() {
 
   test('selects correct place with offsets', () {
     const String text = 'test\ntest';
-    final TextSelectionDelegate delegate = _FakeEditableTextState()
+    final _FakeEditableTextState delegate = _FakeEditableTextState()
       ..textEditingValue = const TextEditingValue(text: text);
     final ViewportOffset viewportOffset = ViewportOffset.zero();
-    late TextSelection currentSelection;
     final RenderEditable editable = RenderEditable(
       backgroundCursorColor: Colors.grey,
       selectionColor: Colors.black,
@@ -484,9 +487,6 @@ void main() {
       // This makes the scroll axis vertical.
       maxLines: 2,
       textSelectionDelegate: delegate,
-      onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {
-        currentSelection = selection;
-      },
       startHandleLayerLink: LayerLink(),
       endHandleLayerLink: LayerLink(),
       text: const TextSpan(
@@ -509,9 +509,8 @@ void main() {
 
     editable.selectPositionAt(from: const Offset(0, 2), cause: SelectionChangedCause.tap);
     pumpFrame();
-
+    expect(delegate.selection!.isCollapsed, true);
-    expect(currentSelection.isCollapsed, true);
+    expect(delegate.selection!.baseOffset, 0);
-    expect(currentSelection.baseOffset, 0);
 
     viewportOffset.correctBy(10);
 
@@ -527,8 +526,8 @@ void main() {
     editable.selectPositionAt(from: const Offset(0, 2), cause: SelectionChangedCause.tap);
     pumpFrame();
 
-    expect(currentSelection.isCollapsed, true);
+    expect(delegate.selection!.isCollapsed, true);
-    expect(currentSelection.baseOffset, 5);
+    expect(delegate.selection!.baseOffset, 5);
 
     // Test the other selection methods.
     // Move over by one character.
@@ -536,24 +535,24 @@ void main() {
     pumpFrame();
     editable.selectPosition(cause:SelectionChangedCause.tap);
     pumpFrame();
-    expect(currentSelection.isCollapsed, true);
+    expect(delegate.selection!.isCollapsed, true);
-    expect(currentSelection.baseOffset, 6);
+    expect(delegate.selection!.baseOffset, 6);
 
     editable.handleTapDown(TapDownDetails(globalPosition: const Offset(20, 2)));
     pumpFrame();
     editable.selectWord(cause:SelectionChangedCause.longPress);
     pumpFrame();
-    expect(currentSelection.isCollapsed, false);
+    expect(delegate.selection!.isCollapsed, false);
-    expect(currentSelection.baseOffset, 5);
+    expect(delegate.selection!.baseOffset, 5);
-    expect(currentSelection.extentOffset, 9);
+    expect(delegate.selection!.extentOffset, 9);
 
     // Select one more character down but since it's still part of the same
     // word, the same word is selected.
     editable.selectWordsInRange(from: const Offset(30, 2), cause:SelectionChangedCause.longPress);
     pumpFrame();
-    expect(currentSelection.isCollapsed, false);
+    expect(delegate.selection!.isCollapsed, false);
-    expect(currentSelection.baseOffset, 5);
+    expect(delegate.selection!.baseOffset, 5);
-    expect(currentSelection.extentOffset, 9);
+    expect(delegate.selection!.extentOffset, 9);
   });
 
   test('selects readonly renderEditable matches native behavior for android', () {
@@ -561,10 +560,9 @@ void main() {
     final TargetPlatform? previousPlatform = debugDefaultTargetPlatformOverride;
     debugDefaultTargetPlatformOverride = TargetPlatform.android;
     const String text = '  test';
-    final TextSelectionDelegate delegate = _FakeEditableTextState()
+    final _FakeEditableTextState delegate = _FakeEditableTextState()
       ..textEditingValue = const TextEditingValue(text: text);
     final ViewportOffset viewportOffset = ViewportOffset.zero();
-    late TextSelection currentSelection;
     final RenderEditable editable = RenderEditable(
       backgroundCursorColor: Colors.grey,
       selectionColor: Colors.black,
@@ -573,9 +571,6 @@ void main() {
       readOnly: true,
       offset: viewportOffset,
       textSelectionDelegate: delegate,
-      onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {
-        currentSelection = selection;
-      },
       startHandleLayerLink: LayerLink(),
       endHandleLayerLink: LayerLink(),
       text: const TextSpan(
@@ -594,9 +589,9 @@ void main() {
     // Select the second white space, where the text position = 1.
     editable.selectWordsInRange(from: const Offset(10, 2), cause:SelectionChangedCause.longPress);
     pumpFrame();
-    expect(currentSelection.isCollapsed, false);
+    expect(delegate.selection!.isCollapsed, false);
-    expect(currentSelection.baseOffset, 1);
+    expect(delegate.selection!.baseOffset, 1);
-    expect(currentSelection.extentOffset, 2);
+    expect(delegate.selection!.extentOffset, 2);
     debugDefaultTargetPlatformOverride = previousPlatform;
   });
 
@@ -605,10 +600,9 @@ void main() {
     final TargetPlatform? previousPlatform = debugDefaultTargetPlatformOverride;
     debugDefaultTargetPlatformOverride = TargetPlatform.iOS;
     const String text = '  test';
-    final TextSelectionDelegate delegate = _FakeEditableTextState()
+    final _FakeEditableTextState delegate = _FakeEditableTextState()
       ..textEditingValue = const TextEditingValue(text: text);
     final ViewportOffset viewportOffset = ViewportOffset.zero();
-    late TextSelection currentSelection;
     final RenderEditable editable = RenderEditable(
       backgroundCursorColor: Colors.grey,
       selectionColor: Colors.black,
@@ -616,9 +610,6 @@ void main() {
       cursorColor: Colors.red,
       offset: viewportOffset,
       textSelectionDelegate: delegate,
-      onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {
-        currentSelection = selection;
-      },
       startHandleLayerLink: LayerLink(),
       endHandleLayerLink: LayerLink(),
       text: const TextSpan(
@@ -637,9 +628,9 @@ void main() {
     // Select the second white space, where the text position = 1.
     editable.selectWordsInRange(from: const Offset(10, 2), cause:SelectionChangedCause.longPress);
     pumpFrame();
-    expect(currentSelection.isCollapsed, false);
+    expect(delegate.selection!.isCollapsed, false);
-    expect(currentSelection.baseOffset, 1);
+    expect(delegate.selection!.baseOffset, 1);
-    expect(currentSelection.extentOffset, 6);
+    expect(delegate.selection!.extentOffset, 6);
     debugDefaultTargetPlatformOverride = previousPlatform;
   });
 
@@ -648,10 +639,9 @@ void main() {
     final TargetPlatform? previousPlatform = debugDefaultTargetPlatformOverride;
     debugDefaultTargetPlatformOverride = TargetPlatform.iOS;
     const String text = '   ';
-    final TextSelectionDelegate delegate = _FakeEditableTextState()
+    final _FakeEditableTextState delegate = _FakeEditableTextState()
       ..textEditingValue = const TextEditingValue(text: text);
     final ViewportOffset viewportOffset = ViewportOffset.zero();
-    late TextSelection currentSelection;
     final RenderEditable editable = RenderEditable(
       backgroundCursorColor: Colors.grey,
       selectionColor: Colors.black,
@@ -659,9 +649,6 @@ void main() {
       cursorColor: Colors.red,
       offset: viewportOffset,
       textSelectionDelegate: delegate,
-      onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {
-        currentSelection = selection;
-      },
       startHandleLayerLink: LayerLink(),
       endHandleLayerLink: LayerLink(),
       text: const TextSpan(
@@ -680,18 +667,17 @@ void main() {
     // Select the second white space, where the text position = 1.
     editable.selectWordsInRange(from: const Offset(10, 2), cause:SelectionChangedCause.longPress);
     pumpFrame();
-    expect(currentSelection.isCollapsed, true);
+    expect(delegate.selection!.isCollapsed, true);
-    expect(currentSelection.baseOffset, 1);
+    expect(delegate.selection!.baseOffset, 1);
-    expect(currentSelection.extentOffset, 1);
+    expect(delegate.selection!.extentOffset, 1);
     debugDefaultTargetPlatformOverride = previousPlatform;
   });
 
   test('selects correct place when offsets are flipped', () {
     const String text = 'abc def ghi';
-    final TextSelectionDelegate delegate = _FakeEditableTextState()
+    final _FakeEditableTextState delegate = _FakeEditableTextState()
       ..textEditingValue = const TextEditingValue(text: text);
     final ViewportOffset viewportOffset = ViewportOffset.zero();
-    late TextSelection currentSelection;
     final RenderEditable editable = RenderEditable(
       backgroundCursorColor: Colors.grey,
       selectionColor: Colors.black,
@@ -699,9 +685,6 @@ void main() {
       cursorColor: Colors.red,
       offset: viewportOffset,
       textSelectionDelegate: delegate,
-      onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {
-        currentSelection = selection;
-      },
       text: const TextSpan(
         text: text,
         style: TextStyle(
@@ -716,71 +699,9 @@ void main() {
 
     editable.selectPositionAt(from: const Offset(30, 2), to: const Offset(10, 2), cause: SelectionChangedCause.drag);
     pumpFrame();
-
+    expect(delegate.selection!.isCollapsed, isFalse);
-    expect(currentSelection.isCollapsed, isFalse);
+    expect(delegate.selection!.baseOffset, 3);
-    expect(currentSelection.baseOffset, 3);
+    expect(delegate.selection!.extentOffset, 1);
-    expect(currentSelection.extentOffset, 1);
-  });
-
-  test('selection does not flicker as user is dragging', () {
-    int selectionChangedCount = 0;
-    TextSelection? updatedSelection;
-    const String text = 'abc def ghi';
-    final TextSelectionDelegate delegate = _FakeEditableTextState()
-      ..textEditingValue = const TextEditingValue(text: text);
-    const TextSpan span = TextSpan(
-      text: text,
-      style: TextStyle(
-        height: 1.0, fontSize: 10.0, fontFamily: 'Ahem',
-      ),
-    );
-
-    final RenderEditable editable1 = RenderEditable(
-      textSelectionDelegate: delegate,
-      textDirection: TextDirection.ltr,
-      offset: ViewportOffset.zero(),
-      selection: const TextSelection(baseOffset: 3, extentOffset: 4),
-      onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {
-        selectionChangedCount++;
-        updatedSelection = selection;
-      },
-      startHandleLayerLink: LayerLink(),
-      endHandleLayerLink: LayerLink(),
-      text: span,
-    );
-
-    layout(editable1);
-
-    // Shouldn't cause a selection change.
-    editable1.selectPositionAt(from: const Offset(30, 2), to: const Offset(42, 2), cause: SelectionChangedCause.drag);
-    pumpFrame();
-
-    expect(updatedSelection, isNull);
-    expect(selectionChangedCount, 0);
-
-    final RenderEditable editable2 = RenderEditable(
-      textSelectionDelegate: delegate,
-      textDirection: TextDirection.ltr,
-      offset: ViewportOffset.zero(),
-      selection: const TextSelection(baseOffset: 3, extentOffset: 4),
-      onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {
-        selectionChangedCount++;
-        updatedSelection = selection;
-      },
-      text: span,
-      startHandleLayerLink: LayerLink(),
-      endHandleLayerLink: LayerLink(),
-    );
-
-    layout(editable2);
-
-    // Now this should cause a selection change.
-    editable2.selectPositionAt(from: const Offset(30, 2), to: const Offset(48, 2), cause: SelectionChangedCause.drag);
-    pumpFrame();
-
-    expect(updatedSelection!.baseOffset, 3);
-    expect(updatedSelection!.extentOffset, 5);
-    expect(selectionChangedCount, 1);
   });
 
   test('promptRect disappears when promptRectColor is set to null', () {
@@ -1318,7 +1239,6 @@ void main() {
         cursorColor: Colors.red,
         offset: viewportOffset,
         textSelectionDelegate: delegate,
-        onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {},
         startHandleLayerLink: LayerLink(),
         endHandleLayerLink: LayerLink(),
         text: TextSpan(
@@ -1361,7 +1281,6 @@ void main() {
         cursorColor: Colors.red,
         offset: viewportOffset,
         textSelectionDelegate: delegate,
-        onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {},
         startHandleLayerLink: LayerLink(),
         endHandleLayerLink: LayerLink(),
         text: TextSpan(
@@ -1406,7 +1325,6 @@ void main() {
         cursorColor: Colors.red,
         offset: viewportOffset,
         textSelectionDelegate: delegate,
-        onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {},
         startHandleLayerLink: LayerLink(),
         endHandleLayerLink: LayerLink(),
         text: const TextSpan(
@@ -1457,7 +1375,6 @@ void main() {
         cursorColor: Colors.red,
         offset: viewportOffset,
         textSelectionDelegate: delegate,
-        onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {},
         startHandleLayerLink: LayerLink(),
         endHandleLayerLink: LayerLink(),
         text: const TextSpan(
@@ -1515,7 +1432,6 @@ void main() {
         cursorColor: Colors.red,
         offset: viewportOffset,
         textSelectionDelegate: delegate,
-        onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {},
         startHandleLayerLink: LayerLink(),
         endHandleLayerLink: LayerLink(),
         text: const TextSpan(
@@ -1574,7 +1490,6 @@ void main() {
         cursorColor: Colors.red,
         offset: viewportOffset,
         textSelectionDelegate: delegate,
-        onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) {},
         startHandleLayerLink: LayerLink(),
         endHandleLayerLink: LayerLink(),
         text: const TextSpan(