Code cleanup and mirgrate to dart 3 as minimum

lib/src/models/config/others/animations.dart

@@ -1,10 +1,8 @@
 import 'package:equatable/equatable.dart';
-import 'package:flutter/foundation.dart' show immutable;
+import 'package:meta/meta.dart' show experimental, immutable;
-
-import '../../../utils/experimental.dart';
 
 @immutable
-@Experimental('This class might removed')
+@experimental
 class QuillAnimationConfigurations extends Equatable {
   const QuillAnimationConfigurations({
     required this.checkBoxPointItem,

lib/src/models/documents/nodes/block.dart

@@ -13,7 +13,7 @@ import 'node.dart';
 /// - Text Alignment
 /// - Text Direction
 /// - Code Block
-class Block extends Container<Line?> {
+base class Block extends Container<Line?> {
   /// Creates new unmounted [Block].
   @override
   Node newInstance() => Block();

lib/src/models/documents/nodes/container.dart

@@ -14,7 +14,7 @@ import 'node.dart';
 ///
 /// Most of the operation handling logic is implemented by [Line]
 /// and [QuillText].
-abstract class Container<T extends Node?> extends Node {
+abstract base class Container<T extends Node?> extends Node {
   final LinkedList<Node> _children = LinkedList<Node>();
 
   /// List of children.

lib/src/models/documents/nodes/leaf.dart

@@ -8,7 +8,7 @@ import 'line.dart';
 import 'node.dart';
 
 /// A leaf in Quill document tree.
-abstract class Leaf extends Node {
+abstract base class Leaf extends Node {
   /// Creates a new [Leaf] with specified [data].
   factory Leaf(Object data) {
     if (data is Embeddable) {
@@ -216,7 +216,7 @@ abstract class Leaf extends Node {
 /// The reason we are renamed quill Text to [QuillText] so it doesn't
 /// conflict with the one from the widgets, material or cupertino library
 ///
-class QuillText extends Leaf {
+base class QuillText extends Leaf {
   QuillText([String text = ''])
       : assert(!text.contains('\n')),
         super.val(text);
@@ -249,7 +249,7 @@ class QuillText extends Leaf {
 /// necessarily mean the embed will look according to that style. For instance,
 /// applying "bold" style to an image gives no effect, while adding a "link" to
 /// an image actually makes the image react to user's action.
-class Embed extends Leaf {
+base class Embed extends Leaf {
   Embed(Embeddable data) : super.val(data);
 
   // Refer to https://www.fileformat.info/info/unicode/char/fffc/index.htm

lib/src/models/documents/nodes/line.dart

@@ -19,7 +19,7 @@ import 'node.dart';
 ///
 /// When a line contains an embed, it fully occupies the line, no other embeds
 /// or text nodes are allowed.
-class Line extends Container<Leaf?> {
+base class Line extends Container<Leaf?> {
   @override
   Leaf get defaultChild => QuillText();
 

lib/src/models/documents/nodes/node.dart

@@ -17,7 +17,7 @@ import 'line.dart';
 ///
 /// The current parent node is exposed by the [parent] property. A node is
 /// considered [mounted] when the [parent] property is not `null`.
-abstract class Node extends LinkedListEntry<Node> {
+abstract base class Node extends LinkedListEntry<Node> {
   /// Current parent of this node. May be null if this node is not mounted.
   Container? parent;
 
@@ -127,7 +127,7 @@ abstract class Node extends LinkedListEntry<Node> {
 }
 
 /// Root node of document tree.
-class Root extends Container<Container<Node?>> {
+base class Root extends Container<Container<Node?>> {
   @override
   Node newInstance() => Root();
 

lib/src/test/widget_tester_extension.dart

@@ -12,9 +12,9 @@ extension QuillEnterText on WidgetTester {
       final editor = state<QuillEditorState>(
         find.descendant(
           of: finder,
-            matching:
+          matching: find.byType(QuillEditor, skipOffstage: finder.skipOffstage),
-                find.byType(QuillEditor, skipOffstage: finder.skipOffstage),
+          matchRoot: true,
-            matchRoot: true),
+        ),
       );
       editor.widget.focusNode.requestFocus();
       await pump();

lib/src/utils/delta.dart

@@ -1,13 +1,20 @@
 import 'dart:math' as math;
 import 'dart:ui';
 
+import 'package:meta/meta.dart' show immutable;
+
 import '../models/documents/attribute.dart';
 import '../models/documents/nodes/node.dart';
 import '../models/quill_delta.dart';
 
 // Diff between two texts - old text and new text
+@immutable
 class Diff {
-  Diff(this.start, this.deleted, this.inserted);
+  const Diff({
+    required this.start,
+    required this.deleted,
+    required this.inserted,
+  });
 
   // Start index in old text at which changes begin.
   final int start;
@@ -37,7 +44,11 @@ Diff getDiff(String oldText, String newText, int cursorPosition) {
       start++) {}
   final deleted = (start >= end) ? '' : oldText.substring(start, end);
   final inserted = newText.substring(start, end + delta);
-  return Diff(start, deleted, inserted);
+  return Diff(
+    start: start,
+    deleted: deleted,
+    inserted: inserted,
+  );
 }
 
 int getPositionDelta(Delta user, Delta actual) {

lib/src/utils/experimental.dart

@@ -1,7 +0,0 @@
-import 'package:flutter/foundation.dart' show immutable;
-
-@immutable
-class Experimental {
-  const Experimental([this.reason = 'Experimental feature']);
-  final String reason;
-}

lib/src/utils/string.dart

@@ -19,20 +19,6 @@ Map<String, String> parseKeyValuePairs(String s, Set<String> targetKeys) {
   return result;
 }
 
-@Deprecated('Use replaceStyleStringWithSize instead')
-String replaceStyleString(
-  String s,
-  double width,
-  double height,
-) {
-  return replaceStyleStringWithSize(
-    s,
-    width: width,
-    height: height,
-    isMobile: true,
-  );
-}
-
 String replaceStyleStringWithSize(
   String s, {
   required double width,

lib/src/widgets/controller.dart

@@ -333,18 +333,23 @@ class QuillController extends ChangeNotifier {
 
   void moveCursorToStart() {
     updateSelection(
-        const TextSelection.collapsed(offset: 0), ChangeSource.LOCAL);
+      const TextSelection.collapsed(offset: 0),
+      ChangeSource.LOCAL,
+    );
   }
 
   void moveCursorToPosition(int position) {
     updateSelection(
-        TextSelection.collapsed(offset: position), ChangeSource.LOCAL);
+      TextSelection.collapsed(offset: position),
+      ChangeSource.LOCAL,
+    );
   }
 
   void moveCursorToEnd() {
     updateSelection(
       TextSelection.collapsed(offset: plainTextEditingValue.text.length),
-        ChangeSource.LOCAL);
+      ChangeSource.LOCAL,
+    );
   }
 
   void updateSelection(TextSelection textSelection, ChangeSource source) {
@@ -359,8 +364,11 @@ class QuillController extends ChangeNotifier {
 
     textSelection = selection.copyWith(
       baseOffset: delta.transformPosition(selection.baseOffset, force: false),
-        extentOffset:
+      extentOffset: delta.transformPosition(
-            delta.transformPosition(selection.extentOffset, force: false));
+        selection.extentOffset,
+        force: false,
+      ),
+    );
     if (selection != textSelection) {
       _updateSelection(textSelection, source);
     }

lib/src/widgets/cursor.dart

@@ -257,7 +257,11 @@ class CursorPainter {
   /// [offset] is global top left (x, y) of text line
   /// [position] is relative (x) in text line
   void paint(
-      Canvas canvas, Offset offset, TextPosition position, bool lineHasEmbed) {
+    Canvas canvas,
+    Offset offset,
+    TextPosition position,
+    bool lineHasEmbed,
+  ) {
     // relative (x, y) to global offset
     var relativeCaretOffset = editable!.getOffsetForCaret(position, prototype);
     if (lineHasEmbed && relativeCaretOffset == Offset.zero) {

lib/src/widgets/default_styles.dart

@@ -249,13 +249,21 @@ class DefaultStyles {
           ),
           const VerticalSpacing(8, 0),
           const VerticalSpacing(0, 0),
-            null),
+          null,
+        ),
         paragraph: DefaultTextBlockStyle(baseStyle, const VerticalSpacing(0, 0),
             const VerticalSpacing(0, 0), null),
         bold: const TextStyle(fontWeight: FontWeight.bold),
-        subscript: const TextStyle(fontFeatures: [FontFeature.subscripts()]),
+        subscript: const TextStyle(
-        superscript:
+          fontFeatures: [
-            const TextStyle(fontFeatures: [FontFeature.superscripts()]),
+            FontFeature.subscripts(),
+          ],
+        ),
+        superscript: const TextStyle(
+          fontFeatures: [
+            FontFeature.superscripts(),
+          ],
+        ),
         italic: const TextStyle(fontStyle: FontStyle.italic),
         small: const TextStyle(fontSize: 12),
         underline: const TextStyle(decoration: TextDecoration.underline),
@@ -288,7 +296,12 @@ class DefaultStyles {
             const VerticalSpacing(0, 0),
             null),
         lists: DefaultListBlockStyle(
-            baseStyle, baseSpacing, const VerticalSpacing(0, 6), null, null),
+          baseStyle,
+          baseSpacing,
+          const VerticalSpacing(0, 6),
+          null,
+          null,
+        ),
         quote: DefaultTextBlockStyle(
           TextStyle(color: baseStyle.color!.withOpacity(0.6)),
           baseSpacing,
@@ -297,7 +310,8 @@ class DefaultStyles {
             border: Border(
               left: BorderSide(width: 4, color: Colors.grey.shade300),
             ),
-            )),
+          ),
+        ),
         code: DefaultTextBlockStyle(
             TextStyle(
               color: Colors.blue.shade900.withOpacity(0.9),
@@ -312,11 +326,23 @@ class DefaultStyles {
               borderRadius: BorderRadius.circular(2),
             )),
         indent: DefaultTextBlockStyle(
-            baseStyle, baseSpacing, const VerticalSpacing(0, 6), null),
+          baseStyle,
-        align: DefaultTextBlockStyle(baseStyle, const VerticalSpacing(0, 0),
+          baseSpacing,
-            const VerticalSpacing(0, 0), null),
+          const VerticalSpacing(0, 6),
-        leading: DefaultTextBlockStyle(baseStyle, const VerticalSpacing(0, 0),
+          null,
-            const VerticalSpacing(0, 0), null),
+        ),
+        align: DefaultTextBlockStyle(
+          baseStyle,
+          const VerticalSpacing(0, 0),
+          const VerticalSpacing(0, 0),
+          null,
+        ),
+        leading: DefaultTextBlockStyle(
+          baseStyle,
+          const VerticalSpacing(0, 0),
+          const VerticalSpacing(0, 0),
+          null,
+        ),
         sizeSmall: const TextStyle(fontSize: 10),
         sizeLarge: const TextStyle(fontSize: 18),
         sizeHuge: const TextStyle(fontSize: 22));
@@ -347,6 +373,7 @@ class DefaultStyles {
       leading: other.leading ?? leading,
       sizeSmall: other.sizeSmall ?? sizeSmall,
       sizeLarge: other.sizeLarge ?? sizeLarge,
-        sizeHuge: other.sizeHuge ?? sizeHuge);
+      sizeHuge: other.sizeHuge ?? sizeHuge,
+    );
   }
 }

lib/src/widgets/delegate.dart

@@ -314,8 +314,10 @@ class EditorTextSelectionGestureDetectorBuilder {
   void onDragSelectionUpdate(
       //DragStartDetails startDetails,
       DragUpdateDetails updateDetails) {
-    renderEditor!.extendSelection(updateDetails.globalPosition,
+    renderEditor!.extendSelection(
-        cause: SelectionChangedCause.drag);
+      updateDetails.globalPosition,
+      cause: SelectionChangedCause.drag,
+    );
   }
 
   /// Handler for [EditorTextSelectionGestureDetector.onDragSelectionEnd].
@@ -341,16 +343,16 @@ class EditorTextSelectionGestureDetectorBuilder {
   /// the handlers provided by this builder.
   ///
   /// The [child] or its subtree should contain [EditableText].
-  Widget build(
+  Widget build({
-      {required HitTestBehavior behavior,
+    required HitTestBehavior behavior,
     required Widget child,
     Key? key,
-      bool detectWordBoundary = true}) {
+    bool detectWordBoundary = true,
+  }) {
     return EditorTextSelectionGestureDetector(
       key: key,
       onTapDown: onTapDown,
-        onForcePressStart:
+      onForcePressStart: delegate.forcePressEnabled ? onForcePressStart : null,
-            delegate.forcePressEnabled ? onForcePressStart : null,
       onForcePressEnd: delegate.forcePressEnabled ? onForcePressEnd : null,
       onSingleTapUp: onSingleTapUp,
       onSingleTapCancel: onSingleTapCancel,
@@ -364,6 +366,7 @@ class EditorTextSelectionGestureDetectorBuilder {
       onDragSelectionEnd: onDragSelectionEnd,
       behavior: behavior,
       detectWordBoundary: detectWordBoundary,
-        child: child);
+      child: child,
+    );
   }
 }

lib/src/widgets/editor/editor.dart

@@ -1,10 +1,5 @@
 import 'dart:math' as math;
 
-// ignore: unnecessary_import
-// import 'dart:typed_data';
-// The project maanged to compiled successfully without the import
-// do we still need this import (dart:typed_data)??
-
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
@@ -1495,7 +1490,7 @@ class RenderEditor extends RenderEditableContainerBox
   }
 }
 
-class QuillVerticalCaretMovementRun extends Iterator<TextPosition> {
+class QuillVerticalCaretMovementRun implements Iterator<TextPosition> {
   QuillVerticalCaretMovementRun._(
     this._editor,
     this._currentTextPosition,

lib/src/widgets/embeds.dart

@@ -32,4 +32,5 @@ typedef EmbedButtonBuilder = Widget Function(
   QuillController controller,
   double toolbarIconSize,
   QuillIconTheme? iconTheme,
-    QuillDialogTheme? dialogTheme);
+  QuillDialogTheme? dialogTheme,
+);

lib/src/widgets/keyboard_listener.dart

@@ -44,8 +44,9 @@ class QuillKeyboardListenerState extends State<QuillKeyboardListener> {
   final QuillPressedKeys _pressedKeys = QuillPressedKeys();
 
   bool _keyEvent(KeyEvent event) {
-    _pressedKeys
+    _pressedKeys._updatePressedKeys(
-        ._updatePressedKeys(HardwareKeyboard.instance.logicalKeysPressed);
+      HardwareKeyboard.instance.logicalKeysPressed,
+    );
     return false;
   }
 

lib/src/widgets/proxy.dart

@@ -6,8 +6,12 @@ import 'package:flutter/widgets.dart';
 import 'box.dart';
 
 class BaselineProxy extends SingleChildRenderObjectWidget {
-  const BaselineProxy({Key? key, Widget? child, this.textStyle, this.padding})
+  const BaselineProxy({
-      : super(key: key, child: child);
+    Key? key,
+    Widget? child,
+    this.textStyle,
+    this.padding,
+  }) : super(key: key, child: child);
 
   final TextStyle? textStyle;
   final EdgeInsets? padding;

lib/src/widgets/quill_single_child_scroll_view.dart

@@ -14,10 +14,10 @@ class QuillSingleChildScrollView extends StatelessWidget {
   const QuillSingleChildScrollView({
     required this.controller,
     required this.viewportBuilder,
-    Key? key,
+    super.key,
     this.physics,
     this.restorationId,
-  }) : super(key: key);
+  });
 
   /// An object that can be used to control the position to which this scroll
   /// view is scrolled.
@@ -48,7 +48,10 @@ class QuillSingleChildScrollView extends StatelessWidget {
 
   AxisDirection _getDirection(BuildContext context) {
     return getAxisDirectionFromAxisReverseAndDirectionality(
-        context, Axis.vertical, false);
+      context,
+      Axis.vertical,
+      false,
+    );
   }
 
   @override

lib/src/widgets/raw_editor/raw_editor.dart

@@ -437,9 +437,6 @@ class RawEditorState extends EditorState
         // in the web browser, but we do unfocus for all other kinds of events.
         switch (event.kind) {
           case ui.PointerDeviceKind.touch:
-            // if (isWeb()) {
-            //   widget.focusNode.unfocus();
-            // }
             break;
           case ui.PointerDeviceKind.mouse:
           case ui.PointerDeviceKind.stylus:
@@ -449,7 +446,7 @@ class RawEditorState extends EditorState
             break;
           case ui.PointerDeviceKind.trackpad:
             throw UnimplementedError(
-              'Unexpected pointer down event for trackpad',
+              'Unexpected pointer down event for trackpad.',
             );
         }
         break;
@@ -461,7 +458,7 @@ class RawEditorState extends EditorState
       default:
         throw UnsupportedError(
           'The platform ${defaultTargetPlatform.name} is not supported in the'
-          ' _defaultOnTapOutside',
+          ' _defaultOnTapOutside()',
         );
     }
   }
@@ -474,8 +471,11 @@ class RawEditorState extends EditorState
     var _doc = controller.document;
     if (_doc.isEmpty() && widget.placeholder != null) {
       final raw = widget.placeholder?.replaceAll(r'"', '\\"');
-      _doc = Document.fromJson(jsonDecode(
+      _doc = Document.fromJson(
-          '[{"attributes":{"placeholder":true},"insert":"$raw\\n"}]'));
+        jsonDecode(
+          '[{"attributes":{"placeholder":true},"insert":"$raw\\n"}]',
+        ),
+      );
     }
 
     Widget child = CompositedTransformTarget(
@@ -1435,7 +1435,6 @@ class RawEditorState extends EditorState
   @override
   void requestKeyboard() {
     if (controller.skipRequestKeyboard) {
-      // TODO: There is a bug, requestKeyboard is being called 2-4 times!
       // and that just by one simple change
       controller.skipRequestKeyboard = false;
       return;

lib/src/widgets/style_widgets/bullet_point.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
-class QuillBulletPoint extends StatelessWidget {
+class QuillEditorBulletPoint extends StatelessWidget {
-  const QuillBulletPoint({
+  const QuillEditorBulletPoint({
     required this.style,
     required this.width,
     this.padding = 0,

lib/src/widgets/style_widgets/checkbox_point.dart

@@ -3,8 +3,8 @@ import 'package:flutter_animate/flutter_animate.dart';
 
 import '../../utils/extensions/build_context.dart';
 
-class CheckboxPoint extends StatefulWidget {
+class QuillEditorCheckboxPoint extends StatefulWidget {
-  const CheckboxPoint({
+  const QuillEditorCheckboxPoint({
     required this.size,
     required this.value,
     required this.enabled,
@@ -20,10 +20,11 @@ class CheckboxPoint extends StatefulWidget {
   final QuillCheckboxBuilder? uiBuilder;
 
   @override
-  _CheckboxPointState createState() => _CheckboxPointState();
+  _QuillEditorCheckboxPointState createState() =>
+      _QuillEditorCheckboxPointState();
 }
 
-class _CheckboxPointState extends State<CheckboxPoint> {
+class _QuillEditorCheckboxPointState extends State<QuillEditorCheckboxPoint> {
   @override
   Widget build(BuildContext context) {
     final uiBuilder = widget.uiBuilder;

lib/src/widgets/style_widgets/number_point.dart

@@ -3,8 +3,8 @@ import 'package:flutter/material.dart';
 import '../../models/documents/attribute.dart';
 import '../text_block.dart';
 
-class QuillNumberPoint extends StatelessWidget {
+class QuillEditorNumberPoint extends StatelessWidget {
-  const QuillNumberPoint({
+  const QuillEditorNumberPoint({
     required this.index,
     required this.indentLevelCounts,
     required this.count,
@@ -13,8 +13,8 @@ class QuillNumberPoint extends StatelessWidget {
     required this.attrs,
     this.withDot = true,
     this.padding = 0.0,
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   final int index;
   final Map<int?, int> indentLevelCounts;

lib/src/widgets/text_block.dart

@@ -146,7 +146,13 @@ class EditableTextBlock extends StatelessWidget {
       index++;
       final editableTextLine = EditableTextLine(
         line,
-        _buildLeading(context, line, index, indentLevelCounts, count),
+        _buildLeading(
+          context: context,
+          line: line,
+          index: index,
+          indentLevelCounts: indentLevelCounts,
+          count: count,
+        ),
         TextLine(
           line: line,
           textDirection: textDirection,
@@ -194,14 +200,19 @@ class EditableTextBlock extends StatelessWidget {
     }
   }
 
-  Widget? _buildLeading(BuildContext context, Line line, int index,
+  Widget? _buildLeading({
-      Map<int, int> indentLevelCounts, int count) {
+    required BuildContext context,
+    required Line line,
+    required int index,
+    required Map<int, int> indentLevelCounts,
+    required int count,
+  }) {
     final defaultStyles = QuillStyles.getStyles(context, false)!;
     final fontSize = defaultStyles.paragraph?.style.fontSize ?? 16;
     final attrs = line.style.attributes;
 
     if (attrs[Attribute.list.key] == Attribute.ol) {
-      return QuillNumberPoint(
+      return QuillEditorNumberPoint(
         index: index,
         indentLevelCounts: indentLevelCounts,
         count: count,
@@ -213,7 +224,7 @@ class EditableTextBlock extends StatelessWidget {
     }
 
     if (attrs[Attribute.list.key] == Attribute.ul) {
-      return QuillBulletPoint(
+      return QuillEditorBulletPoint(
         style:
             defaultStyles.leading!.style.copyWith(fontWeight: FontWeight.bold),
         width: fontSize * 2,
@@ -223,7 +234,7 @@ class EditableTextBlock extends StatelessWidget {
 
     if (attrs[Attribute.list.key] == Attribute.checked ||
         attrs[Attribute.list.key] == Attribute.unchecked) {
-      return CheckboxPoint(
+      return QuillEditorCheckboxPoint(
         size: fontSize,
         value: attrs[Attribute.list.key] == Attribute.checked,
         enabled: !readOnly,
@@ -233,7 +244,7 @@ class EditableTextBlock extends StatelessWidget {
     }
     if (attrs.containsKey(Attribute.codeBlock.key) &&
         context.requireQuillEditorElementOptions.codeBlock.enableLineNumbers) {
-      return QuillNumberPoint(
+      return QuillEditorNumberPoint(
         index: index,
         indentLevelCounts: indentLevelCounts,
         count: count,
@@ -278,7 +289,11 @@ class EditableTextBlock extends StatelessWidget {
   }
 
   VerticalSpacing _getSpacingForLine(
-      Line node, int index, int count, DefaultStyles? defaultStyles) {
+    Line node,
+    int index,
+    int count,
+    DefaultStyles? defaultStyles,
+  ) {
     var top = 0.0, bottom = 0.0;
 
     final attrs = block.style.attributes;
@@ -301,7 +316,7 @@ class EditableTextBlock extends StatelessWidget {
           throw 'Invalid level $level';
       }
     } else {
-      late VerticalSpacing lineSpacing;
+      final VerticalSpacing lineSpacing;
       if (attrs.containsKey(Attribute.blockQuote.key)) {
         lineSpacing = defaultStyles!.quote!.lineSpacing;
       } else if (attrs.containsKey(Attribute.indent.key)) {
@@ -502,10 +517,16 @@ class RenderEditableTextBlock extends RenderEditableContainerBox
       return TextSelectionPoint(
         Offset(0, preferredLineHeight(selection.extent)) +
             getOffsetForCaret(selection.extent),
-          null);
+        null,
+      );
     }
 
-    final baseNode = container.queryChild(selection.start, false).node;
+    final baseNode = container
+        .queryChild(
+          selection.start,
+          false,
+        )
+        .node;
     var baseChild = firstChild;
     while (baseChild != null) {
       if (baseChild.container == baseNode) {
@@ -516,10 +537,16 @@ class RenderEditableTextBlock extends RenderEditableContainerBox
     assert(baseChild != null);
 
     final basePoint = baseChild!.getBaseEndpointForSelection(
-        localSelection(baseChild.container, selection, true));
+      localSelection(
+        baseChild.container,
+        selection,
+        true,
+      ),
+    );
     return TextSelectionPoint(
       basePoint.point + (baseChild.parentData as BoxParentData).offset,
-        basePoint.direction);
+      basePoint.direction,
+    );
   }
 
   @override
@@ -528,7 +555,8 @@ class RenderEditableTextBlock extends RenderEditableContainerBox
       return TextSelectionPoint(
         Offset(0, preferredLineHeight(selection.extent)) +
             getOffsetForCaret(selection.extent),
-          null);
+        null,
+      );
     }
 
     final extentNode = container.queryChild(selection.end, false).node;
@@ -543,10 +571,16 @@ class RenderEditableTextBlock extends RenderEditableContainerBox
     assert(extentChild != null);
 
     final extentPoint = extentChild!.getExtentEndpointForSelection(
-        localSelection(extentChild.container, selection, true));
+      localSelection(
+        extentChild.container,
+        selection,
+        true,
+      ),
+    );
     return TextSelectionPoint(
       extentPoint.point + (extentChild.parentData as BoxParentData).offset,
-        extentPoint.direction);
+      extentPoint.direction,
+    );
   }
 
   @override
@@ -576,8 +610,10 @@ class RenderEditableTextBlock extends RenderEditableContainerBox
         offset.translate(decorationPadding.left, decorationPadding.top);
     _painter!.paint(context.canvas, decorationOffset, filledConfiguration);
     if (debugSaveCount != context.canvas.getSaveCount()) {
-      throw '${_decoration.runtimeType} painter had mismatching save and  '
+      throw StateError(
-          'restore calls.';
+        '${_decoration.runtimeType} painter had mismatching save and  '
+        'restore calls.',
+      );
     }
     if (decoration.isComplex) {
       context.setIsComplexHint();

lib/src/widgets/text_line.dart

@@ -43,8 +43,8 @@ class TextLine extends StatefulWidget {
     this.customStyleBuilder,
     this.customRecognizerBuilder,
     this.customLinkPrefixes = const <String>[],
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   final Line line;
   final TextDirection? textDirection;
@@ -88,7 +88,7 @@ class _TextLineState extends State<TextLine> {
 
     // In editing mode it depends on the platform:
 
-    // Desktop platforms (macos, linux, windows):
+    // Desktop platforms (macOS, Linux, Windows):
     // only allow Meta (Control) + Click combinations
     if (isDesktop()) {
       return _metaOrControlPressed;
@@ -581,7 +581,7 @@ class EditableTextLine extends RenderObjectWidget {
   }
 }
 
-enum TextLineSlot { LEADING, BODY }
+enum TextLineSlot { leading, body }
 
 class RenderEditableTextLine extends RenderEditableBox {
   /// Creates new editable paragraph render box.
@@ -595,7 +595,8 @@ class RenderEditableTextLine extends RenderEditableBox {
     this.padding,
     this.color,
     this.cursorCont,
-      this.inlineCodeStyle);
+    this.inlineCodeStyle,
+  );
 
   RenderBox? _leading;
   RenderContentProxyBox? _body;
@@ -715,11 +716,11 @@ class RenderEditableTextLine extends RenderEditableBox {
   }
 
   void setLeading(RenderBox? l) {
-    _leading = _updateChild(_leading, l, TextLineSlot.LEADING);
+    _leading = _updateChild(_leading, l, TextLineSlot.leading);
   }
 
   void setBody(RenderContentProxyBox? b) {
-    _body = _updateChild(_body, b, TextLineSlot.BODY) as RenderContentProxyBox?;
+    _body = _updateChild(_body, b, TextLineSlot.body) as RenderContentProxyBox?;
   }
 
   void setInlineCodeStyle(InlineCodeStyle newStyle) {
@@ -744,7 +745,10 @@ class RenderEditableTextLine extends RenderEditableBox {
   }
 
   RenderBox? _updateChild(
-      RenderBox? old, RenderBox? newChild, TextLineSlot slot) {
+    RenderBox? old,
+    RenderBox? newChild,
+    TextLineSlot slot,
+  ) {
     if (old != null) {
       dropChild(old);
       children.remove(slot);
@@ -801,7 +805,8 @@ class RenderEditableTextLine extends RenderEditableBox {
     final targetBox = first ? boxes.first : boxes.last;
     return TextSelectionPoint(
       Offset(first ? targetBox.start : targetBox.end, targetBox.bottom),
-        targetBox.direction);
+      targetBox.direction,
+    );
   }
 
   @override
@@ -814,9 +819,12 @@ class RenderEditableTextLine extends RenderEditableBox {
             .where((element) => element.top < lineDy && element.bottom > lineDy)
             .toList(growable: false);
     return TextRange(
-        start:
+        start: getPositionForOffset(
-            getPositionForOffset(Offset(lineBoxes.first.left, lineDy)).offset,
+          Offset(lineBoxes.first.left, lineDy),
-        end: getPositionForOffset(Offset(lineBoxes.last.right, lineDy)).offset);
+        ).offset,
+        end: getPositionForOffset(
+          Offset(lineBoxes.last.right, lineDy),
+        ).offset);
   }
 
   @override
@@ -886,7 +894,9 @@ class RenderEditableTextLine extends RenderEditableBox {
   /// of the cursor for iOS is approximate and obtained through an eyeball
   /// comparison.
   void _computeCaretPrototype() {
-    if (isAppleOS()) {
+    // If the cursor is taller only on iOS and not AppleOS then we should check
+    // only for iOS instead of AppleOS (macOS for example)
+    if (isIOS()) {
       _caretPrototype = Rect.fromLTWH(0, 0, cursorWidth, cursorHeight + 2);
     } else {
       _caretPrototype = Rect.fromLTWH(0, 2, cursorWidth, cursorHeight - 4.0);
@@ -1090,8 +1100,13 @@ class RenderEditableTextLine extends RenderEditableBox {
       } else {
         final parentData = _leading!.parentData as BoxParentData;
         final effectiveOffset = offset + parentData.offset;
-        context.paintChild(_leading!,
+        context.paintChild(
-            Offset(size.width - _leading!.size.width, effectiveOffset.dy));
+          _leading!,
+          Offset(
+            size.width - _leading!.size.width,
+            effectiveOffset.dy,
+          ),
+        );
       }
     }
 
@@ -1106,18 +1121,29 @@ class RenderEditableTextLine extends RenderEditableBox {
             continue;
           }
           final textRange = TextSelection(
-              baseOffset: item.offset, extentOffset: item.offset + item.length);
+            baseOffset: item.offset,
+            extentOffset: item.offset + item.length,
+          );
           final rects = _body!.getBoxesForSelection(textRange);
           final paint = Paint()..color = inlineCodeStyle.backgroundColor!;
           for (final box in rects) {
             final rect = box.toRect().translate(0, 1).shift(effectiveOffset);
             if (inlineCodeStyle.radius == null) {
               final paintRect = Rect.fromLTRB(
-                  rect.left - 2, rect.top, rect.right + 2, rect.bottom);
+                rect.left - 2,
+                rect.top,
+                rect.right + 2,
+                rect.bottom,
+              );
               context.canvas.drawRect(paintRect, paint);
             } else {
-              final paintRect = RRect.fromLTRBR(rect.left - 2, rect.top,
+              final paintRect = RRect.fromLTRBR(
-                  rect.right + 2, rect.bottom, inlineCodeStyle.radius!);
+                rect.left - 2,
+                rect.top,
+                rect.right + 2,
+                rect.bottom,
+                inlineCodeStyle.radius!,
+              );
               context.canvas.drawRRect(paintRect, paint);
             }
           }
@@ -1154,10 +1180,20 @@ class RenderEditableTextLine extends RenderEditableBox {
         if (line.isEmpty &&
             textSelection.baseOffset <= line.offset &&
             textSelection.extentOffset > line.offset) {
-          final lineHeight =
+          final lineHeight = preferredLineHeight(
-              preferredLineHeight(TextPosition(offset: line.offset));
+            TextPosition(
-          _selectedRects
+              offset: line.offset,
-              ?.add(TextBox.fromLTRBD(0, 0, 3, lineHeight, textDirection));
+            ),
+          );
+          _selectedRects?.add(
+            TextBox.fromLTRBD(
+              0,
+              0,
+              3,
+              lineHeight,
+              textDirection,
+            ),
+          );
         }
 
         _paintSelection(context, effectiveOffset);
@@ -1179,12 +1215,18 @@ class RenderEditableTextLine extends RenderEditableBox {
         ? TextPosition(
             offset: cursorCont.floatingCursorTextPosition.value!.offset -
                 line.documentOffset,
-            affinity: cursorCont.floatingCursorTextPosition.value!.affinity)
+            affinity: cursorCont.floatingCursorTextPosition.value!.affinity,
+          )
         : TextPosition(
             offset: textSelection.extentOffset - line.documentOffset,
-            affinity: textSelection.base.affinity);
+            affinity: textSelection.base.affinity,
+          );
     _cursorPainter.paint(
-        context.canvas, effectiveOffset, position, lineHasEmbed);
+      context.canvas,
+      effectiveOffset,
+      position,
+      lineHasEmbed,
+    );
   }
 
   @override
@@ -1197,7 +1239,8 @@ class RenderEditableTextLine extends RenderEditableBox {
         hitTest: (result, transformed) {
           assert(transformed == position - childParentData.offset);
           return _leading!.hitTest(result, position: transformed);
-          });
+        },
+      );
       if (isHit) return true;
     }
     if (_body == null) return false;
@@ -1207,14 +1250,19 @@ class RenderEditableTextLine extends RenderEditableBox {
       position: position,
       hitTest: (result, position) {
         return _body!.hitTest(result, position: position);
-        });
+      },
+    );
   }
 
   @override
   Rect getLocalRectForCaret(TextPosition position) {
     final caretOffset = getOffsetForCaret(position);
-    var rect =
+    var rect = Rect.fromLTWH(
-        Rect.fromLTWH(0, 0, cursorWidth, cursorHeight).shift(caretOffset);
+      0,
+      0,
+      cursorWidth,
+      cursorHeight,
+    ).shift(caretOffset);
     final cursorOffset = cursorCont.style.offset;
     // Add additional cursor offset (generally only if on iOS).
     if (cursorOffset != null) rect = rect.shift(cursorOffset);
@@ -1272,16 +1320,16 @@ class _TextLineElement extends RenderObjectElement {
   @override
   void mount(Element? parent, dynamic newSlot) {
     super.mount(parent, newSlot);
-    _mountChild(widget.leading, TextLineSlot.LEADING);
+    _mountChild(widget.leading, TextLineSlot.leading);
-    _mountChild(widget.body, TextLineSlot.BODY);
+    _mountChild(widget.body, TextLineSlot.body);
   }
 
   @override
   void update(EditableTextLine newWidget) {
     super.update(newWidget);
     assert(widget == newWidget);
-    _updateChild(widget.leading, TextLineSlot.LEADING);
+    _updateChild(widget.leading, TextLineSlot.leading);
-    _updateChild(widget.body, TextLineSlot.BODY);
+    _updateChild(widget.body, TextLineSlot.body);
   }
 
   @override
@@ -1318,10 +1366,10 @@ class _TextLineElement extends RenderObjectElement {
 
   void _updateRenderObject(RenderBox? child, TextLineSlot? slot) {
     switch (slot) {
-      case TextLineSlot.LEADING:
+      case TextLineSlot.leading:
         renderObject.setLeading(child);
         break;
-      case TextLineSlot.BODY:
+      case TextLineSlot.body:
         renderObject.setBody(child as RenderContentProxyBox?);
         break;
       default:

lib/src/widgets/text_selection.dart

@@ -842,8 +842,10 @@ class _EditorTextSelectionGestureDetectorState
 
   void _handleDragUpdate(DragUpdateDetails details) {
     _lastDragUpdateDetails = details;
-    _dragUpdateThrottleTimer ??=
+    _dragUpdateThrottleTimer ??= Timer(
-        Timer(const Duration(milliseconds: 50), _handleDragUpdateThrottled);
+      const Duration(milliseconds: 50),
+      _handleDragUpdateThrottled,
+    );
   }
 
   /// Drag updates are being throttled to avoid excessive text layouts in text

pubspec.yaml

@@ -17,7 +17,8 @@ platforms:
   windows:
 
 environment:
-  sdk: ">=2.17.0 <4.0.0"
+  sdk: '>=3.1.3 <4.0.0'
+  # sdk: ">=2.17.0 <4.0.0"
   flutter: ">=3.10.0"
 
 dependencies:
@@ -40,5 +41,6 @@ dependencies:
 
   flutter_test:
     sdk: flutter
+  meta: ^1.9.1
 
 flutter: null

test/bug_fix_test.dart

@@ -130,7 +130,7 @@ void main() {
         controller.formatSelection(Attribute.unchecked);
         editor.focusNode.unfocus();
         await tester.pump();
-        await tester.tap(find.byType(CheckboxPoint));
+        await tester.tap(find.byType(QuillEditorCheckboxPoint));
         expect(tester.takeException(), isNull);
       });
     });