diff --git a/lib/widgets/controller.dart b/lib/widgets/controller.dart
index 3bd66b6f..1b7a8180 100644
--- a/lib/widgets/controller.dart
+++ b/lib/widgets/controller.dart
@@ -11,7 +11,7 @@ import '../models/quill_delta.dart';
 import '../utils/diff_delta.dart';
 
 class QuillController extends ChangeNotifier {
-  QuillController({required this.document, required this.selection});
+  QuillController({required this.document, required this.selection, this.iconSize = 18, this.toolbarHeightFactor = 2});
 
   factory QuillController.basic() {
     return QuillController(
@@ -22,7 +22,11 @@ class QuillController extends ChangeNotifier {
 
   final Document document;
   TextSelection selection;
+  double iconSize;
+  double toolbarHeightFactor;
+
   Style toggledStyle = Style();
+  bool ignoreFocusOnTextChange = false;
 
   // item1: Document state before [change].
   //
@@ -76,7 +80,7 @@ class QuillController extends ChangeNotifier {
   bool get hasRedo => document.hasRedo;
 
   void replaceText(
-      int index, int len, Object? data, TextSelection? textSelection) {
+      int index, int len, Object? data, TextSelection? textSelection, {bool ignoreFocus = false}) {
     assert(data is String || data is Embeddable);
 
     Delta? delta;
@@ -124,7 +128,12 @@ class QuillController extends ChangeNotifier {
         );
       }
     }
+
+    if (ignoreFocus) {
+      ignoreFocusOnTextChange = true;
+    }
     notifyListeners();
+    ignoreFocusOnTextChange = false;
   }
 
   void formatText(int index, int len, Attribute? attribute) {
diff --git a/lib/widgets/editor.dart b/lib/widgets/editor.dart
index 5be0dd24..42fd769c 100644
--- a/lib/widgets/editor.dart
+++ b/lib/widgets/editor.dart
@@ -176,20 +176,19 @@ class QuillEditor extends StatefulWidget {
   final ScrollPhysics? scrollPhysics;
   final ValueChanged<String>? onLaunchUrl;
   // Returns whether gesture is handled
-  final bool Function(TapDownDetails details, TextPosition textPosition)?
-      onTapDown;
+  final bool Function(TapDownDetails details, TextPosition Function(Offset offset))? onTapDown;
+
   // Returns whether gesture is handled
-  final bool Function(TapUpDetails details, TextPosition textPosition)? onTapUp;
+  final bool Function(TapUpDetails details, TextPosition Function(Offset offset))? onTapUp;
+
   // Returns whether gesture is handled
-  final bool Function(LongPressStartDetails details, TextPosition textPosition)?
-      onSingleLongTapStart;
+  final bool Function(LongPressStartDetails details, TextPosition Function(Offset offset))? onSingleLongTapStart;
+
   // Returns whether gesture is handled
-  final bool Function(
-          LongPressMoveUpdateDetails details, TextPosition textPosition)?
-      onSingleLongTapMoveUpdate;
+  final bool Function(LongPressMoveUpdateDetails details, TextPosition Function(Offset offset))? onSingleLongTapMoveUpdate;
   // Returns whether gesture is handled
-  final bool Function(LongPressEndDetails details, TextPosition textPosition)?
-      onSingleLongTapEnd;
+  final bool Function(LongPressEndDetails details, TextPosition Function(Offset offset))? onSingleLongTapEnd;
+
   final EmbedBuilder embedBuilder;
 
   @override
@@ -340,8 +339,7 @@ class _QuillEditorSelectionGestureDetectorBuilder
     if (_state.widget.onSingleLongTapMoveUpdate != null) {
       final renderEditor = getRenderEditor();
       if (renderEditor != null) {
-        if (_state.widget.onSingleLongTapMoveUpdate!(details,
-            renderEditor.getPositionForOffset(details.globalPosition))) {
+        if (_state.widget.onSingleLongTapMoveUpdate!(details, renderEditor.getPositionForOffset)) {
           return;
         }
       }
@@ -470,8 +468,7 @@ class _QuillEditorSelectionGestureDetectorBuilder
     if (_state.widget.onTapDown != null) {
       final renderEditor = getRenderEditor();
       if (renderEditor != null) {
-        if (_state.widget.onTapDown!(details,
-            renderEditor.getPositionForOffset(details.globalPosition))) {
+        if (_state.widget.onTapDown!(details, renderEditor.getPositionForOffset)) {
           return;
         }
       }
@@ -484,8 +481,7 @@ class _QuillEditorSelectionGestureDetectorBuilder
     if (_state.widget.onTapUp != null) {
       final renderEditor = getRenderEditor();
       if (renderEditor != null) {
-        if (_state.widget.onTapUp!(details,
-            renderEditor.getPositionForOffset(details.globalPosition))) {
+        if (_state.widget.onTapUp!(details, renderEditor.getPositionForOffset)) {
           return;
         }
       }
@@ -527,8 +523,7 @@ class _QuillEditorSelectionGestureDetectorBuilder
     if (_state.widget.onSingleLongTapStart != null) {
       final renderEditor = getRenderEditor();
       if (renderEditor != null) {
-        if (_state.widget.onSingleLongTapStart!(details,
-            renderEditor.getPositionForOffset(details.globalPosition))) {
+        if (_state.widget.onSingleLongTapStart!(details, renderEditor.getPositionForOffset)) {
           return;
         }
       }
@@ -562,8 +557,7 @@ class _QuillEditorSelectionGestureDetectorBuilder
     if (_state.widget.onSingleLongTapEnd != null) {
       final renderEditor = getRenderEditor();
       if (renderEditor != null) {
-        if (_state.widget.onSingleLongTapEnd!(details,
-            renderEditor.getPositionForOffset(details.globalPosition))) {
+        if (_state.widget.onSingleLongTapEnd!(details, renderEditor.getPositionForOffset)) {
           return;
         }
       }
diff --git a/lib/widgets/raw_editor.dart b/lib/widgets/raw_editor.dart
index 1627ebc3..7114e670 100644
--- a/lib/widgets/raw_editor.dart
+++ b/lib/widgets/raw_editor.dart
@@ -675,7 +675,9 @@ class RawEditorState extends EditorState
 
     _clipboardStatus?.addListener(_onChangedClipboardStatus);
 
-    widget.controller.addListener(_didChangeTextEditingValue);
+    widget.controller.addListener(() {
+      _didChangeTextEditingValue(widget.controller.ignoreFocusOnTextChange);
+    });
 
     _scrollController = widget.scrollController;
     _scrollController!.addListener(_updateSelectionOverlayForScroll);
@@ -883,15 +885,17 @@ class RawEditorState extends EditorState
     _selectionOverlay?.markNeedsBuild();
   }
 
-  void _didChangeTextEditingValue() {
+  void _didChangeTextEditingValue([bool ignoreFocus = false]) {
     if (kIsWeb) {
-      _onChangeTextEditingValue();
-      requestKeyboard();
+      _onChangeTextEditingValue(ignoreFocus);
+      if (!ignoreFocus) {
+        requestKeyboard();
+      }
       return;
     }
 
-    if (_keyboardVisible) {
-      _onChangeTextEditingValue();
+    if (ignoreFocus || _keyboardVisible) {
+      _onChangeTextEditingValue(ignoreFocus);
     } else {
       requestKeyboard();
       if (mounted) {
@@ -903,19 +907,20 @@ class RawEditorState extends EditorState
     }
   }
 
-  void _onChangeTextEditingValue() {
-    _showCaretOnScreen();
+  void _onChangeTextEditingValue([bool ignoreCaret = false]) {
     updateRemoteValueIfNeeded();
-    _cursorCont.startOrStopCursorTimerIfNeeded(
-        _hasFocus, widget.controller.selection);
+    if (ignoreCaret) {
+      return;
+    }
+    _showCaretOnScreen();
+    _cursorCont.startOrStopCursorTimerIfNeeded(_hasFocus, widget.controller.selection);
     if (hasConnection) {
       _cursorCont
         ..stopCursorTimer(resetCharTicks: false)
         ..startCursorTimer();
     }
 
-    SchedulerBinding.instance!.addPostFrameCallback(
-        (_) => _updateOrDisposeSelectionOverlayIfNeeded());
+    SchedulerBinding.instance!.addPostFrameCallback((_) => _updateOrDisposeSelectionOverlayIfNeeded());
     if (mounted) {
       setState(() {
         // Use widget.controller.value in build()
diff --git a/lib/widgets/toolbar.dart b/lib/widgets/toolbar.dart
index 82ab6125..8bcb3329 100644
--- a/lib/widgets/toolbar.dart
+++ b/lib/widgets/toolbar.dart
@@ -14,9 +14,6 @@ import '../models/documents/style.dart';
 import '../utils/color.dart';
 import 'controller.dart';
 
-double iconSize = 18;
-double kToolbarHeight = iconSize * 2;
-
 typedef OnImagePickCallback = Future<String> Function(File file);
 typedef ImagePickImpl = Future<String?> Function(ImageSource source);
 
@@ -37,10 +34,10 @@ class InsertEmbedButton extends StatelessWidget {
     return QuillIconButton(
       highlightElevation: 0,
       hoverElevation: 0,
-      size: iconSize * 1.77,
+      size: controller.iconSize * 1.77,
       icon: Icon(
         icon,
-        size: iconSize,
+        size: controller.iconSize,
         color: Theme.of(context).iconTheme.color,
       ),
       fillColor: fillColor ?? Theme.of(context).canvasColor,
@@ -101,10 +98,10 @@ class _LinkStyleButtonState extends State<LinkStyleButton> {
     return QuillIconButton(
       highlightElevation: 0,
       hoverElevation: 0,
-      size: iconSize * 1.77,
+      size: widget.controller.iconSize * 1.77,
       icon: Icon(
         widget.icon ?? Icons.link,
-        size: iconSize,
+        size: widget.controller.iconSize,
         color: isEnabled ? theme.iconTheme.color : theme.disabledColor,
       ),
       fillColor: Theme.of(context).canvasColor,
@@ -372,8 +369,8 @@ Widget defaultToggleStyleButtonBuilder(
   return QuillIconButton(
     highlightElevation: 0,
     hoverElevation: 0,
-    size: iconSize * 1.77,
-    icon: Icon(icon, size: iconSize, color: iconColor),
+    size: 18 * 1.77,
+    icon: Icon(icon, size: 18, color: iconColor),
     fillColor: fill,
     onPressed: onPressed,
   );
@@ -435,12 +432,12 @@ class _SelectHeaderStyleButtonState extends State<SelectHeaderStyleButton> {
 
   @override
   Widget build(BuildContext context) {
-    return _selectHeadingStyleButtonBuilder(context, _value, _selectAttribute);
+    return _selectHeadingStyleButtonBuilder(context, _value, _selectAttribute, widget.controller.iconSize);
   }
 }
 
 Widget _selectHeadingStyleButtonBuilder(BuildContext context, Attribute? value,
-    ValueChanged<Attribute?> onSelected) {
+    ValueChanged<Attribute?> onSelected, double iconSize) {
   final _valueToText = <Attribute, String>{
     Attribute.header: 'N',
     Attribute.h1: 'H1',
@@ -532,12 +529,12 @@ class _ImageButtonState extends State<ImageButton> {
     return QuillIconButton(
       icon: Icon(
         widget.icon,
-        size: iconSize,
+        size: widget.controller.iconSize,
         color: theme.iconTheme.color,
       ),
       highlightElevation: 0,
       hoverElevation: 0,
-      size: iconSize * 1.77,
+      size: widget.controller.iconSize * 1.77,
       fillColor: theme.canvasColor,
       onPressed: _handleImageButtonTap,
     );
@@ -708,9 +705,9 @@ class _ColorButtonState extends State<ColorButton> {
     return QuillIconButton(
       highlightElevation: 0,
       hoverElevation: 0,
-      size: iconSize * 1.77,
+      size: widget.controller.iconSize * 1.77,
       icon: Icon(widget.icon,
-          size: iconSize,
+          size: widget.controller.iconSize,
           color: widget.background ? iconColorBackground : iconColor),
       fillColor: widget.background ? fillColorBackground : fillColor,
       onPressed: _showColorPicker,
@@ -776,8 +773,8 @@ class _HistoryButtonState extends State<HistoryButton> {
     return QuillIconButton(
       highlightElevation: 0,
       hoverElevation: 0,
-      size: iconSize * 1.77,
-      icon: Icon(widget.icon, size: iconSize, color: _iconColor),
+      size: widget.controller.iconSize * 1.77,
+      icon: Icon(widget.icon, size: widget.controller.iconSize, color: _iconColor),
       fillColor: fillColor,
       onPressed: _changeHistory,
     );
@@ -841,8 +838,8 @@ class _IndentButtonState extends State<IndentButton> {
     return QuillIconButton(
       highlightElevation: 0,
       hoverElevation: 0,
-      size: iconSize * 1.77,
-      icon: Icon(widget.icon, size: iconSize, color: iconColor),
+      size: widget.controller.iconSize * 1.77,
+      icon: Icon(widget.icon, size: widget.controller.iconSize, color: iconColor),
       fillColor: fillColor,
       onPressed: () {
         final indent = widget.controller
@@ -895,8 +892,8 @@ class _ClearFormatButtonState extends State<ClearFormatButton> {
     return QuillIconButton(
         highlightElevation: 0,
         hoverElevation: 0,
-        size: iconSize * 1.77,
-        icon: Icon(widget.icon, size: iconSize, color: iconColor),
+        size: widget.controller.iconSize * 1.77,
+        icon: Icon(widget.icon, size: widget.controller.iconSize, color: iconColor),
         fillColor: fillColor,
         onPressed: () {
           for (final k
@@ -908,7 +905,7 @@ class _ClearFormatButtonState extends State<ClearFormatButton> {
 }
 
 class QuillToolbar extends StatefulWidget implements PreferredSizeWidget {
-  const QuillToolbar({required this.children, Key? key}) : super(key: key);
+  const QuillToolbar({required this.children, this.toolBarHeight = 36, Key? key}) : super(key: key);
 
   factory QuillToolbar.basic({
     required QuillController controller,
@@ -933,8 +930,9 @@ class QuillToolbar extends StatefulWidget implements PreferredSizeWidget {
     OnImagePickCallback? onImagePickCallback,
     Key? key,
   }) {
-    iconSize = toolbarIconSize;
-    return QuillToolbar(key: key, children: [
+    controller.iconSize = toolbarIconSize;
+
+    return QuillToolbar(key: key, toolBarHeight: toolbarIconSize * controller.toolbarHeightFactor, children: [
       Visibility(
         visible: showHistory,
         child: HistoryButton(
@@ -1034,12 +1032,8 @@ class QuillToolbar extends StatefulWidget implements PreferredSizeWidget {
         ),
       ),
       Visibility(
-          visible: showHeaderStyle,
-          child: VerticalDivider(
-              indent: 12, endIndent: 12, color: Colors.grey.shade400)),
-      Visibility(
-          visible: showHeaderStyle,
-          child: SelectHeaderStyleButton(controller: controller)),
+          visible: showHeaderStyle, child: VerticalDivider(indent: 12, endIndent: 12, color: Colors.grey.shade400)),
+      Visibility(visible: showHeaderStyle, child: SelectHeaderStyleButton(controller: controller)),
       VerticalDivider(indent: 12, endIndent: 12, color: Colors.grey.shade400),
       Visibility(
         visible: showListNumbers,
@@ -1074,12 +1068,8 @@ class QuillToolbar extends StatefulWidget implements PreferredSizeWidget {
         ),
       ),
       Visibility(
-          visible: !showListNumbers &&
-              !showListBullets &&
-              !showListCheck &&
-              !showCodeBlock,
-          child: VerticalDivider(
-              indent: 12, endIndent: 12, color: Colors.grey.shade400)),
+          visible: !showListNumbers && !showListBullets && !showListCheck && !showCodeBlock,
+          child: VerticalDivider(indent: 12, endIndent: 12, color: Colors.grey.shade400)),
       Visibility(
         visible: showQuote,
         child: ToggleStyleButton(
@@ -1104,12 +1094,8 @@ class QuillToolbar extends StatefulWidget implements PreferredSizeWidget {
           isIncrease: false,
         ),
       ),
-      Visibility(
-          visible: showQuote,
-          child: VerticalDivider(
-              indent: 12, endIndent: 12, color: Colors.grey.shade400)),
-      Visibility(
-          visible: showLink, child: LinkStyleButton(controller: controller)),
+      Visibility(visible: showQuote, child: VerticalDivider(indent: 12, endIndent: 12, color: Colors.grey.shade400)),
+      Visibility(visible: showLink, child: LinkStyleButton(controller: controller)),
       Visibility(
         visible: showHorizontalRule,
         child: InsertEmbedButton(
@@ -1121,12 +1107,13 @@ class QuillToolbar extends StatefulWidget implements PreferredSizeWidget {
   }
 
   final List<Widget> children;
+  final double toolBarHeight;
 
   @override
   _QuillToolbarState createState() => _QuillToolbarState();
 
   @override
-  Size get preferredSize => Size.fromHeight(kToolbarHeight);
+  Size get preferredSize => Size.fromHeight(toolBarHeight);
 }
 
 class _QuillToolbarState extends State<QuillToolbar> {