Bug fix and other changes

.github/ISSUE_TEMPLATE/issue-template.md

@@ -1,20 +1,16 @@
 ---
 name: Issue template
 about: Common things to fill
-title: "[Web] or [Mobile] or [Desktop]"
+title: "Issue in [Mobile, Desktop, Web]"
 labels: ''
 assignees: ''
 
 ---
 
-My issue is about [Web]
-My issue is about [Mobile]
-My issue is about [Desktop]
-
-I have tried running `example` directory successfully before creating an issue here.
-
 Please note that we are using <b>latest</b> flutter version in stable channel on branch master. If you are using beta or master channel, or you are not using <b>latest</b> flutter version in stable channel, you may experience error.
 
+<!-- Did you try the running `example` directory?? How does it goes -->
+
 <!-- Please explain how to encounter the issue in details if possible -->
 
 <!-- Don't forgot to mention the platform you are testing in -->

lib/src/models/config/toolbar/buttons/link_style2.dart

@@ -0,0 +1,65 @@
+import 'package:flutter/widgets.dart';
+
+import '../../../../widgets/controller.dart';
+import '../../../themes/quill_dialog_theme.dart';
+import '../../../themes/quill_icon_theme.dart';
+import 'base.dart';
+
+class QuillToolbarLinkStyleButton2ExtraOptions
+    extends QuillToolbarBaseButtonExtraOptions {
+  const QuillToolbarLinkStyleButton2ExtraOptions({
+    required super.controller,
+    required super.context,
+    required super.onPressed,
+  });
+}
+
+class QuillToolbarLinkStyleButton2Options extends QuillToolbarBaseButtonOptions<
+    QuillToolbarLinkStyleButton2Options,
+    QuillToolbarLinkStyleButton2ExtraOptions> {
+  const QuillToolbarLinkStyleButton2Options({
+    this.iconSize,
+    this.dialogTheme,
+    this.constraints,
+    this.addLinkLabel,
+    this.editLinkLabel,
+    this.linkColor,
+    this.validationMessage,
+    this.buttonSize,
+    this.dialogBarrierColor,
+    this.childrenSpacing = 16.0,
+    this.autovalidateMode = AutovalidateMode.disabled,
+    super.iconData,
+    super.afterButtonPressed,
+    super.tooltip,
+    super.iconTheme,
+    super.childBuilder,
+    super.controller,
+  });
+
+  final double? iconSize;
+  final QuillDialogTheme? dialogTheme;
+
+  /// The constrains for dialog.
+  final BoxConstraints? constraints;
+
+  /// The text of label in link add mode.
+  final String? addLinkLabel;
+
+  /// The text of label in link edit mode.
+  final String? editLinkLabel;
+
+  /// The color of URL.
+  final Color? linkColor;
+
+  /// The margin between child widgets in the dialog.
+  final double childrenSpacing;
+
+  final AutovalidateMode autovalidateMode;
+  final String? validationMessage;
+
+  /// The size of dialog buttons.
+  final Size? buttonSize;
+
+  final Color? dialogBarrierColor;
+}

lib/src/models/config/toolbar/buttons/select_alignment.dart

@@ -19,6 +19,8 @@ class QuillToolbarSelectAlignmentButtonOptions
     this.tooltips,
     this.iconSize,
     super.afterButtonPressed,
+
+    /// This will called on every select alignment button
     super.childBuilder,
     super.controller,
     super.iconTheme,

lib/src/models/config/toolbar/buttons/select_header_style.dart

@@ -20,20 +20,21 @@ class QuillToolbarSelectHeaderStyleButtonsOptions
     super.afterButtonPressed,
     super.childBuilder,
     super.controller,
-    super.iconData,
     super.iconTheme,
     super.tooltip,
     this.axis,
-    this.attributes = const [
-      Attribute.header,
-      Attribute.h1,
-      Attribute.h2,
-      Attribute.h3,
-    ],
+    this.attributes,
     this.iconSize,
   });
 
-  final List<Attribute> attributes;
+  /// Default value:
+  /// const [
+  ///   Attribute.header,
+  ///   Attribute.h1,
+  ///   Attribute.h2,
+  ///   Attribute.h3,
+  /// ]
+  final List<Attribute>? attributes;
 
   /// By default we will the toolbar axis from [QuillToolbarConfigurations]
   final Axis? axis;

lib/src/models/rules/insert.dart

@@ -358,14 +358,14 @@ class AutoFormatMultipleLinksRule extends InsertRule {
   // TODO: You might want to rename those but everywhere even in
   // flutter_quill_extensions
 
-  static const _oneLinePattern =
+  static const _oneLineLinkPattern =
       r'^https?:\/\/[\w\-]+(\.[\w\-]+)*(:\d+)?(\/.*)?$';
   static const _detectLinkPattern =
       r'https?:\/\/[\w\-]+(\.[\w\-]+)*(:\d+)?(\/[^\s]*)?';
 
   /// It requires a valid link in one link
-  static final oneLineRegExp = RegExp(
-    _oneLinePattern,
+  static final oneLineLinkRegExp = RegExp(
+    _oneLineLinkPattern,
     caseSensitive: false,
   );
 
@@ -375,10 +375,10 @@ class AutoFormatMultipleLinksRule extends InsertRule {
     _detectLinkPattern,
     caseSensitive: false,
   );
-  @Deprecated(
-    'Please use [linkRegExp1] or [linkRegExp2]',
-  )
-  static final linkRegExp = oneLineRegExp;
+  // @Deprecated(
+  //   'Please use [linkRegExp1] or [linkRegExp2]',
+  // )
+  static final linkRegExp = oneLineLinkRegExp;
 
   @override
   Delta? applyRule(

lib/src/widgets/toolbar/buttons/arrow_indicated_list.dart

@@ -10,8 +10,8 @@ class QuillToolbarArrowIndicatedButtonList extends StatefulWidget {
   const QuillToolbarArrowIndicatedButtonList({
     required this.axis,
     required this.buttons,
-    Key? key,
-  }) : super(key: key);
+    super.key,
+  });
 
   final Axis axis;
   final List<Widget> buttons;

lib/src/widgets/toolbar/buttons/link_style.dart

@@ -95,14 +95,13 @@ class _QuillToolbarLinkStyleButtonState
         context.requireQuillSharedConfigurations.dialogBarrierColor;
   }
 
-  RegExp get linkRegExp {
-    return options.linkRegExp ?? RegExp(r'https?://\S+');
+  RegExp? get linkRegExp {
+    return options.linkRegExp;
   }
 
   @override
   Widget build(BuildContext context) {
     final isToggled = _getLinkAttributeValue() != null;
-    final pressedHandler = () => _openLinkDialog(context);
 
     final childBuilder =
         options.childBuilder ?? baseButtonExtraOptions.childBuilder;
@@ -124,7 +123,7 @@ class _QuillToolbarLinkStyleButtonState
           context: context,
           controller: controller,
           onPressed: () {
-            pressedHandler();
+            _openLinkDialog(context);
             afterButtonPressed?.call();
           },
         ),
@@ -144,10 +143,10 @@ class _QuillToolbarLinkStyleButtonState
             : (iconTheme?.iconUnselectedColor ?? theme.iconTheme.color),
       ),
       fillColor: isToggled
-          ? (iconTheme?.iconSelectedFillColor ?? Theme.of(context).primaryColor)
+          ? (iconTheme?.iconSelectedFillColor ?? theme.primaryColor)
           : (iconTheme?.iconUnselectedFillColor ?? theme.canvasColor),
       borderRadius: iconTheme?.borderRadius ?? 2,
-      onPressed: pressedHandler,
+      onPressed: () => _openLinkDialog(context),
       afterPressed: afterButtonPressed,
     );
   }
@@ -236,7 +235,11 @@ class _LinkDialog extends StatefulWidget {
 class _LinkDialogState extends State<_LinkDialog> {
   late String _link;
   late String _text;
-  late RegExp linkRegExp;
+
+  RegExp get linkRegExp {
+    return widget.linkRegExp ?? AutoFormatMultipleLinksRule.oneLineLinkRegExp;
+  }
+
   late TextEditingController _linkController;
   late TextEditingController _textController;
 
@@ -245,7 +248,6 @@ class _LinkDialogState extends State<_LinkDialog> {
     super.initState();
     _link = widget.link ?? '';
     _text = widget.text ?? '';
-    linkRegExp = widget.linkRegExp ?? AutoFormatMultipleLinksRule.oneLineRegExp;
     _linkController = TextEditingController(text: _link);
     _textController = TextEditingController(text: _text);
   }

lib/src/widgets/toolbar/buttons/link_style2.dart

@@ -5,9 +5,11 @@ import 'package:url_launcher/link.dart';
 import '../../../../extensions.dart'
     show UtilityWidgets, AutoFormatMultipleLinksRule;
 import '../../../../translations.dart';
+import '../../../models/config/toolbar/buttons/link_style2.dart';
 import '../../../models/documents/attribute.dart';
 import '../../../models/themes/quill_dialog_theme.dart';
 import '../../../models/themes/quill_icon_theme.dart';
+import '../../../utils/extensions/build_context.dart';
 import '../../controller.dart';
 import '../../link.dart';
 import '../base_toolbar.dart';
@@ -16,60 +18,20 @@ import '../base_toolbar.dart';
 /// customization
 /// and uses dialog similar to one which is used on [http://quilljs.com].
 class QuillToolbarLinkStyleButton2 extends StatefulWidget {
-  const QuillToolbarLinkStyleButton2({
+  QuillToolbarLinkStyleButton2({
     required this.controller,
-    this.icon,
-    this.iconSize = kDefaultIconSize,
-    this.iconTheme,
-    this.dialogTheme,
-    this.afterButtonPressed,
-    this.tooltip,
-    this.constraints,
-    this.addLinkLabel,
-    this.editLinkLabel,
-    this.linkColor,
-    this.childrenSpacing = 16.0,
-    this.autovalidateMode = AutovalidateMode.disabled,
-    this.validationMessage,
-    this.buttonSize,
-    this.dialogBarrierColor = Colors.black54,
-    Key? key,
-  })  : assert(addLinkLabel == null || addLinkLabel.length > 0),
-        assert(editLinkLabel == null || editLinkLabel.length > 0),
-        assert(childrenSpacing > 0),
-        assert(validationMessage == null || validationMessage.length > 0),
-        super(key: key);
+    required this.options,
+    super.key,
+  })  : assert(options.addLinkLabel == null ||
+            (options.addLinkLabel?.isNotEmpty ?? true)),
+        assert(options.editLinkLabel == null ||
+            (options.editLinkLabel?.isNotEmpty ?? true)),
+        assert(options.childrenSpacing > 0),
+        assert(options.validationMessage == null ||
+            (options.validationMessage?.isNotEmpty ?? true));
 
   final QuillController controller;
-  final IconData? icon;
-  final double iconSize;
-  final QuillIconTheme? iconTheme;
-  final QuillDialogTheme? dialogTheme;
-  final VoidCallback? afterButtonPressed;
-  final String? tooltip;
-
-  /// The constrains for dialog.
-  final BoxConstraints? constraints;
-
-  /// The text of label in link add mode.
-  final String? addLinkLabel;
-
-  /// The text of label in link edit mode.
-  final String? editLinkLabel;
-
-  /// The color of URL.
-  final Color? linkColor;
-
-  /// The margin between child widgets in the dialog.
-  final double childrenSpacing;
-
-  final AutovalidateMode autovalidateMode;
-  final String? validationMessage;
-
-  /// The size of dialog buttons.
-  final Size? buttonSize;
-
-  final Color dialogBarrierColor;
+  final QuillToolbarLinkStyleButton2Options options;
 
   @override
   State<QuillToolbarLinkStyleButton2> createState() =>
@@ -99,30 +61,101 @@ class _QuillToolbarLinkStyleButton2State
     }
   }
 
+  QuillController get controller {
+    return widget.controller;
+  }
+
+  QuillToolbarLinkStyleButton2Options get options {
+    return widget.options;
+  }
+
+  double get iconSize {
+    final baseFontSize = baseButtonExtraOptions.globalIconSize;
+    final iconSize = options.iconSize;
+    return iconSize ?? baseFontSize;
+  }
+
+  VoidCallback? get afterButtonPressed {
+    return options.afterButtonPressed ??
+        baseButtonExtraOptions.afterButtonPressed;
+  }
+
+  QuillIconTheme? get iconTheme {
+    return options.iconTheme ?? baseButtonExtraOptions.iconTheme;
+  }
+
+  QuillToolbarBaseButtonOptions get baseButtonExtraOptions {
+    return context.requireQuillToolbarBaseButtonOptions;
+  }
+
+  String get tooltip {
+    return options.tooltip ??
+        baseButtonExtraOptions.tooltip ??
+        'Insert URL'.i18n;
+  }
+
+  IconData get iconData {
+    return options.iconData ?? baseButtonExtraOptions.iconData ?? Icons.link;
+  }
+
+  Color get dialogBarrierColor {
+    return options.dialogBarrierColor ??
+        context.requireQuillSharedConfigurations.dialogBarrierColor;
+  }
+
   @override
   Widget build(BuildContext context) {
+    final childBuilder =
+        options.childBuilder ?? baseButtonExtraOptions.childBuilder;
+    if (childBuilder != null) {
+      return childBuilder(
+        QuillToolbarLinkStyleButton2Options(
+          iconData: iconData,
+          addLinkLabel: options.addLinkLabel,
+          afterButtonPressed: options.afterButtonPressed,
+          autovalidateMode: options.autovalidateMode,
+          buttonSize: options.buttonSize,
+          childrenSpacing: options.childrenSpacing,
+          dialogBarrierColor: dialogBarrierColor,
+          dialogTheme: options.dialogTheme,
+          iconSize: iconSize,
+          constraints: options.constraints,
+          tooltip: tooltip,
+          iconTheme: iconTheme,
+          editLinkLabel: options.editLinkLabel,
+          validationMessage: options.validationMessage,
+          linkColor: options.linkColor,
+        ),
+        QuillToolbarLinkStyleButton2ExtraOptions(
+          controller: controller,
+          context: context,
+          onPressed: () {
+            _openLinkDialog();
+            afterButtonPressed?.call();
+          },
+        ),
+      );
+    }
     final theme = Theme.of(context);
     final isToggled = _getLinkAttributeValue() != null;
     return QuillToolbarIconButton(
-      tooltip: widget.tooltip,
+      tooltip: tooltip,
       highlightElevation: 0,
       hoverElevation: 0,
-      size: widget.iconSize * kIconButtonFactor,
+      size: iconSize * kIconButtonFactor,
       icon: Icon(
-        widget.icon ?? Icons.link,
-        size: widget.iconSize,
+        iconData,
+        size: iconSize,
         color: isToggled
-            ? (widget.iconTheme?.iconSelectedColor ??
-                theme.primaryIconTheme.color)
-            : (widget.iconTheme?.iconUnselectedColor ?? theme.iconTheme.color),
+            ? (iconTheme?.iconSelectedColor ?? theme.primaryIconTheme.color)
+            : (iconTheme?.iconUnselectedColor ?? theme.iconTheme.color),
       ),
       fillColor: isToggled
-          ? (widget.iconTheme?.iconSelectedFillColor ??
-              Theme.of(context).primaryColor)
-          : (widget.iconTheme?.iconUnselectedFillColor ?? theme.canvasColor),
-      borderRadius: widget.iconTheme?.borderRadius ?? 2,
+          ? (iconTheme?.iconSelectedFillColor ?? theme.primaryColor)
+          : (iconTheme?.iconUnselectedFillColor ?? theme.canvasColor),
+      borderRadius: iconTheme?.borderRadius ?? 2,
       onPressed: _openLinkDialog,
-      afterPressed: widget.afterButtonPressed,
+      afterPressed: afterButtonPressed,
     );
   }
 
@@ -131,19 +164,19 @@ class _QuillToolbarLinkStyleButton2State
 
     final textLink = await showDialog<QuillTextLink>(
       context: context,
-      barrierColor: widget.dialogBarrierColor,
+      barrierColor: dialogBarrierColor,
       builder: (_) => LinkStyleDialog(
-        dialogTheme: widget.dialogTheme,
+        dialogTheme: options.dialogTheme,
         text: initialTextLink.text,
         link: initialTextLink.link,
-        constraints: widget.constraints,
-        addLinkLabel: widget.addLinkLabel,
-        editLinkLabel: widget.editLinkLabel,
-        linkColor: widget.linkColor,
-        childrenSpacing: widget.childrenSpacing,
-        autovalidateMode: widget.autovalidateMode,
-        validationMessage: widget.validationMessage,
-        buttonSize: widget.buttonSize,
+        constraints: options.constraints,
+        addLinkLabel: options.addLinkLabel,
+        editLinkLabel: options.editLinkLabel,
+        linkColor: options.linkColor,
+        childrenSpacing: options.childrenSpacing,
+        autovalidateMode: options.autovalidateMode,
+        validationMessage: options.validationMessage,
+        buttonSize: options.buttonSize,
       ),
     );
 
@@ -166,7 +199,7 @@ class _QuillToolbarLinkStyleButton2State
 
 class LinkStyleDialog extends StatefulWidget {
   const LinkStyleDialog({
-    Key? key,
+    super.key,
     this.text,
     this.link,
     this.dialogTheme,
@@ -183,8 +216,7 @@ class LinkStyleDialog extends StatefulWidget {
   })  : assert(addLinkLabel == null || addLinkLabel.length > 0),
         assert(editLinkLabel == null || editLinkLabel.length > 0),
         assert(childrenSpacing > 0),
-        assert(validationMessage == null || validationMessage.length > 0),
-        super(key: key);
+        assert(validationMessage == null || validationMessage.length > 0);
 
   final String? text;
   final String? link;
@@ -387,7 +419,7 @@ class _LinkStyleDialogState extends State<LinkStyleDialog> {
 
   String? _validateLink(String? value) {
     if ((value?.isEmpty ?? false) ||
-        !AutoFormatMultipleLinksRule.oneLineRegExp.hasMatch(value!)) {
+        !AutoFormatMultipleLinksRule.oneLineLinkRegExp.hasMatch(value!)) {
       return widget.validationMessage ?? 'That is not a valid URL';
     }
 

lib/src/widgets/toolbar/buttons/select_alignment.dart

@@ -60,18 +60,18 @@ class _QuillToolbarSelectAlignmentButtonState
     return widget.controller;
   }
 
-  double get iconSize {
+  double get _iconSize {
     final baseFontSize = baseButtonExtraOptions.globalIconSize;
     final iconSize = options.iconSize;
     return iconSize ?? baseFontSize;
   }
 
-  VoidCallback? get afterButtonPressed {
+  VoidCallback? get _afterButtonPressed {
     return options.afterButtonPressed ??
         baseButtonExtraOptions.afterButtonPressed;
   }
 
-  QuillIconTheme? get iconTheme {
+  QuillIconTheme? get _iconTheme {
     return options.iconTheme ?? baseButtonExtraOptions.iconTheme;
   }
 
@@ -191,25 +191,42 @@ class _QuillToolbarSelectAlignmentButtonState
     final childBuilder =
         options.childBuilder ?? baseButtonExtraOptions.childBuilder;
 
-    if (childBuilder != null) {
-      throw UnsupportedError(
-        'Sorry but the `childBuilder` for the Select alignment buttons'
-        ' is not supported. Yet but we will work on that soon.',
-      );
+    void _sharedOnPressed(int index) {
+      _valueAttribute[index] == Attribute.leftAlignment
+          ? controller.formatSelection(
+              Attribute.clone(Attribute.align, null),
+            )
+          : controller.formatSelection(_valueAttribute[index]);
+      _afterButtonPressed?.call();
     }
 
-    final theme = Theme.of(context);
-
     return Row(
       mainAxisSize: MainAxisSize.min,
       children: List.generate(buttonCount, (index) {
+        if (childBuilder != null) {
+          return childBuilder(
+            QuillToolbarSelectAlignmentButtonOptions(
+              afterButtonPressed: _afterButtonPressed,
+              iconSize: _iconSize,
+              iconTheme: _iconTheme,
+              tooltips: _tooltips,
+              iconsData: _iconsData,
+            ),
+            QuillToolbarSelectAlignmentButtonExtraOptions(
+              context: context,
+              controller: controller,
+              onPressed: () => _sharedOnPressed(index),
+            ),
+          );
+        }
+        final theme = Theme.of(context);
         return Padding(
           padding: widget.padding ??
               const EdgeInsets.symmetric(horizontal: !kIsWeb ? 1.0 : 5.0),
           child: ConstrainedBox(
             constraints: BoxConstraints.tightFor(
-              width: iconSize * kIconButtonFactor,
-              height: iconSize * kIconButtonFactor,
+              width: _iconSize * kIconButtonFactor,
+              height: _iconSize * kIconButtonFactor,
             ),
             child: UtilityWidgets.maybeTooltip(
               message: _valueString[index] == Attribute.leftAlignment.value
@@ -226,19 +243,12 @@ class _QuillToolbarSelectAlignmentButtonState
                 visualDensity: VisualDensity.compact,
                 shape: RoundedRectangleBorder(
                     borderRadius:
-                        BorderRadius.circular(iconTheme?.borderRadius ?? 2)),
+                        BorderRadius.circular(_iconTheme?.borderRadius ?? 2)),
                 fillColor: _valueToText[_value] == _valueString[index]
-                    ? (iconTheme?.iconSelectedFillColor ??
-                        Theme.of(context).primaryColor)
-                    : (iconTheme?.iconUnselectedFillColor ?? theme.canvasColor),
-                onPressed: () {
-                  _valueAttribute[index] == Attribute.leftAlignment
-                      ? controller.formatSelection(
-                          Attribute.clone(Attribute.align, null),
-                        )
-                      : controller.formatSelection(_valueAttribute[index]);
-                  afterButtonPressed?.call();
-                },
+                    ? (_iconTheme?.iconSelectedFillColor ?? theme.primaryColor)
+                    : (_iconTheme?.iconUnselectedFillColor ??
+                        theme.canvasColor),
+                onPressed: () => _sharedOnPressed(index),
                 child: Icon(
                   _valueString[index] == Attribute.leftAlignment.value
                       ? _iconsData.leftAlignment
@@ -248,11 +258,11 @@ class _QuillToolbarSelectAlignmentButtonState
                                   Attribute.rightAlignment.value
                               ? _iconsData.rightAlignment
                               : _iconsData.justifyAlignment,
-                  size: iconSize,
+                  size: _iconSize,
                   color: _valueToText[_value] == _valueString[index]
-                      ? (iconTheme?.iconSelectedColor ??
+                      ? (_iconTheme?.iconSelectedColor ??
                           theme.primaryIconTheme.color)
-                      : (iconTheme?.iconUnselectedColor ??
+                      : (_iconTheme?.iconUnselectedColor ??
                           theme.iconTheme.color),
                 ),
               ),

lib/src/widgets/toolbar/buttons/select_header_style.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 
 import '../../../../extensions.dart';
@@ -90,10 +91,20 @@ class _QuillToolbarSelectHeaderStyleButtonsState
     afterButtonPressed?.call();
   }
 
+  List<Attribute> get _attrbuites {
+    return options.attributes ??
+        const [
+          Attribute.header,
+          Attribute.h1,
+          Attribute.h2,
+          Attribute.h3,
+        ];
+  }
+
   @override
   Widget build(BuildContext context) {
     assert(
-      options.attributes.every(
+      _attrbuites.every(
         (element) => _valueToText.keys.contains(element),
       ),
       'All attributes must be one of them: header, h1, h2 or h3',
@@ -107,19 +118,28 @@ class _QuillToolbarSelectHeaderStyleButtonsState
     final childBuilder =
         options.childBuilder ?? baseButtonExtraOptions.childBuilder;
 
+    final children = _attrbuites.map((attribute) {
       if (childBuilder != null) {
-      throw UnsupportedError(
-        'Sorry but the `childBuilder` for the Select header button'
-        ' is not supported. Yet but we will work on that soon.',
+        return childBuilder(
+          QuillToolbarSelectHeaderStyleButtonsOptions(
+            afterButtonPressed: afterButtonPressed,
+            attributes: _attrbuites,
+            axis: axis,
+            iconSize: iconSize,
+            iconTheme: iconTheme,
+            tooltip: tooltip,
+          ),
+          QuillToolbarSelectHeaderStyleButtonExtraOptions(
+            controller: controller,
+            context: context,
+            onPressed: () => _sharedOnPressed(attribute),
+          ),
         );
       }
       final theme = Theme.of(context);
-
-    final children = options.attributes.map((attribute) {
       final isSelected = _selectedAttribute == attribute;
       return Padding(
-        // Do we really need to ignore (prefer_const_constructors)??
-        padding: EdgeInsets.symmetric(horizontal: !isWeb() ? 1.0 : 5.0),
+        padding: const EdgeInsets.symmetric(horizontal: !kIsWeb ? 1.0 : 5.0),
         child: ConstrainedBox(
           constraints: BoxConstraints.tightFor(
             width: iconSize * kIconButtonFactor,
@@ -136,12 +156,14 @@ class _QuillToolbarSelectHeaderStyleButtonsState
                   borderRadius:
                       BorderRadius.circular(iconTheme?.borderRadius ?? 2)),
               fillColor: isSelected
-                  ? (iconTheme?.iconSelectedFillColor ??
-                      Theme.of(context).primaryColor)
+                  ? (iconTheme?.iconSelectedFillColor ?? theme.primaryColor)
                   : (iconTheme?.iconUnselectedFillColor ?? theme.canvasColor),
               onPressed: () => _sharedOnPressed(attribute),
               child: Text(
-                _valueToText[attribute] ?? '',
+                _valueToText[attribute] ??
+                    (throw ArgumentError.notNull(
+                      'attrbuite',
+                    )),
                 style: style.copyWith(
                   color: isSelected
                       ? (iconTheme?.iconSelectedColor ??