add enableUnfocusOnTapOutside field to RawEditor and Editor widgets (#1177)

lib/src/widgets/editor.dart

@@ -182,6 +182,7 @@ class QuillEditor extends StatefulWidget {
       this.customShortcuts,
       this.customActions,
       this.detectWordBoundary = true,
+      this.enableUnfocusOnTapOutside = true,
       this.customLinkPrefixes = const <String>[],
       Key? key})
       : super(key: key);
@@ -246,6 +247,9 @@ class QuillEditor extends StatefulWidget {
   /// Defaults to `false`. Cannot be `null`.
   final bool autoFocus;
 
+  /// Whether focus should be revoked on tap outside the editor.
+  final bool enableUnfocusOnTapOutside;
+
   /// Whether to show cursor.
   ///
   /// The cursor refers to the blinking caret when the editor is focused.
@@ -506,6 +510,7 @@ class QuillEditorState extends State<QuillEditor>
       customShortcuts: widget.customShortcuts,
       customActions: widget.customActions,
       customLinkPrefixes: widget.customLinkPrefixes,
+      enableUnfocusOnTapOutside: widget.enableUnfocusOnTapOutside,
     );
 
     final editor = I18n(

lib/src/widgets/raw_editor.dart

@@ -72,6 +72,7 @@ class RawEditor extends StatefulWidget {
       this.customActions,
       this.expands = false,
       this.autoFocus = false,
+      this.enableUnfocusOnTapOutside = true,
       this.keyboardAppearance = Brightness.light,
       this.enableInteractiveSelection = true,
       this.scrollPhysics,
@@ -95,6 +96,7 @@ class RawEditor extends StatefulWidget {
   final ScrollController scrollController;
   final bool scrollable;
   final double scrollBottomInset;
+  final bool enableUnfocusOnTapOutside;
 
   /// Additional space around the editor contents.
   final EdgeInsetsGeometry padding;
@@ -494,6 +496,7 @@ class RawEditorState extends EditorState
             maxHeight: widget.maxHeight ?? double.infinity);
 
     return TextFieldTapRegion(
+      enabled: widget.enableUnfocusOnTapOutside,
       onTapOutside: _defaultOnTapOutside,
       child: QuillStyles(
         data: _styles!,