Add windows and macOS support

lib/html_editor.dart

@@ -1,25 +1,19 @@
 library html_editor;
 
+export 'package:flutter_inappwebview/flutter_inappwebview.dart';
+export 'package:html_editor_enhanced/src/html_editor.dart'
+    if (dart.library.html) 'package:html_editor_enhanced/src/html_editor_web.dart';
+export 'package:html_editor_enhanced/src/html_editor_controller.dart'
+    if (dart.library.html) 'package:html_editor_enhanced/src/html_editor_controller_web.dart';
 export 'package:html_editor_enhanced/src/widgets/toolbar_widget.dart';
 export 'package:html_editor_enhanced/utils/callbacks.dart';
-export 'package:html_editor_enhanced/utils/toolbar.dart';
-export 'package:html_editor_enhanced/utils/plugins.dart';
 export 'package:html_editor_enhanced/utils/file_upload_model.dart';
 export 'package:html_editor_enhanced/utils/options.dart';
+export 'package:html_editor_enhanced/utils/plugins.dart';
+export 'package:html_editor_enhanced/utils/toolbar.dart';
 export 'package:html_editor_enhanced/utils/utils.dart'
     hide setState, intersperse, getRandString;
 
-export 'package:html_editor_enhanced/src/html_editor_unsupported.dart'
-    if (dart.library.html) 'package:html_editor_enhanced/src/html_editor_web.dart'
-    if (dart.library.io) 'package:html_editor_enhanced/src/html_editor_mobile.dart';
-
-export 'package:html_editor_enhanced/src/html_editor_controller_unsupported.dart'
-    if (dart.library.html) 'package:html_editor_enhanced/src/html_editor_controller_web.dart'
-    if (dart.library.io) 'package:html_editor_enhanced/src/html_editor_controller_mobile.dart';
-
-export 'package:html_editor_enhanced/utils/shims/flutter_inappwebview_fake.dart'
-    if (dart.library.io) 'package:flutter_inappwebview/flutter_inappwebview.dart';
-
 /// Defines the 3 different cases for file insertion failing
 enum UploadError { unsupportedFile, exceededMaxSize, jsException }
 

lib/src/html_editor_mobile.dart → lib/src/html_editor.dart

@@ -1,9 +1,9 @@
-import 'package:html_editor_enhanced/html_editor.dart'
-    hide HtmlEditorController;
-import 'package:html_editor_enhanced/src/html_editor_controller_mobile.dart';
-import 'package:html_editor_enhanced/src/widgets/html_editor_widget_mobile.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:html_editor_enhanced/html_editor.dart'
+    hide HtmlEditorController;
+import 'package:html_editor_enhanced/src/html_editor_controller.dart';
+import 'package:html_editor_enhanced/src/widgets/html_editor_widget.dart';
 
 /// HtmlEditor class for mobile
 class HtmlEditor extends StatelessWidget {

lib/src/html_editor_controller_mobile.dart → lib/src/html_editor_controller.dart

@@ -1,11 +1,12 @@
+import 'dart:io';
+
 import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 import 'package:html_editor_enhanced/html_editor.dart';
 import 'package:html_editor_enhanced/src/html_editor_controller_unsupported.dart'
     as unsupported;
 
-/// Controller for mobile
+/// Controller for desktop and mobile
 class HtmlEditorController extends unsupported.HtmlEditorController {
   HtmlEditorController({
     this.processInputHtml = true,
@@ -58,9 +59,33 @@ class HtmlEditorController extends unsupported.HtmlEditorController {
   /// A function to quickly call a document.execCommand function in a readable format
   @override
   void execCommand(String command, {String? argument}) {
-    _evaluateJavascript(
-        source:
-            "document.execCommand('$command', false${argument == null ? "" : ", '$argument'"});");
+    if (Platform.isMacOS || Platform.isWindows || Platform.isLinux) {
+      _evaluateJavascript(source: """
+        try {
+          var editor = \$('#summernote-2');
+          var context = editor.data('summernote');
+
+          if (context && context.invoke) {
+            // Try to restore the saved range first
+            try {
+              context.invoke('editor.restoreRange');
+            } catch (e) {
+              console.log('No saved range to restore');
+            }
+          }
+
+          // Apply bold formatting
+          document.execCommand('$command', false${argument == null ? "" : ", '$argument'"});
+        } catch (error) {
+          // Fallback to document.execCommand
+          document.execCommand('$command', false${argument == null ? "" : ", '$argument'"});
+        }
+    """);
+    } else {
+      _evaluateJavascript(source: """
+          document.execCommand('$command', false${argument == null ? "" : ", '$argument'"});
+      """);
+    }
   }
 
   /// Gets the text from the editor and returns it as a [String].

lib/src/html_editor_web.dart

@@ -1,7 +1,7 @@
-import 'package:html_editor_enhanced/html_editor.dart';
-import 'package:html_editor_enhanced/src/widgets/html_editor_widget_web.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:html_editor_enhanced/html_editor.dart';
+import 'package:html_editor_enhanced/src/widgets/html_editor_widget_web.dart';
 
 /// HtmlEditor class for web
 class HtmlEditor extends StatelessWidget {

lib/src/widgets/html_editor_widget_mobile.dart → lib/src/widgets/html_editor_widget.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:collection';
 import 'dart:math';
 
 import 'package:flutter/foundation.dart';
@@ -13,7 +12,7 @@ import 'package:html_editor_enhanced/html_editor.dart'
 import 'package:html_editor_enhanced/utils/utils.dart';
 import 'package:visibility_detector/visibility_detector.dart';
 
-/// The HTML Editor widget itself, for mobile (uses InAppWebView)
+/// The HTML Editor widget itself (uses InAppWebView)
 class HtmlEditorWidget extends StatefulWidget {
   HtmlEditorWidget({
     Key? key,
@@ -33,13 +32,13 @@ class HtmlEditorWidget extends StatefulWidget {
   final OtherOptions otherOptions;
 
   @override
-  _HtmlEditorWidgetMobileState createState() => _HtmlEditorWidgetMobileState();
+  _HtmlEditorWidgetState createState() => _HtmlEditorWidgetState();
 }
 
-/// State for the mobile Html editor widget
+/// State for the desktop and mobile Html editor widget
 ///
 /// A stateful widget is necessary here to allow the height to dynamically adjust.
-class _HtmlEditorWidgetMobileState extends State<HtmlEditorWidget> {
+class _HtmlEditorWidgetState extends State<HtmlEditorWidget> {
   /// Tracks whether the callbacks were initialized or not to prevent re-initializing them
   bool callbacksInitialized = false;
 
@@ -147,15 +146,13 @@ class _HtmlEditorWidgetMobileState extends State<HtmlEditorWidget> {
                     javaScriptEnabled: true,
                     transparentBackground: true,
                     useShouldOverrideUrlLoading: true,
-                    useHybridComposition: widget.htmlEditorOptions
-                        .androidUseHybridComposition,
+                    useHybridComposition:
+                        widget.htmlEditorOptions.androidUseHybridComposition,
                     loadWithOverviewMode: true,
                   ),
                   initialUserScripts:
-                      widget.htmlEditorOptions.mobileInitialScripts
-                          as UnmodifiableListView<UserScript>?,
-                  contextMenu: widget.htmlEditorOptions.mobileContextMenu
-                      as ContextMenu?,
+                      widget.htmlEditorOptions.mobileInitialScripts,
+                  contextMenu: widget.htmlEditorOptions.mobileContextMenu,
                   gestureRecognizers: {
                     Factory<VerticalDragGestureRecognizer>(
                         () => VerticalDragGestureRecognizer()),
@@ -167,8 +164,7 @@ class _HtmlEditorWidgetMobileState extends State<HtmlEditorWidget> {
                   shouldOverrideUrlLoading: (controller, action) async {
                     if (!action.request.url.toString().contains(filePath)) {
                       return (await widget.callbacks?.onNavigationRequestMobile
-                                  ?.call(action.request.url.toString()))
-                              as NavigationActionPolicy? ??
+                              ?.call(action.request.url.toString())) ??
                           NavigationActionPolicy.ALLOW;
                     }
                     return NavigationActionPolicy.ALLOW;
@@ -213,7 +209,9 @@ class _HtmlEditorWidgetMobileState extends State<HtmlEditorWidget> {
                         });
                         await setHeightJS();
                       }
-                      var visibleDecimal = await visibleStream.stream.firstWhere((_) => !visibleStream.isClosed, orElse: () => 0);
+                      var visibleDecimal = await visibleStream.stream
+                          .firstWhere((_) => !visibleStream.isClosed,
+                              orElse: () => 0);
                       var newHeight = widget.otherOptions.height;
                       if (visibleDecimal > 0.1) {
                         this.setState(() {
@@ -376,11 +374,11 @@ class _HtmlEditorWidgetMobileState extends State<HtmlEditorWidget> {
                               ${widget.htmlEditorOptions.customOptions}
                               $summernoteCallbacks
                           });
-                          
+
                           \$('#summernote-2').on('summernote.change', function(_, contents, \$editable) {
                             window.flutter_inappwebview.callHandler('onChangeContent', contents);
                           });
-                      
+
                           function onSelectionChange() {
                             let {anchorNode, anchorOffset, focusNode, focusOffset} = document.getSelection();
                             var isBold = false;