ios simulator cursor fix (#652)

lib/src/utils/platform.dart

@@ -1,3 +1,6 @@
+import 'dart:io';
+
+import 'package:device_info_plus/device_info_plus.dart';
 import 'package:flutter/foundation.dart';
 
 bool isMobile([TargetPlatform? targetPlatform]) {
@@ -23,3 +26,12 @@ bool isAppleOS([TargetPlatform? targetPlatform]) {
     TargetPlatform.iOS,
   }.contains(targetPlatform);
 }
+
+Future<bool> isIosSimulator() async {
+  if (Platform.isIOS) {
+    final deviceInfo = DeviceInfoPlugin();
+    final iosInfo = await deviceInfo.iosInfo;
+    return !iosInfo.isPhysicalDevice;
+  }
+  return false;
+}

lib/src/widgets/raw_editor.dart

@@ -557,13 +557,20 @@ class RawEditorState extends EditorState
     if (isKeyboardOS()) {
       _keyboardVisible = true;
     } else {
-      _keyboardVisibilityController = KeyboardVisibilityController();
-      _keyboardVisible = _keyboardVisibilityController!.isVisible;
-      _keyboardVisibilitySubscription =
-          _keyboardVisibilityController?.onChange.listen((visible) {
-        _keyboardVisible = visible;
-        if (visible) {
-          _onChangeTextEditingValue(!_hasFocus);
+      // treat iOS Simulator like a keyboard OS
+      isIosSimulator().then((isIosSimulator) {
+        if (isIosSimulator) {
+          _keyboardVisible = true;
+        } else {
+          _keyboardVisibilityController = KeyboardVisibilityController();
+          _keyboardVisible = _keyboardVisibilityController!.isVisible;
+          _keyboardVisibilitySubscription =
+              _keyboardVisibilityController?.onChange.listen((visible) {
+                _keyboardVisible = visible;
+                if (visible) {
+                  _onChangeTextEditingValue(!_hasFocus);
+                }
+              });
         }
       });
     }

pubspec.yaml

@@ -28,6 +28,7 @@ dependencies:
   diff_match_patch: ^0.4.1
   i18n_extension: ^4.2.0
   gallery_saver: ^2.3.2
+  device_info_plus: ^3.2.1
 
 dev_dependencies:
   flutter_test: