🐛 Fix chat newline on desktop

lib/widgets/chat/chat_input.dart

@@ -1,7 +1,5 @@
 import "dart:async";
-import "dart:io";
 import "package:easy_localization/easy_localization.dart";
-import "package:flutter/foundation.dart";
 import "package:flutter/material.dart";
 import "package:flutter/services.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
@@ -56,10 +54,6 @@ class ChatInput extends HookConsumerWidget {
   Widget build(BuildContext context, WidgetRef ref) {
     final inputFocusNode = useFocusNode();
 
-    final enterToSend = ref.watch(appSettingsNotifierProvider).enterToSend;
-
-    final isMobile = !kIsWeb && (Platform.isAndroid || Platform.isIOS);
-
     void send() {
       onSend.call();
       WidgetsBinding.instance.addPostFrameCallback((_) {
@@ -67,6 +61,18 @@ class ChatInput extends HookConsumerWidget {
       });
     }
 
+    void insertNewLine() {
+      final text = messageController.text;
+      final selection = messageController.selection;
+      final start = selection.start >= 0 ? selection.start : text.length;
+      final end = selection.end >= 0 ? selection.end : text.length;
+      final newText = text.replaceRange(start, end, '\n');
+      messageController.value = TextEditingValue(
+        text: newText,
+        selection: TextSelection.collapsed(offset: start + 1),
+      );
+    }
+
     Future<void> handlePaste() async {
       final clipboard = await Pasteboard.image;
       if (clipboard == null) return;
@@ -80,32 +86,34 @@ class ChatInput extends HookConsumerWidget {
       ]);
     }
 
-    void handleKeyPress(
-      BuildContext context,
-      WidgetRef ref,
-      RawKeyEvent event,
-    ) {
-      if (event is! RawKeyDownEvent) return;
+    inputFocusNode.onKeyEvent = (node, event) {
+      if (event is! KeyDownEvent) return KeyEventResult.ignored;
 
       final isPaste = event.logicalKey == LogicalKeyboardKey.keyV;
-      final isModifierPressed = event.isMetaPressed || event.isControlPressed;
+      final isModifierPressed =
+          HardwareKeyboard.instance.isMetaPressed ||
+          HardwareKeyboard.instance.isControlPressed;
 
       if (isPaste && isModifierPressed) {
         handlePaste();
-        return;
+        return KeyEventResult.handled;
       }
 
       final enterToSend = ref.read(appSettingsNotifierProvider).enterToSend;
       final isEnter = event.logicalKey == LogicalKeyboardKey.enter;
 
       if (isEnter) {
-        if (enterToSend && !isModifierPressed) {
-          send();
-        } else if (!enterToSend && isModifierPressed) {
+        if (isModifierPressed) {
+          insertNewLine();
+          return KeyEventResult.handled;
+        } else if (enterToSend) {
           send();
+          return KeyEventResult.handled;
         }
       }
-    }
+
+      return KeyEventResult.ignored;
+    };
 
     return Material(
       elevation: 8,
@@ -260,32 +268,10 @@ class ChatInput extends HookConsumerWidget {
                   ],
                 ),
                 Expanded(
-                  child: RawKeyboardListener(
-                    focusNode: FocusNode(),
-                    onKey: (event) => handleKeyPress(context, ref, event),
                   child: TextField(
                     focusNode: inputFocusNode,
                     controller: messageController,
-                      onSubmitted:
-                          (enterToSend && isMobile)
-                              ? (_) {
-                                send();
-                              }
-                              : null,
-                      keyboardType:
-                          (enterToSend && isMobile)
-                              ? TextInputType.text
-                              : TextInputType.multiline,
-                      textInputAction: TextInputAction.send,
-                      inputFormatters: [
-                        if (enterToSend && !isMobile)
-                          TextInputFormatter.withFunction((oldValue, newValue) {
-                            if (newValue.text.endsWith('\n')) {
-                              return oldValue;
-                            }
-                            return newValue;
-                          }),
-                      ],
+                    keyboardType: TextInputType.multiline,
                     decoration: InputDecoration(
                       hintText:
                           (chatRoom.type == 1 && chatRoom.name == null)
@@ -314,7 +300,6 @@ class ChatInput extends HookConsumerWidget {
                         (_) => FocusManager.instance.primaryFocus?.unfocus(),
                   ),
                 ),
-                ),
                 IconButton(
                   icon: const Icon(Icons.send),
                   color: Theme.of(context).colorScheme.primary,