Merge pull request #854 from GetStream/mip-duw

fix(ui): added mip didUpdateWidget for focusnode

packages/stream_chat_flutter/CHANGELOG.md

@@ -12,6 +12,10 @@
 
 - Videos can now be auto-played in `FullScreenMedia`
 
+🔄 Changed
+
+- Add `didUpdateWidget` override in `MessageInput` widget to handle changes to `focusNode`.
+
 ## 3.3.2
 
 - Updated `stream_chat_flutter_core` dependency to [`3.3.1`](https://pub.dev/packages/stream_chat_flutter_core/changelog).

packages/stream_chat_flutter/lib/src/message_input/message_input.dart

@@ -352,7 +352,7 @@ class MessageInput extends StatefulWidget {
 class MessageInputState extends State<MessageInput>
     with RestorationMixin<MessageInput> {
   final _imagePicker = ImagePicker();
-  late final _focusNode = widget.focusNode ?? FocusNode();
+  late FocusNode _focusNode = widget.focusNode ?? FocusNode();
   bool _inputEnabled = true;
   bool get _commandEnabled => _effectiveController.value.command != null;
   bool _showCommandsOverlay = false;
@@ -398,11 +398,7 @@ class MessageInputState extends State<MessageInput>
     if (widget.messageInputController == null) {
       _createLocalController();
     } else {
-      _effectiveController.textEditingController
+      _initialiseEffectiveController();
-          .removeListener(_onChangedDebounced);
-      _effectiveController.textEditingController
-          .addListener(_onChangedDebounced);
-      if (!_isEditing && _timeOut <= 0) _startSlowMode();
     }
     _focusNode.addListener(_focusNodeListener);
   }
@@ -418,6 +414,14 @@ class MessageInputState extends State<MessageInput>
       unregisterFromRestoration(_controller!);
       _controller!.dispose();
       _controller = null;
+      _initialiseEffectiveController();
+    }
+
+    // Update _focusNode
+    if (widget.focusNode != null && oldWidget.focusNode != widget.focusNode) {
+      _focusNode.removeListener(_focusNodeListener);
+      _focusNode = widget.focusNode!;
+      _focusNode.addListener(_focusNodeListener);
     }
   }
 
@@ -440,6 +444,13 @@ class MessageInputState extends State<MessageInput>
   int _timeOut = 0;
   Timer? _slowModeTimer;
 
+  void _initialiseEffectiveController() {
+    _effectiveController.textEditingController
+        .removeListener(_onChangedDebounced);
+    _effectiveController.textEditingController.addListener(_onChangedDebounced);
+    if (!_isEditing && _timeOut <= 0) _startSlowMode();
+  }
+
   void _startSlowMode() {
     if (!mounted) {
       return;