add secondaryCallback

Author: Henry-Hiles

packages/flutter_chat_ui/lib/src/chat.dart

@@ -50,6 +50,9 @@ class Chat extends StatefulWidget {
   /// Callback triggered when a message is long-pressed.
   final OnMessageLongPressCallback? onMessageLongPress;
 
+  /// Callback triggered when a message is right-clicked (secondary tapped).
+  final OnMessageSecondaryTapCallback? onMessageSecondaryTap;
+
   /// Callback triggered when the attachment button in the composer is tapped.
   final OnAttachmentTapCallback? onAttachmentTap;
 
@@ -79,6 +82,7 @@ class Chat extends StatefulWidget {
     this.onMessageSend,
     this.onMessageTap,
     this.onMessageLongPress,
+    this.onMessageSecondaryTap,
     this.onAttachmentTap,
     this.backgroundColor,
     this.decoration,
@@ -150,6 +154,7 @@ class _ChatState extends State<Chat> with WidgetsBindingObserver {
         Provider.value(value: widget.onMessageSend),
         Provider.value(value: widget.onMessageTap),
         Provider.value(value: widget.onMessageLongPress),
+        Provider.value(value: widget.onMessageSecondaryTap),
         Provider.value(value: widget.onAttachmentTap),
         ChangeNotifierProvider(create: (_) => ComposerHeightNotifier()),
         ChangeNotifierProvider(create: (_) => LoadMoreNotifier()),

packages/flutter_chat_ui/lib/src/chat_message/chat_message.dart

@@ -125,6 +125,8 @@ class ChatMessage extends StatelessWidget {
     final onMessageTap = context.read<OnMessageTapCallback?>();
     final onMessageDoubleTap = context.read<OnMessageDoubleTapCallback?>();
     final onMessageLongPress = context.read<OnMessageLongPressCallback?>();
+    final onMessageSecondaryTap =
+        context.read<OnMessageSecondaryTapCallback?>();
     final isSentByMe = context.read<UserID>() == message.authorId;
 
     final curvedAnimation = CurvedAnimation(
@@ -134,7 +136,7 @@ class ChatMessage extends StatelessWidget {
 
     final resolvedPadding = padding ?? _resolveDefaultPadding(context);
 
-    final Widget messageWidget = Column(
+    final messageWidget = Column(
       mainAxisSize: MainAxisSize.min,
       children: [
         if (headerWidget != null)
@@ -163,6 +165,13 @@ class ChatMessage extends StatelessWidget {
                 index: index,
                 details: details,
               ),
+          onSecondaryTapUp:
+              (details) => onMessageSecondaryTap?.call(
+                context,
+                message,
+                index: index,
+                details: details,
+              ),
           child: FadeTransition(
             opacity: curvedAnimation,
             child: SizeTransition(

packages/flutter_chat_ui/lib/src/utils/typedefs.dart

@@ -29,6 +29,17 @@ typedef OnMessageLongPressCallback =
       LongPressStartDetails details,
     });
 
+/// Callback signature for when a message is right-clicked (secondary tapped).
+/// [context] is the BuildContext from the widget tree where the long press occurs.
+/// Provides the long-pressed [message], its [index], and [LongPressStartDetails].
+typedef OnMessageSecondaryTapCallback =
+    void Function(
+      BuildContext context,
+      Message message, {
+      int index,
+      TapUpDetails details,
+    });
+
 /// Callback signature for when the user attempts to send a message.
 /// Provides the [text] entered by the user.
 typedef OnMessageSendCallback = void Function(String text);