Basic menu item for message replies.

src/messages.json

@@ -285,6 +285,7 @@
     "menu_item_info": "Info",
     "menu_item_member_delete": "Remove",
     "menu_item_mute": "Mute",
+    "menu_item_reply": "Reply",
     "menu_item_send_retry": "Retry",
     "menu_item_unblock": "Unblock",
     "menu_item_unmute": "Unmute",

src/widgets/chat-message.jsx

@@ -60,6 +60,10 @@ export default class ChatMessage extends React.Component {
     e.preventDefault();
     e.stopPropagation();
     const menuItems = this.props.received == Tinode.MESSAGE_STATUS_FAILED ? ['menu_item_send_retry'] : [];
+    if (this.props.received >= Tinode.MESSAGE_STATUS_FAILED &&
+        this.props.received < Tinode.MESSAGE_STATUS_DEL_RANGE) {
+      menuItems.push('menu_item_reply');
+    }
     this.props.showContextMenu({ seq: this.props.seq, content: this.props.content,
                                  y: e.pageY, x: e.pageX }, menuItems);
   }

src/widgets/context-menu.jsx

@@ -47,6 +47,11 @@ const messages = defineMessages({
     defaultMessage: 'Unmute',
     description: 'Turn notifications on'
   },
+  reply: {
+    id: 'menu_item_reply',
+    defaultMessage: 'Reply',
+    description: 'Reply to message'
+  },
   topic_delete: {
     id: 'menu_item_delete_topic',
     defaultMessage: 'Delete',
@@ -166,6 +171,13 @@ class ContextMenu extends React.Component {
           return this.retryMessage(params, errorHandler);
         }
       },
+      'menu_item_reply': {
+        id: 'menu_item_reply',
+        title: formatMessage(messages.reply),
+        handler: (params, errorHandler) => {
+          return this.replyToMessage(params, errorHandler);
+        }
+      },
       'topic_unmute': {
         id: 'topic_unmute',
         title: formatMessage(messages.unmute),
@@ -373,6 +385,10 @@ class ContextMenu extends React.Component {
     });
   }
 
+  replyToMessage(params, errorHandler) {
+    console.log("Reply to message", params);
+  }
+
   // Function is used by context menu to set permissions.
   topicPermissionSetter(mode, params, errorHandler) {
     const topic = this.props.tinode.getTopic(params.topicName);