2 files changed, 13 insertions, 3 deletions

diff --git a/room.cpp b/room.cpp
index 772d9f58..dab30749 100644
--- a/room.cpp
+++ b/room.cpp
@@ -324,6 +324,11 @@ QString Room::roomMembername(User *u) const
     return username % " <" % u->id() % ">";
 }
 
+QString Room::roomMembername(QString userId) const
+{
+    return roomMembername(connection()->user(userId));
+}
+
 void Room::addMessage(Event* event)
 {
     processMessageEvent(event);
@@ -398,7 +403,7 @@ void Room::Private::getPreviousContent()
     }
 }
 
-Connection* Room::connection()
+Connection* Room::connection() const
 {
     return d->connection;
 }
diff --git a/room.h b/room.h
index 831b5382..0f7967fb 100644
--- a/room.h
+++ b/room.h
@@ -55,9 +55,14 @@ namespace QMatrixClient
 
             /**
              * @brief Produces a disambiguated name for a given user in
-             * the context of the room.
+             * the context of the room
              */
             Q_INVOKABLE QString roomMembername(User* u) const;
+            /**
+             * @brief Produces a disambiguated name for a user with this id in
+             * the context of the room
+             */
+            Q_INVOKABLE QString roomMembername(QString userId) const;
 
             Q_INVOKABLE void addMessage( Event* event );
             Q_INVOKABLE void addInitialState( State* state );
@@ -95,7 +100,7 @@ namespace QMatrixClient
             void notificationCountChanged(Room* room);
 
         protected:
-            Connection* connection();
+            Connection* connection() const;
             virtual void processMessageEvent(Event* event);
             virtual void processStateEvent(Event* event);
             virtual void processEphemeralEvent(Event* event);