Fix replies not reloading after fetching them

resources/qml/TimelineRow.qml

@@ -86,29 +86,29 @@ Item {
             // fancy reply, if this is a reply
             Reply {
                 function fromModel(role) {
-                    return replyTo != "" ? room.dataById(replyTo, role) : null;
+                    return replyTo != "" ? room.dataById(replyTo, role, r.eventId) : null;
                 }
 
                 visible: replyTo
-                userColor: TimelineManager.userColor(userId, Nheko.colors.base)
-                blurhash: fromModel(Room.Blurhash) ?? ""
-                body: fromModel(Room.Body) ?? ""
-                formattedBody: fromModel(Room.FormattedBody) ?? ""
+                userColor: replyTo, TimelineManager.userColor(userId, Nheko.colors.base)
+                blurhash: replyTo, fromModel(Room.Blurhash) ?? ""
+                body: replyTo, fromModel(Room.Body) ?? ""
+                formattedBody: replyTo, fromModel(Room.FormattedBody) ?? ""
                 eventId: fromModel(Room.EventId) ?? ""
-                filename: fromModel(Room.Filename) ?? ""
-                filesize: fromModel(Room.Filesize) ?? ""
-                proportionalHeight: fromModel(Room.ProportionalHeight) ?? 1
-                type: fromModel(Room.Type) ?? MtxEvent.UnknownMessage
-                typeString: fromModel(Room.TypeString) ?? ""
-                url: fromModel(Room.Url) ?? ""
-                originalWidth: fromModel(Room.OriginalWidth) ?? 0
-                isOnlyEmoji: fromModel(Room.IsOnlyEmoji) ?? false
-                userId: fromModel(Room.UserId) ?? ""
-                userName: fromModel(Room.UserName) ?? ""
-                thumbnailUrl: fromModel(Room.ThumbnailUrl) ?? ""
-                roomTopic: fromModel(Room.RoomTopic) ?? ""
-                roomName: fromModel(Room.RoomName) ?? ""
-                callType: fromModel(Room.CallType) ?? ""
+                filename: replyTo, fromModel(Room.Filename) ?? ""
+                filesize: replyTo, fromModel(Room.Filesize) ?? ""
+                proportionalHeight: replyTo, fromModel(Room.ProportionalHeight) ?? 1
+                type: replyTo, fromModel(Room.Type) ?? MtxEvent.UnknownMessage
+                typeString: replyTo, fromModel(Room.TypeString) ?? ""
+                url: replyTo, fromModel(Room.Url) ?? ""
+                originalWidth: replyTo, fromModel(Room.OriginalWidth) ?? 0
+                isOnlyEmoji: replyTo, fromModel(Room.IsOnlyEmoji) ?? false
+                userId: replyTo, fromModel(Room.UserId) ?? ""
+                userName: replyTo, fromModel(Room.UserName) ?? ""
+                thumbnailUrl: replyTo, fromModel(Room.ThumbnailUrl) ?? ""
+                roomTopic: replyTo, fromModel(Room.RoomTopic) ?? ""
+                roomName: replyTo, fromModel(Room.RoomName) ?? ""
+                callType: replyTo, fromModel(Room.CallType) ?? ""
             }
 
             // actual message content

src/timeline/TimelineModel.cpp

@@ -710,6 +710,14 @@ TimelineModel::data(const QModelIndex &index, int role) const
         return data(*event, role);
 }
 
+QVariant
+TimelineModel::dataById(QString id, int role, QString relatedTo)
+{
+        if (auto event = events.get(id.toStdString(), relatedTo.toStdString()))
+                return data(*event, role);
+        return QVariant();
+}
+
 bool
 TimelineModel::canFetchMore(const QModelIndex &) const
 {

src/timeline/TimelineModel.h

@@ -215,10 +215,7 @@ public:
         int rowCount(const QModelIndex &parent = QModelIndex()) const override;
         QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
         QVariant data(const mtx::events::collections::TimelineEvents &event, int role) const;
-        Q_INVOKABLE QVariant dataById(QString id, int role)
-        {
-                return data(index(idToIndex(id)), role);
-        }
+        Q_INVOKABLE QVariant dataById(QString id, int role, QString relatedTo);
 
         bool canFetchMore(const QModelIndex &) const override;
         void fetchMore(const QModelIndex &) override;