QList<BufferId> filterList;
filterList.append(buf->bufferInfo().bufferId());
MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this);
_scene = new ChatScene(filter, this);
QList<BufferId> filterList;
filterList.append(buf->bufferInfo().bufferId());
MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this);
_scene = new ChatScene(filter, this);