setSourceModel(model);
connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(source_rowsInserted(const QModelIndex &, int, int)));
setSourceModel(model);
connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(source_rowsInserted(const QModelIndex &, int, int)));