I put qDebug() but there is no output in console and my timer does not stop.

Qt Code: 
  1. QVariant TxTableModel::data(const QModelIndex & index, int role) const
  2. {
  3.     if (role == Qt::DisplayRole) {
  4.         return m_Data.getCell(index.row(), index.column());
  5.     }
  6.     if (role == Qt::SizeHintRole) {
  7.         return QSize(400, 50);
  8.     }
  9.     if (role == Qt::EditRole) {
  10.         //timer->stop();
  11.         qDebug() << "timer stop";
  12.         return m_Data.getCell(index.row(), index.column());
  13.     }
  14.     return QVariant();
  15. }
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