i have subclass QFileDialog
Qt Code:
  1. FileDialog::FileDialog(QWidget * parent, Qt::WindowFlags flags)
  2. : QFileDialog ( parent, flags )
  3. {
  4. setLabelText(QFileDialog::LookIn, tr("text1")); //...OK
  5. setLabelText(QFileDialog::FileName, tr("text2")); // text staying == "File name:"
  6. setLabelText(QFileDialog::FileType, tr("text3")); //...OK
  7. setLabelText(QFileDialog::Accept, tr("text4")); //...OK
  8. setLabelText(QFileDialog::Reject, tr("text5")); //...OK
  9. }
To copy to clipboard, switch view to plain text mode 
plz somebody check it - it's my bug or not
Linux, qt4.2.2