if(!_changed || QMessageBox::question(this,
tr("Save"), tr("Do you want to save changes?"),
QMessageBox::Save, QMessageBox::Cancel) == QMessageBox::Save) {
if(!_changed || QMessageBox::question(this,
tr("Save"), tr("Do you want to save changes?"),
QMessageBox::Save, QMessageBox::Cancel) == QMessageBox::Save) {