what do you mean? this?
Qt Code: 
  1. ...
  2. void MyWidget::showNewWidget()
  3. {
  4.        MyAnotherWidget *maw  = new MyAnotherWidget(this);
  5.        maw->setAttribute(Qt::WA_DeleteOnClose);
  6.        connect(maw, SIGNAL(mySignal()), SLOT(mySlot()));
  7. }
  8. ...
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