Widgets Layout in a QToolBar.

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Hi to all,
I've inserted, via code, a QLabel and QLineEdit in a QToolBar as showed in the next screenshot:



but I'd like to line up vertically both QLabel and QLineEdit:



so I've tried the following code:

void frmEntUsc::creaToolBar()
{
   QLabel * lblRicerca;
   lblRicerca = new QLabel();
   lblRicerca->setText(QString::fromUtf8("Ricerca per Data: "));
   lblRicerca->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
 
   ricData = new QDateEdit();
   ricData->setMinimumSize(QSize(100, 20));
   ricData->setMaximumSize(QSize(100, 20));
   ricData->setWrapping(false);
   ricData->setFrame(true);
   ricData->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
   ricData->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
   ricData->setAccelerated(true);
   ricData->setCalendarPopup(true);
   ricData->setDate(QDate::currentDate());
 
   ui.editToolBar->insertWidget(ui.action_Ricerca, lblRicerca);
   ui.editToolBar->insertWidget(ui.action_Ricerca, ricData);
   ui.editToolBar->insertSeparator(ui.action_Stampa);
 
   vLayout = new QVBoxLayout();
   vLayout->addWidget(lblRicerca);
   vLayout->addWidget(ricData);
 
   connect(ui.action_Ricerca, SIGNAL(triggered()),
      this, SLOT(appFiltro()));
 
   connect(ricData, SIGNAL(dateChanged(QDate)),
      this, SLOT(cambioData(QDate)));
}

void frmEntUsc::creaToolBar()
{
   QLabel * lblRicerca;
   lblRicerca = new QLabel();
   lblRicerca->setText(QString::fromUtf8("Ricerca per Data: "));
   lblRicerca->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);

   ricData = new QDateEdit();
   ricData->setMinimumSize(QSize(100, 20));
   ricData->setMaximumSize(QSize(100, 20));
   ricData->setWrapping(false);
   ricData->setFrame(true);
   ricData->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
   ricData->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
   ricData->setAccelerated(true);
   ricData->setCalendarPopup(true);
   ricData->setDate(QDate::currentDate());

   ui.editToolBar->insertWidget(ui.action_Ricerca, lblRicerca);
   ui.editToolBar->insertWidget(ui.action_Ricerca, ricData);
   ui.editToolBar->insertSeparator(ui.action_Stampa);

   vLayout = new QVBoxLayout();
   vLayout->addWidget(lblRicerca);
   vLayout->addWidget(ricData);

   connect(ui.action_Ricerca, SIGNAL(triggered()),
      this, SLOT(appFiltro()));

   connect(ricData, SIGNAL(dateChanged(QDate)),
      this, SLOT(cambioData(QDate)));
}

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but nothing happened!!!
How can I line up those widgets?