8         QComboBox(parent), role(Qt::UserRole)
    15     return itemData(currentIndex(), 
role);
 
void handleSelectionChanged(int idx)
 
void setValue(const QVariant &value)
 
QValueComboBox(QWidget *parent=0)
 
void setRole(int role)
Specify model role to use as ordinal value (defaults to Qt::UserRole)