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Code: Alles auswählen

class DistriComboBox : public QComboBox
{
    Q_OBJECT

public:
    DistriComboBox(QWidget *parent);
    void setDistri(int id);

public slots:
    void setDistriChanged(int index);

signals:
    void distriChanged(int new_distri_id);

};

Code: Alles auswählen

DistriComboBox::DistriComboBox(QWidget *parent) : QComboBox(parent)
{   
    connect(this, SIGNAL(currentIndexChanged(int)), this, SLOT(setDistriChanged(int)));
}


void DistriComboBox::setDistriChanged(int index)
{
    int id = this->itemData(index).toInt();
    emit distriChanged(id);
}

Code: Alles auswählen

DistriComboBox *cmb = new DistriComboBox(this);

        connect(cmb, SIGNAL(distriChanged(int)), this, SLOT(on_distriChanged(int)));