qvaluecombobox.h

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#ifndef QVALUECOMBOBOX_H
#define QVALUECOMBOBOX_H

#include <QComboBox>
#include <QVariant>

/* QComboBox that can be used with QDataWidgetMapper to select ordinal values from a model. */
class QValueComboBox : public QComboBox
{
    Q_OBJECT

    Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged USER true)

public:
    explicit QValueComboBox(QWidget *parent = 0);

    QVariant value() const;
    void setValue(const QVariant &value);

    void setRole(int role);

signals:
    void valueChanged();

private:
    int role;

private slots:
    void handleSelectionChanged(int idx);
};

#endif // QVALUECOMBOBOX_H