qvaluecombobox.h

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// Copyright (c) 2011-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_QT_QVALUECOMBOBOX_H
#define BITCOIN_QT_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 = nullptr);
 
    QVariant value() const;
    void setValue(const QVariant &value);
 
    void setRole(int role);
 
Q_SIGNALS:
    void valueChanged();
 
private:
    int role{Qt::UserRole};
 
private Q_SLOTS:
    void handleSelectionChanged(int idx);
};
 
#endif // BITCOIN_QT_QVALUECOMBOBOX_H