bitcoinamountfield.h

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// Copyright (c) 2011-2018 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_BITCOINAMOUNTFIELD_H
#define BITCOIN_QT_BITCOINAMOUNTFIELD_H

#include <amount.h>

#include <QWidget>

class AmountSpinBox;

QT_BEGIN_NAMESPACE
class QValueComboBox;
QT_END_NAMESPACE

class BitcoinAmountField: public QWidget
{
    Q_OBJECT

    // ugly hack: for some unknown reason CAmount (instead of qint64) does not work here as expected
    // discussion: https://github.com/bitcoin/bitcoin/pull/5117
    Q_PROPERTY(qint64 value READ value WRITE setValue NOTIFY valueChanged USER true)

public:
    explicit BitcoinAmountField(QWidget *parent = nullptr);

    CAmount value(bool *value=nullptr) const;
    void setValue(const CAmount& value);

    void SetAllowEmpty(bool allow);

    void SetMinValue(const CAmount& value);

    void SetMaxValue(const CAmount& value);

    void setSingleStep(const CAmount& step);

    void setReadOnly(bool fReadOnly);

    void setValid(bool valid);
    bool validate();

    void setDisplayUnit(int unit);

    void clear();

    void setEnabled(bool fEnabled);

    QWidget *setupTabChain(QWidget *prev);

Q_SIGNALS:
    void valueChanged();

protected:
    bool eventFilter(QObject *object, QEvent *event) override;

private:
    AmountSpinBox *amount;
    QValueComboBox *unit;

private Q_SLOTS:
    void unitChanged(int idx);

};

#endif // BITCOIN_QT_BITCOINAMOUNTFIELD_H