bitcoinamountfield.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_BITCOINAMOUNTFIELD_H
#define BITCOIN_QT_BITCOINAMOUNTFIELD_H
 
#include <consensus/amount.h>
#include <qt/bitcoinunits.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(BitcoinUnit new_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{nullptr};
    QValueComboBox *unit;
 
private Q_SLOTS:
    void unitChanged(int idx);
 
};
 
#endif // BITCOIN_QT_BITCOINAMOUNTFIELD_H