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// Copyright (c) 2011-2021 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
/** Widget for entering bitcoin amounts.
*/
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);
/** If allow empty is set to false the field will be set to the minimum allowed value if left empty. **/
void SetAllowEmpty(bool allow);
/** Set the minimum value in satoshis **/
void SetMinValue(const CAmount& value);
/** Set the maximum value in satoshis **/
void SetMaxValue(const CAmount& value);
/** Set single step in satoshis **/
void setSingleStep(const CAmount& step);
/** Make read-only **/
void setReadOnly(bool fReadOnly);
/** Mark current value as invalid in UI. */
void setValid(bool valid);
/** Perform input validation, mark field as invalid if entered value is not valid. */
bool validate();
/** Change unit used to display amount. */
void setDisplayUnit(BitcoinUnit new_unit);
/** Make field empty and ready for new input. */
void clear();
/** Enable/Disable. */
void setEnabled(bool fEnabled);
/** Qt messes up the tab chain by default in some cases (issue https://bugreports.qt-project.org/browse/QTBUG-10907),
in these cases we have to set it up manually.
*/
QWidget *setupTabChain(QWidget *prev);
Q_SIGNALS:
void valueChanged();
protected:
/** Intercept focus-in event and ',' key presses */
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
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