lbrycrd/src/qt/bitcoinamountfield.h
2014-02-02 07:57:50 +01:00

72 lines
1.8 KiB
C++

// Copyright (c) 2011-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOINAMOUNTFIELD_H
#define BITCOINAMOUNTFIELD_H
#include <QWidget>
QT_BEGIN_NAMESPACE
class QDoubleSpinBox;
class QValueComboBox;
QT_END_NAMESPACE
/** Widget for entering bitcoin amounts.
*/
class BitcoinAmountField: public QWidget
{
Q_OBJECT
Q_PROPERTY(qint64 value READ value WRITE setValue NOTIFY textChanged USER true)
public:
explicit BitcoinAmountField(QWidget *parent = 0);
qint64 value(bool *valid=0) const;
void setValue(qint64 value);
/** Set single step in satoshis **/
void setSingleStep(qint64 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(int unit);
/** Make field empty and ready for new input. */
void clear();
/** 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);
signals:
void textChanged();
protected:
/** Intercept focus-in event and ',' key presses */
bool eventFilter(QObject *object, QEvent *event);
private:
QDoubleSpinBox *amount;
QValueComboBox *unit;
int currentUnit;
qint64 nSingleStep;
void setText(const QString &text);
QString text() const;
private slots:
void unitChanged(int idx);
};
#endif // BITCOINAMOUNTFIELD_H