+
−#ifndef BITCOINUNITS_H
+
−#define BITCOINUNITS_H
+
−
+
−#include <QString>
+
−#include <QAbstractListModel>
+
−
+
−/** Bitcoin unit definitions. Encapsulates parsing and formatting
+
−   and serves as list model for dropdown selection boxes.
+
−*/
+
−class BitcoinUnits: public QAbstractListModel
+
−{
+
−public:
+
−    explicit BitcoinUnits(QObject *parent);
+
−
+
−    /** Bitcoin units.
+
−      @note Source: https://en.bitcoin.it/wiki/Units . Please add only sensible ones
+
−     */
+
−    enum Unit
+
−    {
+
−        BTC,
+
−        mBTC,
+
−        uBTC
+
−    };
+
−
+
−    //! @name Static API
+
−    //! Unit conversion and formatting
+
−    ///@{
+
−
+
−    //! Get list of units, for dropdown box
+
−    static QList<Unit> availableUnits();
+
−    //! Is unit ID valid?
+
−    static bool valid(int unit);
+
−    //! Short name
+
−    static QString name(int unit);
+
−    //! Longer description
+
−    static QString description(int unit);
+
−    //! Number of Satoshis (1e-8) per unit
+
−    static qint64 factor(int unit);
+
−    //! Number of amount digits (to represent max number of coins)
+
−    static int amountDigits(int unit);
+
−    //! Number of decimals left
+
−    static int decimals(int unit);
+
−    //! Format as string
+
−    static QString format(int unit, qint64 amount, bool plussign=false);
+
−    //! Format as string (with unit)
+
−    static QString formatWithUnit(int unit, qint64 amount, bool plussign=false);
+
−    //! Parse string to coin amount
+
−    static bool parse(int unit, const QString &value, qint64 *val_out);
+
−    ///@}
+
−
+
−    //! @name AbstractListModel implementation
+
−    //! List model for unit dropdown selection box.
+
−    ///@{
+
−    enum RoleIndex {
+
−        /** Unit identifier */
+
−        UnitRole = Qt::UserRole
+
−    };
+
−    int rowCount(const QModelIndex &parent) const;
+
−    QVariant data(const QModelIndex &index, int role) const;
+
−    ///@}
+
−private:
+
−    QList<BitcoinUnits::Unit> unitlist;
+
−};
+
−typedef BitcoinUnits::Unit BitcoinUnit;
+
−
+
−#endif // BITCOINUNITS_H