79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// Copyright (c) 2011-2013 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOINUNITS_H
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#define BITCOINUNITS_H
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#include <QAbstractListModel>
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#include <QString>
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/** Bitcoin unit definitions. Encapsulates parsing and formatting
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and serves as list model for drop-down selection boxes.
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*/
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class BitcoinUnits: public QAbstractListModel
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{
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Q_OBJECT
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public:
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explicit BitcoinUnits(QObject *parent);
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/** Bitcoin units.
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@note Source: https://en.bitcoin.it/wiki/Units . Please add only sensible ones
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*/
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enum Unit //Note: preserve positions in order to preserve existing settings
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{
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DOGE,
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mDOGE,
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uDOGE,
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MDOGE,
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kDOGE,
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Koinu
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};
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//! @name Static API
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//! Unit conversion and formatting
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///@{
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//! Get list of units, for drop-down box
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static QList<Unit> availableUnits();
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//! Is unit ID valid?
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static bool valid(int unit);
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//! Short name
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static QString name(int unit);
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//! Longer description
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static QString description(int unit);
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//! Number of Satoshis (1e-8) per unit
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static qint64 factor(int unit);
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//! Max amount per unit
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static qint64 maxAmount(int unit);
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//! Number of amount digits (to represent max number of coins)
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static int amountDigits(int unit);
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//! Number of decimals left
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static int decimals(int unit);
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//! Format as string
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static QString format(int unit, qint64 amount, bool plussign=false);
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//! Format as string (with unit)
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static QString formatWithUnit(int unit, qint64 amount, bool plussign=false);
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//! Parse string to coin amount
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static bool parse(int unit, const QString &value, qint64 *val_out);
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///@}
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//! @name AbstractListModel implementation
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//! List model for unit drop-down selection box.
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///@{
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enum RoleIndex {
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/** Unit identifier */
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UnitRole = Qt::UserRole
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};
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int rowCount(const QModelIndex &parent) const;
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QVariant data(const QModelIndex &index, int role) const;
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///@}
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private:
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QList<BitcoinUnits::Unit> unitlist;
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};
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typedef BitcoinUnits::Unit BitcoinUnit;
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#endif // BITCOINUNITS_H
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