57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
#ifndef BITCOINUNITS_H
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#define BITCOINUNITS_H
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#include <QString>
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#include <QAbstractListModel>
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// Bitcoin unit definitions, encapsulates parsing and formatting
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// and serves as list model for dropdown selection boxes.
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class BitcoinUnits: public QAbstractListModel
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{
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public:
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explicit BitcoinUnits(QObject *parent);
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enum Unit
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{
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// Source: https://en.bitcoin.it/wiki/Units
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// Please add only sensible ones
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BTC,
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mBTC,
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uBTC
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};
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/// Static API
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// Get list of units, for dropdown 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 / unit
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static qint64 factor(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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/// AbstractListModel implementation
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enum {
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// Unit identifier
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UnitRole = Qt::UserRole
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} RoleIndex;
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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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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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