aboutsummaryrefslogtreecommitdiff
path: root/src/qt/bitcoinunits.h
blob: 35c0d8ea0d282ca9a30d655d9a80066e44897fbe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
#ifndef BITCOINUNITS_H
#define BITCOINUNITS_H

#include <QtGlobal>
#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