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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
// Copyright (c) 2011-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_QT_BITCOINUNITS_H
#define BITCOIN_QT_BITCOINUNITS_H
#include "amount.h"
#include <QAbstractListModel>
#include <QString>
// U+2009 THIN SPACE = UTF-8 E2 80 89
#define REAL_THIN_SP_CP 0x2009
#define REAL_THIN_SP_UTF8 "\xE2\x80\x89"
#define REAL_THIN_SP_HTML " "
// U+200A HAIR SPACE = UTF-8 E2 80 8A
#define HAIR_SP_CP 0x200A
#define HAIR_SP_UTF8 "\xE2\x80\x8A"
#define HAIR_SP_HTML " "
// U+2006 SIX-PER-EM SPACE = UTF-8 E2 80 86
#define SIXPEREM_SP_CP 0x2006
#define SIXPEREM_SP_UTF8 "\xE2\x80\x86"
#define SIXPEREM_SP_HTML " "
// U+2007 FIGURE SPACE = UTF-8 E2 80 87
#define FIGURE_SP_CP 0x2007
#define FIGURE_SP_UTF8 "\xE2\x80\x87"
#define FIGURE_SP_HTML " "
// QMessageBox seems to have a bug whereby it doesn't display thin/hair spaces
// correctly. Workaround is to display a space in a small font. If you
// change this, please test that it doesn't cause the parent span to start
// wrapping.
#define HTML_HACK_SP "<span style='white-space: nowrap; font-size: 6pt'> </span>"
// Define THIN_SP_* variables to be our preferred type of thin space
#define THIN_SP_CP REAL_THIN_SP_CP
#define THIN_SP_UTF8 REAL_THIN_SP_UTF8
#define THIN_SP_HTML HTML_HACK_SP
/** Bitcoin unit definitions. Encapsulates parsing and formatting
and serves as list model for drop-down selection boxes.
*/
class BitcoinUnits: public QAbstractListModel
{
Q_OBJECT
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
};
enum SeparatorStyle
{
separatorNever,
separatorStandard,
separatorAlways
};
//! @name Static API
//! Unit conversion and formatting
///@{
//! Get list of units, for drop-down 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 decimals left
static int decimals(int unit);
//! Format as string
static QString format(int unit, const CAmount& amount, bool plussign=false, SeparatorStyle separators=separatorStandard);
//! Format as string (with unit)
static QString formatWithUnit(int unit, const CAmount& amount, bool plussign=false, SeparatorStyle separators=separatorStandard);
static QString formatHtmlWithUnit(int unit, const CAmount& amount, bool plussign=false, SeparatorStyle separators=separatorStandard);
//! Parse string to coin amount
static bool parse(int unit, const QString &value, CAmount *val_out);
//! Gets title for amount column including current display unit if optionsModel reference available */
static QString getAmountColumnTitle(int unit);
///@}
//! @name AbstractListModel implementation
//! List model for unit drop-down selection box.
///@{
enum RoleIndex {
/** Unit identifier */
UnitRole = Qt::UserRole
};
int rowCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
///@}
static QString removeSpaces(QString text)
{
text.remove(' ');
text.remove(QChar(THIN_SP_CP));
#if (THIN_SP_CP != REAL_THIN_SP_CP)
text.remove(QChar(REAL_THIN_SP_CP));
#endif
return text;
}
//! Return maximum number of base units (Satoshis)
static CAmount maxMoney();
private:
QList<BitcoinUnits::Unit> unitlist;
};
typedef BitcoinUnits::Unit BitcoinUnit;
#endif // BITCOIN_QT_BITCOINUNITS_H
|
