diff --git a/src/qt/bitcoinunits.cpp b/src/qt/bitcoinunits.cpp index 917f296e40..0edf00bb75 100644 --- a/src/qt/bitcoinunits.cpp +++ b/src/qt/bitcoinunits.cpp @@ -1,220 +1,240 @@ // Copyright (c) 2011-2016 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include #include #include BitcoinUnits::BitcoinUnits(QObject *parent) : QAbstractListModel(parent), unitlist(availableUnits()) {} QList BitcoinUnits::availableUnits() { QList unitlist; unitlist.append(BCH); unitlist.append(mBCH); unitlist.append(uBCH); + unitlist.append(SAT); return unitlist; } bool BitcoinUnits::valid(int unit) { switch (unit) { case BCH: case mBCH: case uBCH: + case SAT: return true; default: return false; } } QString BitcoinUnits::longName(int unit) { switch (unit) { case BCH: return QString("BCH"); case mBCH: return QString("mBCH"); case uBCH: return QString::fromUtf8("μBCH"); + case SAT: + return QString("Satoshi (sat)"); default: return QString("???"); } } QString BitcoinUnits::shortName(int unit) { - return longName(unit); + switch (unit) { + case SAT: + return QString("sat"); + default: + return longName(unit); + } } QString BitcoinUnits::description(int unit) { switch (unit) { case BCH: return QString("Bitcoins"); case mBCH: return QString("Milli-Bitcoins (1 / 1" THIN_SP_UTF8 "000)"); case uBCH: return QString("Micro-Bitcoins (1 / 1" THIN_SP_UTF8 "000" THIN_SP_UTF8 "000)"); + case SAT: + return QString("Satoshi (sat) (1 / 100" THIN_SP_UTF8 + "000" THIN_SP_UTF8 "000)"); default: return QString("???"); } } qint64 BitcoinUnits::factor(int unit) { switch (unit) { case BCH: return 100000000; case mBCH: return 100000; case uBCH: return 100; + case SAT: + return 1; default: return 100000000; } } int BitcoinUnits::decimals(int unit) { switch (unit) { case BCH: return 8; case mBCH: return 5; case uBCH: return 2; + case SAT: + return 0; default: return 0; } } QString BitcoinUnits::format(int unit, const Amount nIn, bool fPlus, SeparatorStyle separators) { // Note: not using straight sprintf here because we do NOT want // localized number formatting. if (!valid(unit)) { // Refuse to format invalid unit return QString(); } qint64 n = qint64(nIn / SATOSHI); qint64 coin = factor(unit); int num_decimals = decimals(unit); qint64 n_abs = (n > 0 ? n : -n); qint64 quotient = n_abs / coin; - qint64 remainder = n_abs % coin; QString quotient_str = QString::number(quotient); - QString remainder_str = - QString::number(remainder).rightJustified(num_decimals, '0'); // Use SI-style thin space separators as these are locale independent and // can't be confused with the decimal marker. QChar thin_sp(THIN_SP_CP); int q_size = quotient_str.size(); if (separators == separatorAlways || (separators == separatorStandard && q_size > 4)) { for (int i = 3; i < q_size; i += 3) { quotient_str.insert(q_size - i, thin_sp); } } if (n < 0) { quotient_str.insert(0, '-'); } else if (fPlus && n > 0) { quotient_str.insert(0, '+'); } - return quotient_str + QString(".") + remainder_str; + if (num_decimals > 0) { + qint64 remainder = n_abs % coin; + QString remainder_str = + QString::number(remainder).rightJustified(num_decimals, '0'); + return quotient_str + QString(".") + remainder_str; + } else { + return quotient_str; + } } // NOTE: Using formatWithUnit in an HTML context risks wrapping // quantities at the thousands separator. More subtly, it also results // in a standard space rather than a thin space, due to a bug in Qt's // XML whitespace canonicalisation // // Please take care to use formatHtmlWithUnit instead, when // appropriate. QString BitcoinUnits::formatWithUnit(int unit, const Amount amount, bool plussign, SeparatorStyle separators) { return format(unit, amount, plussign, separators) + QString(" ") + shortName(unit); } QString BitcoinUnits::formatHtmlWithUnit(int unit, const Amount amount, bool plussign, SeparatorStyle separators) { QString str(formatWithUnit(unit, amount, plussign, separators)); str.replace(QChar(THIN_SP_CP), QString(THIN_SP_HTML)); return QString("%1").arg(str); } bool BitcoinUnits::parse(int unit, const QString &value, Amount *val_out) { if (!valid(unit) || value.isEmpty()) { // Refuse to parse invalid unit or empty string return false; } int num_decimals = decimals(unit); // Ignore spaces and thin spaces when parsing QStringList parts = removeSpaces(value).split("."); if (parts.size() > 2) { // More than one dot return false; } QString whole = parts[0]; QString decimals; if (parts.size() > 1) { decimals = parts[1]; } if (decimals.size() > num_decimals) { // Exceeds max precision return false; } bool ok = false; QString str = whole + decimals.leftJustified(num_decimals, '0'); if (str.size() > 18) { // Longer numbers will exceed 63 bits return false; } Amount retvalue(int64_t(str.toLongLong(&ok)) * SATOSHI); if (val_out) { *val_out = retvalue; } return ok; } QString BitcoinUnits::getAmountColumnTitle(int unit) { QString amountTitle = QObject::tr("Amount"); if (BitcoinUnits::valid(unit)) { amountTitle += " (" + BitcoinUnits::shortName(unit) + ")"; } return amountTitle; } int BitcoinUnits::rowCount(const QModelIndex &parent) const { Q_UNUSED(parent); return unitlist.size(); } QVariant BitcoinUnits::data(const QModelIndex &index, int role) const { int row = index.row(); if (row >= 0 && row < unitlist.size()) { Unit unit = unitlist.at(row); switch (role) { case Qt::EditRole: case Qt::DisplayRole: return QVariant(longName(unit)); case Qt::ToolTipRole: return QVariant(description(unit)); case UnitRole: return QVariant(static_cast(unit)); } } return QVariant(); } Amount BitcoinUnits::maxMoney() { return MAX_MONEY; } diff --git a/src/qt/bitcoinunits.h b/src/qt/bitcoinunits.h index e29bdf8db8..37b20966fd 100644 --- a/src/qt/bitcoinunits.h +++ b/src/qt/bitcoinunits.h @@ -1,128 +1,128 @@ // Copyright (c) 2011-2016 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 #include #include // 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 \ " " // 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 (Bitcoin Cash unit work the same as Bitoin). * @note Source: https://en.bitcoin.it/wiki/Units. * Please add only sensible ones. */ - enum Unit { BCH, mBCH, uBCH }; + enum Unit { BCH, mBCH, uBCH, SAT }; enum SeparatorStyle { separatorNever, separatorStandard, separatorAlways }; //! @name Static API //! Unit conversion and formatting ///@{ //! Get list of units, for drop-down box static QList availableUnits(); //! Is unit ID valid? static bool valid(int unit); //! Long name static QString longName(int unit); //! Short name static QString shortName(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 Amount amount, bool plussign = false, SeparatorStyle separators = separatorStandard); //! Format as string (with unit) static QString formatWithUnit(int unit, const Amount amount, bool plussign = false, SeparatorStyle separators = separatorStandard); //! Format as HTML string (with unit) static QString formatHtmlWithUnit(int unit, const Amount amount, bool plussign = false, SeparatorStyle separators = separatorStandard); //! Parse string to coin amount static bool parse(int unit, const QString &value, Amount *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 override; QVariant data(const QModelIndex &index, int role) const override; ///@} 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 Amount maxMoney(); private: QList unitlist; }; typedef BitcoinUnits::Unit BitcoinUnit; #endif // BITCOIN_QT_BITCOINUNITS_H