rebrand codebase

2019-05-30 05:51:29 +08:00
parent 2d24a1c6c5
commit 3d953055b0
157 changed files with 435 additions and 435 deletions
@@ -0,0 +1,234 @@
+// Copyright (c) 2011-2018 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 <qt/nyc3units.h>
+
+#include <primitives/transaction.h>
+
+#include <QStringList>
+
+BitcoinUnits::BitcoinUnits(QObject *parent):
+        QAbstractListModel(parent),
+        unitlist(availableUnits())
+{
+}
+
+QList<BitcoinUnits::Unit> BitcoinUnits::availableUnits()
+{
+    QList<BitcoinUnits::Unit> unitlist;
+    unitlist.append(BTC);
+    unitlist.append(mBTC);
+    unitlist.append(uBTC);
+    unitlist.append(SAT);
+    return unitlist;
+}
+
+bool BitcoinUnits::valid(int unit)
+{
+    switch(unit)
+    {
+    case BTC:
+    case mBTC:
+    case uBTC:
+    case SAT:
+        return true;
+    default:
+        return false;
+    }
+}
+
+QString BitcoinUnits::longName(int unit)
+{
+    switch(unit)
+    {
+    case BTC: return QString("BTC");
+    case mBTC: return QString("mBTC");
+    case uBTC: return QString::fromUtf8("µBTC (bits)");
+    case SAT: return QString("Satoshi (sat)");
+    default: return QString("???");
+    }
+}
+
+QString BitcoinUnits::shortName(int unit)
+{
+    switch(unit)
+    {
+    case uBTC: return QString::fromUtf8("bits");
+    case SAT: return QString("sat");
+    default: return longName(unit);
+    }
+}
+
+QString BitcoinUnits::description(int unit)
+{
+    switch(unit)
+    {
+    case BTC: return QString("Bitcoins");
+    case mBTC: return QString("Milli-Bitcoins (1 / 1" THIN_SP_UTF8 "000)");
+    case uBTC: return QString("Micro-Bitcoins (bits) (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 BTC: return 100000000;
+    case mBTC: return 100000;
+    case uBTC: return 100;
+    case SAT: return 1;
+    default: return 100000000;
+    }
+}
+
+int BitcoinUnits::decimals(int unit)
+{
+    switch(unit)
+    {
+    case BTC: return 8;
+    case mBTC: return 5;
+    case uBTC: return 2;
+    case SAT: return 0;
+    default: return 0;
+    }
+}
+
+QString BitcoinUnits::format(int unit, const CAmount& nIn, bool fPlus, SeparatorStyle separators)
+{
+    // Note: not using straight sprintf here because we do NOT want
+    // localized number formatting.
+    if(!valid(unit))
+        return QString(); // Refuse to format invalid unit
+    qint64 n = (qint64)nIn;
+    qint64 coin = factor(unit);
+    int num_decimals = decimals(unit);
+    qint64 n_abs = (n > 0 ? n : -n);
+    qint64 quotient = n_abs / coin;
+    QString quotient_str = QString::number(quotient);
+
+    // 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, '+');
+
+    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 CAmount& amount, bool plussign, SeparatorStyle separators)
+{
+    return format(unit, amount, plussign, separators) + QString(" ") + shortName(unit);
+}
+
+QString BitcoinUnits::formatHtmlWithUnit(int unit, const CAmount& amount, bool plussign, SeparatorStyle separators)
+{
+    QString str(formatWithUnit(unit, amount, plussign, separators));
+    str.replace(QChar(THIN_SP_CP), QString(THIN_SP_HTML));
+    return QString("<span style='white-space: nowrap;'>%1</span>").arg(str);
+}
+
+
+bool BitcoinUnits::parse(int unit, const QString &value, CAmount *val_out)
+{
+    if(!valid(unit) || value.isEmpty())
+        return false; // Refuse to parse invalid unit or empty string
+    int num_decimals = decimals(unit);
+
+    // Ignore spaces and thin spaces when parsing
+    QStringList parts = removeSpaces(value).split(".");
+
+    if(parts.size() > 2)
+    {
+        return false; // More than one dot
+    }
+    QString whole = parts[0];
+    QString decimals;
+
+    if(parts.size() > 1)
+    {
+        decimals = parts[1];
+    }
+    if(decimals.size() > num_decimals)
+    {
+        return false; // Exceeds max precision
+    }
+    bool ok = false;
+    QString str = whole + decimals.leftJustified(num_decimals, '0');
+
+    if(str.size() > 18)
+    {
+        return false; // Longer numbers will exceed 63 bits
+    }
+    CAmount retvalue(str.toLongLong(&ok));
+    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<int>(unit));
+        }
+    }
+    return QVariant();
+}
+
+CAmount BitcoinUnits::maxMoney()
+{
+    return MAX_MONEY;
+}