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allow multiple units in bitcoin amount widget (for example, for sending) using a combobox

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This commit is contained in:
Wladimir J. van der Laan
2011-07-26 13:08:34 +02:00
parent ca1dbe10ed
commit 587e52855a
8 changed files with 197 additions and 49 deletions
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72
src/qt/bitcoinunits.cpp
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@@ -2,7 +2,22 @@
#include <QStringList>
QString BitcoinUnits::name(BitcoinUnits::Unit unit)
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);
return unitlist;
}
QString BitcoinUnits::name(int unit)
{
switch(unit)
{
@@ -13,18 +28,18 @@ QString BitcoinUnits::name(BitcoinUnits::Unit unit)
}
}
QString BitcoinUnits::description(BitcoinUnits::Unit unit)
QString BitcoinUnits::description(int unit)
{
switch(unit)
{
case BTC: return QString("Bitcoin");
case mBTC: return QString("Milli-bitcoin (1/1000)");
case uBTC: return QString("Micro-bitcoin (1/1000,000)");
case BTC: return QString("Bitcoins");
case mBTC: return QString("Milli-Bitcoins (1 / 1,000)");
case uBTC: return QString("Micro-Bitcoins (1 / 1,000,000)");
default: return QString("???");
}
}
qint64 BitcoinUnits::factor(BitcoinUnits::Unit unit)
qint64 BitcoinUnits::factor(int unit)
{
switch(unit)
{
@@ -35,7 +50,18 @@ qint64 BitcoinUnits::factor(BitcoinUnits::Unit unit)
}
}
int BitcoinUnits::decimals(BitcoinUnits::Unit unit)
int BitcoinUnits::amountDigits(int unit)
{
switch(unit)
{
case BTC: return 8; // 21,000,000
case mBTC: return 11; // 21,000,000,000
case uBTC: return 14; // 21,000,000,000,000
default: return 0;
}
}
int BitcoinUnits::decimals(int unit)
{
switch(unit)
{
@@ -46,7 +72,7 @@ int BitcoinUnits::decimals(BitcoinUnits::Unit unit)
}
}
QString BitcoinUnits::format(BitcoinUnits::Unit unit, qint64 n, bool fPlus)
QString BitcoinUnits::format(int unit, qint64 n, bool fPlus)
{
// Note: not using straight sprintf here because we do NOT want
// localized number formatting.
@@ -71,12 +97,12 @@ QString BitcoinUnits::format(BitcoinUnits::Unit unit, qint64 n, bool fPlus)
return quotient_str + QString(".") + remainder_str;
}
QString BitcoinUnits::formatWithUnit(BitcoinUnits::Unit unit, qint64 amount, bool plussign)
QString BitcoinUnits::formatWithUnit(int unit, qint64 amount, bool plussign)
{
return format(unit, amount, plussign) + QString(" ") + name(unit);
}
bool BitcoinUnits::parse(BitcoinUnits::Unit unit, const QString &value, qint64 *val_out)
bool BitcoinUnits::parse(int unit, const QString &value, qint64 *val_out)
{
int num_decimals = decimals(unit);
QStringList parts = value.split(".");
@@ -94,3 +120,29 @@ bool BitcoinUnits::parse(BitcoinUnits::Unit unit, const QString &value, qint64 *
}
return ok;
}
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(name(unit));
case Qt::ToolTipRole:
return QVariant(description(unit));
case UnitRole:
return QVariant(static_cast<int>(unit));
}
}
return QVariant();
}