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Implement SI-style (thin space) thoudands separator

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This commit is contained in:
Roy Badami
2014-05-09 23:50:09 +01:00
parent 9b4b3cf9cf
commit 7007402956
10 changed files with 184 additions and 37 deletions
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49
src/qt/bitcoinamountfield.cpp
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@@ -14,6 +14,51 @@
#include <QKeyEvent>
#include <qmath.h> // for qPow()
// QDoubleSpinBox that shows SI-style thin space thousands separators
class AmountSpinBox: public QDoubleSpinBox
{
public:
explicit AmountSpinBox(QWidget *parent):
QDoubleSpinBox(parent)
{
}
QString textFromValue(double value) const
{
QStringList parts = QDoubleSpinBox::textFromValue(value).split(".");
QString quotient_str = parts[0];
QString remainder_str;
if(parts.size() > 1)
remainder_str = parts[1];
// Code duplication between here and BitcoinUnits::format
// TODO: Figure out how to share this code
QChar thin_sp(THIN_SP_CP);
int q_size = quotient_str.size();
if (q_size > 4)
for (int i = 3; i < q_size; i += 3)
quotient_str.insert(q_size - i, thin_sp);
int r_size = remainder_str.size();
if (r_size > 4)
for (int i = 3, adj = 0; i < r_size; i += 3, adj++)
remainder_str.insert(i + adj, thin_sp);
if(remainder_str.isEmpty())
return quotient_str;
else
return quotient_str + QString(".") + remainder_str;
}
QValidator::State validate (QString &text, int &pos) const
{
QString s(BitcoinUnits::removeSpaces(text));
return QDoubleSpinBox::validate(s, pos);
}
double valueFromText(const QString& text) const
{
return QDoubleSpinBox::valueFromText(BitcoinUnits::removeSpaces(text));
}
};
BitcoinAmountField::BitcoinAmountField(QWidget *parent) :
QWidget(parent),
amount(0),
@@ -21,7 +66,7 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent) :
{
nSingleStep = 100000; // satoshis
amount = new QDoubleSpinBox(this);
amount = new AmountSpinBox(this);
amount->setLocale(QLocale::c());
amount->installEventFilter(this);
amount->setMaximumWidth(170);
@@ -52,7 +97,7 @@ void BitcoinAmountField::setText(const QString &text)
if (text.isEmpty())
amount->clear();
else
amount->setValue(text.toDouble());
amount->setValue(BitcoinUnits::removeSpaces(text).toDouble());
}
void BitcoinAmountField::clear()