int BitcoinUnits::decimals(int unit)
{
if(walletModel && walletModel->getOptionsModel())
{
if (walletModel->getOptionsModel()->getDecimalPoints() > maxdecimals(unit))
return maxdecimals(unit);
else
return walletModel->getOptionsModel()->getDecimalPoints();
}
else
{
return maxdecimals(unit);
}
}
QString BitcoinUnits::formatFee(int unit, qint64 n, bool fPlus)
{
// 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 coin = factor(unit);
qint64 n_abs = (n > 0 ? n : -n);
qint64 quotient = n_abs / coin;
qint64 remainder = n_abs % coin;
QString quotient_str = QString("%L1").arg(quotient);
QString remainder_str = QString::number(remainder).rightJustified(maxdecimals(unit), '0');
// Right-trim excess zeros after the decimal point
int nTrim = 0;
for (int i = remainder_str.size()-1; i>=2 && (remainder_str.at(i) == '0'); --i)
++nTrim;
remainder_str.chop(nTrim);
if (n < 0)
quotient_str.insert(0, '-');
else if (fPlus && n > 0)
quotient_str.insert(0, '+');
if (remainder_str.size())
return quotient_str + QString(".") + remainder_str;
else
return quotient_str;
}
QString BitcoinUnits::formatMaxDecimals(int unit, qint64 n, int decimals, bool fPlus, bool fHideAmounts)
{
// 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 coin = factor(unit);
qint64 n_abs = (n > 0 ? n : -n);
qint64 quotient = n_abs / coin;
qint64 remainder = n_abs % coin;
QString quotient_str = QString("%L1").arg(quotient);
QString remainder_str = QString::number(remainder).rightJustified(maxdecimals(unit), '0').left(decimals);
// Pad zeros after remainder up to number of decimals
for (int i = remainder_str.size(); i < decimals; ++i)
remainder_str.append("0");
if(fHideAmounts)
{
quotient_str.replace(QRegExp("[0-9]"),"*");
remainder_str.replace(QRegExp("[0-9]"),"*");
}
if (n < 0)
quotient_str.insert(0, '-');
else if (fPlus && n > 0)
quotient_str.insert(0, '+');
if (remainder_str.size())
return quotient_str + QString(".") + remainder_str;
else
return quotient_str;
}
bool BitcoinUnits::parse(int unit, const QString &value, qint64 *val_out)
{
if(!valid(unit) || value.isEmpty())
return false; // Refuse to parse invalid unit or empty string
int num_decimals = maxdecimals(unit);
QStringList parts = 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
}
qint64 retvalue = str.toLongLong(&ok);
if(val_out)
{
*val_out = retvalue;
}
return ok;
}
// draw the chartchartheight
void
QTAChartCore::draw (void)
{
QWidget *gqw;
QTACObject *object, *delobject;
if (Q_UNLIKELY (!tfinit))
{
QString title;
createTFButtons ();
HLOC = &TIMEFRAME[0].HLOC;
HEIKINASHI = &TIMEFRAME[0].HEIKINASHI;
startbar = &TIMEFRAME[0].TFStartBar;
excess_drag_width = &TIMEFRAME[0].TFExcess_Drag_Width;
title = Symbol + " - " + TIMEFRAME[0].TFName;
currenttf = TIMEFRAME[0].TFName;
setTitle (title, QString::fromUtf8 (subtitletext));
tfinit = true;
}
// collect garbage objects
do
{
delobject = NULL;
foreach (object, Object)
if (object->deleteit)
delobject = object;
if (delobject != NULL)
deleteObject (delobject);
}
while (delobject != NULL);
// collect garbase QWidgets
if (garbageQWidget.size () > 0)
{
gqw = garbageQWidget[0];
gqw->deleteLater ();
garbageQWidget.remove (0);
}
if (reloaded)
{
points = maxdecimals (HLOC);
decimals = qCeil (qAbs (qLog10 (points)));
OPEN.clear ();
CLOSE.clear ();
HIGH.clear ();
LOW.clear ();
VOLUME.clear ();
foreach (const QTAChartFrame &frame, *HLOC)
{
OPEN += frame.Open;
CLOSE += frame.Close;
HIGH += frame.High;
LOW += frame.Low;
VOLUME += frame.Volume;
}
reloaded = false;
}
// geometry
geom (this);
// draw the objects
foreach (object, Object)
object->draw ();
// draw the chart frame, grid, bottom text
ruller_cursor_x = chartrightmost + 2;
ruller_cursor->setPos (ruller_cursor_x, ruller_cursor_y);
bottom_text->setPos (chartleftmost, height - (bottomline_height + 5));
topedge->setLine (chartleftmost, charttopmost, chartrightmost + 3, charttopmost);
bottomedge->setLine (chartleftmost, chartbottomost + 5, width, chartbottomost + 5);
rightedge->setLine (chartrightmost + 3, 0, chartrightmost + 3, height);
leftedge->setLine (chartleftmost, 0, chartleftmost, height);
if (show_grid)
drawGRID ();
else
clearGRID ();
if (linear)
scaletitle->setPlainText ("Linear");
else
scaletitle->setPlainText ("Logarithmic");
if (chart_style == QTACHART_CANDLE)
{
typetitle->setPlainText ("Candle");
drawCandleChart ();
}
else if (chart_style == QTACHART_HEIKINASHI)
{
typetitle->setPlainText ("Heikin-Ashi");
drawCandleChart ();
}
else if (chart_style == QTACHART_BAR)
{
typetitle->setPlainText ("Bar");
drawBarChart ();
}
else if (chart_style == QTACHART_LINE)
{
typetitle->setPlainText ("Line");
drawPriceLine (linecolor, linethickness);
}
clearITEMS ();
setRullerCursor (ruller_cursor_y);
}
