#include "bitcoinamountfield.h"
+#include "qvalidatedlineedit.h"
+#include "qvaluecombobox.h"
+#include "bitcoinunits.h"
#include <QLabel>
#include <QLineEdit>
#include <QRegExpValidator>
#include <QHBoxLayout>
#include <QKeyEvent>
+#include <QComboBox>
BitcoinAmountField::BitcoinAmountField(QWidget *parent):
- QWidget(parent), amount(0), decimals(0)
+ QWidget(parent), amount(0), decimals(0), currentUnit(-1)
{
- amount = new QLineEdit(this);
- amount->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
+ amount = new QValidatedLineEdit(this);
+ amount->setValidator(new QRegExpValidator(QRegExp("[0-9]*"), this));
amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
amount->installEventFilter(this);
- amount->setMaximumWidth(100);
- decimals = new QLineEdit(this);
+ amount->setMaximumWidth(75);
+ decimals = new QValidatedLineEdit(this);
decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
- decimals->setMaxLength(8);
decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter);
decimals->setMaximumWidth(75);
QHBoxLayout *layout = new QHBoxLayout(this);
layout->setSpacing(0);
layout->addWidget(amount);
- layout->addWidget(new QLabel(QString(".")));
+ layout->addWidget(new QLabel(QString("<b>.</b>")));
layout->addWidget(decimals);
- layout->addWidget(new QLabel(QString(" BTC")));
+ unit = new QValueComboBox(this);
+ unit->setModel(new BitcoinUnits(this));
+ layout->addWidget(unit);
layout->addStretch(1);
layout->setContentsMargins(0,0,0,0);
- setFocusPolicy(Qt::TabFocus);
setLayout(layout);
+
+ setFocusPolicy(Qt::TabFocus);
setFocusProxy(amount);
// If one if the widgets changes, the combined content changes as well
connect(amount, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
connect(decimals, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
+ connect(unit, SIGNAL(currentIndexChanged(int)), this, SLOT(unitChanged(int)));
+
+ // Set default based on configuration
+ unitChanged(unit->currentIndex());
}
void BitcoinAmountField::setText(const QString &text)
amount->setText(parts[0]);
decimals->setText(parts[1]);
}
+ else
+ {
+ amount->setText(QString());
+ decimals->setText(QString());
+ }
+}
+
+void BitcoinAmountField::clear()
+{
+ amount->clear();
+ decimals->clear();
+ unit->setCurrentIndex(0);
+}
+
+bool BitcoinAmountField::validate()
+{
+ bool valid = true;
+ if(decimals->text().isEmpty())
+ {
+ decimals->setValid(false);
+ valid = false;
+ }
+ if(!BitcoinUnits::parse(currentUnit, text(), 0))
+ {
+ setValid(false);
+ valid = false;
+ }
+
+ return valid;
+}
+
+void BitcoinAmountField::setValid(bool valid)
+{
+ amount->setValid(valid);
+ decimals->setValid(valid);
}
QString BitcoinAmountField::text() const
{
- if(amount->text().isEmpty() || decimals->text().isEmpty())
+ if(decimals->text().isEmpty() && amount->text().isEmpty())
+ {
return QString();
+ }
return amount->text() + QString(".") + decimals->text();
}
}
return false;
}
+
+QWidget *BitcoinAmountField::setupTabChain(QWidget *prev)
+{
+ QWidget::setTabOrder(prev, amount);
+ QWidget::setTabOrder(amount, decimals);
+ return decimals;
+}
+
+qint64 BitcoinAmountField::value(bool *valid_out) const
+{
+ qint64 val_out = 0;
+ bool valid = BitcoinUnits::parse(currentUnit, text(), &val_out);
+ if(valid_out)
+ {
+ *valid_out = valid;
+ }
+ return val_out;
+}
+
+void BitcoinAmountField::setValue(qint64 value)
+{
+ setText(BitcoinUnits::format(currentUnit, value));
+}
+
+void BitcoinAmountField::unitChanged(int idx)
+{
+ // Use description tooltip for current unit for the combobox
+ unit->setToolTip(unit->itemData(idx, Qt::ToolTipRole).toString());
+
+ // Determine new unit ID
+ int newUnit = unit->itemData(idx, BitcoinUnits::UnitRole).toInt();
+
+ // Parse current value and convert to new unit
+ bool valid = false;
+ qint64 currentValue = value(&valid);
+
+ currentUnit = newUnit;
+
+ // Set max length after retrieving the value, to prevent truncation
+ amount->setMaxLength(BitcoinUnits::amountDigits(currentUnit));
+ decimals->setMaxLength(BitcoinUnits::decimals(currentUnit));
+
+ if(valid)
+ {
+ setValue(currentValue);
+ }
+ else
+ {
+ // If current value is invalid, just clear field
+ setText("");
+ }
+ setValid(true);
+}
+
+void BitcoinAmountField::setDisplayUnit(int newUnit)
+{
+ unit->setValue(newUnit);
+}