#include "bitcoinamountfield.h"
-#include "qvalidatedlineedit.h"
+#include "qvaluecombobox.h"
+#include "bitcoinunits.h"
+
+#include "guiconstants.h"
#include <QLabel>
#include <QLineEdit>
#include <QRegExpValidator>
#include <QHBoxLayout>
#include <QKeyEvent>
+#include <QDoubleSpinBox>
+#include <QComboBox>
+#include <QApplication>
+#include <qmath.h>
BitcoinAmountField::BitcoinAmountField(QWidget *parent):
- QWidget(parent), amount(0), decimals(0)
+ QWidget(parent), amount(0), currentUnit(-1)
{
- amount = new QValidatedLineEdit(this);
- amount->setValidator(new QRegExpValidator(QRegExp("[0-9]?"), this));
- amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
+ amount = new QDoubleSpinBox(this);
+ amount->setLocale(QLocale::c());
+ amount->setDecimals(8);
amount->installEventFilter(this);
- amount->setMaximumWidth(100);
- decimals = new QValidatedLineEdit(this);
- decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
- decimals->setMaxLength(8);
- decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter);
- decimals->setMaximumWidth(75);
+ amount->setMaximumWidth(170);
+ amount->setSingleStep(0.001);
QHBoxLayout *layout = new QHBoxLayout(this);
- layout->setSpacing(0);
layout->addWidget(amount);
- layout->addWidget(new QLabel(QString(".")));
- 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);
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(amount, SIGNAL(valueChanged(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)
{
- const QStringList parts = text.split(QString("."));
- if(parts.size() == 2)
- {
- amount->setText(parts[0]);
- decimals->setText(parts[1]);
- }
+ if (text.isEmpty())
+ amount->clear();
else
- {
- amount->setText(QString());
- decimals->setText(QString());
- }
+ amount->setValue(text.toDouble());
}
void BitcoinAmountField::clear()
{
amount->clear();
- decimals->clear();
+ unit->setCurrentIndex(0);
}
bool BitcoinAmountField::validate()
{
bool valid = true;
- if(decimals->text().isEmpty())
- {
- decimals->setValid(false);
+ if (amount->value() == 0.0)
valid = false;
- }
+ if (valid && !BitcoinUnits::parse(currentUnit, text(), 0))
+ valid = false;
+
+ setValid(valid);
+
return valid;
}
+void BitcoinAmountField::setValid(bool valid)
+{
+ if (valid)
+ amount->setStyleSheet("");
+ else
+ amount->setStyleSheet(STYLE_INVALID);
+}
+
QString BitcoinAmountField::text() const
{
- if(decimals->text().isEmpty())
- {
+ if (amount->text().isEmpty())
return QString();
- }
- return amount->text() + QString(".") + decimals->text();
+ else
+ return amount->text();
}
-// Intercept '.' and ',' keys, if pressed focus a specified widget
bool BitcoinAmountField::eventFilter(QObject *object, QEvent *event)
{
- Q_UNUSED(object);
- if(event->type() == QEvent::KeyPress)
+ if (event->type() == QEvent::FocusIn)
+ {
+ // Clear invalid flag on focus
+ setValid(true);
+ }
+ else if (event->type() == QEvent::KeyPress || event->type() == QEvent::KeyRelease)
{
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
- if(keyEvent->key() == Qt::Key_Period || keyEvent->key() == Qt::Key_Comma)
+ if (keyEvent->key() == Qt::Key_Comma)
{
- decimals->setFocus();
- decimals->selectAll();
+ // Translate a comma into a period
+ QKeyEvent periodKeyEvent(event->type(), Qt::Key_Period, keyEvent->modifiers(), ".", keyEvent->isAutoRepeat(), keyEvent->count());
+ qApp->sendEvent(object, &periodKeyEvent);
+ return true;
}
}
- return false;
+ return QWidget::eventFilter(object, event);
}
QWidget *BitcoinAmountField::setupTabChain(QWidget *prev)
{
QWidget::setTabOrder(prev, amount);
- QWidget::setTabOrder(amount, decimals);
- return decimals;
+ return amount;
+}
+
+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->setDecimals(BitcoinUnits::decimals(currentUnit));
+ amount->setMaximum(qPow(10, BitcoinUnits::amountDigits(currentUnit)) - qPow(10, -amount->decimals()));
+
+ if(valid)
+ {
+ // If value was valid, re-place it in the widget with the new unit
+ setValue(currentValue);
+ }
+ else
+ {
+ // If current value is invalid, just clear field
+ setText("");
+ }
+ setValid(true);
+}
+
+void BitcoinAmountField::setDisplayUnit(int newUnit)
+{
+ unit->setValue(newUnit);
}