+
−#include "bitcoinamountfield.h"
+
−#include "qvalidatedlineedit.h"
+
−
+
−#include <QLabel>
+
−#include <QLineEdit>
+
−#include <QRegExpValidator>
+
−#include <QHBoxLayout>
+
−#include <QKeyEvent>
+
−
+
−BitcoinAmountField::BitcoinAmountField(QWidget *parent):
+
−        QWidget(parent), amount(0), decimals(0)
+
−{
+
−    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 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(decimals);
+
−    layout->addWidget(new QLabel(QString(" BTC")));
+
−    layout->addStretch(1);
+
−    layout->setContentsMargins(0,0,0,0);
+
−
+
−    setLayout(layout);
+
−
+
−    setFocusPolicy(Qt::TabFocus);
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−    setFocusProxy(amount);
+
−
+
−    // If one if the widgets changes, the combined content changes as well
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−    connect(amount, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
+
−    connect(decimals, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
+
−}
+
−
+
−void BitcoinAmountField::setText(const QString &text)
+
−{
+
−    const QStringList parts = text.split(QString("."));
+
−    if(parts.size() == 2)
+
−    {
+
−        amount->setText(parts[0]);
+
−        decimals->setText(parts[1]);
+
−    }
+
−    else
+
−    {
+
−        amount->setText(QString());
+
−        decimals->setText(QString());
+
−    }
+
−}
+
−
+
−bool BitcoinAmountField::validate()
+
−{
+
−    bool valid = true;
+
−    if(amount->text().isEmpty())
+
−    {
+
−        amount->setValid(false);
+
−        valid = false;
+
−    }
+
−    if(decimals->text().isEmpty())
+
−    {
+
−        decimals->setValid(false);
+
−        valid = false;
+
−    }
+
−    return valid;
+
−}
+
−
+
−QString BitcoinAmountField::text() const
+
−{
+
−    if(amount->text().isEmpty() || decimals->text().isEmpty())
+
−    {
+
−        return QString();
+
−    }
+
−    return amount->text() + QString(".") + decimals->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)
+
−    {
+
−        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+
−        if(keyEvent->key() == Qt::Key_Period || keyEvent->key() == Qt::Key_Comma)
+
−        {
+
−            decimals->setFocus();
+
−            decimals->selectAll();
+
−        }
+
−    }
+
−    return false;
+
−}
+
−
+
−QWidget *BitcoinAmountField::setupTabChain(QWidget *prev)
+
−{
+
−    QWidget::setTabOrder(prev, amount);
+
−    QWidget::setTabOrder(amount, decimals);
+
−    return decimals;
+
−}