1 #include "bitcoinamountfield.h"
5 #include <QRegExpValidator>
9 BitcoinAmountField::BitcoinAmountField(QWidget *parent):
10 QWidget(parent), amount(0), decimals(0)
12 amount = new QLineEdit(this);
13 amount->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
14 amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
15 amount->installEventFilter(this);
16 amount->setMaximumWidth(100);
17 decimals = new QLineEdit(this);
18 decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
19 decimals->setMaxLength(8);
20 decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter);
21 decimals->setMaximumWidth(75);
23 QHBoxLayout *layout = new QHBoxLayout(this);
24 layout->setSpacing(0);
25 layout->addWidget(amount);
26 layout->addWidget(new QLabel(QString(".")));
27 layout->addWidget(decimals);
28 layout->addWidget(new QLabel(QString(" BTC")));
29 layout->addStretch(1);
30 layout->setContentsMargins(0,0,0,0);
32 setFocusPolicy(Qt::TabFocus);
34 setFocusProxy(amount);
36 // If one if the widgets changes, the combined content changes as well
37 connect(amount, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
38 connect(decimals, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
41 void BitcoinAmountField::setText(const QString &text)
43 const QStringList parts = text.split(QString("."));
46 amount->setText(parts[0]);
47 decimals->setText(parts[1]);
51 amount->setText(QString());
52 decimals->setText(QString());
56 QString BitcoinAmountField::text() const
58 if(amount->text().isEmpty() || decimals->text().isEmpty())
60 return amount->text() + QString(".") + decimals->text();
63 // Intercept '.' and ',' keys, if pressed focus a specified widget
64 bool BitcoinAmountField::eventFilter(QObject *object, QEvent *event)
67 if(event->type() == QEvent::KeyPress)
69 QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
70 if(keyEvent->key() == Qt::Key_Period || keyEvent->key() == Qt::Key_Comma)
73 decimals->selectAll();