1 #include "bitcoinamountfield.h"
2 #include "qvalidatedlineedit.h"
6 #include <QRegExpValidator>
10 BitcoinAmountField::BitcoinAmountField(QWidget *parent):
11 QWidget(parent), amount(0), decimals(0)
13 amount = new QValidatedLineEdit(this);
14 amount->setValidator(new QRegExpValidator(QRegExp("[0-9]?"), this));
15 amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
16 amount->installEventFilter(this);
17 amount->setMaximumWidth(100);
18 decimals = new QValidatedLineEdit(this);
19 decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
20 decimals->setMaxLength(8);
21 decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter);
22 decimals->setMaximumWidth(75);
24 QHBoxLayout *layout = new QHBoxLayout(this);
25 layout->setSpacing(0);
26 layout->addWidget(amount);
27 layout->addWidget(new QLabel(QString(".")));
28 layout->addWidget(decimals);
29 layout->addWidget(new QLabel(QString(" BTC")));
30 layout->addStretch(1);
31 layout->setContentsMargins(0,0,0,0);
35 setFocusPolicy(Qt::TabFocus);
36 setFocusProxy(amount);
38 // If one if the widgets changes, the combined content changes as well
39 connect(amount, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
40 connect(decimals, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
43 void BitcoinAmountField::setText(const QString &text)
45 const QStringList parts = text.split(QString("."));
48 amount->setText(parts[0]);
49 decimals->setText(parts[1]);
53 amount->setText(QString());
54 decimals->setText(QString());
58 void BitcoinAmountField::clear()
64 bool BitcoinAmountField::validate()
67 if(decimals->text().isEmpty())
69 decimals->setValid(false);
75 QString BitcoinAmountField::text() const
77 if(decimals->text().isEmpty())
81 return amount->text() + QString(".") + decimals->text();
84 // Intercept '.' and ',' keys, if pressed focus a specified widget
85 bool BitcoinAmountField::eventFilter(QObject *object, QEvent *event)
88 if(event->type() == QEvent::KeyPress)
90 QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
91 if(keyEvent->key() == Qt::Key_Period || keyEvent->key() == Qt::Key_Comma)
94 decimals->selectAll();
100 QWidget *BitcoinAmountField::setupTabChain(QWidget *prev)
102 QWidget::setTabOrder(prev, amount);
103 QWidget::setTabOrder(amount, decimals);