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68 lines
2.0 KiB
68 lines
2.0 KiB
14 years ago
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#include "bitcoinamountfield.h"
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#include <QLabel>
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#include <QLineEdit>
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#include <QRegExpValidator>
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#include <QHBoxLayout>
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#include <QKeyEvent>
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BitcoinAmountField::BitcoinAmountField(QWidget *parent):
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QWidget(parent), amount(0), decimals(0)
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{
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amount = new QLineEdit(this);
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amount->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
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amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
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amount->installEventFilter(this);
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amount->setMaximumWidth(80);
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decimals = new QLineEdit(this);
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decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
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decimals->setMaxLength(8);
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decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter);
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decimals->setMaximumWidth(75);
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QHBoxLayout *layout = new QHBoxLayout(this);
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layout->setSpacing(0);
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layout->addWidget(amount);
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layout->addWidget(new QLabel(QString(".")));
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layout->addWidget(decimals);
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layout->addStretch(1);
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setFocusPolicy(Qt::TabFocus);
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setLayout(layout);
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setFocusProxy(amount);
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// If one if the widgets changes, the combined content changes as well
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connect(amount, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
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connect(decimals, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged()));
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}
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void BitcoinAmountField::setText(const QString &text)
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{
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const QStringList parts = text.split(QString("."));
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if(parts.size() == 2)
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{
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amount->setText(parts[0]);
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decimals->setText(parts[1]);
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}
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}
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QString BitcoinAmountField::text() const
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{
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return amount->text() + QString(".") + decimals->text();
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}
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// Intercept '.' and ',' keys, if pressed focus a specified widget
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bool BitcoinAmountField::eventFilter(QObject *object, QEvent *event)
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{
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Q_UNUSED(object);
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if(event->type() == QEvent::KeyPress)
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{
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QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
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if(keyEvent->key() == Qt::Key_Period || keyEvent->key() == Qt::Key_Comma)
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{
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decimals->setFocus();
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}
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}
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return false;
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}
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