// Copyright (c) 2011-2016 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include "receiverequestdialog.h" #include "ui_receiverequestdialog.h" #include "bitcoinunits.h" #include "guiconstants.h" #include "guiutil.h" #include "optionsmodel.h" #include "walletmodel.h" #include #include #include #include #include #include #if QT_VERSION < 0x050000 #include #endif #if defined(HAVE_CONFIG_H) #include "config/bitcoin-config.h" /* for USE_QRCODE */ #endif #ifdef USE_QRCODE #include #endif QRImageWidget::QRImageWidget(QWidget *parent): QLabel(parent), contextMenu(0) { contextMenu = new QMenu(this); QAction *saveImageAction = new QAction(tr("&Save Image..."), this); connect(saveImageAction, SIGNAL(triggered()), this, SLOT(saveImage())); contextMenu->addAction(saveImageAction); QAction *copyImageAction = new QAction(tr("&Copy Image"), this); connect(copyImageAction, SIGNAL(triggered()), this, SLOT(copyImage())); contextMenu->addAction(copyImageAction); } QImage QRImageWidget::exportImage() { if(!pixmap()) return QImage(); return pixmap()->toImage(); } void QRImageWidget::mousePressEvent(QMouseEvent *event) { if(event->button() == Qt::LeftButton && pixmap()) { event->accept(); QMimeData *mimeData = new QMimeData; mimeData->setImageData(exportImage()); QDrag *drag = new QDrag(this); drag->setMimeData(mimeData); drag->exec(); } else { QLabel::mousePressEvent(event); } } void QRImageWidget::saveImage() { if(!pixmap()) return; QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), NULL); if (!fn.isEmpty()) { exportImage().save(fn); } } void QRImageWidget::copyImage() { if(!pixmap()) return; QApplication::clipboard()->setImage(exportImage()); } void QRImageWidget::contextMenuEvent(QContextMenuEvent *event) { if(!pixmap()) return; contextMenu->exec(event->globalPos()); } ReceiveRequestDialog::ReceiveRequestDialog(QWidget *parent) : QDialog(parent), ui(new Ui::ReceiveRequestDialog), model(0) { ui->setupUi(this); #ifndef USE_QRCODE ui->btnSaveAs->setVisible(false); ui->lblQRCode->setVisible(false); #endif connect(ui->btnSaveAs, SIGNAL(clicked()), ui->lblQRCode, SLOT(saveImage())); } ReceiveRequestDialog::~ReceiveRequestDialog() { delete ui; } void ReceiveRequestDialog::setModel(OptionsModel *_model) { this->model = _model; if (_model) connect(_model, SIGNAL(displayUnitChanged(int)), this, SLOT(update())); // update the display unit if necessary update(); } void ReceiveRequestDialog::setInfo(const SendCoinsRecipient &_info) { this->info = _info; update(); } void ReceiveRequestDialog::update() { if(!model) return; QString target = info.label; if(target.isEmpty()) target = info.address; setWindowTitle(tr("Request payment to %1").arg(target)); QString uri = GUIUtil::formatBitcoinURI(info); ui->btnSaveAs->setEnabled(false); QString html; html += ""; html += ""+tr("Payment information")+"
"; html += ""+tr("URI")+": "; html += "" + GUIUtil::HtmlEscape(uri) + "
"; html += ""+tr("Address")+": " + GUIUtil::HtmlEscape(info.address) + "
"; if(info.amount) html += ""+tr("Amount")+": " + BitcoinUnits::formatHtmlWithUnit(model->getDisplayUnit(), info.amount) + "
"; if(!info.label.isEmpty()) html += ""+tr("Label")+": " + GUIUtil::HtmlEscape(info.label) + "
"; if(!info.message.isEmpty()) html += ""+tr("Message")+": " + GUIUtil::HtmlEscape(info.message) + "
"; ui->outUri->setText(html); #ifdef USE_QRCODE ui->lblQRCode->setText(""); if(!uri.isEmpty()) { // limit URI length if (uri.length() > MAX_URI_LENGTH) { ui->lblQRCode->setText(tr("Resulting URI too long, try to reduce the text for label / message.")); } else { QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1); if (!code) { ui->lblQRCode->setText(tr("Error encoding URI into QR Code.")); return; } QImage qrImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32); qrImage.fill(0xffffff); unsigned char *p = code->data; for (int y = 0; y < code->width; y++) { for (int x = 0; x < code->width; x++) { qrImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff)); p++; } } QRcode_free(code); QImage qrAddrImage = QImage(QR_IMAGE_SIZE, QR_IMAGE_SIZE+20, QImage::Format_RGB32); qrAddrImage.fill(0xffffff); QPainter painter(&qrAddrImage); painter.drawImage(0, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE)); QFont font = GUIUtil::fixedPitchFont(); font.setPixelSize(12); painter.setFont(font); QRect paddedRect = qrAddrImage.rect(); paddedRect.setHeight(QR_IMAGE_SIZE+12); painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, info.address); painter.end(); ui->lblQRCode->setPixmap(QPixmap::fromImage(qrAddrImage)); ui->btnSaveAs->setEnabled(true); } } #endif } void ReceiveRequestDialog::on_btnCopyURI_clicked() { GUIUtil::setClipboard(GUIUtil::formatBitcoinURI(info)); } void ReceiveRequestDialog::on_btnCopyAddress_clicked() { GUIUtil::setClipboard(info.address); }