// Copyright (c) 2011-2013 The Bitcoin developers // Distributed under the MIT/X11 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 <QClipboard> #include <QDrag> #include <QMimeData> #include <QMouseEvent> #include <QPixmap> #if QT_VERSION < 0x050000 #include <QUrl> #endif #if defined(HAVE_CONFIG_H) #include "bitcoin-config.h" /* for USE_QRCODE */ #endif #ifdef USE_QRCODE #include <qrencode.h> #endif QRImageWidget::QRImageWidget(QWidget *parent): QLabel(parent) { setContextMenuPolicy(Qt::ActionsContextMenu); QAction *saveImageAction = new QAction(tr("&Save Image..."), this); connect(saveImageAction, SIGNAL(triggered()), this, SLOT(saveImage())); addAction(saveImageAction); QAction *copyImageAction = new QAction(tr("&Copy Image"), this); connect(copyImageAction, SIGNAL(triggered()), this, SLOT(copyImage())); addAction(copyImageAction); } QImage QRImageWidget::exportImage() { return pixmap()->toImage().scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE); } void QRImageWidget::mousePressEvent(QMouseEvent *event) { if(event->button() == Qt::LeftButton) { 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() { QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), NULL); if (!fn.isEmpty()) { exportImage().save(fn); } } void QRImageWidget::copyImage() { QApplication::clipboard()->setImage(exportImage()); } 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><font face='verdana, arial, helvetica, sans-serif'>"; html += "<b>"+tr("Payment information")+"</b><br>"; html += "<b>"+tr("URI")+"</b>: "; html += "<a href=\""+uri+"\">" + GUIUtil::HtmlEscape(uri) + "</a><br>"; html += "<b>"+tr("Address")+"</b>: " + GUIUtil::HtmlEscape(info.address) + "<br>"; if(info.amount) html += "<b>"+tr("Amount")+"</b>: " + BitcoinUnits::formatWithUnit(model->getDisplayUnit(), info.amount) + "<br>"; if(!info.label.isEmpty()) html += "<b>"+tr("Label")+"</b>: " + GUIUtil::HtmlEscape(info.label) + "<br>"; if(!info.message.isEmpty()) html += "<b>"+tr("Message")+"</b>: " + GUIUtil::HtmlEscape(info.message) + "<br>"; 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 myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32); myImage.fill(0xffffff); unsigned char *p = code->data; for (int y = 0; y < code->width; y++) { for (int x = 0; x < code->width; x++) { myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff)); p++; } } QRcode_free(code); ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300)); ui->btnSaveAs->setEnabled(true); } } #endif } void ReceiveRequestDialog::on_btnCopyURI_clicked() { GUIUtil::setClipboard(GUIUtil::formatBitcoinURI(info)); } void ReceiveRequestDialog::on_btnCopyAddress_clicked() { GUIUtil::setClipboard(info.address); }