1 files changed, 183 insertions, 0 deletions
diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp
new file mode 100644
index 0000000000..cb0a07fcdf
--- /dev/null
+++ b/src/qt/receiverequestdialog.cpp
@@ -0,0 +1,183 @@
+#include "receiverequestdialog.h"
+#include "ui_receiverequestdialog.h"
+
+#include "bitcoinunits.h"
+#include "guiconstants.h"
+#include "guiutil.h"
+#include "optionsmodel.h"
+#include "walletmodel.h"
+
+#include <QPixmap>
+#include <QClipboard>
+#include <QMouseEvent>
+#include <QDrag>
+#include <QMimeData>
+#if QT_VERSION < 0x050000
+#include <QUrl>
+#endif
+
+#include "bitcoin-config.h" /* for USE_QRCODE */
+
+#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 Images (*.png)"));
+    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->btnCopyImage->setVisible(false);
+    ui->lblQRCode->setVisible(false);
+#endif
+
+    connect(ui->btnSaveAs, SIGNAL(clicked()), ui->lblQRCode, SLOT(saveImage()));
+    connect(ui->btnCopyImage, SIGNAL(clicked()), ui->lblQRCode, SLOT(copyImage()));
+}
+
+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()
+{
+    QString uri = GUIUtil::formatBitcoinURI(info);
+    QApplication::clipboard()->setText(uri, QClipboard::Clipboard);
+    QApplication::clipboard()->setText(uri, QClipboard::Selection);
+}
+
+void ReceiveRequestDialog::on_btnCopyAddress_clicked()
+{
+    QApplication::clipboard()->setText(info.address, QClipboard::Clipboard);
+    QApplication::clipboard()->setText(info.address, QClipboard::Selection);
+}