GUI: Move QRImageWidget to its own file-pair

1 files changed, 1 insertions, 127 deletions

diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp
index 6eb2171f1b..20b29145a0 100644
--- a/src/qt/receiverequestdialog.cpp
+++ b/src/qt/receiverequestdialog.cpp
@@ -6,143 +6,17 @@
 #include <qt/forms/ui_receiverequestdialog.h>
 
 #include <qt/bitcoinunits.h>
-#include <qt/guiconstants.h>
 #include <qt/guiutil.h>
 #include <qt/optionsmodel.h>
+#include <qt/qrimagewidget.h>
 
 #include <QClipboard>
-#include <QDrag>
-#include <QMenu>
-#include <QMimeData>
-#include <QMouseEvent>
 #include <QPixmap>
 
 #if defined(HAVE_CONFIG_H)
 #include <config/bitcoin-config.h> /* for USE_QRCODE */
 #endif
 
-#ifdef USE_QRCODE
-#include <qrencode.h>
-#endif
-
-QRImageWidget::QRImageWidget(QWidget *parent):
-    QLabel(parent), contextMenu(nullptr)
-{
-    contextMenu = new QMenu(this);
-    QAction *saveImageAction = new QAction(tr("&Save Image..."), this);
-    connect(saveImageAction, &QAction::triggered, this, &QRImageWidget::saveImage);
-    contextMenu->addAction(saveImageAction);
-    QAction *copyImageAction = new QAction(tr("&Copy Image"), this);
-    connect(copyImageAction, &QAction::triggered, this, &QRImageWidget::copyImage);
-    contextMenu->addAction(copyImageAction);
-}
-
-bool QRImageWidget::setQR(const QString& data, const QString& text)
-{
-#ifdef USE_QRCODE
-    setText("");
-    if (data.isEmpty()) return false;
-
-    // limit length
-    if (data.length() > MAX_URI_LENGTH) {
-        setText(tr("Resulting URI too long, try to reduce the text for label / message."));
-        return false;
-    }
-
-    QRcode *code = QRcode_encodeString(data.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
-
-    if (!code) {
-        setText(tr("Error encoding URI into QR Code."));
-        return false;
-    }
-
-    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 + (text.isEmpty() ? 0 : 20), QImage::Format_RGB32);
-    qrAddrImage.fill(0xffffff);
-    QPainter painter(&qrAddrImage);
-    painter.drawImage(0, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE));
-
-    if (!text.isEmpty()) {
-        QFont font = GUIUtil::fixedPitchFont();
-        QRect paddedRect = qrAddrImage.rect();
-
-        // calculate ideal font size
-        qreal font_size = GUIUtil::calculateIdealFontSize(paddedRect.width() - 20, text, font);
-        font.setPointSizeF(font_size);
-
-        painter.setFont(font);
-        paddedRect.setHeight(QR_IMAGE_SIZE+12);
-        painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, text);
-    }
-
-    painter.end();
-    setPixmap(QPixmap::fromImage(qrAddrImage));
-
-    return true;
-#else
-    setText(tr("QR code support not available."));
-    return false;
-#endif
-}
-
-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)"), nullptr);
-    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),