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merge bitcoin#15928: Move QRImageWidget to its own file-pair
This commit is contained in:
parent
adc3f0478c
commit
4486659768
@ -84,6 +84,7 @@ QT_MOC_CPP = \
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qt/moc_peertablemodel.cpp \
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qt/moc_peertablemodel.cpp \
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qt/moc_paymentserver.cpp \
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qt/moc_paymentserver.cpp \
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qt/moc_qrdialog.cpp \
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qt/moc_qrdialog.cpp \
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qt/moc_qrimagewidget.cpp \
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qt/moc_qvalidatedlineedit.cpp \
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qt/moc_qvalidatedlineedit.cpp \
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qt/moc_qvaluecombobox.cpp \
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qt/moc_qvaluecombobox.cpp \
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qt/moc_receivecoinsdialog.cpp \
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qt/moc_receivecoinsdialog.cpp \
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@ -167,6 +168,7 @@ BITCOIN_QT_H = \
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qt/paymentserver.h \
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qt/paymentserver.h \
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qt/peertablemodel.h \
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qt/peertablemodel.h \
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qt/qrdialog.h \
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qt/qrdialog.h \
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qt/qrimagewidget.h \
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qt/qvalidatedlineedit.h \
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qt/qvalidatedlineedit.h \
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qt/qvaluecombobox.h \
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qt/qvaluecombobox.h \
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qt/receivecoinsdialog.h \
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qt/receivecoinsdialog.h \
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@ -266,6 +268,7 @@ BITCOIN_QT_WALLET_CPP = \
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qt/overviewpage.cpp \
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qt/overviewpage.cpp \
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qt/paymentserver.cpp \
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qt/paymentserver.cpp \
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qt/qrdialog.cpp \
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qt/qrdialog.cpp \
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qt/qrimagewidget.cpp \
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qt/receivecoinsdialog.cpp \
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qt/receivecoinsdialog.cpp \
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qt/receiverequestdialog.cpp \
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qt/receiverequestdialog.cpp \
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qt/recentrequeststablemodel.cpp \
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qt/recentrequeststablemodel.cpp \
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@ -127,7 +127,7 @@
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<customwidget>
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<customwidget>
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<class>QRImageWidget</class>
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<class>QRImageWidget</class>
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<extends>QLabel</extends>
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<extends>QLabel</extends>
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<header>qt/receiverequestdialog.h</header>
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<header>qt/qrimagewidget.h</header>
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</customwidget>
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</customwidget>
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</customwidgets>
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</customwidgets>
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<resources/>
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<resources/>
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@ -32,12 +32,6 @@ static const bool DEFAULT_SPLASHSCREEN = true;
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*/
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*/
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static const int TOOLTIP_WRAP_THRESHOLD = 80;
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static const int TOOLTIP_WRAP_THRESHOLD = 80;
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/* Maximum allowed URI length */
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static const int MAX_URI_LENGTH = 255;
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/* QRCodeDialog -- size of exported QR Code image */
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#define QR_IMAGE_SIZE 300
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/* Number of frames in spinner animation */
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/* Number of frames in spinner animation */
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#define SPINNER_FRAMES 90
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#define SPINNER_FRAMES 90
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@ -8,6 +8,7 @@
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#include <qt/bitcoinunits.h>
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#include <qt/bitcoinunits.h>
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#include <qt/guiconstants.h>
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#include <qt/guiconstants.h>
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#include <qt/guiutil.h>
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#include <qt/guiutil.h>
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#include <qt/qrimagewidget.h>
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#include <QClipboard>
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#include <QClipboard>
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#include <QDrag>
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#include <QDrag>
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152
src/qt/qrimagewidget.cpp
Normal file
152
src/qt/qrimagewidget.cpp
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@ -0,0 +1,152 @@
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// Copyright (c) 2011-2018 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <qt/qrimagewidget.h>
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#include <qt/guiutil.h>
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#include <QApplication>
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#include <QClipboard>
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#include <QDrag>
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#include <QMenu>
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#include <QMimeData>
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#include <QMouseEvent>
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#include <QPainter>
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#if defined(HAVE_CONFIG_H)
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#include <config/dash-config.h> /* for USE_QRCODE */
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#endif
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#ifdef USE_QRCODE
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#include <qrencode.h>
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#endif
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QRImageWidget::QRImageWidget(QWidget *parent):
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QLabel(parent), contextMenu(nullptr)
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{
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contextMenu = new QMenu(this);
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QAction *saveImageAction = new QAction(tr("&Save Image..."), this);
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connect(saveImageAction, &QAction::triggered, this, &QRImageWidget::saveImage);
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contextMenu->addAction(saveImageAction);
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QAction *copyImageAction = new QAction(tr("&Copy Image"), this);
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connect(copyImageAction, &QAction::triggered, this, &QRImageWidget::copyImage);
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contextMenu->addAction(copyImageAction);
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}
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bool QRImageWidget::setQR(const QString& data, const QString& text)
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{
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#ifdef USE_QRCODE
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setText("");
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if (data.isEmpty()) return false;
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// limit length
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if (data.length() > MAX_URI_LENGTH) {
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setText(tr("Resulting URI too long, try to reduce the text for label / message."));
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return false;
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}
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QRcode *code = QRcode_encodeString(data.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
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if (!code) {
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setText(tr("Error encoding URI into QR Code."));
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return false;
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}
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QImage qrImage = QImage(code->width + 6, code->width + 6, QImage::Format_RGB32);
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qrImage.fill(GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BACKGROUND_WIDGET));
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unsigned char *p = code->data;
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for (int y = 0; y < code->width; y++)
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{
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for (int x = 0; x < code->width; x++)
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{
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qrImage.setPixel(x + 3, y + 3, ((*p & 1) ? GUIUtil::getThemedQColor(GUIUtil::ThemedColor::QR_PIXEL).rgb() : GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BACKGROUND_WIDGET).rgb()));
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p++;
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}
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}
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QRcode_free(code);
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// Create the image with respect to the device pixel ratio
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int qrAddrImageWidth = QR_IMAGE_SIZE;
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int qrAddrImageHeight = QR_IMAGE_SIZE + 20;
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qreal scale = qApp->devicePixelRatio();
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QImage qrAddrImage = QImage(qrAddrImageWidth * scale, qrAddrImageHeight * scale, QImage::Format_RGB32);
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qrAddrImage.setDevicePixelRatio(scale);
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QPainter painter(&qrAddrImage);
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// Fill the whole image with border color
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qrAddrImage.fill(GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BORDER_WIDGET));
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// Create a 2px/2px smaller rect and fill it with background color to keep the 1px border with the border color
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QRect paddedRect = QRect(1, 1, qrAddrImageWidth - 2, qrAddrImageHeight - 2);
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painter.fillRect(paddedRect, GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BACKGROUND_WIDGET));
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painter.drawImage(2, 2, qrImage.scaled(QR_IMAGE_SIZE - 4, QR_IMAGE_SIZE - 4));
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// calculate ideal font size
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QFont font = GUIUtil::getFontNormal();
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qreal font_size = GUIUtil::calculateIdealFontSize((paddedRect.width() - 20), text, font);
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font.setPointSizeF(font_size);
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// paint the address
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painter.setFont(font);
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painter.setPen(GUIUtil::getThemedQColor(GUIUtil::ThemedColor::QR_PIXEL));
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paddedRect.setHeight(QR_IMAGE_SIZE + 3);
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painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, text);
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painter.end();
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setPixmap(QPixmap::fromImage(qrAddrImage));
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return true;
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#else
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setText(tr("QR code support not available."));
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return false;
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#endif
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}
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QImage QRImageWidget::exportImage()
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{
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if(!pixmap())
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return QImage();
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return pixmap()->toImage();
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}
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void QRImageWidget::mousePressEvent(QMouseEvent *event)
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{
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if(event->button() == Qt::LeftButton && pixmap())
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{
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event->accept();
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QMimeData *mimeData = new QMimeData;
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mimeData->setImageData(exportImage());
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QDrag *drag = new QDrag(this);
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drag->setMimeData(mimeData);
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drag->exec();
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} else {
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QLabel::mousePressEvent(event);
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}
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}
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void QRImageWidget::saveImage()
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{
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if(!pixmap())
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return;
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QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), nullptr);
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if (!fn.isEmpty())
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{
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exportImage().save(fn);
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}
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}
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void QRImageWidget::copyImage()
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{
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if(!pixmap())
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return;
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QApplication::clipboard()->setImage(exportImage());
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}
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void QRImageWidget::contextMenuEvent(QContextMenuEvent *event)
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{
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if(!pixmap())
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return;
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contextMenu->exec(event->globalPos());
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}
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45
src/qt/qrimagewidget.h
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45
src/qt/qrimagewidget.h
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@ -0,0 +1,45 @@
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// Copyright (c) 2011-2018 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_QT_QRIMAGEWIDGET_H
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#define BITCOIN_QT_QRIMAGEWIDGET_H
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#include <QImage>
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#include <QLabel>
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/* Maximum allowed URI length */
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static const int MAX_URI_LENGTH = 255;
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/* Size of exported QR Code image */
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static const int QR_IMAGE_SIZE = 300;
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QT_BEGIN_NAMESPACE
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class QMenu;
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QT_END_NAMESPACE
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/* Label widget for QR code. This image can be dragged, dropped, copied and saved
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* to disk.
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*/
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class QRImageWidget : public QLabel
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{
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Q_OBJECT
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public:
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explicit QRImageWidget(QWidget *parent = nullptr);
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bool setQR(const QString& data, const QString& text = "");
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QImage exportImage();
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public Q_SLOTS:
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void saveImage();
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void copyImage();
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protected:
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void contextMenuEvent(QContextMenuEvent *event) override;
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private:
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QMenu *contextMenu;
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};
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#endif // BITCOIN_QT_QRIMAGEWIDGET_H
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@ -6,85 +6,17 @@
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#include <qt/forms/ui_receiverequestdialog.h>
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#include <qt/forms/ui_receiverequestdialog.h>
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#include <qt/bitcoinunits.h>
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#include <qt/bitcoinunits.h>
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#include <qt/guiconstants.h>
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#include <qt/guiutil.h>
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#include <qt/guiutil.h>
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#include <qt/optionsmodel.h>
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#include <qt/optionsmodel.h>
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#include <qt/qrimagewidget.h>
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#include <QClipboard>
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#include <QClipboard>
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#include <QDrag>
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#include <QMenu>
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#include <QMimeData>
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#include <QMouseEvent>
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#include <QPixmap>
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#include <QPixmap>
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#if defined(HAVE_CONFIG_H)
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#if defined(HAVE_CONFIG_H)
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#include <config/dash-config.h> /* for USE_QRCODE */
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#include <config/dash-config.h> /* for USE_QRCODE */
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#endif
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#endif
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#ifdef USE_QRCODE
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#include <qrencode.h>
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#endif
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QRImageWidget::QRImageWidget(QWidget *parent):
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QLabel(parent), contextMenu(nullptr)
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{
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contextMenu = new QMenu(this);
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QAction *saveImageAction = new QAction(tr("&Save Image..."), this);
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connect(saveImageAction, &QAction::triggered, this, &QRImageWidget::saveImage);
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contextMenu->addAction(saveImageAction);
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QAction *copyImageAction = new QAction(tr("&Copy Image"), this);
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connect(copyImageAction, &QAction::triggered, this, &QRImageWidget::copyImage);
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contextMenu->addAction(copyImageAction);
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}
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QImage QRImageWidget::exportImage()
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{
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if(!pixmap())
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return QImage();
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return pixmap()->toImage();
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}
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void QRImageWidget::mousePressEvent(QMouseEvent *event)
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{
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if(event->button() == Qt::LeftButton && pixmap())
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{
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event->accept();
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QMimeData *mimeData = new QMimeData;
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mimeData->setImageData(exportImage());
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QDrag *drag = new QDrag(this);
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drag->setMimeData(mimeData);
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drag->exec();
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} else {
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QLabel::mousePressEvent(event);
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}
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}
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void QRImageWidget::saveImage()
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{
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if(!pixmap())
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return;
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QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), nullptr);
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if (!fn.isEmpty())
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{
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exportImage().save(fn);
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}
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}
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void QRImageWidget::copyImage()
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{
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if(!pixmap())
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return;
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QApplication::clipboard()->setImage(exportImage());
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}
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void QRImageWidget::contextMenuEvent(QContextMenuEvent *event)
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{
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if(!pixmap())
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return;
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contextMenu->exec(event->globalPos());
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}
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ReceiveRequestDialog::ReceiveRequestDialog(QWidget *parent) :
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ReceiveRequestDialog::ReceiveRequestDialog(QWidget *parent) :
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QDialog(parent),
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QDialog(parent),
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ui(new Ui::ReceiveRequestDialog),
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ui(new Ui::ReceiveRequestDialog),
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@ -153,62 +85,9 @@ void ReceiveRequestDialog::update()
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}
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}
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ui->outUri->setText(html);
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ui->outUri->setText(html);
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#ifdef USE_QRCODE
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if (ui->lblQRCode->setQR(uri, info.address)) {
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ui->lblQRCode->setText("");
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if(!uri.isEmpty())
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{
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// limit URI length
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if (uri.length() > MAX_URI_LENGTH)
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{
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ui->lblQRCode->setText(tr("Resulting URI too long, try to reduce the text for label / message."));
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} else {
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QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
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if (!code)
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{
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ui->lblQRCode->setText(tr("Error encoding URI into QR Code."));
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return;
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}
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QImage qrImage = QImage(code->width + 6, code->width + 6, QImage::Format_RGB32);
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qrImage.fill(GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BACKGROUND_WIDGET));
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unsigned char *p = code->data;
|
|
||||||
for (int y = 0; y < code->width; y++)
|
|
||||||
{
|
|
||||||
for (int x = 0; x < code->width; x++)
|
|
||||||
{
|
|
||||||
qrImage.setPixel(x + 3, y + 3, ((*p & 1) ? GUIUtil::getThemedQColor(GUIUtil::ThemedColor::QR_PIXEL).rgb() : GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BACKGROUND_WIDGET).rgb()));
|
|
||||||
p++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
QRcode_free(code);
|
|
||||||
// Create the image with respect to the device pixel ratio
|
|
||||||
int qrAddrImageWidth = QR_IMAGE_SIZE;
|
|
||||||
int qrAddrImageHeight = QR_IMAGE_SIZE + 20;
|
|
||||||
qreal scale = qApp->devicePixelRatio();
|
|
||||||
QImage qrAddrImage = QImage(qrAddrImageWidth * scale, qrAddrImageHeight * scale, QImage::Format_RGB32);
|
|
||||||
qrAddrImage.setDevicePixelRatio(scale);
|
|
||||||
QPainter painter(&qrAddrImage);
|
|
||||||
// Fill the whole image with border color
|
|
||||||
qrAddrImage.fill(GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BORDER_WIDGET));
|
|
||||||
// Create a 2px/2px smaller rect and fill it with background color to keep the 1px border with the border color
|
|
||||||
QRect paddedRect = QRect(1, 1, qrAddrImageWidth - 2, qrAddrImageHeight - 2);
|
|
||||||
painter.fillRect(paddedRect, GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BACKGROUND_WIDGET));
|
|
||||||
painter.drawImage(2, 2, qrImage.scaled(QR_IMAGE_SIZE - 4, QR_IMAGE_SIZE - 4));
|
|
||||||
// calculate ideal font size
|
|
||||||
QFont font = GUIUtil::getFontNormal();
|
|
||||||
qreal font_size = GUIUtil::calculateIdealFontSize((paddedRect.width() - 20), info.address, font);
|
|
||||||
font.setPointSizeF(font_size);
|
|
||||||
// paint the address
|
|
||||||
painter.setFont(font);
|
|
||||||
painter.setPen(GUIUtil::getThemedQColor(GUIUtil::ThemedColor::QR_PIXEL));
|
|
||||||
paddedRect.setHeight(QR_IMAGE_SIZE + 3);
|
|
||||||
painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, info.address);
|
|
||||||
painter.end();
|
|
||||||
|
|
||||||
ui->lblQRCode->setPixmap(QPixmap::fromImage(qrAddrImage));
|
|
||||||
ui->btnSaveAs->setEnabled(true);
|
ui->btnSaveAs->setEnabled(true);
|
||||||
}
|
}
|
||||||
}
|
|
||||||
#endif
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void ReceiveRequestDialog::on_btnCopyURI_clicked()
|
void ReceiveRequestDialog::on_btnCopyURI_clicked()
|
||||||
|
@ -8,41 +8,11 @@
|
|||||||
#include <qt/walletmodel.h>
|
#include <qt/walletmodel.h>
|
||||||
|
|
||||||
#include <QDialog>
|
#include <QDialog>
|
||||||
#include <QImage>
|
|
||||||
#include <QLabel>
|
|
||||||
#include <QPainter>
|
|
||||||
|
|
||||||
namespace Ui {
|
namespace Ui {
|
||||||
class ReceiveRequestDialog;
|
class ReceiveRequestDialog;
|
||||||
}
|
}
|
||||||
|
|
||||||
QT_BEGIN_NAMESPACE
|
|
||||||
class QMenu;
|
|
||||||
QT_END_NAMESPACE
|
|
||||||
|
|
||||||
/* Label widget for QR code. This image can be dragged, dropped, copied and saved
|
|
||||||
* to disk.
|
|
||||||
*/
|
|
||||||
class QRImageWidget : public QLabel
|
|
||||||
{
|
|
||||||
Q_OBJECT
|
|
||||||
|
|
||||||
public:
|
|
||||||
explicit QRImageWidget(QWidget *parent = nullptr);
|
|
||||||
QImage exportImage();
|
|
||||||
|
|
||||||
public Q_SLOTS:
|
|
||||||
void saveImage();
|
|
||||||
void copyImage();
|
|
||||||
|
|
||||||
protected:
|
|
||||||
virtual void mousePressEvent(QMouseEvent *event) override;
|
|
||||||
virtual void contextMenuEvent(QContextMenuEvent *event) override;
|
|
||||||
|
|
||||||
private:
|
|
||||||
QMenu *contextMenu;
|
|
||||||
};
|
|
||||||
|
|
||||||
class ReceiveRequestDialog : public QDialog
|
class ReceiveRequestDialog : public QDialog
|
||||||
{
|
{
|
||||||
Q_OBJECT
|
Q_OBJECT
|
||||||
|
Loading…
Reference in New Issue
Block a user