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-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT-
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
// Copyright (c) 2011-2020 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 constexpr int QR_IMAGE_SIZE = 300;
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static constexpr int QR_IMAGE_TEXT_MARGIN = 10;
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static constexpr int QR_IMAGE_MARGIN = 2 * QR_IMAGE_TEXT_MARGIN;
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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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