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bd960ea088
dive-pointers are stable and the dive picture model is reset if a selected dive is removed, so there is no risk in keeping pointers. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef DIVEPICTUREMODEL_H
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#define DIVEPICTUREMODEL_H
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#include "core/units.h"
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#include <QAbstractTableModel>
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#include <QImage>
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#include <QFuture>
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// We use std::string instead of QString to use the same character-encoding
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// as in the C core (UTF-8). This is crucial to guarantee the same sort-order.
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struct dive;
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struct PictureEntry {
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dive *d;
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std::string filename;
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QImage image;
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int offsetSeconds;
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duration_t length;
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};
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class DivePictureModel : public QAbstractTableModel {
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Q_OBJECT
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public:
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static DivePictureModel *instance();
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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void updateDivePictures();
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void removePictures(const QVector<QString> &fileUrls);
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signals:
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void picturesRemoved(const QVector<QString> &fileUrls);
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public slots:
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void setZoomLevel(int level);
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void updateThumbnail(QString filename, QImage thumbnail, duration_t duration);
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void pictureOffsetChanged(dive *d, const QString filename, offset_t offset);
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private:
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DivePictureModel();
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QVector<PictureEntry> pictures;
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int findPictureId(const std::string &filename); // Return -1 if not found
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double zoomLevel; // -1.0: minimum, 0.0: standard, 1.0: maximum
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int size;
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void updateThumbnails();
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void updateZoom();
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};
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#endif
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