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// SPDX-License-Identifier: GPL-2.0
// A small custom scatter series, where every item represents a dive
// The original QScatterSeries was buggy and distinctly slower
#ifndef SCATTER_SERIES_H
#define SCATTER_SERIES_H
#include "statsseries.h"
#include <memory>
#include <vector>
#include <QGraphicsRectItem>
class QGraphicsPixmapItem;
class InformationBox;
struct StatsVariable;
struct dive;
class ScatterSeries : public StatsSeries {
public:
ScatterSeries(QtCharts::QChart *chart, StatsAxis *xAxis, StatsAxis *yAxis,
const StatsVariable &varX, const StatsVariable &varY);
~ScatterSeries();
void updatePositions() override;
bool hover(QPointF pos) override;
void unhighlight() override;
// Note: this expects that all items are added with increasing pos!
void append(dive *d, double pos, double value);
private:
// Get items under mouse.
std::vector<int> getItemsUnderMouse(const QPointF &f) const;
struct Item {
std::unique_ptr<QGraphicsPixmapItem> item;
dive *d;
double pos, value;
Item(QtCharts::QChart *chart, ScatterSeries *series, dive *d, double pos, double value);
void updatePosition(ScatterSeries *series);
void highlight(bool highlight);
};
std::unique_ptr<InformationBox> information;
std::vector<Item> items;
std::vector<int> highlighted;
const StatsVariable &varX;
const StatsVariable &varY;
};
#endif
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