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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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// A small custom scatter series, where every item represents a dive
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// The original QScatterSeries was buggy and distinctly slower
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#ifndef SCATTER_SERIES_H
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#define SCATTER_SERIES_H
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#include "statsseries.h"
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#include <memory>
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#include <vector>
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#include <QGraphicsRectItem>
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class QGraphicsPixmapItem;
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class InformationBox;
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struct StatsVariable;
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struct dive;
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class ScatterSeries : public StatsSeries {
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public:
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ScatterSeries(QtCharts::QChart *chart, StatsAxis *xAxis, StatsAxis *yAxis,
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const StatsVariable &varX, const StatsVariable &varY);
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~ScatterSeries();
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void updatePositions() override;
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bool hover(QPointF pos) override;
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void unhighlight() override;
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// Note: this expects that all items are added with increasing pos!
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void append(dive *d, double pos, double value);
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private:
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// Get items under mouse.
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// Super weird: this function can't be const, because QChart::mapToValue takes
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// a non-const reference!?
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std::vector<int> getItemsUnderMouse(const QPointF &f);
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struct Item {
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std::unique_ptr<QGraphicsPixmapItem> item;
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dive *d;
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double pos, value;
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Item(QtCharts::QChart *chart, ScatterSeries *series, dive *d, double pos, double value);
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void updatePosition(QtCharts::QChart *chart, ScatterSeries *series);
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void highlight(bool highlight);
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};
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std::unique_ptr<InformationBox> information;
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std::vector<Item> items;
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std::vector<int> highlighted;
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const StatsVariable &varX;
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const StatsVariable &varY;
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};
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#endif
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