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// SPDX-License-Identifier: GPL-2.0
// Base class for all series. Defines a small virtual interface
// concerning highlighting of series items.
#ifndef STATS_SERIES_H
#define STATS_SERIES_H
#include <vector>
#include <QPointF>
class StatsAxis;
class StatsView;
struct dive;
class QRectF;
class StatsSeries {
public:
StatsSeries(StatsView &view, StatsAxis *xAxis, StatsAxis *yAxis);
virtual ~StatsSeries();
virtual void updatePositions() = 0; // Called if chart geometry changes.
virtual bool hover(QPointF pos) = 0; // Called on mouse movement. Return true if an item of this series is highlighted.
virtual void unhighlight() = 0; // Unhighlight any highlighted item.
// Returns true if an item was under the mouse.
virtual bool selectItemsUnderMouse(const QPointF &pos, bool shiftPressed) = 0;
virtual bool supportsLassoSelection() const;
// Needs only be defined if supportsLassoSelection() returns true.
virtual void selectItemsInRect(const QRectF &rect, bool shiftPressed, const std::vector<dive *> &oldSelection);
virtual void divesSelected(const QVector<dive *> &dives) = 0;
protected:
StatsView &view;
StatsAxis *xAxis, *yAxis; // May be zero for charts without axes (pie charts).
QPointF toScreen(QPointF p);
};
#endif
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