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// SPDX-License-Identifier: GPL-2.0
// A legend box, which is shown on the chart.
#ifndef STATS_LEGEND_H
#define STATS_LEGEND_H
#include <memory>
#include <vector>
#include <QGraphicsRectItem>
class QGraphicsSceneMouseEvent;
class Legend : public QGraphicsRectItem {
public:
Legend(QGraphicsWidget *chart, const std::vector<QString> &names);
void hover(QPointF pos);
void resize(); // called when the chart size changes.
private:
// Each entry is a text besides a rectangle showing the color
struct Entry {
std::unique_ptr<QGraphicsRectItem> rect;
std::unique_ptr<QGraphicsSimpleTextItem> text;
QPointF pos;
double width;
Entry(const QString &name, int idx, int numBins, QGraphicsItem *parent);
};
QGraphicsWidget *chart;
int displayedItems;
double width;
double height;
int fontHeight;
std::vector<Entry> entries;
void updatePosition();
void hide();
};
#endif
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