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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef CALLOUT_H
#define CALLOUT_H
#include <QFont>
#include <QGraphicsItem>
QT_FORWARD_DECLARE_CLASS(QChart)
QT_FORWARD_DECLARE_CLASS(QGraphicsSceneMouseEvent)
class Callout : public QGraphicsItem
{
public:
Callout(QChart *parent);
void setText(const QString &text);
void setAnchor(QPointF point);
void updateGeometry();
QRectF boundingRect() const override;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
private:
QString m_text;
QRectF m_textRect;
QRectF m_rect;
QPointF m_anchor;
QFont m_font;
QChart *m_chart = nullptr;
};
#endif
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