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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef DIAGRAMSCENE_H
#define DIAGRAMSCENE_H
#include <QObject>
#include <QGraphicsScene>
class DiagramItem;
QT_BEGIN_NAMESPACE
class QGraphicsSceneDragDropEvent;
class QGraphicsViewItem;
QT_END_NAMESPACE
//! [0]
class DiagramScene : public QGraphicsScene
{
Q_OBJECT
public:
DiagramScene(QObject *parent = nullptr);
signals:
void itemMoved(DiagramItem *movedItem, const QPointF &movedFromPosition);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
private:
QGraphicsItem *movingItem = nullptr;
QPointF oldPos;
};
//! [0]
#endif
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