qt6windows7/examples/widgets/tools/undoframework/diagramitem.h

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2023-10-30 06:33:08 +08:00
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef DIAGRAMITEM_H
#define DIAGRAMITEM_H
#include <QGraphicsPolygonItem>
QT_BEGIN_NAMESPACE
class QGraphicsItem;
class QGraphicsScene;
class QGraphicsSceneMouseEvent;
class QPointF;
QT_END_NAMESPACE
class DiagramItem : public QGraphicsPolygonItem
{
public:
enum { Type = UserType + 1 };
enum DiagramType { Box, Triangle };
explicit DiagramItem(DiagramType diagramType, QGraphicsItem *item = nullptr);
DiagramType diagramType() const
{
return polygon() == boxPolygon ? Box : Triangle;
}
int type() const override { return Type; }
private:
QPolygonF boxPolygon;
QPolygonF trianglePolygon;
};
#endif