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https://github.com/crystalidea/qt6windows7.git
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49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef DIAGRAMITEM_H
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#define DIAGRAMITEM_H
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#include <QGraphicsPixmapItem>
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#include <QList>
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QT_BEGIN_NAMESPACE
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class QPixmap;
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class QGraphicsSceneContextMenuEvent;
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class QMenu;
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class QPolygonF;
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QT_END_NAMESPACE
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class Arrow;
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//! [0]
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class DiagramItem : public QGraphicsPolygonItem
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{
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public:
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enum { Type = UserType + 15 };
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enum DiagramType { Step, Conditional, StartEnd, Io };
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DiagramItem(DiagramType diagramType, QMenu *contextMenu, QGraphicsItem *parent = nullptr);
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void removeArrow(Arrow *arrow);
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void removeArrows();
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DiagramType diagramType() const { return myDiagramType; }
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QPolygonF polygon() const { return myPolygon; }
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void addArrow(Arrow *arrow);
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QPixmap image() const;
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int type() const override { return Type; }
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protected:
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
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QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
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private:
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DiagramType myDiagramType;
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QPolygonF myPolygon;
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QMenu *myContextMenu;
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QList<Arrow *> arrows;
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};
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//! [0]
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#endif // DIAGRAMITEM_H
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