kdganttconstraintgraphicsitem.h

Go to the documentation of this file.

/****************************************************************************
**
** This file is part of the KD Chart library.
**
** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: MIT
**
****************************************************************************/
 
#ifndef KDGANTTCONSTRAINTGRAPHICSITEM_H
#define KDGANTTCONSTRAINTGRAPHICSITEM_H
 
#include <QGraphicsItem>
 
#include "kdganttconstraint.h"
 
namespace KDGantt {
class GraphicsScene;
 
class KDGANTT_EXPORT ConstraintGraphicsItem : public QGraphicsItem
{
public:
    enum
    {
        Type = UserType + 43
    };
 
    explicit ConstraintGraphicsItem(const Constraint &c,
                                    QGraphicsItem *parent = nullptr, GraphicsScene *scene = nullptr);
    ~ConstraintGraphicsItem() override;
 
    /*reimp*/ int type() const override;
    /*reimp (non virtual)*/ GraphicsScene *scene() const;
 
    /*reimp*/ QString ganttToolTip() const;
 
    /*reimp*/ QRectF boundingRect() const override;
    /*reimp*/ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
                         QWidget *widget = nullptr) override;
 
    inline const Constraint &constraint() const
    {
        return m_constraint;
    }
    Constraint proxyConstraint() const;
 
    void setStart(const QPointF &start);
    inline QPointF start() const
    {
        return m_start;
    }
    void setEnd(const QPointF &end);
    inline QPointF end() const
    {
        return m_end;
    }
 
    void updateItem(const QPointF &start, const QPointF &end);
 
private:
    Constraint m_constraint;
    QPointF m_start;
    QPointF m_end;
};
}
 
#endif /* KDGANTTCONSTRAINTGRAPHICSITEM_H */