qetgraphicsitem.h

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/*
    Copyright 2006-2019 The QElectroTech Team
    This file is part of QElectroTech.

    QElectroTech is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    QElectroTech is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QETGRAPHICSITEM_H
#define QETGRAPHICSITEM_H

#include <QGraphicsObject>
#include "qet.h"

class Diagram;

class QetGraphicsItem : public QGraphicsObject
{
    Q_OBJECT

    public:
            //constructor destructor
        QetGraphicsItem(QGraphicsItem *parent = nullptr);
        ~QetGraphicsItem() override = 0;

            //public methode
        Diagram *diagram       () const;
        virtual void     setPos        (const QPointF &p);
        virtual void     setPos        (qreal x, qreal y);

        virtual bool isMovable () const {return is_movable_;}
        virtual void setMovable (bool movable) { is_movable_ = movable;}

        virtual void     editProperty  ()      {}
        virtual QString  name       ()const {return QString("");}
        
        QET::GraphicsItemState state() const;

        //protected method
    protected:
        void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
        void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
        void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
        void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;

    protected:
        bool is_movable_;
        bool m_first_move;
        bool snap_to_grid_;
        QPointF m_mouse_to_origin_movement;
        QET::GraphicsItemState m_state = QET:: GIOK;

};

#endif // QETGRAPHICSITEM_H