valentina/src/app/widgets/vmaingraphicsscene.h

/************************************************************************
 **
 **  @file   vmaingraphicsscene.h
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   November 15, 2013
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentine project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Valentina project
 **  <https://bitbucket.org/dismine/valentina> All Rights Reserved.
 **
 **  Valentina 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 3 of the License, or
 **  (at your option) any later version.
 **
 **  Valentina 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 Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#ifndef VMAINGRAPHICSSCENE_H
#define VMAINGRAPHICSSCENE_H

#include <QGraphicsScene>
#include "../options.h"

/**
 * @brief The VMainGraphicsScene class main scene.
 */
class VMainGraphicsScene : public QGraphicsScene
{
    Q_OBJECT
public:
    VMainGraphicsScene();
    VMainGraphicsScene(const QRectF & sceneRect, QObject * parent = nullptr);
    qint32        getHorScrollBar() const;
    void          setHorScrollBar(const qint32 &value);
    qint32        getVerScrollBar() const;
    void          setVerScrollBar(const qint32 &value);
    QTransform    transform() const;
    void          setTransform(const QTransform &transform);
    void          SetDisable(bool enabled);
    QPointF       getScenePos() const;
public slots:
    void          ChoosedItem(quint32 id, const SceneObject &type);
    void          SetFactor(qreal factor);
    void          EnableItemMove(bool move);
protected:
    virtual void  mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    virtual void  mousePressEvent(QGraphicsSceneMouseEvent *event);
signals:
    /**
     * @brief mouseMove send new mouse position.
     * @param scenePos new mouse position.
     */
    void          mouseMove(const QPointF &scenePos);
    /**
     * @brief mousePress send new mouse press position.
     * @param scenePos new mouse press position.
     */
    void          mousePress(QPointF scenePos);
    /**
     * @brief ChoosedObject send option choosed object.
     * @param id object id.
     * @param type object scene type.
     */
    void          ChoosedObject(quint32 id, SceneObject type);
    /**
     * @brief NewFactor send new scale factor.
     * @param factor scene scale factor.
     */
    void          NewFactor(qreal factor);
    void          DisableItem(bool disable);
    void          EnableToolMove(bool move);
private:
    /** @brief horScrollBar value horizontal scroll bar. */
    qint32        horScrollBar;

    /** @brief verScrollBar value vertical scroll bar. */
    qint32        verScrollBar;

    /** @brief scaleFactor scale factor. */
    qreal         scaleFactor;

    /** @brief _transform view transform value. */
    QTransform    _transform;
    QPointF       scenePos;
};

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief getHorScrollBar return scene horizontal scrollbar.
 * @return horizontal scrollbar.
 */
inline qint32 VMainGraphicsScene::getHorScrollBar() const
{
    return horScrollBar;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief setHorScrollBar set scene horizontal scrollbar.
 * @param value horizontal scrollbar.
 */
inline void VMainGraphicsScene::setHorScrollBar(const qint32 &value)
{
    horScrollBar = value;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief getVerScrollBar return scene vertical scrollbar.
 * @return vertical scrollbar.
 */
inline qint32 VMainGraphicsScene::getVerScrollBar() const
{
    return verScrollBar;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief setVerScrollBar set scene vertical scrollbar.
 * @param value vertical scrollbar.
 */
inline void VMainGraphicsScene::setVerScrollBar(const qint32 &value)
{
    verScrollBar = value;
}

#endif // VMAINGRAPHICSSCENE_H