DesignerView.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/coregui/Views/SampleDesigner/DesignerView.h
//! @brief     Defines class DesignerView
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_GUI_COREGUI_VIEWS_SAMPLEDESIGNER_DESIGNERVIEW_H
#define BORNAGAIN_GUI_COREGUI_VIEWS_SAMPLEDESIGNER_DESIGNERVIEW_H
 
#include <QGraphicsView>
 
class QGraphicsView;
class QGraphicsScene;
class QDragEnterEvent;
class QWheelEvent;
class QKeyEvent;
 
//! The DesignerView class provides widget for displaying the contents of DesignerScene
//!
//! Belongs to SampleDesigner
//! Currently contains logic for zooming, deleting objects
class DesignerView : public QGraphicsView {
    Q_OBJECT
 
public:
    explicit DesignerView(QGraphicsScene* scene, QWidget* parent = 0);
    virtual ~DesignerView() {}
 
    enum ESelectionModes { SIMPLE_SELECTION, RUBBER_SELECTION, HAND_DRAG };
    int getSelectionMode() const;
 
signals:
    void selectionModeChanged(int);
 
public slots:
    void onSelectionMode(int);
    void onCenterView();
    void onChangeScale(double);
    void deleteSelectedItems();
 
protected:
    //    void wheelEvent(QWheelEvent *event);
    //    void scaleView(qreal scaleFactor);
    void keyPressEvent(QKeyEvent* event);
    void keyReleaseEvent(QKeyEvent* event);
};
 
#endif // BORNAGAIN_GUI_COREGUI_VIEWS_SAMPLEDESIGNER_DESIGNERVIEW_H