DiagramDesigner/diagramCavas/include/designerScene.h

#ifndef DESIGNER_SCENE_H
#define DESIGNER_SCENE_H

#include <QGraphicsScene>
#include "baseScene.h"
#include "graphicsDataModel/fixedPortsModel.h"

class GraphicsItemGroup;
class DrawingPanel;


class DesignerScene : public BaseScene
{
    Q_OBJECT

public:
    DesignerScene(FixedPortsModel* graphModel,QObject *parent = 0);
    virtual ~DesignerScene();

    void setGridVisible(bool);
    void setView(QGraphicsView* view) { m_pView = view; }
    QGraphicsView* getView() { return m_pView; }
    void callParentEvent(QGraphicsSceneMouseEvent*);

    GraphicsItemGroup* createGroup();
    void destroyGroup();

signals:
    void signalAddItem(QGraphicsItem*);
protected:
    void drawBackground(QPainter*, const QRectF&) override;
    void mousePressEvent(QGraphicsSceneMouseEvent*) override;
    void mouseMoveEvent(QGraphicsSceneMouseEvent*) override;
    void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent*) override;
    void keyPressEvent(QKeyEvent*) override;
    void keyReleaseEvent(QKeyEvent*) override;
    void contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent) override;
    void dragEnterEvent(QGraphicsSceneDragDropEvent *event) override;
    void dragMoveEvent(QGraphicsSceneDragDropEvent *event) override;
    void dropEvent(QGraphicsSceneDragDropEvent *event) override;
private:
    bool            m_bGridVisible;
    QGraphicsView*  m_pView;
    DrawingPanel*   m_pDrawingPanel;            //保存父指针

private:
    FixedPortsModel* _graphModel;
};

#endif