DiagramView.h

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#pragma once
 
#include "DiagramScene.h"
#include <QGraphicsView>
#include <QWidget>
 
 
class DiagramView : public QGraphicsView
{
    Q_OBJECT
public:
    explicit DiagramView(QWidget* parent = nullptr);
    explicit DiagramView(DiagramList* list, QWidget* parent = nullptr);
    ~DiagramView() override;
 
    void addGraph(DiagramList* list);
    int getHeight();
    int getWidth();
 
protected:
    void resizeEvent(QResizeEvent* event) override;
 
private:
    void initialize();
    void keepItemAspectRatio();
    QSize minimumSizeHint() const override;
    QSize sizeHint() const override;
    void update();
 
    DiagramScene* _scene;
};