27 lines
567 B
C++
27 lines
567 B
C++
#ifndef NODEVIEW_H
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#define NODEVIEW_H
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#include <QGraphicsView>
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class NodeView : public QGraphicsView {
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Q_OBJECT
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public:
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NodeView(QGraphicsScene *scene, QWidget* parent = nullptr);
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signals:
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void ScrollChanged(qreal x, qreal y);
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protected:
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void mouseMoveEvent(QMouseEvent *event) override;
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virtual void mouseReleaseEvent(QMouseEvent *event) override;
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virtual void wheelEvent(QWheelEvent *event) override;
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private:
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bool hand_moving_;
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QPoint drag_start_;
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};
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#endif // NODEVIEW_H
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