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#pragma once
#include "Export.hpp"
#include <QtWidgets/QGraphicsView>
namespace QtNodes
{
class FlowScene;
class NODE_EDITOR_PUBLIC FlowView : public QGraphicsView
{
Q_OBJECT
public:
FlowView(QWidget *parent = Q_NULLPTR);
FlowView(FlowScene *scene, QWidget *parent = Q_NULLPTR);
FlowView(const FlowView &) = delete;
FlowView operator=(const FlowView &) = delete;
QAction *clearSelectionAction() const;
QAction *deleteSelectionAction() const;
void setScene(FlowScene *scene);
public Q_SLOTS:
virtual void scaleUp();
virtual void scaleDown();
virtual void deleteSelectedNodes();
protected:
void contextMenuEvent(QContextMenuEvent *event) override;
void wheelEvent(QWheelEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void keyReleaseEvent(QKeyEvent *event) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void drawBackground(QPainter *painter, const QRectF &r) override;
void showEvent(QShowEvent *event) override;
protected:
FlowScene *scene();
private:
QAction *_clearSelectionAction;
QAction *_deleteSelectionAction;
QPointF _clickPos;
FlowScene *_scene;
};
} // namespace QtNodes
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