NodeView.moc.h

#pragma once
 
#include <Foundation/Math/Vec2.h>
#include <GuiFoundation/GuiFoundationDLL.h>
#include <QGraphicsView>
 
class plQtNodeScene;
 
class PL_GUIFOUNDATION_DLL plQtNodeView : public QGraphicsView
{
  Q_OBJECT
public:
  explicit plQtNodeView(QWidget* pParent = nullptr);
  ~plQtNodeView();
 
  void SetScene(plQtNodeScene* pScene);
  plQtNodeScene* GetScene();
 
protected:
  virtual void mousePressEvent(QMouseEvent* event) override;
  virtual void mouseMoveEvent(QMouseEvent* event) override;
  virtual void mouseReleaseEvent(QMouseEvent* event) override;
  virtual void wheelEvent(QWheelEvent* event) override;
  virtual void contextMenuEvent(QContextMenuEvent* event) override;
  virtual void resizeEvent(QResizeEvent*) override;
  virtual void drawBackground(QPainter* painter, const QRectF& r) override;
 
 
private:
  void UpdateView();
 
  void DrawGrid(QPainter* painter, const double gridStep);
 
private:
  plQtNodeScene* m_pScene = nullptr;
  bool m_bPanning = false;
  plInt32 m_iPanCounter = 0;
 
  QPointF m_ViewPos;
  QPointF m_ViewScale;
 
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
  QPointF m_StartDragView;
#else
  QPoint m_vStartDragView;
#endif
 
  QPointF m_StartDragScene;
};