ddtGraphicalElementStatRectangle.hpp

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#ifndef DATAVISUALISATION_GRAPHICS_SRC_INCLUDE_DDT_DDTGRAPHICALELEMENTSTATRECTANGLE_HPP_
#define DATAVISUALISATION_GRAPHICS_SRC_INCLUDE_DDT_DDTGRAPHICALELEMENTSTATRECTANGLE_HPP_
 
#include "ddt/ddtPointGrabber.hpp"
#include "ddt/ddtGraphicalElement.hpp"

class DdtGraphicalElementStatRectangle : public DdtGraphicalElement {
 public:
  explicit DdtGraphicalElementStatRectangle(
      const DdtGraphicalElementProperties element_properties, const double x1,
      const double y1, const double x2, const double y2);

  virtual ~DdtGraphicalElementStatRectangle();

  virtual void DrawElement(QPainter* painter) override;

  QRectF boundingRect() const override;

  void RedrawCorners(QGraphicsScene* scene);

  int type() const override;

  void ReDrawRectangle(const QPointF p1, const QPointF p2);

  QPointF Start() const;

  QPointF End() const;
 
  /*
   * Returns the upper right coordinates of the rectangle
   * @returns upper right point
   */
  QPointF UpperRight() const;

  QPointF LowerLeft() const;

  void ResetEventFilter();
 
 protected:
  double x1;

  double y1;

  double x2;

  double y2;

  PointGrabber* corners[4];

  bool installed_event_filters;
 
 private:
  virtual bool sceneEventFilter(QGraphicsItem* watched, QEvent* event) override;
  bool HandleEvent(PointGrabber* corner, QEvent* event) const;
 
  void SetCornerPositions() const;
 
  QPointF location;
  QPointF drag_start;
  QPointF drag_end;
};
 
#endif /* DATAVISUALISATION_GRAPHICS_SRC_INCLUDE_DDT_DDTGRAPHICALELEMENTSTATRECTANGLE_HPP_ \
        */