vtkBlockItem.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkBlockItem.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/

#ifndef vtkBlockItem_h
#define vtkBlockItem_h

#include "vtkRenderingContext2DModule.h" // For export macro
#include "vtkContextItem.h"
#include "vtkStdString.h"    // For vtkStdString ivars

class vtkContext2D;

class VTKRENDERINGCONTEXT2D_EXPORT vtkBlockItem : public vtkContextItem
{
public:
  vtkTypeMacro(vtkBlockItem, vtkContextItem);
  void PrintSelf(ostream &os, vtkIndent indent) override;

  static vtkBlockItem *New();

  bool Paint(vtkContext2D *painter) override;

  bool Hit(const vtkContextMouseEvent &mouse) override;

  bool MouseEnterEvent(const vtkContextMouseEvent &mouse) override;

  bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override;

  bool MouseLeaveEvent(const vtkContextMouseEvent &mouse) override;

  bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override;

  bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse) override;

  virtual void SetLabel(const vtkStdString &label);

  virtual vtkStdString GetLabel();


  vtkSetVector4Macro(Dimensions, float);


  vtkGetVector4Macro(Dimensions, float);

  void SetScalarFunctor(double (*scalarFunction)(double, double));

protected:
  vtkBlockItem();
  ~vtkBlockItem() override;

  float Dimensions[4];

  vtkStdString Label;

  bool MouseOver;

  // Some function pointers to optionally do funky things...
  double (*scalarFunction)(double, double);

private:
  vtkBlockItem(const vtkBlockItem &) = delete;
  void operator=(const vtkBlockItem &) = delete;

};

#endif //vtkBlockItem_h