vtkEqualizerContextItem.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkEqualizerContextItem_h
#define vtkEqualizerContextItem_h
 
#include "vtkContextItem.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkNew.h"                      // For vtkNew
 
#include <string> // for std::string
 
VTK_ABI_NAMESPACE_BEGIN
class vtkBrush;
class vtkPen;
class vtkContextTransform;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkEqualizerContextItem : public vtkContextItem
{
public:
  static vtkEqualizerContextItem* New();
 
  vtkTypeMacro(vtkEqualizerContextItem, vtkContextItem);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  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;
 
 
  void SetPoints(const std::string& points);
  std::string GetPoints() const;
 
protected:
  enum MouseStates
  {
    NO_BUTTON = 0,
    LEFT_BUTTON_PRESSED = 1,
    RIGHT_BUTTON_PRESSED = 2
  };
 
  vtkEqualizerContextItem();
  ~vtkEqualizerContextItem() override;
 
  MouseStates MouseState = NO_BUTTON;
  vtkNew<vtkPen> Pen;
  vtkNew<vtkBrush> Brush;
 
private:
  vtkEqualizerContextItem(const vtkEqualizerContextItem&) = delete;
  void operator=(const vtkEqualizerContextItem&) = delete;
 
  class vtkInternal;
  vtkInternal* Internal;
};
 
VTK_ABI_NAMESPACE_END
#endif