dox/Rendering/Context2D/vtkAbstractContextItem.h

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

  Program:   Visualization Toolkit
  Module:    vtkContextItem.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 __vtkAbstractContextItem_h
#define __vtkAbstractContextItem_h

#include "vtkRenderingContext2DModule.h" // For export macro
#include "vtkObject.h"

class vtkContext2D;
class vtkContextMouseEvent;
class vtkContextKeyEvent;
class vtkContextScene;
class vtkContextScenePrivate;
class vtkVector2f;

class VTKRENDERINGCONTEXT2D_EXPORT vtkAbstractContextItem : public vtkObject
{
public:
  vtkTypeMacro(vtkAbstractContextItem, vtkObject);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  virtual void Update();

  virtual bool Paint(vtkContext2D *painter);

  bool PaintChildren(vtkContext2D *painter);

  virtual void ReleaseGraphicsResources();

  unsigned int AddItem(vtkAbstractContextItem* item);

  bool RemoveItem(vtkAbstractContextItem* item);

  bool RemoveItem(unsigned int index);

  vtkAbstractContextItem* GetItem(unsigned int index);

  unsigned int GetNumberOfItems();

  void ClearItems();

//BTX
  virtual bool Hit(const vtkContextMouseEvent &mouse);

  virtual vtkAbstractContextItem* GetPickedItem(const vtkContextMouseEvent &mouse);

  virtual bool MouseEnterEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseMoveEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseLeaveEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseDoubleClickEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseWheelEvent(const vtkContextMouseEvent &mouse, int delta);

  virtual bool KeyPressEvent(const vtkContextKeyEvent &key);


  virtual bool KeyReleaseEvent(const vtkContextKeyEvent &key);
//ETX

  virtual void SetScene(vtkContextScene *scene);


  vtkContextScene* GetScene()
    {
    return this->Scene;
    }

  virtual void SetParent(vtkAbstractContextItem *parent);


  vtkAbstractContextItem* GetParent()
    {
    return this->Parent;
    }

  virtual vtkVector2f MapToParent(const vtkVector2f& point);

  virtual vtkVector2f MapFromParent(const vtkVector2f& point);

  virtual vtkVector2f MapToScene(const vtkVector2f& point);

  virtual vtkVector2f MapFromScene(const vtkVector2f& point);


  vtkGetMacro(Visible, bool);


  vtkSetMacro(Visible, bool);


  vtkGetMacro(Interactive, bool);


  vtkSetMacro(Interactive, bool);

//BTX
protected:
  vtkAbstractContextItem();
  ~vtkAbstractContextItem();

  vtkContextScene* Scene;

  vtkAbstractContextItem* Parent;

  vtkContextScenePrivate* Children;

  bool Visible;

  bool Interactive;

private:
  vtkAbstractContextItem(const vtkAbstractContextItem &); // Not implemented.
  void operator=(const vtkAbstractContextItem &);   // Not implemented.
//ETX
};

#endif //__vtkContextItem_h