GUI/Client/vtkPVAxesWidget.h

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

  Program:   ParaView
  Module:    $RCSfile: vtkPVAxesWidget.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 __vtkPVAxesWidget_h
#define __vtkPVAxesWidget_h

#include "vtkInteractorObserver.h"

class vtkActor2D;
class vtkKWApplication;
class vtkPolyData;
class vtkPVAxesActor;
class vtkPVAxesWidgetObserver;
class vtkRenderer;

class VTK_EXPORT vtkPVAxesWidget : public vtkInteractorObserver
{
public:
  static vtkPVAxesWidget* New();
  vtkTypeRevisionMacro(vtkPVAxesWidget, vtkInteractorObserver);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetAxesActor(vtkPVAxesActor *actor);
  vtkGetObjectMacro(AxesActor, vtkPVAxesActor);

  virtual void SetEnabled(int);

  //BTX

  void SetParentRenderer(vtkRenderer *ren);
  vtkRenderer* GetParentRenderer();
  //ETX
  
  void ExecuteEvent(vtkObject *o, unsigned long event, void *calldata);


  void SetInteractive(int state);
  vtkGetMacro(Interactive, int);
  vtkBooleanMacro(Interactive, int);
  

  void SetOutlineColor(double r, double g, double b);
  double *GetOutlineColor();
  

  void SetAxisLabelColor(double r, double g, double b);
  double *GetAxisLabelColor();
  

  void SetViewport(double minX, double minY, double maxX, double maxY);
  double* GetViewport();
  
protected:
  vtkPVAxesWidget();
  ~vtkPVAxesWidget();
  
  vtkRenderer *Renderer;
  vtkRenderer *ParentRenderer;
  
  vtkPVAxesActor *AxesActor;
  vtkPolyData *Outline;
  vtkActor2D *OutlineActor;
  
  static void ProcessEvents(vtkObject *object, unsigned long event,
                            void *clientdata, void *calldata);

  vtkPVAxesWidgetObserver *Observer;
  int StartTag;
  
  int MouseCursorState;
  int Moving;
  int StartPosition[2];

  int Interactive;
  
  void UpdateCursorIcon();
  void SetMouseCursor(int cursorState);
  
//BTX
  int State;
  
  enum AxesWidgetState
  {
    Outside = 0,
    Inside,
    TopLeft,
    TopRight,
    BottomLeft,
    BottomRight
  };
//ETX
  
  void OnButtonPress();
  void OnMouseMove();
  void OnButtonRelease();

  void MoveWidget();
  void ResizeTopLeft();
  void ResizeTopRight();
  void ResizeBottomLeft();
  void ResizeBottomRight();
  
  void SquareRenderer();

  unsigned long StartEventObserverId;  
private:
  vtkPVAxesWidget(const vtkPVAxesWidget&);  // Not implemented
  void operator=(const vtkPVAxesWidget&);  // Not implemented
};

#endif

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