vtkXRenderWindowInteractor.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkXRenderWindowInteractor.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 vtkXRenderWindowInteractor_h
#define vtkXRenderWindowInteractor_h
 
//===========================================================
// now we define the C++ class
 
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkRenderWindowInteractor.h"
#include <X11/StringDefs.h> // Needed for X types in the public interface
#include <X11/Intrinsic.h> // Needed for X types in the public interface
 
class vtkCallbackCommand;
class vtkXRenderWindowInteractorInternals;
 
//BTX
// Forward declare internal friend functions.
void VTKRENDERINGOPENGL_EXPORT vtkXRenderWindowInteractorCallback(Widget,XtPointer, XEvent *,Boolean *);
void VTKRENDERINGOPENGL_EXPORT vtkXRenderWindowInteractorTimer(XtPointer,XtIntervalId *);
//ETX
 
class VTKRENDERINGOPENGL_EXPORT vtkXRenderWindowInteractor : public vtkRenderWindowInteractor
{
public:
  static vtkXRenderWindowInteractor *New();
  vtkTypeMacro(vtkXRenderWindowInteractor,vtkRenderWindowInteractor);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual void Initialize();
 
  void TerminateApp();
 
 
  vtkGetMacro(BreakLoopFlag, int);
  void SetBreakLoopFlag(int);
  void BreakLoopFlagOff();
  void BreakLoopFlagOn();
 
 
  virtual void Initialize(XtAppContext app);
  vtkGetMacro( App, XtAppContext );
 
 
  virtual void Enable();
  virtual void Disable();
 
  virtual void UpdateSize(int,int);
 
 
  virtual void SetWidget(Widget);
  Widget GetWidget() {return this->Top;};
 
 
  virtual void SetTopLevelShell(Widget);
  Widget GetTopLevelShell() {return this->TopLevelShell;};
 
  virtual void GetMousePosition(int *x, int *y);
 
 
  friend void vtkXRenderWindowInteractorCallback(Widget,XtPointer,
                                                 XEvent *,Boolean *);
  friend void vtkXRenderWindowInteractorTimer(XtPointer,XtIntervalId *);
 
protected:
  vtkXRenderWindowInteractor();
  ~vtkXRenderWindowInteractor();
 
  //Using static here to avoid detroying context when many apps are open:
  static XtAppContext App;
  static int NumAppInitialized;
 
  Display *DisplayId;
  Window WindowId;
  Atom KillAtom;
  Widget Top;
  int OwnTop;
  int OwnApp;
  int PositionBeforeStereo[2];
  Widget TopLevelShell;
  int TimerId;
  vtkXRenderWindowInteractorInternals* Internal;
 
  virtual void StartEventLoop();
 
 
  virtual int InternalCreateTimer(int timerId, int timerType, unsigned long duration);
  virtual int InternalDestroyTimer(int platformTimerId);
 
  XtIntervalId AddTimeOut(XtAppContext app_context, unsigned long interval,
                          XtTimerCallbackProc proc, XtPointer client_data) ;
  void Timer(XtPointer client_data, XtIntervalId *id);
  void Callback(Widget w, XtPointer client_data, XEvent *event, Boolean *ctd);
 
  static int BreakLoopFlag;
 
private:
  vtkXRenderWindowInteractor(const vtkXRenderWindowInteractor&);  // Not implemented.
  void operator=(const vtkXRenderWindowInteractor&);  // Not implemented.
};
 
#endif