vtkXOpenGLRenderWindow.h

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

  Program:   Visualization Toolkit
  Module:    vtkXOpenGLRenderWindow.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 vtkXOpenGLRenderWindow_h
#define vtkXOpenGLRenderWindow_h

#include "vtkRenderingOpenGL2Module.h" // For export macro
#include <stack> // for ivar
#include "vtkOpenGLRenderWindow.h"
#include <X11/Xlib.h> // Needed for X types used in the public interface
#include <X11/Xutil.h> // Needed for X types used in the public interface

class vtkIdList;
class vtkXOpenGLRenderWindowInternal;

class VTKRENDERINGOPENGL2_EXPORT vtkXOpenGLRenderWindow : public vtkOpenGLRenderWindow
{
public:
  static vtkXOpenGLRenderWindow *New();
  vtkTypeMacro(vtkXOpenGLRenderWindow, vtkOpenGLRenderWindow);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void Start(void);

  virtual void Frame(void);

  virtual void WindowInitialize(void);

  virtual void Initialize(void);

  virtual void Finalize(void);

  virtual void SetFullScreen(int);

  virtual void WindowRemap(void);

  virtual void PrefFullScreen(void);

  virtual void SetSize(int,int);
  virtual void SetSize(int a[2]) {this->SetSize(a[0], a[1]);}


  virtual Colormap GetDesiredColormap();
  virtual Visual  *GetDesiredVisual();
  virtual XVisualInfo     *GetDesiredVisualInfo();
  virtual int      GetDesiredDepth();

  virtual void SetStereoCapableWindow(int capable);

  void MakeCurrent();

  virtual bool IsCurrent();

  void SetForceMakeCurrent();

  const char *ReportCapabilities();

  int IsDirect();

  virtual void *GetGenericDisplayId()
  {
      return this->GetDisplayId();
  }

  virtual void *GetGenericWindowId();
  virtual void *GetGenericParentId()
  {
      return reinterpret_cast<void *>(this->ParentId);
  }

  virtual void *GetGenericContext();
  virtual void *GetGenericDrawable()
  {
      return reinterpret_cast<void *>(this->WindowId);
  }

  virtual int     *GetScreenSize();

  virtual int     *GetPosition();

  Display *GetDisplayId();


  void     SetDisplayId(Display *);
  void     SetDisplayId(void *);

  Window   GetParentId();


  void     SetParentId(Window);
  void     SetParentId(void *);

  Window   GetWindowId();


  void     SetWindowId(Window);
  void     SetWindowId(void *);

  void     SetNextWindowId(Window);

  void     SetNextWindowId(void *);

  void     SetWindowName(const char *);

  virtual bool InitializeFromCurrentContext();


  void     SetPosition(int,int);
  void     SetPosition(int a[2]) {this->SetPosition(a[0], a[1]);};


  void HideCursor();
  void ShowCursor();

  virtual void SetCurrentCursor(int);

  virtual  int GetEventPending();

  void     SetWindowInfo(char *info);

  void     SetNextWindowInfo(char *info);

  void     SetParentInfo(char *info);

  void Render();

  void SetOffScreenRendering(int i);


  virtual void PushContext();
  virtual void PopContext();

protected:
  vtkXOpenGLRenderWindow();
  ~vtkXOpenGLRenderWindow();

  vtkXOpenGLRenderWindowInternal *Internal;

  Window   ParentId;
  Window   WindowId;
  Window   NextWindowId;
  Display *DisplayId;
  Colormap ColorMap;
  int      OwnWindow;
  int      OwnDisplay;
  int      ScreenSize[2];
  int      CursorHidden;
  int      ForceMakeCurrent;
  int      UsingHardware;
  char    *Capabilities;

  std::stack<Display *> DisplayStack;
  std::stack<Drawable> DrawableStack;
  std::stack<void *> ContextStack;

  // we must keep track of the cursors we are using
  Cursor XCCrosshair;
  Cursor XCArrow;
  Cursor XCSizeAll;
  Cursor XCSizeNS;
  Cursor XCSizeWE;
  Cursor XCSizeNE;
  Cursor XCSizeNW;
  Cursor XCSizeSE;
  Cursor XCSizeSW;
  Cursor XCHand;


  void CreateAWindow();
  void DestroyWindow();
  void CreateOffScreenWindow(int width, int height);
  void DestroyOffScreenWindow();
  void ResizeOffScreenWindow(int width, int height);
  void CloseDisplay();


private:
  vtkXOpenGLRenderWindow(const vtkXOpenGLRenderWindow&) VTK_DELETE_FUNCTION;
  void operator=(const vtkXOpenGLRenderWindow&) VTK_DELETE_FUNCTION;
};



#endif