// Created on: 2013-04-06
// Created by: Kirill Gavrilov
// Copyright (c) 2013 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 65 (the "License") You may not use the content of this file
// except in compliance with the License Please obtain a copy of the License
// at http://wwwopencascadeorg and read it completely before using this file
//
// The Initial Developer of the Original Code is Open CASCADE SAS, having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement Please see the License for the specific terms
// and conditions governing the rights and limitations under the License

#ifndef _Xw_Window_H__
#define _Xw_Window_H__

#if !defined(_WIN32) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))

#include <Aspect_Window.hxx>

#include <Aspect_DisplayConnection.hxx>
#include <Aspect_FillMethod.hxx>
#include <Aspect_GradientFillMethod.hxx>
#include <Aspect_Handle.hxx>
#include <Aspect_TypeOfResize.hxx>
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Quantity_NameOfColor.hxx>
#include <Quantity_Parameter.hxx>
#include <Quantity_Ratio.hxx>

class Aspect_WindowDefinitionError;
class Aspect_WindowError;
class Aspect_Background;
class Quantity_Color;
class Aspect_GradientBackground;

//! This class defines XLib window intended for creation of OpenGL context.
class Xw_Window : public Aspect_Window
{

public:

  //! Creates a XLib window defined by his position and size in pixels.
  //! Throws exception if window can not be created or Display do not support GLX extension.
  Standard_EXPORT Xw_Window (const Handle(Aspect_DisplayConnection)& theXDisplay,
                             const Standard_CString theTitle,
                             const Standard_Integer thePxLeft,
                             const Standard_Integer thePxTop,
                             const Standard_Integer thePxWidth,
                             const Standard_Integer thePxHeight);

  //! Creates a wrapper over existing Window handle
  Standard_EXPORT Xw_Window (const Handle(Aspect_DisplayConnection)& theXDisplay,
                             const Window theXWin);

  //! Destroies the Window and all resourses attached to it
  Standard_EXPORT virtual void Destroy();

  ~Xw_Window()
  {
    Destroy();
  }

  //! Opens the window <me>
  Standard_EXPORT virtual void Map() const;

  //! Closes the window <me>
  Standard_EXPORT virtual void Unmap() const;

  //! Applies the resizing to the window <me>
  Standard_EXPORT virtual Aspect_TypeOfResize DoResize() const;

  //! Apply the mapping change to the window <me>
  Standard_EXPORT virtual Standard_Boolean DoMapping() const;

  //! Returns True if the window <me> is opened
  Standard_EXPORT virtual Standard_Boolean IsMapped() const;

  //! Returns The Window RATIO equal to the physical WIDTH/HEIGHT dimensions
  Standard_EXPORT virtual Quantity_Ratio Ratio() const;

  //! Returns The Window POSITION in PIXEL
  Standard_EXPORT virtual void Position (Standard_Integer& X1,
                                         Standard_Integer& Y1,
                                         Standard_Integer& X2,
                                         Standard_Integer& Y2) const;

  //! Returns The Window SIZE in PIXEL
  Standard_EXPORT virtual void Size (Standard_Integer& theWidth,
                                     Standard_Integer& theHeight) const;

  //! @return native Window handle
  Standard_EXPORT Window XWindow() const;

  //! @return connection to X Display
  Standard_EXPORT const Handle(Aspect_DisplayConnection)& DisplayConnection() const;

protected:

  Handle(Aspect_DisplayConnection) myDisplay; //!< X Display connection
  Window           myXWindow;  //!< XLib window handle
  Standard_Integer myXLeft;    //!< left   position in pixels
  Standard_Integer myYTop;     //!< top    position in pixels
  Standard_Integer myXRight;   //!< right  position in pixels
  Standard_Integer myYBottom;  //!< bottom position in pixels
  Standard_Boolean myIsOwnWin; //!< flag to indicate own window handle (to be deallocated on destruction)

public:

  DEFINE_STANDARD_RTTI(Xw_Window)

};

DEFINE_STANDARD_HANDLE(Xw_Window, Aspect_Window)

#endif //  Win32 or Mac OS X
#endif // _Xw_Window_H__