SVTK_SpaceMouse.h

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// Copyright (C) 2007-2026  CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
//  SALOME VTKViewer : build VTK viewer into Salome desktop
//  File   : SVTK_SpaceMouse.h
//  Author : Alexander SLADKOV
 
#ifndef SVTK_SpaceMouse_h
#define SVTK_SpaceMouse_h
 
#include <QtGlobal>
 
#if !defined WIN32 && !defined __APPLE__
extern "C"
{
#include <X11/X.h>
#include <xcb/xcb.h>
}
#endif
 
class SVTK_SpaceMouse 
{
 public:
 
  enum MoveData { x, y, z, a, b, c };
  enum EventType { SpaceMouseMove = 1, SpaceButtonPress, SpaceButtonRelease };
 
  typedef struct  {
    int type;
    int button;
    double data[6];
    int period;
  } MoveEvent;
 
  bool isSpaceMouseOn() const { return spaceMouseOn != 0; }
 
  SVTK_SpaceMouse();
 
 protected:
 
  int spaceMouseOn;
};
 
class SVTK_SpaceMouseXCB: public SVTK_SpaceMouse
{
 
public:
  SVTK_SpaceMouseXCB();
 
  // access to SpaceMouse utility class
  static SVTK_SpaceMouseXCB* getInstance();
 
#if !defined WIN32 && !defined __APPLE__
  int initialize     ( xcb_connection_t*, xcb_window_t );
  int setWindow      ( xcb_connection_t*, xcb_window_t );
  int translateEvent ( xcb_connection_t*, xcb_client_message_event_t*, MoveEvent*, double, double );
  int close          ( xcb_connection_t* );
 
private:
  xcb_atom_t XCBMotionEvent;
  xcb_atom_t XCBButtonPressEvent;
  xcb_atom_t XCBButtonReleaseEvent;
  xcb_window_t win;
#endif
 
  static SVTK_SpaceMouseXCB* myInstance;
 
};
 
#endif