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

   Program: ParaView
   Module:  pqSpaceMouseImpl.h

   Copyright (c) 2005,2006 Sandia Corporation, Kitware Inc.
   All rights reserved.

   ParaView is a free software; you can redistribute it and/or modify it
   under the terms of the ParaView license version 1.2.

   See License_v1.2.txt for the full ParaView license.
   A copy of this license can be obtained by contacting
   Kitware Inc.
   28 Corporate Drive
   Clifton Park, NY 12065
   USA

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

========================================================================*/
#ifndef pqSpaceMouseImpl_h
#define pqSpaceMouseImpl_h

// This header is provided in the 3DxWare SDK, in samples/navlib_viewer/src/SpaceMouse
// If you are not using paraview superbuild, it is simplest to copy the entire
// SpaceMouse directory to the ${3DxWareSDK_INCLUDE_DIR} directory
#include "SpaceMouse/CNavigation3D.hpp"
#include "vtkCamera.h"
#include "vtkWeakPointer.h"

#include <QObject>
class pqView;

/// Communicate with the TDxNavlib SDK provided by 3DConnexion to move the camera with a SpaceMouse
class pqSpaceMouseImpl
  : public QObject
  , public TDx::SpaceMouse::Navigation3D::CNavigation3D
{
  Q_OBJECT
  typedef TDx::SpaceMouse::Navigation3D::CNavigation3D nav3d;
  typedef TDx::SpaceMouse::Navigation3D::CNavigation3D Superclass;

public:
  pqSpaceMouseImpl();
  ~pqSpaceMouseImpl() override;

public Q_SLOTS:
  /// which view are we controlling? The active one.
  void setActiveView(pqView* view);

public:
  void render();

  // navlib initialization
  bool Enable3DNavigation();
  void Disable3DNavigation();

  /////////////////////////////////////////////////////////////////////////////////////////////////
  // accessors and mutators used by the navlib
  // These are the functions supplied to the navlib in the accessors structure so that the navlib
  // can query and update our (the clients) values.
  long GetCoordinateSystem(navlib::matrix_t& affine) const override;
  long GetViewConstructionPlane(navlib::plane_t& plane) const override;
  long GetCameraMatrix(navlib::matrix_t& affine) const override;
  long GetViewExtents(navlib::box_t& affine) const override;
  long GetViewFrustum(navlib::frustum_t& frustum) const override;
  long GetViewFOV(double& fov) const override;
  long GetIsViewRotatable(navlib::bool_t& rotatble) const override;
  long IsUserPivot(navlib::bool_t& userPivot) const override;
  long GetPivotVisible(navlib::bool_t& visible) const override;
  long GetPivotPosition(navlib::point_t& position) const override;
  long GetPointerPosition(navlib::point_t& position) const override;
  long GetIsViewPerspective(navlib::bool_t& persp) const override;
  long GetModelExtents(navlib::box_t& extents) const override;
  long GetIsSelectionEmpty(navlib::bool_t& empty) const override;
  long GetSelectionExtents(navlib::box_t& extents) const override;
  long GetSelectionTransform(navlib::matrix_t&) const override;
  long GetHitLookAt(navlib::point_t& position) const override;

  long SetSettingsChanged(long change) override;

  long SetMotionFlag(bool value) override;
  long SetTransaction(long value) override;
  long SetCameraMatrix(const navlib::matrix_t& affine) override;
  long SetSelectionTransform(const navlib::matrix_t& affine) override;
  long SetViewExtents(const navlib::box_t& extents) override;
  long SetViewFOV(double fov) override;
  long SetViewFrustum(const navlib::frustum_t& frustum) override;
  long SetPivotPosition(const navlib::point_t& position) override;
  long SetPivotVisible(bool visible) override;

  long SetHitLookFrom(const navlib::point_t& position) override;
  long SetHitDirection(const navlib::vector_t& direction) override;
  long SetHitAperture(double diameter) override;
  long SetHitSelectionOnly(bool value) override;
  long SetActiveCommand(std::string commandId) override;

protected:
  vtkWeakPointer<vtkCamera> Camera;
  bool Interacting = false;
};

#endif
