QVTKRenderWindowAdapter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef QVTKRenderWindowAdapter_h
#define QVTKRenderWindowAdapter_h

#include "vtkGUISupportQtModule.h" // For export macro
#include <QObject>

#include <QCursor>        // for ivar
#include <QScopedPointer> // for ivar

class QOpenGLContext;
class QSurfaceFormat;
class QWidget;
class QWindow;

VTK_ABI_NAMESPACE_BEGIN
class vtkGenericOpenGLRenderWindow;
class vtkObject;

class VTKGUISUPPORTQT_EXPORT QVTKRenderWindowAdapter : public QObject
{
  Q_OBJECT;
  using Superclass = QObject;

public:

  QVTKRenderWindowAdapter(
    QOpenGLContext* cntxt, vtkGenericOpenGLRenderWindow* window, QWindow* parent);
  QVTKRenderWindowAdapter(
    QOpenGLContext* cntxt, vtkGenericOpenGLRenderWindow* window, QWidget* parent);

  ~QVTKRenderWindowAdapter() override;

  static QSurfaceFormat defaultFormat(bool stereo_capable = false);

  void paint();

  void resize(int width, int height);


  bool blit(
    unsigned int targetId, int targetAttachement, const QRect& targetRect, bool left = true);
  bool blitLeftEye(unsigned int targetId, int targetAttachement, const QRect& targetRect)
  {
    return this->blit(targetId, targetAttachement, targetRect, true);
  }
  bool blitRightEye(unsigned int targetId, int targetAttachement, const QRect& targetRect)
  {
    return this->blit(targetId, targetAttachement, targetRect, false);
  }

  bool handleEvent(QEvent* evt);


  void setDefaultCursor(const QCursor& cursor) { this->DefaultCursor = cursor; }
  const QCursor& defaultCursor() const { return this->DefaultCursor; }


  void setEnableTouchEventProcessing(bool value);


  void setEnableHiDPI(bool value);


  void setUnscaledDPI(int value);


  void setCustomDevicePixelRatio(double dpr);

private Q_SLOTS:
  void contextAboutToBeDestroyed();

private: // NOLINT(readability-redundant-access-specifiers)
  QVTKRenderWindowAdapter(
    QOpenGLContext* cntxt, vtkGenericOpenGLRenderWindow* window, QObject* widgetOrWindow);
  Q_DISABLE_COPY(QVTKRenderWindowAdapter);

  class QVTKInternals;
  QScopedPointer<QVTKInternals> Internals;

  QCursor DefaultCursor;
};

VTK_ABI_NAMESPACE_END
#endif