pqQVTKWidget.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
#ifndef pqQVTKWidget_h
#define pqQVTKWidget_h

#include "QVTKInteractor.h"
#include "pqCoreModule.h"
#include "pqQVTKWidgetBase.h"
#include "vtkEventQtSlotConnect.h"
#include "vtkNew.h"
#include "vtkRenderWindow.h"
#include "vtkSmartPointer.h"
#include "vtkWeakPointer.h"

#include <QVariant>
#include <QWidget>

class vtkSMProxy;
class vtkSMSession;

class PQCORE_EXPORT pqQVTKWidget : public QWidget
{
  Q_OBJECT
  typedef QWidget Superclass;

public:
  pqQVTKWidget(QWidget* parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags{});
  pqQVTKWidget(QWidget* parentObject, Qt::WindowFlags f, bool isStereo);
  ~pqQVTKWidget() override;

  void setViewProxy(vtkSMProxy*);

  void setSession(vtkSMSession*);

  vtkTypeUInt32 getProxyId();

  void setSizePropertyName(const QString& pname) { this->SizePropertyName = pname; }
  const QString& sizePropertyName() const { return this->SizePropertyName; }

  void notifyQApplication(QMouseEvent*);

  void setRenderWindow(vtkRenderWindow* win);
  vtkRenderWindow* renderWindow() const;

  QVTKInteractor* interactor() const;
  bool isValid();

  void setEnableHiDPI(bool flag);
  void setCustomDevicePixelRatio(double cdpr);
  double effectiveDevicePixelRatio() const;
  void setViewSize(int width, int height);

  QWidget* renderWidget() const;


  void setCursorCustom(const QCursor& cursor);
  QCursor cursorCustom() const;

public Q_SLOTS: // NOLINT(readability-redundant-access-specifiers)
  void paintMousePointer(int x, int y);

private Q_SLOTS:
  void prepareContextForRendering();

protected:
  bool renderVTK();
  bool canRender();

#if PARAVIEW_USING_QVTKOPENGLSTEREOWIDGET
  void resizeEvent(QResizeEvent* evt) override;
#endif

private:
  Q_DISABLE_COPY(pqQVTKWidget)
  vtkSmartPointer<vtkSMProxy> ViewProxy;
  vtkWeakPointer<vtkSMSession> Session;
  QString SizePropertyName;
  vtkNew<vtkEventQtSlotConnect> VTKConnect;

  bool useStereo;
  QVariant baseClass;
};

class vtkGenericOpenGLRenderWindow;
typedef vtkGenericOpenGLRenderWindow pqQVTKWidgetBaseRenderWindowType;

#endif