abstractwidgetobserver.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <vtkCommand.h>
 
#include <QObject>
 
#include "../qPCL.h"
 
class vtkInteractorObserver;
namespace VtkUtils {
 
class QPCL_ENGINE_LIB_API AbstractWidgetObserver : public QObject,
                                                   public vtkCommand {
    Q_OBJECT
public:
    explicit AbstractWidgetObserver(QObject* parent = 0);
    virtual ~AbstractWidgetObserver();
 
    void attach(vtkInteractorObserver* widget);
 
protected:
    virtual void Execute(vtkObject* caller,
                         unsigned long eventId,
                         void* callData) = 0;
 
protected:
    vtkInteractorObserver* m_widget = nullptr;
};
 
}  // namespace VtkUtils