abstractwidgetobserver.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include "abstractwidgetobserver.h"
 
#include <vtkInteractorObserver.h>
 
namespace VtkUtils {
 
AbstractWidgetObserver::AbstractWidgetObserver(QObject *parent)
    : QObject(parent) {}
 
AbstractWidgetObserver::~AbstractWidgetObserver() {}
 
void AbstractWidgetObserver::attach(vtkInteractorObserver *widget) {
    if (widget && widget != m_widget) {
        m_widget = widget;
 
        // we only care about this specific event
        m_widget->AddObserver(vtkCommand::EndInteractionEvent, this);
    }
}
 
}  // namespace VtkUtils