CustomVtkCaptionWidget.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "qPCL.h"
#include <vtkCallbackCommand.h>
#include <vtkCaptionWidget.h>
#include <vtkCommand.h>
#include <vtkObject.h>
#include <vtkSmartPointer.h>
 
// Forward declaration
class cc2DLabel;
 
class QPCL_ENGINE_LIB_API CustomVtkCaptionWidget : public vtkCaptionWidget {
public:
    static CustomVtkCaptionWidget* New();
 
    vtkTypeMacro(CustomVtkCaptionWidget, vtkCaptionWidget);
 
    void SetHandleEnabled(bool state);
 
    void SetAssociatedLabel(cc2DLabel* label);
 
    cc2DLabel* GetAssociatedLabel() const { return m_associatedLabel; }
 
protected:
    CustomVtkCaptionWidget();
    ~CustomVtkCaptionWidget() override;
 
    static void OnWidgetInteraction(vtkObject* caller,
                                    unsigned long eventId,
                                    void* clientData,
                                    void* callData);
 
    cc2DLabel* m_associatedLabel;
    vtkSmartPointer<vtkCallbackCommand> m_interactionCallback;
 
private:
    CustomVtkCaptionWidget(const CustomVtkCaptionWidget&) = delete;
    void operator=(const CustomVtkCaptionWidget&) = delete;
};