ccTopologyTool.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <DistanceComputationTools.h>
#include <ecvColorTypes.h>
 
#include "ccGeoObject.h"
#include "ccTool.h"
#include "ccTopologyRelation.h"
 
/*
Tool used to assign topology (timing) relationships between different
GeoObjects.
*/
class ccTopologyTool : public ccTool {
public:
    ccTopologyTool();
    virtual ~ccTopologyTool();
 
    // called when the tool is set to active (for initialization)
    virtual void toolActivated() override;
 
    // called when the tool is set to disactive (for cleanup)
    virtual void toolDisactivated() override;
 
    // called when the selection is changed while this tool is active
    virtual void onNewSelection(
            const ccHObject::Container& selectedEntities) override;
 
    // called when "Return" or "Space" is pressed, or the "Accept Button" is
    // clicked
    void accept() override;  // do nothing
 
    // called when the "Escape" is pressed, or the "Cancel" button is clicked
    void cancel() override;  // do nothing
protected:
    int m_firstPick = -1;  // first object of a (pairwise) topology relationship
public:
    static int RELATIONSHIP;  // used to define the topology relationship being
                              // assigned (possible values are in
                              // ccTopologyRelation)
};