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//##########################################################################
//# #
//# CLOUDCOMPARE #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU General Public License as published by #
//# the Free Software Foundation; version 2 or later of the License. #
//# #
//# This program is distributed in the hope that it will be useful, #
//# but WITHOUT ANY WARRANTY; without even the implied warranty of #
//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
//# GNU General Public License for more details. #
//# #
//# COPYRIGHT: CloudCompare project #
//# #
//##########################################################################
#ifndef CC_PICKING_LISTENER_HEADER
#define CC_PICKING_LISTENER_HEADER
//CCLib
#include <CCGeom.h>
//Qt
#include <QPoint>
class ccHObject;
//! Point/triangle picking listener interface
class ccPickingListener
{
public:
virtual ~ccPickingListener() = default;
//! Picked item
struct PickedItem
{
PickedItem()
: entity(nullptr)
, itemIndex(0)
{}
QPoint clickPoint; //position of the user click
ccHObject* entity; //picked entity (if any)
unsigned itemIndex; //e.g. point or triangle index
CCVector3 P3D; //picked point in 3D (if any)
};
//! Method called whenever an item is picked
virtual void onItemPicked(const PickedItem& pi) = 0;
};
#endif //CC_PICKING_LISTENER_HEADER
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