pcb_point_editor.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013-2017 CERN
 * Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * @author Maciej Suminski <[email protected]>
 *
 * 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef PCB_POINT_EDITOR_H
#define PCB_POINT_EDITOR_H

#include <tool/tool_interactive.h>
#include "tool/edit_points.h"
#include <status_popup.h>

#include <memory>


class PCB_SELECTION_TOOL;
class SHAPE_POLY_SET;

class PCB_POINT_EDITOR : public PCB_TOOL_BASE
{
public:
 PCB_POINT_EDITOR();

 void Reset( RESET_REASON aReason ) override;

 bool Init() override;

 int OnSelectionChange( const TOOL_EVENT& aEvent );

 bool HasPoint() { return m_editedPoint != nullptr; }

private:
 void setTransitions() override;

 void buildForPolyOutline( std::shared_ptr<EDIT_POINTS> points, const SHAPE_POLY_SET* aOutline );

 std::shared_ptr<EDIT_POINTS> makePoints( EDA_ITEM* aItem );

 void updateItem() const;

 void finishItem();

 bool validatePolygon( SHAPE_POLY_SET& aModified ) const;

 void updatePoints();

 void updateEditedPoint( const TOOL_EVENT& aEvent );

 void setEditedPoint( EDIT_POINT* aPoint );

 inline int getEditedPointIndex() const
 {
 for( unsigned i = 0; i < m_editPoints->PointsSize(); ++i )
 {
 if( m_editedPoint == &m_editPoints->Point( i ) )
 return i;
 }

 return wxNOT_FOUND;
 }

 inline bool isModified( const EDIT_POINT& aPoint ) const
 {
 return m_editedPoint == &aPoint;
 }

 void setAltConstraint( bool aEnabled );

 EDIT_POINT get45DegConstrainer() const;

 static bool addCornerCondition( const SELECTION& aSelection );

 static bool canAddCorner( const EDA_ITEM& aItem );

 bool removeCornerCondition( const SELECTION& aSelection );

 int addCorner( const TOOL_EVENT& aEvent );
 int removeCorner( const TOOL_EVENT& aEvent );
 int modifiedSelection( const TOOL_EVENT& aEvent );

 void editArcEndpointKeepTangent( PCB_SHAPE* aArc, const VECTOR2I& aCenter,
 const VECTOR2I& aStart, const VECTOR2I& aMid,
 const VECTOR2I& aEnd, const VECTOR2I& aCursor ) const;

 void editArcEndpointKeepCenter( PCB_SHAPE* aArc, const VECTOR2I& aCenter,
 const VECTOR2I& aStart, const VECTOR2I& aMid,
 const VECTOR2I& aEnd, const VECTOR2I& aCursor ) const;

 void editArcMidKeepEndpoints( PCB_SHAPE* aArc, const VECTOR2I& aStart, const VECTOR2I& aEnd,
 const VECTOR2I& aCursor ) const;

 void editArcMidKeepCenter( PCB_SHAPE* aArc, const VECTOR2I& aCenter, const VECTOR2I& aStart,
 const VECTOR2I& aMid, const VECTOR2I& aEnd,
 const VECTOR2I& aCursor ) const;

 int changeEditMethod( const TOOL_EVENT& aEvent );

 PCB_SELECTION_TOOL* m_selectionTool;
 std::unique_ptr<STATUS_TEXT_POPUP> m_statusPopup;
 std::shared_ptr<EDIT_POINTS> m_editPoints;

 EDIT_POINT* m_editedPoint;
 EDIT_POINT* m_hoveredPoint;

 EDIT_POINT m_original; 

 bool m_refill;
 bool m_altEditMethod;

 // Alternative constraint, enabled while a modifier key is held
 std::shared_ptr<EDIT_CONSTRAINT<EDIT_POINT>> m_altConstraint;
 EDIT_POINT m_altConstrainer;
};

#endif