sch_point_editor.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef SCH_POINT_EDITOR_H
#define SCH_POINT_EDITOR_H
 
#include <tools/sch_tool_base.h>
#include <tool/edit_points.h>
#include <tool/selection.h>
 
namespace KIGFX { namespace PREVIEW { class ANGLE_ITEM; } }
 
class EE_GRID_HELPER;
enum class ARC_EDIT_MODE;
class SCH_SELECTION_TOOL;
class POINT_EDIT_BEHAVIOR;
class SCH_BASE_FRAME;
class SCH_COMMIT;

class SCH_POINT_EDITOR : public SCH_TOOL_BASE<SCH_BASE_FRAME>
{
public:
    SCH_POINT_EDITOR();

    void Reset( RESET_REASON aReason ) override;

    bool Init() override;
 
    int Main( const TOOL_EVENT& aEvent );

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

    bool IsDragging() const { return m_inDrag; }

    void setTransitions() override;
 
private:
    void updateParentItem( bool aSnapToGrid, SCH_COMMIT& aCommit ) const;

    void dragPinsOnEdge( const std::vector<SEG>& aOldEdges, const std::vector<VECTOR2I>& aMoveVecs,
                         int aUnit, SCH_COMMIT& aCommit ) const;

    void updatePoints();

    void updateEditedPoint( const TOOL_EVENT& aEvent );

    int clearEditedPoints( const TOOL_EVENT& aEvent );

    void setEditedPoint( EDIT_POINT* aPoint );

    inline bool isModified( const EDIT_POINT& aPoint ) const
    {
        return m_editedPoint == &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;
    }
 
    void pinEditedCorner( int minWidth, int minHeight, VECTOR2I& topLeft, VECTOR2I& topRight,
                          VECTOR2I& botLeft, VECTOR2I& botRight, EE_GRID_HELPER* aGrid ) const;
 
    bool addCornerCondition( const SELECTION& aSelection );
    bool removeCornerCondition( const SELECTION& aSelection );

    int addCorner( const TOOL_EVENT& aEvent );
    int removeCorner( const TOOL_EVENT& aEvent );
    int changeArcEditMode( const TOOL_EVENT& aEvent );
    int modifiedSelection( const TOOL_EVENT& aEvent );
 
private:
    void makePointsAndBehavior( EDA_ITEM* aItem );

    EDIT_POINT* m_editedPoint;

    bool m_inDrag;
 
    ARC_EDIT_MODE m_arcEditMode;

    bool m_inPointEditor;

    std::shared_ptr<EDIT_POINTS> m_editPoints;
    std::unique_ptr<KIGFX::PREVIEW::ANGLE_ITEM> m_angleItem;

    std::unique_ptr<POINT_EDIT_BEHAVIOR> m_editBehavior;
};
 
#endif  // SCH_POINT_EDITOR_H