sch_move_tool.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 CERN
 * Copyright (C) 2019-2021 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, 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 KICAD_SCH_MOVE_TOOL_H
#define KICAD_SCH_MOVE_TOOL_H

#include <tools/ee_tool_base.h>
#include <sch_base_frame.h>


class SCH_EDIT_FRAME;
class EE_SELECTION_TOOL;


struct SPECIAL_CASE_LABEL_INFO
{
    SCH_LINE* attachedLine;
    wxPoint   originalLabelPos;
};


class SCH_MOVE_TOOL : public EE_TOOL_BASE<SCH_EDIT_FRAME>
{
public:
    SCH_MOVE_TOOL();
    ~SCH_MOVE_TOOL() override { }

    bool Init() override;

    int Main( const TOOL_EVENT& aEvent );

    int AlignElements( const TOOL_EVENT& aEvent );

private:
    void moveItem( EDA_ITEM* aItem, const VECTOR2I& aDelta );

    void getConnectedDragItems( SCH_ITEM* aOriginalItem, wxPoint aPoint, EDA_ITEMS& aList );

    void setTransitions() override;

private:
    bool                  m_moveInProgress;
    bool                  m_isDragOperation;

    EDA_ITEMS             m_dragAdditions;

    VECTOR2I              m_moveOffset;

    VECTOR2I              m_cursor;

    boost::optional<VECTOR2I> m_anchorPos;

    // A map of labels to scaling factors.  Used to scale the movement vector for labels that
    // are attached to wires which have only one end moving.
    std::map<SCH_TEXT*, SPECIAL_CASE_LABEL_INFO> m_specialCaseLabels;

};

#endif //KICAD_SCH_MOVE_TOOL_H