ee_grid_helper.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 * @author Tomasz Wlostowski <[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 EE_GRID_HELPER_H
#define EE_GRID_HELPER_H
 
#include <math/vector2d.h>
#include <origin_viewitem.h>
#include <tool/grid_helper.h>
#include "sch_selection.h"
 
class SCH_ITEM;
 
 
class EE_GRID_HELPER : public GRID_HELPER
{
public:
 
    EE_GRID_HELPER();
    EE_GRID_HELPER( TOOL_MANAGER* aToolMgr );
    ~EE_GRID_HELPER() override;

    SCH_ITEM* GetSnapped() const;
 
    VECTOR2D GetGridSize( GRID_HELPER_GRIDS aGrid ) const override;
    using GRID_HELPER::GetGrid;
 
    GRID_HELPER_GRIDS GetSelectionGrid( const SELECTION& aItem ) const override;
    GRID_HELPER_GRIDS GetItemGrid( const EDA_ITEM* aItem ) const override;
 
    VECTOR2I BestDragOrigin( const VECTOR2I& aMousePos, GRID_HELPER_GRIDS aGrid,
                             const SCH_SELECTION& aItems );
 
    VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, GRID_HELPER_GRIDS aGrid, SCH_ITEM* aSkip );
    VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, GRID_HELPER_GRIDS aGrid,
                             const SCH_SELECTION& aSkip = {} );
 
private:
    std::set<SCH_ITEM*> queryVisible( const BOX2I& aArea, const SCH_SELECTION& aSkipList ) const;
 
    ANCHOR* nearestAnchor( const VECTOR2I& aPos, int aFlags, GRID_HELPER_GRIDS aGrid );

    void computeAnchors( SCH_ITEM* aItem, const VECTOR2I& aRefPos, bool aFrom = false,
                         bool aIncludeText = false );
};
 
#endif