layer_pairs.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * 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 LAYER_PAIRS_H
#define LAYER_PAIRS_H
 
#include <memory>
#include <span>
#include <string>
#include <vector>
#include <optional>
 
#include <wx/event.h>
 
#include <project/board_project_settings.h>
 
 
class wxBitmap;
 
wxDECLARE_EVENT( PCB_LAYER_PAIR_PRESETS_CHANGED, wxCommandEvent );
wxDECLARE_EVENT( PCB_CURRENT_LAYER_PAIR_CHANGED, wxCommandEvent );

class LAYER_PAIR_SETTINGS: public wxEvtHandler
{
public:
    LAYER_PAIR_SETTINGS() :
            m_currentPair( F_Cu, B_Cu )
    {
    }
 
    LAYER_PAIR_SETTINGS( const LAYER_PAIR_SETTINGS& aOther );
 
    bool AddLayerPair( LAYER_PAIR_INFO aPair );

    bool RemoveLayerPair( const LAYER_PAIR& aPair );

    std::span<const LAYER_PAIR_INFO> GetLayerPairs() const;
    std::span<LAYER_PAIR_INFO> GetLayerPairs();

    std::vector<LAYER_PAIR_INFO> GetEnabledLayerPairs( int& aCurrentIndex ) const;

    void SetLayerPairs( std::span<const LAYER_PAIR_INFO> aPairs );
 
    const LAYER_PAIR& GetCurrentLayerPair() const { return m_currentPair; }

    void SetCurrentLayerPair( const LAYER_PAIR& aPair );
 
private:
    bool addLayerPairInternal( LAYER_PAIR_INFO aPair );
    bool removeLayerPairInternal( const LAYER_PAIR& aPair );
 
    // Ordered store of all preset layer pairs
    std::vector<LAYER_PAIR_INFO> m_pairs;
 
    // Keep track of the last manual pair (set, but not a preset)
    // for quick switching back
    std::optional<LAYER_PAIR> m_lastManualPair;
 
    LAYER_PAIR m_currentPair;
};
 
#endif // LAYER_PAIRS_H