dialog_layers_select_to_pcb.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2022 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
 */
 
#include <X2_gerber_attributes.h>
#include <gerber_file_image.h>
#include <gerber_file_image_list.h>
#include <gerbview.h>
#include <gerbview_frame.h>
#include <gerbview_id.h>
#include <gerbview_settings.h>
#include <kiface_base.h>
#include <layer_ids.h>
 
#include <dialogs/dialog_layers_select_to_pcb.h>
 
#include <wx/msgdlg.h>
#include <gestfich.h>
 
extern const wxString GetPCBDefaultLayerName( int aLayerNumber );
 
 
enum swap_layer_id {
 ID_LAYERS_MAP_DIALOG = ID_GERBER_END_LIST,
 ID_BUTTON_0,
 ID_TEXT_0 = ID_BUTTON_0 + GERBER_DRAWLAYERS_COUNT
};
 
 
int LAYERS_MAP_DIALOG::m_exportBoardCopperLayersCount = 2;
 
 
BEGIN_EVENT_TABLE( LAYERS_MAP_DIALOG, LAYERS_MAP_DIALOG_BASE )
 EVT_COMMAND_RANGE( ID_BUTTON_0, ID_BUTTON_0 + GERBER_DRAWLAYERS_COUNT-1,
 wxEVT_COMMAND_BUTTON_CLICKED,
 LAYERS_MAP_DIALOG::OnSelectLayer )
END_EVENT_TABLE()
 
 
LAYERS_MAP_DIALOG::LAYERS_MAP_DIALOG( GERBVIEW_FRAME* parent ) :
 LAYERS_MAP_DIALOG_BASE( parent )
{
 m_Parent = parent;
 initDialog();
 
 // Resize the dialog
 Layout();
 GetSizer()->SetSizeHints( this );
 Centre();
}
 
 
void LAYERS_MAP_DIALOG::initDialog()
{
 wxStaticText* label;
 wxStaticText* text;
 int item_ID;
 wxString msg;
 wxSize goodSize;
 GERBVIEW_SETTINGS* config = static_cast<GERBVIEW_SETTINGS*>( Kiface().KifaceSettings() );
 
 for( int ii = 0; ii < GERBER_DRAWLAYERS_COUNT; ++ii )
 {
 // Specify the default value for each member of these arrays.
 m_buttonTable[ii] = -1;
  m_layersLookUpTable[ii] = UNSELECTED_LAYER;
 }
 
 // Ensure we have:
 // At least 2 copper layers and less than max pcb copper layers count
 // Even number of layers because a board *must* have even layers count
 normalizeBrdLayersCount();
 
 int idx = ( m_exportBoardCopperLayersCount / 2 ) - 1;
 m_comboCopperLayersCount->SetSelection( idx );
 
 m_gerberActiveLayersCount = 0;
 GERBER_FILE_IMAGE_LIST* images = m_Parent->GetGerberLayout()->GetImagesList();
 
 for( unsigned ii = 0; ii < GERBER_DRAWLAYERS_COUNT; ++ii )
 {
 if( images->GetGbrImage( ii ) == nullptr )
 break;
 
 m_buttonTable[m_gerberActiveLayersCount] = ii;
 m_gerberActiveLayersCount++;
 }
 
 if( m_gerberActiveLayersCount <= GERBER_DRAWLAYERS_COUNT / 2 ) // Only one list is enough
 m_staticlineSep->Hide();
 
 wxFlexGridSizer* flexColumnBoxSizer = m_flexLeftColumnBoxSizer;
 
 for( int ii = 0; ii < m_gerberActiveLayersCount; ii++ )
 {
 // Each Gerber layer has an associated static text string (to
 // identify that layer), a button (for invoking a child dialog
 // box to change which Pcbnew layer that the Gerber layer is
 // mapped to), and a second static text string (to depict which
 // Pcbnew layer that the Gerber layer has been mapped to). Each
 // of those items are placed into the left hand column, middle
 // column, and right hand column (respectively) of the Flexgrid
 // sizer, and the color of the second text string is set to
 // fuchsia or blue (to respectively indicate whether the Gerber
 // layer has been mapped to a Pcbnew layer or is not being
 // exported at all). (Experimentation has shown that if a text
 // control is used to depict which Pcbnew layer that each Gerber
 // layer is mapped to (instead of a static text string), then
 // those controls do not behave in a fully satisfactory manner
 // in the Linux version. Even when the read-only attribute is
 // specified for all of those controls, they can still be selected
 // when the arrow keys or Tab key is used to step through all of
 // the controls within the dialog box, and directives to set the
 // foreground color of the text of each such control to blue (to
 // indicate that the text is of a read-only nature) are disregarded.
 // Specify a FlexGrid sizer with an appropriate number of rows
 // and three columns. If nb_items < 16, then the number of rows
 // is nb_items; otherwise, the number of rows is 16 (with two
 // separate columns of controls being used if nb_items > 16).
 
 if( ii == GERBER_DRAWLAYERS_COUNT / 2 )
 flexColumnBoxSizer = m_flexRightColumnBoxSizer;
 
 // Provide a text string to identify the Gerber layer
 msg.Printf( _( "Layer %d" ), m_buttonTable[ii] + 1 );
 
 label = new wxStaticText( this, wxID_STATIC, msg );
 flexColumnBoxSizer->Add( label, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5 );
 
 /* Add file name and extension without path. */
 wxFileName fn( images->GetGbrImage( ii )->m_FileName );
 label = new wxStaticText( this, wxID_STATIC, fn.GetFullName() );
 flexColumnBoxSizer->Add( label, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5 );
 
 // Provide a button for this layer (which will invoke a child dialog box)
 item_ID = ID_BUTTON_0 + ii;
 wxButton * Button = new wxButton( this, item_ID, wxT( "..." ), wxDefaultPosition,
 wxDefaultSize, wxBU_EXACTFIT );
 
 flexColumnBoxSizer->Add( Button, 0, wxALIGN_CENTER_VERTICAL | wxALL );
 
 // Provide another text string to specify which Pcbnew layer that this
 // Gerber layer is mapped to. All layers initially default to
 // "Do NotExport" (which corresponds to UNSELECTED_LAYER). Whenever
 // a layer is set to "Do Not Export" it's displayed in blue. When a
 // user selects a specific KiCad layer to map to, it's displayed in
 // magenta which indicates it will be exported.
 item_ID = ID_TEXT_0 + ii;
 
 // All layers default to "Do Not Export" displayed in blue
 msg = _( "Do not export" );
 text = new wxStaticText( this, item_ID, msg );
 text->SetForegroundColour( *wxBLUE );
 
 // When the first of these text strings is being added, determine what
 // size is necessary to to be able to display any possible string
 // without it being truncated. Then specify that size as the minimum
 // size for all of these text strings. (If this minimum size is not
 // determined in this fashion, then it is possible for the display of
 // one or more of these strings to be truncated after different Pcbnew
 // layers are selected.)
 
 if( ii == 0 )
 {
 goodSize = text->GetSize();
 
 for( int jj = 0; jj < GERBER_DRAWLAYERS_COUNT; ++jj )
 {
 text->SetLabel( GetPCBDefaultLayerName( jj ) );
 
 if( goodSize.x < text->GetSize().x )
 goodSize.x = text->GetSize().x;
 }
 text->SetLabel( msg ); // Reset label to default text
 }
 
 text->SetMinSize( goodSize );
 flexColumnBoxSizer->Add( text, 1, wxALIGN_CENTER_VERTICAL | wxALL, 5 );
 
 m_layersList[ii] = text;
 }
 
 // If the user has never stored any Gerber to KiCad layer mapping,
 // then disable the button to retrieve it
 if( config->m_GerberToPcbLayerMapping.size() == 0 )
 m_buttonRetrieve->Enable( false );
 
 std::vector<int> gerber2KicadMapping;
 
 // See how many of the loaded Gerbers can be mapped to KiCad layers automatically
 int numMappedGerbers = findKnownGerbersLoaded( gerber2KicadMapping );
 
 if( numMappedGerbers > 0 )
 {
 // See if the user wants to map the Altium Gerbers to known KiCad PCB layers
 int returnVal = wxMessageBox(
 _( "Gerbers with known layers: " + wxString::Format( wxT( "%i" ), numMappedGerbers )
 + "\n\nAssign to matching KiCad PCB layers?" ),
 _( "Automatic Layer Assignment" ), wxOK | wxCANCEL | wxOK_DEFAULT );
 
 if( returnVal == wxOK )
 {
 for( int ii = 0; ii < m_gerberActiveLayersCount; ii++ )
 {
 int currLayer = gerber2KicadMapping[ii];
 
 // Default to "Do Not Export" for unselected or undefined layer
 if( currLayer == UNSELECTED_LAYER )
 {
 m_layersList[ii]->SetLabel( _( "Do not export" ) );
 m_layersList[ii]->SetForegroundColour( *wxBLUE );
 
 // Set the layer internally to unselected
 m_layersLookUpTable[ii] = UNSELECTED_LAYER;
 }
 else
 {
 m_layersList[ii]->SetLabel( GetPCBDefaultLayerName( currLayer ) );
 m_layersList[ii]->SetForegroundColour( wxColour( 255, 0, 128 ) );
 
 // Set the layer internally to the matching KiCad layer
 m_layersLookUpTable[ii] = currLayer;
 }
 }
 }
 }
}
 
 
void LAYERS_MAP_DIALOG::normalizeBrdLayersCount()
{
 if( ( m_exportBoardCopperLayersCount & 1 ) )
 m_exportBoardCopperLayersCount++;
 
 if( m_exportBoardCopperLayersCount > GERBER_DRAWLAYERS_COUNT )
 m_exportBoardCopperLayersCount = GERBER_DRAWLAYERS_COUNT;
 
 if( m_exportBoardCopperLayersCount < 2 )
 m_exportBoardCopperLayersCount = 2;
 
}
 
 
void LAYERS_MAP_DIALOG::OnBrdLayersCountSelection( wxCommandEvent& event )
{
 int id = event.GetSelection();
 m_exportBoardCopperLayersCount = ( id + 1 ) * 2;
}
 
 
void LAYERS_MAP_DIALOG::OnResetClick( wxCommandEvent& event )
{
 for( int ii = 0; ii < m_gerberActiveLayersCount; ++ii )
 {
 m_layersLookUpTable[ii] = UNSELECTED_LAYER;
 m_layersList[ii]->SetLabel( _( "Do not export" ) );
 m_layersList[ii]->SetForegroundColour( *wxBLUE );
 m_buttonTable[ii] = ii;
 }
 // wxWidgets doesn't appear to invalidate / update the StaticText displays for color change
 // so we do it manually
 Refresh();
 Update();
}
 
 
void LAYERS_MAP_DIALOG::OnStoreSetup( wxCommandEvent& event )
{
 GERBVIEW_SETTINGS* config = static_cast<GERBVIEW_SETTINGS*>( Kiface().KifaceSettings() );
 config->m_BoardLayersCount = m_exportBoardCopperLayersCount;
 
 config->m_GerberToPcbLayerMapping.clear();
 
 for( int ii = 0; ii < GERBER_DRAWLAYERS_COUNT; ++ii )
 config->m_GerberToPcbLayerMapping.push_back( m_layersLookUpTable[ii] );
 
 // Enable the "Get Stored Choice" button in case it was disabled in "initDialog()"
 // due to no previously stored choices.
 m_buttonRetrieve->Enable( true );
}
 
 
void LAYERS_MAP_DIALOG::OnGetSetup( wxCommandEvent& event )
{
 GERBVIEW_SETTINGS* config = static_cast<GERBVIEW_SETTINGS*>( Kiface().KifaceSettings() );
 
 m_exportBoardCopperLayersCount = config->m_BoardLayersCount;
 normalizeBrdLayersCount();
 
 int idx = ( m_exportBoardCopperLayersCount / 2 ) - 1;
 m_comboCopperLayersCount->SetSelection( idx );
 
 for( int ii = 0; ii < GERBER_DRAWLAYERS_COUNT; ++ii )
 {
 // Ensure the layer mapping in config exists for this layer, and store it
 if( (size_t)ii >= config->m_GerberToPcbLayerMapping.size() )
 break;
 
 m_layersLookUpTable[ii] = config->m_GerberToPcbLayerMapping[ ii ];
 }
 
 for( int ii = 0; ii < m_gerberActiveLayersCount; ii++ )
 {
 int layer = m_layersLookUpTable[ii];
 
 if( layer == UNSELECTED_LAYER )
 {
 m_layersList[ii]->SetLabel( _( "Do not export" ) );
 m_layersList[ii]->SetForegroundColour( *wxBLUE );
 }
 else if( layer == UNDEFINED_LAYER )
 {
 m_layersList[ii]->SetLabel( _( "Hole data" ) );
 m_layersList[ii]->SetForegroundColour( wxColour( 255, 0, 128 ) );
 }
 else
 {
 m_layersList[ii]->SetLabel( GetPCBDefaultLayerName( layer ) );
 m_layersList[ii]->SetForegroundColour( wxColour( 255, 0, 128 ) );
 }
 }
}
 
 
void LAYERS_MAP_DIALOG::OnSelectLayer( wxCommandEvent& event )
{
 int ii = event.GetId() - ID_BUTTON_0;
 
 if( ii < 0 || ii >= GERBER_DRAWLAYERS_COUNT )
 {
 wxFAIL_MSG( wxT( "Bad layer id" ) );
 return;
 }
 
 int jj = m_layersLookUpTable[ m_buttonTable[ii] ];
 
 if( jj != UNSELECTED_LAYER && jj != UNDEFINED_LAYER && !IsValidLayer( jj ) )
 jj = B_Cu; // (Defaults to "Copper" layer.)
 
 // Get file name of Gerber loaded on this layer
 wxFileName fn( m_Parent->GetGerberLayout()->GetImagesList()->GetGbrImage( ii )->m_FileName );
 
 // Surround it with quotes to make it stand out on the dialog title bar
 wxString layerName = wxT( "\"" ) + fn.GetFullName() + wxT( "\"" );
 
 // Display dialog to let user select a layer for the Gerber
 jj = m_Parent->SelectPCBLayer( jj, m_exportBoardCopperLayersCount, layerName );
 
 if( jj != UNSELECTED_LAYER && jj != UNDEFINED_LAYER && !IsValidLayer( jj ) )
 return;
 
 if( jj != m_layersLookUpTable[m_buttonTable[ii]] )
 {
 m_layersLookUpTable[m_buttonTable[ii]] = jj;
 
 if( jj == UNSELECTED_LAYER )
 {
 m_layersList[ii]->SetLabel( _( "Do not export" ) );
 
 // Change the text color to blue (to highlight
 // that this layer is *not* being exported)
 m_layersList[ii]->SetForegroundColour( *wxBLUE );
 }
 else if( jj == UNDEFINED_LAYER )
 {
 m_layersList[ii]->SetLabel( _( "Hole data" ) );
 
 // Change the text color to fuchsia (to highlight
 // that this layer *is* being exported)
 m_layersList[ii]->SetForegroundColour( wxColour( 255, 0, 128 ) );
 }
 else
 {
 m_layersList[ii]->SetLabel( GetPCBDefaultLayerName( jj ) );
 
 // Change the text color to fuchsia (to highlight
 // that this layer *is* being exported)
 m_layersList[ii]->SetForegroundColour( wxColour( 255, 0, 128 ) );
 }
 }
 // wxWidgets doesn't appear to invalidate / update the StaticText displays for color change
 // so we do it manually
 Refresh();
 Update();
}
 
 
bool LAYERS_MAP_DIALOG::TransferDataFromWindow()
{
 if( !wxDialog::TransferDataFromWindow() )
 return false;
 
 // Board must have enough copper layers to handle selected internal layers.
 normalizeBrdLayersCount();
 
 int inner_layer_max = 0;
 
 for( int ii = 0; ii < GERBER_DRAWLAYERS_COUNT; ++ii )
 {
 if( m_layersLookUpTable[ii] < F_Cu )
 {
 if( m_layersLookUpTable[ii ] > inner_layer_max )
 inner_layer_max = m_layersLookUpTable[ii];
 }
 }
 
 // inner_layer_max must be less than (or equal to the number of internal copper layers
 // internal copper layers = m_exportBoardCopperLayersCount-2
 if( inner_layer_max > m_exportBoardCopperLayersCount-2 )
 {
 wxMessageBox( _( "Exported board does not have enough copper layers to handle selected "
 "inner layers" ) );
 return false;
 }
 
 return true;
}
 
 
int LAYERS_MAP_DIALOG::findKnownGerbersLoaded( std::vector<int>& aGerber2KicadMapping )
{
 int numKnownGerbers = 0;
 
 // We can automatically map Gerbers using different techniques. The first thing we
 // try is to see if any of the loaded Gerbers were created by or use the
 // Altium/Protel file extensions
 numKnownGerbers += findNumAltiumGerbersLoaded( aGerber2KicadMapping );
 
 // Next we check if any of the loaded Gerbers are X2 Gerbers and if they contain
 
 // layer information in "File Functions". For info about X2 Gerbers see
 // http://www.ucamco.com/files/downloads/file/81/the_gerber_file_format_specification.pdf
 numKnownGerbers += findNumX2GerbersLoaded( aGerber2KicadMapping );
 
 // Finally, check if any of the loaded Gerbers use the KiCad naming conventions
 numKnownGerbers += findNumKiCadGerbersLoaded( aGerber2KicadMapping );
 
 return numKnownGerbers;
}
 
 
int LAYERS_MAP_DIALOG::findNumAltiumGerbersLoaded( std::vector<int>& aGerber2KicadMapping )
{
 // The next comment preserves initializer formatting below it
 // clang-format off
 // This map contains the known Altium file extensions for Gerbers that we care about,
 // along with their corresponding KiCad layer
 std::map<wxString, PCB_LAYER_ID> altiumExt{
 { wxT( "GTL" ), F_Cu }, // Top copper
 { wxT( "G1" ), In1_Cu }, // Inner layers 1 - 30
 { wxT( "G2" ), In2_Cu },
 { wxT( "G3" ), In3_Cu },
 { wxT( "G4" ), In4_Cu },
 { wxT( "G5" ), In5_Cu },
 { wxT( "G6" ), In6_Cu },
 { wxT( "G7" ), In7_Cu },
 { wxT( "G8" ), In8_Cu },
 { wxT( "G9" ), In9_Cu },
 { wxT( "G10" ), In10_Cu },
 { wxT( "G11" ), In11_Cu },
 { wxT( "G12" ), In12_Cu },
 { wxT( "G13" ), In13_Cu },
 { wxT( "G14" ), In14_Cu },
 { wxT( "G15" ), In15_Cu },
 { wxT( "G16" ), In16_Cu },
 { wxT( "G17" ), In17_Cu },
 { wxT( "G18" ), In18_Cu },
 { wxT( "G19" ), In19_Cu },
 { wxT( "G20" ), In20_Cu },
 { wxT( "G21" ), In21_Cu },
 { wxT( "G22" ), In22_Cu },
 { wxT( "G23" ), In23_Cu },
 { wxT( "G24" ), In24_Cu },
 { wxT( "G25" ), In25_Cu },
 { wxT( "G26" ), In26_Cu },
 { wxT( "G27" ), In27_Cu },
 { wxT( "G28" ), In28_Cu },
 { wxT( "G29" ), In29_Cu },
 { wxT( "G30" ), In30_Cu },
 { wxT( "GBL" ), B_Cu }, // Bottom copper
 { wxT( "GTP" ), F_Paste }, // Paste top
 { wxT( "GBP" ), B_Paste }, // Paste bottom
 { wxT( "GTO" ), F_SilkS }, // Silkscreen top
 { wxT( "GBO" ), B_SilkS }, // Silkscreen bottom
 { wxT( "GTS" ), F_Mask }, // Soldermask top
 { wxT( "GBS" ), B_Mask }, // Soldermask bottom
 { wxT( "GM1" ), Eco1_User }, // Altium mechanical layer 1
 { wxT( "GM2" ), Eco2_User }, // Altium mechanical layer 2
 { wxT( "GKO" ), Edge_Cuts } // PCB Outline
 };
 // clang-format on
 
 std::map<wxString, PCB_LAYER_ID>::iterator it;
 
 int numAltiumMatches = 0; // Assume we won't find Altium Gerbers
 
 GERBER_FILE_IMAGE_LIST* images = m_Parent->GetGerberLayout()->GetImagesList();
 
 // If the passed vector isn't empty but is too small to hold the loaded
 // Gerbers, then bail because something isn't right.
 
 if( ( aGerber2KicadMapping.size() != 0 )
 && ( aGerber2KicadMapping.size() != (size_t) m_gerberActiveLayersCount ) )
 return numAltiumMatches;
 
 // If the passed vector is empty, set it to the same number of elements as there
 // are loaded Gerbers, and set each to "UNSELECTED_LAYER"
 
 if( aGerber2KicadMapping.size() == 0 )
 aGerber2KicadMapping.assign( m_gerberActiveLayersCount, UNSELECTED_LAYER );
 
 // Loop through all loaded Gerbers looking for any with Altium specific extensions
 for( int ii = 0; ii < m_gerberActiveLayersCount; ii++ )
 {
 if( images->GetGbrImage( ii ) )
 {
 // Get file name of Gerber loaded on this layer.
 wxFileName fn( images->GetGbrImage( ii )->m_FileName );
 
 // Get uppercase version of file extension
 wxString FileExt = fn.GetExt();
 FileExt.MakeUpper();
 
 // Check for matching Altium Gerber file extension we'll handle
 it = altiumExt.find( FileExt );
 
 if( it != altiumExt.end() )
 {
 // We got a match, so store the KiCad layer number. We verify it's set to
 // "UNSELECTED_LAYER" in case the passed vector already had entries
 // matched to other known Gerber files. This will preserve them.
 
 if( aGerber2KicadMapping[ii] == UNSELECTED_LAYER )
 {
 aGerber2KicadMapping[ii] = it->second;
 numAltiumMatches++;
 }
 }
 }
 }
 
 // Return number of Altium Gerbers we found. Each index in the passed vector corresponds to
 // a loaded Gerber layer, and the entry will contain the index to the matching
 // KiCad layer for Altium Gerbers, or "UNSELECTED_LAYER" for the rest.
 return numAltiumMatches;
}
 
 
int LAYERS_MAP_DIALOG::findNumKiCadGerbersLoaded( std::vector<int>& aGerber2KicadMapping )
{
 // The next comment preserves initializer formatting below it
 // clang-format off
 // This map contains the known KiCad suffixes used for Gerbers that we care about,
 // along with their corresponding KiCad layer
 std::map<wxString, PCB_LAYER_ID> kicadLayers
 {
 { "-F_Cu", F_Cu },
 { "-In1_Cu", In1_Cu },
 { "-In2_Cu", In2_Cu },
 { "-In3_Cu", In3_Cu },
 { "-In4_Cu", In4_Cu },
 { "-In5_Cu", In5_Cu },
 { "-In6_Cu", In6_Cu },
 { "-In7_Cu", In7_Cu },
 { "-In8_Cu", In8_Cu },
 { "-In9_Cu", In9_Cu },
 { "-In10_Cu", In10_Cu },
 { "-In11_Cu", In11_Cu },
 { "-In12_Cu", In12_Cu },
 { "-In13_Cu", In13_Cu },
 { "-In14_Cu", In14_Cu },
 { "-In15_Cu", In15_Cu },
 { "-In16_Cu", In16_Cu },
 { "-In17_Cu", In17_Cu },
 { "-In18_Cu", In18_Cu },
 { "-In19_Cu", In19_Cu },
 { "-In20_Cu", In20_Cu },
 { "-In21_Cu", In21_Cu },
 { "-In22_Cu", In22_Cu },
 { "-In23_Cu", In23_Cu },
 { "-In24_Cu", In24_Cu },
 { "-In25_Cu", In25_Cu },
 { "-In26_Cu", In26_Cu },
 { "-In27_Cu", In27_Cu },
 { "-In28_Cu", In28_Cu },
 { "-In29_Cu", In29_Cu },
 { "-In30_Cu", In30_Cu },
 { "-B_Cu", B_Cu },
 { "-B_Adhes", B_Adhes },
 { "-F_Adhes", F_Adhes },
 { "-B_Paste", B_Paste },
 { "-F_Paste", F_Paste },
 { "-B_SilkS", B_SilkS },
 { "-F_SilkS", F_SilkS },
 { "-B_Mask", B_Mask },
 { "-F_Mask", F_Mask },
 { "-Dwgs_User", Dwgs_User },
 { "-Cmts_User", Cmts_User },
 { "-Eco1_User", Eco1_User },
 { "-Eco2_User", Eco2_User },
 { "-Edge_Cuts", Edge_Cuts }
 };
 // clang-format on
 
 std::map<wxString, PCB_LAYER_ID>::iterator it;
 
 int numKicadMatches = 0; // Assume we won't find KiCad Gerbers
 
 GERBER_FILE_IMAGE_LIST* images = m_Parent->GetGerberLayout()->GetImagesList();
 
 // If the passed vector isn't empty but is too small to hold the loaded
 // Gerbers, then bail because something isn't right.
 
 if( ( aGerber2KicadMapping.size() != 0 )
 && ( aGerber2KicadMapping.size() < (size_t) m_gerberActiveLayersCount ) )
 return numKicadMatches;
 
 // If the passed vector is empty, set it to the same number of elements as there
 // are loaded Gerbers, and set each to "UNSELECTED_LAYER"
 
 if( aGerber2KicadMapping.size() == 0 )
 aGerber2KicadMapping.assign( m_gerberActiveLayersCount, UNSELECTED_LAYER );
 
 // Loop through all loaded Gerbers looking for any with KiCad specific layer names
 for( int ii = 0; ii < m_gerberActiveLayersCount; ii++ )
 {
 if( images->GetGbrImage( ii ) )
 {
 // Get file name of Gerber loaded on this layer.
 wxFileName fn( images->GetGbrImage( ii )->m_FileName );
 
 wxString layerName = fn.GetName();
 
 // To create Gerber file names, KiCad appends a suffix consisting of a "-" and the
 // name of the layer to the project name. We need to isolate the suffix if present
 // and see if it's a known KiCad layer name. Start by looking for the last "-" in
 // the file name.
 int dashPos = layerName.Find( '-', true );
 
 // If one was found, isolate the suffix from the "-" to the end of the file name
 wxString suffix;
 
 if( dashPos != wxNOT_FOUND )
 suffix = layerName.Right( layerName.length() - dashPos );
 
 // Check if the string we've isolated matches any known KiCad layer names
 it = kicadLayers.find( suffix );
 
 if( it != kicadLayers.end() )
 {
 // We got a match, so store the KiCad layer number. We verify it's set to
 // "UNSELECTED_LAYER" in case the passed vector already had entries
 // matched to other known Gerber files. This will preserve them.
 
 if( aGerber2KicadMapping[ii] == UNSELECTED_LAYER )
 {
 aGerber2KicadMapping[ii] = it->second;
 numKicadMatches++;
 }
 }
 }
 }
 
 // Return number of KiCad Gerbers we found. Each index in the passed vector corresponds to
 // a loaded Gerber layer, and the entry will contain the index to the matching
 // KiCad layer for KiCad Gerbers, or "UNSELECTED_LAYER" for the rest.
 return numKicadMatches;
}
 
 
int LAYERS_MAP_DIALOG::findNumX2GerbersLoaded( std::vector<int>& aGerber2KicadMapping )
{
 // The next comment preserves initializer formatting below it
 // clang-format off
 // This map contains the known KiCad X2 "File Function" values used for Gerbers that we
 // care about, along with their corresponding KiCad layer
 std::map<wxString, PCB_LAYER_ID> kicadLayers
 {
 { wxT( "Top" ), F_Cu },
 { wxT( "L2" ), In1_Cu },
 { wxT( "L3" ), In2_Cu },
 { wxT( "L4" ), In3_Cu },
 { wxT( "L5" ), In4_Cu },
 { wxT( "L6" ), In5_Cu },
  { wxT( "L7" ), In6_Cu },
 { wxT( "L8" ), In7_Cu },
 { wxT( "L9" ), In8_Cu },
 { wxT( "L10" ), In9_Cu },
 { wxT( "L11" ), In10_Cu },
 { wxT( "L12" ), In11_Cu },
 { wxT( "L13" ), In12_Cu },
 { wxT( "L14" ), In13_Cu },
 { wxT( "L15" ), In14_Cu },
 { wxT( "L16" ), In15_Cu },
 { wxT( "L17" ), In16_Cu },
 { wxT( "L18" ), In17_Cu },
 { wxT( "L19" ), In18_Cu },
 { wxT( "L20" ), In19_Cu },
 { wxT( "L21" ), In20_Cu },
 { wxT( "L22" ), In21_Cu },
 { wxT( "L23" ), In22_Cu },
 { wxT( "L24" ), In23_Cu },
 { wxT( "L25" ), In24_Cu },
 { wxT( "L26" ), In25_Cu },
 { wxT( "L27" ), In26_Cu },
 { wxT( "L28" ), In27_Cu },
 { wxT( "L29" ), In28_Cu },
 { wxT( "L30" ), In29_Cu },
 { wxT( "Bot" ), B_Cu },
 { wxT( "BotGlue" ), B_Adhes },
 { wxT( "TopGlue" ), F_Adhes },
 { wxT( "BotPaste" ), B_Paste },
 { wxT( "TopPaste" ), F_Paste },
 { wxT( "BotLegend" ), B_SilkS },
 { wxT( "TopLegend" ), F_SilkS },
 { wxT( "BotSoldermask" ), B_Mask },
 { wxT( "TopSoldermask" ), F_Mask },
 { wxT( "FabricationDrawing" ), Dwgs_User },
 { wxT( "OtherDrawing" ), Cmts_User },
 { wxT( "TopAssemblyDrawing" ), Eco1_User },
 { wxT( "BotAssemblyDrawing" ), Eco2_User },
 { wxT( "PProfile" ), Edge_Cuts }, // Plated PCB outline
 { wxT( "NPProfile" ), Edge_Cuts } // Non-plated PCB outline
 };
 // clang-format on
 
 std::map<wxString, PCB_LAYER_ID>::iterator it;
 
 int numKicadMatches = 0; // Assume we won't find KiCad Gerbers
 
 wxString mapThis;
 
 GERBER_FILE_IMAGE_LIST* images = m_Parent->GetGerberLayout()->GetImagesList();
 
 // If the passed vector isn't empty but is too small to hold the loaded
 // Gerbers, then bail because something isn't right.
 
 if( ( aGerber2KicadMapping.size() != 0 )
 && ( aGerber2KicadMapping.size() < (size_t) m_gerberActiveLayersCount ) )
 return numKicadMatches;
 
 // If the passed vector is empty, set it to the same number of elements as there
 // are loaded Gerbers, and set each to "UNSELECTED_LAYER"
 
 if( aGerber2KicadMapping.size() == 0 )
 aGerber2KicadMapping.assign( m_gerberActiveLayersCount, UNSELECTED_LAYER );
 
 // Loop through all loaded Gerbers looking for any with X2 File Functions
 for( int ii = 0; ii < m_gerberActiveLayersCount; ii++ )
 {
 if( images->GetGbrImage( ii ) )
 {
 X2_ATTRIBUTE_FILEFUNCTION* x2 = images->GetGbrImage( ii )->m_FileFunction;
 
 mapThis = "";
 
 if( images->GetGbrImage( ii )->m_IsX2_file )
 {
 wxCHECK( x2, numKicadMatches );
 
 if( x2->IsCopper() )
 {
 // This is a copper layer, so figure out which one
 mapThis = x2->GetBrdLayerSide(); // Returns "Top", "Bot" or "Inr"
 
 // To map inner layers properly, we need the layer number
 if( mapThis.IsSameAs( wxT( "Inr" ), false ) )
 mapThis = x2->GetBrdLayerId(); // Returns "L2", "L5", etc
 }
 else
 {
 // Create strings like "TopSolderMask" or "BotPaste" for non-copper layers
 mapThis << x2->GetBrdLayerId() << x2->GetFileType();
 }
 
 // Check if the string we've isolated matches any known X2 layer names
 it = kicadLayers.find( mapThis );
 
 if( it != kicadLayers.end() )
 {
 // We got a match, so store the KiCad layer number. We verify it's set to
 // "UNSELECTED_LAYER" in case the passed vector already had entries
 // matched to other known Gerber files. This will preserve them.
 
 if( aGerber2KicadMapping[ii] == UNSELECTED_LAYER )
 {
 aGerber2KicadMapping[ii] = it->second;
 numKicadMatches++;
 }
 }
 }
 }
 }
 
 return numKicadMatches;
}