pcbnew/files.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004-2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2011 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2016-2021 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
 */

#include <confirm.h>
#include <core/arraydim.h>
#include <gestfich.h>
#include <pcb_edit_frame.h>
#include <board_design_settings.h>
#include <3d_viewer/eda_3d_viewer_frame.h>
#include <widgets/msgpanel.h>
#include <fp_lib_table.h>
#include <kiface_base.h>
#include <macros.h>
#include <trace_helpers.h>
#include <lockfile.cpp>
#include <netlist_reader/pcb_netlist.h>
#include <pcbnew_id.h>
#include <io_mgr.h>
#include <wildcards_and_files_ext.h>
#include <tool/tool_manager.h>
#include <board.h>
#include <wx/checkbox.h>
#include <wx/stdpaths.h>
#include <ratsnest/ratsnest_data.h>
#include <kiplatform/app.h>
#include <widgets/appearance_controls.h>
#include <widgets/infobar.h>
#include <widgets/wx_progress_reporters.h>
#include <settings/settings_manager.h>
#include <paths.h>
#include <project/project_file.h>
#include <project/project_local_settings.h>
#include <project/net_settings.h>
#include <plugins/cadstar/cadstar_pcb_archive_plugin.h>
#include <plugins/kicad/pcb_plugin.h>
#include <dialogs/dialog_imported_layers.h>
#include <tools/pcb_actions.h>
#include "footprint_info_impl.h"
#include <wx_filename.h> // For ::ResolvePossibleSymlinks()

#include <wx/wupdlock.h>
#include <wx/filedlg.h>



//#define USE_INSTRUMENTATION 1
#define USE_INSTRUMENTATION 0


bool AskLoadBoardFileName( PCB_EDIT_FRAME* aParent, int* aCtl, wxString* aFileName,
 bool aKicadFilesOnly )
{
 // This is a subset of all PLUGINs which are trusted to be able to
 // load a BOARD. User may occasionally use the wrong plugin to load a
 // *.brd file (since both legacy and eagle use *.brd extension),
 // but eventually *.kicad_pcb will be more common than legacy *.brd files.

 // clang-format off
 static const struct
 {
 const wxString& filter;
 IO_MGR::PCB_FILE_T pluginType;
 } loaders[] =
 {
 // Current Kicad board files.
 { PcbFileWildcard(), IO_MGR::KICAD_SEXP },

 // Old Kicad board files.
 { LegacyPcbFileWildcard(), IO_MGR::LEGACY },

 // Import Altium Circuit Maker board files.
 { AltiumCircuitMakerPcbFileWildcard(), IO_MGR::ALTIUM_CIRCUIT_MAKER },

 // Import Altium Circuit Studio board files.
 { AltiumCircuitStudioPcbFileWildcard(), IO_MGR::ALTIUM_CIRCUIT_STUDIO },

 // Import Altium Designer board files.
 { AltiumDesignerPcbFileWildcard(), IO_MGR::ALTIUM_DESIGNER },

 // Import Cadstar PCB Archive board files.
 { CadstarPcbArchiveFileWildcard(), IO_MGR::CADSTAR_PCB_ARCHIVE },

 // Import Eagle board files.
 { EaglePcbFileWildcard(), IO_MGR::EAGLE },

 // Import PCAD board files.
 { PCadPcbFileWildcard(), IO_MGR::PCAD },

 // Import Fabmaster board files.
 { FabmasterPcbFileWildcard(), IO_MGR::FABMASTER },
 };
 // clang-format on

 wxFileName fileName( *aFileName );
 wxString fileFilters;

 if( aKicadFilesOnly )
 {
 std::vector<std::string> fileExtensions;

 for( unsigned ii = 0; ii < 2; ++ii )
 {
 if( !fileFilters.IsEmpty() )
 fileFilters += wxChar( '|' );

 fileFilters += wxGetTranslation( loaders[ii].filter );

 PLUGIN::RELEASER plugin( IO_MGR::PluginFind( loaders[ii].pluginType ) );
 wxCHECK( plugin, false );
 fileExtensions.push_back( plugin->GetFileExtension().ToStdString() );
 }

 fileFilters = _( "All KiCad Board Files" ) + AddFileExtListToFilter( fileExtensions )
 + wxT( "|" ) + fileFilters;
 }
 else
 {
 wxString allWildcards;

 for( unsigned ii = 2; ii < arrayDim( loaders ); ++ii )
 {
 if( !fileFilters.IsEmpty() )
 fileFilters += wxChar( '|' );

 fileFilters += wxGetTranslation( loaders[ii].filter );

 PLUGIN::RELEASER plugin( IO_MGR::PluginFind( loaders[ii].pluginType ) );
 wxCHECK( plugin, false );
 allWildcards += wxT( "*." ) + formatWildcardExt( plugin->GetFileExtension() ) + wxT( ";" );
 }

 fileFilters = _( "All supported formats|" ) + allWildcards + wxT( "|" ) + fileFilters;
 }


 wxString path;
 wxString name;

 if( fileName.FileExists() )
 {
 path = fileName.GetPath();
 name = fileName.GetFullName();
 }
 else
 {
 path = aParent->GetMruPath();

 if( path.IsEmpty() )
 path = PATHS::GetDefaultUserProjectsPath();
 // leave name empty
 }

 wxFileDialog dlg( aParent,
 aKicadFilesOnly ? _( "Open Board File" ) : _( "Import Non KiCad Board File" ),
 path, name, fileFilters, wxFD_OPEN | wxFD_FILE_MUST_EXIST );

 if( dlg.ShowModal() == wxID_OK )
 {
 // For import option, if Eagle (*.brd files), tell OpenProjectFiles() to use Eagle plugin.
 // It's the only special case because of the duplicate use of the *.brd file extension.
 // Other cases are clear because of unique file extensions.
 *aCtl = aKicadFilesOnly ? 0 : KICTL_EAGLE_BRD;
 *aFileName = dlg.GetPath();
 aParent->SetMruPath( wxFileName( dlg.GetPath() ).GetPath() );
 return true;
 }
 else
 {
 return false;
 }
}


class CREATE_PROJECT_CHECKBOX : public wxPanel
{
public:
 CREATE_PROJECT_CHECKBOX( wxWindow* aParent )
 : wxPanel( aParent )
 {
 m_cbCreateProject = new wxCheckBox( this, wxID_ANY,
 _( "Create a new project for this board" ) );
 m_cbCreateProject->SetValue( true );
 m_cbCreateProject->SetToolTip( _( "Creating a project will enable features such as "
 "design rules, net classes, and layer presets" ) );

 wxBoxSizer* sizer = new wxBoxSizer( wxHORIZONTAL );
 sizer->Add( m_cbCreateProject, 0, wxALL, 8 );

 SetSizerAndFit( sizer );
 }

 bool GetValue() const
 {
 return m_cbCreateProject->GetValue();
 }

 static wxWindow* Create( wxWindow* aParent )
 {
 return new CREATE_PROJECT_CHECKBOX( aParent );
 }

protected:
 wxCheckBox* m_cbCreateProject;
};


bool AskSaveBoardFileName( PCB_EDIT_FRAME* aParent, wxString* aFileName, bool* aCreateProject )
{
 wxString wildcard = PcbFileWildcard();
 wxFileName fn = *aFileName;

 fn.SetExt( KiCadPcbFileExtension );

 wxFileDialog dlg( aParent, _( "Save Board File As" ), fn.GetPath(), fn.GetFullName(), wildcard,
 wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

 // Add a "Create a project" checkbox in standalone mode and one isn't loaded
 if( Kiface().IsSingle() && aParent->Prj().IsNullProject() )
 dlg.SetExtraControlCreator( &CREATE_PROJECT_CHECKBOX::Create );

 if( dlg.ShowModal() != wxID_OK )
 return false;

 fn = dlg.GetPath();

 // always enforce filename extension, user may not have entered it.
 fn.SetExt( KiCadPcbFileExtension );

 *aFileName = fn.GetFullPath();

 if( wxWindow* extraControl = dlg.GetExtraControl() )
 *aCreateProject = static_cast<CREATE_PROJECT_CHECKBOX*>( extraControl )->GetValue();
 else if( !aParent->Prj().IsNullProject() )
 *aCreateProject = true;

 return true;
}


void PCB_EDIT_FRAME::OnFileHistory( wxCommandEvent& event )
{
 wxString fn = GetFileFromHistory( event.GetId(), _( "Printed circuit board" ) );

 if( !!fn )
 {
 int open_ctl = 0;

 if( !wxFileName::IsFileReadable( fn ) )
 {
 if( !AskLoadBoardFileName( this, &open_ctl, &fn, true ) )
 return;
 }

 OpenProjectFiles( std::vector<wxString>( 1, fn ), open_ctl );
 }
}


void PCB_EDIT_FRAME::OnClearFileHistory( wxCommandEvent& aEvent )
{
 ClearFileHistory();
}


void PCB_EDIT_FRAME::Files_io( wxCommandEvent& event )
{
 int id = event.GetId();
 Files_io_from_id( id );
}


bool PCB_EDIT_FRAME::Files_io_from_id( int id )
{
 wxString msg;

 switch( id )
 {
 case ID_LOAD_FILE:
 {
 int open_ctl = 0;
 wxString fileName = Prj().AbsolutePath( GetBoard()->GetFileName() );

 return AskLoadBoardFileName( this, &open_ctl, &fileName, true )
 && OpenProjectFiles( std::vector<wxString>( 1, fileName ), open_ctl );
 }

 case ID_IMPORT_NON_KICAD_BOARD:
 {
 int open_ctl = 1;
 wxString fileName; // = Prj().AbsolutePath( GetBoard()->GetFileName() );

 return AskLoadBoardFileName( this, &open_ctl, &fileName, false )
 && OpenProjectFiles( std::vector<wxString>( 1, fileName ), open_ctl );
 }

 case ID_MENU_RECOVER_BOARD_AUTOSAVE:
 {
 wxFileName currfn = Prj().AbsolutePath( GetBoard()->GetFileName() );
 wxFileName fn = currfn;

 wxString rec_name = GetAutoSaveFilePrefix() + fn.GetName();
 fn.SetName( rec_name );

 if( !fn.FileExists() )
 {
 msg.Printf( _( "Recovery file '%s' not found." ), fn.GetFullPath() );
 DisplayInfoMessage( this, msg );
 return false;
 }

 msg.Printf( _( "OK to load recovery file '%s'?" ), fn.GetFullPath() );

 if( !IsOK( this, msg ) )
 return false;

 GetScreen()->SetContentModified( false ); // do not prompt the user for changes

 if( OpenProjectFiles( std::vector<wxString>( 1, fn.GetFullPath() ) ) )
 {
 // Re-set the name since name or extension was changed
 GetBoard()->SetFileName( currfn.GetFullPath() );
 UpdateTitle();
 return true;
 }

 return false;
 }

 case ID_NEW_BOARD:
 {
 if( IsContentModified() )
 {
 wxFileName fileName = GetBoard()->GetFileName();
 wxString saveMsg = _( "Current board will be closed, save changes to '%s' before "
 "continuing?" );

 if( !HandleUnsavedChanges( this, wxString::Format( saveMsg, fileName.GetFullName() ),
 [&]()->bool
 {
 return Files_io_from_id( ID_SAVE_BOARD );
 } ) )
 {
 return false;
 }
 }
 else if( !GetBoard()->IsEmpty() )
 {
 if( !IsOK( this, _( "Current Board will be closed. Continue?" ) ) )
 return false;
 }

 SaveProjectSettings();

 GetBoard()->ClearProject();

 SETTINGS_MANAGER* mgr = GetSettingsManager();

 mgr->SaveProject( mgr->Prj().GetProjectFullName() );
 mgr->UnloadProject( &mgr->Prj() );

 if( !Clear_Pcb( false ) )
 return false;

 LoadProjectSettings();

 onBoardLoaded();

 OnModify();
 return true;
 }

 case ID_SAVE_BOARD:
 if( !GetBoard()->GetFileName().IsEmpty() )
 return SavePcbFile( Prj().AbsolutePath( GetBoard()->GetFileName() ) );

 KI_FALLTHROUGH;

 case ID_COPY_BOARD_AS:
 case ID_SAVE_BOARD_AS:
 {
 bool addToHistory = ( id == ID_SAVE_BOARD_AS );
 wxString orig_name;

 wxFileName::SplitPath( GetBoard()->GetFileName(), nullptr, nullptr, &orig_name, nullptr );

 if( orig_name.IsEmpty() )
 orig_name = NAMELESS_PROJECT;

 wxFileName savePath( Prj().GetProjectFullName() );

 if( !savePath.IsOk() || !savePath.IsDirWritable() )
 {
 savePath = GetMruPath();

 if( !savePath.IsOk() || !savePath.IsDirWritable() )
 savePath = PATHS::GetDefaultUserProjectsPath();
 }

 wxFileName fn( savePath.GetPath(), orig_name, KiCadPcbFileExtension );
 wxString filename = fn.GetFullPath();
 bool createProject = false;

 if( AskSaveBoardFileName( this, &filename, &createProject ) )
 {
 if( id == ID_COPY_BOARD_AS )
 return SavePcbCopy( filename, createProject );
 else
 return SavePcbFile( filename, addToHistory, createProject );
 }

 return false;
 }

 default:
 return false;
 }
}


// The KIWAY_PLAYER::OpenProjectFiles() API knows nothing about plugins, so
// determine how to load the BOARD here, with minor assistance from KICTL_EAGLE_BRD
// bit flag.
IO_MGR::PCB_FILE_T plugin_type( const wxString& aFileName, int aCtl )
{
 IO_MGR::PCB_FILE_T pluginType;

 wxFileName fn = aFileName;

 // Note: file extensions are expected to be in lower case.
 // This is not always true, especially when importing files, so the string
 // comparisons are case insensitive to try to find the suitable plugin.

 if( fn.GetExt().CmpNoCase( IO_MGR::GetFileExtension( IO_MGR::LEGACY ) ) == 0 )
 {
 // both legacy and eagle share a common file extension.
 pluginType = ( aCtl & KICTL_EAGLE_BRD ) ? IO_MGR::EAGLE : IO_MGR::LEGACY;
 }
 else if( fn.GetExt().CmpNoCase( IO_MGR::GetFileExtension( IO_MGR::PCAD ) ) == 0 )
 {
 pluginType = IO_MGR::PCAD;
 }
 else if( fn.GetExt().CmpNoCase( IO_MGR::GetFileExtension( IO_MGR::ALTIUM_DESIGNER ) ) == 0 )
 {
 pluginType = IO_MGR::ALTIUM_DESIGNER;
 }
 else if( fn.GetExt().CmpNoCase( IO_MGR::GetFileExtension( IO_MGR::ALTIUM_CIRCUIT_STUDIO ) ) == 0 )
 {
 pluginType = IO_MGR::ALTIUM_CIRCUIT_STUDIO;
 }
 else if( fn.GetExt().CmpNoCase( IO_MGR::GetFileExtension( IO_MGR::ALTIUM_CIRCUIT_MAKER ) ) == 0 )
 {
 pluginType = IO_MGR::ALTIUM_CIRCUIT_MAKER;
 }
 else if( fn.GetExt().CmpNoCase( IO_MGR::GetFileExtension( IO_MGR::CADSTAR_PCB_ARCHIVE ) ) == 0 )
 {
 pluginType = IO_MGR::CADSTAR_PCB_ARCHIVE;
 }
 else if( fn.GetExt().CmpNoCase( IO_MGR::GetFileExtension( IO_MGR::FABMASTER ) ) == 0 )
 {
 pluginType = IO_MGR::FABMASTER;
 }
 else
 {
 pluginType = IO_MGR::KICAD_SEXP;
 }

 return pluginType;
}


int PCB_EDIT_FRAME::inferLegacyEdgeClearance( BOARD* aBoard )
{
 PCB_LAYER_COLLECTOR collector;

 collector.SetLayerId( Edge_Cuts );
 collector.Collect( aBoard, GENERAL_COLLECTOR::AllBoardItems );

 int edgeWidth = -1;
 bool mixed = false;

 for( int i = 0; i < collector.GetCount(); i++ )
 {
 if( collector[i]->Type() == PCB_SHAPE_T )
 {
 int itemWidth = static_cast<PCB_SHAPE*>( collector[i] )->GetWidth();

 if( edgeWidth != -1 && edgeWidth != itemWidth )
 {
 mixed = true;
 edgeWidth = std::max( edgeWidth, itemWidth );
 }
 else
 {
 edgeWidth = itemWidth;
 }
 }
 }

 if( mixed )
 {
 // If they had different widths then we can't ensure that fills will be the same.
 wxMessageBox( _( "If the zones on this board are refilled the Copper Edge Clearance "
 "setting will be used (see Board Setup > Design Rules > Constraints).\n"
 "This may result in different fills from previous KiCad versions which "
 "used the line thicknesses of the board boundary on the Edge Cuts "
 "layer." ),
 _( "Edge Clearance Warning" ), wxOK | wxICON_WARNING, this );
 }

 return std::max( 0, edgeWidth / 2 );
}


bool PCB_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, int aCtl )
{
 // This is for python:
 if( aFileSet.size() != 1 )
 {
 UTF8 msg = StrPrintf( "Pcbnew:%s() takes a single filename", __func__ );
 DisplayError( this, msg );
 return false;
 }

 wxString fullFileName( aFileSet[0] );
 wxFileName wx_filename( fullFileName );
 wxString msg;

 if( Kiface().IsSingle() )
 KIPLATFORM::APP::RegisterApplicationRestart( fullFileName );

 // We insist on caller sending us an absolute path, if it does not, we say it's a bug.
 wxASSERT_MSG( wx_filename.IsAbsolute(), wxT( "Path is not absolute!" ) );

 std::unique_ptr<wxSingleInstanceChecker> lockFile = ::LockFile( fullFileName );

 if( !lockFile || lockFile->IsAnotherRunning() )
 {
 msg.Printf( _( "PCB '%s' is already open." ), wx_filename.GetFullName() );

 if( !OverrideLock( this, msg ) )
 return false;
 }

 if( IsContentModified() )
 {
 if( !HandleUnsavedChanges( this, _( "The current PCB has been modified. Save changes?" ),
 [&]() -> bool
 {
 return SavePcbFile( GetBoard()->GetFileName() );
 } ) )
 {
 return false;
 }
 }

 // Release the lock file, until the new file is actually loaded
 ReleaseFile();

 wxFileName pro = fullFileName;
 pro.SetExt( ProjectFileExtension );

 bool is_new = !wxFileName::IsFileReadable( fullFileName );

 // If its a non-existent schematic and caller thinks it exists
 if( is_new && !( aCtl & KICTL_CREATE ) )
 {
 // notify user that fullFileName does not exist, ask if user wants to create it.
 msg.Printf( _( "PCB '%s' does not exist. Do you wish to create it?" ), fullFileName );

 if( !IsOK( this, msg ) )
 return false;
 }

 // Get rid of any existing warnings about the old board
 GetInfoBar()->Dismiss();

 WX_PROGRESS_REPORTER progressReporter( this, is_new ? _( "Creating PCB" )
 : _( "Loading PCB" ), 1 );

 // No save prompt (we already prompted above), and only reset to a new blank board if new
 Clear_Pcb( false, !is_new );

 IO_MGR::PCB_FILE_T pluginType = plugin_type( fullFileName, aCtl );

 bool converted = pluginType != IO_MGR::LEGACY && pluginType != IO_MGR::KICAD_SEXP;

 // Loading a project should only be done under carefully considered circumstances.

 // The calling code should know not to ask me here to change projects unless
 // it knows what consequences that will have on other KIFACEs running and using
 // this same PROJECT. It can be very harmful if that calling code is stupid.
 SETTINGS_MANAGER* mgr = GetSettingsManager();

 if( pro.GetFullPath() != mgr->Prj().GetProjectFullName() )
 {
 // calls SaveProject
 SaveProjectSettings();

 GetBoard()->ClearProject();
 mgr->UnloadProject( &mgr->Prj() );

 mgr->LoadProject( pro.GetFullPath() );

 // Do not allow saving a project if one doesn't exist. This normally happens if we are
 // standalone and opening a board that has been moved from its project folder.
 // For converted projects, we don't want to set the read-only flag because we want a project
 // to be saved for the new file in case things like netclasses got migrated.
 Prj().SetReadOnly( !pro.Exists() && !converted );
 }

 // Clear the cache footprint list which may be project specific
 GFootprintList.Clear();

 if( is_new )
 {
 // Link the existing blank board to the new project
 GetBoard()->SetProject( &Prj() );

 GetBoard()->SetFileName( fullFileName );

 OnModify();
 }
 else
 {
 BOARD* loadedBoard = nullptr; // it will be set to non-NULL if loaded OK
 PLUGIN::RELEASER pi( IO_MGR::PluginFind( pluginType ) );

 LAYER_REMAPPABLE_PLUGIN* layerRemappablePlugin =
 dynamic_cast< LAYER_REMAPPABLE_PLUGIN* >( (PLUGIN*) pi );

 if( layerRemappablePlugin )
 {
 layerRemappablePlugin->RegisterLayerMappingCallback(
 std::bind( DIALOG_IMPORTED_LAYERS::GetMapModal, this, std::placeholders::_1 ) );
 }

 // This will rename the file if there is an autosave and the user want to recover
 CheckForAutoSaveFile( fullFileName );

 bool failedLoad = false;

 try
 {
 PROPERTIES props;
 char xbuf[30];
 char ybuf[30];

 // EAGLE_PLUGIN can use this info to center the BOARD, but it does not yet.
 sprintf( xbuf, "%d", GetPageSizeIU().x );
 sprintf( ybuf, "%d", GetPageSizeIU().y );

 props["page_width"] = xbuf;
 props["page_height"] = ybuf;

#if USE_INSTRUMENTATION
 // measure the time to load a BOARD.
 unsigned startTime = GetRunningMicroSecs();
#endif

 loadedBoard = pi->Load( fullFileName, nullptr, &props, &Prj(), &progressReporter );

#if USE_INSTRUMENTATION
 unsigned stopTime = GetRunningMicroSecs();
 printf( "PLUGIN::Load(): %u usecs\n", stopTime - startTime );
#endif
 }
 catch( const FUTURE_FORMAT_ERROR& ffe )
 {
 msg.Printf( _( "Error loading PCB '%s'." ), fullFileName );
 progressReporter.Hide();
 DisplayErrorMessage( this, msg, ffe.Problem() );

 failedLoad = true;
 }
 catch( const IO_ERROR& ioe )
 {
 if( ioe.Problem() != wxT( "CANCEL" ) )
 {
 msg.Printf( _( "Error loading PCB '%s'." ), fullFileName );
 progressReporter.Hide();
 DisplayErrorMessage( this, msg, ioe.What() );
 }

 failedLoad = true;
 }
 catch( const std::bad_alloc& )
 {
 msg.Printf( _( "Memory exhausted loading PCB '%s'" ), fullFileName );
 progressReporter.Hide();
 DisplayErrorMessage( this, msg, wxEmptyString );

 failedLoad = true;
 }

 if( failedLoad )
 {
 // We didn't create a new blank board above, so do that now
 Clear_Pcb( false );

 return false;
 }

 // This fixes a focus issue after the progress reporter is done on GTK. It shouldn't
 // cause any issues on macOS and Windows. If it does, it will have to be conditionally
 // compiled.
 Raise();

 // Skip (possibly expensive) connectivity build here; we build it below after load
 SetBoard( loadedBoard, false, &progressReporter );

 if( GFootprintList.GetCount() == 0 )
 GFootprintList.ReadCacheFromFile( Prj().GetProjectPath() + wxT( "fp-info-cache" ) );

 if( loadedBoard->m_LegacyDesignSettingsLoaded )
 {
 Prj().SetReadOnly( false );

 Prj().GetProjectFile().NetSettings().RebuildNetClassAssignments();

 // Before we had a copper edge clearance setting, the edge line widths could be used
 // as a kludge to control them. So if there's no setting then infer it from the
 // edge widths.
 if( !loadedBoard->m_LegacyCopperEdgeClearanceLoaded )
 {
 int edgeClearance = inferLegacyEdgeClearance( loadedBoard );
 loadedBoard->GetDesignSettings().SetCopperEdgeClearance( edgeClearance );
 }

 // On save; design settings will be removed from the board
 loadedBoard->SetModified();
 }

 // Move legacy view settings to local project settings
 if( !loadedBoard->m_LegacyVisibleLayers.test( Rescue ) )
 {
 Prj().GetLocalSettings().m_VisibleLayers = loadedBoard->m_LegacyVisibleLayers;
 loadedBoard->SetModified();
 }

 if( !loadedBoard->m_LegacyVisibleItems.test( GAL_LAYER_INDEX( GAL_LAYER_ID_BITMASK_END ) ) )
 {
 Prj().GetLocalSettings().m_VisibleItems = loadedBoard->m_LegacyVisibleItems;
 loadedBoard->SetModified();
 }

 // we should not ask PLUGINs to do these items:
 loadedBoard->BuildListOfNets();
 ResolveDRCExclusions();
 m_toolManager->RunAction( PCB_ACTIONS::repairBoard, true, true);

 if( loadedBoard->IsModified() )
 OnModify();
 else
 GetScreen()->SetContentModified( false );

 if( ( pluginType == IO_MGR::LEGACY )
 || ( pluginType == IO_MGR::KICAD_SEXP
 && loadedBoard->GetFileFormatVersionAtLoad() < SEXPR_BOARD_FILE_VERSION
 && loadedBoard->GetGenerator().Lower() != wxT( "gerbview" ) ) )
 {
 m_infoBar->RemoveAllButtons();
 m_infoBar->AddCloseButton();
 m_infoBar->ShowMessage( _( "This file was created by an older version of KiCad. "
 "It will be converted to the new format when saved." ),
 wxICON_WARNING, WX_INFOBAR::MESSAGE_TYPE::OUTDATED_SAVE );
 }

 // Import footprints into a project-specific library
 //==================================================
 // TODO: This should be refactored out of here into somewhere specific to the Project Import
 // E.g. KICAD_MANAGER_FRAME::ImportNonKiCadProject
 if( aCtl & KICTL_IMPORT_LIB )
 {
 wxFileName loadedBoardFn( fullFileName );
 wxString libNickName = loadedBoardFn.GetName();

 // Extract a footprint library from the design and add it to the fp-lib-table
 // The footprints are saved in a new .pretty library.
 // If this library already exists, all previous footprints will be deleted
 std::vector<FOOTPRINT*> loadedFootprints = pi->GetImportedCachedLibraryFootprints();
 wxString newLibPath = CreateNewProjectLibrary( libNickName );

 // Only create the new library if CreateNewLibrary succeeded (note that this fails if
 // the library already exists and the user aborts after seeing the warning message
 // which prompts the user to continue with overwrite or abort)
 if( newLibPath.Length() > 0 )
 {
 PLUGIN::RELEASER piSexpr( IO_MGR::PluginFind( IO_MGR::KICAD_SEXP ) );

 for( FOOTPRINT* footprint : loadedFootprints )
 {
 try
 {
 if( !footprint->GetFPID().GetLibItemName().empty() ) // Handle old boards.
 {
 footprint->SetReference( "REF**" );
 piSexpr->FootprintSave( newLibPath, footprint );
 delete footprint;
 }
 }
 catch( const IO_ERROR& ioe )
 {
 wxLogError( _( "Error saving footprint %s to project specific library." )
 + wxS( "\n%s" ),
 footprint->GetFPID().GetUniStringLibItemName(),
 ioe.What() );
 }
 }

 FP_LIB_TABLE* prjlibtable = Prj().PcbFootprintLibs();
 const wxString& project_env = PROJECT_VAR_NAME;
 wxString rel_path, env_path;

 wxASSERT_MSG( wxGetEnv( project_env, &env_path ),
 wxT( "There is no project variable?" ) );

 wxString result( newLibPath );
 rel_path = result.Replace( env_path,
 wxT( "$(" ) + project_env + wxT( ")" ) )
 ? result
 : wxString( wxEmptyString );

 FP_LIB_TABLE_ROW* row = new FP_LIB_TABLE_ROW( libNickName, rel_path,
 wxT( "KiCad" ), wxEmptyString );
 prjlibtable->InsertRow( row );

 wxString tblName = Prj().FootprintLibTblName();

 try
 {
 Prj().PcbFootprintLibs()->Save( tblName );
 }
 catch( const IO_ERROR& ioe )
 {
 wxLogError( _( "Error saving project specific footprint library table." )
 + wxS( "\n%s" ),
 ioe.What() );
 }

 // Update footprint LIB_IDs to point to the just imported library
 for( FOOTPRINT* footprint : GetBoard()->Footprints() )
 {
 LIB_ID libId = footprint->GetFPID();

 if( libId.GetLibItemName().empty() )
 continue;

 libId.SetLibNickname( libNickName );
 footprint->SetFPID( libId );
 }
 }
 }
 }

 {
 wxFileName fn = fullFileName;

 if( converted )
 fn.SetExt( PcbFileExtension );

 wxString fname = fn.GetFullPath();

 fname.Replace( WIN_STRING_DIR_SEP, UNIX_STRING_DIR_SEP );

 GetBoard()->SetFileName( fname );
 }

 // Lock the file newly opened:
 m_file_checker.reset( lockFile.release() );

 if( !converted )
 UpdateFileHistory( GetBoard()->GetFileName() );

 // Rebuild list of nets (full ratsnest rebuild)
 progressReporter.Report( _( "Updating nets" ) );
 GetBoard()->BuildConnectivity( &progressReporter );

 // Load project settings after setting up board; some of them depend on the nets list
 LoadProjectSettings();

 // Syncs the UI (appearance panel, etc) with the loaded board and project
 onBoardLoaded();

 // Refresh the 3D view, if any
 EDA_3D_VIEWER_FRAME* draw3DFrame = Get3DViewerFrame();

 if( draw3DFrame )
 draw3DFrame->NewDisplay();

#if 0 && defined(DEBUG)
 // Output the board object tree to stdout, but please run from command prompt:
 GetBoard()->Show( 0, std::cout );
#endif

 // from EDA_APPL which was first loaded BOARD only:
 {
 /* For an obscure reason the focus is lost after loading a board file
 * when starting up the process.
 * (seems due to the recreation of the layer manager after loading the file)
 * Give focus to main window and Drawpanel
 * must be done for these 2 windows (for an obscure reason ...)
 * Linux specific
 * This is more a workaround than a fix.
 */
 SetFocus();
 GetCanvas()->SetFocus();
 }

 return true;
}


bool PCB_EDIT_FRAME::SavePcbFile( const wxString& aFileName, bool addToHistory,
 bool aChangeProject )
{
 // please, keep it simple. prompting goes elsewhere.
 wxFileName pcbFileName = aFileName;

 if( pcbFileName.GetExt() == LegacyPcbFileExtension )
 pcbFileName.SetExt( KiCadPcbFileExtension );

 // Write through symlinks, don't replace them
 WX_FILENAME::ResolvePossibleSymlinks( pcbFileName );

 if( !IsWritable( pcbFileName ) )
 {
 wxString msg = wxString::Format( _( "Insufficient permissions to write file '%s'." ),
 pcbFileName.GetFullPath() );

 DisplayError( this, msg );
 return false;
 }

  // TODO: these will break if we ever go multi-board
 wxFileName projectFile( pcbFileName );
 wxFileName rulesFile( pcbFileName );
 wxString msg;

 projectFile.SetExt( ProjectFileExtension );
 rulesFile.SetExt( DesignRulesFileExtension );

 if( !projectFile.FileExists() && aChangeProject )
 {
 Prj().SetReadOnly( false );
 GetSettingsManager()->SaveProjectAs( projectFile.GetFullPath() );
 }

 wxFileName currentRules( GetDesignRulesPath() );

 if( currentRules.FileExists() && !rulesFile.FileExists() && aChangeProject )
 KiCopyFile( currentRules.GetFullPath(), rulesFile.GetFullPath(), msg );

 if( !msg.IsEmpty() )
 {
 DisplayError( this, wxString::Format( _( "Error saving custom rules file '%s'." ),
 rulesFile.GetFullPath() ) );
 }

 if( projectFile.FileExists() )
 {
 // Save various DRC parameters, such as violation severities (which may have been
 // edited via the DRC dialog as well as the Board Setup dialog), DRC exclusions, etc.
 SaveProjectSettings();

 GetBoard()->SynchronizeProperties();
 GetBoard()->SynchronizeNetsAndNetClasses();
 }

 wxStandardPaths& paths = wxStandardPaths::Get();
 wxString tempFile = wxFileName::CreateTempFileName(
 paths.GetTempDir() + wxFileName::GetPathSeparator() + wxT( "pcbnew" ) );
 wxString upperTxt;
 wxString lowerTxt;

 try
 {
 PLUGIN::RELEASER pi( IO_MGR::PluginFind( IO_MGR::KICAD_SEXP ) );

 pi->Save( tempFile, GetBoard(), nullptr );
 }
 catch( const IO_ERROR& ioe )
 {
 DisplayError( this, wxString::Format( _( "Error saving board file '%s'.\n%s" ),
 pcbFileName.GetFullPath(),
 ioe.What() ) );

 lowerTxt.Printf( _( "Failed to create temporary file '%s'." ), tempFile );

 SetMsgPanel( upperTxt, lowerTxt );

 // In case we started a file but didn't fully write it, clean up
 wxRemoveFile( tempFile );

 return false;
 }

 // If save succeeded, replace the original with what we just wrote
 if( !wxRenameFile( tempFile, pcbFileName.GetFullPath() ) )
 {
 DisplayError( this, wxString::Format( _( "Error saving board file '%s'.\n"
 "Failed to rename temporary file '%s." ),
 pcbFileName.GetFullPath(),
 tempFile ) );

 lowerTxt.Printf( _( "Failed to rename temporary file '%s'." ),
 tempFile );

 SetMsgPanel( upperTxt, lowerTxt );

 return false;
 }

 if( !Kiface().IsSingle() )
 {
 WX_STRING_REPORTER backupReporter( &upperTxt );

 if( GetSettingsManager()->TriggerBackupIfNeeded( backupReporter ) )
 upperTxt.clear();
 }

 GetBoard()->SetFileName( pcbFileName.GetFullPath() );

 // Update the lock in case it was a Save As
 LockFile( pcbFileName.GetFullPath() );

 // Put the saved file in File History if requested
 if( addToHistory )
 UpdateFileHistory( GetBoard()->GetFileName() );

 // Delete auto save file on successful save.
 wxFileName autoSaveFileName = pcbFileName;

 autoSaveFileName.SetName( GetAutoSaveFilePrefix() + pcbFileName.GetName() );

 if( autoSaveFileName.FileExists() )
 wxRemoveFile( autoSaveFileName.GetFullPath() );

 lowerTxt.Printf( _( "File '%s' saved." ), pcbFileName.GetFullPath() );

 SetStatusText( lowerTxt, 0 );

 // Get rid of the old version conversion warning, or any other dismissable warning :)
 if( m_infoBar->GetMessageType() == WX_INFOBAR::MESSAGE_TYPE::OUTDATED_SAVE )
 m_infoBar->Dismiss();

 if( m_infoBar->IsShown() && m_infoBar->HasCloseButton() )
 m_infoBar->Dismiss();

 GetScreen()->SetContentModified( false );
 UpdateTitle();
 return true;
}


bool PCB_EDIT_FRAME::SavePcbCopy( const wxString& aFileName, bool aCreateProject )
{
 wxFileName pcbFileName = aFileName;

 // Ensure the file ext is the right ext:
 pcbFileName.SetExt( KiCadPcbFileExtension );

 if( !IsWritable( pcbFileName ) )
 {
 DisplayError( this, wxString::Format( _( "Insufficient permissions to write file '%s'." ),
 pcbFileName.GetFullPath() ) );
 return false;
 }

 // Save various DRC parameters, such as violation severities (which may have been
 // edited via the DRC dialog as well as the Board Setup dialog), DRC exclusions, etc.
 SaveProjectSettings();

 GetBoard()->SynchronizeNetsAndNetClasses();

 try
 {
 PLUGIN::RELEASER pi( IO_MGR::PluginFind( IO_MGR::KICAD_SEXP ) );

 wxASSERT( pcbFileName.IsAbsolute() );

 pi->Save( pcbFileName.GetFullPath(), GetBoard(), nullptr );
 }
 catch( const IO_ERROR& ioe )
 {
 DisplayError( this, wxString::Format( _( "Error saving board file '%s'.\n%s" ),
 pcbFileName.GetFullPath(),
 ioe.What() ) );

 return false;
 }

 wxFileName projectFile( pcbFileName );
 wxFileName rulesFile( pcbFileName );
 wxString msg;

 projectFile.SetExt( ProjectFileExtension );
 rulesFile.SetExt( DesignRulesFileExtension );

 if( aCreateProject && !projectFile.FileExists() )
 GetSettingsManager()->SaveProjectCopy( projectFile.GetFullPath() );

 wxFileName currentRules( GetDesignRulesPath() );

 if( aCreateProject && currentRules.FileExists() && !rulesFile.FileExists() )
 KiCopyFile( currentRules.GetFullPath(), rulesFile.GetFullPath(), msg );

 if( !msg.IsEmpty() )
 {
 DisplayError( this, wxString::Format( _( "Error saving custom rules file '%s'." ),
 rulesFile.GetFullPath() ) );
 }

 DisplayInfoMessage( this, wxString::Format( _( "Board copied to:\n%s" ),
 pcbFileName.GetFullPath() ) );

 return true;
}


bool PCB_EDIT_FRAME::doAutoSave()
{
 wxFileName tmpFileName;

 // Don't run autosave if content has not been modified
 if( !IsContentModified() )
 return true;

 wxString title = GetTitle(); // Save frame title, that can be modified by the save process

 if( GetBoard()->GetFileName().IsEmpty() )
 {
 tmpFileName = wxFileName( PATHS::GetDefaultUserProjectsPath(), NAMELESS_PROJECT,
 KiCadPcbFileExtension );
 GetBoard()->SetFileName( tmpFileName.GetFullPath() );
 }
 else
 {
 tmpFileName = Prj().AbsolutePath( GetBoard()->GetFileName() );
 }

 wxFileName autoSaveFileName = tmpFileName;

 // Auto save file name is the board file name prepended with autosaveFilePrefix string.
 autoSaveFileName.SetName( GetAutoSaveFilePrefix() + autoSaveFileName.GetName() );

 if( !autoSaveFileName.IsOk() )
 return false;

 // If the board file path is not writable, try writing to a platform specific temp file
 // path. If that path isn't writable, give up.
 if( !autoSaveFileName.IsDirWritable() )
 {
 autoSaveFileName.SetPath( wxFileName::GetTempDir() );

 if( !autoSaveFileName.IsOk() || !autoSaveFileName.IsDirWritable() )
 return false;
 }

 wxLogTrace( traceAutoSave,
 wxT( "Creating auto save file <" ) + autoSaveFileName.GetFullPath() + wxT( ">" ) );

 if( SavePcbFile( autoSaveFileName.GetFullPath(), false, false ) )
 {
 GetScreen()->SetContentModified();
 GetBoard()->SetFileName( tmpFileName.GetFullPath() );
 UpdateTitle();
 m_autoSaveState = false;

 if( !Kiface().IsSingle() &&
 GetSettingsManager()->GetCommonSettings()->m_Backup.backup_on_autosave )
 {
 GetSettingsManager()->TriggerBackupIfNeeded( NULL_REPORTER::GetInstance() );
 }

 SetTitle( title ); // Restore initial frame title

 return true;
 }

 GetBoard()->SetFileName( tmpFileName.GetFullPath() );

 SetTitle( title ); // Restore initial frame title

 return false;
}


bool PCB_EDIT_FRAME::importFile( const wxString& aFileName, int aFileType )
{
 switch( (IO_MGR::PCB_FILE_T) aFileType )
 {
 case IO_MGR::CADSTAR_PCB_ARCHIVE:
 case IO_MGR::EAGLE:
 return OpenProjectFiles( std::vector<wxString>( 1, aFileName ),
 KICTL_EAGLE_BRD | KICTL_IMPORT_LIB );

 default:
 return false;
 }

 return false;
}