pcbnew.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * 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/>.
 */
 
#include <pgm_base.h>
#include <eda_pattern_match.h>
#include <background_jobs_monitor.h>
#include <cli_progress_reporter.h>
#include <confirm.h>
#include <api/api_handler_footprint.h>
#include <api/api_handler_fp_libraries.h>
#include <api/api_handler_pcb.h>
#include <api/api_server.h>
#include <api/api_utils.h>
#include <api/cross_probe_client.h>
#include <api/headless_footprint_context.h>
#include <api/headless_pcb_context.h>
#include <kiface_base.h>
#include <kiface_ids.h>
#include <kiway_holder.h>
#include <pcb_edit_frame.h>
#include <macros.h>
#include <gestfich.h>
#include <paths.h>
#include <pcbnew_settings.h>
#include <footprint.h>
#include <footprint_editor_settings.h>
#include <settings/settings_manager.h>
#include <settings/cvpcb_settings.h>
#include <footprint_library_adapter.h>
#include <footprint_edit_frame.h>
#include <footprint_viewer_frame.h>
#include <footprint_chooser_frame.h>
#include <footprint_wizard_frame.h>
#include <footprint_preview_panel.h>
#include <footprint_info_impl.h>
#include <footprint.h>
#include <board.h>
#include <board_loader.h>
#include <lib_id.h>
#include <nlohmann/json.hpp>
#include <dialogs/dialog_configure_paths.h>
#include <dialogs/panel_grid_settings.h>
#include <panel_display_options.h>
#include <panel_edit_options.h>
#include <dialogs/panel_snapping.h>
#include <panel_fp_editor_field_defaults.h>
#include <panel_fp_editor_graphics_defaults.h>
#include <panel_fp_user_layer_names.h>
#include <panel_fp_editor_color_settings.h>
#include <panel_pcbnew_color_settings.h>
#include <panel_pcbnew_action_plugins.h>
#include <panel_pcbnew_display_origin.h>
#include <panel_3D_display_options.h>
#include <panel_3D_opengl_options.h>
#include <panel_3D_raytracing_options.h>
#include <project_pcb.h>
#include <string_utils.h>
#include <thread_pool.h>
#include <trace_helpers.h>
#include <widgets/kistatusbar.h>
 
#include <wx/tokenzr.h>
 
#include <footprint_library_query.h>
#include <invoke_pcb_dialog.h>
#include <wildcards_and_files_ext.h>
#include "pcbnew_jobs_handler.h"
#include <diff_merge/diff_doc_kind.h>
#include <reporter.h>
#include "git/kigit_pcb_merge.h"
#include "git/kigit_fp_merge.h"
#include <git/kigit_driver_registry.h>
 
#include <dialogs/panel_toolbar_customization.h>
#include <3d_viewer/toolbars_3d.h>
#if defined( KICAD_NATIVE_MODEL_PREVIEW ) && defined( __WXGTK3__ )
#include <dialogs/native_model_file_picker_gtk.h>
#endif
#include <toolbars_footprint_editor.h>
#include <toolbars_pcb_editor.h>
 
#include <wx/crt.h>
 

static PROJECT* footprintLibraryProject()
{
    PROJECT* project = nullptr;
 
    if( wxTheApp )
    {
        wxWindow* focus = wxWindow::FindFocus();
        wxWindow* top = focus ? wxGetTopLevelParent( focus ) : wxTheApp->GetTopWindow();
 
        if( top )
        {
            if( KIWAY_HOLDER* holder = dynamic_cast<KIWAY_HOLDER*>( top ) )
                project = &holder->Prj();
        }
    }
 
    if( !project )
        project = &Pgm().GetSettingsManager().Prj();
 
    return project;
}
 

static wxString filterFootprints( const wxString& aFilterJson )
{
    using json = nlohmann::json;
 
    FOOTPRINT_MATCH_RESULT result;
    result.m_Success = false;
 
    try
    {
        json input = json::parse( aFilterJson.utf8_string() );
 
        unsigned pinCount = input.value( "pin_count", 0 );
        bool zeroFilters = input.value( "zero_filters", true );
        int  maxResults = input.value( "max_results", 400 );
 
        std::vector<std::unique_ptr<EDA_PATTERN_MATCH>> filterMatchers;
 
        if( input.contains( "filters" ) && input["filters"].is_array() )
        {
            for( const auto& f : input["filters"] )
            {
                if( f.is_string() )
                {
                    wxString pattern = wxString::FromUTF8( f.get<std::string>() );
                    auto     matcher = std::make_unique<EDA_PATTERN_MATCH_WILDCARD_ANCHORED>();
                    matcher->SetPattern( pattern.Lower() );
                    filterMatchers.push_back( std::move( matcher ) );
                }
            }
        }
 
        bool hasFilters = ( pinCount > 0 || !filterMatchers.empty() );
 
        // A query that can only match nothing is a successful empty result, not a failure.
        if( zeroFilters && !hasFilters )
        {
            result.m_Success = true;
            return result.ToJsonStr();
        }
 
        FOOTPRINT_LIBRARY_ADAPTER* adapter = PROJECT_PCB::FootprintLibAdapter( footprintLibraryProject() );
 
        if( !adapter )
            return result.ToJsonStr();
 
        adapter->AsyncLoad();
        adapter->BlockUntilLoaded();
 
        for( const wxString& nickname : adapter->GetLibraryNames() )
        {
            std::vector<FOOTPRINT*> footprints = adapter->GetFootprints( nickname, true );
 
            for( FOOTPRINT* fp : footprints )
            {
                if( !fp )
                    continue;
 
                // Pin count filter
                if( pinCount > 0 )
                {
                    unsigned fpPadCount = fp->GetNumberedPadCount();
 
                    if( fpPadCount != pinCount )
                        continue;
                }
 
                // Footprint filter patterns with case-insensitive matching
                if( !filterMatchers.empty() )
                {
                    bool matches = false;
 
                    for( const auto& matcher : filterMatchers )
                    {
                        wxString name;
 
                        // If filter contains ':', include library nickname in match string
                        if( matcher->GetPattern().Contains( wxS( ":" ) ) )
                            name = fp->GetFPID().GetLibNickname().wx_str().Lower() + wxS( ":" );
 
                        name += fp->GetFPID().GetLibItemName().wx_str().Lower();
 
                        if( matcher->Find( name ) )
                        {
                            matches = true;
                            break;
                        }
                    }
 
                    if( !matches )
                        continue;
                }
 
                // The list is full already, so this match means the result set is
                // truncated; the list itself keeps its maxResults entries.
                if( maxResults > 0 && static_cast<int>( result.m_MatchingNames.size() ) >= maxResults )
                {
                    result.m_IsLimited = true;
                    break;
                }
 
                wxString libId = fp->GetFPID().Format();
                result.m_MatchingNames.emplace_back( libId );
            }
 
            if( result.m_IsLimited )
                break;
        }
 
        result.m_Success = true;
 
        return result.ToJsonStr();
    }
    catch( const std::exception& )
    {
        // A failure carries no matches, even if the scan had already collected some.
        result.m_MatchingNames.clear();
        result.m_Success = false;
        return result.ToJsonStr();
    }
}
 

static bool startFootprintLibraryLoad()
{
    FOOTPRINT_LIBRARY_ADAPTER* adapter = PROJECT_PCB::FootprintLibAdapter( footprintLibraryProject() );
 
    if( adapter )
    {
        adapter->AsyncLoad();
        return true;
    }
 
    return false;
}
 

 * Return how far a background load has got.
 *
 * Never blocks: callers can poll this while showing a loading indication, and only run
 * #filterFootprints() (which does wait for the load) after it returns 1.0.
 */
static float footprintLibraryLoadProgress()
{
    FOOTPRINT_LIBRARY_ADAPTER* adapter = PROJECT_PCB::FootprintLibAdapter( footprintLibraryProject() );
 
    if( !adapter )
        return 1.0f;
 
    // Nothing to report means there is nothing to wait for.
    if( std::optional<float> progress = adapter->AsyncLoadProgress() )
        return *progress;
 
    return 1.0f;
}
 
 
namespace PCB {
 
// Non-job kiface exports for diff/merge (returned by IfaceOrAddress). Defined
// after the kiface instance so they can route into its jobs handler.
static int pcbnewMergeExport( int aKind, const wxString& aAncestor, const wxString& aOurs,
                              const wxString& aTheirs, const wxString& aOutput, bool aInteractive,
                              bool aSingleFile, REPORTER* aReporter );
static int pcbnewOpenDiffDialogExport( int aKind, const wxString& aFileA, const wxString& aFileB,
                                       const wxString& aLabelA, const wxString& aLabelB,
                                       wxWindow* aParent, REPORTER* aReporter );
static KICAD_DIFF::DIFF_CANVAS_CONTEXT*
pcbnewAttachDiffCanvasesExport( int aKind, const wxString& aFileA, const wxString& aFileB, WIDGET_DIFF_CANVAS* aBefore,
                                WIDGET_DIFF_CANVAS* aAfter, KICAD_DIFF::DOCUMENT_DIFF* aDiff, REPORTER* aReporter );
 
 
static struct IFACE : public KIFACE_BASE, public UNITS_PROVIDER
{
    // Of course all are virtual overloads, implementations of the KIFACE.
 
    IFACE( const char* aName, KIWAY::FACE_T aType ) :
            KIFACE_BASE( aName, aType ),
            UNITS_PROVIDER( pcbIUScale, EDA_UNITS::MM )
    {}
 
    bool OnKifaceStart( PGM_BASE* aProgram, int aCtlBits, KIWAY* aKiway ) override;
 
    void Reset() override;
 
    void OnKifaceEnd() override;
 
    wxWindow* CreateKiWindow( wxWindow* aParent, int aClassId, KIWAY* aKiway, int aCtlBits = 0 ) override
    {
        switch( aClassId )
        {
        case FRAME_PCB_EDITOR:
        {
            auto frame = new PCB_EDIT_FRAME( aKiway, aParent );
 
            if( Kiface().IsSingle() )
            {
                // only run this under single_top, not under a project manager.
                if( !CROSS_PROBE_CLIENT::IsOnStandardSocketPath() )
                    CROSS_PROBE_CLIENT::AnnounceToPrimary( FRAME_PCB_EDITOR );
            }
 
            return frame;
        }
 
        case FRAME_FOOTPRINT_EDITOR:
            return new FOOTPRINT_EDIT_FRAME( aKiway, aParent );
 
        case FRAME_FOOTPRINT_VIEWER:
            return new FOOTPRINT_VIEWER_FRAME( aKiway, aParent );
 
        case FRAME_FOOTPRINT_CHOOSER:
            return new FOOTPRINT_CHOOSER_FRAME( aKiway, aParent );
 
        case FRAME_FOOTPRINT_WIZARD:
            return new FOOTPRINT_WIZARD_FRAME( aKiway, aParent, FRAME_T( aClassId ) );
 
        case FRAME_FOOTPRINT_PREVIEW:
            return FOOTPRINT_PREVIEW_PANEL::New( aKiway, aParent, this );
 
        case DIALOG_CONFIGUREPATHS:
        {
            DIALOG_CONFIGURE_PATHS dlg( aParent );
 
            // The dialog's constructor probably failed to set its Kiway because the
            // dynamic_cast fails when aParent was allocated by a separate compilation
            // module.  So set it directly.
            dlg.SetKiway( &dlg, aKiway );
 
            // Use QuasiModal so that HTML help window will work
            if( dlg.ShowQuasiModal() == wxID_OK )
                aKiway->CommonSettingsChanged( ENVVARS_CHANGED );
 
            // Dialog has completed; nothing to return.
            return nullptr;
        }
 
        case DIALOG_PCB_LIBRARY_TABLE:
            InvokePcbLibTableEditor( aKiway, aParent );
            // Dialog has completed; nothing to return.
            return nullptr;
 
        case PANEL_FP_DISPLAY_OPTIONS:
            return new PANEL_DISPLAY_OPTIONS( aParent, GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>( "fpedit" ) );
 
        case PANEL_FP_GRIDS:
        {
            FOOTPRINT_EDITOR_SETTINGS* cfg = GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>( "fpedit" );
            EDA_BASE_FRAME*            frame = aKiway->Player( FRAME_FOOTPRINT_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_VIEWER, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_PCB_EDITOR, false );
 
            if( frame )
                SetUserUnits( frame->GetUserUnits() );
 
            return new PANEL_GRID_SETTINGS( aParent, this, frame, cfg, FRAME_FOOTPRINT_EDITOR );
        }
 
        case PANEL_FP_SNAPPING:
            return CreateSnappingPanel( aParent, GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>( "fpedit" ),
                                        FRAME_FOOTPRINT_EDITOR, &FOOTPRINT_EDITOR_SETTINGS::m_SnapInference,
                                        &FOOTPRINT_EDITOR_SETTINGS::m_MagneticItems );
 
        case PANEL_FP_ORIGINS_AXES:
            return new PANEL_PCBNEW_DISPLAY_ORIGIN( aParent, GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>( "fpedit" ),
                                                    FRAME_FOOTPRINT_EDITOR );
 
        case PANEL_FP_EDIT_OPTIONS:
        {
            EDA_BASE_FRAME* frame = aKiway->Player( FRAME_FOOTPRINT_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_VIEWER, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_PCB_EDITOR, false );
 
            if( frame )
                SetUserUnits( frame->GetUserUnits() );
 
            return new PANEL_EDIT_OPTIONS( aParent, this, frame, true );
        }
 
        case PANEL_FP_DEFAULT_FIELDS:
        {
            EDA_BASE_FRAME* frame = aKiway->Player( FRAME_FOOTPRINT_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_VIEWER, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_PCB_EDITOR, false );
 
            if( frame )
                SetUserUnits( frame->GetUserUnits() );
 
            return new PANEL_FP_EDITOR_FIELD_DEFAULTS( aParent );
        }
 
        case PANEL_FP_DEFAULT_GRAPHICS_VALUES:
        {
            EDA_BASE_FRAME* frame = aKiway->Player( FRAME_FOOTPRINT_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_VIEWER, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_PCB_EDITOR, false );
 
            if( frame )
                SetUserUnits( frame->GetUserUnits() );
 
            return new PANEL_FP_EDITOR_GRAPHICS_DEFAULTS( aParent, this );
        }
 
        case PANEL_FP_USER_LAYER_NAMES:
            return new class PANEL_FP_USER_LAYER_NAMES( aParent );
 
        case PANEL_FP_TOOLBARS:
        {
            APP_SETTINGS_BASE* cfg = GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>( "fpedit" );
            TOOLBAR_SETTINGS*  tb  = GetToolbarSettings<FOOTPRINT_EDIT_TOOLBAR_SETTINGS>( "fpedit-toolbars" );
 
            std::vector<TOOL_ACTION*>            actions;
            std::vector<ACTION_TOOLBAR_CONTROL*> controls;
 
            for( TOOL_ACTION* action : ACTION_MANAGER::GetActionList() )
                actions.push_back( action );
 
            for( ACTION_TOOLBAR_CONTROL* control : ACTION_TOOLBAR::GetCustomControlList( FRAME_FOOTPRINT_EDITOR ) )
                controls.push_back( control );
 
            return new PANEL_TOOLBAR_CUSTOMIZATION( aParent, cfg, tb, FRAME_FOOTPRINT_EDITOR, actions, controls );
        }
 
        case PANEL_FP_COLORS:
            return new PANEL_FP_EDITOR_COLOR_SETTINGS( aParent );
 
        case PANEL_PCB_DISPLAY_OPTS:
            return new PANEL_DISPLAY_OPTIONS( aParent, GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" ) );
 
        case PANEL_PCB_GRIDS:
        {
            PCBNEW_SETTINGS*  cfg = GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" );
            EDA_BASE_FRAME*   frame = aKiway->Player( FRAME_PCB_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_VIEWER, false );
 
            if( frame )
                SetUserUnits( frame->GetUserUnits() );
 
            return new PANEL_GRID_SETTINGS( aParent, this, frame, cfg, FRAME_PCB_EDITOR );
        }
 
        case PANEL_PCB_SNAPPING:
            return CreateSnappingPanel( aParent, GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" ), FRAME_PCB_EDITOR,
                                        &PCBNEW_SETTINGS::m_SnapInference, &PCBNEW_SETTINGS::m_MagneticItems );
 
        case PANEL_PCB_ORIGINS_AXES:
            return new PANEL_PCBNEW_DISPLAY_ORIGIN( aParent, GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" ),
                                                    FRAME_PCB_EDITOR );
 
        case PANEL_PCB_EDIT_OPTIONS:
        {
            EDA_BASE_FRAME* frame = aKiway->Player( FRAME_PCB_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_EDITOR, false );
 
            if( !frame )
                frame = aKiway->Player( FRAME_FOOTPRINT_VIEWER, false );
 
            if( frame )
                SetUserUnits( frame->GetUserUnits() );
 
            return new PANEL_EDIT_OPTIONS( aParent, this, frame, false );
        }
 
        case PANEL_PCB_COLORS:
        {
            BOARD*          board = nullptr;
            EDA_BASE_FRAME* boardProvider = aKiway->Player( FRAME_PCB_EDITOR, false );
 
            if( boardProvider )
                board = static_cast<PCB_EDIT_FRAME*>( boardProvider )->GetBoard();
 
            return new PANEL_PCBNEW_COLOR_SETTINGS( aParent, board );
        }
 
        case PANEL_PCB_TOOLBARS:
        {
            APP_SETTINGS_BASE* cfg = GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" );
            TOOLBAR_SETTINGS*  tb  = GetToolbarSettings<PCB_EDIT_TOOLBAR_SETTINGS>( "pcbnew-toolbars" );
 
            std::vector<TOOL_ACTION*>            actions;
            std::vector<ACTION_TOOLBAR_CONTROL*> controls;
 
            for( TOOL_ACTION* action : ACTION_MANAGER::GetActionList() )
                actions.push_back( action );
 
            for( ACTION_TOOLBAR_CONTROL* control : ACTION_TOOLBAR::GetCustomControlList( FRAME_PCB_EDITOR ) )
                controls.push_back( control );
 
            return new PANEL_TOOLBAR_CUSTOMIZATION( aParent, cfg, tb, FRAME_PCB_EDITOR, actions, controls );
        }
 
        case PANEL_PCB_ACTION_PLUGINS:
            return new PANEL_PCBNEW_ACTION_PLUGINS( aParent );
 
        case PANEL_3DV_DISPLAY_OPTIONS:
            return new PANEL_3D_DISPLAY_OPTIONS( aParent );
 
        case PANEL_3DV_OPENGL:
            return new PANEL_3D_OPENGL_OPTIONS( aParent );
 
        case PANEL_3DV_RAYTRACING:
            return new PANEL_3D_RAYTRACING_OPTIONS( aParent );
 
        case PANEL_3DV_TOOLBARS:
        {
            APP_SETTINGS_BASE* cfg = GetAppSettings<EDA_3D_VIEWER_SETTINGS>( "3d_viewer" );
            TOOLBAR_SETTINGS*  tb  = GetToolbarSettings<EDA_3D_VIEWER_TOOLBAR_SETTINGS>( "3d_viewer-toolbars" );
 
            std::vector<TOOL_ACTION*>            actions;
            std::vector<ACTION_TOOLBAR_CONTROL*> controls;
 
            for( TOOL_ACTION* action : ACTION_MANAGER::GetActionList() )
                actions.push_back( action );
 
            for( ACTION_TOOLBAR_CONTROL* control : ACTION_TOOLBAR::GetCustomControlList( FRAME_PCB_DISPLAY3D ) )
                controls.push_back( control );
 
            return new PANEL_TOOLBAR_CUSTOMIZATION( aParent, cfg, tb, FRAME_PCB_DISPLAY3D, actions, controls );
        }
 
        default:
            return nullptr;
        }
    }

    void* IfaceOrAddress( int aDataId ) override
    {
        switch( aDataId )
        {
        case KIFACE_FOOTPRINT_LIBRARY_ADAPTER:
        {
            // This is the mechanism by which FOOTPRINT_SELECT_WIDGET can get access to the adapter
            // without directly linking to pcbnew or pcbcommon, going through PROJECT::FootprintLibAdapter
            PROJECT* project = nullptr;
 
            if( wxTheApp )
            {
                wxWindow* focus = wxWindow::FindFocus();
                wxWindow* top = focus ? wxGetTopLevelParent( focus ) : wxTheApp->GetTopWindow();
 
                if( top )
                {
                    if( KIWAY_HOLDER* holder = dynamic_cast<KIWAY_HOLDER*>( top ) )
                        project = &holder->Prj();
                }
            }
 
            if( !project )
                project = &Pgm().GetSettingsManager().Prj();
 
            return PROJECT_PCB::FootprintLibAdapter( project );
        }
 
        case KIFACE_FILTER_FOOTPRINTS:
        {
            // Return function pointer for filtering footprints
            // Signature: wxString (*)(const wxString& aFilterJson)
            return reinterpret_cast<void*>( &filterFootprints );
        }
 
        case KIFACE_TRIGGER_FOOTPRINTS_LOAD:
        {
            // Start the background load of the libraries filtered by filterFootprints
            // Signature: void (*)()
            return reinterpret_cast<void*>( &startFootprintLibraryLoad );
        }
 
        case KIFACE_FOOTPRINTS_LOAD_PROGRESS:
        {
            // Report how far the load started by startFootprintMatchLoad() has got
            // Signature: float (*)()
            return reinterpret_cast<void*>( &footprintLibraryLoadProgress );
        }
 
        case KIFACE_MERGE_DOCUMENT:
            return reinterpret_cast<void*>( &pcbnewMergeExport );
 
        case KIFACE_OPEN_DIFF_DIALOG:
            return reinterpret_cast<void*>( &pcbnewOpenDiffDialogExport );
 
        case KIFACE_ATTACH_DIFF_CANVASES: return reinterpret_cast<void*>( &pcbnewAttachDiffCanvasesExport );
 
        default:
            return nullptr;
        }
    }

    PCBNEW_JOBS_HANDLER* JobHandler() const { return m_jobHandler.get(); }

    void SaveFileAs( const wxString& aProjectBasePath, const wxString& aSrcProjectName,
                     const wxString& aNewProjectBasePath, const wxString& aNewProjectName,
                     const wxString& aSrcFilePath, wxString& aErrors ) override;
 
    int HandleJob( JOB* aJob, REPORTER* aReporter, PROGRESS_REPORTER* aProgressReporter ) override;
 
    bool HandleJobConfig( JOB* aJob, wxWindow* aParent ) override;
 
    bool HandleApiOpenDocument( const DOCUMENT_SPEC& aSpec,
                                KICAD_API_SERVER* aServer,
                                wxString* aError ) override;
 
    bool HandleApiCloseDocument( const DOCUMENT_SPEC& aSpec,
                                 KICAD_API_SERVER* aServer,
                                 wxString* aError ) override;
 
    bool handleOpenPcb( const wxString& aPath, KICAD_API_SERVER* aServer, wxString* aError );
 
    bool handleCreatePcb( const wxString& aPath, KICAD_API_SERVER* aServer, wxString* aError );
 
    bool handleOpenFootprint( const wxString& aProjectPath, const wxString& aLibIdStr, KICAD_API_SERVER* aServer,
                              wxString* aError );
 
    void PreloadLibraries( KIWAY* aKiway ) override;
    void ProjectChanged() override;
    void CancelPreload( bool aBlock = true ) override;
    void RegisterLibraryHandlers( KICAD_API_SERVER* aServer ) override;
    bool LoadAllLibraries() override;
 
 
private:
    std::unique_ptr<PCBNEW_JOBS_HANDLER> m_jobHandler;
    std::shared_ptr<BACKGROUND_JOB>      m_libraryPreloadBackgroundJob;
    std::future<void>                    m_libraryPreloadReturn;
    std::atomic_bool                     m_libraryPreloadInProgress;
    std::atomic_bool                     m_libraryPreloadAbort;
 
    void closeBoard( KICAD_API_SERVER* aServer );
    void closeFootprint( KICAD_API_SERVER* aServer );
 
    KIWAY* m_kiway = nullptr;
    std::shared_ptr<HEADLESS_PCB_CONTEXT>       m_openContext;
    std::unique_ptr<API_HANDLER_PCB>            m_openHandler;
    std::shared_ptr<HEADLESS_FOOTPRINT_CONTEXT> m_openFpContext;
    std::unique_ptr<API_HANDLER_FOOTPRINT>      m_openFpHandler;
    std::unique_ptr<API_HANDLER_FP_LIBRARIES>   m_apiHandlerFpLibs;
 
} kiface( "pcbnew", KIWAY::FACE_PCB );
 
 
int pcbnewMergeExport( int aKind, const wxString& aAncestor, const wxString& aOurs,
                       const wxString& aTheirs, const wxString& aOutput, bool aInteractive,
                       bool aSingleFile, REPORTER* aReporter )
{
    return kiface.JobHandler()->RunMerge( static_cast<KICAD_DIFF::DOC_KIND>( aKind ), aAncestor,
                                          aOurs, aTheirs, aOutput, aInteractive, aSingleFile,
                                          aReporter );
}
 
 
int pcbnewOpenDiffDialogExport( int aKind, const wxString& aFileA, const wxString& aFileB,
                                const wxString& aLabelA, const wxString& aLabelB,
                                wxWindow* aParent, REPORTER* aReporter )
{
    return kiface.JobHandler()->OpenDiffDialog( static_cast<KICAD_DIFF::DOC_KIND>( aKind ), aFileA,
                                                aFileB, aLabelA, aLabelB, aParent, aReporter );
}
 
 
KICAD_DIFF::DIFF_CANVAS_CONTEXT* pcbnewAttachDiffCanvasesExport( int aKind, const wxString& aFileA,
                                                                 const wxString& aFileB, WIDGET_DIFF_CANVAS* aBefore,
                                                                 WIDGET_DIFF_CANVAS*        aAfter,
                                                                 KICAD_DIFF::DOCUMENT_DIFF* aDiff, REPORTER* aReporter )
{
    return kiface.JobHandler()->AttachDiffCanvases( static_cast<KICAD_DIFF::DOC_KIND>( aKind ), aFileA, aFileB, aBefore,
                                                    aAfter, *aDiff, aReporter );
}
 
} // namespace
 
 
using namespace PCB;
 
 
KIFACE_BASE& Kiface() { return kiface; }
 
 
// KIFACE_GETTER's actual spelling is a substitution macro found in kiway.h.
// KIFACE_GETTER will not have name mangling due to declaration in kiway.h.
KIFACE_API KIFACE* KIFACE_GETTER( int* aKIFACEversion, int aKiwayVersion, PGM_BASE* aProgram )
{
    return &kiface;
}
 
 
bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits, KIWAY* aKiway )
{
    // This is process-level-initialization, not project-level-initialization of the DSO.
    // Do nothing in here pertinent to a project!
    InitSettings( new PCBNEW_SETTINGS );
 
    SETTINGS_MANAGER& mgr = aProgram->GetSettingsManager();
 
    mgr.RegisterSettings( new FOOTPRINT_EDITOR_SETTINGS );
    mgr.RegisterSettings( new EDA_3D_VIEWER_SETTINGS );
 
    // We intentionally register KifaceSettings after FOOTPRINT_EDITOR_SETTINGS and EDA_3D_VIEWER_SETTINGS
    // In legacy configs, many settings were in a single editor config and the migration routine
    // for the main editor file will try and call into the now separate settings stores
    // to move the settings into them
    mgr.RegisterSettings( KifaceSettings() );
 
    // Register the footprint editor settings as well because they share a KiFACE and need to be
    // loaded prior to use to avoid threading deadlocks
    mgr.RegisterSettings( new CVPCB_SETTINGS );
 
    start_common( aCtlBits );
 
    m_kiway = aKiway;
 
    m_jobHandler = std::make_unique<PCBNEW_JOBS_HANDLER>( aKiway );
 
    if( m_start_flags & KFCTL_CLI )
    {
        m_jobHandler->SetReporter( &CLI_REPORTER::GetInstance() );
        m_jobHandler->SetProgressReporter( &CLI_PROGRESS_REPORTER::GetInstance() );
    }
 
    // Register the PCB and footprint merge drivers with libgit2 so
    // .gitattributes entries `merge=kicad-pcb` and `merge=kicad-fp` route
    // through our 3-way merge pipeline. git_merge_driver_register is not
    // thread-safe; this runs once at kiface init before any background work
    // spawns. The registry is idempotent so re-loads of the kiface are safe.
    KIGIT::RegisterMergeDriver( "kicad-pcb", &KIGIT_PCB_MERGE::Apply );
    KIGIT::RegisterMergeDriver( "kicad-fp",  &KIGIT_FP_MERGE::Apply );
 
    if( Pgm().ApiServerOrNull() )
    {
        m_apiHandlerFpLibs = std::make_unique<API_HANDLER_FP_LIBRARIES>();
        Pgm().GetApiServer().RegisterHandler( m_apiHandlerFpLibs.get() );
    }
 
    return true;
}
 
 
void IFACE::Reset()
{
    closeBoard( nullptr );
    closeFootprint( nullptr );
}
 
 
void IFACE::OnKifaceEnd()
{
    CancelPreload( true );
 
#if defined( KICAD_NATIVE_MODEL_PREVIEW ) && defined( __WXGTK3__ )
    ShutdownNativeModelFilePickerGtk();
#endif
 
    if( m_apiHandlerFpLibs )
    {
        if( Pgm().ApiServerOrNull() )
            Pgm().GetApiServer().DeregisterHandler( m_apiHandlerFpLibs.get() );
 
        m_apiHandlerFpLibs.reset();
    }
 
    // Release the CLI-cached board while the static DRC_ITEM tables it serializes against are
    // still alive; deferring to static teardown crashes reading dangling severity keys
    if( m_jobHandler )
        m_jobHandler->ClearCachedBoard();
 
    end_common();
}
 
 
void IFACE::SaveFileAs( const wxString& aProjectBasePath, const wxString& aSrcProjectName,
                        const wxString& aNewProjectBasePath, const wxString& aNewProjectName,
                        const wxString& aSrcFilePath, wxString& aErrors )
{
    wxFileName destFile( aSrcFilePath );
    wxString   destPath = destFile.GetPathWithSep();
    wxUniChar  pathSep = wxFileName::GetPathSeparator();
    wxString   ext = destFile.GetExt();
 
    if( destPath.StartsWith( aProjectBasePath + pathSep ) )
        destPath.Replace( aProjectBasePath, aNewProjectBasePath, false );
 
    wxString srcProjectFootprintLib = pathSep + aSrcProjectName + wxT( ".pretty" ) + pathSep;
    wxString newProjectFootprintLib = pathSep + aNewProjectName + wxT( ".pretty" ) + pathSep;
 
    destPath.Replace( srcProjectFootprintLib, newProjectFootprintLib, true );
 
    destFile.SetPath( destPath );
 
    if( ext == FILEEXT::KiCadPcbFileExtension
        || ext == FILEEXT::KiCadPcbFileExtension + FILEEXT::BackupFileSuffix )
    {
        if( destFile.GetName() == aSrcProjectName )
            destFile.SetName( aNewProjectName  );
 
        CopySexprFile( aSrcFilePath, destFile.GetFullPath(),
                [&]( const std::string& token, wxString& value )
                {
                    if( token == "sheetfile" )
                    {
                        for( const wxString extension : { wxT( ".sch" ), wxT( ".kicad_sch" ) } )
                        {
                            if( value == aSrcProjectName + extension )
                            {
                                value = aNewProjectName + extension;
                                return true;
                            }
                            else if( value == aProjectBasePath + "/" + aSrcProjectName + extension )
                            {
                                value = aNewProjectBasePath + "/" + aNewProjectName + extension;
                                return true;
                            }
                            else if( value.StartsWith( aProjectBasePath ) )
                            {
                                value.Replace( aProjectBasePath, aNewProjectBasePath, false );
                                return true;
                            }
                        }
                    }
 
                    return false;
                },
                aErrors );
    }
    else if( ext == FILEEXT::LegacyPcbFileExtension )
    {
        if( destFile.GetName() == aSrcProjectName )
            destFile.SetName( aNewProjectName );
 
        KiCopyFile( aSrcFilePath, destFile.GetFullPath(), aErrors );
    }
    else if( ext == FILEEXT::LegacyFootprintLibPathExtension
             || ext == FILEEXT::KiCadFootprintFileExtension )
    {
        // Footprints are not project-specific.  Keep their source names.
        KiCopyFile( aSrcFilePath, destFile.GetFullPath(), aErrors );
    }
    else if( ext == FILEEXT::FootprintAssignmentFileExtension )
    {
        // TODO
    }
    else if( ext == wxT( "rpt" ) )
    {
        // DRC must be the "gold standard".  Since we can't guarantee that there aren't
        // any non-deterministic cases in the save-as algorithm, we don't want to certify
        // the result with the source's DRC report.  Therefore copy it under the old
        // name.
        KiCopyFile( aSrcFilePath, destFile.GetFullPath(), aErrors );
    }
    else if( destFile.GetName() == FILEEXT::FootprintLibraryTableFileName )
    {
        wxFileName    libTableFn( aSrcFilePath );
        LIBRARY_TABLE libTable( libTableFn, LIBRARY_TABLE_SCOPE::PROJECT );
        libTable.SetPath( destFile.GetFullPath() );
        libTable.SetType( LIBRARY_TABLE_TYPE::FOOTPRINT );
 
        for( LIBRARY_TABLE_ROW& row : libTable.Rows() )
        {
            wxString uri = row.URI();
 
            uri.Replace( wxT( "/" ) + aSrcProjectName + wxT( ".pretty" ),
                         wxT( "/" ) + aNewProjectName + wxT( ".pretty" ) );
 
            row.SetURI( uri );
        }
 
        libTable.Save().map_error(
                [&]( const LIBRARY_ERROR& aError )
                {
                        wxString msg;
 
                        if( !aErrors.empty() )
                            aErrors += wxT( "\n" );
 
                        msg.Printf( _( "Cannot copy file '%s'." ), destFile.GetFullPath() );
                        aErrors += msg;
                } );
    }
    else
    {
        wxFAIL_MSG( wxT( "Unexpected filetype for Pcbnew::SaveFileAs()" ) );
    }
}
 
 
int IFACE::HandleJob( JOB* aJob, REPORTER* aReporter, PROGRESS_REPORTER* aProgressReporter )
{
    return m_jobHandler->RunJob( aJob, aReporter, aProgressReporter );
}
 
 
bool IFACE::HandleJobConfig( JOB* aJob, wxWindow* aParent )
{
    return m_jobHandler->HandleJobConfig( aJob, aParent );
}
 
 
void IFACE::closeBoard( KICAD_API_SERVER* aServer )
{
    if( m_openHandler )
    {
        if( aServer )
            aServer->DeregisterHandler( m_openHandler.get() );
 
        m_openHandler.reset();
    }
 
    m_openContext.reset();
 
    // The jobs handler caches the last-loaded board. Clear it so the next job
    // uses the board from the newly opened document rather than a stale copy.
    if( m_jobHandler )
        m_jobHandler->ClearCachedBoard();
}
 
 
void IFACE::closeFootprint( KICAD_API_SERVER* aServer )
{
    if( m_openFpHandler )
    {
        if( aServer )
            aServer->DeregisterHandler( m_openFpHandler.get() );
 
        m_openFpHandler.reset();
    }
 
    m_openFpContext.reset();
}
 
 
bool IFACE::HandleApiOpenDocument( const DOCUMENT_SPEC& aSpec, KICAD_API_SERVER* aServer, wxString* aError )
{
    wxCHECK( aServer, false );
 
    if( aSpec.kind == DOCUMENT_SPEC::KIND::LIBID_KIND )
        return handleOpenFootprint( aSpec.path, aSpec.libId.GetUniStringLibId(), aServer, aError );
 
    if( aSpec.kind == DOCUMENT_SPEC::KIND::CREATE_KIND )
        return handleCreatePcb( aSpec.path, aServer, aError );
 
    if( aSpec.path.IsEmpty() )
    {
        if( aError )
            *aError = wxS( "No path specified to open" );
 
        return false;
    }
 
    return handleOpenPcb( aSpec.path, aServer, aError );
}
 
 
bool IFACE::handleOpenFootprint( const wxString& aProjectPath, const wxString& aLibIdStr, KICAD_API_SERVER* aServer,
                                 wxString* aError )
{
    LIB_ID fpid;
 
    if( fpid.Parse( aLibIdStr ) >= 0 )
    {
        if( aError )
            *aError = wxString::Format( wxS( "Invalid footprint LIB_ID: %s" ), aLibIdStr );
 
        return false;
    }
 
    wxFileName projectPath( aProjectPath );
    projectPath.MakeAbsolute();
 
    SETTINGS_MANAGER& settingsManager = Pgm().GetSettingsManager();
 
    if( !settingsManager.LoadProject( projectPath.GetFullPath(), true ) )
    {
        wxLogTrace( traceApi, "Warning: no project file found for %s", aProjectPath );
    }
 
    PROJECT* project = settingsManager.GetProject( projectPath.GetFullPath() );
 
    if( !project )
    {
        if( aError )
            *aError = wxString::Format( wxS( "Error loading project for %s" ), aProjectPath );
 
        return false;
    }
 
    std::shared_ptr<HEADLESS_FOOTPRINT_CONTEXT> newContext;
 
    try
    {
        FOOTPRINT_LIBRARY_ADAPTER* adapter = PROJECT_PCB::FootprintLibAdapter( project );
        adapter->AsyncLoad();
        adapter->BlockUntilLoaded();
        std::unique_ptr<FOOTPRINT> footprint( adapter->LoadFootprintWithOptionalNickname( fpid, true ) );
 
        if( !footprint )
        {
            if( aError )
                *aError = wxString::Format( wxS( "Footprint not found: %s" ), aLibIdStr );
 
            return false;
        }
 
        newContext = std::make_shared<HEADLESS_FOOTPRINT_CONTEXT>(
                std::move( footprint ), fpid, project, GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>( "fpedit" ), m_kiway );
    }
    catch( ... )
    {
        if( aError )
            *aError = wxString::Format( wxS( "Failed to load footprint: %s" ), aLibIdStr );
 
        return false;
    }
 
    closeFootprint( aServer );
 
    if( !m_apiHandlerFpLibs )
    {
        m_apiHandlerFpLibs = std::make_unique<API_HANDLER_FP_LIBRARIES>();
        aServer->RegisterHandler( m_apiHandlerFpLibs.get() );
    }
 
    m_openFpContext = std::move( newContext );
 
    m_openFpHandler = std::make_unique<API_HANDLER_FOOTPRINT>( m_openFpContext, nullptr );
    aServer->RegisterHandler( m_openFpHandler.get() );
 
    return true;
}
 
 
bool IFACE::handleOpenPcb( const wxString& aPath, KICAD_API_SERVER* aServer, wxString* aError )
{
    wxFileName projectPath( aPath );
 
    if( projectPath.GetExt() == FILEEXT::KiCadPcbFileExtension )
        projectPath.SetExt( FILEEXT::ProjectFileExtension );
    else if( projectPath.GetExt() != FILEEXT::ProjectFileExtension )
        projectPath.SetExt( FILEEXT::ProjectFileExtension );
 
    projectPath.MakeAbsolute();
 
    // We currently only support one document per type (and each needs to come from
    // the same project).  This will need evolution once we support MDI and multi-project.
    closeBoard( aServer );
 
    SETTINGS_MANAGER& settingsManager = Pgm().GetSettingsManager();
 
    // Reuse an already-loaded project if one exists for this path.
    PROJECT* project = settingsManager.GetProject( projectPath.GetFullPath() );
 
    if( !project )
    {
        if( !settingsManager.LoadProject( projectPath.GetFullPath(), true ) )
            wxLogTrace( traceApi, "Warning: no project file found for %s", aPath );
 
        project = settingsManager.GetProject( projectPath.GetFullPath() );
    }
 
    if( !project )
    {
        if( aError )
            *aError = wxString::Format( wxS( "Error loading project for %s" ), aPath );
 
        return false;
    }
 
    wxFileName boardPath( projectPath );
    boardPath.SetExt( FILEEXT::KiCadPcbFileExtension );
 
    if( !boardPath.FileExists() )
    {
        if( aError )
            *aError = wxString::Format( wxS( "File not found: %s" ), aPath );
 
        return false;
    }
 
    PCB_IO_MGR::PCB_FILE_T pluginType =
            PCB_IO_MGR::FindPluginTypeFromBoardPath( boardPath.GetFullPath(), KICTL_KICAD_ONLY );
 
    if( pluginType == PCB_IO_MGR::FILE_TYPE_NONE )
    {
        if( aError )
            *aError = wxString::Format( wxS( "%s is not a recognized file type" ), aPath );
 
        return false;
    }
 
    std::shared_ptr<HEADLESS_PCB_CONTEXT> newContext;
 
    try
    {
        std::unique_ptr<BOARD> loadedBoard = BOARD_LOADER::Load( boardPath.GetFullPath(), pluginType, project );
 
        if( !loadedBoard )
        {
            if( aError )
                *aError = wxS( "Failed to load board" );
 
            return false;
        }
 
        newContext = std::make_shared<HEADLESS_PCB_CONTEXT>( std::move( loadedBoard ), project,
                                                             GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" ), m_kiway );
    }
    catch( const IO_ERROR& ioe )
    {
        if( aError )
            *aError = wxString::Format( wxS( "Failed to load board: %s" ), ioe.What() );
 
        return false;
    }
    catch( ... )
    {
        if( aError )
            *aError = wxS( "Failed to load board" );
 
        return false;
    }
 
    if( !m_apiHandlerFpLibs )
    {
        m_apiHandlerFpLibs = std::make_unique<API_HANDLER_FP_LIBRARIES>();
        aServer->RegisterHandler( m_apiHandlerFpLibs.get() );
    }
 
    m_openContext = std::move( newContext );
 
    m_openHandler = std::make_unique<API_HANDLER_PCB>( m_openContext, nullptr );
    aServer->RegisterHandler( m_openHandler.get() );
 
    return true;
}
 
 
bool IFACE::handleCreatePcb( const wxString& aPath, KICAD_API_SERVER* aServer, wxString* aError )
{
    wxFileName boardPath( aPath );
    boardPath.MakeAbsolute();
 
    wxFileName projectPath( boardPath );
    projectPath.SetExt( FILEEXT::ProjectFileExtension );
 
    if( m_openContext && m_openContext->IsContentModified() )
    {
        if( aError )
            *aError = wxS( "The current board has unsaved changes; save or revert it first" );
 
        return false;
    }
 
    closeBoard( aServer );
 
    SETTINGS_MANAGER& settingsManager = Pgm().GetSettingsManager();
 
    PROJECT* project = settingsManager.GetProject( projectPath.GetFullPath() );
 
    if( !project )
    {
        settingsManager.LoadProject( projectPath.GetFullPath(), true );;
        project = settingsManager.GetProject( projectPath.GetFullPath() );
    }
 
    if( !project )
    {
        if( aError )
            *aError = wxString::Format( wxS( "Error creating project for %s" ), aPath );
 
        return false;
    }
 
    std::shared_ptr<HEADLESS_PCB_CONTEXT> newContext;
 
    try
    {
        std::unique_ptr<BOARD> newBoard = BOARD_LOADER::CreateEmptyBoard( project );
 
        if( !newBoard )
        {
            if( aError )
                *aError = wxS( "Failed to create board" );
 
            return false;
        }
 
        newBoard->SetFileName( boardPath.GetFullPath() );
 
        newContext = std::make_shared<HEADLESS_PCB_CONTEXT>( std::move( newBoard ), project,
                                                             GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" ), m_kiway );
    }
    catch( ... )
    {
        if( aError )
            *aError = wxS( "Failed to create board" );
 
        return false;
    }
 
    m_openContext = std::move( newContext );
 
    if( !m_apiHandlerFpLibs )
    {
        m_apiHandlerFpLibs = std::make_unique<API_HANDLER_FP_LIBRARIES>();
        aServer->RegisterHandler( m_apiHandlerFpLibs.get() );
    }
 
    m_openHandler = std::make_unique<API_HANDLER_PCB>( m_openContext, nullptr );
    aServer->RegisterHandler( m_openHandler.get() );
 
    return true;
}
 
 
bool IFACE::HandleApiCloseDocument( const DOCUMENT_SPEC& aSpec, KICAD_API_SERVER* aServer, wxString* aError )
{
    wxCHECK( aServer, false );
 
    if( aSpec.kind == DOCUMENT_SPEC::KIND::LIBID_KIND )
    {
        if( !m_openFpContext )
        {
            if( aError )
                *aError = wxS( "No footprint is currently open" );
 
            return false;
        }
 
        if( aSpec.libId.IsValid() && m_openFpContext->GetLoadedFPID() != aSpec.libId )
        {
            if( aError )
                *aError = wxS( "Requested document does not match the open document" );
 
            return false;
        }
 
        closeFootprint( aServer );
        return true;
    }
 
    if( !m_openContext )
    {
        if( aError )
            *aError = wxS( "No board is currently open" );
 
        return false;
    }
 
    if( !aSpec.path.IsEmpty() )
    {
        wxFileName currentBoard( m_openContext->GetCurrentFileName() );
 
        if( currentBoard.GetFullName() != wxFileName( aSpec.path ).GetFullName() )
        {
            if( aError )
                *aError = wxS( "Requested document does not match the open document" );
 
            return false;
        }
    }
 
    closeBoard( aServer );
    return true;
}
 
 
void IFACE::PreloadLibraries( KIWAY* aKiway )
{
    constexpr static int interval = 150;
    constexpr static int timeLimit = 120000;
 
    wxCHECK( aKiway, /* void */ );
 
    // Use compare_exchange to atomically check and set the flag to prevent race conditions
    // when PreloadLibraries is called multiple times concurrently (e.g., from project manager
    // and pcb editor both scheduling via CallAfter)
    bool expected = false;
 
    if( !m_libraryPreloadInProgress.compare_exchange_strong( expected, true ) )
        return;
 
    Pgm().ClearLibraryLoadMessages();
 
    m_libraryPreloadBackgroundJob =
            Pgm().GetBackgroundJobMonitor().Create( _( "Loading Footprint Libraries" ) );
 
    auto preload =
        [this, aKiway]() -> void
        {
            std::shared_ptr<BACKGROUND_JOB_REPORTER> reporter =
                    m_libraryPreloadBackgroundJob->m_reporter;
 
            FOOTPRINT_LIBRARY_ADAPTER* adapter = PROJECT_PCB::FootprintLibAdapter( &aKiway->Prj() );
 
            int elapsed = 0;
            bool aborted = false;
 
            reporter->Report( _( "Loading Footprint Libraries" ) );
            adapter->AsyncLoad();
 
            while( true )
            {
                if( m_libraryPreloadAbort.load() )
                {
                    m_libraryPreloadAbort.store( false );
                    aborted = true;
                    break;
                }
 
                std::this_thread::sleep_for( std::chrono::milliseconds( interval ) );
 
                if( std::optional<float> loadStatus = adapter->AsyncLoadProgress() )
                {
                    float progress = *loadStatus;
                    reporter->SetCurrentProgress( progress );
 
                    if( progress >= 1 )
                        break;
                }
                else
                {
                    reporter->SetCurrentProgress( 1 );
                    break;
                }
 
                elapsed += interval;
 
                if( elapsed > timeLimit )
                    break;
            }
 
            // AbortAsyncLoad() sets the adapter's worker abort flag and then blocks,
            // so workers exit at their next checkpoint. BlockUntilLoaded() alone just
            // waits for each future to complete naturally, which can hang indefinitely
            // if a worker is stuck on a stalled network or filesystem operation.
            if( aborted )
                adapter->AbortAsyncLoad();
            else
                adapter->BlockUntilLoaded();
 
            // If aborted, skip operations that use the adapter since the project may have changed
            // and the adapter's project reference could be stale. This prevents use-after-free
            // crashes when switching projects during library preload.
            if( !aborted )
            {
                // Report library load errors from adapter
                Pgm().AddLibraryLoadMessages( adapter->GetLibraryLoadErrors() );
            }
            else
            {
                wxLogTrace( traceLibraries, "pcbnew PreloadLibraries: aborted, skipping footprint processing" );
            }
 
            m_libraryPreloadAbort.store( false );
            Pgm().GetBackgroundJobMonitor().Remove( m_libraryPreloadBackgroundJob );
            m_libraryPreloadBackgroundJob.reset();
 
            // Only send reload notifications if we weren't aborted
            if( !aborted )
            {
                std::string payload = "";
                aKiway->ExpressMail( FRAME_PCB_EDITOR, MAIL_RELOAD_LIB, payload, nullptr, true );
                aKiway->ExpressMail( FRAME_FOOTPRINT_EDITOR, MAIL_RELOAD_LIB, payload, nullptr, true );
                aKiway->ExpressMail( FRAME_CVPCB, MAIL_RELOAD_LIB, payload, nullptr, true );
            }
 
            m_libraryPreloadInProgress.store( false );
        };
 
    std::future<void> preloadFuture = std::async( std::launch::async, preload );
    m_libraryPreloadReturn = std::move( preloadFuture );
}
 
 
void IFACE::ProjectChanged()
{
    if( m_libraryPreloadInProgress.load() )
        m_libraryPreloadAbort.store( true );
}
 
 
void IFACE::CancelPreload( bool aBlock )
{
    if( m_libraryPreloadInProgress.load() )
    {
        m_libraryPreloadAbort.store( true );
 
        if( aBlock )
            m_libraryPreloadReturn.wait();
    }
}
 
 
void IFACE::RegisterLibraryHandlers( KICAD_API_SERVER* aServer )
{
    wxCHECK_RET( aServer, "no API server provided" );
 
    if( !m_apiHandlerFpLibs )
    {
        m_apiHandlerFpLibs = std::make_unique<API_HANDLER_FP_LIBRARIES>();
        aServer->RegisterHandler( m_apiHandlerFpLibs.get() );
    }
}
 
 
bool IFACE::LoadAllLibraries()
{
    FOOTPRINT_LIBRARY_ADAPTER* adapter = PROJECT_PCB::FootprintLibAdapter( &m_kiway->Prj() );
 
    if( !adapter )
        return false;
 
    adapter->AsyncLoad();
    return true;
}