eeschema/cross-probing.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2011 Wayne Stambaugh <[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 <wx/tokenzr.h>
#include <api/api_utils.h>
#include <api/common/commands/cross_probe_commands.pb.h>
#include <api/cross_probe_client.h>
#include <fmt.h>
#include <kiface_base.h>
#include <kiway.h>
#include <kiway_mail.h>
#include <import_net_map.h>
#include <import_local_symbol_libs.h>
#include <import_proj_properties.h>
#include <link_imported_footprints.h>
#include <reporter.h>
#include <connectivity/conn_navigation.h>
#include <connectivity/conn_netchain_manager.h>
#include <sch_netchain.h>
#include <sch_sheet.h>
#include <sch_symbol.h>
#include <sch_reference_list.h>
#include <string_utils.h>
#include <netlist_exporters/netlist_exporter_kicad.h>
#include <project/project_file.h>
#include <project/net_settings.h>
#include <project_sch.h>
#include <richio.h>
#include <tools/sch_actions.h>
#include <tool/tool_manager.h>
#include <tools/sch_editor_control.h>
#include <tools/sch_selection_tool.h>
#include <advanced_config.h>
#include <api/api_handler_sch.h>
 
#include <pgm_base.h>
#include <libraries/symbol_library_adapter.h>
#include <widgets/sch_design_block_pane.h>
#include <widgets/kistatusbar.h>
#include <wx/filefn.h>
#include <wx/log.h>
#include <wx/msgdlg.h>
#include <trace_helpers.h>
 
SCH_ITEM* SCH_EDITOR_CONTROL::FindSymbolAndItem( const wxString* aPath, const wxString* aReference,
                                                 bool aSearchHierarchy, SCH_SEARCH_T aSearchType,
                                                 const wxString& aSearchText )
{
    SCH_SHEET_PATH* sheetWithSymbolFound = nullptr;
    SCH_SYMBOL*     symbol = nullptr;
    SCH_PIN*        pin = nullptr;
    SCH_SHEET_LIST  sheetList;
    SCH_ITEM*       foundItem = nullptr;
 
    if( !aSearchHierarchy )
        sheetList.push_back( m_frame->GetCurrentSheet() );
    else
        sheetList = m_frame->Schematic().Hierarchy();
 
    for( SCH_SHEET_PATH& sheet : sheetList )
    {
        SCH_SCREEN* screen = sheet.LastScreen();
 
        for( EDA_ITEM* item : screen->Items().OfType( SCH_SYMBOL_T ) )
        {
            SCH_SYMBOL* candidate = static_cast<SCH_SYMBOL*>( item );
 
            // Search by path if specified, otherwise search by reference
            bool found = false;
 
            if( aPath )
            {
                wxString path = sheet.PathAsString() + candidate->m_Uuid.AsString();
                found = ( *aPath == path );
            }
            else
            {
                found = ( aReference && aReference->CmpNoCase( candidate->GetRef( &sheet ) ) == 0 );
            }
 
            if( found )
            {
                symbol = candidate;
                sheetWithSymbolFound = &sheet;
 
                if( aSearchType == HIGHLIGHT_PIN )
                {
                    pin = symbol->GetPin( aSearchText );
 
                    // Fall back to reverse pin-to-pad resolution so a remapped pad highlights its
                    // owning pin (issue #2282); the search text from pcbnew is a pad number.
                    if( !pin )
                        pin = symbol->GetPinByEffectivePadNumber( aSearchText, &sheet,
                                                                  m_frame->Schematic().GetCurrentVariant() );
 
                    // Ensure we have found the right unit in case of multi-units symbol
                    if( pin )
                    {
                        int unit = pin->GetLibPin()->GetUnit();
 
                        if( unit != ALL_UNITS && unit != symbol->GetUnit() )
                        {
                            pin = nullptr;
                            continue;
                        }
 
                        // Get pin position in true schematic coordinate
                        foundItem = pin;
                        break;
                    }
                }
                else
                {
                    foundItem = symbol;
                    break;
                }
            }
        }
 
        if( foundItem )
            break;
    }
 
    CROSS_PROBING_SETTINGS& crossProbingSettings = m_frame->eeconfig()->m_CrossProbing;
 
    if( symbol )
    {
        if( *sheetWithSymbolFound != m_frame->GetCurrentSheet() )
        {
            m_frame->GetToolManager()->RunAction<SCH_SHEET_PATH*>( SCH_ACTIONS::changeSheet,
                                                                   sheetWithSymbolFound );
        }
 
        if( crossProbingSettings.center_on_items )
        {
            if( crossProbingSettings.zoom_to_fit )
            {
                BOX2I bbox = symbol->GetBoundingBox();
 
                m_toolMgr->GetTool<SCH_SELECTION_TOOL>()->ZoomFitCrossProbeBBox( bbox );
            }
 
            if( pin )
                m_frame->FocusOnItem( pin );
            else
                m_frame->FocusOnItem( symbol );
        }
    }
 
    /* Print diag */
    wxString msg;
    wxString displayRef;
 
    if( aReference )
        displayRef = *aReference;
    else if( aPath )
        displayRef = *aPath;
 
    if( symbol )
    {
        if( aSearchType == HIGHLIGHT_PIN )
        {
            if( foundItem )
                msg.Printf( _( "%s pin %s found" ), displayRef, aSearchText );
            else
                msg.Printf( _( "%s found but pin %s not found" ), displayRef, aSearchText );
        }
        else
        {
            msg.Printf( _( "%s found" ), displayRef );
        }
    }
    else
    {
        msg.Printf( _( "%s not found" ), displayRef );
    }
 
    m_frame->SetStatusText( msg );
    m_frame->GetCanvas()->Refresh();
 
    return foundItem;
}
 
 
/* Execute a remote command sent via a socket on port KICAD_PCB_PORT_SERVICE_NUMBER
 *
 * Commands are:
 *
 * $PART: "reference"                  Put cursor on symbol.
 * $PART: "reference" $REF: "ref"      Put cursor on symbol reference.
 * $PART: "reference" $VAL: "value"    Put cursor on symbol value.
 * $PART: "reference" $PAD: "pin name" Put cursor on the symbol pin.
 * $NET: "netname"                     Highlight a specified net
 * $CLEAR: "HIGHLIGHTED"               Clear symbols highlight
 *
 * $CONFIG     Show the Manage Symbol Libraries dialog
 * $ERC        Show the ERC dialog
 */
void SCH_EDIT_FRAME::ExecuteRemoteCommand( const char* cmdline )
{
    // A remote command can arrive over the cross-probe socket before tools are registered
    // or after the tool manager has been torn down while the frame is closing.
    if( !m_toolManager )
        return;
 
    SCH_EDITOR_CONTROL* editor = m_toolManager->GetTool<SCH_EDITOR_CONTROL>();
 
    if( !editor )
        return;
 
    char line[1024];
 
    strncpy( line, cmdline, sizeof( line ) - 1 );
    line[ sizeof( line ) - 1 ] = '\0';
 
    char* idcmd = strtok( line, " \n\r" );
    char* text  = strtok( nullptr, "\"\n\r" );
 
    if( idcmd == nullptr )
        return;
 
    CROSS_PROBING_SETTINGS& crossProbingSettings = eeconfig()->m_CrossProbing;
 
    if( strcmp( idcmd, "$CONFIG" ) == 0 )
    {
        GetToolManager()->RunAction( ACTIONS::showSymbolLibTable );
        return;
    }
    else if( strcmp( idcmd, "$ERC" ) == 0 )
    {
        GetToolManager()->RunAction( SCH_ACTIONS::runERC );
        return;
    }
    else if( strcmp( idcmd, "$NET:" ) == 0 )
    {
        if( !crossProbingSettings.auto_highlight )
            return;
 
        HandleRemoteNetHighlight( From_UTF8( text ) );
        return;
    }
    else if( strcmp( idcmd, "$CLEAR:" ) == 0 )
    {
        // Cross-probing is now done through selection so we no longer need a clear command
        return;
    }
 
    if( !crossProbingSettings.on_selection )
        return;
 
    if( text == nullptr )
        return;
 
    if( strcmp( idcmd, "$PART:" ) != 0 )
        return;
 
    wxString part_ref = From_UTF8( text );
 
    /* look for a complement */
    idcmd = strtok( nullptr, " \n\r" );
 
    if( idcmd == nullptr )    // Highlight symbol only (from CvPcb or Pcbnew)
    {
        // Highlight symbol part_ref, or clear Highlight, if part_ref is not existing
        editor->FindSymbolAndItem( nullptr, &part_ref, true, HIGHLIGHT_SYMBOL, wxEmptyString );
        return;
    }
 
    text = strtok( nullptr, "\"\n\r" );
 
    if( text == nullptr )
        return;
 
    wxString msg = From_UTF8( text );
 
    if( strcmp( idcmd, "$REF:" ) == 0 )
    {
        // Highlighting the reference itself isn't actually that useful, and it's harder to
        // see.  Highlight the parent and display the message.
        editor->FindSymbolAndItem( nullptr, &part_ref, true, HIGHLIGHT_SYMBOL, msg );
    }
    else if( strcmp( idcmd, "$VAL:" ) == 0 )
    {
        // Highlighting the value itself isn't actually that useful, and it's harder to see.
        // Highlight the parent and display the message.
        editor->FindSymbolAndItem( nullptr, &part_ref, true, HIGHLIGHT_SYMBOL, msg );
    }
    else if( strcmp( idcmd, "$PAD:" ) == 0 )
    {
        editor->FindSymbolAndItem( nullptr, &part_ref, true, HIGHLIGHT_PIN, msg );
    }
    else
    {
        editor->FindSymbolAndItem( nullptr, &part_ref, true, HIGHLIGHT_SYMBOL, wxEmptyString );
    }
}
 
 
void SCH_EDIT_FRAME::HandleRemoteNetHighlight( const wxString& aNetName )
{
    const bool exists = SCH_CONNECTIVITY::NAVIGATION_QUERY( Schematic() ).HasNet( aNetName );
    SetHighlightedConnection( exists ? aNetName : wxString(), nullptr, true );
 
    if( SCH_NETCHAIN* chain = Schematic().NetChains().GetNetChainForNet( m_highlightedConn ) )
        SetHighlightedNetChain( chain->GetName() );
    else
        SetHighlightedNetChain( wxEmptyString );
 
    GetToolManager()->RunAction( SCH_ACTIONS::updateNetHighlighting );
    UpdateNetHighlightStatus();
}
 
 
void SCH_EDIT_FRAME::SendSelectItemsToPcb( const std::vector<EDA_ITEM*>& aItems, bool aForce )
{
    kiapi::common::commands::SyncSelection sync;
 
    for( EDA_ITEM* item : aItems )
    {
        switch( item->Type() )
        {
        case SCH_SYMBOL_T:
        {
            SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( item );
            kiapi::common::commands::SelectionSpec* spec = sync.add_items();
            spec->mutable_footprint()->set_reference( symbol->GetField( FIELD_T::REFERENCE )->GetText().ToUTF8() );
            break;
        }
 
        case SCH_SHEET_T:
        {
            // For cross probing, we need the full path of the sheet, because
            // we search by the footprint path prefix in the PCB editor.
            KIID_PATH path = GetCurrentSheet().Path();
            path.push_back( item->m_Uuid );
 
            kiapi::common::commands::SelectionSpec* spec = sync.add_items();
            kiapi::common::PackSheetPath( *spec->mutable_sheet_path(), path );
            break;
        }
 
        case SCH_PIN_T:
        {
            SCH_PIN* pin = static_cast<SCH_PIN*>( item );
            SYMBOL*  symbol = pin->GetParentSymbol();
            wxString ref = symbol->GetRef( &GetCurrentSheet(), false );
 
            // Highlight the resolved pad(s) in pcbnew (issue #2282); a mapped pin may target more
            // than one pad via stacked notation, so highlight all of them.
            wxString effective = pin->GetEffectivePadNumber( GetCurrentSheet(), Schematic().GetCurrentVariant() );
 
            for( const wxString& pad : ExpandStackedPinNotation( effective ) )
            {
                kiapi::common::commands::SelectionSpec* spec = sync.add_items();
                spec->mutable_pad()->set_reference( ref.ToUTF8() );
                spec->mutable_pad()->set_number( pad.ToUTF8() );
            }
 
            break;
        }
 
        default:
            break;
        }
    }
 
    if( sync.items_size() == 0 )
        return;
 
    sync.set_context( aForce ? commands::SyncSelectionContext::SSC_EXPLICIT
                             : commands::SyncSelectionContext::SSC_IMPLICIT );
 
    if( Kiface().IsSingle() )
    {
        CROSS_PROBE_CLIENT::SendToFrame( FRAME_PCB_EDITOR, sync );
    }
    else
    {
        std::string payload;
        kiapi::common::PackKiwayApiMessage( sync, payload );
        Kiway().ExpressMail( FRAME_PCB_EDITOR, MAIL_SELECTION, payload, this );
    }
}
 
 
static void sendHighlightNets( SCH_EDIT_FRAME* aFrame, const kiapi::common::commands::HighlightNets& aMessage )
{
    if( Kiface().IsSingle() )
    {
        CROSS_PROBE_CLIENT::SendToFrame( FRAME_PCB_EDITOR, aMessage );
    }
    else
    {
        std::string payload;
        kiapi::common::PackKiwayApiMessage( aMessage, payload );
        aFrame->Kiway().ExpressMail( FRAME_PCB_EDITOR, MAIL_CROSS_PROBE, payload, aFrame );
    }
}
 
 
void SCH_EDIT_FRAME::SendCrossProbeNetName( const wxString& aNetName )
{
    kiapi::common::commands::HighlightNets message;
 
    message.add_net_name( aNetName.ToUTF8() );
    sendHighlightNets( this, message );
}
 
 
void SCH_EDIT_FRAME::SetCrossProbeConnection( const wxString& aName )
{
    const auto names = SCH_CONNECTIVITY::NAVIGATION_QUERY( Schematic() ).SignalNames( aName );
 
    if( names.empty() )
    {
        SendCrossProbeClearHighlight();
        return;
    }
 
    kiapi::common::commands::HighlightNets message;
 
    for( const wxString& name : names )
        message.add_net_name( name.ToUTF8() );
 
    sendHighlightNets( this, message );
}
 
 
void SCH_EDIT_FRAME::SendCrossProbeClearHighlight()
{
    SendCrossProbeNetName( wxEmptyString );
}
 
 
void SCH_EDIT_FRAME::KiwayMailIn( KIWAY_MAIL_EVENT& mail )
{
    std::string& payload = mail.GetPayload();
 
    switch( mail.Command() )
    {
    case MAIL_ADD_LOCAL_LIB:
    {
        std::stringstream ss( payload );
        std::string       file;
 
        // First line of payload is the source project directory.
        std::string srcProjDir;
        std::getline( ss, srcProjDir, '\n' );
 
        std::vector<wxString> libraries;
 
        while( std::getline( ss, file, '\n' ) )
            libraries.push_back( wxString::FromUTF8( file ) );
 
        RegisterLocalSymbolLibraries( Prj(), wxString::FromUTF8( srcProjDir ), libraries,
                                      WXLOG_REPORTER::GetInstance() );
 
        Kiway().ExpressMail( FRAME_CVPCB, MAIL_RELOAD_LIB, payload );
        Kiway().ExpressMail( FRAME_SCH_SYMBOL_EDITOR, MAIL_RELOAD_LIB, payload );
        Kiway().ExpressMail( FRAME_SCH_VIEWER, MAIL_RELOAD_LIB, payload );
 
        break;
    }
 
    // Handled as API commands
    case MAIL_SELECTION:
    case MAIL_CROSS_PROBE:
        if( ApiRequest request; request.ParseFromString( payload.c_str() ) )
            m_apiHandler->Handle( request );
 
        break;
 
    case MAIL_SCH_GET_NETLIST:
    {
        if( !payload.empty() )
        {
            wxString annotationMessage( payload );
 
            // Ensure schematic is OK for netlist creation (especially that it is fully annotated):
            bool userCancelled = false;
 
            if( !ReadyToNetlist( annotationMessage, &userCancelled ) )
            {
                // Cancel replies with a sentinel so the caller aborts silently; an unannotated
                // schematic echoes the annotation message so the caller shows its own error
                if( userCancelled )
                    payload = MAIL_SCH_GET_NETLIST_CANCELLED;
 
                return;
            }
        }
 
        PrepareForNetlist();
 
        NETLIST_EXPORTER_KICAD exporter( &Schematic(), &Kiway() );
        STRING_FORMATTER formatter;
 
        exporter.Format( &formatter, GNL_ALL | GNL_OPT_KICAD );
 
        RefreshConnectivity( true );
        payload = formatter.GetString();
        break;
    }
 
    case MAIL_SCH_GET_ITEM:
    {
        KIID           uuid( payload );
        SCH_SHEET_PATH path;
 
        if( SCH_ITEM* item = m_schematic->ResolveItem( uuid, &path, true ) )
        {
            if( item->Type() == SCH_SHEET_T )
                payload = static_cast<SCH_SHEET*>( item )->GetShownName( INTERNAL );
            else if( item->Type() == SCH_SYMBOL_T )
                payload = static_cast<SCH_SYMBOL*>( item )->GetRef( &path, true );
            else
                payload = item->GetFriendlyName();
        }
 
        break;
    }
 
    case MAIL_ASSIGN_FOOTPRINTS:
        try
        {
            SCH_EDITOR_CONTROL* controlTool = m_toolManager->GetTool<SCH_EDITOR_CONTROL>();
            controlTool->AssignFootprints( payload );
        }
        catch( const IO_ERROR& )
        {
        }
        break;
 
    case MAIL_SCH_REFRESH:
    {
        TestDanglingEnds();
 
        GetCanvas()->GetView()->UpdateAllItems( KIGFX::ALL );
        GetCanvas()->Refresh();
        break;
    }
 
    case MAIL_SCH_LINK_FOOTPRINTS:
    {
        std::optional<std::map<wxString, wxString>> footprints =
                IMPORT_PROJ_PROPS::SplitTaggedMap( IMPORT_PROJ_PROPS::FOOTPRINT_ID_MAP_TAG,
                                                   wxString::FromUTF8( payload ) );
 
        if( footprints && LinkImportedFootprints( Schematic(), *footprints, WXLOG_REPORTER::GetInstance() ) > 0 )
            OnModify();
 
        break;
    }
 
    case MAIL_IMPORT_FILE:
    {
        // Extract file format type and path (plugin type, path and properties keys, values
        // separated with \n)
        std::stringstream ss( payload );
        char              delim = '\n';
 
        std::string formatStr;
        wxCHECK( std::getline( ss, formatStr, delim ), /* void */ );
 
        std::string fnameStr;
        wxCHECK( std::getline( ss, fnameStr, delim ), /* void */ );
 
        int importFormat;
 
        try
        {
            importFormat = std::stoi( formatStr );
        }
        catch( std::invalid_argument& )
        {
            wxFAIL;
            importFormat = -1;
        }
 
        std::map<std::string, UTF8> props;
 
        do
        {
            std::string key, value;
 
            if( !std::getline( ss, key, delim ) )
                break;
 
            std::getline( ss, value, delim ); // We may want an empty string as value
 
            props.emplace( key, value );
 
        } while( true );
 
        payload.clear();
 
        if( importFormat < 0 || !importFile( fnameStr, importFormat, props.empty() ? nullptr : &props ) )
            break;
 
        if( importFormat == SCH_IO_MGR::SCH_ORCAD )
        {
            const IMPORT_NET_MAP*        map = Schematic().GetImportNetMap();
            std::map<wxString, wxString> names;
 
            if( map )
                names = GetBoardNetNameMap( *map, LOAD_INFO_REPORTER::GetInstance() );
 
            payload = TO_UTF8( IMPORT_PROJ_PROPS::JoinNetNameMap( names ) );
        }
        else
        {
            payload = "success";
        }
 
        break;
    }
 
    case MAIL_SCH_SAVE:
        if( SaveProject() )
            payload = "success";
 
        break;
 
    case MAIL_SCH_RELOAD:
    {
        // A git operation rewrote files on disk. Reload the schematic so the editor matches.
        if( Schematic().GetFileName().IsEmpty() )
            break;
 
        SCH_SCREENS screens( Schematic().Root() );
 
        // A payload lists the changed files. When none is a sheet of this schematic, the change
        // belongs to another project and reloading would only cost this one its undo history.
        if( !payload.empty() )
        {
            wxArrayString changed = wxSplit( wxString::FromUTF8( payload.c_str() ), '\n' );
            bool          mine = false;
 
            for( SCH_SCREEN* screen = screens.GetFirst(); screen && !mine; screen = screens.GetNext() )
            {
                wxString screenFile = wxFileName( screen->GetFileName() ).GetFullPath();
 
                for( const wxString& changedFile : changed )
                {
                    if( !changedFile.IsEmpty() && screenFile == wxFileName( changedFile ).GetFullPath() )
                    {
                        mine = true;
                        break;
                    }
                }
            }
 
            if( !mine )
                break;
        }
 
        // Neither choice is safe without asking: reloading discards the unsaved edits, keeping
        // them means the next save overwrites what arrived.
        if( IsContentModified() )
        {
            wxMessageDialog dlg( this,
                                 _( "The schematic changed on disk while you were editing it.\n\n"
                                    "Reloading loses your unsaved edits. Keeping them means your "
                                    "next save overwrites the changes that just arrived. To get those "
                                    "back later, use Discard Changes on the file in the Version Control "
                                    "panel, which drops your edits to it." ),
                                 _( "Schematic Changed on Disk" ),
                                 wxYES_NO | wxNO_DEFAULT | wxICON_WARNING | wxCENTER );
            dlg.SetYesNoLabels( _( "&Reload" ), _( "&Keep My Edits" ) );
 
            if( dlg.ShowModal() != wxID_YES )
                break;
        }
 
        ReloadFromDisk();
        break;
    }
 
    case MAIL_SCH_UPDATE:
        m_toolManager->RunAction( ACTIONS::updateSchematicFromPcb );
        break;
 
    case MAIL_SCH_PROJECT_SETTINGS_CHANGED:
        // Net colors and widths resolve through per-net caches, and text variables at draw time,
        // so both need a flush and a repaint.
        Prj().GetProjectFile().NetSettings()->ClearAllCaches();
        Prj().IncrementNetclassesTicker();
        Prj().IncrementTextVarsTicker();
 
        GetCanvas()->GetView()->UpdateAllItems( KIGFX::ALL );
        GetCanvas()->Refresh();
        break;
 
    case MAIL_RELOAD_LIB:
    {
        if( m_designBlocksPane && m_designBlocksPane->IsShown() )
            m_designBlocksPane->RefreshLibs();
 
        // Show any symbol library load errors in the status bar
        if( KISTATUSBAR* statusBar = dynamic_cast<KISTATUSBAR*>( GetStatusBar() ) )
        {
            SYMBOL_LIBRARY_ADAPTER* adapter = PROJECT_SCH::SymbolLibAdapter( &Prj() );
            statusBar->AddWarningMessages( "load", adapter->GetLibraryLoadErrors() );
        }
 
        break;
    }
 
    case MAIL_SCH_NAVIGATE_TO_SHEET:
    {
        wxString targetFile( payload );
 
        for( SCH_SHEET_PATH& sheetPath : m_schematic->Hierarchy() )
        {
            SCH_SCREEN* screen = sheetPath.LastScreen();
 
            if( screen && screen->GetFileName() == targetFile )
            {
                m_toolManager->RunAction<SCH_SHEET_PATH*>( SCH_ACTIONS::changeSheet, &sheetPath );
                payload = "success";
                Raise();
                return;
            }
        }
 
        payload.clear();
        break;
    }
 
    default:;
 
    }
}