C++ SCH_ITEM类代码示例

void MoveItemsInList( PICKED_ITEMS_LIST& aItemsList, const wxPoint& aMoveVector )
{
    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
    {
        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetPickedItem( ii );
        item->Move( aMoveVector );
    }
}

bool WriteDiagnosticERC( const wxString& aFullFileName )
{
    wxString    msg;

    wxFFile file( aFullFileName, wxT( "wt" ) );

    if( !file.IsOpened() )
        return false;

    msg = _( "ERC report" );
    msg << wxT(" (") << DateAndTime() << wxT( ", " )
        << _( "Encoding UTF8" ) << wxT( " )\n" );

    int err_count = 0;
    int warn_count = 0;
    int total_count = 0;
    SCH_SHEET_LIST sheetList;
    SCH_SHEET_PATH* sheet;

    for( sheet = sheetList.GetFirst(); sheet != NULL; sheet = sheetList.GetNext() )
    {
        msg << wxString::Format( _( "\n***** Sheet %s\n" ),
                                 GetChars( sheet->PathHumanReadable() ) );

        for( SCH_ITEM* item = sheet->LastDrawList(); item != NULL; item = item->Next() )
        {
            if( item->Type() != SCH_MARKER_T )
                continue;

            SCH_MARKER* marker = (SCH_MARKER*) item;

            if( marker->GetMarkerType() != MARKER_BASE::MARKER_ERC )
                continue;

            total_count++;

            if( marker->GetErrorLevel() == MARKER_BASE::MARKER_SEVERITY_ERROR )
                err_count++;

            if( marker->GetErrorLevel() == MARKER_BASE::MARKER_SEVERITY_WARNING )
                warn_count++;

            msg << marker->GetReporter().ShowReport();
        }
    }

    msg << wxString::Format( _( "\n ** ERC messages: %d  Errors %d  Warnings %d\n" ),
                             total_count, err_count, warn_count );

    // Currently: write report unsing UTF8 (as usual in Kicad).
    // TODO: see if we can use the current encoding page (mainly for Windows users),
    // Or other format (HTML?)
    file.Write( msg );

    // wxFFile dtor will close the file.

    return true;
}

void DIALOG_ERC::OnLeftClickMarkersList( wxHtmlLinkEvent& event )
{
    wxString link = event.GetLinkInfo().GetHref();

    m_lastMarkerFound = NULL;

    long index;

    if( !link.ToLong( &index ) )
        return;

    const SCH_MARKER* marker = m_MarkersList->GetItem( index );

    if( marker == NULL )
        return;

    // Search for the selected marker
    SCH_SHEET_PATH* sheet;
    SCH_SHEET_LIST  SheetList;
    bool notFound = true;

    for( sheet = SheetList.GetFirst(); sheet; sheet = SheetList.GetNext() )
    {
        SCH_ITEM* item = (SCH_ITEM*) sheet->LastDrawList();

        for( ; item; item = item->Next() )
        {
            if( item == marker )
            {
                notFound = false;
                break;
            }
        }

        if( notFound == false )
            break;
    }

    if( notFound ) // Error
    {
        wxMessageBox( _( "Marker not found" ) );

        // The marker was deleted, so rebuild marker list
        DisplayERC_MarkersList();
        return;
    }

    if( *sheet != m_parent->GetCurrentSheet() )
    {
        sheet->LastScreen()->SetZoom( m_parent->GetScreen()->GetZoom() );
        m_parent->SetCurrentSheet( *sheet );
        m_parent->GetCurrentSheet().UpdateAllScreenReferences();
    }

    m_lastMarkerFound = marker;
    m_parent->SetCrossHairPosition( marker->m_Pos );
    m_parent->RedrawScreen( marker->m_Pos, false);
}

void SCH_EDIT_FRAME::OnSelectUnit( wxCommandEvent& aEvent )
{
    SCH_SCREEN* screen = GetScreen();
    SCH_ITEM*   item = screen->GetCurItem();

    wxCHECK_RET( item != NULL && item->Type() == SCH_COMPONENT_T,
                 wxT( "Cannot select unit of invalid schematic item." ) );

    INSTALL_UNBUFFERED_DC( dc, m_canvas );

    m_canvas->MoveCursorToCrossHair();

    SCH_COMPONENT* component = (SCH_COMPONENT*) item;

    int unit = aEvent.GetId() + 1 - ID_POPUP_SCH_SELECT_UNIT1;

    LIB_PART* part = GetLibPart( component->GetLibId() );

    if( !part )
        return;

    int unitCount = part->GetUnitCount();

    wxCHECK_RET( (unit >= 1) && (unit <= unitCount),
                 wxString::Format( wxT( "Cannot select unit %d from component " ), unit ) +
                 part->GetName() );

    if( unitCount <= 1 || component->GetUnit() == unit )
        return;

    if( unit > unitCount )
        unit = unitCount;

    STATUS_FLAGS flags = component->GetFlags();

    if( !flags )    // No command in progress: save in undo list
        SaveCopyInUndoList( component, UR_CHANGED );

    if( flags )
        component->Draw( m_canvas, &dc, wxPoint( 0, 0 ), g_XorMode, g_GhostColor );
    else
        component->Draw( m_canvas, &dc, wxPoint( 0, 0 ), g_XorMode );

    /* Update the unit number. */
    component->SetUnitSelection( m_CurrentSheet, unit );
    component->SetUnit( unit );
    component->ClearFlags();
    component->SetFlags( flags );   // Restore m_Flag modified by SetUnit()

    if( m_autoplaceFields )
        component->AutoAutoplaceFields( GetScreen() );

    if( screen->TestDanglingEnds() )
        m_canvas->Refresh();

    OnModify();
}

void MirrorX( PICKED_ITEMS_LIST& aItemsList, const wxPoint& aMirrorPoint )
{
    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
    {
        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetPickedItem( ii );
        item->MirrorX( aMirrorPoint.y );      // Place it in its new position.
        item->ClearFlags();
    }
}

void RotateListOfItems( PICKED_ITEMS_LIST& aItemsList, const wxPoint& rotationPoint )
{
    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
    {
        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetPickedItem( ii );
        item->Rotate( rotationPoint );      // Place it in its new position.
        item->ClearFlags();
    }
}

/* note: SCH_SCREEN::Plot is useful only for schematic.
 * library editor and library viewer do not use a draw list, and therefore
 * SCH_SCREEN::Plot plots nothing
 */
void SCH_SCREEN::Plot( PLOTTER* aPlotter )
{
    BuildSchCmpLinksToLibCmp();

    for( SCH_ITEM* item = m_drawList.begin();  item;  item = item->Next() )
    {
        aPlotter->SetCurrentLineWidth( item->GetPenSize() );
        item->Plot( aPlotter );
    }
}

bool SCH_SCREEN::Save( FILE* aFile ) const
{
    // Creates header
    if( fprintf( aFile, "%s %s %d\n", EESCHEMA_FILE_STAMP,
                 SCHEMATIC_HEAD_STRING, EESCHEMA_VERSION ) < 0 )
        return false;

    BOOST_FOREACH( const PART_LIB& lib, *Prj().SchLibs() )
    {
        if( fprintf( aFile, "LIBS:%s\n", TO_UTF8( lib.GetName() ) ) < 0 )
            return false;
    }

    // This section is not used, but written for file compatibility
    if( fprintf( aFile, "EELAYER %d %d\n", LAYERSCH_ID_COUNT, 0 ) < 0
        || fprintf( aFile, "EELAYER END\n" ) < 0 )
        return false;

    /* Write page info, ScreenNumber and NumberOfScreen; not very meaningful for
     * SheetNumber and Sheet Count in a complex hierarchy, but useful in
     * simple hierarchy and flat hierarchy.  Used also to search the root
     * sheet ( ScreenNumber = 1 ) within the files
     */
    const TITLE_BLOCK& tb = GetTitleBlock();

    if( fprintf( aFile, "$Descr %s %d %d%s\n", TO_UTF8( m_paper.GetType() ),
                 m_paper.GetWidthMils(),
                 m_paper.GetHeightMils(),
                 !m_paper.IsCustom() && m_paper.IsPortrait() ?
                    " portrait" : ""
                 ) < 0
        || fprintf( aFile, "encoding utf-8\n") < 0
        || fprintf( aFile, "Sheet %d %d\n", m_ScreenNumber, m_NumberOfScreens ) < 0
        || fprintf( aFile, "Title %s\n",    EscapedUTF8( tb.GetTitle() ).c_str() ) < 0
        || fprintf( aFile, "Date %s\n",     EscapedUTF8( tb.GetDate() ).c_str() ) < 0
        || fprintf( aFile, "Rev %s\n",      EscapedUTF8( tb.GetRevision() ).c_str() ) < 0
        || fprintf( aFile, "Comp %s\n",     EscapedUTF8( tb.GetCompany() ).c_str() ) < 0
        || fprintf( aFile, "Comment1 %s\n", EscapedUTF8( tb.GetComment1() ).c_str() ) < 0
        || fprintf( aFile, "Comment2 %s\n", EscapedUTF8( tb.GetComment2() ).c_str() ) < 0
        || fprintf( aFile, "Comment3 %s\n", EscapedUTF8( tb.GetComment3() ).c_str() ) < 0
        || fprintf( aFile, "Comment4 %s\n", EscapedUTF8( tb.GetComment4() ).c_str() ) < 0
        || fprintf( aFile, "$EndDescr\n" ) < 0 )
        return false;

    for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
    {
        if( !item->Save( aFile ) )
            return false;
    }

    if( fprintf( aFile, "$EndSCHEMATC\n" ) < 0 )
        return false;

    return true;
}

void SCH_SCREEN::Plot( PLOTTER* aPlotter )
{
    // Ensure links are up to date, even if a library was reloaded for some reason:
    UpdateSymbolLinks();

    for( SCH_ITEM* item = m_drawList.begin();  item;  item = item->Next() )
    {
        aPlotter->SetCurrentLineWidth( item->GetPenSize() );
        item->Plot( aPlotter );
    }
}

LIB_PIN* SCH_SCREEN::GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent,
                             bool aEndPointOnly ) const
{
    SCH_ITEM*       item;
    SCH_COMPONENT*  component = NULL;
    LIB_PIN*        pin = NULL;

    for( item = m_drawList.begin(); item; item = item->Next() )
    {
        if( item->Type() != SCH_COMPONENT_T )
            continue;

        component = (SCH_COMPONENT*) item;

        if( aEndPointOnly )
        {
            pin = NULL;

            LIB_PART* part = Prj().SchLibs()->FindLibPart( component->GetPartName() );

            if( !part )
                continue;

            for( pin = part->GetNextPin(); pin; pin = part->GetNextPin( pin ) )
            {
                // Skip items not used for this part.
                if( component->GetUnit() && pin->GetUnit() &&
                    ( pin->GetUnit() != component->GetUnit() ) )
                    continue;

                if( component->GetConvert() && pin->GetConvert() &&
                    ( pin->GetConvert() != component->GetConvert() ) )
                    continue;

                if(component->GetPinPhysicalPosition( pin ) == aPosition )
                    break;
            }
            if( pin )
                break;
        }
        else
        {
            pin = (LIB_PIN*) component->GetDrawItem( aPosition, LIB_PIN_T );

            if( pin )
                break;
        }
    }

    if( pin && aComponent )
        *aComponent = component;

    return pin;
}

void SCH_EDIT_FRAME::CheckListConnections( PICKED_ITEMS_LIST& aItemsList, bool aAppend )
{
    std::vector< wxPoint > pts;
    std::vector< wxPoint > connections;

    GetSchematicConnections( connections );
    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
    {
        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetPickedItem( ii );
        std::vector< wxPoint > new_pts;

        if( !item->IsConnectable() )
            continue;

        item->GetConnectionPoints( new_pts );
        pts.insert( pts.end(), new_pts.begin(), new_pts.end() );

        // If the item is a line, we also add any connection points from the rest of the schematic
        // that terminate on the line after it is moved.
        if( item->Type() == SCH_LINE_T )
        {
            SCH_LINE* line = (SCH_LINE*) item;
            for( auto i : connections )
                if( IsPointOnSegment( line->GetStartPoint(), line->GetEndPoint(), i ) )
                    pts.push_back( i );
        }
        else
        {
            // Clean up any wires that short non-wire connections in the list
            for( auto point = new_pts.begin(); point != new_pts.end(); point++ )
            {
                for( auto second_point = point + 1; second_point != new_pts.end(); second_point++ )
                {
                    aAppend |= TrimWire( *point, *second_point, aAppend );
                }
            }
        }
    }

    // We always have some overlapping connection points.  Drop duplicates here
    std::sort( pts.begin(), pts.end(),
            []( const wxPoint& a, const wxPoint& b ) -> bool
            { return a.x < b.x || (a.x == b.x && a.y < b.y); } );
    pts.erase( unique( pts.begin(), pts.end() ), pts.end() );

    for( auto point : pts )
    {
        if( GetScreen()->IsJunctionNeeded( point, true ) )
        {
            AddJunction( point, aAppend );
            aAppend = true;
        }
    }
}

LIB_PIN* SCH_SCREEN::GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent,
                             bool aEndPointOnly ) const
{
    SCH_ITEM* item;
    SCH_COMPONENT* component = NULL;
    LIB_PIN* pin = NULL;

    for( item = m_drawList.begin(); item != NULL; item = item->Next() )
    {
        if( item->Type() != SCH_COMPONENT_T )
            continue;

        component = (SCH_COMPONENT*) item;

        if( aEndPointOnly )
        {
            pin = NULL;
            LIB_COMPONENT* entry = CMP_LIBRARY::FindLibraryComponent( component->GetLibName() );

            if( entry == NULL )
                continue;

            for( pin = entry->GetNextPin(); pin != NULL; pin = entry->GetNextPin( pin ) )
            {
                // Skip items not used for this part.
                if( component->GetUnit() && pin->GetUnit() &&
                    ( pin->GetUnit() != component->GetUnit() ) )
                    continue;

                if( component->GetConvert() && pin->GetConvert() &&
                    ( pin->GetConvert() != component->GetConvert() ) )
                    continue;

                if(component->GetPinPhysicalPosition( pin ) == aPosition )
                    break;
            }
            if( pin )
                break;
        }
        else
        {
            pin = (LIB_PIN*) component->GetDrawItem( aPosition, LIB_PIN_T );

            if( pin )
                break;
        }
    }

    if( pin && aComponent )
        *aComponent = component;

    return pin;
}

SCH_ITEM* DuplicateStruct( SCH_ITEM* aDrawStruct, bool aClone )
{
    wxCHECK_MSG( aDrawStruct != NULL, NULL,
                 wxT( "Cannot duplicate NULL schematic item!  Bad programmer." ) );

    SCH_ITEM* NewDrawStruct = (SCH_ITEM*) aDrawStruct->Clone();

    if( aClone )
        NewDrawStruct->SetTimeStamp( aDrawStruct->GetTimeStamp() );

    return NewDrawStruct;
}

void SCH_SCREEN::GetHierarchicalItems( EDA_ITEMS& aItems )
{
    SCH_ITEM* item = m_drawList.begin();

    while( item )
    {
        if( ( item->Type() == SCH_SHEET_T ) || ( item->Type() == SCH_COMPONENT_T ) )
            aItems.push_back( item );

        item = item->Next();
    }
}

void SCH_EDIT_FRAME::RepeatDrawItem( wxDC* DC )
{
    SCH_ITEM*   repeater = GetRepeatItem();

    if( !repeater )
        return;

    //D( repeater>Show( 0, std::cout ); )

    // clone the repeater, move it, insert into display list, then save a copy
    // via SetRepeatItem();

    SCH_ITEM* my_clone = (SCH_ITEM*) repeater->Clone();

    // If cloning a component then put into 'move' mode.
    if( my_clone->Type() == SCH_COMPONENT_T )
    {
        wxPoint pos = GetCrossHairPosition() -
                      ( (SCH_COMPONENT*) my_clone )->GetPosition();

        my_clone->SetFlags( IS_NEW );
        ( (SCH_COMPONENT*) my_clone )->SetTimeStamp( GetNewTimeStamp() );
        my_clone->Move( pos );
        my_clone->Draw( m_canvas, DC, wxPoint( 0, 0 ), g_XorMode );
        PrepareMoveItem( my_clone, DC );
    }
    else
    {
        my_clone->Move( GetRepeatStep() );

        if( my_clone->CanIncrementLabel() )
            ( (SCH_TEXT*) my_clone )->IncrementLabel( GetRepeatDeltaLabel() );

        GetScreen()->Append( my_clone );

        if( my_clone->IsConnectable() )
        {
            GetScreen()->TestDanglingEnds();
            m_canvas->Refresh();
        }
        else
        {
            my_clone->Draw( m_canvas, DC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
        }

        SaveCopyInUndoList( my_clone, UR_NEW );
        my_clone->ClearFlags();
    }

    // clone my_clone, now that it has been moved, thus saving new position.
    SetRepeatItem( my_clone );
}