void LIB_EDIT_FRAME::pasteClipboard( const wxPoint& aOffset )
{
    LIB_PART* part = GetCurPart();

    if( !part || m_clipboard.GetCount() == 0 )
        return;

    for( unsigned int i = 0; i < m_clipboard.GetCount(); i++ )
    {
        // Append a copy to the current part, so the clipboard buffer might be pasted multiple times
        LIB_ITEM* item = (LIB_ITEM*) m_clipboard.GetItem( i )->Clone();
        item->SetParent( part );
        item->SetSelected();
        item->SetUnit( GetUnit() );
        part->AddDrawItem( item );
    }

    BlockMoveSelectedItems( aOffset, GetCurPart(), &GetScreen()->m_BlockLocate );
    RebuildView();
    GetCanvas()->Refresh();
    OnModify();
}
/**
 * Managed cursor callback for placing component pins.
 */
void LIB_EDIT_FRAME::PlacePin()
{
    LIB_PIN* cur_pin  = (LIB_PIN*) m_drawItem;
    bool     ask_for_pin = true;
    wxPoint  newpos;
    bool     status;

    // Some tests
    if( !cur_pin || cur_pin->Type() != LIB_PIN_T )
    {
        wxMessageBox( wxT( "LIB_EDIT_FRAME::PlacePin() error" ) );
        return;
    }

    newpos = GetCrossHairPosition( true );

    LIB_PART*      part = GetCurPart();

    // Test for an other pin in same new position:
    for( LIB_PIN* pin = part->GetNextPin();  pin;  pin = part->GetNextPin( pin ) )
    {
        if( pin == cur_pin || newpos != pin->GetPosition() || pin->GetFlags() )
            continue;

        if( ask_for_pin && SynchronizePins() )
        {
            m_canvas->SetIgnoreMouseEvents( true );

            status = IsOK( this, _( "This position is already occupied by another pin. Continue?" ) );

            m_canvas->MoveCursorToCrossHair();
            m_canvas->SetIgnoreMouseEvents( false );

            if( !status )
                return;
            else
                ask_for_pin = false;
        }
    }

    // Create Undo from GetTempCopyComponent() if exists ( i.e. after a pin move)
    // or from m_component (pin add ...)
    if( GetTempCopyComponent() )
        SaveCopyInUndoList( GetTempCopyComponent() );
    else
        SaveCopyInUndoList( part );

    m_canvas->SetMouseCapture( NULL, NULL );
    OnModify();
    cur_pin->Move( newpos );

    if( cur_pin->IsNew() )
    {
        LastPinOrient = cur_pin->GetOrientation();
        LastPinType   = cur_pin->GetType();
        LastPinShape  = cur_pin->GetShape();

        if( SynchronizePins() )
            CreateImagePins( cur_pin, m_unit, m_convert, m_showDeMorgan );

        m_lastDrawItem = cur_pin;
        part->AddDrawItem( m_drawItem );
    }

    // Put linked pins in new position, and clear flags
    for( LIB_PIN* pin = part->GetNextPin();  pin;  pin = part->GetNextPin( pin ) )
    {
        if( pin->GetFlags() == 0 )
            continue;

        pin->Move( cur_pin->GetPosition() );
        pin->ClearFlags();
    }

    m_drawItem = NULL;

    m_canvas->Refresh();
}
void LIB_EDIT_FRAME::LoadOneSymbol()
{
    LIB_PART*       part = GetCurPart();

    // Exit if no library entry is selected or a command is in progress.
    if( !part || ( m_drawItem && m_drawItem->GetFlags() ) )
        return;

    PROJECT&        prj = Prj();
    SEARCH_STACK*   search = prj.SchSearchS();

    m_canvas->SetIgnoreMouseEvents( true );

    wxString default_path = prj.GetRString( PROJECT::SCH_LIB_PATH );
    if( !default_path )
        default_path = search->LastVisitedPath();

    wxFileDialog dlg( this, _( "Import Symbol Drawings" ), default_path,
                      wxEmptyString, SchematicSymbolFileWildcard,
                      wxFD_OPEN | wxFD_FILE_MUST_EXIST );

    if( dlg.ShowModal() == wxID_CANCEL )
        return;

    SetCrossHairPosition( wxPoint( 0, 0 ) );
    m_canvas->MoveCursorToCrossHair();
    m_canvas->SetIgnoreMouseEvents( false );

    wxString filename = dlg.GetPath();

    prj.SetRString( PROJECT::SCH_LIB_PATH, filename );

    std::unique_ptr<PART_LIB> lib( new PART_LIB( LIBRARY_TYPE_SYMBOL, filename ) );

    wxString err;

    if( !lib->Load( err ) )
    {
        wxString msg = wxString::Format( _(
            "Error '%s' occurred loading part file '%s'." ),
            GetChars( err ),
            GetChars( filename )
            );
        DisplayError( this, msg );
        return;
    }

    if( lib->IsEmpty() )
    {
        wxString msg = wxString::Format( _(
            "No parts found in part file '%s'." ),
            GetChars( filename )
            );
        DisplayError( this, msg );
        return;
    }

    if( lib->GetCount() > 1 )
    {
        wxString msg = wxString::Format( _(
            "More than one part in part file '%s'." ),
            GetChars( filename )
            );
        wxMessageBox( msg, _( "Warning" ), wxOK | wxICON_EXCLAMATION, this );
    }

    LIB_PART*   first = lib->GetFirstEntry()->GetPart();
    LIB_ITEMS&  drawList = first->GetDrawItemList();

    for( LIB_ITEM& item : drawList )
    {
        if( item.Type() == LIB_FIELD_T )
            continue;

        if( item.GetUnit() )
            item.SetUnit( m_unit );

        if( item.GetConvert() )
            item.SetConvert( m_convert );

        item.SetFlags( IS_NEW | SELECTED );

        LIB_ITEM* newItem = (LIB_ITEM*) item.Clone();

        newItem->SetParent( part );
        part->AddDrawItem( newItem );
    }

    part->RemoveDuplicateDrawItems();
    part->ClearSelectedItems();

    OnModify();
    m_canvas->Refresh();
}