FOOTPRINT_VIEWER_FRAME* FOOTPRINT_VIEWER_FRAME::GetActiveFootprintViewer( const KIWAY_PLAYER* aParent )
{
    wxASSERT( aParent );

    // We search only within the current project, and do so by limiting
    // the search scope to a wxWindow hierarchy subset.  Find the top most
    // KIWAY_PLAYER which is part of this PROJECT by matching its KIWAY* to the
    // most immediate parent's.

    // NOTE: an open FOOTPRINT_VIEWER_FRAME may have either the PCB_EDIT_FRAME
    // or the FOOTPRINT_EDIT_FRAME as parent.

    KIWAY*      kiway = &aParent->Kiway();
    wxWindow*   frame;

    while( (frame = aParent->GetParent()) != NULL )
    {
        // will go NULL when we reach a non-KIWAY_PLAYER
        KIWAY_PLAYER* kwp = dynamic_cast<KIWAY_PLAYER*>( frame );

        if( kwp && &kwp->Kiway() == kiway )
            aParent = kwp;
        else
            break;
    }

    return (FOOTPRINT_VIEWER_FRAME*) wxWindow::FindWindowByName(
        GetFootprintViewerFrameName(), aParent );
}
FOOTPRINT_VIEWER_FRAME* FOOTPRINT_VIEWER_FRAME::GetActiveFootprintViewer( const wxWindow* aParent )
{
    // top_of_project!
    wxASSERT( dynamic_cast<const PCB_EDIT_FRAME*>( aParent ) );

    return (FOOTPRINT_VIEWER_FRAME*) wxWindow::FindWindowByName(
        GetFootprintViewerFrameName(), aParent );
}
FOOTPRINT_VIEWER_FRAME::FOOTPRINT_VIEWER_FRAME( KIWAY* aKiway, wxWindow* aParent, FRAME_T aFrameType ) :
    PCB_BASE_FRAME( aKiway, aParent, aFrameType, _( "Footprint Library Browser" ),
            wxDefaultPosition, wxDefaultSize,
            aFrameType == FRAME_PCB_MODULE_VIEWER_MODAL ?
                KICAD_DEFAULT_DRAWFRAME_STYLE | wxFRAME_FLOAT_ON_PARENT :
                KICAD_DEFAULT_DRAWFRAME_STYLE,
            GetFootprintViewerFrameName() )
{
    wxASSERT( aFrameType==FRAME_PCB_MODULE_VIEWER || aFrameType==FRAME_PCB_MODULE_VIEWER_MODAL );

    if( aFrameType == FRAME_PCB_MODULE_VIEWER_MODAL )
        SetModal( true );

    wxAcceleratorTable table( DIM( accels ), accels );

    m_FrameName  = GetFootprintViewerFrameName();
    m_configPath = wxT( "FootprintViewer" );
    m_showAxis   = true;         // true to draw axis.

    // Give an icon
    wxIcon  icon;
    icon.CopyFromBitmap( KiBitmap( modview_icon_xpm ) );
    SetIcon( icon );

    m_HotkeysZoomAndGridList = g_Module_Viewer_Hokeys_Descr;

    m_libList = new wxListBox( this, ID_MODVIEW_LIB_LIST,
            wxDefaultPosition, wxDefaultSize, 0, NULL, wxLB_HSCROLL );

    m_footprintList = new wxListBox( this, ID_MODVIEW_FOOTPRINT_LIST,
            wxDefaultPosition, wxDefaultSize, 0, NULL, wxLB_HSCROLL );

    SetBoard( new BOARD() );

    // Ensure all layers and items are visible:
    GetBoard()->SetVisibleAlls();
    SetScreen( new PCB_SCREEN( GetPageSizeIU() ) );

    GetScreen()->m_Center = true;      // Center coordinate origins on screen.
    LoadSettings( config() );

    SetSize( m_FramePos.x, m_FramePos.y, m_FrameSize.x, m_FrameSize.y );

    GetScreen()->SetGrid( ID_POPUP_GRID_LEVEL_1000 + m_LastGridSizeId  );

    ReCreateHToolbar();
    ReCreateVToolbar();

    ReCreateLibraryList();
    UpdateTitle();

    // If a footprint was previously loaded, reload it
    if( getCurNickname().size() && getCurFootprintName().size() )
    {
        FPID id;

        id.SetLibNickname( getCurNickname() );
        id.SetFootprintName( getCurFootprintName() );
        GetBoard()->Add( loadFootprint( id ) );
    }

    if( m_canvas )
        m_canvas->SetAcceleratorTable( table );

    m_auimgr.SetManagedWindow( this );

    wxSize minsize(100,-1);     // Min size of list boxes

    // Main toolbar is initially docked at the top of the main window and dockable on any side.
    // The close button is disable because the footprint viewer has no main menu to re-enable it.
    // The tool bar will only be dockable on the top or bottom of the main frame window.  This is
    // most likely due to the fact that the other windows are not dockable and are preventing the
    // tool bar from docking on the right and left.
    wxAuiPaneInfo toolbarPaneInfo;
    toolbarPaneInfo.Name( wxT( "m_mainToolBar" ) ).ToolbarPane().Top().CloseButton( false );

    EDA_PANEINFO info;
    info.InfoToolbarPane();

    EDA_PANEINFO mesg;
    mesg.MessageToolbarPane();

    // Manage main toolbar, top pane
    m_auimgr.AddPane( m_mainToolBar, toolbarPaneInfo );

    // Manage the list of libraries, left pane.
    m_auimgr.AddPane( m_libList,
                      wxAuiPaneInfo( info ).Name( wxT( "m_libList" ) )
                      .Left().Row( 1 ).MinSize( minsize ) );

    // Manage the list of footprints, center pane.
    m_auimgr.AddPane( m_footprintList,
                      wxAuiPaneInfo( info ).Name( wxT( "m_footprintList" ) )
                      .Left().Row( 2 ).MinSize( minsize ) );

    // Manage the draw panel, right pane.
    m_auimgr.AddPane( m_canvas,
                      wxAuiPaneInfo().Name( wxT( "DrawFrame" ) ).CentrePane() );

    // Manage the message panel, bottom pane.
    m_auimgr.AddPane( m_messagePanel,
                      wxAuiPaneInfo( mesg ).Name( wxT( "MsgPanel" ) ).Bottom() );

    if( !m_perspective.IsEmpty() )
    {
        // Restore last saved sizes, pos and other params
        // However m_mainToolBar size cannot be set to its last saved size
        // because the actual size change depending on the way modview was called:
        // the tool to export the current footprint exist or not.
        // and the saved size is not always OK
        // the trick is to get the default toolbar size, and set the size after
        // calling LoadPerspective
        wxSize tbsize = m_mainToolBar->GetSize();
        m_auimgr.LoadPerspective( m_perspective, false );
        m_auimgr.GetPane( m_mainToolBar ).BestSize( tbsize );
    }

#if 0   // no.
    // Set min size (overwrite params read in LoadPerspective(), if any)
    m_auimgr.GetPane( m_libList ).MinSize( minsize );
    m_auimgr.GetPane( m_footprintList ).MinSize( minsize );
#endif

    // after changing something to the aui manager,
    // call Update()() to reflect the changes
    m_auimgr.Update();

    // Now Drawpanel is sized, we can use BestZoom to show the component (if any)
#ifdef USE_WX_GRAPHICS_CONTEXT
    GetScreen()->SetZoom( BestZoom() );
#else
    Zoom_Automatique( false );
#endif

    Show( true );
}