C++ SetCurItem函数代码示例

int SCH_SCREEN::UpdatePickList()
{
    ITEM_PICKER picker;
    EDA_RECT area;
    unsigned count;

    area.SetOrigin( m_BlockLocate.GetOrigin() );
    area.SetSize( m_BlockLocate.GetSize() );
    area.Normalize();

    for( SCH_ITEM* item = m_drawList.begin(); item; item = item->Next() )
    {
        // An item is picked if its bounding box intersects the reference area.
        if( item->HitTest( area ) )
        {
            picker.SetItem( item );
            m_BlockLocate.PushItem( picker );
        }
    }

    // if the block is composed of one item,
    // select it as the current item
    count =  m_BlockLocate.GetCount();
    if( count == 1 )
    {
        SetCurItem( (SCH_ITEM*) m_BlockLocate.GetItem( 0 ) );
    }
    else
    {
        SetCurItem( NULL );
    }

    return count;
}

void PCB_EDIT_FRAME::Delete_Segment_Edge( DRAWSEGMENT* Segment, wxDC* DC )
{
    EDA_ITEM* PtStruct;
    int       track_fill_copy = DisplayOpt.DisplayDrawItems;

    if( Segment == NULL )
        return;

    if( Segment->IsNew() )  // Trace in progress.
    {
        // Delete current segment.
        DisplayOpt.DisplayDrawItems = SKETCH;
        Segment->Draw( m_canvas, DC, GR_XOR );
        PtStruct = Segment->Back();
        Segment ->DeleteStructure();

        if( PtStruct && (PtStruct->Type() == PCB_LINE_T ) )
            Segment = (DRAWSEGMENT*) PtStruct;

        DisplayOpt.DisplayDrawItems = track_fill_copy;
        SetCurItem( NULL );
    }
    else if( Segment->GetFlags() == 0 )
    {
        Segment->Draw( m_canvas, DC, GR_XOR );
        Segment->ClearFlags();
        SaveCopyInUndoList(Segment, UR_DELETED);
        Segment->UnLink();
        SetCurItem( NULL );
        OnModify();
    }
}

void PCB_EDIT_FRAME::Delete_Segment_Edge( DRAWSEGMENT* Segment, wxDC* DC )
{
    auto displ_opts = (PCB_DISPLAY_OPTIONS*)GetDisplayOptions();
    bool tmp = displ_opts->m_DisplayDrawItemsFill;

    if( Segment == NULL )
        return;

    int mask = EDA_ITEM_ALL_FLAGS - ( SELECTED | HIGHLIGHTED | BRIGHTENED );
    if( Segment->IsNew() )  // Trace in progress.
    {
        // Delete current segment.
        displ_opts->m_DisplayDrawItemsFill = SKETCH;
        Segment->Draw( m_canvas, DC, GR_XOR );
        Segment->DeleteStructure();
        displ_opts->m_DisplayDrawItemsFill = tmp;
        SetCurItem( NULL );
    }
    else if( ( Segment->GetFlags() & mask ) == 0 )    // i.e. not edited, or moved
    {
        Segment->Draw( m_canvas, DC, GR_XOR );
        Segment->ClearFlags();
        SaveCopyInUndoList(Segment, UR_DELETED);
        Segment->UnLink();
        SetCurItem( NULL );
        OnModify();
    }
}

/* Initialize the drawing of a segment of type other than trace.
 */
DRAWSEGMENT* PCB_EDIT_FRAME::Begin_DrawSegment( DRAWSEGMENT* Segment, STROKE_T shape, wxDC* DC )
{
    int          lineWidth;
    DRAWSEGMENT* DrawItem;

    lineWidth = GetDesignSettings().GetLineThickness( GetActiveLayer() );

    if( Segment == NULL )        // Create new segment.
    {
        SetCurItem( Segment = new DRAWSEGMENT( GetBoard() ) );
        Segment->SetFlags( IS_NEW );
        Segment->SetLayer( GetActiveLayer() );
        Segment->SetWidth( lineWidth );
        Segment->SetShape( shape );
        Segment->SetAngle( 900 );
        Segment->SetStart( GetCrossHairPosition() );
        Segment->SetEnd( GetCrossHairPosition() );
        m_canvas->SetMouseCapture( DrawSegment, Abort_EditEdge );
    }
    else
    {
        // The ending point coordinate Segment->m_End was updated by the function
        // DrawSegment() called on a move mouse event during the segment creation
        if( Segment->GetStart() != Segment->GetEnd() )
        {
            if( Segment->GetShape() == S_SEGMENT )
            {
                SaveCopyInUndoList( Segment, UR_NEW );
                GetBoard()->Add( Segment );

                OnModify();
                Segment->ClearFlags();

                Segment->Draw( m_canvas, DC, GR_OR );

                DrawItem = Segment;

                SetCurItem( Segment = new DRAWSEGMENT( GetBoard() ) );

                Segment->SetFlags( IS_NEW );
                Segment->SetLayer( DrawItem->GetLayer() );
                Segment->SetWidth( lineWidth );
                Segment->SetShape( DrawItem->GetShape() );
                Segment->SetType( DrawItem->GetType() );
                Segment->SetAngle( DrawItem->GetAngle() );
                Segment->SetStart( DrawItem->GetEnd() );
                Segment->SetEnd( DrawItem->GetEnd() );
                DrawSegment( m_canvas, DC, wxDefaultPosition, false );
            }
            else
            {
                End_Edge( Segment, DC );
                Segment = NULL;
            }
        }
    }

    return Segment;
}

void FOOTPRINT_WIZARD_FRAME::ReloadFootprint()
{
    FOOTPRINT_WIZARD* footprintWizard = GetMyWizard();

    if( !footprintWizard )
        return;

    SetCurItem( NULL );
    // Delete the current footprint
    GetBoard()->m_Modules.DeleteAll();

    // Creates the module
    MODULE* module = footprintWizard->GetModule();

    if( module )
    {
        //  Add the object to board
        module->SetParent( (EDA_ITEM*) GetBoard() );
        GetBoard()->m_Modules.Append( module );
        module->SetPosition( wxPoint( 0, 0 ) );
    }
    else
    {
        DBG(printf( "footprintWizard->GetModule() returns NULL\n" );)
    }

    m_canvas->Refresh();
}

void FOOTPRINT_WIZARD_FRAME::ReloadFootprint()
{
    FOOTPRINT_WIZARD* footprintWizard = GetMyWizard();

    if( !footprintWizard )
        return;

    SetCurItem( NULL );
    // Delete the current footprint
    GetBoard()->m_Modules.DeleteAll();

    // Creates the module
    wxString msg;
    MODULE* module = footprintWizard->GetFootprint( &msg );
    DisplayBuildMessage( msg );

    if( module )
    {
        //  Add the object to board
        GetBoard()->Add( module, ADD_APPEND );
        module->SetPosition( wxPoint( 0, 0 ) );
    }
    else
    {
        DBG(printf( "footprintWizard->GetFootprint() returns NULL\n" );)
    }

    m_canvas->Refresh();
}

void PCB_EDIT_FRAME::End_Move_Zone_Corner_Or_Outlines( wxDC* DC, ZONE_CONTAINER* aZone )
{
    aZone->ClearFlags();
    m_canvas->SetMouseCapture( NULL, NULL );

    if( DC )
        aZone->Draw( m_canvas, DC, GR_OR );

    OnModify();
    s_AddCutoutToCurrentZone = false;
    s_CurrentZone = NULL;

    SetCurItem( NULL );       // This outline can be deleted when merging outlines

    // Combine zones if possible
    GetBoard()->OnAreaPolygonModified( &s_AuxiliaryList, aZone );
    m_canvas->Refresh();

    int ii = GetBoard()->GetAreaIndex( aZone );     // test if aZone exists

    if( ii < 0 )
        aZone = NULL;                          // was removed by combining zones

    UpdateCopyOfZonesList( s_PickedList, s_AuxiliaryList, GetBoard() );
    SaveCopyInUndoList(s_PickedList, UR_UNSPECIFIED);
    s_PickedList.ClearItemsList(); // s_ItemsListPicker is no more owner of picked items

    int error_count = GetBoard()->Test_Drc_Areas_Outlines_To_Areas_Outlines( aZone, true );

    if( error_count )
    {
        DisplayError( this, _( "Area: DRC outline error" ) );
    }
}

void PCB_EDIT_FRAME::PlaceTarget( PCB_TARGET* aTarget, wxDC* DC )
{
    if( aTarget == NULL )
        return;

    aTarget->Draw( m_canvas, DC, GR_OR );
    m_canvas->SetMouseCapture( NULL, NULL );
    SetCurItem( NULL );
    OnModify();

    if( aTarget->IsNew() )
    {
        SaveCopyInUndoList( aTarget, UR_NEW );
        aTarget->ClearFlags();
        return;
    }

    if( aTarget->GetFlags() == IS_MOVED )
    {
        SaveCopyInUndoList( aTarget, UR_MOVED,
                            aTarget->GetPosition() - s_TargetCopy.GetPosition() );
        aTarget->ClearFlags();
        return;
    }

    if( (aTarget->GetFlags() & IN_EDIT) )
    {
        aTarget->SwapData( &s_TargetCopy );
        SaveCopyInUndoList( aTarget, UR_CHANGED );
        aTarget->SwapData( &s_TargetCopy );
    }

    aTarget->ClearFlags();
}

void FOOTPRINT_VIEWER_FRAME::SelectCurrentFootprint( wxCommandEvent& event )
{
    PCB_EDIT_FRAME* parent = (PCB_EDIT_FRAME*) GetParent();
    wxString        libname = m_libraryName + wxT( "." ) + LegacyFootprintLibPathExtension;
    MODULE*         oldmodule = GetBoard()->m_Modules;
    MODULE*         module = LoadModuleFromLibrary( libname, parent->FootprintLibs(),
                                                    false );

    if( module )
    {
        module->SetPosition( wxPoint( 0, 0 ) );

        // Only one footprint allowed: remove the previous footprint (if exists)
        if( oldmodule )
        {
            GetBoard()->Remove( oldmodule );
            delete oldmodule;
        }

        m_footprintName = FROM_UTF8( module->GetFPID().GetFootprintName().c_str() );
        module->ClearFlags();
        SetCurItem( NULL );

        Zoom_Automatique( false );
        m_canvas->Refresh();
        Update3D_Frame();
        m_footprintList->SetStringSelection( m_footprintName );
   }
}

/* Routine to view one selected library content. */
void FOOTPRINT_VIEWER_FRAME::SelectAndViewFootprint( int aMode )
{
    if( m_libraryName.IsEmpty() )
        return;

    int selection = m_FootprintList->FindString( m_footprintName );

    if( aMode == NEXT_PART )
    {
        if( selection != wxNOT_FOUND && selection < (int)m_FootprintList->GetCount()-1 )
            selection++;
    }

    if( aMode == PREVIOUS_PART )
    {
        if( selection != wxNOT_FOUND && selection > 0)
            selection--;
    }

    if( selection != wxNOT_FOUND )
    {
        m_footprintName = m_FootprintList->GetString( selection );
        SetCurItem( NULL );
        // Delete the current footprint
        GetBoard()->m_Modules.DeleteAll();
        GetModuleLibrary( m_libraryName + wxT(".") + LegacyFootprintLibPathExtension,
                          m_footprintName, true );
        Update3D_Frame();
    }

    DisplayLibInfos();
    Zoom_Automatique( false );
    m_canvas->Refresh( );
}

int PCB_EDIT_FRAME::OnHotkeyCopyItem()
{
    BOARD_ITEM* item = GetCurItem();
    bool itemCurrentlyEdited = item && item->GetFlags();

    if( itemCurrentlyEdited )
        return 0;

    item = PcbGeneralLocateAndDisplay();

    if( item == NULL )
        return 0;

    SetCurItem( item );

    int eventId = 0;

    switch( item->Type() )
    {
    case PCB_TEXT_T:
        eventId = ID_POPUP_PCB_COPY_TEXTEPCB;
        break;
    default:
        eventId = 0;
        break;
    }

    return eventId;
}

int PCB_EDIT_FRAME::Delete_LastCreatedCorner( wxDC* DC )
{
    ZONE_CONTAINER* zone = GetBoard()->m_CurrentZoneContour;

    if( !zone )
        return 0;

    if( !zone->GetNumCorners() )
        return 0;

    zone->DrawWhileCreateOutline( m_canvas, DC, GR_XOR );

    if( zone->GetNumCorners() > 2 )
    {
        zone->m_Poly->DeleteCorner( zone->GetNumCorners() - 1 );

        if( m_canvas->IsMouseCaptured() )
            m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
    }
    else
    {
        m_canvas->SetMouseCapture( NULL, NULL );
        SetCurItem( NULL );
        zone->RemoveAllContours();
        zone->ClearFlags();
    }

    return zone->GetNumCorners();
}

void ODSTree :: ResetCurItem (ItemData *pItemData, logical recursive )
{

  if ( IsCurItem(pItemData,recursive) )
    SetCurItem(NULL);

}

bool FOOTPRINT_EDIT_FRAME::OnHotkeyEditItem( int aIdCommand )
{
    BOARD_ITEM* item = GetCurItem();
    bool        itemCurrentlyEdited = item && item->GetFlags();
    bool        blockActive = GetScreen()->m_BlockLocate.GetCommand() != BLOCK_IDLE;

    if( itemCurrentlyEdited || blockActive )
        return false;

    item = ModeditLocateAndDisplay();

    if( item == NULL )
        return false;

    SetCurItem( item );

    int evt_type = 0;       // Used to post a wxCommandEvent on demand

    switch( item->Type() )
    {
    case PCB_MODULE_T:
        if( aIdCommand == HK_EDIT_ITEM )
            evt_type = ID_POPUP_PCB_EDIT_MODULE_PRMS;

        break;

    case PCB_PAD_T:
        if( aIdCommand == HK_EDIT_ITEM )
            evt_type = ID_POPUP_PCB_EDIT_PAD;

        break;

    case PCB_MODULE_TEXT_T:
        if( aIdCommand == HK_EDIT_ITEM )
            evt_type = ID_POPUP_PCB_EDIT_TEXTMODULE;

        break;

    case PCB_MODULE_EDGE_T:
        if( aIdCommand == HK_EDIT_ITEM )
            evt_type = ID_POPUP_MODEDIT_EDIT_BODY_ITEM;

        break;

    default:
        break;
    }

    if( evt_type != 0 )
    {
        wxCommandEvent evt( wxEVT_COMMAND_MENU_SELECTED );
        evt.SetEventObject( this );
        evt.SetId( evt_type );
        wxPostEvent( this, evt );
        return true;
    }

    return false;
}

void PCB_EDIT_FRAME::Block_Delete()
{
    OnModify();
    SetCurItem( NULL );

    PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
    itemsList->m_Status = UR_DELETED;

    // unlink items and clear flags
    for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
    {
        BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
        itemsList->SetPickedItemStatus( UR_DELETED, ii );
        GetBoard()->GetConnectivity()->Remove( item );

        switch( item->Type() )
        {
        case PCB_MODULE_T:
        {
            MODULE* module = (MODULE*) item;
            module->ClearFlags();
            module->UnLink();
            m_Pcb->m_Status_Pcb = 0;
        }
        break;

        case PCB_ZONE_AREA_T:     // a zone area
            m_Pcb->Remove( item );
            break;

        case PCB_LINE_T:          // a segment not on copper layers
        case PCB_TEXT_T:          // a text on a layer
        case PCB_TRACE_T:         // a track segment (segment on a copper layer)
        case PCB_VIA_T:           // a via (like track segment on a copper layer)
        case PCB_DIMENSION_T:     // a dimension (graphic item)
        case PCB_TARGET_T:        // a target (graphic item)
            item->UnLink();
            break;

        // These items are deleted, but not put in undo list
        case PCB_MARKER_T:                  // a marker used to show something
        case PCB_ZONE_T:                     // SEG_ZONE items are now deprecated
            item->UnLink();
            itemsList->RemovePicker( ii );
            ii--;
            item->DeleteStructure();
            break;

        default:
            wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Delete( ) error: unexpected type" ) );
            break;
        }
    }

    SaveCopyInUndoList( *itemsList, UR_DELETED );

    Compile_Ratsnest( NULL, true );
    m_canvas->Refresh( true );
}