C++ EDA_ITEM::GetFlags方法代码示例

int SCH_SCREEN::GetConnection( const wxPoint& aPosition, PICKED_ITEMS_LIST& aList,
                               bool aFullConnection )
{
    SCH_ITEM* item;
    EDA_ITEM* tmp;
    EDA_ITEMS list;

    // Clear flags member for all items.
    ClearDrawingState();
    BreakSegmentsOnJunctions();

    if( GetNode( aPosition, list ) == 0 )
        return 0;

    for( size_t i = 0;  i < list.size();  i++ )
    {
        item = (SCH_ITEM*) list[ i ];
        item->SetFlags( SELECTEDNODE | STRUCT_DELETED );

        /* Put this structure in the picked list: */
        ITEM_PICKER picker( item, UR_DELETED );
        aList.PushItem( picker );
    }

    // Mark all wires, junctions, .. connected to the item(s) found.
    if( aFullConnection )
    {
        SCH_LINE* segment;

        for( item = m_drawList.begin(); item; item = item->Next() )
        {
            if( !(item->GetFlags() & SELECTEDNODE) )
                continue;

            if( item->Type() != SCH_LINE_T )
                continue;

            MarkConnections( (SCH_LINE*) item );
        }

        // Search all attached wires (i.e wire with one new dangling end )
        for( item = m_drawList.begin(); item; item = item->Next() )
        {
            bool noconnect = false;

            if( item->GetFlags() & STRUCT_DELETED )
                continue;                                   // Already seen

            if( !(item->GetFlags() & CANDIDATE) )
                continue;                                   // not a candidate

            if( item->Type() != SCH_LINE_T )
                continue;

            item->SetFlags( SKIP_STRUCT );

            segment = (SCH_LINE*) item;

            /* If the wire start point is connected to a wire that was already found
             * and now is not connected, add the wire to the list. */
            for( tmp = m_drawList.begin(); tmp; tmp = tmp->Next() )
            {
                // Ensure tmp is a previously deleted segment:
                if( ( tmp->GetFlags() & STRUCT_DELETED ) == 0 )
                    continue;

                if( tmp->Type() != SCH_LINE_T )
                    continue;

                SCH_LINE* testSegment = (SCH_LINE*) tmp;

               // Test for segment connected to the previously deleted segment:
                if( testSegment->IsEndPoint( segment->GetStartPoint() ) )
                    break;
            }

            // when tmp != NULL, segment is a new candidate:
            // put it in deleted list if
            // the start point is not connected to an other item (like pin)
            if( tmp && !CountConnectedItems( segment->GetStartPoint(), true ) )
                noconnect = true;

            /* If the wire end point is connected to a wire that has already been found
             * and now is not connected, add the wire to the list. */
            for( tmp = m_drawList.begin(); tmp; tmp = tmp->Next() )
            {
                // Ensure tmp is a previously deleted segment:
                if( ( tmp->GetFlags() & STRUCT_DELETED ) == 0 )
                    continue;

                if( tmp->Type() != SCH_LINE_T )
                    continue;

                SCH_LINE* testSegment = (SCH_LINE*) tmp;

                // Test for segment connected to the previously deleted segment:
                if( testSegment->IsEndPoint( segment->GetEndPoint() ) )
                    break;
            }

//.........这里部分代码省略.........

/**
 * Function OnLeftDClick
 * called on a double click event from the drawpanel mouse handler
 *  if an editable item is found (text, component)
 *      Call the suitable dialog editor.
 *  Id a create command is in progress:
 *      validate and finish the command
 */
void SCH_EDIT_FRAME::OnLeftDClick( wxDC* aDC, const wxPoint& aPosition )

{
    EDA_ITEM* item = GetScreen()->GetCurItem();

    switch( GetToolId() )
    {
    case ID_NO_TOOL_SELECTED:
        if( ( item == NULL ) || ( item->GetFlags() == 0 ) )
        {
            item = LocateAndShowItem( aPosition );
        }

        if( ( item == NULL ) || ( item->GetFlags() != 0 ) )
            break;

        switch( item->Type() )
        {
        case SCH_SHEET_T:
            m_CurrentSheet->push_back( (SCH_SHEET*) item );
            DisplayCurrentSheet();
            break;

        case SCH_COMPONENT_T:
            EditComponent( (SCH_COMPONENT*) item );
            GetCanvas()->MoveCursorToCrossHair();

            if( item->GetFlags() == 0 )
                GetScreen()->SetCurItem( NULL );

            GetCanvas()->Refresh();
            break;

        case SCH_TEXT_T:
        case SCH_LABEL_T:
        case SCH_GLOBAL_LABEL_T:
        case SCH_HIERARCHICAL_LABEL_T:
            EditSchematicText( (SCH_TEXT*) item );
            break;

        case SCH_BITMAP_T:
            EditImage( (SCH_BITMAP*) item );
            break;

        case SCH_FIELD_T:
            EditComponentFieldText( (SCH_FIELD*) item );
            GetCanvas()->MoveCursorToCrossHair();
            break;

        case SCH_MARKER_T:
            ( (SCH_MARKER*) item )->DisplayMarkerInfo( this );
            break;

        default:
            break;
        }

        break;

    case ID_BUS_BUTT:
    case ID_WIRE_BUTT:
    case ID_LINE_COMMENT_BUTT:
        if( item && item->IsNew() )
            EndSegment( aDC );

        break;
    }
}

void EDA_DRAW_PANEL::OnMouseEvent( wxMouseEvent& event )
{
    int          localbutt = 0;
    BASE_SCREEN* screen = GetScreen();

    if( !screen )
        return;

    /* Adjust value to filter mouse displacement before consider the drag
     * mouse is really a drag command, not just a movement while click
     */
#define MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND 5

    if( event.Leaving() )
        m_canStartBlock = -1;

    if( !IsMouseCaptured() )          // No mouse capture in progress.
        SetAutoPanRequest( false );

    if( GetParent()->IsActive() )
        SetFocus();
    else
        return;

    if( !event.IsButton() && !event.Moving() && !event.Dragging() )
        return;

    if( event.RightDown() )
    {
        OnRightClick( event );
        return;
    }

    if( m_ignoreMouseEvents )
        return;

    if( event.LeftDown() )
        localbutt = GR_M_LEFT_DOWN;

    if( event.ButtonDClick( 1 ) )
        localbutt = GR_M_LEFT_DOWN | GR_M_DCLICK;

    if( event.MiddleDown() )
        localbutt = GR_M_MIDDLE_DOWN;

    INSTALL_UNBUFFERED_DC( DC, this );
    DC.SetBackground( *wxBLACK_BRUSH );

    // Compute the cursor position in drawing (logical) units.
    GetParent()->SetMousePosition( event.GetLogicalPosition( DC ) );

    int kbstat = 0;

    if( event.ShiftDown() )
        kbstat |= GR_KB_SHIFT;

    if( event.ControlDown() )
        kbstat |= GR_KB_CTRL;

    if( event.AltDown() )
        kbstat |= GR_KB_ALT;

    // Calling Double Click and Click functions :
    if( localbutt == (int) ( GR_M_LEFT_DOWN | GR_M_DCLICK ) )
    {
        if( m_ClickTimer )
        {
            m_ClickTimer->Stop();
            wxDELETE( m_ClickTimer );
        }
        GetParent()->OnLeftDClick( &DC, GetParent()->RefPos( true ) );

        // inhibit a response to the mouse left button release,
        // because we have a double click, and we do not want a new
        // OnLeftClick command at end of this Double Click
        m_ignoreNextLeftButtonRelease = true;
    }
    else if( event.LeftUp() )
    {
        // A block command is in progress: a left up is the end of block
        // or this is the end of a double click, already seen
        // Note also m_ignoreNextLeftButtonRelease can be set by
        // the call to OnLeftClick(), so do not change it after calling OnLeftClick
        bool ignoreEvt = m_ignoreNextLeftButtonRelease;
        m_ignoreNextLeftButtonRelease = false;

        if( screen->m_BlockLocate.GetState() == STATE_NO_BLOCK && !ignoreEvt )
        {
            EDA_ITEM* item = screen->GetCurItem();
            m_CursorClickPos = GetParent()->RefPos( true );

            // If we have an item already selected, or we are using a tool,
            // we won't use the disambiguation menu so process the click immediately
            if( ( item && item->GetFlags() ) || GetParent()->GetToolId() != ID_NO_TOOL_SELECTED )
                GetParent()->OnLeftClick( &DC, m_CursorClickPos );
            else
            {
                wxDELETE( m_ClickTimer );
                m_ClickTimer = new wxTimer(this, ID_MOUSE_DOUBLECLICK);
                m_ClickTimer->StartOnce( m_doubleClickInterval );
//.........这里部分代码省略.........