C++ LIB_PART::GetNextPin方法代码示例

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 LIB_EDIT_FRAME::deleteItem( wxDC* aDC )
{
    wxCHECK_RET( m_drawItem != NULL, wxT( "No drawing item selected to delete." ) );

    m_canvas->CrossHairOff( aDC );

    LIB_PART*      part = GetCurPart();

    SaveCopyInUndoList( part );

    if( m_drawItem->Type() == LIB_PIN_T )
    {
        LIB_PIN*    pin = (LIB_PIN*) m_drawItem;
        wxPoint     pos = pin->GetPosition();

        part->RemoveDrawItem( (LIB_ITEM*) pin, m_canvas, aDC );

        if( SynchronizePins() )
        {
            LIB_PIN* tmp = part->GetNextPin();

            while( tmp != NULL )
            {
                pin = tmp;
                tmp = part->GetNextPin( pin );

                if( pin->GetPosition() != pos )
                    continue;

                part->RemoveDrawItem( (LIB_ITEM*) pin );
            }
        }

        m_canvas->Refresh();
    }
    else
    {
        if( m_canvas->IsMouseCaptured() )
        {
            m_canvas->CallEndMouseCapture( aDC );
        }
        else
        {
            part->RemoveDrawItem( m_drawItem, m_canvas, aDC );
            m_canvas->Refresh();
        }
    }

    m_drawItem = NULL;
    m_lastDrawItem = NULL;
    OnModify();
    m_canvas->CrossHairOn( aDC );
}

/**
 * Prepare the displacement of a pin
 *
 * Locate the pin pointed to by the cursor, and set the cursor management
 * function move the pin.
 */
void LIB_EDIT_FRAME::StartMovePin( wxDC* DC )
{
    LIB_PIN* cur_pin = (LIB_PIN*) m_drawItem;
    wxPoint  startPos;

    TempCopyComponent();

    LIB_PART*      part = GetCurPart();

    // Mark pins for moving.
    for( LIB_PIN* pin = part->GetNextPin();  pin;  pin = part->GetNextPin( pin ) )
    {
        pin->ClearFlags();

        if( pin == cur_pin )
            continue;

        if( pin->GetPosition() == cur_pin->GetPosition() &&
            pin->GetOrientation() == cur_pin->GetOrientation() && SynchronizePins() )
        {
            pin->SetFlags( IS_LINKED | IS_MOVED );
        }
    }

    cur_pin->SetFlags( IS_LINKED | IS_MOVED );

    PinPreviousPos = OldPos = cur_pin->GetPosition();
    startPos.x = OldPos.x;
    startPos.y = -OldPos.y;

//    m_canvas->CrossHairOff( DC );
    SetCrossHairPosition( startPos );
    m_canvas->MoveCursorToCrossHair();

    MSG_PANEL_ITEMS items;

    cur_pin->GetMsgPanelInfo( items );
    SetMsgPanel( items );
    m_canvas->SetMouseCapture( DrawMovePin, AbortPinMove );
//    m_canvas->CrossHairOn( DC );

    // Refresh the screen to avoid color artifacts when drawing
    // the pin in Edit mode and moving it from its start position
    m_canvas->Refresh();
}

/* aMasterPin is the "template" pin
 * aId is a param to select what should be mofified:
 * - aId = ID_POPUP_LIBEDIT_PIN_GLOBAL_CHANGE_PINNAMESIZE_ITEM:
 *          Change pins text name size
 * - aId = ID_POPUP_LIBEDIT_PIN_GLOBAL_CHANGE_PINNUMSIZE_ITEM:
 *          Change pins text num size
 * - aId = ID_POPUP_LIBEDIT_PIN_GLOBAL_CHANGE_PINSIZE_ITEM:
 *          Change pins length.
 *
 * If aMasterPin is selected ( .m_flag == IS_SELECTED ),
 * only the other selected pins are modified
 */
void LIB_EDIT_FRAME::GlobalSetPins( LIB_PIN* aMasterPin, int aId )

{
    LIB_PART*      part = GetCurPart();

    if( !part || !aMasterPin )
        return;

    if( aMasterPin->Type() != LIB_PIN_T )
        return;

    OnModify( );

    bool selected = aMasterPin->IsSelected();

    for( LIB_PIN* pin = part->GetNextPin();  pin;  pin = part->GetNextPin( pin ) )
    {
        if( pin->GetConvert() && pin->GetConvert() != m_convert )
            continue;

        // Is it the "selected mode" ?
        if( selected && !pin->IsSelected() )
            continue;

        switch( aId )
        {
        case ID_POPUP_LIBEDIT_PIN_GLOBAL_CHANGE_PINNUMSIZE_ITEM:
            pin->SetNumberTextSize( aMasterPin->GetNumberTextSize() );
            break;

        case ID_POPUP_LIBEDIT_PIN_GLOBAL_CHANGE_PINNAMESIZE_ITEM:
            pin->SetNameTextSize( aMasterPin->GetNameTextSize() );
            break;

        case ID_POPUP_LIBEDIT_PIN_GLOBAL_CHANGE_PINSIZE_ITEM:
            pin->SetLength( aMasterPin->GetLength() );
            break;
        }

        // Clear the flag IS_CHANGED, which was set by previous changes (if any)
        // but not used here.
        pin->ClearFlags( IS_CHANGED );
    }
}

/**
 * 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();
}