C++ LIB_PIN::GetPosition方法代码示例

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();
}

/**
 * Managed cursor callback for placing component pins.
 */
void LIB_EDIT_FRAME::PlacePin()
{
    LIB_PIN* Pin;
    LIB_PIN* CurrentPin  = (LIB_PIN*) m_drawItem;
    bool     ask_for_pin = true;
    wxPoint  newpos;
    bool     status;

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

    newpos = GetCrossHairPosition( true );

    // Test for an other pin in same new position:
    for( Pin = m_component->GetNextPin(); Pin != NULL; Pin = m_component->GetNextPin( Pin ) )
    {
        if( Pin == CurrentPin || 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;
        }
    }

void LIB_EDIT_FRAME::OnEditPin( wxCommandEvent& event )
{
    if( m_drawItem == NULL || m_drawItem->Type() != LIB_PIN_T )
        return;

    STATUS_FLAGS item_flags = m_drawItem->GetFlags(); // save flags to restore them after editing
    LIB_PIN* pin = (LIB_PIN*) m_drawItem;

    DIALOG_LIB_EDIT_PIN dlg( this, pin );

    wxString units = GetUnitsLabel( g_UserUnit );
    dlg.SetDlgUnitsLabel( units );

    dlg.SetOrientationList( LIB_PIN::GetOrientationNames(), LIB_PIN::GetOrientationSymbols() );
    dlg.SetOrientation( LIB_PIN::GetOrientationCodeIndex( pin->GetOrientation() ) );
    dlg.SetStyle( pin->GetShape() );
    dlg.SetElectricalType( pin->GetType() );
    dlg.SetPinName( pin->GetName() );
    dlg.SetPinNameTextSize( StringFromValue( g_UserUnit, pin->GetNameTextSize() ) );
    dlg.SetPinPositionX( StringFromValue( g_UserUnit, pin->GetPosition().x ) );
    dlg.SetPinPositionY( StringFromValue( g_UserUnit, -pin->GetPosition().y ) );
    dlg.SetPadName( pin->GetNumberString() );
    dlg.SetPadNameTextSize( StringFromValue( g_UserUnit, pin->GetNumberTextSize() ) );

    dlg.SetLength( StringFromValue( g_UserUnit, pin->GetLength() ) );
    dlg.SetAddToAllParts( pin->GetUnit() == 0 );
    dlg.SetAddToAllBodyStyles( pin->GetConvert() == 0 );
    dlg.SetVisible( pin->IsVisible() );

    /* This ugly hack fixes a bug in wxWidgets 2.8.7 and likely earlier
     * versions for the flex grid sizer in wxGTK that prevents the last
     * column from being sized correctly.  It doesn't cause any problems
     * on win32 so it doesn't need to wrapped in ugly #ifdef __WXGTK__
     * #endif.
     */
    dlg.Layout();
    dlg.Fit();
    dlg.SetMinSize( dlg.GetSize() );

    if( dlg.ShowModal() == wxID_CANCEL )
    {
        if( pin->IsNew() )
        {
            pin->SetFlags( IS_CANCELLED );
            m_canvas->EndMouseCapture();
        }
        return;
    }

    // Test the pin position validity: to avoid issues in schematic,
    // it must be on a 50 mils grid
    wxPoint pinpos;
    pinpos.x = ValueFromString( g_UserUnit, dlg.GetPinPositionX() );
    pinpos.y = -ValueFromString( g_UserUnit, dlg.GetPinPositionY() );
    const int acceptable_mingrid = 50;

    if( (pinpos.x % acceptable_mingrid) || (pinpos.y % acceptable_mingrid) )
    {
        wxString msg;
        msg.Printf( _( "This pin is not on a %d mils grid\n"
                       "It will be not easy to connect in schematic\n"
                       "Do you want to continue?"), acceptable_mingrid );

        if( !IsOK( this, msg ) )
            return;
    }


    // Save the pin properties to use for the next new pin.
    LastPinNameSize = ValueFromString( g_UserUnit, dlg.GetPinNameTextSize() );
    LastPinNumSize = ValueFromString( g_UserUnit, dlg.GetPadNameTextSize() );
    LastPinOrient = LIB_PIN::GetOrientationCode( dlg.GetOrientation() );
    LastPinLength = ValueFromString( g_UserUnit, dlg.GetLength() );
    LastPinShape = dlg.GetStyle();
    LastPinType = dlg.GetElectricalType();
    LastPinCommonConvert = dlg.GetAddToAllBodyStyles();
    LastPinCommonUnit = dlg.GetAddToAllParts();
    LastPinVisible = dlg.GetVisible();

    pin->EnableEditMode( true, m_editPinsPerPartOrConvert );
    pin->SetName( dlg.GetPinName() );
    pin->SetNameTextSize( GetLastPinNameSize() );
    pin->SetNumber( dlg.GetPadName() );
    pin->SetNumberTextSize( GetLastPinNumSize() );
    pin->SetOrientation( LastPinOrient );
    pin->SetLength( GetLastPinLength() );
    pin->SetPinPosition( pinpos );

    pin->SetType( LastPinType );
    pin->SetShape( LastPinShape );
    pin->SetConversion( ( LastPinCommonConvert ) ? 0 : m_convert );
    pin->SetPartNumber( ( LastPinCommonUnit ) ? 0 : m_unit );
    pin->SetVisible( LastPinVisible );

    if( pin->IsModified() || pin->IsNew() )
    {
        if( !pin->InEditMode() )
            SaveCopyInUndoList( pin->GetParent() );

        OnModify( );
//.........这里部分代码省略.........

void LIB_EDIT_FRAME::OnCheckComponent( wxCommandEvent& event )
{
    LIB_PART*      part = GetCurPart();

    if( !part )
        return;

    const int MIN_GRID_SIZE = 25;

    LIB_PINS pinList;

    part->GetPins( pinList );

    if( pinList.size() == 0 )
    {
        DisplayInfoMessage( this, _( "No pins!" ) );
        return;
    }

    // Sort pins by pin num, so 2 duplicate pins
    // (pins with the same number) will be consecutive in list
    sort( pinList.begin(), pinList.end(), sort_by_pin_number );

    // Test for duplicates:
    DIALOG_DISPLAY_HTML_TEXT_BASE error_display( this, wxID_ANY,
                                                 _( "Marker Information" ),
                                                 wxDefaultPosition,
                                                 wxSize( 750, 600 ) );

    int dup_error = 0;

    for( unsigned ii = 1; ii < pinList.size(); ii++ )
    {
        wxString stringPinNum, stringCurrPinNum;

        LIB_PIN* curr_pin = pinList[ii];
        LIB_PIN* pin      = pinList[ii - 1];

        if( pin->GetNumber() != curr_pin->GetNumber()
            || pin->GetConvert() != curr_pin->GetConvert()
            || pin->GetUnit() != curr_pin->GetUnit() )
            continue;

        dup_error++;
        pin->PinStringNum( stringPinNum );

        /* TODO I dare someone to find a way to make happy translators on
           this thing! Lorenzo */
        curr_pin->PinStringNum( stringCurrPinNum );

        wxString msg = wxString::Format( _(
            "<b>Duplicate pin %s</b> \"%s\" at location <b>(%.3f, %.3f)</b>"
            " conflicts with pin %s \"%s\" at location <b>(%.3f, %.3f)</b>" ),
            GetChars( stringCurrPinNum ),
            GetChars( curr_pin->GetName() ),
            curr_pin->GetPosition().x / 1000.0,
            -curr_pin->GetPosition().y / 1000.0,
            GetChars( stringPinNum ),
            GetChars( pin->GetName() ),
            pin->GetPosition().x / 1000.0,
            -pin->GetPosition().y / 1000.0
            );

        if( part->GetUnitCount() > 1 )
        {
            msg += wxString::Format( _( " in part %c" ), 'A' + curr_pin->GetUnit() - 1 );
        }

        if( m_showDeMorgan )
        {
            if( curr_pin->GetConvert() )
                msg += _( "  of converted" );
            else
                msg += _( "  of normal" );
        }

        msg += wxT( ".<br>" );

        error_display.m_htmlWindow->AppendToPage( msg );
    }

    // Test for off grid pins:
    int offgrid_error = 0;

    for( unsigned ii = 0; ii < pinList.size(); ii++ )
    {
        LIB_PIN* pin = pinList[ii];

        if( ( (pin->GetPosition().x % MIN_GRID_SIZE) == 0 ) &&
            ( (pin->GetPosition().y % MIN_GRID_SIZE) == 0 ) )
            continue;

        // "pin" is off grid here.
        offgrid_error++;
        wxString stringPinNum;
        pin->PinStringNum( stringPinNum );

        wxString msg = wxString::Format( _(
            "<b>Off grid pin %s</b> \"%s\" at location <b>(%.3f, %.3f)</b>" ),
            GetChars( stringPinNum ),
//.........这里部分代码省略.........

// Create a new pin based on the previous pin with an incremented pin number.
void LIB_EDIT_FRAME::RepeatPinItem( wxDC* DC, LIB_PIN* SourcePin )
{
    wxString msg;

    LIB_PART*      part = GetCurPart();

    if( !part || !SourcePin || SourcePin->Type() != LIB_PIN_T )
        return;

    LIB_PIN* pin = (LIB_PIN*) SourcePin->Clone();

    pin->ClearFlags();
    pin->SetFlags( IS_NEW );
    wxPoint step;

    switch( pin->GetOrientation() )
    {
    case PIN_UP:
        step.x = GetRepeatPinStep();
        break;

    case PIN_DOWN:
        step.x = GetRepeatPinStep();
        break;

    case PIN_LEFT:
        step.y = - GetRepeatPinStep();
        break;

    case PIN_RIGHT:
        step.y = - GetRepeatPinStep();
        break;
    }

    pin->Move( pin->GetPosition() + step );
    wxString nextName = pin->GetName();
    IncrementLabelMember( nextName, GetRepeatDeltaLabel() );
    pin->SetName( nextName );

    pin->PinStringNum( msg );
    IncrementLabelMember( msg, GetRepeatDeltaLabel() );
    pin->SetPinNumFromString( msg );

    m_drawItem = pin;

    if( SynchronizePins() )
        pin->SetFlags( IS_LINKED );

    wxPoint savepos = GetCrossHairPosition();
    m_canvas->CrossHairOff( DC );

    SetCrossHairPosition( wxPoint( pin->GetPosition().x, -pin->GetPosition().y ) );

    // Add this new pin in list, and creates pins for others parts if needed
    m_drawItem = pin;
    ClearTempCopyComponent();
    PlacePin();
    m_lastDrawItem = pin;

    SetCrossHairPosition( savepos );
    m_canvas->CrossHairOn( DC );

    MSG_PANEL_ITEMS items;
    pin->GetMsgPanelInfo( items );
    SetMsgPanel( items );
    OnModify( );
}

/*
 * Create a new pin.
 */
void LIB_EDIT_FRAME::CreatePin( wxDC* DC )
{
    LIB_PART*      part = GetCurPart();

    if( !part )
        return;

    part->ClearStatus();

    LIB_PIN* pin = new LIB_PIN( part );

    m_drawItem = pin;

    pin->SetFlags( IS_NEW );
    pin->SetUnit( m_unit );
    pin->SetConvert( m_convert );

    // Flag pins to consider
    if( SynchronizePins() )
        pin->SetFlags( IS_LINKED );

    pin->Move( GetCrossHairPosition( true ) );
    pin->SetLength( GetLastPinLength() );
    pin->SetOrientation( LastPinOrient );
    pin->SetType( LastPinType );
    pin->SetShape( LastPinShape );
    pin->SetNameTextSize( GetLastPinNameSize() );
    pin->SetNumberTextSize( GetLastPinNumSize() );
    pin->SetConvert( LastPinCommonConvert ? 0 : m_convert );
    pin->SetUnit( LastPinCommonUnit ? 0 : m_unit );
    pin->SetVisible( LastPinVisible );
    PinPreviousPos = pin->GetPosition();
    m_canvas->SetIgnoreMouseEvents( true );
    wxCommandEvent cmd( wxEVT_COMMAND_MENU_SELECTED );
    cmd.SetId( ID_LIBEDIT_EDIT_PIN );
    GetEventHandler()->ProcessEvent( cmd );
    m_canvas->MoveCursorToCrossHair();
    m_canvas->SetIgnoreMouseEvents( false );

    if( pin->GetFlags() & IS_CANCELLED )
    {
        deleteItem( DC );
    }
    else
    {
        ClearTempCopyComponent();
        m_canvas->SetMouseCapture( DrawMovePin, AbortPinMove );

        if( DC )
        {
            int show_opts = PIN_DRAW_TEXTS | PIN_DRAW_DANGLING | PIN_DANGLING_HIDDEN;

            if( GetShowElectricalType() )
                show_opts |= PIN_DRAW_ELECTRICAL_TYPE_NAME;

            // In LIB_PIN::Draw() a void* parameter used as flag to pass show_opts.
            // Build it:
            void* showOptions = reinterpret_cast<void*>( show_opts );

            pin->Draw( m_canvas, DC, wxPoint( 0, 0 ), UNSPECIFIED_COLOR, GR_COPY,
                       showOptions, DefaultTransform );
        }

    }
}

/**
 * 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();
}

SCH_ITEM* SCH_EDIT_FRAME::FindComponentAndItem( const wxString& aReference,
                                                bool            aSearchHierarchy,
                                                SCH_SEARCH_T    aSearchType,
                                                const wxString& aSearchText,
                                                bool            aWarpMouse )
{
    SCH_SHEET_PATH* sheet;
    SCH_SHEET_PATH* sheetWithComponentFound = NULL;
    SCH_ITEM*       item = NULL;
    SCH_COMPONENT*  Component = NULL;
    wxPoint         pos, curpos;
    bool            centerAndRedraw = false;
    bool            notFound = true;
    wxString        msg;
    LIB_PIN*        pin;
    SCH_SHEET_LIST  sheetList;

    sheet = sheetList.GetFirst();

    if( !aSearchHierarchy )
        sheet = m_CurrentSheet;

    for( ; sheet != NULL; sheet = sheetList.GetNext() )
    {
        item = (SCH_ITEM*) sheet->LastDrawList();

        for( ; ( item != NULL ) && ( notFound == true ); item = item->Next() )
        {
            if( item->Type() != SCH_COMPONENT_T )
                continue;

            SCH_COMPONENT* pSch = (SCH_COMPONENT*) item;

            if( aReference.CmpNoCase( pSch->GetRef( sheet ) ) == 0 )
            {
                Component = pSch;
                sheetWithComponentFound = sheet;

                switch( aSearchType )
                {
                default:
                case FIND_COMPONENT_ONLY:    // Find component only
                    notFound = false;
                    pos = pSch->GetPosition();
                    break;

                case FIND_PIN:               // find a pin
                    pos = pSch->GetPosition();  // temporary: will be changed if the pin is found.
                    pin = pSch->GetPin( aSearchText );

                    if( pin == NULL )
                        break;

                    notFound = false;
                    pos += pin->GetPosition();
                    break;

                case FIND_REFERENCE:         // find reference
                    notFound = false;
                    pos = pSch->GetField( REFERENCE )->GetPosition();
                    break;

                case FIND_VALUE:             // find value
                    pos = pSch->GetPosition();

                    if( aSearchText.CmpNoCase( pSch->GetField( VALUE )->m_Text ) != 0 )
                        break;

                    notFound = false;
                    pos = pSch->GetField( VALUE )->GetPosition();
                    break;
                }
            }
        }

        if( (aSearchHierarchy == false) || (notFound == false) )
            break;
    }

    if( Component )
    {
        sheet = sheetWithComponentFound;

        if( *sheet != *m_CurrentSheet )
        {
            sheet->LastScreen()->SetZoom( GetScreen()->GetZoom() );
            *m_CurrentSheet = *sheet;
            m_CurrentSheet->UpdateAllScreenReferences();
            centerAndRedraw = true;
        }

        wxPoint delta;
        pos  -= Component->GetPosition();
        delta = Component->GetTransform().TransformCoordinate( pos );
        pos   = delta + Component->GetPosition();


        /* There may be need to reframe the drawing */
        if( ! m_canvas->IsPointOnDisplay( pos ) )
        {
//.........这里部分代码省略.........

SCH_ITEM* SCH_EDIT_FRAME::FindComponentAndItem( const wxString& aReference,
                                                bool            aSearchHierarchy,
                                                SCH_SEARCH_T    aSearchType,
                                                const wxString& aSearchText,
                                                bool            aWarpMouse )
{
    SCH_SHEET_PATH* sheet = NULL;
    SCH_SHEET_PATH* sheetWithComponentFound = NULL;
    SCH_ITEM*       item = NULL;
    SCH_COMPONENT*  Component = NULL;
    wxPoint         pos;
    bool            centerAndRedraw = false;
    bool            notFound = true;
    LIB_PIN*        pin;
    SCH_SHEET_LIST  sheetList( g_RootSheet );

    if( !aSearchHierarchy )
        sheetList.push_back( *m_CurrentSheet );
    else
        sheetList.BuildSheetList( g_RootSheet );

    for( SCH_SHEET_PATHS_ITER it = sheetList.begin(); it != sheetList.end(); ++it )
    {
        sheet = &(*it);
        item = (*it).LastDrawList();

        for( ; ( item != NULL ) && ( notFound == true ); item = item->Next() )
        {
            if( item->Type() != SCH_COMPONENT_T )
                continue;

            SCH_COMPONENT* pSch = (SCH_COMPONENT*) item;

            if( aReference.CmpNoCase( pSch->GetRef( sheet ) ) == 0 )
            {
                Component = pSch;
                sheetWithComponentFound = sheet;

                switch( aSearchType )
                {
                default:
                case FIND_COMPONENT_ONLY:    // Find component only
                    notFound = false;
                    pos = pSch->GetPosition();
                    break;

                case FIND_PIN:               // find a pin
                    pos = pSch->GetPosition();  // temporary: will be changed if the pin is found.
                    pin = pSch->GetPin( aSearchText );

                    if( pin == NULL )
                        break;

                    notFound = false;
                    pos += pin->GetPosition();
                    break;

                case FIND_REFERENCE:         // find reference
                    notFound = false;
                    pos = pSch->GetField( REFERENCE )->GetPosition();
                    break;

                case FIND_VALUE:             // find value
                    pos = pSch->GetPosition();

                    if( aSearchText.CmpNoCase( pSch->GetField( VALUE )->GetShownText() ) != 0 )
                        break;

                    notFound = false;
                    pos = pSch->GetField( VALUE )->GetPosition();
                    break;
                }
            }
        }

        if( notFound == false )
            break;
    }

    if( Component )
    {
        sheet = sheetWithComponentFound;

        if( *sheet != *m_CurrentSheet )
        {
            sheet->LastScreen()->SetZoom( GetScreen()->GetZoom() );
            *m_CurrentSheet = *sheet;
            m_CurrentSheet->UpdateAllScreenReferences();
            centerAndRedraw = true;
        }

        wxPoint delta;
        pos  -= Component->GetPosition();
        delta = Component->GetTransform().TransformCoordinate( pos );
        pos   = delta + Component->GetPosition();


        /* There may be need to reframe the drawing */
        if( ! m_canvas->IsPointOnDisplay( pos ) )
        {
//.........这里部分代码省略.........