- if ( IsSelection() && addToSelected )
- {
- wxRect rect[4];
- bool need_refresh[4];
- need_refresh[0] =
- need_refresh[1] =
- need_refresh[2] =
- need_refresh[3] = FALSE;
- int i;
-
- wxCoord oldLeft = m_selectedTopLeft.GetCol();
- wxCoord oldTop = m_selectedTopLeft.GetRow();
- wxCoord oldRight = m_selectedBottomRight.GetCol();
- wxCoord oldBottom = m_selectedBottomRight.GetRow();
-
- if ( oldLeft > col )
- {
- need_refresh[0] = TRUE;
- rect[0] = BlockToDeviceRect( wxGridCellCoords ( 0, col ),
- wxGridCellCoords ( m_numRows - 1,
- oldLeft - 1 ) );
- m_selectedTopLeft.SetCol( col );
- }
-
- if ( oldTop > 0 )
- {
- need_refresh[1] = TRUE;
- rect[1] = BlockToDeviceRect( wxGridCellCoords ( 0, oldLeft ),
- wxGridCellCoords ( oldTop - 1,
- oldRight ) );
- m_selectedTopLeft.SetRow( 0 );
- }
-
- if ( oldRight < col )
- {
- need_refresh[2] = TRUE;
- rect[2] = BlockToDeviceRect( wxGridCellCoords ( 0, oldRight + 1 ),
- wxGridCellCoords ( m_numRows - 1,
- col ) );
- m_selectedBottomRight.SetCol( col );
- }
-
- if ( oldBottom < m_numRows - 1 )
- {
- need_refresh[3] = TRUE;
- rect[3] = BlockToDeviceRect( wxGridCellCoords ( oldBottom + 1,
- oldLeft ),
- wxGridCellCoords ( m_numRows - 1,
- oldRight ) );
- m_selectedBottomRight.SetRow( m_numRows - 1 );
- }
-
- for (i = 0; i < 4; i++ )
- if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
- m_gridWin->Refresh( FALSE, &(rect[i]) );
- }
- else
- {
- wxRect r;
-
- r = SelectionToDeviceRect();