code: def get_merged_rect(self, grid, key, rect):
          
  
          row, col, tab = key
  
          # Check if cell is merged:
          cell_attributes = grid.code_array.cell_attributes
          merge_area = cell_attributes[(row, col, tab)]["merge_area"]
  
          if merge_area is None:
              return rect
  
          else:
              # We have a merged cell
              top, left, bottom, right = merge_area
  
              # Are we drawing the top left cell?
              if top == row and left == col:
                  # Set rect to merge area
                  ul_rect = grid.CellToRect(row, col)
                  br_rect = grid.CellToRect(bottom, right)
  
                  width = br_rect.x - ul_rect.x + br_rect.width
                  height = br_rect.y - ul_rect.y + br_rect.height
  
                  rect = wx.Rect(ul_rect.x, ul_rect.y, width, height)
  
                  return rect
docs: Returns cell rect for normal or merged cells and None for merged