local col_sx = left_edge_sx(Cursor_pane.col)
    if col_sx + Display_settings.column_width < Display_settings.x then
      Display_settings.x = col_sx - Margin_left - Padding_horizontal
    end

    bring_cursor_column_on_screen()

  table.insert(Surface, Cursor_pane.col+1, column)
  Cursor_pane.col = Cursor_pane.col+1
  Cursor_pane.row = 1
  local col_sx = left_edge_sx(Cursor_pane.col)
  if col_sx > Display_settings.x + App.screen.width - Display_settings.column_width then
    Display_settings.x = math.max(0, col_sx + Display_settings.column_width + Margin_right + Padding_horizontal - App.screen.width)
    Display_settings.y = 0
  end

  add_column_to_right_of_cursor(column)

  table.insert(Surface, Cursor_pane.col+1, column)
  Cursor_pane.col = Cursor_pane.col+1
  Cursor_pane.row = 1
  local col_sx = left_edge_sx(Cursor_pane.col)
  if col_sx > Display_settings.x + App.screen.width - Display_settings.column_width then
    Display_settings.x = math.max(0, col_sx + Display_settings.column_width + Margin_right + Padding_horizontal - App.screen.width)
    Display_settings.y = 0
  end

  add_column_to_right_of_cursor(column)

  local col_sx = left_edge_sx(Cursor_pane.col)
  if col_sx > Display_settings.x + App.screen.width - Display_settings.column_width then
    Display_settings.x = math.max(0, col_sx + Display_settings.column_width + Margin_right + Padding_horizontal - App.screen.width)
    Display_settings.y = 0
  end

  bring_cursor_column_on_screen()

end
function add_column_to_right_of_cursor(column)
  table.insert(Surface, Cursor_pane.col+1, column)
  Cursor_pane.col = Cursor_pane.col+1
  Cursor_pane.row = 1
  bring_cursor_column_on_screen()

function bring_cursor_column_on_screen()
  local col_sx = left_edge_sx(Cursor_pane.col)
  if col_sx > Display_settings.x + App.screen.width - Display_settings.column_width then
    Display_settings.x = math.max(0, col_sx + Display_settings.column_width + Margin_right + Padding_horizontal - App.screen.width)
    Display_settings.y = 0
  end
end