}
void
-Grid::place (Item* i, Duple at)
+Grid::place (Item* i, double x, double y, double col_span, double row_span)
{
add (i);
- coords_by_item.insert (std::make_pair (i, at));
+ coords_by_item.insert (std::make_pair (i, Duple (x, y)));
reposition_children ();
}