def do_resize_children(self):
cell_rects = self._grid.make_cells(self.rect)<EOL>for i, child in enumerate(self._children):<EOL><INDENT>box = cell_rects[self.do_get_row_col(i)]<EOL>align_widget_in_box(child, box, self.cell_alignment)<EOL><DEDENT>
Allocate space to the child widgets according to how much space they 
asked for when added to the layout (e.g. their "size") and how much 
space they need (e.g. their "claim").