gtk:grid-attach (grid child left top width height)

grid -- a gtk:grid widget
child -- a gtk:widget object to add
left -- an integer for the column number to attach the left side of child to
top -- an integer for the row number to attach the top side of child to
width -- an integer for the number of columns that child will span
height -- an integer for the number of rows that child will span

Adds a child widget to the grid. The position of the child widget is determined by the left and top arguments. The number of "cells" that the child widget will occupy is determined by the width and height arguments.