gtk:grid-query-child (grid child)

grid -- a gtk:grid widget
child -- a gtk:widget child widget
column -- an integer for the column used to attach the left side of child
row -- an integer for the row used to attach the top side of child
width -- an integer for the number of columns child spans
height -- an integer for the number of rows child spans

Queries the attach points and spans of the child widget inside the given grid.