gtk:grid-query-child (grid child)

grid -- a gtk:grid widget
child -- a gtk:widget child widget

column -- an integer with the column used to attach the left side of child
row -- an integer with the row used to attach the top side of child
width -- an integer with the number of columns child spans
height -- an integer with the number of rows child spans

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