gtk:grid-row-baseline-position (grid row)

grid -- a gtk:grid widget
row -- an integer with a row index
pos -- a value of the gtk:baseline-position enumeration

The gtk:grid-row-baseline-position function returns the baseline position of row. The (setf gtk:grid-row-baseline-position) function sets how the baseline should be positioned on row of the grid, in case that row is assigned more space than is requested. The default baseline position is :center.