gtk:tree-view-column-cell-size (column)

column -- a gtk:tree-view-column object
xoffset -- an integer for the x offset of a cell relative to area
yoffset -- an integer for the y offset of a cell relative to area
width -- an integer for the width needed to render a cell
height -- an integer for the height needed to render a cell

Obtains the width and height needed to render the column. This is used primarily by the tree view. The gtk:tree-view-column implementation is deprecated since 4.10. Please do not use it in newly written code.