Obtains the horizontal position and size of a cell in a column. If the cell is not found in the column, start_pos and width are not changed and FALSE is returned.
a GtkCellRenderer
return location for the horizontal position of cell within tree_column, may be NULL
return location for the width of cell, may be NULL
TRUE if cell belongs to tree_column.
See Implementation
Obtains the horizontal position and size of a cell in a column. If the cell is not found in the column, start_pos and width are not changed and FALSE is returned.