Fills in path and focus_column with the current path and focus column. If
the cursor isn't currently set, then *path will be NULL. If no column
currently has focus, then *focus_column will be NULL.
The returned GtkTreePath must be freed with gtk_tree_path_free() when
you are done with it.
Fills in path and focus_column with the current path and focus column. If the cursor isn't currently set, then *path will be NULL. If no column currently has focus, then *focus_column will be NULL. The returned GtkTreePath must be freed with gtk_tree_path_free() when you are done with it.