code: func (v *TreeView) SetCursorOnCell(path *TreePath, focusColumn *TreeViewColumn, focusCell *CellRenderer, startEditing bool) {
  	C.gtk_tree_view_set_cursor_on_cell(v.native(), path.native(), focusColumn.native(), focusCell.native(), gbool(startEditing))
  }
docs: // SetCursorOnCell is a wrapper around gtk_tree_view_set_cursor_on_cell().