emitAddEditable  
  fun emitAddEditable(renderer: CellRenderer, editable: CellEditable, cellArea: <Error class: unknown class>, path: String)(source)
Emits the "add-editable" signal. See onAddEditable.
Parameters
renderer
the GtkCellRenderer that started the edited
editable
the GtkCellEditable widget to add
cellArea 
the GtkWidget relative GdkRectangle coordinates     where @editable should be added
path
the GtkTreePath string this edit was initiated for