Trait CellRendererTextImpl
gtk::subclass::cell_renderer_text
pub trait CellRendererTextImpl: CellRendererTextImplExt + CellRendererImpl + 'static { fn edited(&self, renderer: &CellRendererText, path: &str, new_text: &str) { ... } }
fn edited(&self, renderer: &CellRendererText, path: &str, new_text: &str)