Trait CellRendererToggleImplExt
gtk::subclass::cell_renderer_toggle
pub trait CellRendererToggleImplExt { fn parent_toggled(&self, renderer: &CellRendererToggle, path: &str); }
fn parent_toggled(&self, renderer: &CellRendererToggle, path: &str)
impl<T: CellRendererToggleImpl + ObjectImpl> CellRendererToggleImplExt for T