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use gtk_sys; use libc::c_char; use glib::subclass::prelude::*; use glib::translate::*; use glib::GString; use super::cell_renderer::CellRendererImpl; use CellRendererClass; use CellRendererToggle; use CellRendererToggleClass; pub trait CellRendererToggleImpl: CellRendererToggleImplExt + CellRendererImpl + 'static { fn toggled(&self, renderer: &CellRendererToggle, path: &str) { self.parent_toggled(renderer, path); } } pub trait CellRendererToggleImplExt { fn parent_toggled(&self, renderer: &CellRendererToggle, path: &str); } impl<T: CellRendererToggleImpl + ObjectImpl> CellRendererToggleImplExt for T { fn parent_toggled(&self, renderer: &CellRendererToggle, path: &str) { unsafe { let data = self.get_type_data(); let parent_class = data.as_ref().get_parent_class() as *mut gtk_sys::GtkCellRendererToggleClass; if let Some(f) = (*parent_class).toggled { f(renderer.to_glib_none().0, path.to_glib_none().0) } } } } unsafe impl<T: ObjectSubclass + CellRendererToggleImpl> IsSubclassable<T> for CellRendererToggleClass { fn override_vfuncs(&mut self) { <CellRendererClass as IsSubclassable<T>>::override_vfuncs(self); unsafe { let klass = &mut *(self as *mut Self as *mut gtk_sys::GtkCellRendererToggleClass); klass.toggled = Some(cell_renderer_toggle_toggled::<T>); } } } unsafe extern "C" fn cell_renderer_toggle_toggled<T: ObjectSubclass>( ptr: *mut gtk_sys::GtkCellRendererToggle, path: *const c_char, ) where T: CellRendererToggleImpl, { let instance = &*(ptr as *mut T::Instance); let imp = instance.get_impl(); let wrap = from_glib_borrow(ptr); imp.toggled(&wrap, &GString::from_glib_borrow(path)) }