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use glib::subclass::prelude::*;
use glib::translate::*;
use glib::Cast;
use super::window::WindowImpl;
use crate::Plug;
pub trait PlugImpl: PlugImplExt + WindowImpl {
fn embedded(&self, plug: &Self::Type) {
self.parent_embedded(plug)
}
}
pub trait PlugImplExt: ObjectSubclass {
fn parent_embedded(&self, plug: &Self::Type);
}
impl<T: PlugImpl> PlugImplExt for T {
fn parent_embedded(&self, plug: &Self::Type) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkPlugClass;
if let Some(f) = (*parent_class).embedded {
f(plug.unsafe_cast_ref::<Plug>().to_glib_none().0)
}
}
}
}
unsafe impl<T: PlugImpl> IsSubclassable<T> for Plug {
fn class_init(class: &mut ::glib::Class<Self>) {
Self::parent_class_init::<T>(class);
if !crate::rt::is_initialized() {
panic!("GTK has to be initialized first");
}
let klass = class.as_mut();
klass.embedded = Some(plug_embedded::<T>);
}
}
unsafe extern "C" fn plug_embedded<T: PlugImpl>(ptr: *mut ffi::GtkPlug) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let wrap: Borrowed<Plug> = from_glib_borrow(ptr);
imp.embedded(wrap.unsafe_cast_ref())
}