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use glib::subclass::prelude::*;
use glib::translate::*;
use glib::Cast;
use super::container::ContainerImpl;
use crate::Inhibit;
use crate::Socket;
pub trait SocketImpl: SocketImplExt + ContainerImpl {
fn plug_added(&self, socket: &Self::Type) {
self.parent_plug_added(socket)
}
fn plug_removed(&self, socket: &Self::Type) -> Inhibit {
self.parent_plug_removed(socket)
}
}
pub trait SocketImplExt: ObjectSubclass {
fn parent_plug_added(&self, socket: &Self::Type);
fn parent_plug_removed(&self, socket: &Self::Type) -> Inhibit;
}
impl<T: SocketImpl> SocketImplExt for T {
fn parent_plug_added(&self, socket: &Self::Type) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkSocketClass;
if let Some(f) = (*parent_class).plug_added {
f(socket.unsafe_cast_ref::<Socket>().to_glib_none().0)
}
}
}
fn parent_plug_removed(&self, socket: &Self::Type) -> Inhibit {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkSocketClass;
if let Some(f) = (*parent_class).plug_removed {
Inhibit(from_glib(f(socket
.unsafe_cast_ref::<Socket>()
.to_glib_none()
.0)))
} else {
Inhibit(false)
}
}
}
}
unsafe impl<T: SocketImpl> IsSubclassable<T> for Socket {
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.plug_added = Some(socket_plug_added::<T>);
klass.plug_removed = Some(socket_plug_removed::<T>);
}
}
unsafe extern "C" fn socket_plug_added<T: SocketImpl>(ptr: *mut ffi::GtkSocket) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let wrap: Borrowed<Socket> = from_glib_borrow(ptr);
imp.plug_added(wrap.unsafe_cast_ref())
}
unsafe extern "C" fn socket_plug_removed<T: SocketImpl>(
ptr: *mut ffi::GtkSocket,
) -> glib::ffi::gboolean {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let wrap: Borrowed<Socket> = from_glib_borrow(ptr);
imp.plug_removed(wrap.unsafe_cast_ref()).into_glib()
}