1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
// Take a look at the license at the top of the repository in the LICENSE file.
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) {
self.parent_embedded()
}
}
mod sealed {
pub trait Sealed {}
impl<T: super::PlugImpl> Sealed for T {}
}
pub trait PlugImplExt: ObjectSubclass + sealed::Sealed {
fn parent_embedded(&self) {
unsafe {
let data = Self::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkPlugClass;
if let Some(f) = (*parent_class).embedded {
f(self.obj().unsafe_cast_ref::<Plug>().to_glib_none().0)
}
}
}
}
impl<T: PlugImpl> PlugImplExt for T {}
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();
imp.embedded()
}