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// Take a look at the license at the top of the repository in the LICENSE file.

use crate::subclass::prelude::*;
use crate::LayoutChild;
use glib::Object;

pub trait LayoutChildImpl: ObjectImpl {}

unsafe impl<T: LayoutChildImpl> IsSubclassable<T> for LayoutChild {
    fn class_init(class: &mut glib::Class<Self>) {
        <Object as IsSubclassable<T>>::class_init(class);

        if !crate::rt::is_initialized() {
            panic!("GTK has to be initialized first");
        }
    }

    fn instance_init(instance: &mut glib::subclass::InitializingObject<T>) {
        <Object as IsSubclassable<T>>::instance_init(instance);
    }
}