1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
// Take a look at the license at the top of the repository in the LICENSE file.

// rustdoc-stripper-ignore-next
//! Traits intended for subclassing [`LayoutChild`](crate::LayoutChild).

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

pub trait LayoutChildImpl: ObjectImpl {}

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

        assert!(
            crate::rt::is_initialized(),
            "GTK has to be initialized first"
        );
    }
}