gtk4/subclass/
list_box_row.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3// rustdoc-stripper-ignore-next
4//! Traits intended for subclassing [`ListBoxRow`](crate::ListBoxRow).
5
6use glib::translate::*;
7
8use crate::{ffi, prelude::*, subclass::prelude::*, ListBoxRow};
9
10pub trait ListBoxRowImpl: ListBoxRowImplExt + WidgetImpl {
11    fn activate(&self) {
12        self.parent_activate()
13    }
14}
15
16mod sealed {
17    pub trait Sealed {}
18    impl<T: super::ListBoxRowImplExt> Sealed for T {}
19}
20
21pub trait ListBoxRowImplExt: sealed::Sealed + ObjectSubclass {
22    fn parent_activate(&self) {
23        unsafe {
24            let data = Self::type_data();
25            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkListBoxRowClass;
26            if let Some(f) = (*parent_class).activate {
27                f(self.obj().unsafe_cast_ref::<ListBoxRow>().to_glib_none().0)
28            }
29        }
30    }
31}
32
33impl<T: ListBoxRowImpl> ListBoxRowImplExt for T {}
34
35unsafe impl<T: ListBoxRowImpl> IsSubclassable<T> for ListBoxRow {
36    fn class_init(class: &mut glib::Class<Self>) {
37        Self::parent_class_init::<T>(class);
38
39        let klass = class.as_mut();
40        klass.activate = Some(row_activate::<T>);
41    }
42}
43
44unsafe extern "C" fn row_activate<T: ListBoxRowImpl>(ptr: *mut ffi::GtkListBoxRow) {
45    let instance = &*(ptr as *mut T::Instance);
46    let imp = instance.imp();
47
48    imp.activate()
49}