gtk/subclass/list_box_row.rs
1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use crate::{ListBoxRow, ffi};
4
5use glib::object::Cast;
6use glib::subclass::prelude::*;
7use glib::translate::*;
8
9use super::bin::BinImpl;
10
11pub trait ListBoxRowImpl: ListBoxRowImplExt + BinImpl {
12 fn activate(&self) {
13 self.parent_activate()
14 }
15}
16
17mod sealed {
18 pub trait Sealed {}
19 impl<T: super::ListBoxRowImpl> Sealed for T {}
20}
21
22pub trait ListBoxRowImplExt: ObjectSubclass + sealed::Sealed {
23 fn parent_activate(&self) {
24 unsafe {
25 let data = Self::type_data();
26 let parent_class = data.as_ref().parent_class() as *mut ffi::GtkListBoxRowClass;
27 if let Some(f) = (*parent_class).activate {
28 f(self.obj().unsafe_cast_ref::<ListBoxRow>().to_glib_none().0)
29 }
30 }
31 }
32}
33
34impl<T: ListBoxRowImpl> ListBoxRowImplExt for T {}
35
36unsafe impl<T: ListBoxRowImpl> IsSubclassable<T> for ListBoxRow {
37 fn class_init(class: &mut ::glib::Class<Self>) {
38 Self::parent_class_init::<T>(class);
39
40 if !crate::rt::is_initialized() {
41 panic!("GTK has to be initialized first");
42 }
43
44 let klass = class.as_mut();
45 klass.activate = Some(list_box_row_activate::<T>);
46 }
47}
48
49unsafe extern "C" fn list_box_row_activate<T: ListBoxRowImpl>(ptr: *mut ffi::GtkListBoxRow) {
50 unsafe {
51 let instance = &*(ptr as *mut T::Instance);
52 let imp = instance.imp();
53
54 imp.activate()
55 }
56}