libadwaita/subclass/
dialog.rs

1use glib::subclass::prelude::*;
2use glib::translate::*;
3
4use crate::{prelude::*, Dialog};
5use gtk::subclass::prelude::WidgetImpl;
6
7pub trait AdwDialogImpl: WidgetImpl + ObjectSubclass<Type: IsA<Dialog>> {
8    fn close_attempt(&self) {
9        AdwDialogImplExt::parent_close_attempt(self)
10    }
11
12    fn closed(&self) {
13        AdwDialogImplExt::parent_closed(self)
14    }
15}
16
17pub trait AdwDialogImplExt: AdwDialogImpl {
18    fn parent_close_attempt(&self) {
19        unsafe {
20            let data = Self::type_data();
21            let parent_class = data.as_ref().parent_class() as *mut ffi::AdwDialogClass;
22            if let Some(f) = (*parent_class).close_attempt {
23                f(self.obj().unsafe_cast_ref::<Dialog>().to_glib_none().0)
24            }
25        }
26    }
27
28    fn parent_closed(&self) {
29        unsafe {
30            let data = Self::type_data();
31            let parent_class = data.as_ref().parent_class() as *mut ffi::AdwDialogClass;
32            if let Some(f) = (*parent_class).closed {
33                f(self.obj().unsafe_cast_ref::<Dialog>().to_glib_none().0)
34            }
35        }
36    }
37}
38
39impl<T: AdwDialogImpl> AdwDialogImplExt for T {}
40
41unsafe impl<T: AdwDialogImpl> IsSubclassable<T> for Dialog {
42    fn class_init(class: &mut glib::Class<Self>) {
43        Self::parent_class_init::<T>(class);
44
45        let klass = class.as_mut();
46        klass.close_attempt = Some(close_attempt::<T>);
47        klass.closed = Some(closed::<T>);
48    }
49}
50
51unsafe extern "C" fn close_attempt<T: AdwDialogImpl>(ptr: *mut ffi::AdwDialog) {
52    let instance = unsafe { &*(ptr as *mut T::Instance) };
53    let imp = instance.imp();
54
55    AdwDialogImpl::close_attempt(imp)
56}
57
58unsafe extern "C" fn closed<T: AdwDialogImpl>(ptr: *mut ffi::AdwDialog) {
59    let instance = unsafe { &*(ptr as *mut T::Instance) };
60    let imp = instance.imp();
61
62    AdwDialogImpl::closed(imp)
63}
libadwaita/subclass/dialog.rs

libadwaita/subclass/
dialog.rs
