gtk4/subclass/popover.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 [`Popover`].
5
6use glib::translate::*;
7
8use crate::{ffi, prelude::*, subclass::prelude::*, Native, Popover, ShortcutManager};
9
10pub trait PopoverImpl:
11 WidgetImpl + ObjectSubclass<Type: IsA<Popover> + IsA<Native> + IsA<ShortcutManager>>
12{
13 fn activate_default(&self) {
14 self.parent_activate_default()
15 }
16
17 fn closed(&self) {
18 self.parent_closed()
19 }
20}
21
22pub trait PopoverImplExt: PopoverImpl {
23 fn parent_activate_default(&self) {
24 unsafe {
25 let data = Self::type_data();
26 let parent_class = data.as_ref().parent_class() as *mut ffi::GtkPopoverClass;
27 if let Some(f) = (*parent_class).activate_default {
28 f(self.obj().unsafe_cast_ref::<Popover>().to_glib_none().0)
29 }
30 }
31 }
32
33 fn parent_closed(&self) {
34 unsafe {
35 let data = Self::type_data();
36 let parent_class = data.as_ref().parent_class() as *mut ffi::GtkPopoverClass;
37 if let Some(f) = (*parent_class).closed {
38 f(self.obj().unsafe_cast_ref::<Popover>().to_glib_none().0)
39 }
40 }
41 }
42}
43
44impl<T: PopoverImpl> PopoverImplExt for T {}
45
46unsafe impl<T: PopoverImpl> IsSubclassable<T> for Popover {
47 fn class_init(class: &mut glib::Class<Self>) {
48 Self::parent_class_init::<T>(class);
49
50 let klass = class.as_mut();
51 klass.activate_default = Some(popover_activate_default::<T>);
52 klass.closed = Some(popover_closed::<T>);
53 }
54}
55
56unsafe extern "C" fn popover_activate_default<T: PopoverImpl>(ptr: *mut ffi::GtkPopover) {
57 let instance = &*(ptr as *mut T::Instance);
58 let imp = instance.imp();
59
60 imp.activate_default()
61}
62
63unsafe extern "C" fn popover_closed<T: PopoverImpl>(ptr: *mut ffi::GtkPopover) {
64 let instance = &*(ptr as *mut T::Instance);
65 let imp = instance.imp();
66
67 imp.closed()
68}