1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
use crate::subclass::prelude::*;
use crate::{Button, ToggleButton};
use glib::translate::*;
use glib::Cast;
pub trait ToggleButtonImpl: ToggleButtonImplExt + ButtonImpl {
fn toggled(&self, toggle_button: &Self::Type) {
self.parent_toggled(toggle_button)
}
}
pub trait ToggleButtonImplExt: ObjectSubclass {
fn parent_toggled(&self, toggle_button: &Self::Type);
}
impl<T: ToggleButtonImpl> ToggleButtonImplExt for T {
fn parent_toggled(&self, toggle_button: &Self::Type) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkToggleButtonClass;
if let Some(f) = (*parent_class).toggled {
f(toggle_button
.unsafe_cast_ref::<ToggleButton>()
.to_glib_none()
.0)
}
}
}
}
unsafe impl<T: ToggleButtonImpl> IsSubclassable<T> for ToggleButton {
fn class_init(class: &mut glib::Class<Self>) {
<Button as IsSubclassable<T>>::class_init(class);
let klass = class.as_mut();
klass.toggled = Some(toggle_button_toggled::<T>);
}
fn instance_init(instance: &mut glib::subclass::InitializingObject<T>) {
<Button as IsSubclassable<T>>::instance_init(instance);
}
}
unsafe extern "C" fn toggle_button_toggled<T: ToggleButtonImpl>(ptr: *mut ffi::GtkToggleButton) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.impl_();
let wrap: Borrowed<ToggleButton> = from_glib_borrow(ptr);
imp.toggled(wrap.unsafe_cast_ref())
}