gtk4/subclass/
check_button.rs

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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 [`CheckButton`].
5
6use glib::translate::*;
7
8use crate::{ffi, prelude::*, subclass::prelude::*, Actionable, CheckButton};
9
10pub trait CheckButtonImpl:
11    WidgetImpl + ObjectSubclass<Type: IsA<CheckButton> + IsA<Actionable>>
12{
13    fn toggled(&self) {
14        self.parent_toggled()
15    }
16
17    #[cfg(feature = "v4_2")]
18    #[cfg_attr(docsrs, doc(cfg(feature = "v4_2")))]
19    fn activate(&self) {
20        self.parent_activate()
21    }
22}
23
24pub trait CheckButtonImplExt: CheckButtonImpl {
25    fn parent_toggled(&self) {
26        unsafe {
27            let data = Self::type_data();
28            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCheckButtonClass;
29            if let Some(f) = (*parent_class).toggled {
30                f(self.obj().unsafe_cast_ref::<CheckButton>().to_glib_none().0)
31            }
32        }
33    }
34
35    #[cfg(feature = "v4_2")]
36    #[cfg_attr(docsrs, doc(cfg(feature = "v4_2")))]
37    fn parent_activate(&self) {
38        unsafe {
39            let data = Self::type_data();
40            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCheckButtonClass;
41            if let Some(f) = (*parent_class).activate {
42                f(self.obj().unsafe_cast_ref::<CheckButton>().to_glib_none().0)
43            }
44        }
45    }
46}
47
48impl<T: CheckButtonImpl> CheckButtonImplExt for T {}
49
50unsafe impl<T: CheckButtonImpl> IsSubclassable<T> for CheckButton {
51    fn class_init(class: &mut glib::Class<Self>) {
52        Self::parent_class_init::<T>(class);
53
54        let klass = class.as_mut();
55        klass.toggled = Some(check_button_toggled::<T>);
56
57        #[cfg(feature = "v4_2")]
58        #[cfg_attr(docsrs, doc(cfg(feature = "v4_2")))]
59        {
60            klass.activate = Some(check_button_activate::<T>);
61        };
62    }
63}
64
65unsafe extern "C" fn check_button_toggled<T: CheckButtonImpl>(ptr: *mut ffi::GtkCheckButton) {
66    let instance = &*(ptr as *mut T::Instance);
67    let imp = instance.imp();
68
69    imp.toggled()
70}
71
72#[cfg(feature = "v4_2")]
73#[cfg_attr(docsrs, doc(cfg(feature = "v4_2")))]
74unsafe extern "C" fn check_button_activate<T: CheckButtonImpl>(ptr: *mut ffi::GtkCheckButton) {
75    let instance = &*(ptr as *mut T::Instance);
76    let imp = instance.imp();
77
78    imp.activate()
79}
gtk4/subclass/check_button.rs

gtk4/subclass/
check_button.rs
