gtk4/subclass/
dialog.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 [`Dialog`].
5
6use glib::translate::*;
7
8use crate::{ffi, prelude::*, subclass::prelude::*, Dialog, ResponseType};
9
10pub trait DialogImpl: WindowImpl + ObjectSubclass<Type: IsA<Dialog>> {
11    fn response(&self, response: ResponseType) {
12        self.parent_response(response)
13    }
14
15    fn close(&self) {
16        self.parent_close()
17    }
18}
19
20pub trait DialogImplExt: DialogImpl {
21    fn parent_response(&self, response: ResponseType) {
22        unsafe {
23            let data = Self::type_data();
24            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkDialogClass;
25            if let Some(f) = (*parent_class).response {
26                f(
27                    self.obj().unsafe_cast_ref::<Dialog>().to_glib_none().0,
28                    response.into_glib(),
29                )
30            }
31        }
32    }
33
34    fn parent_close(&self) {
35        unsafe {
36            let data = Self::type_data();
37            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkDialogClass;
38            if let Some(f) = (*parent_class).close {
39                f(self.obj().unsafe_cast_ref::<Dialog>().to_glib_none().0)
40            }
41        }
42    }
43}
44
45impl<T: DialogImpl> DialogImplExt for T {}
46
47unsafe impl<T: DialogImpl> IsSubclassable<T> for Dialog {
48    fn class_init(class: &mut glib::Class<Self>) {
49        Self::parent_class_init::<T>(class);
50
51        let klass = class.as_mut();
52        klass.response = Some(dialog_response::<T>);
53        klass.close = Some(dialog_close::<T>);
54    }
55}
56
57unsafe extern "C" fn dialog_response<T: DialogImpl>(ptr: *mut ffi::GtkDialog, responseptr: i32) {
58    let instance = &*(ptr as *mut T::Instance);
59    let imp = instance.imp();
60    let res: ResponseType = from_glib(responseptr);
61
62    imp.response(res)
63}
64
65unsafe extern "C" fn dialog_close<T: DialogImpl>(ptr: *mut ffi::GtkDialog) {
66    let instance = &*(ptr as *mut T::Instance);
67    let imp = instance.imp();
68
69    imp.close()
70}
gtk4/subclass/dialog.rs

gtk4/subclass/
dialog.rs
