gtk/
switch.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use crate::{Switch, ffi};
4use glib::object::{Cast, IsA};
5use glib::signal::{SignalHandlerId, connect_raw};
6use glib::translate::*;
7use std::boxed::Box as Box_;
8use std::mem::transmute;
9
10mod sealed {
11    pub trait Sealed {}
12    impl<T: glib::object::IsA<crate::Switch>> Sealed for T {}
13}
14
15pub trait SwitchExtManual: IsA<Switch> + sealed::Sealed + 'static {
16    fn connect_changed_active<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
17        unsafe extern "C" fn changed_active_trampoline<T, F: Fn(&T) + 'static>(
18            this: *mut ffi::GtkSwitch,
19            _gparamspec: glib::ffi::gpointer,
20            f: glib::ffi::gpointer,
21        ) where
22            T: IsA<Switch>,
23        {
24            unsafe {
25                let f: &F = &*(f as *const F);
26                f(Switch::from_glib_borrow(this).unsafe_cast_ref())
27            }
28        }
29        unsafe {
30            let f: Box_<F> = Box_::new(f);
31            connect_raw(
32                self.to_glib_none().0 as *mut _,
33                c"notify::active".as_ptr() as *mut _,
34                Some(transmute::<*const (), unsafe extern "C" fn()>(
35                    changed_active_trampoline::<Self, F> as *const (),
36                )),
37                Box_::into_raw(f),
38            )
39        }
40    }
41}
42
43impl<O: IsA<Switch>> SwitchExtManual for O {}
gtk/switch.rs

gtk/
switch.rs
