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
10pub trait SwitchExtManual: IsA<Switch> + 'static {
11    fn connect_changed_active<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
12        unsafe extern "C" fn changed_active_trampoline<T, F: Fn(&T) + 'static>(
13            this: *mut ffi::GtkSwitch,
14            _gparamspec: glib::ffi::gpointer,
15            f: glib::ffi::gpointer,
16        ) where
17            T: IsA<Switch>,
18        {
19            unsafe {
20                let f: &F = &*(f as *const F);
21                f(Switch::from_glib_borrow(this).unsafe_cast_ref())
22            }
23        }
24        unsafe {
25            let f: Box_<F> = Box_::new(f);
26            connect_raw(
27                self.to_glib_none().0 as *mut _,
28                c"notify::active".as_ptr() as *mut _,
29                Some(transmute::<*const (), unsafe extern "C" fn()>(
30                    changed_active_trampoline::<Self, F> as *const (),
31                )),
32                Box_::into_raw(f),
33            )
34        }
35    }
36}
37
38impl<O: IsA<Switch>> SwitchExtManual for O {}
gtk/switch.rs

gtk/
switch.rs
