gtk4/
editable_label.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::{boxed::Box as Box_, mem::transmute};
4
5use glib::{
6    signal::{connect_raw, SignalHandlerId},
7    translate::*,
8};
9
10use crate::{ffi, prelude::*, EditableLabel};
11
12impl EditableLabel {
13    #[doc(alias = "editing")]
14    pub fn connect_editing_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
15        unsafe extern "C" fn notify_editing_trampoline<F: Fn(&EditableLabel) + 'static>(
16            this: *mut ffi::GtkEditableLabel,
17            _param_spec: glib::ffi::gpointer,
18            f: glib::ffi::gpointer,
19        ) {
20            let f: &F = &*(f as *const F);
21            f(&from_glib_borrow(this))
22        }
23        unsafe {
24            let f: Box_<F> = Box_::new(f);
25            connect_raw(
26                self.as_ptr() as *mut _,
27                b"notify::editing\0".as_ptr() as *const _,
28                Some(transmute::<*const (), unsafe extern "C" fn()>(
29                    notify_editing_trampoline::<F> as *const (),
30                )),
31                Box_::into_raw(f),
32            )
33        }
34    }
35}