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gtk4/
signal_list_item_factory.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3#[cfg(not(feature = "v4_8"))]
4use std::{boxed::Box as Box_, mem::transmute};
5
6#[cfg(not(feature = "v4_8"))]
7use glib::{
8    signal::{SignalHandlerId, connect_raw},
9    translate::*,
10};
11
12use crate::SignalListItemFactory;
13#[cfg(not(feature = "v4_8"))]
14use crate::{ListItem, ffi, prelude::*};
15
16impl SignalListItemFactory {
17    #[doc(alias = "bind")]
18    #[cfg(not(feature = "v4_8"))]
19    pub fn connect_bind<F: Fn(&Self, &ListItem) + 'static>(&self, f: F) -> SignalHandlerId {
20        unsafe extern "C" fn bind_trampoline<F: Fn(&SignalListItemFactory, &ListItem) + 'static>(
21            this: *mut ffi::GtkSignalListItemFactory,
22            listitem: *mut ffi::GtkListItem,
23            f: glib::ffi::gpointer,
24        ) {
25            unsafe {
26                let f: &F = &*(f as *const F);
27                f(&from_glib_borrow(this), &from_glib_borrow(listitem))
28            }
29        }
30        unsafe {
31            let f: Box_<F> = Box_::new(f);
32            connect_raw(
33                self.as_ptr() as *mut _,
34                c"bind".as_ptr() as *const _,
35                Some(transmute::<*const (), unsafe extern "C" fn()>(
36                    bind_trampoline::<F> as *const (),
37                )),
38                Box_::into_raw(f),
39            )
40        }
41    }
42
43    #[doc(alias = "setup")]
44    #[cfg(not(feature = "v4_8"))]
45    pub fn connect_setup<F: Fn(&Self, &ListItem) + 'static>(&self, f: F) -> SignalHandlerId {
46        unsafe extern "C" fn setup_trampoline<
47            F: Fn(&SignalListItemFactory, &ListItem) + 'static,
48        >(
49            this: *mut ffi::GtkSignalListItemFactory,
50            listitem: *mut ffi::GtkListItem,
51            f: glib::ffi::gpointer,
52        ) {
53            unsafe {
54                let f: &F = &*(f as *const F);
55                f(&from_glib_borrow(this), &from_glib_borrow(listitem))
56            }
57        }
58        unsafe {
59            let f: Box_<F> = Box_::new(f);
60            connect_raw(
61                self.as_ptr() as *mut _,
62                c"setup".as_ptr() as *const _,
63                Some(transmute::<*const (), unsafe extern "C" fn()>(
64                    setup_trampoline::<F> as *const (),
65                )),
66                Box_::into_raw(f),
67            )
68        }
69    }
70
71    #[doc(alias = "teardown")]
72    #[cfg(not(feature = "v4_8"))]
73    pub fn connect_teardown<F: Fn(&Self, &ListItem) + 'static>(&self, f: F) -> SignalHandlerId {
74        unsafe extern "C" fn teardown_trampoline<
75            F: Fn(&SignalListItemFactory, &ListItem) + 'static,
76        >(
77            this: *mut ffi::GtkSignalListItemFactory,
78            listitem: *mut ffi::GtkListItem,
79            f: glib::ffi::gpointer,
80        ) {
81            unsafe {
82                let f: &F = &*(f as *const F);
83                f(&from_glib_borrow(this), &from_glib_borrow(listitem))
84            }
85        }
86        unsafe {
87            let f: Box_<F> = Box_::new(f);
88            connect_raw(
89                self.as_ptr() as *mut _,
90                c"teardown".as_ptr() as *const _,
91                Some(transmute::<*const (), unsafe extern "C" fn()>(
92                    teardown_trampoline::<F> as *const (),
93                )),
94                Box_::into_raw(f),
95            )
96        }
97    }
98
99    #[doc(alias = "unbind")]
100    #[cfg(not(feature = "v4_8"))]
101    pub fn connect_unbind<F: Fn(&Self, &ListItem) + 'static>(&self, f: F) -> SignalHandlerId {
102        unsafe extern "C" fn unbind_trampoline<
103            F: Fn(&SignalListItemFactory, &ListItem) + 'static,
104        >(
105            this: *mut ffi::GtkSignalListItemFactory,
106            listitem: *mut ffi::GtkListItem,
107            f: glib::ffi::gpointer,
108        ) {
109            unsafe {
110                let f: &F = &*(f as *const F);
111                f(&from_glib_borrow(this), &from_glib_borrow(listitem))
112            }
113        }
114        unsafe {
115            let f: Box_<F> = Box_::new(f);
116            connect_raw(
117                self.as_ptr() as *mut _,
118                c"unbind".as_ptr() as *const _,
119                Some(transmute::<*const (), unsafe extern "C" fn()>(
120                    unbind_trampoline::<F> as *const (),
121                )),
122                Box_::into_raw(f),
123            )
124        }
125    }
126}