1use crate::{ffi, FilterChange, FilterMatch};
6use glib::{
7 object::ObjectType as _,
8 prelude::*,
9 signal::{connect_raw, SignalHandlerId},
10 translate::*,
11};
12use std::boxed::Box as Box_;
13
14glib::wrapper! {
15 #[doc(alias = "GtkFilter")]
16 pub struct Filter(Object<ffi::GtkFilter, ffi::GtkFilterClass>);
17
18 match fn {
19 type_ => || ffi::gtk_filter_get_type(),
20 }
21}
22
23impl Filter {
24 pub const NONE: Option<&'static Filter> = None;
25}
26
27pub trait FilterExt: IsA<Filter> + 'static {
28 #[doc(alias = "gtk_filter_changed")]
29 fn changed(&self, change: FilterChange) {
30 unsafe {
31 ffi::gtk_filter_changed(self.as_ref().to_glib_none().0, change.into_glib());
32 }
33 }
34
35 #[doc(alias = "gtk_filter_get_strictness")]
36 #[doc(alias = "get_strictness")]
37 fn strictness(&self) -> FilterMatch {
38 unsafe {
39 from_glib(ffi::gtk_filter_get_strictness(
40 self.as_ref().to_glib_none().0,
41 ))
42 }
43 }
44
45 #[doc(alias = "gtk_filter_match")]
46 #[doc(alias = "match")]
47 fn match_(&self, item: &impl IsA<glib::Object>) -> bool {
48 unsafe {
49 from_glib(ffi::gtk_filter_match(
50 self.as_ref().to_glib_none().0,
51 item.as_ref().to_glib_none().0,
52 ))
53 }
54 }
55
56 #[doc(alias = "changed")]
57 fn connect_changed<F: Fn(&Self, FilterChange) + 'static>(&self, f: F) -> SignalHandlerId {
58 unsafe extern "C" fn changed_trampoline<
59 P: IsA<Filter>,
60 F: Fn(&P, FilterChange) + 'static,
61 >(
62 this: *mut ffi::GtkFilter,
63 change: ffi::GtkFilterChange,
64 f: glib::ffi::gpointer,
65 ) {
66 let f: &F = &*(f as *const F);
67 f(
68 Filter::from_glib_borrow(this).unsafe_cast_ref(),
69 from_glib(change),
70 )
71 }
72 unsafe {
73 let f: Box_<F> = Box_::new(f);
74 connect_raw(
75 self.as_ptr() as *mut _,
76 c"changed".as_ptr() as *const _,
77 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
78 changed_trampoline::<Self, F> as *const (),
79 )),
80 Box_::into_raw(f),
81 )
82 }
83 }
84}
85
86impl<O: IsA<Filter>> FilterExt for O {}