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use crate::FilterChange;
use crate::FilterMatch;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
glib::wrapper! {
#[doc(alias = "GtkFilter")]
pub struct Filter(Object<ffi::GtkFilter, ffi::GtkFilterClass>);
match fn {
type_ => || ffi::gtk_filter_get_type(),
}
}
impl Filter {
pub const NONE: Option<&'static Filter> = None;
}
pub trait FilterExt: 'static {
#[doc(alias = "gtk_filter_changed")]
fn changed(&self, change: FilterChange);
#[doc(alias = "gtk_filter_get_strictness")]
#[doc(alias = "get_strictness")]
fn strictness(&self) -> FilterMatch;
#[doc(alias = "gtk_filter_match")]
#[doc(alias = "match")]
fn match_(&self, item: &impl IsA<glib::Object>) -> bool;
#[doc(alias = "changed")]
fn connect_changed<F: Fn(&Self, FilterChange) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<Filter>> FilterExt for O {
fn changed(&self, change: FilterChange) {
unsafe {
ffi::gtk_filter_changed(self.as_ref().to_glib_none().0, change.into_glib());
}
}
fn strictness(&self) -> FilterMatch {
unsafe {
from_glib(ffi::gtk_filter_get_strictness(
self.as_ref().to_glib_none().0,
))
}
}
fn match_(&self, item: &impl IsA<glib::Object>) -> bool {
unsafe {
from_glib(ffi::gtk_filter_match(
self.as_ref().to_glib_none().0,
item.as_ref().to_glib_none().0,
))
}
}
fn connect_changed<F: Fn(&Self, FilterChange) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn changed_trampoline<
P: IsA<Filter>,
F: Fn(&P, FilterChange) + 'static,
>(
this: *mut ffi::GtkFilter,
change: ffi::GtkFilterChange,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(
Filter::from_glib_borrow(this).unsafe_cast_ref(),
from_glib(change),
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"changed\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
changed_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for Filter {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("Filter")
}
}