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use crate::CustomFilter;
use glib::translate::*;
use std::ptr;
impl CustomFilter {
#[doc(alias = "gtk_custom_filter_new")]
pub fn new<F>(filter_func: F) -> Self
where
F: Fn(&glib::Object) -> bool + 'static,
{
assert_initialized_main_thread!();
unsafe {
from_glib_full(ffi::gtk_custom_filter_new(
Some(trampoline::<F>),
Box::into_raw(Box::new(filter_func)) as *mut _,
Some(destroy_closure::<F>),
))
}
}
#[doc(alias = "gtk_custom_filter_set_filter_func")]
pub fn set_filter_func<F>(&self, filter_func: F)
where
F: Fn(&glib::Object) -> bool + 'static,
{
unsafe {
ffi::gtk_custom_filter_set_filter_func(
self.to_glib_none().0,
Some(trampoline::<F>),
Box::into_raw(Box::new(filter_func)) as *mut _,
Some(destroy_closure::<F>),
)
}
}
#[doc(alias = "gtk_custom_filter_set_filter_func")]
#[doc(alias = "set_filter_func")]
pub fn unset_filter_func(&self) {
unsafe {
ffi::gtk_custom_filter_set_filter_func(
self.to_glib_none().0,
None,
ptr::null_mut(),
None,
)
}
}
}
impl Default for CustomFilter {
fn default() -> Self {
assert_initialized_main_thread!();
unsafe { from_glib_full(ffi::gtk_custom_filter_new(None, ptr::null_mut(), None)) }
}
}
unsafe extern "C" fn destroy_closure<F: Fn(&glib::Object) -> bool + 'static>(
ptr: glib::ffi::gpointer,
) {
Box::<F>::from_raw(ptr as *mut _);
}
unsafe extern "C" fn trampoline<F: Fn(&glib::Object) -> bool + 'static>(
item: *mut glib::gobject_ffi::GObject,
f: glib::ffi::gpointer,
) -> glib::ffi::gboolean {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(item)).into_glib()
}