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use crate::subclass::prelude::*;
use crate::{Filter, FilterMatch};
use glib::translate::*;
use glib::{Cast, Object};
pub trait FilterImpl: FilterImplExt + ObjectImpl {
#[doc(alias = "get_strictness")]
fn strictness(&self) -> FilterMatch {
self.parent_strictness()
}
fn match_(&self, item: &Object) -> bool {
self.parent_match_(item)
}
}
pub trait FilterImplExt: ObjectSubclass {
fn parent_strictness(&self) -> FilterMatch;
fn parent_match_(&self, item: &Object) -> bool;
}
impl<T: FilterImpl> FilterImplExt for T {
fn parent_strictness(&self) -> FilterMatch {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkFilterClass;
let f = (*parent_class)
.get_strictness
.expect("No parent class impl for \"get_strictness\"");
from_glib(f(self.obj().unsafe_cast_ref::<Filter>().to_glib_none().0))
}
}
fn parent_match_(&self, item: &Object) -> bool {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkFilterClass;
let f = (*parent_class)
.match_
.expect("No parent class impl for \"match\"");
from_glib(f(
self.obj().unsafe_cast_ref::<Filter>().to_glib_none().0,
item.to_glib_none().0,
))
}
}
}
unsafe impl<T: FilterImpl> IsSubclassable<T> for Filter {
fn class_init(class: &mut glib::Class<Self>) {
Self::parent_class_init::<T>(class);
assert!(
crate::rt::is_initialized(),
"GTK has to be initialized first"
);
let klass = class.as_mut();
klass.match_ = Some(filter_match::<T>);
klass.get_strictness = Some(filter_get_strictness::<T>);
}
}
unsafe extern "C" fn filter_get_strictness<T: FilterImpl>(
ptr: *mut ffi::GtkFilter,
) -> ffi::GtkFilterMatch {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.strictness().into_glib()
}
unsafe extern "C" fn filter_match<T: FilterImpl>(
ptr: *mut ffi::GtkFilter,
itemptr: *mut glib::gobject_ffi::GObject,
) -> glib::ffi::gboolean {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.match_(&from_glib_borrow(itemptr)).into_glib()
}