// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::{Ordering, SorterChange, SorterOrder, ffi};
use glib::{
    object::ObjectType as _,
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    #[doc(alias = "GtkSorter")]
    pub struct Sorter(Object<ffi::GtkSorter, ffi::GtkSorterClass>);

    match fn {
        type_ => || ffi::gtk_sorter_get_type(),
    }
}

impl Sorter {
    pub const NONE: Option<&'static Sorter> = None;
}

pub trait SorterExt: IsA<Sorter> + 'static {
    #[doc(alias = "gtk_sorter_changed")]
    fn changed(&self, change: SorterChange) {
        unsafe {
            ffi::gtk_sorter_changed(self.as_ref().to_glib_none().0, change.into_glib());
        }
    }

    #[doc(alias = "gtk_sorter_compare")]
    fn compare(&self, item1: &impl IsA<glib::Object>, item2: &impl IsA<glib::Object>) -> Ordering {
        unsafe {
            from_glib(ffi::gtk_sorter_compare(
                self.as_ref().to_glib_none().0,
                item1.as_ref().to_glib_none().0,
                item2.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "gtk_sorter_get_order")]
    #[doc(alias = "get_order")]
    fn order(&self) -> SorterOrder {
        unsafe { from_glib(ffi::gtk_sorter_get_order(self.as_ref().to_glib_none().0)) }
    }

    #[doc(alias = "changed")]
    fn connect_changed<F: Fn(&Self, SorterChange) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn changed_trampoline<
            P: IsA<Sorter>,
            F: Fn(&P, SorterChange) + 'static,
        >(
            this: *mut ffi::GtkSorter,
            change: ffi::GtkSorterChange,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    Sorter::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 _,
                c"changed".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    changed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<Sorter>> SorterExt for O {}
