use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::{boxed::Box as Box_, fmt, mem::transmute};
glib::wrapper! {
#[doc(alias = "GListModel")]
pub struct ListModel(Interface<ffi::GListModel, ffi::GListModelInterface>);
match fn {
type_ => || ffi::g_list_model_get_type(),
}
}
impl ListModel {
pub const NONE: Option<&'static ListModel> = None;
}
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::ListModel>> Sealed for T {}
}
pub trait ListModelExt: IsA<ListModel> + sealed::Sealed + 'static {
#[doc(alias = "g_list_model_get_item_type")]
#[doc(alias = "get_item_type")]
fn item_type(&self) -> glib::types::Type {
unsafe {
from_glib(ffi::g_list_model_get_item_type(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "g_list_model_get_n_items")]
#[doc(alias = "get_n_items")]
fn n_items(&self) -> u32 {
unsafe { ffi::g_list_model_get_n_items(self.as_ref().to_glib_none().0) }
}
#[doc(alias = "g_list_model_get_object")]
#[doc(alias = "get_object")]
fn item(&self, position: u32) -> Option<glib::Object> {
unsafe {
from_glib_full(ffi::g_list_model_get_object(
self.as_ref().to_glib_none().0,
position,
))
}
}
#[doc(alias = "g_list_model_items_changed")]
fn items_changed(&self, position: u32, removed: u32, added: u32) {
unsafe {
ffi::g_list_model_items_changed(
self.as_ref().to_glib_none().0,
position,
removed,
added,
);
}
}
#[doc(alias = "items-changed")]
fn connect_items_changed<F: Fn(&Self, u32, u32, u32) + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn items_changed_trampoline<
P: IsA<ListModel>,
F: Fn(&P, u32, u32, u32) + 'static,
>(
this: *mut ffi::GListModel,
position: libc::c_uint,
removed: libc::c_uint,
added: libc::c_uint,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(
ListModel::from_glib_borrow(this).unsafe_cast_ref(),
position,
removed,
added,
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"items-changed\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
items_changed_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl<O: IsA<ListModel>> ListModelExt for O {}
impl fmt::Display for ListModel {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("ListModel")
}
}