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

use glib::object::IsA;
use glib::object::ObjectType as ObjectType_;
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! {
    /// [`FlattenListModel`][crate::FlattenListModel] is a list model that concatenates other list models.
    ///
    /// [`FlattenListModel`][crate::FlattenListModel] takes a list model containing list models,
    ///  and flattens it into a single model.
    ///
    /// # Implements
    ///
    /// [`trait@glib::ObjectExt`], [`trait@gio::prelude::ListModelExt`]
    #[doc(alias = "GtkFlattenListModel")]
    pub struct FlattenListModel(Object<ffi::GtkFlattenListModel, ffi::GtkFlattenListModelClass>) @implements gio::ListModel;

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

impl FlattenListModel {
    /// Creates a new [`FlattenListModel`][crate::FlattenListModel] that flattens `list`.
    /// ## `model`
    /// the model to be flattened
    ///
    /// # Returns
    ///
    /// a new [`FlattenListModel`][crate::FlattenListModel]
    #[doc(alias = "gtk_flatten_list_model_new")]
    pub fn new<P: IsA<gio::ListModel>>(model: Option<&P>) -> FlattenListModel {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gtk_flatten_list_model_new(
                model.map(|p| p.as_ref()).to_glib_full(),
            ))
        }
    }

    /// Gets the model set via [`set_model()`][Self::set_model()].
    ///
    /// # Returns
    ///
    /// The model flattened by `self`
    #[doc(alias = "gtk_flatten_list_model_get_model")]
    #[doc(alias = "get_model")]
    pub fn model(&self) -> Option<gio::ListModel> {
        unsafe { from_glib_none(ffi::gtk_flatten_list_model_get_model(self.to_glib_none().0)) }
    }

    /// Returns the model containing the item at the given position.
    /// ## `position`
    /// a position
    ///
    /// # Returns
    ///
    /// the model containing the item at `position`
    #[doc(alias = "gtk_flatten_list_model_get_model_for_item")]
    #[doc(alias = "get_model_for_item")]
    pub fn model_for_item(&self, position: u32) -> Option<gio::ListModel> {
        unsafe {
            from_glib_none(ffi::gtk_flatten_list_model_get_model_for_item(
                self.to_glib_none().0,
                position,
            ))
        }
    }

    /// Sets a new model to be flattened.
    /// ## `model`
    /// the new model
    #[doc(alias = "gtk_flatten_list_model_set_model")]
    pub fn set_model<P: IsA<gio::ListModel>>(&self, model: Option<&P>) {
        unsafe {
            ffi::gtk_flatten_list_model_set_model(
                self.to_glib_none().0,
                model.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    #[doc(alias = "model")]
    pub fn connect_model_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_model_trampoline<F: Fn(&FlattenListModel) + 'static>(
            this: *mut ffi::GtkFlattenListModel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::model\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_model_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl fmt::Display for FlattenListModel {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("FlattenListModel")
    }
}