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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)
// DO NOT EDIT

use crate::Sorter;
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// [`TreeListRowSorter`][crate::TreeListRowSorter] is a special-purpose sorter that will apply a given
    /// sorter to the levels in a tree.
    ///
    /// Here is an example for setting up a column view with a tree model and
    /// a `GtkTreeListSorter`:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// column_sorter = gtk_column_view_get_sorter (view);
    /// sorter = gtk_tree_list_row_sorter_new (g_object_ref (column_sorter));
    /// sort_model = gtk_sort_list_model_new (tree_model, sorter);
    /// selection = gtk_single_selection_new (sort_model);
    /// gtk_column_view_set_model (view, G_LIST_MODEL (selection));
    /// ```
    ///
    /// ## Properties
    ///
    ///
    /// #### `sorter`
    ///  The underlying sorter
    ///
    /// Readable | Writeable
    ///
    /// # Implements
    ///
    /// [`SorterExt`][trait@crate::prelude::SorterExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "GtkTreeListRowSorter")]
    pub struct TreeListRowSorter(Object<ffi::GtkTreeListRowSorter, ffi::GtkTreeListRowSorterClass>) @extends Sorter;

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

impl TreeListRowSorter {
    /// Create a special-purpose sorter that applies the sorting
    /// of @sorter to the levels of a [`TreeListModel`][crate::TreeListModel].
    ///
    /// Note that this sorter relies on [`passthrough`][struct@crate::TreeListModel#passthrough]
    /// being [`false`] as it can only sort [`TreeListRow`][crate::TreeListRow]s.
    /// ## `sorter`
    /// a [`Sorter`][crate::Sorter]
    ///
    /// # Returns
    ///
    /// a new [`TreeListRowSorter`][crate::TreeListRowSorter]
    #[doc(alias = "gtk_tree_list_row_sorter_new")]
    pub fn new(sorter: Option<impl IsA<Sorter>>) -> TreeListRowSorter {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gtk_tree_list_row_sorter_new(
                sorter.map(|p| p.upcast()).into_glib_ptr(),
            ))
        }
    }

    /// Returns the sorter used by @self.
    ///
    /// # Returns
    ///
    /// the sorter used
    #[doc(alias = "gtk_tree_list_row_sorter_get_sorter")]
    #[doc(alias = "get_sorter")]
    pub fn sorter(&self) -> Option<Sorter> {
        unsafe {
            from_glib_none(ffi::gtk_tree_list_row_sorter_get_sorter(
                self.to_glib_none().0,
            ))
        }
    }

    /// Sets the sorter to use for items with the same parent.
    ///
    /// This sorter will be passed the [`item`][struct@crate::TreeListRow#item] of
    /// the tree list rows passed to @self.
    /// ## `sorter`
    /// The sorter to use
    #[doc(alias = "gtk_tree_list_row_sorter_set_sorter")]
    pub fn set_sorter(&self, sorter: Option<&impl IsA<Sorter>>) {
        unsafe {
            ffi::gtk_tree_list_row_sorter_set_sorter(
                self.to_glib_none().0,
                sorter.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    #[doc(alias = "sorter")]
    pub fn connect_sorter_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_sorter_trampoline<F: Fn(&TreeListRowSorter) + 'static>(
            this: *mut ffi::GtkTreeListRowSorter,
            _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::sorter\0".as_ptr() as *const _,
                Some(std::mem::transmute::<_, unsafe extern "C" fn()>(
                    notify_sorter_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}