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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::{Buildable, Filter};
use glib::{prelude::*, translate::*};

glib::wrapper! {
    /// [`MultiFilter`][crate::MultiFilter] is the base class for filters that combine multiple filters.
    ///
    /// This is an Abstract Base Class, you cannot instantiate it.
    ///
    /// ## Properties
    ///
    ///
    /// #### `item-type`
    ///  The type of items. See [`ListModelExtManual::item_type()`][crate::gio::prelude::ListModelExtManual::item_type()].
    ///
    /// Readable
    ///
    ///
    /// #### `n-items`
    ///  The number of items. See [`ListModelExtManual::n_items()`][crate::gio::prelude::ListModelExtManual::n_items()].
    ///
    /// Readable
    ///
    /// # Implements
    ///
    /// [`MultiFilterExt`][trait@crate::prelude::MultiFilterExt], [`FilterExt`][trait@crate::prelude::FilterExt], [`trait@glib::ObjectExt`], [`trait@gio::prelude::ListModelExt`], [`BuildableExt`][trait@crate::prelude::BuildableExt]
    #[doc(alias = "GtkMultiFilter")]
    pub struct MultiFilter(Object<ffi::GtkMultiFilter, ffi::GtkMultiFilterClass>) @extends Filter, @implements gio::ListModel, Buildable;

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

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

mod sealed {
    pub trait Sealed {}
    impl<T: super::IsA<super::MultiFilter>> Sealed for T {}
}

/// Trait containing all [`struct@MultiFilter`] methods.
///
/// # Implementors
///
/// [`AnyFilter`][struct@crate::AnyFilter], [`EveryFilter`][struct@crate::EveryFilter], [`MultiFilter`][struct@crate::MultiFilter]
pub trait MultiFilterExt: IsA<MultiFilter> + sealed::Sealed + 'static {
    /// Adds a @filter to @self to use for matching.
    /// ## `filter`
    /// A new filter to use
    #[doc(alias = "gtk_multi_filter_append")]
    fn append(&self, filter: impl IsA<Filter>) {
        unsafe {
            ffi::gtk_multi_filter_append(
                self.as_ref().to_glib_none().0,
                filter.upcast().into_glib_ptr(),
            );
        }
    }

    /// Removes the filter at the given @position from the list of filters used
    /// by @self.
    ///
    /// If @position is larger than the number of filters, nothing happens and
    /// the function returns.
    /// ## `position`
    /// position of filter to remove
    #[doc(alias = "gtk_multi_filter_remove")]
    fn remove(&self, position: u32) {
        unsafe {
            ffi::gtk_multi_filter_remove(self.as_ref().to_glib_none().0, position);
        }
    }
}

impl<O: IsA<MultiFilter>> MultiFilterExt for O {}