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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 crate::Buildable;
use crate::Filter;
use glib::object::IsA;
use glib::translate::*;
use std::fmt;

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.
    ///
    /// # 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(),
    }
}

pub const NONE_MULTI_FILTER: Option<&MultiFilter> = None;

/// Trait containing all [`struct@MultiFilter`] methods.
///
/// # Implementors
///
/// [`AnyFilter`][struct@crate::AnyFilter], [`EveryFilter`][struct@crate::EveryFilter], [`MultiFilter`][struct@crate::MultiFilter]
pub trait MultiFilterExt: '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>);

    /// 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);
}

impl<O: IsA<MultiFilter>> MultiFilterExt for O {
    fn append(&self, filter: &impl IsA<Filter>) {
        unsafe {
            ffi::gtk_multi_filter_append(
                self.as_ref().to_glib_none().0,
                filter.as_ref().to_glib_full(),
            );
        }
    }

    fn remove(&self, position: u32) {
        unsafe {
            ffi::gtk_multi_filter_remove(self.as_ref().to_glib_none().0, position);
        }
    }
}

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