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// Take a look at the license at the top of the repository in the LICENSE file.

use crate::Entry;
use crate::EntryCompletion;
use crate::Widget;
use glib::object::IsA;
use glib::translate::*;
use glib::Cast;

mod sealed {
    pub trait Sealed {}
    impl<T: glib::IsA<crate::EntryCompletion>> Sealed for T {}
}

pub trait EntryCompletionExtManual: IsA<EntryCompletion> + sealed::Sealed + 'static {
    #[doc(alias = "gtk_entry_completion_get_entry")]
    #[doc(alias = "get_entry")]
    fn entry(&self) -> Option<Entry> {
        unsafe {
            Option::<Widget>::from_glib_none(ffi::gtk_entry_completion_get_entry(
                self.as_ref().to_glib_none().0,
            ))
            .map(|widget| {
                widget
                    .downcast()
                    .expect("Non-Entry widget received from get_entry method")
            })
        }
    }
}

impl<O: IsA<EntryCompletion>> EntryCompletionExtManual for O {}