Improve get_entry method

Gir.toml

@@ -953,6 +953,7 @@ status = "generate"
 
 [[object]]
 name = "Gtk.EntryCompletion"
+manual_traits = ["EntryCompletionExtManual"]
 status = "generate"
     [[object.signal]]
     name = "insert-prefix"
@@ -963,6 +964,9 @@ status = "generate"
     [[object.signal]]
     name = "cursor-on-match"
     inhibit = true
+    [[object.function]]
+    name = "get_entry"
+    ignore = true
 
 [[object]]
 name = "Gtk.Expander"

src/entry_completion.rs

@@ -0,0 +1,27 @@
+// Copyright 2019, The Gtk-rs Project Developers.
+// See the COPYRIGHT file at the top-level directory of this distribution.
+// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+
+use glib::Cast;
+use glib::object::IsA;
+use glib::translate::*;
+use gtk_sys;
+use Entry;
+use EntryCompletion;
+use Widget;
+
+pub trait EntryCompletionExtManual: 'static {
+    fn get_entry(&self) -> Option<Entry>;
+}
+
+impl<O: IsA<EntryCompletion>> EntryCompletionExtManual for O {
+    fn get_entry(&self) -> Option<Entry> {
+        let widget: Option<Widget> = unsafe {
+            from_glib_none(gtk_sys::gtk_entry_completion_get_entry(self.as_ref().to_glib_none().0))
+        };
+        match widget {
+            Some(w) => w.downcast().ok(),
+            None => None,
+        }
+    }
+}

src/lib.rs

@@ -230,6 +230,7 @@ mod combo_box;
 mod dialog;
 mod drag_context;
 mod entry_buffer;
+mod entry_completion;
 mod enums;
 mod file_chooser_dialog;
 mod fixed;

src/prelude.rs

@@ -17,6 +17,7 @@ pub use color_chooser::ColorChooserExtManual;
 pub use combo_box::ComboBoxExtManual;
 pub use dialog::DialogExtManual;
 pub use drag_context::DragContextExtManual;
+pub use entry_completion::EntryCompletionExtManual;
 pub use fixed::FixedExtManual;
 #[cfg(any(feature = "v3_18", feature = "dox"))]
 pub use flow_box::FlowBoxExtManual;