[gnome-text-editor] spellcheck: create languages menu model once

[Christian Hergert <chergert src gnome org>]

commit c75acd8493de38adac582370aa567a3557c2a4e9
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jun 24 14:02:41 2022 -0700

    spellcheck: create languages menu model once

 src/editor-spell-menu.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)
---
diff --git a/src/editor-spell-menu.c b/src/editor-spell-menu.c
index 228d165..c1ee5a5 100644
--- a/src/editor-spell-menu.c
+++ b/src/editor-spell-menu.c
@@ -241,14 +241,23 @@ populate_languages (GMenu *menu)
 GMenuModel *
 editor_spell_menu_new (void)
 {
+  static GMenu *languages_menu;
+  static GMenuItem *languages_item;
   g_autoptr(GMenu) menu = g_menu_new ();
   g_autoptr(GMenuModel) corrections_menu = editor_spell_corrections_new ();
-  g_autoptr(GMenu) languages_menu = g_menu_new ();
-  g_autoptr(GMenuItem) languages_item = g_menu_item_new_submenu (_("Languages"), G_MENU_MODEL 
(languages_menu));
   g_autoptr(GMenuItem) add_item = g_menu_item_new (_("Add to Dictionary"), "spelling.add");
   g_autoptr(GMenuItem) ignore_item = g_menu_item_new (_("Ignore"), "spelling.ignore");
   g_autoptr(GMenuItem) check_item = g_menu_item_new (_("Check Spelling"), "spelling.enabled");
 
+  if (languages_menu == NULL)
+    {
+      languages_menu = g_menu_new ();
+      populate_languages (languages_menu);
+    }
+
+  if (languages_item == NULL)
+    languages_item = g_menu_item_new_submenu (_("Languages"), G_MENU_MODEL (languages_menu));
+
   g_menu_item_set_attribute (add_item, "hidden-when", "s", "action-disabled");
   g_menu_item_set_attribute (ignore_item, "hidden-when", "s", "action-disabled");
   g_menu_item_set_attribute (check_item, "role", "s", "check");
@@ -260,13 +269,6 @@ editor_spell_menu_new (void)
   g_menu_append_item (menu, check_item);
   g_menu_append_item (menu, languages_item);
 
-  populate_languages (languages_menu);
-
-  g_object_set_data_full (G_OBJECT (menu),
-                          "LANGUAGES_MENU",
-                          g_object_ref (languages_menu),
-                          g_object_unref);
-
   g_object_set_data_full (G_OBJECT (menu),
                           "CORRECTIONS_MENU",
                           g_object_ref (corrections_menu),