[gtk/wip/carlosg/font-setting-lookups-4.0] gdk/wayland: Look for font settings recursively

[Carlos Garnacho <carlosg src gnome org>]

commit c6bc0d2005d9d6e1cf54c49b4b4146102d418f80
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Feb 18 16:12:53 2021 +0100

    gdk/wayland: Look for font settings recursively
    
    Use the infrastructure already available to look up keys, instead.
    This does the right thing and looks up the setting across all
    sources.
    
    Fixes: https://gitlab.gnome.org/GNOME/gtk/-/issues/3680

 gdk/wayland/gdkdisplay-wayland.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)
---
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index b261c77fae..c5f9c5821e 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -1548,15 +1548,11 @@ update_xft_settings (GdkDisplay *display)
     }
   else
     {
-      GSettingsSchemaSource *source;
-      GSettingsSchema *schema;
+      TranslationEntry *entry;
 
-      source = g_settings_schema_source_get_default ();
-      schema = g_settings_schema_source_lookup (source,
-                                                "org.gnome.desktop.interface",
-                                                FALSE);
+      entry = find_translation_entry_by_schema ("org.gnome.desktop.interface", "font-antialiasing");
 
-      if (schema && g_settings_schema_has_key (schema, "font-antialiasing"))
+      if (entry && entry->valid)
         {
           settings = g_hash_table_lookup (display_wayland->settings,
                                           "org.gnome.desktop.interface");
@@ -1580,9 +1576,6 @@ update_xft_settings (GdkDisplay *display)
           order = GSD_FONT_RGBA_ORDER_RGB;
         }
 
-      if (schema)
-        g_settings_schema_unref (schema);
-
       dpi = get_dpi_from_gsettings (display_wayland) * 1024;
     }