Backport upstream patch to fix a settings schema loading issue on Wayland

https://gitlab.gnome.org/GNOME/gtk/-/issues/3680

0001-gdk-wayland-Look-for-font-settings-recursively.patch

@@ -0,0 +1,50 @@
+From 1fbdfe340ec5108a8c5a1dd1db3442aad3d2e55e Mon Sep 17 00:00:00 2001
+From: Carlos Garnacho <carlosg@gnome.org>
+Date: Thu, 18 Feb 2021 16:12:53 +0100
+Subject: [PATCH] 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 41e8b5f5a7..88fab19d55 100644
+--- a/gdk/wayland/gdkdisplay-wayland.c
++++ b/gdk/wayland/gdkdisplay-wayland.c
+@@ -1590,15 +1590,11 @@ 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");
+@@ -1622,9 +1618,6 @@ 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;
+     }
+ 
+-- 
+2.29.2
+

gtk4.spec

@@ -17,13 +17,16 @@
 
 Name:           gtk4
 Version:        4.1.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        GTK graphical user interface library
 
 License:        LGPLv2+
 URL:            https://www.gtk.org
 Source0:        https://download.gnome.org/sources/gtk/4.1/gtk-%{version}.tar.xz
 
+# Backported from upstream
+Patch0:         0001-gdk-wayland-Look-for-font-settings-recursively.patch
+
 BuildRequires:  cups-devel
 BuildRequires:  desktop-file-utils
 BuildRequires:  docbook-style-xsl
@@ -232,6 +235,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop
 %{_datadir}/gtk-doc
 
 %changelog
+* Fri Feb 19 2021 Kalev Lember <klember@redhat.com> - 4.1.0-3
+- Backport upstream patch to fix a settings schema loading issue on Wayland
+
 * Mon Feb 01 2021 Kalev Lember <klember@redhat.com> - 4.1.0-2
 - Disable asserts and cast checks