[mutter] xkb-a11y/x11: Get X11 display from X11 backend

[Marge Bot <marge-bot src gnome org>]

commit c41d2a17da8bfba03a22e285e3de03fd678f5328
Author: Jonas Ådahl <jadahl gmail com>
Date:   Fri Sep 17 21:31:20 2021 +0200

    xkb-a11y/x11: Get X11 display from X11 backend
    
    Instead of from ClutterX11.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2014>

 src/backends/x11/meta-xkb-a11y-x11.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)
---
diff --git a/src/backends/x11/meta-xkb-a11y-x11.c b/src/backends/x11/meta-xkb-a11y-x11.c
index 32ad17d575..31313774c4 100644
--- a/src/backends/x11/meta-xkb-a11y-x11.c
+++ b/src/backends/x11/meta-xkb-a11y-x11.c
@@ -27,7 +27,9 @@
 #include <X11/XKBlib.h>
 #include <X11/extensions/XKBstr.h>
 
+#include "backends/x11/meta-backend-x11.h"
 #include "backends/x11/meta-clutter-backend-x11.h"
+#include "backends/x11/meta-seat-x11.h"
 #include "core/display-private.h"
 #include "meta/meta-x11-errors.h"
 
@@ -43,6 +45,15 @@
 
 static int _xkb_event_base;
 
+static Display *
+xdisplay_from_seat (ClutterSeat *seat)
+{
+  MetaSeatX11 *seat_x11 = META_SEAT_X11 (seat);
+  MetaBackend *backend = meta_seat_x11_get_backend (META_SEAT_X11 (seat_x11));
+
+  return meta_backend_x11_get_xdisplay (META_BACKEND_X11 (backend));
+}
+
 static XkbDescRec *
 get_xkb_desc_rec (Display *xdisplay)
 {
@@ -78,7 +89,7 @@ set_xkb_desc_rec (Display    *xdisplay,
 static void
 check_settings_changed (ClutterSeat *seat)
 {
-  Display *xdisplay = meta_clutter_x11_get_default_display ();
+  Display *xdisplay = xdisplay_from_seat (seat);
   MetaKbdA11ySettings kbd_a11y_settings;
   MetaKeyboardA11yFlags what_changed = 0;
   MetaInputSettings *input_settings;
@@ -206,7 +217,7 @@ void
 meta_seat_x11_apply_kbd_a11y_settings (ClutterSeat         *seat,
                                        MetaKbdA11ySettings *kbd_a11y_settings)
 {
-  Display *xdisplay = meta_clutter_x11_get_default_display ();
+  Display *xdisplay = xdisplay_from_seat (seat);
   XkbDescRec *desc;
   gboolean enable_accessX;
 
@@ -328,7 +339,7 @@ meta_seat_x11_a11y_init (ClutterSeat *seat)
   ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
   MetaClutterBackendX11 *clutter_backend_x11 =
     META_CLUTTER_BACKEND_X11 (clutter_backend);
-  Display *xdisplay = meta_clutter_x11_get_default_display ();
+  Display *xdisplay = xdisplay_from_seat (seat);
   guint event_mask;
 
   if (!is_xkb_available (xdisplay))