[mutter] wayland/pointer: Use g_signal_connect_swapped for one signal

[Jonas Ådahl <jadahl src gnome org>]

commit ad8ba69423f138f3570ed558a3b6315226d34556
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Wed Feb 19 21:21:29 2020 +0100

    wayland/pointer: Use g_signal_connect_swapped for one signal
    
    Remove the rather useless callback function that's currently used for
    handling the "visibility-changed" signal and instead connect to the
    signal using `g_signal_connect_swapped()`.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/1077

 src/wayland/meta-wayland-pointer.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)
---
diff --git a/src/wayland/meta-wayland-pointer.c b/src/wayland/meta-wayland-pointer.c
index 5ef36a9f3..d30085202 100644
--- a/src/wayland/meta-wayland-pointer.c
+++ b/src/wayland/meta-wayland-pointer.c
@@ -494,13 +494,6 @@ meta_wayland_pointer_on_cursor_changed (MetaCursorTracker *cursor_tracker,
     meta_wayland_surface_update_outputs (pointer->cursor_surface);
 }
 
-static void
-meta_wayland_pointer_on_cursor_visibility_changed (MetaCursorTracker  *cursor_tracker,
-                                                   MetaWaylandPointer *pointer)
-{
-  sync_focus_surface (pointer);
-}
-
 void
 meta_wayland_pointer_enable (MetaWaylandPointer *pointer)
 {
@@ -522,10 +515,10 @@ meta_wayland_pointer_enable (MetaWaylandPointer *pointer)
                     G_CALLBACK (meta_wayland_pointer_on_cursor_changed),
                     pointer);
 
-  g_signal_connect (cursor_tracker,
-                    "visibility-changed",
-                    G_CALLBACK (meta_wayland_pointer_on_cursor_visibility_changed),
-                    pointer);
+  g_signal_connect_swapped (cursor_tracker,
+                            "visibility-changed",
+                            G_CALLBACK (sync_focus_surface),
+                            pointer);
 
   g_signal_connect_swapped (clutter_seat,
                             "is-unfocus-inhibited-changed",
@@ -546,7 +539,7 @@ meta_wayland_pointer_disable (MetaWaylandPointer *pointer)
                                         pointer);
 
   g_signal_handlers_disconnect_by_func (cursor_tracker,
-                                        meta_wayland_pointer_on_cursor_visibility_changed,
+                                        sync_focus_surface,
                                         pointer);
 
   g_signal_handlers_disconnect_by_func (clutter_seat,