compositor: Trigger repick after window effects here

Just because of implementation details, this is only relevant to Wayland,
and is done via ::effects-completed handlers there. Ideally, Clutter should
notice by itself about effects starting, finishing, and affecting picking.
Doing this in generic code seems slightly cleaner in the interim.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1654>

src/compositor/meta-window-actor.c

@@ -659,16 +659,24 @@ meta_window_actor_after_effects (MetaWindowActor *self)
 {
   MetaWindowActorPrivate *priv =
     meta_window_actor_get_instance_private (self);
+  ClutterStage *stage;
+  ClutterSeat *seat;
+
+  stage = CLUTTER_STAGE (clutter_actor_get_stage (CLUTTER_ACTOR (self)));
+  seat = clutter_backend_get_default_seat (clutter_get_default_backend ());
 
   if (priv->needs_destroy)
     {
       clutter_actor_destroy (CLUTTER_ACTOR (self));
-      return;
+    }
+  else
+    {
+      g_signal_emit (self, signals[EFFECTS_COMPLETED], 0);
+      meta_window_actor_sync_visibility (self);
+      meta_window_actor_sync_actor_geometry (self, FALSE);
     }
 
-  g_signal_emit (self, signals[EFFECTS_COMPLETED], 0);
+  clutter_stage_repick_device (stage, clutter_seat_get_pointer (seat));
-  meta_window_actor_sync_visibility (self);
-  meta_window_actor_sync_actor_geometry (self, FALSE);
 }
 
 void

src/wayland/meta-wayland-shell-surface.c

@@ -37,7 +37,6 @@ typedef struct _MetaWaylandShellSurfacePrivate
   MetaWindow *window;
 
   gulong unmanaging_handler_id;
-  gulong effects_completed_handler_id;
 } MetaWaylandShellSurfacePrivate;
 
 G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaWaylandShellSurface,
@@ -106,8 +105,6 @@ clear_window (MetaWaylandShellSurface *shell_surface)
 
   g_clear_signal_handler (&priv->unmanaging_handler_id,
                           priv->window);
-  g_clear_signal_handler (&priv->effects_completed_handler_id,
-                          meta_window_actor_from_window (priv->window));
   priv->window = NULL;
 
   surface_actor = meta_wayland_surface_get_actor (surface);
@@ -124,13 +121,6 @@ window_unmanaging (MetaWindow              *window,
   clear_window (shell_surface);
 }
 
-static void
-window_actor_effects_completed (MetaWindowActor    *window_actor,
-                                MetaWaylandSurface *surface)
-{
-  meta_wayland_compositor_repick (surface->compositor);
-}
-
 void
 meta_wayland_shell_surface_set_window (MetaWaylandShellSurface *shell_surface,
                                        MetaWindow              *window)
@@ -156,11 +146,6 @@ meta_wayland_shell_surface_set_window (MetaWaylandShellSurface *shell_surface,
                       "unmanaging",
                       G_CALLBACK (window_unmanaging),
                       shell_surface);
-  priv->effects_completed_handler_id =
-    g_signal_connect (meta_window_actor_from_window (window),
-                      "effects-completed",
-                      G_CALLBACK (window_actor_effects_completed),
-                      surface);
 
   meta_window_update_monitor (window, META_WINDOW_UPDATE_MONITOR_FLAGS_NONE);
 }

src/wayland/meta-xwayland-surface.c

@@ -44,7 +44,6 @@ struct _MetaXwaylandSurface
   MetaWindow *window;
 
   gulong unmanaging_handler_id;
-  gulong effects_completed_handler_id;
 };
 
 G_DEFINE_TYPE (MetaXwaylandSurface,
@@ -58,7 +57,6 @@ clear_window (MetaXwaylandSurface *xwayland_surface)
     META_WAYLAND_SURFACE_ROLE (xwayland_surface);
   MetaWaylandSurface *surface =
     meta_wayland_surface_role_get_surface (surface_role);
-  MetaWindowActor *window_actor;
   MetaSurfaceActor *surface_actor;
 
   if (!xwayland_surface->window)
@@ -67,10 +65,6 @@ clear_window (MetaXwaylandSurface *xwayland_surface)
   g_clear_signal_handler (&xwayland_surface->unmanaging_handler_id,
                           xwayland_surface->window);
 
-  window_actor = meta_window_actor_from_window (xwayland_surface->window);
-  g_clear_signal_handler (&xwayland_surface->effects_completed_handler_id,
-                          window_actor);
-
   xwayland_surface->window->surface = NULL;
   xwayland_surface->window = NULL;
 
@@ -88,13 +82,6 @@ window_unmanaging (MetaWindow          *window,
   clear_window (xwayland_surface);
 }
 
-static void
-window_actor_effects_completed (MetaWindowActor    *window_actor,
-                                MetaWaylandSurface *surface)
-{
-  meta_wayland_compositor_repick (surface->compositor);
-}
-
 void
 meta_xwayland_surface_associate_with_window (MetaXwaylandSurface *xwayland_surface,
                                              MetaWindow          *window)
@@ -131,11 +118,6 @@ meta_xwayland_surface_associate_with_window (MetaXwaylandSurface *xwayland_surfa
                       "unmanaging",
                       G_CALLBACK (window_unmanaging),
                       xwayland_surface);
-  xwayland_surface->effects_completed_handler_id =
-    g_signal_connect (meta_window_actor_from_window (window),
-                      "effects-completed",
-                      G_CALLBACK (window_actor_effects_completed),
-                      surface);
 
   g_signal_emit (xwayland_surface, signals[WINDOW_ASSOCIATED], 0);