[gnome-shell/wip/carlosg/grabs-pt2: 11/22] overview: Propagate crossing events in cover pane

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

commit 05a6b3599145e42ac255e0aae58b6ddef04a93b2
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jan 12 17:19:53 2022 +0100

    overview: Propagate crossing events in cover pane
    
    When animating the overview we temporarily cover it with an actor that
    ignores events. This actor should still allow crossing events to go through
    as per Mutter requirements.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2045>

 js/ui/overview.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/overview.js b/js/ui/overview.js
index 2312bb10d0..bcfdca3442 100644
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
@@ -162,7 +162,11 @@ var Overview = class {
         this._coverPane = new Clutter.Actor({ opacity: 0,
                                               reactive: true });
         Main.layoutManager.overviewGroup.add_child(this._coverPane);
-        this._coverPane.connect('event', () => Clutter.EVENT_STOP);
+        this._coverPane.connect('event', (_actor, event) => {
+            return event.type() === Clutter.EventType.ENTER ||
+                event.type() === Clutter.EventType.LEAVE
+                ? Clutter.EVENT_PROPAGATE : Clutter.EVENT_STOP;
+        });
         this._coverPane.hide();
 
         // XDND