[gnome-shell] boxpointer: Disable unredirection while visible

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

commit 54a71944ba7dd3704fb839021e5a4a90acd68c30
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Jun 28 11:57:05 2021 +0200

    boxpointer: Disable unredirection while visible
    
    Some popovers like the ibus candidate popover may be requested while
    showing an unredirected fullscreen window. Disable unredirection
    while the popover is visible so that it can actually be shown.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1900>

 js/ui/boxpointer.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/boxpointer.js b/js/ui/boxpointer.js
index b8c2f09b65..c664ae748b 100644
--- a/js/ui/boxpointer.js
+++ b/js/ui/boxpointer.js
@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported BoxPointer */
 
-const { Clutter, GObject, St } = imports.gi;
+const { Clutter, GObject, Meta, St } = imports.gi;
 
 const Main = imports.ui.main;
 
@@ -48,6 +48,13 @@ var BoxPointer = GObject.registerClass({
         this._sourceAlignment = 0.5;
         this._muteInput = true;
 
+        this.connect('notify::visible', () => {
+            if (this.visible)
+                Meta.disable_unredirect_for_display(global.display);
+            else
+                Meta.enable_unredirect_for_display(global.display);
+        });
+
         this.connect('destroy', this._onDestroy.bind(this));
     }