appDisplay: Extend faded edges beyond fade area

Now that the fade effect was reverted to the old behavior by default,
the app grid must opt-in extend faded edges beyond the regular fade
area.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1831>

diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index b926aab98b8de3a62e37edf5a7297264d63dd21c..2086102b4d324e144376ed18a38322df83b1d1db 100644 (file)
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -364,6 +364,9 @@ var BaseAppView = GObject.registerClass({
         }
 
         this._scrollView.update_fade_effect(fadeMargin);
+        const effect = this._scrollView.get_effect('fade');
+        if (effect)
+            effect.extend_fade_area = true;
     }
 
     _updateFade() {