switcherPopup: Use correct scroll-direction property

The correct property for the scroll-direction with scrolling events is
`direction`, no `scroll_direction`. This fixes scrolling in the alt-tab
popup, which broke with the actorization changes.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/167

diff --git a/js/ui/switcherPopup.js b/js/ui/switcherPopup.js
index f9888d4f5eaff986f1ed100a8ec71270d7877cc9..23d74ff39b2e1466ae151eb42cca73e8f15b3183 100644 (file)
--- a/js/ui/switcherPopup.js
+++ b/js/ui/switcherPopup.js
@@ -230,7 +230,7 @@ var SwitcherPopup = GObject.registerClass({
     vfunc_scroll_event(scrollEvent) {
         this._disableHover();
 
-        this._scrollHandler(scrollEvent.scroll_direction);
+        this._scrollHandler(scrollEvent.direction);
         return Clutter.EVENT_PROPAGATE;
     }