[gnome-shell/wip/exalm/gestures: 41/50] workspacesView: Don't allow mouse scrolling while animating

[Alexander Mikhaylenko <alexm src gnome org>]

commit 6fe2c5a47cb3567d2f070b45f5bd13ba7a1eb591
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Wed Oct 16 10:39:48 2019 +0500

    workspacesView: Don't allow mouse scrolling while animating
    
    Prevent uncontrollably fast scrolling.
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-shell/issues/1338
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/1338

 js/ui/workspacesView.js | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/js/ui/workspacesView.js b/js/ui/workspacesView.js
index a07b7b9827..3dba7ac28b 100644
--- a/js/ui/workspacesView.js
+++ b/js/ui/workspacesView.js
@@ -780,6 +780,9 @@ class WorkspacesDisplay extends St.Widget {
             this._getMonitorIndexForEvent(event) != this._primaryIndex)
             return Clutter.EVENT_PROPAGATE;
 
+        if (this._animatingScroll)
+            return Clutter.EVENT_PROPAGATE;
+
         let workspaceManager = global.workspace_manager;
         let activeWs = workspaceManager.get_active_workspace();
         let ws;