[gnome-shell] overviewControls: Shift up on double-super

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

commit f28f7eddb10566c94339e86980bb3af87a630e6f
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Nov 15 17:15:49 2017 +0000

    overviewControls: Shift up on double-super
    
    Right now a second super press during the overview transition hides
    the overview again. Change that behavior to shift up to the app grid
    instead, which is more useful.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1736>

 js/ui/overviewControls.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/overviewControls.js b/js/ui/overviewControls.js
index 3116df4870..d595facae7 100644
--- a/js/ui/overviewControls.js
+++ b/js/ui/overviewControls.js
@@ -371,7 +371,13 @@ class ControlsManager extends St.Widget {
             if (this._a11ySettings.get_boolean('stickykeys-enable'))
                 return;
 
-            Main.overview.toggle();
+            const { initialState, finalState, transitioning } =
+                this._stateAdjustment.getStateTransitionParams();
+
+            if (transitioning && finalState > initialState)
+                this._shiftState(Meta.MotionDirection.UP);
+            else
+                Main.overview.toggle();
         });
 
         Main.wm.addKeybinding(