From b5d925817fbeafaf44ee54a4c768c27f4945a9f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Fri, 26 Jun 2020 17:06:38 +0200
Subject: [PATCH] workspace: Disable preview overlays unless fully zoomed out

The overlays are only meant to be shown when the workspace is fully
zoomed out, not when using the floating layout or some in-between state.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1345
---
 js/ui/workspace.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index b84c45b1f..14670d100 100644
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -416,8 +416,11 @@ var WorkspaceLayout = GObject.registerClass({
             upper: 1,
         });
 
-        this._stateAdjustment.connect('notify::value', () =>
-            this.layout_changed());
+        this._stateAdjustment.connect('notify::value', () => {
+            [...this._windows.keys()].forEach(
+                preview => this._syncOverlay(preview));
+            this.layout_changed();
+        });
     }
 
     _isBetterLayout(oldLayout, newLayout) {
@@ -632,6 +635,10 @@ var WorkspaceLayout = GObject.registerClass({
         }
     }
 
+    _syncOverlay(preview) {
+        preview.overlay_enabled = this._stateAdjustment.value === 1;
+    }
+
     /**
      * addWindow:
      * @param {WindowPreview} window: the window to add
@@ -665,6 +672,7 @@ var WorkspaceLayout = GObject.registerClass({
             return winA.get_stable_sequence() - winB.get_stable_sequence();
         });
 
+        this._syncOverlay(window);
         this._container.add_child(window);
 
         this._layout = null;