From df00db28f629d8de63f7140c2e1b6b881144ac9c Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 3 Sep 2020 16:38:59 +0530
Subject: [PATCH] No need to use a larger than zero timeout for QV
 initialization

---
 src/calibre/gui2/ui.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index 65ddf2a9f0..2f6b06896a 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -437,8 +437,9 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin,  # {{{
 
         # Once the gui is initialized we can restore the quickview state
         # The same thing will be true for any action-based operation with a
-        # layout button
-        QTimer.singleShot(20, self.start_quickview)
+        # layout button. We need to let a book be selected in the book list
+        # before initializing quickview, so run it after an event loop tick
+        QTimer.singleShot(0, self.start_quickview)
 
     def start_quickview(self):
         from calibre.gui2.actions.show_quickview import get_quickview_action_plugin