From ba9ece83f14cb93f26fdb432c408a1682d549496 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Thu, 5 Dec 2019 17:05:20 +1000
Subject: [PATCH] try 300ms preview delay

https://github.com/dae/anki/pull/357#issuecomment-560018459
---
 aqt/browser.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/aqt/browser.py b/aqt/browser.py
index f9959dce3..ed3711df7 100644
--- a/aqt/browser.py
+++ b/aqt/browser.py
@@ -1373,9 +1373,10 @@ where id in %s""" % ids2str(sf))
         self._previewCardChanged |= cardChanged
         # avoid rendering in quick succession
         elapMS = int((time.time() - self._lastPreviewRender)*1000)
-        if elapMS < 500:
+        delay = 300
+        if elapMS < delay:
             self._previewTimer = self.mw.progress.timer(
-                500-elapMS, self._renderScheduledPreview, False)
+                delay-elapMS, self._renderScheduledPreview, False)
         else:
             self._renderScheduledPreview()