From a76aa855a366f4cccb0826d0186c10da8e39c178 Mon Sep 17 00:00:00 2001
From: Chrys <chrys@linux-a11y.org>
Date: Thu, 22 Aug 2019 21:13:33 +0200
Subject: [PATCH] only wait if needed

---
 src/fenrirscreenreader/screenDriver/vcsaDriver.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/fenrirscreenreader/screenDriver/vcsaDriver.py b/src/fenrirscreenreader/screenDriver/vcsaDriver.py
index 1195676e..7f065b0a 100644
--- a/src/fenrirscreenreader/screenDriver/vcsaDriver.py
+++ b/src/fenrirscreenreader/screenDriver/vcsaDriver.py
@@ -174,8 +174,10 @@ class driver(screenDriver):
                             # anything else? wait for completion
                             while True:
                                 screenContent = dirtyContent
+                                r,_,_ select.select([vcsu[currScreen]],[],[],0.07)
+                                if not vcsa[currScreen] in r:
+                                    break
                                 vcsa[currScreen].seek(0)
-                                time.sleep(0.03)
                                 dirtyContent = vcsa[currScreen].read()
                                 if screenContent == dirtyContent:
                                     break