From 4371f8582e4a3885eddde0e1de0ae1bb9ed088c8 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 13 Jul 2016 08:48:41 +0530
Subject: [PATCH] Another place that needed fixing for the scroll event phase
 change in Qt 5.7

---
 src/calibre/gui2/library/alternate_views.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/library/alternate_views.py b/src/calibre/gui2/library/alternate_views.py
index 813ff48cdc..3935ac3c88 100644
--- a/src/calibre/gui2/library/alternate_views.py
+++ b/src/calibre/gui2/library/alternate_views.py
@@ -982,7 +982,8 @@ class GridView(QListView):
         return super(GridView, self).selectionCommand(index, event)
 
     def wheelEvent(self, ev):
-        if ev.phase() != Qt.ScrollUpdate:
+        if ev.phase() not in (Qt.ScrollUpdate, 0):
+            # 0 is Qt.NoScrollPhase which is not yet available in PyQt
             return
         number_of_pixels = ev.pixelDelta()
         number_of_degrees = ev.angleDelta() / 8