From c75d9b55ee43fdb53401a620e44843d60dfc3566 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 12 Jul 2014 21:26:59 +0530
Subject: [PATCH] complete2: Prevent mouse moving in from the bottom of the
 list changing the scroll position of the list

---
 src/calibre/gui2/complete2.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/complete2.py b/src/calibre/gui2/complete2.py
index 4920d9cb99..d9eb7f7bc1 100644
--- a/src/calibre/gui2/complete2.py
+++ b/src/calibre/gui2/complete2.py
@@ -115,7 +115,14 @@ class Completer(QListView):  # {{{
             self.relayout_needed.emit()
 
     def item_entered(self, idx):
-        self.setCurrentIndex(idx)
+        if self.visualRect(idx).top() < self.viewport().rect().bottom() - 5:
+            # Prevent any bottom item in the list that is only partially
+            # visible from triggering setCurrentIndex()
+            self.entered.disconnect()
+            try:
+                self.setCurrentIndex(idx)
+            finally:
+                self.entered.connect(self.item_entered)
 
     def next_match(self, previous=False):
         c = self.currentIndex()