From 6a407327118744fe93aef1b0cd45e4368ff6f017 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 6 Jan 2011 20:34:23 -0700
Subject: [PATCH] ...

---
 src/calibre/gui2/book_details.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/calibre/gui2/book_details.py b/src/calibre/gui2/book_details.py
index 8e3e8b10de..2f7892692c 100644
--- a/src/calibre/gui2/book_details.py
+++ b/src/calibre/gui2/book_details.py
@@ -256,8 +256,10 @@ class BookInfo(QWebView):
                     % (left_pane, right_pane)))
 
     def mouseDoubleClickEvent(self, ev):
-        if self.width() - ev.x() < 25 or \
-            self.height() - ev.y() < 25:
+        swidth = self.page().mainFrame().scrollBarGeometry(Qt.Vertical).width()
+        sheight = self.page().mainFrame().scrollBarGeometry(Qt.Horizontal).height()
+        if self.width() - ev.x() < swidth or \
+            self.height() - ev.y() < sheight:
             # Filter out double clicks on the scroll bar
             ev.accept()
         else: