From 12b93c5bf00f01b1fbd12c18dc9f7972dabc39c9 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 30 Jan 2014 09:57:48 +0530
Subject: [PATCH] Fix viewport not being updated for right panel after resize

---
 src/calibre/gui2/tweak_book/diff/view.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/gui2/tweak_book/diff/view.py b/src/calibre/gui2/tweak_book/diff/view.py
index cf9d4911b6..fa7f736c26 100644
--- a/src/calibre/gui2/tweak_book/diff/view.py
+++ b/src/calibre/gui2/tweak_book/diff/view.py
@@ -637,6 +637,7 @@ class DiffSplit(QSplitter):  # {{{
                 v.changes = [(mapnum(t), mapnum(b), kind) for t, b, kind in v.changes]
                 v.headers = [(mapnum(x), name) for x, name in v.headers]
                 v.images = OrderedDict((mapnum(x), v) for x, v in v.images.iteritems())
+            v.viewport().update()
 
     def get_lines_for_image(self, img, view):
         if img.isNull():