From 0be674f981c94c11f5452dd957ada0447dc34a06 Mon Sep 17 00:00:00 2001
From: Pino Toscano <pino@kde.org>
Date: Thu, 26 Oct 2006 20:59:07 +0000
Subject: [PATCH] Forwardport SVN commit 599376 by pino:

Don't try querying the document if it's closed.

svn path=/trunk/playground/graphics/okular/; revision=599385
---
 ui/pageview.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ui/pageview.cpp b/ui/pageview.cpp
index c92046c5d..f58c92aa3 100644
--- a/ui/pageview.cpp
+++ b/ui/pageview.cpp
@@ -1710,6 +1710,12 @@ if (d->document->handleEvent( e ) )
     if ( d->viewportMoveActive )
         return;
 
+    if ( !d->document->isOpened() )
+    {
+        QScrollArea::wheelEvent( e );
+        return;
+    }
+
     int delta = e->delta(),
         vScroll = verticalScrollBar()->value();
     e->accept();