From f09df0aa05db4858a6daae13aaf5ce30eca8d416 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Thu, 21 Aug 2014 23:34:54 +0200
Subject: [PATCH] Don't let people zoomin/out past the "range of values"

BUGS: 338452
FIXED-IN: 4.14.1
---
 ui/pageview.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ui/pageview.cpp b/ui/pageview.cpp
index 48d5d8df1..8ceafae87 100644
--- a/ui/pageview.cpp
+++ b/ui/pageview.cpp
@@ -3663,10 +3663,14 @@ void PageView::updateZoom( ZoomMode newZoomMode )
             QVector<float>::iterator i;
             if ( newZoomMode == ZoomOut )
             {
+                if (newFactor <= zoomValue.first())
+                    return;
                 i = qLowerBound(zoomValue.begin(), zoomValue.end(), newFactor) - 1;
             }
             else
             {
+                if (newFactor >= zoomValue.last())
+                    return;
                 i = qUpperBound(zoomValue.begin(), zoomValue.end(), newFactor);
             }
             const float tmpFactor = *i;