From 2cdc404eb42decbac8e135aa0d39df57bc5d82ee Mon Sep 17 00:00:00 2001
From:  <tf.four@gmail.com>
Date: Wed, 27 Dec 2017 23:18:42 +0100
Subject: [PATCH] fixed rounding issue that caused an infinite loop

---
 src/widgets/scrollbar.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/widgets/scrollbar.cpp b/src/widgets/scrollbar.cpp
index e97ccbf24..ba991c139 100644
--- a/src/widgets/scrollbar.cpp
+++ b/src/widgets/scrollbar.cpp
@@ -6,6 +6,7 @@
 #include <QMouseEvent>
 #include <QPainter>
 #include <QTimer>
+#include <cmath>
 
 #define MIN_THUMB_HEIGHT 10
 
@@ -208,13 +209,13 @@ void ScrollBar::setCurrentValue(qreal value)
     value = std::max(this->minimum, std::min(this->maximum - this->largeChange,
                                              value + this->smoothScrollingOffset));
 
-    if (this->currentValue != value) {
+    if (std::abs(this->currentValue - value) > 0.000001) {
         this->currentValue = value;
 
-        updateScroll();
+        this->updateScroll();
         this->currentValueChanged();
 
-        update();
+        this->update();
     }
 }