From 29046b3aa12b1e76eda538b288a3d724cf5832a2 Mon Sep 17 00:00:00 2001
From: fourtf <tf.four@gmail.com>
Date: Sat, 6 Jan 2018 20:57:01 +0100
Subject: [PATCH] fixed scrollbar divide by zero

---
 src/widgets/scrollbar.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/widgets/scrollbar.cpp b/src/widgets/scrollbar.cpp
index efde86a1..1acb0eb1 100644
--- a/src/widgets/scrollbar.cpp
+++ b/src/widgets/scrollbar.cpp
@@ -219,6 +219,11 @@ void Scrollbar::paintEvent(QPaintEvent *)
     // draw highlights
     auto snapshot = this->highlights.getSnapshot();
     int snapshotLength = (int)snapshot.getLength();
+
+    if (snapshotLength == 0) {
+        return;
+    }
+
     int w = this->width();
     float y = 0;
     float dY = (this->height() - MIN_THUMB_HEIGHT) / snapshotLength;