From dbfa728a078e376ae6d91e27c9ba4276cf6b8082 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 16 Sep 2007 11:04:26 +0000
Subject: [PATCH] fix divide by 0 bug in UpdateScrollbars() (part of patch
 1716763)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48721 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/univ/textctrl.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/univ/textctrl.cpp b/src/univ/textctrl.cpp
index d8816f8974..00e987b800 100644
--- a/src/univ/textctrl.cpp
+++ b/src/univ/textctrl.cpp
@@ -3615,8 +3615,12 @@ void wxTextCtrl::UpdateScrollbars()
 
         if ( scrollRangeXOld )
         {
-            x *= scrollRangeX - m_rectText.width / charWidth;
-            x /= scrollRangeXOld - m_rectText.width / charWidth;
+            const int w = m_rectText.width / charWidth;
+            if ( w != scrollRangeXOld )
+            {
+                x *= scrollRangeX - w;
+                x /= scrollRangeXOld - w;
+            }
             Scroll(x, y);
         }
 
-- 
2.50.0