From ad4463926ee7907daaa434230bac4d28e8a2a7b5 Mon Sep 17 00:00:00 2001
From: nyamatongwe <nyamatongwe@gmail.com>
Date: Wed, 25 Jul 2012 15:12:31 +1000
Subject: Limit horizontal touch scrolling to existing established width.

---
 cocoa/ScintillaCocoa.mm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cocoa/ScintillaCocoa.mm b/cocoa/ScintillaCocoa.mm
index afb0d35cb..7fc07c7c1 100644
--- a/cocoa/ScintillaCocoa.mm
+++ b/cocoa/ScintillaCocoa.mm
@@ -1538,7 +1538,10 @@ void ScintillaCocoa::SetHorizontalScrollPos()
   
   // Convert absolute coordinate into the range [0..1]. Keep in mind that the visible area
   // does *not* belong to the scroll range.
-  float relativePosition = (float) xOffset / (scrollWidth - textRect.Width());
+  int maxXOffset = scrollWidth - textRect.Width();
+  if (xOffset > maxXOffset)
+    xOffset = maxXOffset;
+  float relativePosition = (float) xOffset / maxXOffset;
   [topContainer setHorizontalScrollPosition: relativePosition];
   MoveFindIndicatorWithBounce(NO);
 }
-- 
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