From 92b0505c41e339e31eb4c0db55da9b35fa647db4 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Wed, 27 Nov 2019 20:35:05 -0600
Subject: [PATCH] Tastudio - fix stackoverflow exception when drag scrolling
 (this didn't happen in earlier versions and they didn't have this kind of
 hack, there might be a better way to do this, but this seemed to work)

---
 .../CustomControls/InputRoll/InputRoll.cs                 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
index 1f82023cef..0b50843a31 100644
--- a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
+++ b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
@@ -871,6 +871,7 @@ namespace BizHawk.Client.EmuHawk
 			PointMouseToNewCell();
 		}
 
+		private bool _programmaticallyChangingRow = false;
 		/// <summary>
 		/// Scrolls so that the given index is visible, if it isn't already; doesn't use scroll settings.
 		/// </summary>
@@ -878,6 +879,7 @@ namespace BizHawk.Client.EmuHawk
 		{
 			if (!IsVisible(index))
 			{
+				_programmaticallyChangingRow = true;
 				if (FirstVisibleRow > index)
 				{
 					FirstVisibleRow = index;
@@ -951,7 +953,11 @@ namespace BizHawk.Client.EmuHawk
 						newCell.RowIndex = 0;
 					}
 
-					CellChanged(newCell);
+					if (!_programmaticallyChangingRow)
+					{
+						_programmaticallyChangingRow = false;
+						CellChanged(newCell);
+					}
 				}
 			}
 		}