From a17584a31955b355d1c3211a245e6f8ccc87bd38 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Tue, 26 Nov 2019 11:27:55 -0600
Subject: [PATCH] InputRoll - fix behavior of up/down arrow keys

---
 .../CustomControls/InputRoll/InputRoll.cs     | 26 ++++++++++++++-----
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
index 67d8969687..3b9f07bf2a 100644
--- a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
+++ b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
@@ -1382,18 +1382,32 @@ namespace BizHawk.Client.EmuHawk
 				}
 				else if (!e.Control && !e.Shift && !e.Alt && e.KeyCode == Keys.Up) // Up
 				{
-					if (FirstVisibleRow > 0)
+					if (SelectedRows.Any())
 					{
-						FirstVisibleRow--;
-						Refresh();
+						var selectedRow = SelectedRows.First();
+						if (selectedRow > 0)
+						{
+							var targetSelectedRow = selectedRow - 1;
+							DeselectAll();
+							SelectRow(targetSelectedRow, true);
+							ScrollToIndex(targetSelectedRow);
+							Refresh();
+						}
 					}
 				}
 				else if (!e.Control && !e.Shift && !e.Alt && e.KeyCode == Keys.Down) // Down
 				{
-					if (FirstVisibleRow < RowCount - 1)
+					if (SelectedRows.Any())
 					{
-						FirstVisibleRow++;
-						Refresh();
+						var selectedRow = SelectedRows.First();
+						if (selectedRow < RowCount - 1)
+						{
+							var targetSelectedRow = selectedRow + 1;
+							DeselectAll();
+							SelectRow(targetSelectedRow, true);
+							ScrollToIndex(targetSelectedRow);
+							Refresh();
+						}
 					}
 				}
 				// Selection courser