From a9af8e4f3c1d2a2d47e07e6d219524562c56da0a Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Tue, 14 Jul 2015 14:13:21 -0400
Subject: [PATCH] InputRoll - wire up RowScroll and ColumnScroll events, still
 todo: make a custom EventArgs argument and pass useful info through it

---
 .../tools/TAStudio/InputRoll.cs               | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs b/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs
index 8f7ca67b39..9d38e2d7c1 100644
--- a/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs
+++ b/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs
@@ -296,6 +296,14 @@ namespace BizHawk.Client.EmuHawk
 		[Description("Occurs when the column header has been reordered")]
 		public event ColumnReorderedEventHandler ColumnReordered;
 
+		[Category("Action")]
+		[Description("Occurs when the scroll value of the visible rows change (in vertical orientation this is the vertical scroll bar change, and in horizontal it is the horizontal scroll bar)")]
+		public event RowScrollEvent RowScroll;
+
+		[Category("Action")]
+		[Description("Occurs when the scroll value of the columns (in vertical orientation this is the horizontal scroll bar change, and in horizontal it is the vertical scroll bar)")]
+		public event ColumnScrollEvent ColumnScroll;
+
 		/// <summary>
 		/// Retrieve the text for a cell
 		/// </summary>
@@ -325,6 +333,10 @@ namespace BizHawk.Client.EmuHawk
 
 		public delegate void ColumnReorderedEventHandler(object sender, ColumnReorderedEventArgs e);
 
+		public delegate void RowScrollEvent(object sender, EventArgs e);
+
+		public delegate void ColumnScrollEvent(object sender, EventArgs e);
+
 		public class CellEventArgs
 		{
 			public CellEventArgs(Cell oldCell, Cell newCell)
@@ -1730,6 +1742,21 @@ namespace BizHawk.Client.EmuHawk
 			{
 				Refresh();
 			}
+
+			if (_horizontalOrientation)
+			{
+				if (ColumnScroll != null)
+				{
+					ColumnScroll(this, e);
+				}
+			}
+			else
+			{
+				if (RowScroll != null)
+				{
+					RowScroll(this, e);
+				}
+			}
 		}
 
 		private void HorizontalBar_ValueChanged(object sender, EventArgs e)
@@ -1738,6 +1765,21 @@ namespace BizHawk.Client.EmuHawk
 			{
 				Refresh();
 			}
+
+			if (_horizontalOrientation)
+			{
+				if (RowScroll != null)
+				{
+					RowScroll(this, e);
+				}
+			}
+			else
+			{
+				if (ColumnScroll != null)
+				{
+					ColumnScroll(this, e);
+				}
+			}
 		}
 
 		private void ColumnChangedCallback()