tastudio/lua - implement tastudio.onqueryitemtext

BizHawk.Client.EmuHawk/tools/Lua/Libraries/EmuLuaLibrary.Tastudio.cs

@@ -148,5 +148,30 @@ namespace BizHawk.Client.EmuHawk
 				};
 			}
 		}
+
+		[LuaMethodAttributes(
+			"onqueryitemtext",
+			"called during the text draw event of the tastudio listview"
+		)]
+		public void OnQueryItemText(LuaFunction luaf)
+		{
+			if (Engaged())
+			{
+				Tastudio.QueryItemTextCallback = (int index, string name) =>
+				{
+					var result = luaf.Call(index, name);
+
+					if (result != null)
+					{
+						if (result[0] != null)
+						{
+							return result[0].ToString();
+						}
+					}
+
+					return (string)null;
+				};
+			}
+		}
 	}
 }

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs

@@ -99,7 +99,7 @@ namespace BizHawk.Client.EmuHawk
 
 		public Func<int, string, Color?> QueryItemBgColorCallback { get; set; }
 
-		public Color? GetColorOverride(int index, InputRoll.RollColumn column)
+		private Color? GetColorOverride(int index, InputRoll.RollColumn column)
 		{
 			if (QueryItemBgColorCallback != null)
 			{
@@ -109,6 +109,18 @@ namespace BizHawk.Client.EmuHawk
 			return null;
 		}
 
+		public Func<int, string, string> QueryItemTextCallback { get; set; }
+
+		private string GetTextOverride(int index, InputRoll.RollColumn column)
+		{
+			if (QueryItemTextCallback != null)
+			{
+				return QueryItemTextCallback(index, column.Name);
+			}
+
+			return null;
+		}
+
 		#endregion
 
 		private void TasView_QueryItemBkColor(int index, InputRoll.RollColumn column, ref Color color)
@@ -170,6 +182,13 @@ namespace BizHawk.Client.EmuHawk
 
 		private void TasView_QueryItemText(int index, InputRoll.RollColumn column, out string text)
 		{
+			var overrideText = GetTextOverride(index, column);
+			if (overrideText != null)
+			{
+				text = overrideText;
+				return;
+			}
+
 			try
 			{
 				text = string.Empty;