InputRoll - support a QueryItemIcon callback, and wire it up to Tastudio's current frame marker, needs to be cleaned up

BizHawk.Client.EmuHawk/CustomControls/GDIRenderer.cs

@@ -62,22 +62,15 @@ namespace BizHawk.Client.EmuHawk.CustomControls
 
 		#region Api
 
-		// TODO: extension method
-		private static byte[] ImageToByte(Image img)
-		{
-			ImageConverter converter = new ImageConverter();
-			return (byte[])converter.ConvertTo(img, typeof(byte[]));
-		}
-
 		/// <summary>
 		/// Draw a bitmap object at the given position
 		/// </summary>
-		public void DrawBitmap(Bitmap bitmap, int x, int y)
+		public void DrawBitmap(Bitmap bitmap, Point point)
 		{
 			IntPtr hbmp = bitmap.GetHbitmap();
 			var bitHDC = CreateCompatibleDC(CurrentHDC);
 			IntPtr old = new IntPtr(SelectObject(bitHDC, hbmp));
-			BitBlt(CurrentHDC, x, y, bitmap.Width, bitmap.Height, bitHDC, 0, 0, 0xCC0020);
+			BitBlt(CurrentHDC, point.X, point.Y, bitmap.Width, bitmap.Height, bitHDC, 0, 0, 0xCC0020);
 			SelectObject(bitHDC, old);
 			DeleteDC(bitHDC);
 		}

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

@@ -205,17 +205,23 @@ namespace BizHawk.Client.EmuHawk
 		#region Event Handlers
 
 		/// <summary>
-		/// Fire the QueryItemText event which requests the text for the passed Listview cell.
+		/// Fire the QueryItemText event which requests the text for the passed cell
 		/// </summary>
 		[Category("Virtual")]
 		public event QueryItemTextHandler QueryItemText;
 
 		/// <summary>
-		/// Fire the QueryItemBkColor event which requests the background color for the passed Listview cell
+		/// Fire the QueryItemBkColor event which requests the background color for the passed cell
 		/// </summary>
 		[Category("Virtual")]
 		public event QueryItemBkColorHandler QueryItemBkColor;
 
+		/// <summary>
+		/// Fire the QueryItemIconHandler event which requests an icon for a given cell
+		/// </summary>
+		[Category("Virtual")]
+		public event QueryItemIconHandler QueryItemIcon;
+
 		/// <summary>
 		/// Fires when the mouse moves from one cell to another (including column header cells)
 		/// </summary>
@@ -250,6 +256,11 @@ namespace BizHawk.Client.EmuHawk
 		/// </summary>
 		public delegate void QueryItemBkColorHandler(int index, int column, ref Color color);
 
+		/// <summary>
+		/// Retrive the image for a given cell
+		/// </summary>
+		public delegate void QueryItemIconHandler(int index, int column, ref Bitmap icon);
+
 		public delegate void CellChangeEventHandler(object sender, CellEventArgs e);
 
 		public delegate void RightMouseScrollEventHandler(object sender, MouseEventArgs e);
@@ -602,10 +613,24 @@ namespace BizHawk.Client.EmuHawk
 							}
 							string text;
 							var point = new Point(col.Left.Value + xPadding, RowsToPixels(i));
-							QueryItemText(i + startRow, j, out text);
+
-							if (!string.IsNullOrWhiteSpace(text))
+							Bitmap image = null;
+							if (QueryItemIcon != null)
 							{
-								Gdi.DrawString(text, point);
+								QueryItemIcon(i + startRow, j, ref image);
+							}
+
+							if (image != null)
+							{
+								Gdi.DrawBitmap(image, point);
+							}
+							else
+							{
+								QueryItemText(i + startRow, j, out text);
+								if (!string.IsNullOrWhiteSpace(text))
+								{
+									Gdi.DrawString(text, point);
+								}
 							}
 						}
 					}

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

@@ -41,6 +41,26 @@ namespace BizHawk.Client.EmuHawk
 
 		#region Query callbacks
 
+		private void TasView_QueryItemIcon(int index, int column, ref Bitmap bitmap)
+		{
+			var columnName = TasView.Columns[column].Name;
+
+			if (columnName == MarkerColumnName)
+			{
+				if (Global.Emulator.Frame == index)
+				{
+					if (TasView.HorizontalOrientation)
+					{
+						bitmap = Properties.Resources.te_arrow; // TODO: horizontal version
+					}
+					else
+					{
+						bitmap = Properties.Resources.te_arrow;
+					}
+				}
+			}
+		}
+
 		private void TasView_QueryItemBkColor(int index, int column, ref Color color)
 		{
 			var columnName = TasView.Columns[column].Name;
@@ -136,11 +156,11 @@ namespace BizHawk.Client.EmuHawk
 					{
 						if(TasView.HorizontalOrientation)
 						{
-							text = " V";
+							//text = " V";
 						}
 						else
 						{
-							text = ">";
+							//text = ">";
 						}
 					}
 					else

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

@@ -55,6 +55,7 @@ namespace BizHawk.Client.EmuHawk
 			MarkerControl.Tastudio = this;
 			TasView.QueryItemText += TasView_QueryItemText;
 			TasView.QueryItemBkColor += TasView_QueryItemBkColor;
+			TasView.QueryItemIcon += TasView_QueryItemIcon;
 
 			TopMost = Global.Config.TAStudioSettings.TopMost;
 			TasView.InputPaintingMode = Global.Config.TAStudioDrawInput;