make colors of current statement marker customizable

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/Options/HighlightingOptions.xaml.cs

@@ -415,6 +415,20 @@ namespace ICSharpCode.AvalonEdit.AddIn.Options
 			breakpointMarker = new CustomizedHighlightingItem(customizationList, breakpointMarker, language, canSetFont: false);
 			breakpointMarker.PropertyChanged += item_PropertyChanged;
 			items.Add(breakpointMarker);
+			
+			IHighlightingItem currentStatementMarker = new SimpleHighlightingItem(
+				CurrentLineBookmark.Name,
+				ta => {
+					ta.Document.Text = "current statement line";
+					marker = textMarkerService.Create(0, ta.Document.TextLength);
+				})
+			{
+				Background = CurrentLineBookmark.DefaultBackground,
+				Foreground = CurrentLineBookmark.DefaultForeground
+			};
+			currentStatementMarker = new CustomizedHighlightingItem(customizationList, currentStatementMarker, language, canSetFont: false);
+			currentStatementMarker.PropertyChanged += item_PropertyChanged;
+			items.Add(currentStatementMarker);
 		}
 
 		void item_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)

src/Main/Base/Project/Src/Services/Debugger/CurrentLineBookmark.cs

@@ -65,11 +65,14 @@ namespace ICSharpCode.SharpDevelop.Debugging
 		}
 		
 		public override bool CanToggle {
-			get {
+			get { return false; }
-				return false;
-			}
 		}
 		
+		public const string Name = "Current statement";
+		
+		public static readonly Color DefaultBackground = Colors.Yellow;
+		public static readonly Color DefaultForeground = Colors.Blue;
+		
 		public override int ZOrder {
 			get { return 100; }
 		}
@@ -90,8 +93,17 @@ namespace ICSharpCode.SharpDevelop.Debugging
 		{
 			IDocumentLine line = this.Document.GetLine(startLine);
 			ITextMarker marker = markerService.Create(line.Offset + startColumn - 1, Math.Max(endColumn - startColumn, 1));
-			marker.BackgroundColor = Colors.Yellow;
+			ISyntaxHighlighter highlighter = this.Document.GetService(typeof(ISyntaxHighlighter)) as ISyntaxHighlighter;
-			marker.ForegroundColor = Colors.Blue;
+			marker.BackgroundColor = DefaultBackground;
+			marker.ForegroundColor = DefaultForeground;
+			
+			if (highlighter != null) {
+				var color = highlighter.GetNamedColor(Name);
+				if (color != null) {
+					marker.BackgroundColor = color.Background.GetColor(null);
+					marker.ForegroundColor = color.Foreground.GetColor(null);
+				}
+			}
 			return marker;
 		}