Implemented reference support in the text view.

ICSharpCode.Decompiler/GraphVizGraph.cs

@@ -93,7 +93,7 @@ namespace ICSharpCode.Decompiler
 		public void Save(TextWriter writer)
 		{
 			writer.WriteLine("digraph G {");
-			writer.WriteLine("node [fontsize = 14.5];");
+			writer.WriteLine("node [fontsize = 16];");
 			WriteGraphAttribute(writer, "rankdir", rankdir);
 			foreach (GraphVizNode node in nodes) {
 				node.Save(writer);

ILSpy/AssemblyList.cs

@@ -43,6 +43,8 @@ namespace ICSharpCode.ILSpy
 		
 		public TypeTreeNode FindTypeNode(TypeDefinition def)
 		{
+			if (def == null)
+				return null;
 			if (def.DeclaringType != null) {
 				TypeTreeNode decl = FindTypeNode(def.DeclaringType);
 				if (decl != null) {
@@ -62,6 +64,42 @@ namespace ICSharpCode.ILSpy
 			return null;
 		}
 		
+		public MethodTreeNode FindMethodNode(MethodDefinition def)
+		{
+			if (def == null)
+				return null;
+			TypeTreeNode typeNode = FindTypeNode(def.DeclaringType);
+			typeNode.EnsureLazyChildren();
+			return typeNode.Children.OfType<MethodTreeNode>().FirstOrDefault(m => m.MethodDefinition == def);
+		}
+		
+		public FieldTreeNode FindFieldNode(FieldDefinition def)
+		{
+			if (def == null)
+				return null;
+			TypeTreeNode typeNode = FindTypeNode(def.DeclaringType);
+			typeNode.EnsureLazyChildren();
+			return typeNode.Children.OfType<FieldTreeNode>().FirstOrDefault(m => m.FieldDefinition == def);
+		}
+		
+		public PropertyTreeNode FindPropertyNode(PropertyDefinition def)
+		{
+			if (def == null)
+				return null;
+			TypeTreeNode typeNode = FindTypeNode(def.DeclaringType);
+			typeNode.EnsureLazyChildren();
+			return typeNode.Children.OfType<PropertyTreeNode>().FirstOrDefault(m => m.PropertyDefinition == def);
+		}
+		
+		public EventTreeNode FindEventNode(EventDefinition def)
+		{
+			if (def == null)
+				return null;
+			TypeTreeNode typeNode = FindTypeNode(def.DeclaringType);
+			typeNode.EnsureLazyChildren();
+			return typeNode.Children.OfType<EventTreeNode>().FirstOrDefault(m => m.EventDefinition == def);
+		}
+		
 		public AssemblyTreeNode OpenAssembly(string file)
 		{
 			App.Current.Dispatcher.VerifyAccess();

ILSpy/CaretHighlightAdorner.cs

@@ -0,0 +1,60 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under MIT X11 license (for details please see \doc\license.txt)
+
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Documents;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+using System.Windows.Threading;
+using ICSharpCode.AvalonEdit.Editing;
+
+namespace ICSharpCode.ILSpy
+{
+	/// <summary>
+	/// Animated rectangle around the caret.
+	/// </summary>
+	sealed class CaretHighlightAdorner : Adorner
+	{
+		Pen pen;
+		RectangleGeometry geometry;
+		
+		public CaretHighlightAdorner(TextArea textArea)
+			: base(textArea.TextView)
+		{
+			Rect min = textArea.Caret.CalculateCaretRectangle();
+			min.Offset(-textArea.TextView.ScrollOffset);
+			
+			Rect max = min;
+			double size = Math.Max(min.Width, min.Height) * 0.25;
+			max.Inflate(size, size);
+			
+			pen = new Pen(TextBlock.GetForeground(textArea.TextView).Clone(), 1);
+			
+			geometry = new RectangleGeometry(min, 2, 2);
+			geometry.BeginAnimation(RectangleGeometry.RectProperty, new RectAnimation(min, max, new Duration(TimeSpan.FromMilliseconds(300))) { AutoReverse = true });
+			pen.Brush.BeginAnimation(Brush.OpacityProperty, new DoubleAnimation(1, 0, new Duration(TimeSpan.FromMilliseconds(200))) { BeginTime = TimeSpan.FromMilliseconds(450) });
+		}
+		
+		public static void DisplayCaretHighlightAnimation(TextArea textArea)
+		{
+			AdornerLayer layer = AdornerLayer.GetAdornerLayer(textArea.TextView);
+			CaretHighlightAdorner adorner = new CaretHighlightAdorner(textArea);
+			layer.Add(adorner);
+			
+			DispatcherTimer timer = new DispatcherTimer();
+			timer.Interval = TimeSpan.FromSeconds(1);
+			timer.Tick += delegate {
+				timer.Stop();
+				layer.Remove(adorner);
+			};
+			timer.Start();
+		}
+		
+		protected override void OnRender(DrawingContext drawingContext)
+		{
+			drawingContext.DrawGeometry(null, pen, geometry);
+		}
+	}
+}

ILSpy/Disassembler/DisassemblerHelpers.cs

@@ -25,20 +25,38 @@ namespace ICSharpCode.ILSpy.Disassembler
 {
 	static class DisassemblerHelpers
 	{
-		#region Debug output(ToString helpers)
+		static void WriteOffsetReference(ITextOutput writer, int offset)
+		{
+			writer.WriteReference(CecilExtensions.OffsetToString(offset), offset);
+		}
+		
 		public static void WriteTo(this ExceptionHandler exceptionHandler, ITextOutput writer)
 		{
-			writer.Write("Try IL_{0:x4}-IL_{1:x4} ", exceptionHandler.TryStart.Offset, exceptionHandler.TryEnd.Offset);
+			writer.Write("Try ");
+			WriteOffsetReference(writer, exceptionHandler.TryStart.Offset);
+			writer.Write('-');
+			WriteOffsetReference(writer, exceptionHandler.TryEnd.Offset);
 			writer.Write(exceptionHandler.HandlerType.ToString());
 			if (exceptionHandler.FilterStart != null) {
-				writer.Write(" IL_{0:x4}-IL_{1:x4} handler ", exceptionHandler.FilterStart.Offset, exceptionHandler.FilterEnd.Offset);
+				writer.Write(' ');
+				WriteOffsetReference(writer, exceptionHandler.FilterStart.Offset);
+				writer.Write('-');
+				WriteOffsetReference(writer, exceptionHandler.FilterEnd.Offset);
+				writer.Write(" handler ");
+			}
+			if (exceptionHandler.CatchType != null) {
+				writer.Write(' ');
+				exceptionHandler.CatchType.WriteTo(writer);
 			}
-			writer.Write(" IL_{0:x4}-IL_{1:x4} ", exceptionHandler.HandlerStart.Offset, exceptionHandler.HandlerEnd.Offset);
+			writer.Write(' ');
+			WriteOffsetReference(writer, exceptionHandler.HandlerStart.Offset);
+			writer.Write('-');
+			WriteOffsetReference(writer, exceptionHandler.HandlerEnd.Offset);
 		}
 		
 		public static void WriteTo(this Instruction instruction, ITextOutput writer)
 		{
-			writer.Write(CecilExtensions.OffsetToString(instruction.Offset));
+			writer.WriteDefinition(CecilExtensions.OffsetToString(instruction.Offset), instruction.Offset);
 			writer.Write(": ");
 			writer.Write(instruction.OpCode.Name);
 			if(null != instruction.Operand) {
@@ -52,7 +70,7 @@ namespace ICSharpCode.ILSpy.Disassembler
 			writer.Write("(");
 			for(int i = 0; i < instructions.Length; i++) {
 				if(i != 0) writer.Write(", ");
-				writer.Write(CecilExtensions.OffsetToString(instructions [i].Offset));
+				WriteOffsetReference(writer, instructions[i].Offset);
 			}
 			writer.Write(")");
 		}
@@ -65,95 +83,99 @@ namespace ICSharpCode.ILSpy.Disassembler
 				: value.ToString();
 		}
 		
-		static void WriteMethodReference(ITextOutput writer, MethodReference method)
+		static void WriteTo(this MethodReference method, ITextOutput writer)
 		{
-			writer.Write(FormatTypeReference(method.ReturnType));
+			method.ReturnType.WriteTo(writer);
 			writer.Write(' ');
-			writer.Write(FormatTypeReference(method.DeclaringType));
+			method.DeclaringType.WriteTo(writer);
 			writer.Write("::");
-			writer.Write(method.Name);
+			writer.WriteReference(method.Name, method);
 			writer.Write("(");
 			var parameters = method.Parameters;
-			for(int i=0; i < parameters.Count; ++i) {
+			for(int i = 0; i < parameters.Count; ++i) {
-				if(i > 0) writer.Write(", ");
+				if (i > 0) writer.Write(", ");
-				writer.Write(FormatTypeReference(parameters [i].ParameterType));
+				parameters[i].ParameterType.WriteTo(writer);
 			}
 			writer.Write(")");
 		}
 		
-		static string FormatTypeReference(TypeReference type)
+		static void WriteTo(this TypeReference type, ITextOutput writer)
 		{
-			string typeName = type.FullName;
+			string name = ShortTypeName(type);
-			switch(typeName) {
+			if (name != null)
-					case "System.Void": return "void";
+				writer.Write(name);
-					case "System.String": return "string";
+			else
-					case "System.Int32": return "int32";
+				writer.WriteReference(type.FullName, type);
-					case "System.Long": return "int64";
-					case "System.Boolean": return "bool";
-					case "System.Single": return "float32";
-					case "System.Double": return "float64";
-			}
-			return typeName;
 		}
 		
 		public static void WriteOperand(ITextOutput writer, object operand)
 		{
-			if(null == operand) throw new ArgumentNullException("operand");
+			if (operand == null)
+				throw new ArgumentNullException("operand");
 			
 			Instruction targetInstruction = operand as Instruction;
-			if(null != targetInstruction) {
+			if (targetInstruction != null) {
-				writer.Write(CecilExtensions.OffsetToString(targetInstruction.Offset));
+				WriteOffsetReference(writer, targetInstruction.Offset);
 				return;
 			}
 			
-			Instruction [] targetInstructions = operand as Instruction [];
+			Instruction[] targetInstructions = operand as Instruction[];
-			if(null != targetInstructions) {
+			if (targetInstructions != null) {
 				WriteLabelList(writer, targetInstructions);
 				return;
 			}
 			
 			VariableReference variableRef = operand as VariableReference;
-			if(null != variableRef) {
+			if (variableRef != null) {
-				writer.Write(variableRef.Index.ToString());
+				writer.WriteReference(variableRef.Index.ToString(), variableRef);
 				return;
 			}
 			
 			MethodReference methodRef = operand as MethodReference;
-			if(null != methodRef) {
+			if (methodRef != null) {
-				WriteMethodReference(writer, methodRef);
+				methodRef.WriteTo(writer);
+				return;
+			}
+			
+			TypeReference typeRef = operand as TypeReference;
+			if (typeRef != null) {
+				typeRef.WriteTo(writer);
 				return;
 			}
 			
 			string s = operand as string;
-			if(null != s) {
+			if (s != null) {
-				writer.Write("\"" + s + "\"");
+				writer.Write("\"" + s.Replace("\\", "\\\\").Replace("\"", "\\\"") + "\"");
 				return;
 			}
 			
 			s = ToInvariantCultureString(operand);
 			writer.Write(s);
 		}
-		#endregion
 		
 		public static string ShortTypeName(this TypeReference type)
 		{
 			switch (type.FullName) {
+				case "System.SByte":
+					return "int8";
 				case "System.Int16":
-					return "short";
+					return "int16";
 				case "System.Int32":
-					return "int";
+					return "int32";
 				case "System.Int64":
-					return "long";
+					return "int65";
+				case "System.Byte":
+					return "uint8";
 				case "System.UInt16":
-					return "ushort";
+					return "uint16";
 				case "System.UInt32":
-					return "uint";
+					return "uint32";
 				case "System.UInt64":
-					return "ulong";
+					return "uint64";
 				case "System.Single":
-					return "float";
+					return "float32";
 				case "System.Double":
-					return "double";
+					return "float64";
 				case "System.Void":
 					return "void";
 				case "System.Boolean":
@@ -165,12 +187,7 @@ namespace ICSharpCode.ILSpy.Disassembler
 				case "System.Object":
 					return "object";
 				default:
-					string name = type.Name;
+					return null;
-					int pos = name.LastIndexOf('`');
-					if (pos >= 0)
-						return name.Substring(0, pos);
-					else
-						return name;
 			}
 		}
 	}

ILSpy/EventTreeNode.cs

@@ -37,6 +37,10 @@ namespace ICSharpCode.ILSpy
 			this.LazyLoading = true;
 		}
 		
+		public EventDefinition EventDefinition {
+			get { return ev; }
+		}
+		
 		public override object Text {
 			get { return ev.Name + " : " + Language.Current.TypeToString(ev.EventType); }
 		}

ILSpy/FieldTreeNode.cs

@@ -29,6 +29,10 @@ namespace ICSharpCode.ILSpy
 	{
 		readonly FieldDefinition field;
 		
+		public FieldDefinition FieldDefinition {
+			get { return field; }
+		}
+		
 		public FieldTreeNode(FieldDefinition field)
 		{
 			if (field == null)

ILSpy/ILSpy.csproj

@@ -73,6 +73,7 @@
     <Compile Include="AssemblyReferenceTreeNode.cs" />
     <Compile Include="AssemblyTreeNode.cs" />
     <Compile Include="BaseTypesTreeNode.cs" />
+    <Compile Include="CaretHighlightAdorner.cs" />
     <Compile Include="CueBannerService.cs" />
     <Compile Include="Decompiler\CSharpLanguage.cs" />
     <Compile Include="Disassembler\DisassemblerHelpers.cs" />
@@ -103,6 +104,7 @@
     </Compile>
     <Compile Include="PropertyTreeNode.cs" />
     <Compile Include="ReferenceFolderTreeNode.cs" />
+    <Compile Include="ReferenceElementGenerator.cs" />
     <Compile Include="SortableGridViewColumn.cs" />
     <Compile Include="TreeTraversal.cs" />
     <Compile Include="TypeTreeNode.cs" />

ILSpy/ITextOutput.cs

@@ -17,6 +17,7 @@
 // DEALINGS IN THE SOFTWARE.
 
 using System;
+using System.Collections.Generic;
 using System.Text;
 using ICSharpCode.AvalonEdit.Document;
 
@@ -31,7 +32,13 @@ namespace ICSharpCode.ILSpy
 		void WriteComment(string comment);
 		void WriteLine();
 		void WriteDefinition(string text, object definition);
-		void WriteReference(string text, object definition);
+		void WriteReference(string text, object reference);
+	}
+	
+	sealed class ReferenceSegment : TextSegment
+	{
+		public object Reference;
+		public ILSpyTreeNode TreeNode;
 	}
 	
 	sealed class SmartTextOutput : ITextOutput
@@ -39,6 +46,23 @@ namespace ICSharpCode.ILSpy
 		readonly StringBuilder b = new StringBuilder();
 		int indent;
 		bool needsIndent;
+		Dictionary<object, int> definitions = new Dictionary<object, int>();
+		TextSegmentCollection<ReferenceSegment> references = new TextSegmentCollection<ReferenceSegment>();
+		
+		public TextSegmentCollection<ReferenceSegment> References {
+			get { return references; }
+		}
+		
+		public ILSpyTreeNode CurrentTreeNode;
+		
+		public int GetDefinitionPosition(object definition)
+		{
+			int val;
+			if (definitions.TryGetValue(definition, out val))
+				return val;
+			else
+				return -1;
+		}
 		
 		public override string ToString()
 		{
@@ -93,12 +117,16 @@ namespace ICSharpCode.ILSpy
 		{
 			WriteIndent();
 			b.Append(text);
+			definitions[definition] = b.Length;
 		}
 		
-		public void WriteReference(string text, object definition)
+		public void WriteReference(string text, object reference)
 		{
 			WriteIndent();
+			int start = b.Length;
 			b.Append(text);
+			int end = b.Length;
+			references.Add(new ReferenceSegment { StartOffset = start, EndOffset = end, Reference = reference, TreeNode = CurrentTreeNode });
 		}
 	}
 }

ILSpy/MainWindow.xaml.cs

@@ -24,10 +24,12 @@ using System.Reflection;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
+using System.Windows.Threading;
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.FlowAnalysis;
 using ICSharpCode.TreeView;
 using Microsoft.Win32;
+using Mono.Cecil;
 using Mono.Cecil.Rocks;
 
 namespace ICSharpCode.ILSpy
@@ -39,6 +41,7 @@ namespace ICSharpCode.ILSpy
 	{
 		AssemblyList assemblyList = new AssemblyList();
 		FilterSettings filterSettings = new FilterSettings();
+		ReferenceElementGenerator referenceElementGenerator;
 		
 		static readonly Assembly[] initialAssemblies = {
 			typeof(object).Assembly,
@@ -64,6 +67,10 @@ namespace ICSharpCode.ILSpy
 			languageComboBox.SelectedItem = languageComboBox.Items[0];
 			
 			textEditor.Text = "Welcome to ILSpy!";
+			
+			referenceElementGenerator = new ReferenceElementGenerator(this);
+			textEditor.TextArea.TextView.ElementGenerators.Add(referenceElementGenerator);
+			
 			AssemblyListTreeNode assemblyListTreeNode = new AssemblyListTreeNode(assemblyList);
 			assemblyListTreeNode.FilterSettings = filterSettings.Clone();
 			filterSettings.PropertyChanged += delegate {
@@ -73,15 +80,7 @@ namespace ICSharpCode.ILSpy
 				assemblyListTreeNode.FilterSettings = filterSettings.Clone();
 			};
 			treeView.Root = assemblyListTreeNode;
-			assemblyListTreeNode.Select = delegate(SharpTreeNode obj) {
+			assemblyListTreeNode.Select = SelectNode;
-				if (obj != null) {
-					foreach (SharpTreeNode node in obj.Ancestors())
-						node.IsExpanded = true;
-					
-					treeView.SelectedItem = obj;
-					treeView.ScrollIntoView(obj);
-				}
-			};
 			
 			foreach (Assembly asm in initialAssemblies)
 				assemblyList.OpenAssembly(asm.Location);
@@ -107,6 +106,17 @@ namespace ICSharpCode.ILSpy
 			#endif
 		}
 		
+		void SelectNode(SharpTreeNode obj)
+		{
+			if (obj != null) {
+				foreach (SharpTreeNode node in obj.Ancestors())
+					node.IsExpanded = true;
+				
+				treeView.SelectedItem = obj;
+				treeView.ScrollIntoView(obj);
+			}
+		}
+		
 		#region Debugging CFG
 		#if DEBUG
 		void cfg_Click(object sender, RoutedEventArgs e)
@@ -196,14 +206,18 @@ namespace ICSharpCode.ILSpy
 			}
 		}
 		
+		SmartTextOutput textOutput;
+		
 		void TreeView_SelectionChanged(object sender, SelectionChangedEventArgs e)
 		{
 			try {
 				textEditor.SyntaxHighlighting = ILSpy.Language.Current.SyntaxHighlighting;
-				SmartTextOutput textOutput = new SmartTextOutput();
+				textOutput = new SmartTextOutput();
 				foreach (var node in treeView.SelectedItems.OfType<ILSpyTreeNode>()) {
+					textOutput.CurrentTreeNode = node;
 					node.Decompile(ILSpy.Language.Current, textOutput);
 				}
+				referenceElementGenerator.References = textOutput.References;
 				textEditor.Text = textOutput.ToString();
 			} catch (Exception ex) {
 				textEditor.SyntaxHighlighting = null;
@@ -211,6 +225,37 @@ namespace ICSharpCode.ILSpy
 			}
 		}
 		
+		internal void JumpToReference(ReferenceSegment referenceSegment)
+		{
+			object reference = referenceSegment.Reference;
+			if (textOutput != null) {
+				int pos = textOutput.GetDefinitionPosition(reference);
+				if (pos >= 0) {
+					textEditor.TextArea.Focus();
+					textEditor.Select(pos, 0);
+					textEditor.ScrollTo(textEditor.TextArea.Caret.Line, textEditor.TextArea.Caret.Column);
+					Dispatcher.Invoke(DispatcherPriority.Background, new Action(
+						delegate {
+							CaretHighlightAdorner.DisplayCaretHighlightAnimation(textEditor.TextArea);
+						}));
+					return;
+				}
+			}
+			if (reference is TypeReference) {
+				SelectNode(assemblyList.FindTypeNode(((TypeReference)reference).Resolve()));
+			} else if (reference is MethodReference) {
+				SelectNode(assemblyList.FindMethodNode(((MethodReference)reference).Resolve()));
+			} else if (reference is FieldReference) {
+				SelectNode(assemblyList.FindFieldNode(((FieldReference)reference).Resolve()));
+			} else if (reference is PropertyReference) {
+				SelectNode(assemblyList.FindPropertyNode(((PropertyReference)reference).Resolve()));
+			} else if (reference is EventReference) {
+				SelectNode(assemblyList.FindEventNode(((EventReference)reference).Resolve()));
+			} else if (reference is AssemblyDefinition) {
+				SelectNode(assemblyList.Assemblies.FirstOrDefault(node => node.AssemblyDefinition == reference));
+			}
+		}
+		
 		void LanguageComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
 		{
 			ILSpy.Language.Current = (ILSpy.Language)languageComboBox.SelectedItem;

ILSpy/PropertyTreeNode.cs

@@ -39,6 +39,10 @@ namespace ICSharpCode.ILSpy
 			this.LazyLoading = true;
 		}
 		
+		public PropertyDefinition PropertyDefinition {
+			get { return property; }
+		}
+		
 		public override object Text {
 			get { return property.Name + " : " + Language.Current.TypeToString(property.PropertyType); }
 		}

ILSpy/ReferenceElementGenerator.cs

@@ -0,0 +1,90 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under MIT X11 license (for details please see \doc\license.txt)
+
+using System;
+using System.Windows.Input;
+using ICSharpCode.AvalonEdit.Document;
+using ICSharpCode.AvalonEdit.Rendering;
+
+namespace ICSharpCode.ILSpy
+{
+	sealed class ReferenceElementGenerator : VisualLineElementGenerator
+	{
+		MainWindow parentWindow;
+		public TextSegmentCollection<ReferenceSegment> References { get; set; }
+		
+		public ReferenceElementGenerator(MainWindow parentWindow)
+		{
+			if (parentWindow == null)
+				throw new ArgumentNullException("parentWindow");
+			this.parentWindow = parentWindow;
+		}
+		
+		public override int GetFirstInterestedOffset(int startOffset)
+		{
+			if (this.References == null)
+				return -1;
+			var segment = this.References.FindFirstSegmentWithStartAfter(startOffset);
+			return segment != null ? segment.StartOffset : -1;
+		}
+		
+		public override VisualLineElement ConstructElement(int offset)
+		{
+			if (this.References == null)
+				return null;
+			foreach (var segment in this.References.FindSegmentsContaining(offset)) {
+				if (offset < segment.EndOffset) {
+					return new VisualLineReferenceText(CurrentContext.VisualLine, segment.EndOffset - offset, this, segment);
+				}
+			}
+			return null;
+		}
+		
+		internal void JumpToReference(ReferenceSegment referenceSegment)
+		{
+			parentWindow.JumpToReference(referenceSegment);
+		}
+	}
+	
+	/// <summary>
+	/// VisualLineElement that represents a piece of text and is a clickable link.
+	/// </summary>
+	sealed class VisualLineReferenceText : VisualLineText
+	{
+		ReferenceElementGenerator parent;
+		ReferenceSegment referenceSegment;
+		
+		/// <summary>
+		/// Creates a visual line text element with the specified length.
+		/// It uses the <see cref="ITextRunConstructionContext.VisualLine"/> and its
+		/// <see cref="VisualLineElement.RelativeTextOffset"/> to find the actual text string.
+		/// </summary>
+		public VisualLineReferenceText(VisualLine parentVisualLine, int length, ReferenceElementGenerator parent, ReferenceSegment referenceSegment) : base(parentVisualLine, length)
+		{
+			this.parent = parent;
+			this.referenceSegment = referenceSegment;
+		}
+		
+		/// <inheritdoc/>
+		protected override void OnQueryCursor(QueryCursorEventArgs e)
+		{
+			e.Handled = true;
+			e.Cursor = Cursors.Hand;
+		}
+		
+		/// <inheritdoc/>
+		protected override void OnMouseDown(MouseButtonEventArgs e)
+		{
+			if (e.ChangedButton == MouseButton.Left && !e.Handled) {
+				parent.JumpToReference(referenceSegment);
+				e.Handled = true;
+			}
+		}
+		
+		/// <inheritdoc/>
+		protected override VisualLineText CreateInstance(int length)
+		{
+			return new VisualLineReferenceText(ParentVisualLine, length, parent, referenceSegment);
+		}
+	}
+}