Add Highlight current line option to Tools->Options memu

data/resources/StringResources.resx

@@ -2425,9 +2425,12 @@ system. I don't think that it needs translation.</comment>
   <data name="Dialog.Options.IDEOptions.TextEditor.Markers.HighlightSymbolCheckBox" xml:space="preserve">
     <value>Highlight symbols</value>
   </data>
-  <data name="Dialog.Options.IDEOptions.TextEditor.Markers.HiglightBracketCheckBox" xml:space="preserve">
+  <data name="Dialog.Options.IDEOptions.TextEditor.Markers.HighlightBracketCheckBox" xml:space="preserve">
     <value>Highlight &amp;matching bracket</value>
   </data>
+  <data name="Dialog.Options.IDEOptions.TextEditor.Markers.HighlightCurrentLineCheckBox" xml:space="preserve">
+    <value>Highlight current line</value>
+  </data>
   <data name="Dialog.Options.IDEOptions.TextEditor.Markers.HorizontalRulerCheckBox" xml:space="preserve">
     <value>Show &amp;horizontal ruler</value>
   </data>

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/CodeEditorView.cs

@@ -158,7 +158,13 @@ namespace ICSharpCode.AvalonEdit.AddIn
 		/// </summary>
 		void HighlightCurrentLine(object sender, EventArgs e)
 		{
-			this.currentLineRenderer.SetHighlight(this.TextArea.Caret.Line);
+			if(this.Adapter.Language != null) {
+				if(CodeEditorOptions.Instance.HighlightCurrentLine) {
+					this.currentLineRenderer.SetHighlight(this.TextArea.Caret.Line);
+				} else {
+					this.currentLineRenderer.SetHighlight(-1);
+				}
+			}
 		}
 		
 		#endregion

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/Options/CodeEditorOptions.cs

@@ -153,6 +153,19 @@ namespace ICSharpCode.AvalonEdit.AddIn.Options
 			}
 		}
 		
+		bool highlightCurrentLine = true;
+		
+		[DefaultValueAttribute(true)]
+		public bool HighlightCurrentLine {
+			get { return highlightCurrentLine; }
+			set {
+				if(highlightCurrentLine != value) {
+					highlightCurrentLine = value;
+					OnPropertyChanged("HighlightCurrentLine");
+				}
+			}
+		}
+		
 		bool highlightSymbol = true;
 		
 		[DefaultValue(true)]

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/Options/TextViewOptions.xaml

@@ -20,7 +20,10 @@
 					Content="{core:Localize Dialog.Options.IDEOptions.TextEditor.Markers.UnderLineErrorsCheckBox}" />
 				<CheckBox
 					IsChecked="{core:OptionBinding local:CodeEditorOptions.HighlightBrackets}"
-					Content="{core:Localize Dialog.Options.IDEOptions.TextEditor.Markers.HiglightBracketCheckBox}" />
+					Content="{core:Localize Dialog.Options.IDEOptions.TextEditor.Markers.HighlightBracketCheckBox}" />
+				<CheckBox
+					IsChecked="{core:OptionBinding local:CodeEditorOptions.HighlightCurrentLine}"
+					Content="{core:Localize Dialog.Options.IDEOptions.TextEditor.Markers.HighlightCurrentLineCheckBox}" />
 				<CheckBox
 					IsChecked="{core:OptionBinding local:CodeEditorOptions.HighlightSymbol}"
 					Content="{core:Localize Dialog.Options.IDEOptions.TextEditor.Markers.HighlightSymbolCheckBox}" />