From 984b1ab9e169338f675c5e82a12bdada3f3119ca Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Sun, 30 Aug 2009 18:11:02 +0000
Subject: [PATCH] Add TextView.InvalidateLayer. Enabled bracket highlighting.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@4842 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
---
 .../Src/BracketHighlightRenderer.cs           | 10 ++++----
 .../AvalonEdit.AddIn/Src/CodeEditor.cs        |  8 +++----
 .../Rendering/TextView.cs                     | 23 ++++++++-----------
 3 files changed, 19 insertions(+), 22 deletions(-)

diff --git a/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/BracketHighlightRenderer.cs b/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/BracketHighlightRenderer.cs
index 2bda1e5556..c9a4907bcb 100644
--- a/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/BracketHighlightRenderer.cs
+++ b/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/BracketHighlightRenderer.cs
@@ -4,9 +4,11 @@
 //     <owner name="Siegfried Pammer" email="siegfriedpammer@gmail.com"/>
 //     <version>$Revision$</version>
 // </file>
-using ICSharpCode.AvalonEdit.Document;
 using System;
+using System.Diagnostics;
 using System.Windows.Media;
+
+using ICSharpCode.AvalonEdit.Document;
 using ICSharpCode.AvalonEdit.Rendering;
 using ICSharpCode.SharpDevelop.Editor;
 
@@ -21,9 +23,7 @@ namespace ICSharpCode.AvalonEdit.AddIn
 		public void SetHighlight(BracketSearchResult result)
 		{
 			this.result = result;
-			var layer = textView.GetKnownLayer(Layer);
-			if (layer != null)
-				layer.InvalidateVisual();
+			textView.InvalidateLayer(this.Layer);
 		}
 		
 		public BracketHighlightRenderer(TextView textView)
@@ -35,7 +35,7 @@ namespace ICSharpCode.AvalonEdit.AddIn
 			this.borderPen.Freeze();
 			this.textView = textView;
 			
-			//this.textView.BackgroundRenderers.Add(this);
+			this.textView.BackgroundRenderers.Add(this);
 		}
 		
 		public KnownLayer Layer {
diff --git a/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/CodeEditor.cs b/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/CodeEditor.cs
index 22e966b95c..eb77eac3e1 100644
--- a/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/CodeEditor.cs
+++ b/src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/CodeEditor.cs
@@ -299,10 +299,10 @@ namespace ICSharpCode.AvalonEdit.AddIn
 			
 			if (activeAdapter.Language != null) {
 				var bracketSearchResult = activeAdapter.Language.BracketSearcher.SearchBracket(activeAdapter.Document, activeAdapter.Caret.Offset);
-//				if (activeAdapter == primaryTextEditorAdapter)
-//					this.primaryBracketRenderer.SetHighlight(bracketSearchResult);
-//				else
-//					this.secondaryBracketRenderer.SetHighlight(bracketSearchResult);
+				if (activeAdapter == primaryTextEditorAdapter)
+					this.primaryBracketRenderer.SetHighlight(bracketSearchResult);
+				else
+					this.secondaryBracketRenderer.SetHighlight(bracketSearchResult);
 			}
 			
 			StatusBarService.SetCaretPosition(caret.Column, caret.Line, caret.Column);
diff --git a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
index bd088f9c00..6e19efd337 100644
--- a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
+++ b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
@@ -247,19 +247,6 @@ namespace ICSharpCode.AvalonEdit.Rendering
 			get { return layers; }
 		}
 		
-		/// <summary>
-		/// Retrieves a known layer from the Layers collection.
-		/// </summary>
-		public UIElement GetKnownLayer(KnownLayer knownLayer)
-		{
-			foreach (UIElement layer in layers) {
-				LayerPosition p = LayerPosition.GetLayerPosition(layer);
-				if (p != null && p.KnownLayer == knownLayer)
-					return layer;
-			}
-			return null;
-		}
-		
 		/// <summary>
 		/// Inserts a new layer at a position specified relative to an existing layer.
 		/// </summary>
@@ -379,6 +366,16 @@ namespace ICSharpCode.AvalonEdit.Rendering
 			}
 		}
 		
+		/// <summary>
+		/// Causes a known layer to redraw.
+		/// This method does not invalidate visual lines;
+		/// use the <see cref="Redraw()"/> method to do that.
+		/// </summary>
+		public void InvalidateLayer(KnownLayer knownLayer)
+		{
+			InvalidateMeasure(DispatcherPriority.Normal);
+		}
+		
 		/// <summary>
 		/// Causes the text editor to redraw all lines overlapping with the specified segment.
 		/// Does nothing if segment is null.