* Mono.TextEditor/TextEditor.cs: fixed 'Bug 588454 - Abysmal

  performance of the text editor over VNC'.

svn path=/trunk/monodevelop/; revision=153649

2 files changed, 8 insertions, 4 deletions

diff --git a/main/src/core/Mono.Texteditor/ChangeLog b/main/src/core/Mono.Texteditor/ChangeLog
index fd5c42ad6f..6e4ce4af0a 100644
--- a/main/src/core/Mono.Texteditor/ChangeLog
+++ b/main/src/core/Mono.Texteditor/ChangeLog
@@ -1,3 +1,8 @@
+2010-03-16  Mike Krüger  <mkrueger@novell.com>
+
+	* Mono.TextEditor/TextEditor.cs: fixed 'Bug 588454 - Abysmal
+	  performance of the text editor over VNC'.
+
 2010-03-15  Michael Hutchinson  <mhutchinson@novell.com>
 
 	* Mono.TextEditor/TextEditor.cs: Use command-scroll instead of
diff --git a/main/src/core/Mono.Texteditor/Mono.TextEditor/TextEditor.cs b/main/src/core/Mono.Texteditor/Mono.TextEditor/TextEditor.cs
index bd22b49c34..ea31983778 100644
--- a/main/src/core/Mono.Texteditor/Mono.TextEditor/TextEditor.cs
+++ b/main/src/core/Mono.Texteditor/Mono.TextEditor/TextEditor.cs
@@ -219,17 +219,16 @@ namespace Mono.TextEditor
 			                          0, from, 
 			                          0, to, 
 			                          Allocation.Width, Allocation.Height - from - to);
+			GdkWindow.Scroll (0, -delta);
 			renderedLines.Clear ();
 			if (delta > 0) {
-				
 				delta += LineHeight;
-				RenderMargins (buffer, new Gdk.Rectangle (0, Allocation.Height - delta, Allocation.Width, delta));
+				RepaintArea (0, Allocation.Height - delta, Allocation.Width, delta);
 			} else {
 				delta -= LineHeight;
-				RenderMargins (buffer, new Gdk.Rectangle (0, 0, Allocation.Width, -delta));
+				RepaintArea (0, 0, Allocation.Width, -delta);
 			}
 			TextViewMargin.VAdjustmentValueChanged ();
-			QueueDraw ();
 		}
 		
 		protected override void OnSetScrollAdjustments (Adjustment hAdjustement, Adjustment vAdjustement)