Fixed SD2-549: Scrolling split window after expanding a region

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@903 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/ICSharpCode.TextEditor/Project/Src/Actions/FoldActions.cs

@@ -22,7 +22,6 @@ namespace ICSharpCode.TextEditor.Actions
 			foreach (FoldMarker fm in foldMarkers) {
 				fm.IsFolded = !fm.IsFolded;
 			}
-			textArea.Refresh();
 			textArea.Document.FoldingManager.NotifyFoldingsChanged(EventArgs.Empty);
 		}
 	}
@@ -41,7 +40,6 @@ namespace ICSharpCode.TextEditor.Actions
 			foreach (FoldMarker fm in  textArea.Document.FoldingManager.FoldMarker) {
 				fm.IsFolded = doFold;
 			}
-			textArea.Refresh();
 			textArea.Document.FoldingManager.NotifyFoldingsChanged(EventArgs.Empty);
 		}
 	}
@@ -53,7 +51,6 @@ namespace ICSharpCode.TextEditor.Actions
 			foreach (FoldMarker fm in  textArea.Document.FoldingManager.FoldMarker) {
 				fm.IsFolded = fm.FoldType == FoldType.MemberBody || fm.FoldType == FoldType.Region;
 			}
-			textArea.Refresh();
 			textArea.Document.FoldingManager.NotifyFoldingsChanged(EventArgs.Empty);
 		}
 	}

src/Libraries/ICSharpCode.TextEditor/Project/Src/Gui/Caret.cs

@@ -295,9 +295,6 @@ namespace ICSharpCode.TextEditor
 			}
 			
 			if (shouldUpdate) {
-				textArea.BeginUpdate();
-				textArea.Document.RequestUpdate(new TextAreaUpdate(TextAreaUpdateType.WholeTextArea));
-				textArea.EndUpdate();
 				textArea.Document.FoldingManager.NotifyFoldingsChanged(EventArgs.Empty);
 			}
 			

src/Libraries/ICSharpCode.TextEditor/Project/Src/Gui/FoldMargin.cs

@@ -229,8 +229,7 @@ namespace ICSharpCode.TextEditor
 			foreach (FoldMarker fm in foldMarkers) {
 				fm.IsFolded = !fm.IsFolded;
 			}
-			textArea.MotherTextAreaControl.AdjustScrollBars(null, null);
-			textArea.Refresh();
+			textArea.Document.FoldingManager.NotifyFoldingsChanged(EventArgs.Empty);
 		}
 		
 		public override void HandleMouseLeave(EventArgs e)

src/Libraries/ICSharpCode.TextEditor/Project/Src/Gui/TextArea.cs

@@ -457,6 +457,7 @@ namespace ICSharpCode.TextEditor
 		}
 		void DocumentFoldingsChanged(object sender, EventArgs e)
 		{
+			Invalidate();
 			this.motherTextAreaControl.AdjustScrollBars(null, null);
 		}