From 3c9dc9f1396002f73cc1520b9517d93603066901 Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Sat, 17 Jun 2006 12:07:26 +0000
Subject: [PATCH] Fixed forum-8579: "Goto Matching Brace" doesn't work if
 "Highlighting matching braces" is deactivated

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1495 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
---
 .../Project/Src/Actions/MiscActions.cs        |  7 ++-
 .../Project/Src/Gui/TextArea.cs               | 57 +++++++++----------
 .../NRefactoryCodeGenerator.cs                |  5 +-
 3 files changed, 35 insertions(+), 34 deletions(-)

diff --git a/src/Libraries/ICSharpCode.TextEditor/Project/Src/Actions/MiscActions.cs b/src/Libraries/ICSharpCode.TextEditor/Project/Src/Actions/MiscActions.cs
index 722e2cba64..4539bb4d25 100644
--- a/src/Libraries/ICSharpCode.TextEditor/Project/Src/Actions/MiscActions.cs
+++ b/src/Libraries/ICSharpCode.TextEditor/Project/Src/Actions/MiscActions.cs
@@ -905,9 +905,10 @@ namespace ICSharpCode.TextEditor.Actions
 	{
 		public override void Execute(TextArea textArea)
 		{
-			if (textArea.TextView.Highlight != null) {
-				Point p1 = new Point(textArea.TextView.Highlight.CloseBrace.X + 1, textArea.TextView.Highlight.CloseBrace.Y);
-				Point p2 = new Point(textArea.TextView.Highlight.OpenBrace.X + 1, textArea.TextView.Highlight.OpenBrace.Y);
+			Highlight highlight = textArea.FindMatchingBracketHighlight();
+			if (highlight != null) {
+				Point p1 = new Point(highlight.CloseBrace.X + 1, highlight.CloseBrace.Y);
+				Point p2 = new Point(highlight.OpenBrace.X + 1, highlight.OpenBrace.Y);
 				if (p1 == textArea.Caret.Position) {
 					if (textArea.Document.TextEditorProperties.BracketMatchingStyle == BracketMatchingStyle.After) {
 						textArea.Caret.Position = p2;
diff --git a/src/Libraries/ICSharpCode.TextEditor/Project/Src/Gui/TextArea.cs b/src/Libraries/ICSharpCode.TextEditor/Project/Src/Gui/TextArea.cs
index 9c0f97f8a8..ec28525d6e 100644
--- a/src/Libraries/ICSharpCode.TextEditor/Project/Src/Gui/TextArea.cs
+++ b/src/Libraries/ICSharpCode.TextEditor/Project/Src/Gui/TextArea.cs
@@ -229,42 +229,39 @@ namespace ICSharpCode.TextEditor
 				textView.Highlight = null;
 				return;
 			}
-			bool changed = false;
-			if (caret.Offset == 0) {
-				if (textView.Highlight != null) {
-					int line  = textView.Highlight.OpenBrace.Y;
-					int line2 = textView.Highlight.CloseBrace.Y;
-					textView.Highlight = null;
-					UpdateLine(line);
-					UpdateLine(line2);
-				}
-				return;
+			int oldLine1 = -1, oldLine2 = -1;
+			if (textView.Highlight != null && textView.Highlight.OpenBrace.Y >=0 && textView.Highlight.OpenBrace.Y < Document.TotalNumberOfLines) {
+				oldLine1 = textView.Highlight.OpenBrace.Y;
+			}
+			if (textView.Highlight != null && textView.Highlight.CloseBrace.Y >=0 && textView.Highlight.CloseBrace.Y < Document.TotalNumberOfLines) {
+				oldLine2 = textView.Highlight.CloseBrace.Y;
 			}
+			textView.Highlight = FindMatchingBracketHighlight();
+			if (oldLine1 >= 0)
+				UpdateLine(oldLine1);
+			if (oldLine2 >= 0 && oldLine2 != oldLine1)
+				UpdateLine(oldLine2);
+			if (textView.Highlight != null) {
+				int newLine1 = textView.Highlight.OpenBrace.Y;
+				int newLine2 = textView.Highlight.CloseBrace.Y;
+				if (newLine1 != oldLine1 && newLine1 != oldLine2)
+					UpdateLine(newLine1);
+				if (newLine2 != oldLine1 && newLine2 != oldLine2 && newLine2 != newLine1)
+					UpdateLine(newLine2);
+			}
+		}
+		
+		public Highlight FindMatchingBracketHighlight()
+		{
+			if (Caret.Offset == 0)
+				return null;
 			foreach (BracketHighlightingSheme bracketsheme in bracketshemes) {
-//				if (bracketsheme.IsInside(textareapainter.Document, textareapainter.Document.Caret.Offset)) {
 				Highlight highlight = bracketsheme.GetHighlight(Document, Caret.Offset - 1);
-				if (textView.Highlight != null && textView.Highlight.OpenBrace.Y >=0 && textView.Highlight.OpenBrace.Y < Document.TotalNumberOfLines) {
-					UpdateLine(textView.Highlight.OpenBrace.Y);
-				}
-				if (textView.Highlight != null && textView.Highlight.CloseBrace.Y >=0 && textView.Highlight.CloseBrace.Y < Document.TotalNumberOfLines) {
-					UpdateLine(textView.Highlight.CloseBrace.Y);
-				}
-				textView.Highlight = highlight;
 				if (highlight != null) {
-					changed = true;
-					break;
-				}
-//				}
-			}
-			if (changed || textView.Highlight != null) {
-				int line = textView.Highlight.OpenBrace.Y;
-				int line2 = textView.Highlight.CloseBrace.Y;
-				if (!changed) {
-					textView.Highlight = null;
+					return highlight;
 				}
-				UpdateLine(line);
-				UpdateLine(line2);
 			}
+			return null;
 		}
 		
 		public void SetDesiredColumn()
diff --git a/src/Main/Base/Project/Src/Services/RefactoringService/NRefactoryCodeGenerator.cs b/src/Main/Base/Project/Src/Services/RefactoringService/NRefactoryCodeGenerator.cs
index f57202baa7..a30df82608 100644
--- a/src/Main/Base/Project/Src/Services/RefactoringService/NRefactoryCodeGenerator.cs
+++ b/src/Main/Base/Project/Src/Services/RefactoringService/NRefactoryCodeGenerator.cs
@@ -31,7 +31,10 @@ namespace ICSharpCode.SharpDevelop.Refactoring
 			if (node is Statement)
 				visitor.OutputFormatter.Indent();
 			node.AcceptVisitor(visitor, null);
-			return visitor.Text;
+			string text = visitor.Text;
+			if (node is Statement && !text.EndsWith("\n"))
+				text += Environment.NewLine;
+			return text;
 		}
 	}