When going to the definition of a CompoundClass, go to the shortest file name. This prevents going to the Designer.cs part instead of the main part.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.1@2436 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/ICSharpCode.TextEditor/Project/Src/Document/TextBufferStrategy/GapTextBufferStrategy.cs

@@ -53,6 +53,12 @@ namespace ICSharpCode.TextEditor.Document
 		
 		public char GetCharAt(int offset)
 		{
+			#if DEBUG
+			CheckThread();
+			if (offset < 0 || offset >= Length) {
+				throw new ArgumentOutOfRangeException("offset", offset, "0 <= offset < " + Length.ToString());
+			}
+			#endif
 			return offset < gapBeginOffset ? buffer[offset] : buffer[offset + GapLength];
 		}
 		
@@ -60,6 +66,12 @@ namespace ICSharpCode.TextEditor.Document
 		{
 			#if DEBUG
 			CheckThread();
+			if (offset < 0 || offset > Length) {
+				throw new ArgumentOutOfRangeException("offset", offset, "0 <= offset <= " + Length.ToString());
+			}
+			if (length < 0 || offset + length > Length) {
+				throw new ArgumentOutOfRangeException("length", length, "0 <= length, offset+length <= " + Length.ToString());
+			}
 			#endif
 			int end = offset + length;
 			
@@ -96,6 +108,16 @@ namespace ICSharpCode.TextEditor.Document
 				text = String.Empty;
 			}
 			
+			#if DEBUG
+			CheckThread();
+			if (offset < 0 || offset > Length) {
+				throw new ArgumentOutOfRangeException("offset", offset, "0 <= offset <= " + Length.ToString());
+			}
+			if (length < 0 || offset + length > Length) {
+				throw new ArgumentOutOfRangeException("length", length, "0 <= length, offset+length <= " + Length.ToString());
+			}
+			#endif
+			
 			// Math.Max is used so that if we need to resize the array
 			// the new array has enough space for all old chars
 			PlaceGap(offset + length, Math.Max(text.Length - length, 0));

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Implementations/CompoundClass.cs

@@ -35,8 +35,10 @@ namespace ICSharpCode.SharpDevelop.Dom
 		/// <summary>
 		/// Creates a new CompoundClass with the specified class as first part.
 		/// </summary>
-		public CompoundClass(IClass firstPart) : base(firstPart.CompilationUnit, firstPart.FullyQualifiedName)
+		public CompoundClass(IClass firstPart) : base(new DefaultCompilationUnit(firstPart.ProjectContent), firstPart.FullyQualifiedName)
 		{
+			this.CompilationUnit.Classes.Add(this);
+			
 			parts.Add(firstPart);
 			UpdateInformationFromParts();
 		}
@@ -48,15 +50,23 @@ namespace ICSharpCode.SharpDevelop.Dom
 		{
 			// Common for all parts:
 			this.ClassType = parts[0].ClassType;
-			this.CompilationUnit.FileName = parts[0].CompilationUnit.FileName;
-			this.Region = parts[0].Region;
 			
 			ModifierEnum modifier = ModifierEnum.None;
 			const ModifierEnum defaultClassVisibility = ModifierEnum.Internal;
 			
 			this.BaseTypes.Clear();
 			this.Attributes.Clear();
+			
+			string shortestFileName = null;
+			
 			foreach (IClass part in parts) {
+				if (!string.IsNullOrEmpty(part.CompilationUnit.FileName)) {
+					if (shortestFileName == null || part.CompilationUnit.FileName.Length < shortestFileName.Length) {
+						shortestFileName = part.CompilationUnit.FileName;
+						this.Region = part.Region;
+					}
+				}
+				
 				if ((part.Modifiers & ModifierEnum.VisibilityMask) != defaultClassVisibility) {
 					modifier |= part.Modifiers;
 				} else {
@@ -71,6 +81,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 					this.Attributes.Add(attribute);
 				}
 			}
+			this.CompilationUnit.FileName = shortestFileName;
 			if ((modifier & ModifierEnum.VisibilityMask) == ModifierEnum.None) {
 				modifier |= defaultClassVisibility;
 			}