Fixed tooltip flickering and a resolver bug.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@75 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

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

@@ -299,16 +299,18 @@ namespace ICSharpCode.TextEditor
 		string oldToolTip;
 		public void SetToolTip(string text)
 		{
+			toolTipSet = (text != null);
 			if (oldToolTip == text)
 				return;
 			ToolTip toolTip = this.toolTip;
 			if (text == null) {
+				//Console.WriteLine("Tooltip disabled");
 				toolTip.Hide(this.FindForm());
 			} else {
+				//Console.WriteLine("Tooltip set to " + text);
 				Point p = PointToClient(Control.MousePosition);
 				p.Offset(3, 3);
 				toolTip.Show(text, this, p);
-				toolTipSet = true;
 			}
 			oldToolTip = text;
 		}

src/Main/Base/Project/Src/Dom/NRefactoryResolver/NRefactoryResolver.cs

@@ -420,7 +420,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			
 			foreach (IMethod m in curType.Methods) {
 				if (IsSameName(m.Name, memberName) &&
-				    m.MustBeShown(callingClass, true, isClassInInheritanceTree) &&
+				    m.IsAccessible(callingClass, isClassInInheritanceTree) &&
 				    !((m.Modifiers & ModifierEnum.Override) == ModifierEnum.Override)) {
 					methods.Add(m);
 				}

src/Main/Base/Project/Src/Services/Debugger/DebuggerService.cs

@@ -519,6 +519,9 @@ namespace ICSharpCode.Core
 			}
 		}
 		
+		static string oldExpression, oldToolTip;
+		static int oldLine;
+		
 		/// <summary>
 		/// This function shows variable values as tooltips
 		/// </summary>
@@ -540,7 +543,13 @@ namespace ICSharpCode.Core
 						string textContent = doc.TextContent;
 						string expression = expressionFinder.FindFullExpression(textContent, seg.Offset + xPosition);
 						//Console.WriteLine("MouseMove@" + logicPos + ":" + expression);
-						if (expression != null && expression != String.Empty) {
+						if (expression != null && expression.Length > 0) {
+							if (expression == oldExpression && oldLine == logicPos.Y) {
+								// same expression in same line -> reuse old tooltip
+								textArea.SetToolTip(oldToolTip);
+								// SetToolTip must be called in every mousemove event,
+								// otherwise textArea will close the tooltip.
+							} else {
 								// Look if it is variable
 								//value = selectedThread.LocalVariables[expresion].Value.ToString();
 								ResolveResult result = ParserService.Resolve(expression, logicPos.Y + 1, xPosition + 1, textArea.MotherTextEditorControl.FileName, textContent);
@@ -549,7 +558,11 @@ namespace ICSharpCode.Core
 									value = "expr: >" + expression + "<\n" + value;
 									textArea.SetToolTip(value);
 								}
+								oldToolTip = value;
+							}
 						}
+						oldLine = logicPos.Y;
+						oldExpression = expression;
 					}
 				}
 			} catch (Exception e) {

src/Main/Base/Project/Src/Services/ParserService/CaseSensitiveProjectContent.cs

@@ -97,7 +97,7 @@ namespace ICSharpCode.Core
 		{
 			CaseSensitiveProjectContent newProjectContent = new CaseSensitiveProjectContent();
 			newProjectContent.referencedContents.Add(ProjectContentRegistry.GetMscorlibContent());
-			foreach (ProjectItem item in project.Items) {
+			foreach (ProjectItem item in project.Items.ToArray()) {
 				switch (item.ItemType) {
 					case ItemType.Reference:
 						IProjectContent referencedContent = ProjectContentRegistry.GetProjectContentForReference(item as ReferenceProjectItem);