- Fix incorrect result of symbol qualified name

Author: wmjordan

Codist/Controls/CSharpSymbolContextMenu.cs

@@ -61,7 +61,7 @@ public void AddCopyAndSearchSymbolCommands() {
 			var symbol = _commandFactory.Symbol;
 			AddCommand(CommandId.CopySymbolName);
 
-			if (symbol.CanBeReferencedByName) {
+			if (symbol.HasReferenceableName()) {
 				var cmd = CreateWebSearchCommand();
 				if (cmd != null) {
 					AddCommand(cmd);

Codist/Controls/SymbolFilterBox.cs

@@ -402,11 +402,7 @@ public override void UpdateNumbers(IEnumerable<SymbolItem> symbols) {
 				int pu = 0, pro = 0, i = 0, p = 0;
 				foreach (var item in symbols) {
 					var symbol = item.Symbol;
-					if (symbol == null || symbol.IsImplicitlyDeclared) {
-						continue;
-					}
-					if (symbol.CanBeReferencedByName == false
-						&& (symbol.Kind != SymbolKind.Method || ((IMethodSymbol)symbol).MethodKind != MethodKind.Constructor)) {
+					if (symbol == null || symbol.IsImplicitlyDeclared || !symbol.HasReferenceableName()) {
 						continue;
 					}
 					switch (symbol.DeclaredAccessibility) {

Codist/Semantics/CodeAnalysisHelper.Symbol.cs

@@ -203,7 +203,7 @@ public static string GetDeclarationId(this ISymbol symbol) {
 		}
 
 		public static string GetQualifiedName(this ISymbol symbol) {
-			if (symbol.Name.Contains('.')) {
+			if (symbol.GetExplicitInterfaceImplementations().Count != 0) {
 				// explicit interface implementation name
 				return symbol.Name;
 			}
@@ -230,6 +230,11 @@ public static string GetQualifiedName(this ISymbol symbol) {
 			return String.Join(".", chain);
 		}
 
+		public static bool HasReferenceableName(this ISymbol symbol) {
+			return symbol.CanBeReferencedByName
+				|| (symbol.Kind == SymbolKind.Method && ((IMethodSymbol)symbol).MethodKind == MethodKind.Constructor);
+		}
+
 		public static string GetOriginalName(this ISymbol symbol) {
 			switch (symbol.Kind) {
 				case SymbolKind.Method: