C++ symbols find filter for advanced find.

Required refactoring of the search result window to show real trees of
search results.

The backend is the backend from the Locator filter, which is a bit
outdated now.

src/plugins/cpptools/searchsymbols.cpp

@@ -32,10 +32,17 @@
 #include <Literals.h>
 #include <Scope.h>
 #include <Names.h>
+#include <cplusplus/LookupContext.h>
 
 using namespace CPlusPlus;
 using namespace CppTools::Internal;
 
+SearchSymbols::SymbolTypes SearchSymbols::AllTypes =
+        SearchSymbols::Classes
+        | SearchSymbols::Functions
+        | SearchSymbols::Enums
+        | SearchSymbols::Declarations;
+
 SearchSymbols::SearchSymbols():
     symbolsToSearchFor(Classes | Functions | Enums),
     separateScope(false)
@@ -204,13 +211,17 @@ QString SearchSymbols::symbolName(const Symbol *symbol) const
 void SearchSymbols::appendItem(const QString &name,
                                const QString &info,
                                ModelItemInfo::ItemType type,
-                               const Symbol *symbol)
+                               Symbol *symbol)
 {
     if (!symbol->name())
         return;
 
+    QStringList fullyQualifiedName;
+    foreach (const Name *name, LookupContext::fullyQualifiedName(symbol))
+        fullyQualifiedName.append(overview.prettyName(name));
     const QIcon icon = icons.iconForSymbol(symbol);
     items.append(ModelItemInfo(name, info, type,
+                               fullyQualifiedName,
                                QString::fromUtf8(symbol->fileName(), symbol->fileNameLength()),
                                symbol->line(),
                                symbol->column() - 1, // 1-based vs 0-based column