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outdated now.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.h

@@ -52,12 +52,14 @@ struct ModelItemInfo
 
     ModelItemInfo()
         : type(Declaration),
-          line(0)
+          line(0),
+          column(0)
     { }
 
     ModelItemInfo(const QString &symbolName,
                   const QString &symbolType,
                   ItemType type,
+                  QStringList fullyQualifiedName,
                   const QString &fileName,
                   int line,
                   int column,
@@ -65,15 +67,28 @@ struct ModelItemInfo
         : symbolName(symbolName),
           symbolType(symbolType),
           type(type),
+          fullyQualifiedName(fullyQualifiedName),
           fileName(fileName),
           line(line),
           column(column),
           icon(icon)
     { }
 
+    ModelItemInfo(const ModelItemInfo &otherInfo)
+        : symbolName(otherInfo.symbolName),
+          symbolType(otherInfo.symbolType),
+          type(otherInfo.type),
+          fullyQualifiedName(otherInfo.fullyQualifiedName),
+          fileName(otherInfo.fileName),
+          line(otherInfo.line),
+          column(otherInfo.column),
+          icon(otherInfo.icon)
+    {  }
+
     QString symbolName;
     QString symbolType;
     ItemType type;
+    QStringList fullyQualifiedName;
     QString fileName;
     int line;
     int column;
@@ -90,8 +105,11 @@ public:
         Enums        = 0x4,
         Declarations = 0x8
     };
+
     Q_DECLARE_FLAGS(SymbolTypes, SymbolType)
 
+    static SymbolTypes AllTypes;
+
     SearchSymbols();
 
     void setSymbolsToSearchFor(SymbolTypes types);
@@ -121,7 +139,7 @@ protected:
     void appendItem(const QString &name,
                     const QString &info,
                     ModelItemInfo::ItemType type,
-                    const CPlusPlus::Symbol *symbol);
+                    CPlusPlus::Symbol *symbol);
 
 private:
     QString findOrInsert(const QString &s)