Add fallback help IDs to built-in model

Task-number: QTCREATORBUG-15959
Change-Id: I1e022450d09cb0e8565573079e412b26d09ce662
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

1 files changed, 6 insertions, 3 deletions

diff --git a/src/plugins/cpptools/cpphoverhandler.cpp b/src/plugins/cpptools/cpphoverhandler.cpp
index f65e701c03..07617a411f 100644
--- a/src/plugins/cpptools/cpphoverhandler.cpp
+++ b/src/plugins/cpptools/cpphoverhandler.cpp
@@ -26,6 +26,7 @@
 #include "cpphoverhandler.h"
 
 #include "cppelementevaluator.h"
+#include "cpptoolsreuse.h"
 
 #include <coreplugin/helpmanager.h>
 #include <texteditor/texteditor.h>
@@ -56,14 +57,16 @@ void CppHoverHandler::identifyMatch(TextEditorWidget *editorWidget, int pos, Rep
         tip += evaluator.diagnosis();
         setPriority(Priority_Diagnostic);
     }
+    const QStringList fallback = identifierWordsUnderCursor(tc);
     if (evaluator.identifiedCppElement()) {
         const QSharedPointer<CppElement> &cppElement = evaluator.cppElement();
-        QStringList candidates = cppElement->helpIdCandidates;
-        candidates.removeDuplicates();
-        const HelpItem helpItem(candidates, cppElement->helpMark, cppElement->helpCategory);
+        const QStringList candidates = cppElement->helpIdCandidates;
+        const HelpItem helpItem(candidates + fallback, cppElement->helpMark, cppElement->helpCategory);
         setLastHelpItemIdentified(helpItem); // tool tip appended by decorateToolTip
         if (!helpItem.isValid())
             tip += cppElement->tooltip;
+    } else {
+        setLastHelpItemIdentified({fallback, {}, HelpItem::Unknown});
     }
     setToolTip(tip);
 }