qdoc: Only link to C++ types when resolving C++ function arguments

QDoc ignored the type (genus) of the node when resolving links to
function arguments or return types.

This commit ensures that C++ function signatures contain no links
to QML types, and vice versa.

Task-number: QTBUG-54875
Change-Id: If8369e3e86f6854044b394b82cfdd8379cfbcf8e
Reviewed-by: Martin Smith <martin.smith@theqtcompany.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/qdoc/qdocdatabase.h b/src/qdoc/qdocdatabase.h
index 8b1184853..afb78a95f 100644
--- a/src/qdoc/qdocdatabase.h
+++ b/src/qdoc/qdocdatabase.h
@@ -145,9 +145,12 @@ class QDocForest
 
     const Node* findTypeNode(const QStringList& path, const Node* relative)
     {
+        int flags = SearchBaseClasses | SearchEnumValues | NonFunction;
+        Node::Genus genus = Node::DontCare;
+        if (relative)
+            genus = relative->genus();
         foreach (Tree* t, searchOrder()) {
-            int flags = SearchBaseClasses | SearchEnumValues | NonFunction;
-            const Node* n = t->findNode(path, relative, flags, Node::DontCare);
+            const Node* n = t->findNode(path, relative, flags, genus);
             if (n)
                 return n;
             relative = 0;