libpyside: Implement QMetaMethod::tags() for @Slot

Tags can be used like annotations and are for example
used in the DBus module.

[ChangeLog][PySide6] An optional parameter "tag" has been
added to @Slot, allowing to set QMetaMethod.tag().

Pick-to: 6.6
Fixes: PYSIDE-748
Change-Id: I62bef6179917307471cb72491ac3d05970572f3f
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

1 files changed, 7 insertions, 3 deletions

diff --git a/sources/pyside6/libpyside/dynamicqmetaobject.cpp b/sources/pyside6/libpyside/dynamicqmetaobject.cpp
index b7fbc7661..b41dbc275 100644
--- a/sources/pyside6/libpyside/dynamicqmetaobject.cpp
+++ b/sources/pyside6/libpyside/dynamicqmetaobject.cpp
@@ -53,7 +53,8 @@ public:
                       const QByteArray &signature) const;
     int indexOfProperty(const QByteArray &name) const;
     int addSlot(const QByteArray &signature);
-    int addSlot(const QByteArray &signature, const QByteArray &type);
+    int addSlot(const QByteArray &signature, const QByteArray &type,
+                const QByteArray &tag = {});
     int addSignal(const QByteArray &signature);
     void removeMethod(QMetaMethod::MethodType mtype, int index);
     int getPropertyNotifyId(PySideProperty *property) const;
@@ -211,7 +212,8 @@ int MetaObjectBuilder::addSlot(const char *signature)
 }
 
 int MetaObjectBuilderPrivate::addSlot(const QByteArray &signature,
-                                      const QByteArray &type)
+                                      const QByteArray &type,
+                                      const QByteArray &tag)
 {
     if (!checkMethodSignature(signature))
         return -1;
@@ -219,6 +221,8 @@ int MetaObjectBuilderPrivate::addSlot(const QByteArray &signature,
     QMetaMethodBuilder methodBuilder = ensureBuilder()->addSlot(signature);
     if (!type.isEmpty() && type != "void"_ba)
         methodBuilder.setReturnType(type);
+    if (!tag.isEmpty())
+        methodBuilder.setTag(tag);
     return m_baseObject->methodCount() + methodBuilder.index();
 }
 
@@ -638,7 +642,7 @@ void MetaObjectBuilderPrivate::parsePythonType(PyTypeObject *type)
                     const auto *entryList = PySide::Slot::dataListFromCapsule(capsule);
                     for (const auto &e : *entryList) {
                         if (m_baseObject->indexOfSlot(e.signature) == -1)
-                            addSlot(e.signature, e.resultType);
+                            addSlot(e.signature, e.resultType, e.tag);
                     }
                 }
             }