6 files changed, 192 insertions, 0 deletions
diff --git a/examples/qml/referenceexamples/attached/attached.pyproject b/examples/qml/referenceexamples/attached/attached.pyproject
new file mode 100644
index 000000000..3c01c40c2
--- /dev/null
+++ b/examples/qml/referenceexamples/attached/attached.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["main.py", "birthdayparty.py", "person.py", "example.qml"]
+}
diff --git a/examples/qml/referenceexamples/attached/birthdayparty.py b/examples/qml/referenceexamples/attached/birthdayparty.py
new file mode 100644
index 000000000..d83236e26
--- /dev/null
+++ b/examples/qml/referenceexamples/attached/birthdayparty.py
@@ -0,0 +1,63 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+from PySide6.QtCore import QDate, QObject, ClassInfo, Property
+from PySide6.QtQml import QmlAnonymous, QmlAttached, QmlElement, ListProperty
+
+from person import Person
+
+
+# To be used on the @QmlElement decorator
+# (QML_IMPORT_MINOR_VERSION is optional)
+QML_IMPORT_NAME = "examples.default.people"
+QML_IMPORT_MAJOR_VERSION = 1
+
+
+@QmlAnonymous
+class BirthdayPartyAttached(QObject):
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._rsvp = QDate()
+
+    @Property(QDate)
+    def rsvp(self):
+        return self._rsvp
+
+    @rsvp.setter
+    def rsvp(self, d):
+        self._rsvp = d
+
+
+@QmlElement
+@ClassInfo(DefaultProperty="guests")
+@QmlAttached(BirthdayPartyAttached)
+class BirthdayParty(QObject):
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._host = None
+        self._guests = []
+
+    @Property(Person)
+    def host(self):
+        return self._host
+
+    @host.setter
+    def host(self, h):
+        self._host = h
+
+    def guest(self, n):
+        return self._guests[n]
+
+    def guestCount(self):
+        return len(self._guests)
+
+    def appendGuest(self, guest):
+        self._guests.append(guest)
+
+    @staticmethod
+    def qmlAttachedProperties(self, o):
+        return BirthdayPartyAttached(o)
+
+    guests = ListProperty(Person, appendGuest)
diff --git a/examples/qml/referenceexamples/attached/doc/attached.rst b/examples/qml/referenceexamples/attached/doc/attached.rst
new file mode 100644
index 000000000..95fb5c43c
--- /dev/null
+++ b/examples/qml/referenceexamples/attached/doc/attached.rst
@@ -0,0 +1,12 @@
+.. _qml-attached-properties-example:
+
+Extending QML - Attached Properties Example
+===========================================
+
+This example builds on the :ref:`qml-default-property-example`,
+:ref:`qml-inheritance-and-coercion-example`,
+:ref:`qml-object-and-list-property-types-example`
+and the :ref:`qml-adding-types-example`.
+
+The Attached Properties Example example shows how to inject
+properties to child objects.
diff --git a/examples/qml/referenceexamples/attached/example.qml b/examples/qml/referenceexamples/attached/example.qml
new file mode 100644
index 000000000..f038b3ece
--- /dev/null
+++ b/examples/qml/referenceexamples/attached/example.qml
@@ -0,0 +1,22 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import examples.default.people
+
+BirthdayParty {
+    Boy {
+        name: "Robert Campbell"
+        BirthdayParty.rsvp: "2009-07-01"
+    }
+
+    Boy {
+        name: "Leo Hodges"
+        shoe_size: 10
+        BirthdayParty.rsvp: "2009-07-06"
+    }
+
+    host: Boy {
+        name: "Jack Smith"
+        shoe_size: 8
+    }
+}
diff --git a/examples/qml/referenceexamples/attached/main.py b/examples/qml/referenceexamples/attached/main.py
new file mode 100644
index 000000000..d7483559f
--- /dev/null
+++ b/examples/qml/referenceexamples/attached/main.py
@@ -0,0 +1,46 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+"""PySide6 port of the qml/examples/qml/referenceexamples/attached example from Qt v6.x"""
+
+from pathlib import Path
+import sys
+
+from PySide6.QtCore import QCoreApplication, QUrl
+from PySide6.QtQml import QQmlComponent, QQmlEngine, qmlAttachedPropertiesObject
+
+from person import Boy, Girl
+from birthdayparty import BirthdayParty
+
+
+app = QCoreApplication(sys.argv)
+qml_file = Path(__file__).parent / "example.qml"
+url = QUrl.fromLocalFile(qml_file)
+engine = QQmlEngine()
+component = QQmlComponent(engine, url)
+party = component.create()
+if not party:
+    print(component.errors())
+    del engine
+    sys.exit(-1)
+host = party.host
+print(f"{host.name} is having a birthday!")
+if isinstance(host, Boy):
+    print("He is inviting:")
+else:
+    print("She is inviting:")
+for g in range(party.guestCount()):
+    guest = party.guest(g)
+    name = guest.name
+
+    rsvp_date = None
+    attached = qmlAttachedPropertiesObject(BirthdayParty, guest, False)
+    if attached:
+        rsvp_date = attached.rsvp.toString()
+    if rsvp_date:
+        print(f"    {name} RSVP date: {rsvp_date}")
+    else:
+        print(f"    {name} RSVP date: Hasn't RSVP'd")
+
+del engine
+sys.exit(0)
diff --git a/examples/qml/referenceexamples/attached/person.py b/examples/qml/referenceexamples/attached/person.py
new file mode 100644
index 000000000..7164bd645
--- /dev/null
+++ b/examples/qml/referenceexamples/attached/person.py
@@ -0,0 +1,46 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+from PySide6.QtCore import QObject, Property
+from PySide6.QtQml import QmlAnonymous, QmlElement
+
+# To be used on the @QmlElement decorator
+# (QML_IMPORT_MINOR_VERSION is optional)
+QML_IMPORT_NAME = "examples.default.people"
+QML_IMPORT_MAJOR_VERSION = 1
+
+
+@QmlAnonymous
+class Person(QObject):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._name = ''
+        self._shoe_size = 0
+
+    @Property(str)
+    def name(self):
+        return self._name
+
+    @name.setter
+    def name(self, n):
+        self._name = n
+
+    @Property(int)
+    def shoe_size(self):
+        return self._shoe_size
+
+    @shoe_size.setter
+    def shoe_size(self, s):
+        self._shoe_size = s
+
+
+@QmlElement
+class Boy(Person):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+
+@QmlElement
+class Girl(Person):
+    def __init__(self, parent=None):
+        super().__init__(parent)