3 files changed, 40 insertions, 18 deletions
diff --git a/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/birthdayparty.py b/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/birthdayparty.py
index 8c6f7e8fb..3f6102c66 100644
--- a/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/birthdayparty.py
+++ b/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/birthdayparty.py
@@ -1,7 +1,7 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-from PySide6.QtCore import QObject, ClassInfo, Property
+from PySide6.QtCore import QObject, ClassInfo, Property, Signal
 from PySide6.QtQml import QmlElement, ListProperty
 
 from person import Person
@@ -16,19 +16,23 @@ QML_IMPORT_MAJOR_VERSION = 1
 @QmlElement
 @ClassInfo(DefaultProperty="guests")
 class BirthdayParty(QObject):
+    host_changed = Signal()
+    guests_changed = Signal()
 
     def __init__(self, parent=None):
         super().__init__(parent)
         self._host = None
         self._guests = []
 
-    @Property(Person)
+    @Property(Person, notify=host_changed, final=True)
     def host(self):
         return self._host
 
     @host.setter
     def host(self, h):
-        self._host = h
+        if self._host != h:
+            self._host = h
+            self.host_changed.emit()
 
     def guest(self, n):
         return self._guests[n]
@@ -38,5 +42,6 @@ class BirthdayParty(QObject):
 
     def appendGuest(self, guest):
         self._guests.append(guest)
+        self.guests_changed.emit()
 
-    guests = ListProperty(Person, appendGuest)
+    guests = ListProperty(Person, appendGuest, notify=guests_changed, final=True)
diff --git a/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/main.py b/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/main.py
index 657ce272b..3cdddbd06 100644
--- a/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/main.py
+++ b/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/main.py
@@ -37,8 +37,8 @@ if __name__ == '__main__':
         name = guest.name
         print(f"    {name}")
         if not best_shoe or best_shoe.shoe.price < guest.shoe.price:
-            best_shoe = guest;
+            best_shoe = guest
     if best_shoe:
-          print(f"{best_shoe.name} is wearing the best shoes!");
+        print(f"{best_shoe.name} is wearing the best shoes!")
     del engine
     sys.exit(0)
diff --git a/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/person.py b/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/person.py
index 42434fffa..ccd439e88 100644
--- a/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/person.py
+++ b/examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/person.py
@@ -1,7 +1,7 @@
 # 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.QtCore import QObject, Property, Signal
 from PySide6.QtGui import QColor
 from PySide6.QtQml import QmlAnonymous, QmlElement
 
@@ -13,6 +13,11 @@ QML_IMPORT_MAJOR_VERSION = 1
 
 @QmlAnonymous
 class ShoeDescription(QObject):
+    brand_changed = Signal()
+    size_changed = Signal()
+    price_changed = Signal()
+    color_changed = Signal()
+
     def __init__(self, parent=None):
         super().__init__(parent)
         self._brand = ''
@@ -20,55 +25,67 @@ class ShoeDescription(QObject):
         self._price = 0
         self._color = QColor()
 
-    @Property(str)
+    @Property(str, notify=brand_changed, final=True)
     def brand(self):
         return self._brand
 
     @brand.setter
     def brand(self, b):
-        self._brand = b
+        if self._brand != b:
+            self._brand = b
+            self.brand_changed.emit()
 
-    @Property(int)
+    @Property(int, notify=size_changed, final=True)
     def size(self):
         return self._size
 
     @size.setter
     def size(self, s):
-        self._size = s
+        if self._size != s:
+            self._size = s
+            self.size_changed.emit()
 
-    @Property(float)
+    @Property(float, notify=price_changed, final=True)
     def price(self):
         return self._price
 
     @price.setter
     def price(self, p):
-        self._price = p
+        if self._price != p:
+            self._price = p
+            self.price_changed.emit()
 
-    @Property(QColor)
+    @Property(QColor, notify=color_changed, final=True)
     def color(self):
         return self._color
 
     @color.setter
     def color(self, c):
-        self._color = c
+        if self._color != c:
+            self._color = c
+            self.color_changed.emit()
 
 
 @QmlAnonymous
 class Person(QObject):
+    name_changed = Signal()
+
     def __init__(self, parent=None):
         super().__init__(parent)
         self._name = ''
         self._shoe = ShoeDescription()
 
-    @Property(str)
+    @Property(str, notify=name_changed, final=True)
     def name(self):
         return self._name
 
     @name.setter
     def name(self, n):
-        self._name = n
+        if self._name != n:
+            self._name = n
+            self.name_changed.emit()
 
-    @Property(ShoeDescription)
+    @Property(ShoeDescription, final=True)
     def shoe(self):
         return self._shoe