diff options
Diffstat (limited to 'examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/birthdayparty.py')
| -rw-r--r-- | examples/qml/tutorials/extending-qml-advanced/advanced4-Grouped-properties/birthdayparty.py | 13 |
1 files changed, 9 insertions, 4 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) |