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Diffstat (limited to 'examples/qml/signals/pytoqml2/main.py')
-rw-r--r-- | examples/qml/signals/pytoqml2/main.py | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/examples/qml/signals/pytoqml2/main.py b/examples/qml/signals/pytoqml2/main.py new file mode 100644 index 000000000..3a3650aba --- /dev/null +++ b/examples/qml/signals/pytoqml2/main.py @@ -0,0 +1,54 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +import os +from pathlib import Path +import sys +from PySide6.QtCore import QObject, QTimer, QUrl, Signal, Slot +from PySide6.QtGui import QGuiApplication +from PySide6.QtQuick import QQuickView +from PySide6.QtQml import QmlElement + + +# To be used on the @QmlElement decorator +# (QML_IMPORT_MINOR_VERSION is optional) +QML_IMPORT_NAME = "examples.signals.pytoqml2" +QML_IMPORT_MAJOR_VERSION = 1 + + +@QmlElement +class RotateValue(QObject): + valueChanged = Signal(int, arguments=['val']) + + def __init__(self): + super().__init__() + self.r = 0 + + @Slot() + def increment(self): + self.r = self.r + 10 + self.valueChanged.emit(self.r) + + +if __name__ == '__main__': + app = QGuiApplication(sys.argv) + view = QQuickView() + + rotatevalue = RotateValue() + timer = QTimer() + timer.start(2000) + view.setInitialProperties({"rotatevalue": rotatevalue}) + + qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml') + view.setSource(QUrl.fromLocalFile(qml_file)) + if view.status() == QQuickView.Error: + sys.exit(-1) + + timer.timeout.connect(rotatevalue.increment) + + view.show() + res = app.exec() + # Deleting the view before it goes out of scope is required to make + # sure all child QML instances are destroyed in the correct order. + del view + sys.exit(res) |