examples/qml/signals/qmltopy2¶
(You can also check this code in the repository)
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
import os
from pathlib import Path
import sys
from PySide6.QtCore import QObject, QUrl, 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.qmltopy2"
QML_IMPORT_MAJOR_VERSION = 1
@QmlElement
class RotateValue(QObject):
def __init__(self):
super().__init__()
self.r = 0
# If a slot returns a value, the return value type must be explicitly
# defined in the decorator.
@Slot(result=int)
def val(self):
self.r = self.r + 10
return self.r
if __name__ == '__main__':
app = QGuiApplication(sys.argv)
view = QQuickView()
qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
view.setSource(QUrl.fromLocalFile(qml_file))
if view.status() == QQuickView.Status.Error:
sys.exit(-1)
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)
// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import examples.signals.qmltopy2 1.0
Rectangle {
id: page
width: 500; height: 200
color: "lightgray"
RotateValue {
id: rotatevalue
}
Text {
id: helloText
text: "Hello world!"
anchors.horizontalCenter: page.horizontalCenter
y: 30
font.pointSize: 24; font.bold: true
}
Rectangle {
id: button
width: 150; height: 40
color: "darkgray"
anchors.horizontalCenter: page.horizontalCenter
y: 120
MouseArea {
id: buttonMouseArea
objectName: "buttonMouseArea"
anchors.fill: parent
onClicked: {
helloText.rotation = rotatevalue.val()
}
}
Text {
id: buttonText
text: "Press me!"
anchors.horizontalCenter: button.horizontalCenter
anchors.verticalCenter: button.verticalCenter
font.pointSize: 16
}
}
}