/tmp/snapshot-pyside-6.2/tqtc-pyside-setup/examples/declarative/signals/qmltopy2¶
(You can also check this code in the repository)
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.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)
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
}
}
}