diff options
-rw-r--r-- | examples/declarative/signals/pytoqml2/main.py | 84 | ||||
-rw-r--r-- | examples/declarative/signals/pytoqml2/pytoqml2.pyproject | 3 | ||||
-rw-r--r-- | examples/declarative/signals/pytoqml2/view.qml | 64 |
3 files changed, 151 insertions, 0 deletions
diff --git a/examples/declarative/signals/pytoqml2/main.py b/examples/declarative/signals/pytoqml2/main.py new file mode 100644 index 000000000..7d86d1b3d --- /dev/null +++ b/examples/declarative/signals/pytoqml2/main.py @@ -0,0 +1,84 @@ + +############################################################################# +## +## Copyright (C) 2021 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +import os +import sys +from PySide6.QtCore import QObject, QTimer, QUrl, Signal, Slot +from PySide6.QtGui import QGuiApplication +from PySide6.QtQuick import QQuickView + + +class RotateValue(QObject): + valueChanged = Signal(int, arguments=['val']) + + def __init__(self): + super(RotateValue, self).__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) + context = view.rootContext() + context.setContextProperty("rotatevalue", rotatevalue) + + qmlFile = os.path.join(os.path.dirname(__file__), 'view.qml') + view.setSource(QUrl.fromLocalFile(os.path.abspath(qmlFile))) + 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) diff --git a/examples/declarative/signals/pytoqml2/pytoqml2.pyproject b/examples/declarative/signals/pytoqml2/pytoqml2.pyproject new file mode 100644 index 000000000..e6f087cce --- /dev/null +++ b/examples/declarative/signals/pytoqml2/pytoqml2.pyproject @@ -0,0 +1,3 @@ +{ + "files": ["main.py", "view.qml"] +} diff --git a/examples/declarative/signals/pytoqml2/view.qml b/examples/declarative/signals/pytoqml2/view.qml new file mode 100644 index 000000000..41b185af0 --- /dev/null +++ b/examples/declarative/signals/pytoqml2/view.qml @@ -0,0 +1,64 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt for Python examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 +import QtQml 2.0 + +Rectangle { + id: page + + width: 500; height: 200 + color: "lightgray" + + Text { + id: helloText + text: "Hello world!" + anchors.horizontalCenter: page.horizontalCenter + y: 30 + font.pointSize: 24; font.bold: true + } + + Connections { + target: rotatevalue + function onValueChanged(val) { + helloText.rotation = val + } + } +} |