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Diffstat (limited to 'examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/customPropertyTypes.py')
-rw-r--r-- | examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/customPropertyTypes.py | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/customPropertyTypes.py b/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/customPropertyTypes.py new file mode 100644 index 000000000..659850f38 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/customPropertyTypes.py @@ -0,0 +1,83 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +"""PySide6 port of the qml/tutorials/extending-qml/chapter4-customPropertyTypes example + from Qt v5.x""" + +import os +from pathlib import Path +import sys + +from PySide6.QtCore import Property, QUrl +from PySide6.QtGui import QGuiApplication, QPen, QPainter, QColor +from PySide6.QtQml import QmlElement +from PySide6.QtQuick import QQuickPaintedItem, QQuickView, QQuickItem + +# To be used on the @QmlElement decorator +# (QML_IMPORT_MINOR_VERSION is optional) +QML_IMPORT_NAME = "Charts" +QML_IMPORT_MAJOR_VERSION = 1 + + +@QmlElement +class PieSlice (QQuickPaintedItem): + + def __init__(self, parent=None): + QQuickPaintedItem.__init__(self, parent) + self._color = QColor() + + @Property(QColor, final=True) + def color(self): + return self._color + + @color.setter + def color(self, value): + self._color = value + + def paint(self, painter): + pen = QPen(self._color, 2) + painter.setPen(pen) + painter.setRenderHints(QPainter.Antialiasing, True) + painter.drawPie(self.boundingRect().adjusted(1, 1, -1, -1), 90 * 16, 290 * 16) + + +@QmlElement +class PieChart (QQuickItem): + def __init__(self, parent=None): + QQuickItem.__init__(self, parent) + self._name = None + self._pieSlice = None + + @Property(str, final=True) + def name(self): + return self._name + + @name.setter + def name(self, value): + self._name = value + + @Property(PieSlice, final=True) + def pieSlice(self): + return self._pieSlice + + @pieSlice.setter + def pieSlice(self, value): + self._pieSlice = value + self._pieSlice.setParentItem(self) + + +if __name__ == '__main__': + app = QGuiApplication(sys.argv) + + view = QQuickView() + view.setResizeMode(QQuickView.SizeRootObjectToView) + qml_file = os.fspath(Path(__file__).resolve().parent / 'app.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) |