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Diffstat (limited to 'examples/qml/tutorials/extending-qml/chapter5-listproperties/listproperties.py')
-rw-r--r-- | examples/qml/tutorials/extending-qml/chapter5-listproperties/listproperties.py | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/examples/qml/tutorials/extending-qml/chapter5-listproperties/listproperties.py b/examples/qml/tutorials/extending-qml/chapter5-listproperties/listproperties.py new file mode 100644 index 000000000..98952cef1 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter5-listproperties/listproperties.py @@ -0,0 +1,97 @@ +# 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/chapter5-listproperties 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, ListProperty +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() + self._fromAngle = 0 + self._angleSpan = 0 + + @Property(QColor, final=True) + def color(self): + return self._color + + @color.setter + def color(self, value): + self._color = value + + @Property(int, final=True) + def fromAngle(self): + return self._angle + + @fromAngle.setter + def fromAngle(self, value): + self._fromAngle = value + + @Property(int, final=True) + def angleSpan(self): + return self._angleSpan + + @angleSpan.setter + def angleSpan(self, value): + self._angleSpan = 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), self._fromAngle * 16, self._angleSpan * 16) + + +@QmlElement +class PieChart (QQuickItem): + def __init__(self, parent=None): + QQuickItem.__init__(self, parent) + self._name = u'' + self._slices = [] + + @Property(str, final=True) + def name(self): + return self._name + + @name.setter + def name(self, value): + self._name = value + + def appendSlice(self, _slice): + _slice.setParentItem(self) + self._slices.append(_slice) + + slices = ListProperty(PieSlice, appendSlice, final=True) + + +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) |