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-rw-r--r--examples/qml/tutorials/extending-qml/chapter3-bindings/bindings.py79
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diff --git a/examples/qml/tutorials/extending-qml/chapter3-bindings/bindings.py b/examples/qml/tutorials/extending-qml/chapter3-bindings/bindings.py
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+# 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/chapter3-bindings example from Qt v5.x"""
+
+import os
+from pathlib import Path
+import sys
+
+from PySide6.QtCore import Property, Signal, Slot, QUrl, Qt
+from PySide6.QtGui import QGuiApplication, QPen, QPainter, QColor
+from PySide6.QtQml import QmlElement
+from PySide6.QtQuick import QQuickPaintedItem, QQuickView
+
+# To be used on the @QmlElement decorator
+# (QML_IMPORT_MINOR_VERSION is optional)
+QML_IMPORT_NAME = "Charts"
+QML_IMPORT_MAJOR_VERSION = 1
+
+
+@QmlElement
+class PieChart (QQuickPaintedItem):
+
+ chartCleared = Signal()
+ nameChanged = Signal()
+ colorChanged = Signal()
+
+ def __init__(self, parent=None):
+ QQuickPaintedItem.__init__(self, parent)
+ self._name = u''
+ self._color = QColor()
+
+ 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)
+
+ @Property(QColor, notify=colorChanged, final=True)
+ def color(self):
+ return self._color
+
+ @color.setter
+ def color(self, value):
+ if value != self._color:
+ self._color = value
+ self.update()
+ self.colorChanged.emit()
+
+ @Property(str, notify=nameChanged, final=True)
+ def name(self):
+ return self._name
+
+ @name.setter
+ def name(self, value):
+ self._name = value
+
+ @Slot() # This should be something like @Invokable
+ def clearChart(self):
+ self.color = Qt.transparent
+ self.update()
+ self.chartCleared.emit()
+
+
+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)