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Diffstat (limited to 'examples/qml/tutorials/extending-qml/chapter6-plugins')
7 files changed, 155 insertions, 0 deletions
diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/piechart.py b/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/piechart.py new file mode 100644 index 000000000..3ab8bcc08 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/piechart.py @@ -0,0 +1,41 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +from PySide6.QtCore import Property +from PySide6.QtQml import QmlElement, ListProperty +from PySide6.QtQuick import QQuickItem + +from pieslice import PieSlice + +# 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(QQuickItem): + def __init__(self, parent=None): + super().__init__(parent) + self._slices = [] + self._name = '' + + @Property(str, final=True) + def name(self): + return self._name + + @name.setter + def name(self, name): + self._name = name + + def slice(self, n): + return self._slices[n] + + def sliceCount(self): + return len(self._slices) + + def append_and_setparent(self, slice): + self._slices.append(slice) + slice.setParentItem(self) + + slices = ListProperty(PieSlice, append_and_setparent) diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/pieslice.py b/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/pieslice.py new file mode 100644 index 000000000..6f82f1f10 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/pieslice.py @@ -0,0 +1,53 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +from PySide6.QtCore import Property, QRectF +from PySide6.QtGui import QColor, QPainter, QPen +from PySide6.QtQuick import QQuickPaintedItem +from PySide6.QtQml import QmlElement + +# 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): + super().__init__(parent) + + self._color = QColor() + self._from_angle = 0 + self._angle_span = 0 + + @Property(QColor, final=True) + def color(self): + return self._color + + @color.setter + def color(self, color): + self._color = QColor(color) + + @Property(int, final=True) + def fromAngle(self): + return self._from_angle + + @fromAngle.setter + def fromAngle(self, fromAngle): + self._from_angle = fromAngle + + @Property(int, final=True) + def angleSpan(self): + return self._angle_span + + @angleSpan.setter + def angleSpan(self, angleSpan): + self._angle_span = angleSpan + + def paint(self, painter): + painter.setPen(QPen(self._color, 2)) + painter.setRenderHint(QPainter.RenderHint.Antialiasing, True) + + rect = QRectF(0, 0, self.width(), self.height()).adjusted(1, 1, -1, -1) + painter.drawPie(rect, self._from_angle * 16, self._angle_span * 16) diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/plugins.png b/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/plugins.png Binary files differnew file mode 100644 index 000000000..8992e89c0 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/Charts/plugins.png diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/app.qml b/examples/qml/tutorials/extending-qml/chapter6-plugins/app.qml new file mode 100644 index 000000000..1a4772e15 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/app.qml @@ -0,0 +1,32 @@ +// Copyright (C) 2022 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +import QtQuick +import Charts 1.0 + +Item { + width: 300; height: 200 + + PieChart { + anchors.centerIn: parent + width: 100; height: 100 + + slices: [ + PieSlice { + anchors.fill: parent + color: "red" + fromAngle: 0; angleSpan: 110 + }, + PieSlice { + anchors.fill: parent + color: "black" + fromAngle: 110; angleSpan: 50 + }, + PieSlice { + anchors.fill: parent + color: "blue" + fromAngle: 160; angleSpan: 100 + } + ] + } +} diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/chapter6-plugins.pyproject b/examples/qml/tutorials/extending-qml/chapter6-plugins/chapter6-plugins.pyproject new file mode 100644 index 000000000..cc684401f --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/chapter6-plugins.pyproject @@ -0,0 +1,3 @@ +{ + "files": ["app.qml", "Charts/piechart.py", "Charts/pieslice.py"] +} diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/doc/chapter6-plugins.rst b/examples/qml/tutorials/extending-qml/chapter6-plugins/doc/chapter6-plugins.rst new file mode 100644 index 000000000..a9d100812 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/doc/chapter6-plugins.rst @@ -0,0 +1,26 @@ +.. _qml-chapter6-plugins-example: + +Extending QML - Plugins Example +=============================== + +This is the last of a series of 6 examples forming a tutorial +about extending QML with Python. + +This example refers to the Python version of using a QML plugin in Python. The +idea of plugins in Python is non-existent because Python modules are +dynamically loaded anyway. We use this idea and our QML type registration +decorators - ``QmlELement``/``QmlNamedElement`` - to register the QML modules as they +are imported. The ``pyside6-qml`` tool does this for you by simply pointing to the +``.qml`` file. + +.. image:: plugins.png + :width: 400 + :alt: Plugins Example + + +Running the Example +------------------- + +.. code-block:: shell + + pyside6-qml examples/qml/tutorials/extending-qml/chapter6-plugins/app.qml -I examples/qml/tutorials/extending-qml/chapter6-plugins/Charts diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/doc/plugins.png b/examples/qml/tutorials/extending-qml/chapter6-plugins/doc/plugins.png Binary files differnew file mode 100644 index 000000000..8992e89c0 --- /dev/null +++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/doc/plugins.png |
