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Diffstat (limited to 'examples/quick/painteditem/painteditem.py')
-rw-r--r-- | examples/quick/painteditem/painteditem.py | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/examples/quick/painteditem/painteditem.py b/examples/quick/painteditem/painteditem.py new file mode 100644 index 000000000..cf5a05ada --- /dev/null +++ b/examples/quick/painteditem/painteditem.py @@ -0,0 +1,83 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +from argparse import ArgumentParser, RawTextHelpFormatter +from pathlib import Path +import sys + +from PySide6.QtGui import QPainter, QBrush, QColor +from PySide6.QtWidgets import QApplication +from PySide6.QtQml import QmlElement, QQmlDebuggingEnabler +from PySide6.QtCore import QUrl, Property, Signal, Qt, QPointF +from PySide6.QtQuick import QQuickPaintedItem, QQuickView + +QML_IMPORT_NAME = "TextBalloonPlugin" +QML_IMPORT_MAJOR_VERSION = 1 +QML_IMPORT_MINOR_VERSION = 0 # Optional + + +@QmlElement +class TextBalloon(QQuickPaintedItem): + + rightAlignedChanged = Signal() + + def __init__(self, parent=None): + self._rightAligned = False + super().__init__(parent) + + @Property(bool, notify=rightAlignedChanged) + def rightAligned(self): + return self._rightAligned + + @rightAligned.setter + def rightAligned(self, value): + self._rightAligned = value + self.rightAlignedChanged.emit() + + def paint(self, painter: QPainter): + + brush = QBrush(QColor("#007430")) + + painter.setBrush(brush) + painter.setPen(Qt.NoPen) + painter.setRenderHint(QPainter.Antialiasing) + + itemSize = self.size() + + painter.drawRoundedRect(0, 0, itemSize.width(), itemSize.height() - 10, 10, 10) + + if self.rightAligned: + points = [ + QPointF(itemSize.width() - 10.0, itemSize.height() - 10.0), + QPointF(itemSize.width() - 20.0, itemSize.height()), + QPointF(itemSize.width() - 30.0, itemSize.height() - 10.0), + ] + else: + points = [ + QPointF(10.0, itemSize.height() - 10.0), + QPointF(20.0, itemSize.height()), + QPointF(30.0, itemSize.height() - 10.0), + ] + painter.drawConvexPolygon(points) + + +if __name__ == "__main__": + + argument_parser = ArgumentParser(description="Scene Graph Painted Item Example", + formatter_class=RawTextHelpFormatter) + argument_parser.add_argument("-qmljsdebugger", action="store", + help="Enable QML debugging") + options = argument_parser.parse_args() + if options.qmljsdebugger: + QQmlDebuggingEnabler.enableDebugging(True) + app = QApplication(sys.argv) + view = QQuickView() + view.setResizeMode(QQuickView.SizeRootObjectToView) + qml_file = Path(__file__).parent / "main.qml" + view.setSource(QUrl.fromLocalFile(qml_file)) + + if view.status() == QQuickView.Error: + sys.exit(-1) + view.show() + + sys.exit(app.exec()) |