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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
from __future__ import annotations
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from helper.usesqapplication import UsesQApplication
from PySide6.QtCore import Qt, QTimer
from PySide6.QtGui import QPainter
from PySide6.QtWidgets import QLabel
from PySide6.QtWidgets import QGraphicsScene, QGraphicsView, QGraphicsItem, QGraphicsProxyWidget
class CustomProxy(QGraphicsProxyWidget):
def __init__(self, parent=None, wFlags=0):
QGraphicsProxyWidget.__init__(self, parent, wFlags)
class CustomProxyWidgetTest(UsesQApplication):
def testCustomProxyWidget(self):
scene = QGraphicsScene()
proxy = CustomProxy(None, Qt.WindowType.Window)
widget = QLabel('Widget')
proxy.setWidget(widget)
proxy.setCacheMode(QGraphicsItem.CacheMode.DeviceCoordinateCache)
scene.addItem(proxy)
scene.setSceneRect(scene.itemsBoundingRect())
view = QGraphicsView(scene)
view.setRenderHints(QPainter.RenderHint.Antialiasing
| QPainter.RenderHint.SmoothPixmapTransform)
view.setViewportUpdateMode(QGraphicsView.ViewportUpdateMode.BoundingRectViewportUpdate)
view.show()
QTimer.singleShot(100, self.app.quit)
self.app.exec()
if __name__ == '__main__':
unittest.main()
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