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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
'''Test paint event override in python'''
import gc
import os
import sys
import unittest
from textwrap import dedent
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 PySide6.QtCore import QTimer
from PySide6.QtWidgets import QApplication, QWidget
from helper.usesqapplication import UsesQApplication
class MyWidget(QWidget):
'''Sample widget'''
def __init__(self, app):
# Creates a new widget
assert(app)
super().__init__()
self.app = app
self.paint_event_called = False
def paintEvent(self, event):
# Empty paint event method
super().paintEvent(event)
self.paint_event_called = True
QTimer.singleShot(20, self.close)
class PaintEventOverride(UsesQApplication):
'''Test case for overriding QWidget.paintEvent'''
qapplication = True
def setUp(self):
# Acquire resources
super(PaintEventOverride, self).setUp()
self.widget = MyWidget(self.app)
def tearDown(self):
# Release resources
del self.widget
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
super(PaintEventOverride, self).tearDown()
def testPaintEvent(self):
# Test QWidget.paintEvent override
self.widget.show()
self.widget.setWindowTitle("paint_event_test")
self.app.exec()
self.assertTrue(self.widget.paint_event_called)
if __name__ == '__main__':
unittest.main()
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