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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 cases for QAccessible::installFactory().'''
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 PySide6.QtCore import QCoreApplication, Qt
from PySide6.QtGui import QAccessible, QAccessibleInterface, QColor
from PySide6.QtWidgets import QWidget, QLineEdit, QVBoxLayout
from helper.usesqapplication import UsesQApplication
class LineEditAccessible(QAccessibleInterface):
"""Mimick a QAccessibleInterface implementation for QLineEdit."""
instance_count = 0
def __init__(self, widget):
super().__init__()
LineEditAccessible.instance_count += 1
self._widget = widget
self._name = self._widget.objectName()
print('LineEditAccessible', self._name)
def __del__(self):
LineEditAccessible.instance_count -= 1
print('~LineEditAccessible', self._name)
def actionInterface(self):
return None
def backgroundColor(self):
return QColor(Qt.white)
def child(self, index):
return None
def childAt(self, x, y):
return None
def childCount(self):
return 0
def focusChild(self):
return None
def foregroundColor(self):
return QColor(Qt.black)
def indexOfChild(self, child):
return -1
def isValid(self):
return True
def object(self):
return self._widget
def parent(self):
return None
def rect(self):
return self._widget.geometry()
def role(self):
return QAccessible.EditableText
def setText(self, t, text):
pass
def state(self):
return QAccessible.State()
def tableCellInterface(self):
return None
def tableInterface(self):
return None
def text(self, t):
return self._widget.text() if t == QAccessible.Value else ''
def textInterface(self):
return None
def valueInterface(self):
return None
def window(self):
return self._widget.window().windowHandle()
def accessible_factory(key, obj):
"""Factory function for QAccessibleInterface for QLineEdit's."""
if obj.metaObject().className() == 'QLineEdit':
return LineEditAccessible(obj)
return None
class Window(QWidget):
"""Test window with 2 QLineEdit's."""
def __init__(self):
super().__init__()
self.setObjectName('top')
layout = QVBoxLayout(self)
self.m_line_edit1 = QLineEdit("bla")
layout.addWidget(self.m_line_edit1)
self.m_line_edit2 = QLineEdit("bla")
layout.addWidget(self.m_line_edit2)
class QAccessibleTest(UsesQApplication):
"""Test that LineEditAccessible instances are created for QLineEdit's."""
def setUp(self):
super().setUp()
QAccessible.installFactory(accessible_factory)
window = Window()
def testLineEdits(self):
window = Window()
window.show()
while not window.windowHandle().isExposed():
QCoreApplication.processEvents()
self.assertEqual(LineEditAccessible.instance_count, 2)
if __name__ == "__main__":
unittest.main()
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