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#!/usr/bin/python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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(True)
from helper.usesqapplication import UsesQApplication
from testbinding import TestView
from PySide6.QtCore import Qt
from PySide6.QtGui import QStandardItem, QStandardItemModel
from PySide6.QtWidgets import (QAbstractItemDelegate, QComboBox,
QSpinBox, QStyledItemDelegate,
QStyleOptionViewItem, QWidget)
id_text = 'This is me'
class DelegateDoesntKeepReferenceToEditor(QAbstractItemDelegate):
def createEditor(self, parent, option, index):
comboBox = QComboBox(parent)
comboBox.addItem(id_text)
return comboBox
class DelegateKeepsReferenceToEditor(QAbstractItemDelegate):
def __init__(self, parent=None):
QAbstractItemDelegate.__init__(self, parent)
self.comboBox = QComboBox()
self.comboBox.addItem(id_text)
def createEditor(self, parent, option, index):
self.comboBox.setParent(parent)
return self.comboBox
class EditorCreatedByDelegateTest(UsesQApplication):
def testDelegateDoesntKeepReferenceToEditor(self):
view = TestView(None)
delegate = DelegateDoesntKeepReferenceToEditor()
view.setItemDelegate(delegate)
editor = view.getEditorWidgetFromItemDelegate()
self.assertEqual(type(editor), QComboBox)
self.assertEqual(editor.count(), 1)
self.assertEqual(editor.itemData(0, Qt.DisplayRole), id_text)
editor.metaObject()
def testDelegateKeepsReferenceToEditor(self):
view = TestView(None)
delegate = DelegateKeepsReferenceToEditor()
view.setItemDelegate(delegate)
editor = view.getEditorWidgetFromItemDelegate()
self.assertEqual(type(editor), QComboBox)
self.assertEqual(editor.count(), 1)
self.assertEqual(editor.itemData(0, Qt.DisplayRole), id_text)
editor.metaObject()
def testIntDelegate(self):
"""PYSIDE-1250: When creating a QVariant, use int instead of long long
for anything that fits into a int. Verify by checking that a spin
box is created as item view editor for int."""
item = QStandardItem()
item.setData(123123, Qt.EditRole) # <-- QVariant conversion here
model = QStandardItemModel()
model.appendRow(item)
style_option = QStyleOptionViewItem()
delegate = QStyledItemDelegate()
editor = delegate.createEditor(None, style_option, model.index(0, 0))
self.assertEqual(type(editor), QSpinBox)
if __name__ == '__main__':
unittest.main()
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