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# (C) Copyright 2004-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
""" Tests to exercise logic for layouts, e.g. VGroup, HGroup.
"""
import unittest
from pyface.toolkit import toolkit_object
from pyface.constant import OK
try:
from pyface.qt import QtWebkit # noqa: F401
NO_WEBKIT_OR_WEBENGINE = False
except ImportError:
try:
from pyface.qt import QtWebEngine # noqa: F401
NO_WEBKIT_OR_WEBENGINE = False
except ImportError:
NO_WEBKIT_OR_WEBENGINE = True
from traits.api import HasTraits, Int
from traitsui.api import HelpButton, HGroup, Item, spring, VGroup, View
from traitsui.testing.api import MouseClick, UITester
from traitsui.tests._tools import (
BaseTestMixin,
create_ui,
requires_toolkit,
ToolkitName,
)
ModalDialogTester = toolkit_object(
"util.modal_dialog_tester:ModalDialogTester"
)
class ObjectWithNumber(HasTraits):
number1 = Int()
number2 = Int()
number3 = Int()
class HelpPanel(HasTraits):
my_int = Int(2, help='this is the help for my int')
def default_traits_view(self):
view = View(
Item(name="my_int"),
title="HelpPanel",
buttons=[HelpButton],
)
return view
@requires_toolkit([ToolkitName.qt, ToolkitName.wx])
class TestUIPanel(BaseTestMixin, unittest.TestCase):
def setUp(self):
BaseTestMixin.setUp(self)
def tearDown(self):
BaseTestMixin.tearDown(self)
def test_grouped_layout_with_springy(self):
# Regression test for enthought/traitsui#1066
obj1 = ObjectWithNumber()
view = View(
HGroup(
VGroup(
Item("number1"),
),
VGroup(
Item("number2"),
),
spring,
)
)
# This should not fail.
with create_ui(obj1, dict(view=view)):
pass
# Regression test for enthought/traitsui#1538
@requires_toolkit([ToolkitName.qt])
@unittest.skipIf(
NO_WEBKIT_OR_WEBENGINE, "Tests require either QtWebKit or QtWebEngine"
)
def test_show_help(self):
# This help window is not actually modal, when opened it will be the
# active window not active modal widget
class MyTester(ModalDialogTester):
def get_dialog_widget(self):
return self._qt_app.activeWindow()
panel = HelpPanel()
tester = UITester(auto_process_events=False)
with tester.create_ui(panel) as ui:
help_button = tester.find_by_id(ui, 'Help')
def click_help():
# should not fail
help_button.perform(MouseClick())
mdtester = MyTester(click_help)
mdtester.open_and_run(lambda x: x.click_button(OK))
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