def test_selection_listener_disconnected():
""" Check that selection listeners get correctly disconnected """
from pyface.api import GUI
from pyface.qt.QtGui import QApplication, QItemSelectionModel
from pyface.ui.qt4.util.event_loop_helper import EventLoopHelper
from pyface.ui.qt4.util.testing import event_loop
obj = ListStrEditorWithSelectedIndex(values=['value1', 'value2'])
with store_exceptions_on_all_threads():
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
helper = EventLoopHelper(gui=GUI(), qt_app=qt_app)
# open the UI and run until the dialog is closed
ui = obj.edit_traits(view=single_select_item_view)
with helper.delete_widget(ui.control):
press_ok_button(ui)
# now run again and change the selection
ui = obj.edit_traits(view=single_select_item_view)
with event_loop():
editor = ui.get_editors('values')[0]
list_view = editor.list_view
mi = editor.model.index(1)
list_view.selectionModel().select(
mi, QItemSelectionModel.ClearAndSelect)
obj.selected = 'value2'
def test_selection_listener_disconnected():
""" Check that selection listeners get correctly disconnected """
from pyface.api import GUI
from pyface.qt.QtGui import QApplication, QItemSelectionModel
from pyface.ui.qt4.util.event_loop_helper import EventLoopHelper
from pyface.ui.qt4.util.testing import event_loop
obj = ListStrEditorWithSelectedIndex(values=['value1', 'value2'])
with store_exceptions_on_all_threads():
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
helper = EventLoopHelper(gui=GUI(), qt_app=qt_app)
# open the UI and run until the dialog is closed
ui = obj.edit_traits(view=single_select_item_view)
with helper.delete_widget(ui.control):
press_ok_button(ui)
# now run again and change the selection
ui = obj.edit_traits(view=single_select_item_view)
with event_loop():
editor = ui.get_editors('values')[0]
list_view = editor.list_view
mi = editor.model.index(1)
list_view.selectionModel().select(mi, QItemSelectionModel.ClearAndSelect)
obj.selected = 'value2'
def setUp(self):
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
self.qt_app = qt_app
self.gui = GUI()
self.event_loop_helper = EventLoopHelper(qt_app=self.qt_app,
gui=self.gui)
try:
import traitsui.api
except ImportError:
self.traitsui_raise_patch = None
else:
self.traitsui_raise_patch = mock.patch(
"traitsui.qt4.ui_base._StickyDialog.raise_")
self.traitsui_raise_patch.start()
def new_activate(self):
self.control.activateWindow()
self.pyface_raise_patch = mock.patch(
"pyface.ui.qt4.window.Window.activate",
new_callable=lambda: new_activate,
)
self.pyface_raise_patch.start()
def test_selection_listener_disconnected(self):
"""Check that selection listeners get correctly disconnected"""
from pyface.qt.QtGui import QApplication, QItemSelectionModel
from pyface.ui.qt4.util.testing import event_loop
obj = ListStrEditorWithSelectedIndex(values=["value1", "value2"])
with reraise_exceptions():
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
# open the UI and run until the dialog is closed
with create_ui(obj, dict(view=single_select_item_view)) as ui:
pass
# now run again and change the selection
with create_ui(
obj, dict(view=single_select_item_view)
) as ui, event_loop():
editor = ui.get_editors("values")[0]
list_view = editor.list_view
mi = editor.model.index(1)
list_view.selectionModel().select(
mi, QItemSelectionModel.SelectionFlag.ClearAndSelect
)
obj.selected = "value2"
def setUp(self):
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
self.qt_app = qt_app
self.gui = GUI()
self.event_loop_helper = EventLoopHelper(
qt_app=self.qt_app,
gui=self.gui
)
try:
import traitsui.api
except ImportError:
self.traitsui_raise_patch = None
else:
self.traitsui_raise_patch = mock.patch(
'traitsui.qt4.ui_base._StickyDialog.raise_')
self.traitsui_raise_patch.start()
def new_activate(self):
self.control.activateWindow()
self.pyface_raise_patch = mock.patch(
'pyface.ui.qt4.window.Window.activate',
new_callable=lambda: new_activate)
self.pyface_raise_patch.start()
def start():
# app = QApplication(sys.argv)
# Don't create a new QApplication, it would unhook the Events
# set by Traits on the existing QApplication. Simply use the
# '.instance()' method to retrieve the existing one.
app = QApplication.instance()
window = MainWindow()
sys.exit(app.exec_())
def init(self):
"""
Prepare the event loop for use.
"""
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
self.qt_app = qt_app
self._attribute_setter = AttributeSetter()
self._attribute_setter.setattr.connect(
self._attribute_setter._on_setattr, Qt.QueuedConnection)
def setUp(self):
from pyface.qt.QtGui import QApplication
from pyface.ui.qt4.util.event_loop_helper import EventLoopHelper
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
self.qt_app = qt_app
if NativeScrollBar is None:
raise unittest.SkipTest("Qt4 NativeScrollbar not available.")
self.gui = GUI()
self.event_loop_helper = EventLoopHelper(gui=self.gui, qt_app=qt_app)
self.container = Container(position=[0, 0], bounds=[600, 600])
self.window = Window(None, size=(600, 600), component=self.container)
def setUp(self):
from pyface.qt.QtGui import QApplication
from pyface.ui.qt4.util.event_loop_helper import EventLoopHelper
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
self.qt_app = qt_app
if NativeScrollBar is None:
raise unittest.SkipTest("Qt4 NativeScrollbar not available.")
self.gui = GUI()
self.event_loop_helper = EventLoopHelper(gui=self.gui, qt_app=qt_app)
self.container = Container(position=[0, 0], bounds=[600, 600])
self.window = Window(None, size=(600, 600), component=self.container)
def setUp(self):
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
self.qt_app = qt_app
self.gui = GUI()
self.event_loop_helper = EventLoopHelper(qt_app=self.qt_app,
gui=self.gui)
self.traitsui_raise_patch = mock.patch(
'traitsui.qt4.ui_base._StickyDialog.raise_')
self.traitsui_raise_patch.start()
def new_activate(self):
self.control.activateWindow()
self.pyface_raise_patch = mock.patch(
'pyface.ui.qt4.window.Window.activate',
new_callable=lambda: new_activate)
self.pyface_raise_patch.start()
#
# Classes
#
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.mayavi_widget = MayaviQWidget()
# Layouting
main_layout = QGridLayout()
main_layout.addWidget(self.mayavi_widget, 1, 1)
self.setCentralWidget(QWidget())
self.centralWidget().setLayout(main_layout)
if __name__ == "__main__":
# Don't create a new QApplication, it would unhook the Events
# set by Traits on the existing QApplication. Simply use the
# '.instance()' method to retrieve the existing one.
app = QApplication.instance()
main_window = MainWindow()
main_window.show()
# Start the main event loop.
sys.exit(app.exec_())
