def run(self):
"""
Reimplemented from `QRunnable.run`
"""
self.eventLoop = QEventLoop()
self.eventLoop.processEvents()
# Move the task to the current thread so it's events, signals, slots
# are triggered from this thread.
assert self.task.thread() is _TaskDepotThread.instance()
QMetaObject.invokeMethod(
self.task.thread(),
"transfer",
Qt.BlockingQueuedConnection,
Q_ARG(object, self.task),
Q_ARG(object, QThread.currentThread()),
)
self.eventLoop.processEvents()
# Schedule task.run from the event loop.
self.task.start()
# Quit the loop and exit when task finishes or is cancelled.
self.task.finished.connect(self.eventLoop.quit)
self.task.cancelled.connect(self.eventLoop.quit)
self.eventLoop.exec_()
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
refresh_proxies()
return status
def __init__(self, boundsig, **kwargs):
super(QSignalSpy, self).__init__(**kwargs)
from AnyQt.QtCore import QEventLoop, QTimer
self.__boundsig = boundsig
self.__boundsig.connect(lambda *args: self.__record(*args))
self.__recorded = [] # type: List[List[Any]]
self.__loop = QEventLoop()
self.__timer = QTimer(self, singleShot=True)
self.__timer.timeout.connect(self.__loop.quit)
def exec_(self, pos=None):
self.popup(pos)
self.__loop = QEventLoop()
self.__action = None
self.__loop.exec_()
self.__loop = None
if self.__action is not None:
action = self.__action
else:
action = None
return action
def exec_(self, pos=None):
# type: (Optional[QPoint]) -> Optional[QAction]
self.popup(pos)
self.__loop = QEventLoop()
self.__action = None
self.__loop.exec_()
self.__loop = None
if self.__action is not None:
action = self.__action
else:
action = None
return action
def test_one():
ref = SimpleNamespace() # hold single reference to Emitter obj
ref.obj = Emitter()
# enqueue 200 meta call events to the obj
for i in range(200):
ref.obj.schedule_emit()
# event signaling the event loop is about to be entered
event = threading.Event()
def clear_obj(ref=ref):
# wait for main thread to signal it is about to enter the event loop
event.wait()
del ref.obj # clear the last/single ref to obj
executor.submit(clear_obj)
loop = QEventLoop()
QTimer.singleShot(0, loop.quit)
# bytecode optimizations, reduce the time between event.set and
# exec to minimum
set = event.set
exec = loop.exec
set() # signal/unblock the worker;
exec() # enter event loop to process the queued meta calls
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
refresh_proxies()
return status
def run(self):
"""
Reimplemented from `QRunnable.run`
"""
self.eventLoop = QEventLoop()
self.eventLoop.processEvents()
# Move the task to the current thread so it's events, signals, slots
# are triggered from this thread.
assert self.task.thread() is _TaskDepotThread.instance()
QMetaObject.invokeMethod(
self.task.thread(), "transfer", Qt.BlockingQueuedConnection,
Q_ARG(object, self.task),
Q_ARG(object, QThread.currentThread())
)
self.eventLoop.processEvents()
# Schedule task.run from the event loop.
self.task.start()
# Quit the loop and exit when task finishes or is cancelled.
self.task.finished.connect(self.eventLoop.quit)
self.task.cancelled.connect(self.eventLoop.quit)
self.eventLoop.exec_()
def read_message_queue(self):
""" Update board queue and retrieve most recent messages """
try:
recent_history = self.session.messages_history[self.
_history_index:]
for message in recent_history:
if self._stop:
return
if not isinstance(message, self._events_2_draw):
continue
if isinstance(message, StateOccurrence):
if message.state_name not in self._states_names.keys():
self._states_names[message.state_name] = len(
self._states_names)
if not (math.isnan(message.start_timestamp)
or math.isnan(message.end_timestamp)):
bpod_start = int(round(message.start_timestamp * 1000))
bpod_end = int(round(message.end_timestamp * 1000))
self.__add_event(
bpod_start, bpod_end,
self._states_names[message.state_name],
message.state_name)
elif isinstance(message, SessionInfo):
if message.content == 'SESSION-STARTED':
self._session_start_timestamp = message.pc_timestamp
elif isinstance(message, EventOccurrence):
ts = None # in case we don't find any valid timestamp, don't add the event to the timeline
# check which timestamp will be used. host timestamp wins over pc timestamp
if message.pc_timestamp is not None:
ts = self.timediff_ms(message.pc_timestamp,
self._session_start_timestamp)
# proceed if we have a valid timestamp
if ts is not None:
# create a new event slot in the timeline in case current message is entirely new
if message.event_name not in self._states_names.keys():
self._states_names[message.event_name] = len(
self._states_names)
# add a time delta to ts so the event can be shown in the timeline
self.__add_event(
ts - 10, ts + 10,
self._states_names[message.event_name],
message.event_name)
self._history_index += 1
QEventLoop()
except RunSetupError as err:
logger.error(str(err), exc_info=True)
self._timer.stop()
class QSignalSpy(QObject):
"""
QSignalSpy(boundsignal)
"""
def __init__(self, boundsig, **kwargs):
super(QSignalSpy, self).__init__(**kwargs)
from AnyQt.QtCore import QEventLoop, QTimer
self.__boundsig = boundsig
self.__boundsig.connect(lambda *args: self.__record(*args))
self.__recorded = [] # type: List[List[Any]]
self.__loop = QEventLoop()
self.__timer = QTimer(self, singleShot=True)
self.__timer.timeout.connect(self.__loop.quit)
def __record(self, *args):
self.__recorded.append(list(args))
if self.__loop.isRunning():
self.__loop.quit()
def signal(self):
return _QByteArray(self.__boundsig.signal[1:].encode("latin-1"))
def isValid(self):
return True
def wait(self, timeout=5000):
count = len(self)
self.__timer.stop()
self.__timer.setInterval(timeout)
self.__timer.start()
self.__loop.exec_()
self.__timer.stop()
return len(self) != count
def __getitem__(self, index):
return self.__recorded[index]
def __setitem__(self, index, value):
self.__recorded.__setitem__(index, value)
def __delitem__(self, index):
self.__recorded.__delitem__(index)
def __len__(self):
return len(self.__recorded)
def __init__(self, object, etype, **kwargs):
super().__init__(**kwargs)
if not isinstance(object, QObject):
raise TypeError
self.__object = object
try:
len(etype)
except TypeError:
etypes = {etype}
else:
etypes = set(etype)
self.__etypes = etypes
self.__record = []
self.__loop = QEventLoop()
self.__timer = QTimer(self, singleShot=True)
self.__timer.timeout.connect(self.__loop.quit)
self.__object.installEventFilter(self)
def test_run_query(self):
w = AddonManagerDialog()
query_res = [
addons._QueryResult("uber-pkg", None),
addons._QueryResult(
"unter-pkg", Installable("unter-pkg", "0.0.0", "", "", "", []))
]
def query(names):
return query_res
with patch.object(QMessageBox, "exec_", return_value=QMessageBox.Cancel), \
patch.object(addons, "query_pypi", query):
f = w.runQueryAndAddResults(["uber-pkg", "unter-pkg"], )
loop = QEventLoop()
f.add_done_callback(qinvoke(lambda f: loop.quit(), loop))
loop.exec()
items = w.items()
self.assertEqual(items, [Available(query_res[1].installable)])
def exec_(self, pos=None, searchText=""):
# type: (Optional[QPoint], str) -> Optional[QAction]
"""
Execute the menu at position `pos` (in global screen coordinates).
Return the triggered :class:`QAction` or `None` if no action was
triggered. 'Search' text field is initialized with `searchText` if
provided.
"""
self.popup(pos, searchText)
self.setFocus(Qt.PopupFocusReason)
self.__triggeredAction = None
self.__loop = QEventLoop()
self.__loop.exec_()
self.__loop.deleteLater()
self.__loop = None
action = self.__triggeredAction
self.__triggeredAction = None
return action
def exec_(self, pos=None):
self.popup(pos)
self.__loop = QEventLoop()
self.__action = None
self.__loop.exec_()
self.__loop = None
if self.__action is not None:
action = self.__action
else:
action = None
return action
def test_py_owned(self):
class Obj(QObject, PyOwned):
pass
executor = ThreadPoolExecutor()
ref = SimpleNamespace(obj=Obj())
wref = weakref.ref(ref.obj)
event = threading.Event()
event.clear()
def clear_ref():
del ref.obj
event.set()
executor.submit(clear_ref)
event.wait()
self.assertIsNotNone(wref())
self.assertIn(wref(), PyOwned._PyOwned__delete_later_set)
loop = QEventLoop()
QTimer.singleShot(0, loop.quit)
loop.exec()
self.assertIsNone(wref())
def __init__(self, object, etype, **kwargs):
super().__init__(**kwargs)
if not isinstance(object, QObject):
raise TypeError
self.__object = object
try:
len(etype)
except TypeError:
etypes = {etype}
else:
etypes = set(etype)
self.__etypes = etypes
self.__record = []
self.__loop = QEventLoop()
self.__timer = QTimer(self, singleShot=True)
self.__timer.timeout.connect(self.__loop.quit)
self.__object.installEventFilter(self)
def exec_(self, pos=None, searchText=""):
"""
Execute the menu at position `pos` (in global screen coordinates).
Return the triggered :class:`QAction` or `None` if no action was
triggered. 'Search' text field is initialized with `searchText` if
provided.
"""
self.popup(pos, searchText)
self.setFocus(Qt.PopupFocusReason)
self.__triggeredAction = None
self.__loop = QEventLoop()
self.__loop.exec_()
self.__loop.deleteLater()
self.__loop = None
action = self.__triggeredAction
self.__triggeredAction = None
return action
def __init__(self, boundsig, **kwargs):
super(QSignalSpy, self).__init__(**kwargs)
from AnyQt.QtCore import QEventLoop, QTimer
self.__boundsig = boundsig
self.__recorded = recorded = [] # type: List[List[Any]]
self.__loop = loop = QEventLoop()
self.__timer = QTimer(self, singleShot=True)
self.__timer.timeout.connect(self.__loop.quit)
def record(*args):
# Record the emitted arguments and quit the loop if running.
# NOTE: not capturing self from parent scope
recorded.append(list(args))
if loop.isRunning():
loop.quit()
# Need to keep reference at least for PyQt4 4.11.4, sip 4.16.9 on
# python 3.4 (if the signal is emitted during gc collection, and
# the boundsignal is a QObject.destroyed signal).
self.__record = record
boundsig.connect(record)
class _TaskRunnable(QRunnable):
"""
A QRunnable for running a :class:`Task` by a :class:`ThreadExecutor`.
"""
def __init__(self, future, task, args, kwargs):
QRunnable.__init__(self)
self.future = future
self.task = task
self.args = args
self.kwargs = kwargs
self.eventLoop = None
def run(self):
"""
Reimplemented from `QRunnable.run`
"""
self.eventLoop = QEventLoop()
self.eventLoop.processEvents()
# Move the task to the current thread so it's events, signals, slots
# are triggered from this thread.
assert self.task.thread() is _TaskDepotThread.instance()
QMetaObject.invokeMethod(
self.task.thread(),
"transfer",
Qt.BlockingQueuedConnection,
Q_ARG(object, self.task),
Q_ARG(object, QThread.currentThread()),
)
self.eventLoop.processEvents()
# Schedule task.run from the event loop.
self.task.start()
# Quit the loop and exit when task finishes or is cancelled.
self.task.finished.connect(self.eventLoop.quit)
self.task.cancelled.connect(self.eventLoop.quit)
self.eventLoop.exec_()
class _TaskRunnable(QRunnable):
"""
A QRunnable for running a :class:`Task` by a :class:`ThreadExecutor`.
"""
def __init__(self, future, task, args, kwargs):
QRunnable.__init__(self)
self.future = future
self.task = task
self.args = args
self.kwargs = kwargs
self.eventLoop = None
def run(self):
"""
Reimplemented from `QRunnable.run`
"""
self.eventLoop = QEventLoop()
self.eventLoop.processEvents()
# Move the task to the current thread so it's events, signals, slots
# are triggered from this thread.
assert self.task.thread() is _TaskDepotThread.instance()
QMetaObject.invokeMethod(
self.task.thread(), "transfer", Qt.BlockingQueuedConnection,
Q_ARG(object, self.task),
Q_ARG(object, QThread.currentThread())
)
self.eventLoop.processEvents()
# Schedule task.run from the event loop.
self.task.start()
# Quit the loop and exit when task finishes or is cancelled.
self.task.finished.connect(self.eventLoop.quit)
self.task.cancelled.connect(self.eventLoop.quit)
self.eventLoop.exec_()
class UserSettingsDialog(QMainWindow):
"""
A User Settings/Defaults dialog.
"""
MAC_UNIFIED = True
def __init__(self, parent=None, **kwargs):
super().__init__(parent, **kwargs)
self.setWindowFlags(Qt.Dialog)
self.setWindowModality(Qt.ApplicationModal)
self.layout().setSizeConstraint(QVBoxLayout.SetFixedSize)
self.__macUnified = sys.platform == "darwin" and self.MAC_UNIFIED
self._manager = BindingManager(self,
submitPolicy=BindingManager.AutoSubmit)
self.__loop = None
self.__settings = config.settings()
self.__setupUi()
def __setupUi(self):
"""Set up the UI.
"""
if self.__macUnified:
self.tab = QToolBar(
floatable=False,
movable=False,
allowedAreas=Qt.TopToolBarArea,
)
self.addToolBar(Qt.TopToolBarArea, self.tab)
self.setUnifiedTitleAndToolBarOnMac(True)
# This does not seem to work
self.setWindowFlags(self.windowFlags() & \
~Qt.MacWindowToolBarButtonHint)
self.tab.actionTriggered[QAction].connect(
self.__macOnToolBarAction)
central = QStackedWidget()
central.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
else:
self.tab = central = QTabWidget(self)
# Add a close button to the bottom of the dialog
# (to satisfy GNOME 3 which shows the dialog without a title bar).
container = container_widget_helper()
container.layout().addWidget(central)
buttonbox = QDialogButtonBox(QDialogButtonBox.Close)
buttonbox.rejected.connect(self.close)
container.layout().addWidget(buttonbox)
self.setCentralWidget(container)
self.stack = central
# General Tab
tab = QWidget()
self.addTab(tab,
self.tr("General"),
toolTip=self.tr("General Options"))
form = FormLayout()
tab.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
nodes = QWidget(self, objectName="nodes")
nodes.setLayout(QVBoxLayout())
nodes.layout().setContentsMargins(0, 0, 0, 0)
cb_anim = QCheckBox(self.tr("Enable node animations"),
objectName="enable-node-animations",
toolTip=self.tr(
"Enable shadow and ping animations for nodes "
"in the workflow."))
self.bind(cb_anim, "checked", "schemeedit/enable-node-animations")
nodes.layout().addWidget(cb_anim)
form.addRow(self.tr("Nodes"), nodes)
links = QWidget(self, objectName="links")
links.setLayout(QVBoxLayout())
links.layout().setContentsMargins(0, 0, 0, 0)
cb_show = QCheckBox(self.tr("Show channel names between widgets"),
objectName="show-channel-names",
toolTip=self.tr(
"Show source and sink channel names "
"over the links."))
self.bind(cb_show, "checked", "schemeedit/show-channel-names")
links.layout().addWidget(cb_show)
form.addRow(self.tr("Links"), links)
quickmenu = QWidget(self, objectName="quickmenu-options")
quickmenu.setLayout(QVBoxLayout())
quickmenu.layout().setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("Open on double click"),
toolTip=self.tr("Open quick menu on a double click "
"on an empty spot in the canvas"))
cb2 = QCheckBox(self.tr("Open on right click"),
toolTip=self.tr("Open quick menu on a right click "
"on an empty spot in the canvas"))
cb3 = QCheckBox(self.tr("Open on space key press"),
toolTip=self.tr(
"Open quick menu on Space key press "
"while the mouse is hovering over the canvas."))
cb4 = QCheckBox(self.tr("Open on any key press"),
toolTip=self.tr(
"Open quick menu on any key press "
"while the mouse is hovering over the canvas."))
cb5 = QCheckBox(self.tr("Show categories"),
toolTip=self.tr(
"In addition to searching, allow filtering "
"by categories."))
self.bind(cb1, "checked", "quickmenu/trigger-on-double-click")
self.bind(cb2, "checked", "quickmenu/trigger-on-right-click")
self.bind(cb3, "checked", "quickmenu/trigger-on-space-key")
self.bind(cb4, "checked", "quickmenu/trigger-on-any-key")
self.bind(cb5, "checked", "quickmenu/show-categories")
quickmenu.layout().addWidget(cb1)
quickmenu.layout().addWidget(cb2)
quickmenu.layout().addWidget(cb3)
quickmenu.layout().addWidget(cb4)
quickmenu.layout().addWidget(cb5)
form.addRow(self.tr("Quick menu"), quickmenu)
startup = QWidget(self, objectName="startup-group")
startup.setLayout(QVBoxLayout())
startup.layout().setContentsMargins(0, 0, 0, 0)
cb_splash = QCheckBox(self.tr("Show splash screen"),
self,
objectName="show-splash-screen")
cb_welcome = QCheckBox(self.tr("Show welcome screen"),
self,
objectName="show-welcome-screen")
cb_crash = QCheckBox(self.tr("Load crashed scratch workflows"),
self,
objectName="load-crashed-workflows")
self.bind(cb_splash, "checked", "startup/show-splash-screen")
self.bind(cb_welcome, "checked", "startup/show-welcome-screen")
self.bind(cb_crash, "checked", "startup/load-crashed-workflows")
startup.layout().addWidget(cb_splash)
startup.layout().addWidget(cb_welcome)
startup.layout().addWidget(cb_crash)
form.addRow(self.tr("On startup"), startup)
toolbox = QWidget(self, objectName="toolbox-group")
toolbox.setLayout(QVBoxLayout())
toolbox.layout().setContentsMargins(0, 0, 0, 0)
exclusive = QCheckBox(self.tr("Only one tab can be open at a time"))
self.bind(exclusive, "checked", "mainwindow/toolbox-dock-exclusive")
toolbox.layout().addWidget(exclusive)
form.addRow(self.tr("Tool box"), toolbox)
tab.setLayout(form)
# Style tab
tab = StyleConfigWidget()
self.addTab(tab, self.tr("&Style"), toolTip="Application style")
self.bind(tab, "selectedStyle_", "application-style/style-name")
self.bind(tab, "selectedPalette_", "application-style/palette")
# Output Tab
tab = QWidget()
self.addTab(tab, self.tr("Output"), toolTip="Output Redirection")
form = FormLayout()
combo = QComboBox()
combo.addItems([
self.tr("Critical"),
self.tr("Error"),
self.tr("Warn"),
self.tr("Info"),
self.tr("Debug")
])
self.bind(combo, "currentIndex", "logging/level")
form.addRow(self.tr("Logging"), combo)
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("Open in external browser"),
objectName="open-in-external-browser")
self.bind(cb1, "checked", "help/open-in-external-browser")
layout.addWidget(cb1)
box.setLayout(layout)
form.addRow(self.tr("Help window"), box)
tab.setLayout(form)
# Categories Tab
tab = QWidget()
layout = QVBoxLayout()
view = QListView(editTriggers=QListView.NoEditTriggers)
from .. import registry
reg = registry.global_registry()
model = QStandardItemModel()
settings = QSettings()
for cat in reg.categories():
item = QStandardItem()
item.setText(cat.name)
item.setCheckable(True)
visible, _ = category_state(cat, settings)
item.setCheckState(Qt.Checked if visible else Qt.Unchecked)
model.appendRow([item])
view.setModel(model)
layout.addWidget(view)
tab.setLayout(layout)
model.itemChanged.connect(lambda item: save_category_state(
reg.category(str(item.text())),
_State(item.checkState() == Qt.Checked, -1), settings))
self.addTab(tab, "Categories")
# Add-ons Tab
tab = QWidget()
self.addTab(tab,
self.tr("Add-ons"),
toolTip="Settings related to add-on installation")
form = FormLayout()
conda = QWidget(self, objectName="conda-group")
conda.setLayout(QVBoxLayout())
conda.layout().setContentsMargins(0, 0, 0, 0)
cb_conda_install = QCheckBox(self.tr("Install add-ons with conda"),
self,
objectName="allow-conda")
self.bind(cb_conda_install, "checked", "add-ons/allow-conda")
conda.layout().addWidget(cb_conda_install)
form.addRow(self.tr("Conda"), conda)
form.addRow(self.tr("Pip"), QLabel("Pip install arguments:"))
line_edit_pip = QLineEdit()
self.bind(line_edit_pip, "text", "add-ons/pip-install-arguments")
form.addRow("", line_edit_pip)
tab.setLayout(form)
# Network Tab
tab = QWidget()
self.addTab(tab,
self.tr("Network"),
toolTip="Settings related to networking")
form = FormLayout()
line_edit_http_proxy = QLineEdit()
self.bind(line_edit_http_proxy, "text", "network/http-proxy")
form.addRow("HTTP proxy:", line_edit_http_proxy)
line_edit_https_proxy = QLineEdit()
self.bind(line_edit_https_proxy, "text", "network/https-proxy")
form.addRow("HTTPS proxy:", line_edit_https_proxy)
tab.setLayout(form)
if self.__macUnified:
# Need some sensible size otherwise mac unified toolbar 'takes'
# the space that should be used for layout of the contents
self.adjustSize()
def addTab(self, widget, text, toolTip=None, icon=None):
if self.__macUnified:
action = QAction(text, self)
if toolTip:
action.setToolTip(toolTip)
if icon:
action.setIcon(toolTip)
action.setData(len(self.tab.actions()))
self.tab.addAction(action)
self.stack.addWidget(widget)
else:
i = self.tab.addTab(widget, text)
if toolTip:
self.tab.setTabToolTip(i, toolTip)
if icon:
self.tab.setTabIcon(i, icon)
def setCurrentIndex(self, index: int):
if self.__macUnified:
self.stack.setCurrentIndex(index)
else:
self.tab.setCurrentIndex(index)
def widget(self, index):
if self.__macUnified:
return self.stack.widget(index)
else:
return self.tab.widget(index)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
self.hide()
self.deleteLater()
def bind(self, source, source_property, key, transformer=None):
target = UserDefaultsPropertyBinding(self.__settings, key)
source = PropertyBinding(source, source_property)
source.set(target.get())
self._manager.bind(target, source)
def commit(self):
self._manager.commit()
def revert(self):
self._manager.revert()
def reset(self):
for target, source in self._manager.bindings():
try:
source.reset()
except NotImplementedError:
# Cannot reset.
pass
except Exception:
log.error("Error reseting %r",
source.propertyName,
exc_info=True)
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
refresh_proxies()
return status
def hideEvent(self, event):
super().hideEvent(event)
if self.__loop is not None:
self.__loop.exit(0)
self.__loop = None
def __macOnToolBarAction(self, action):
index = action.data()
self.stack.setCurrentIndex(index)
class UserSettingsDialog(QMainWindow):
"""
A User Settings/Defaults dialog.
"""
MAC_UNIFIED = True
def __init__(self, parent=None, **kwargs):
QMainWindow.__init__(self, parent, **kwargs)
self.setWindowFlags(Qt.Dialog)
self.setWindowModality(Qt.ApplicationModal)
self.layout().setSizeConstraint(QVBoxLayout.SetFixedSize)
self.__macUnified = sys.platform == "darwin" and self.MAC_UNIFIED
self._manager = BindingManager(self,
submitPolicy=BindingManager.AutoSubmit)
self.__loop = None
self.__settings = config.settings()
self.__setupUi()
def __setupUi(self):
"""Set up the UI.
"""
if self.__macUnified:
self.tab = QToolBar()
self.addToolBar(Qt.TopToolBarArea, self.tab)
self.setUnifiedTitleAndToolBarOnMac(True)
# This does not seem to work
self.setWindowFlags(self.windowFlags() & \
~Qt.MacWindowToolBarButtonHint)
self.tab.actionTriggered[QAction].connect(
self.__macOnToolBarAction)
central = QStackedWidget()
central.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
else:
self.tab = central = QTabWidget(self)
self.stack = central
self.setCentralWidget(central)
# General Tab
tab = QWidget()
self.addTab(tab, self.tr("通用"), toolTip=self.tr("通用选项"))
form = QFormLayout()
tab.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
nodes = QWidget(self, objectName="nodes")
nodes.setLayout(QVBoxLayout())
nodes.layout().setContentsMargins(0, 0, 0, 0)
cb_anim = QCheckBox(self.tr("启用节点动画"),
objectName="enable-node-animations",
toolTip=self.tr("启用数据挖掘流程中节点的阴影和动画"))
self.bind(cb_anim, "checked", "schemeedit/enable-node-animations")
nodes.layout().addWidget(cb_anim)
form.addRow(self.tr("节点"), nodes)
links = QWidget(self, objectName="links")
links.setLayout(QVBoxLayout())
links.layout().setContentsMargins(0, 0, 0, 0)
cb_show = QCheckBox(self.tr("显示部件之间的通道名称"),
objectName="show-channel-names",
toolTip=self.tr("在链接上显示来源和接收的通道名称。"))
self.bind(cb_show, "checked", "schemeedit/show-channel-names")
links.layout().addWidget(cb_show)
form.addRow(self.tr("连接"), links)
quickmenu = QWidget(self, objectName="quickmenu-options")
quickmenu.setLayout(QVBoxLayout())
quickmenu.layout().setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("双击"), toolTip=self.tr("双击画布空白处打开快捷菜单"))
cb2 = QCheckBox(self.tr("右击"), toolTip=self.tr("右击画布空白处打开快捷菜单"))
cb3 = QCheckBox(self.tr("按空格键"), toolTip=self.tr("鼠标停在画布上，按空格键打开快捷菜单"))
cb4 = QCheckBox(self.tr("按任意键"), toolTip=self.tr("鼠标停在画布上，按任意键打开快捷菜单"))
self.bind(cb1, "checked", "quickmenu/trigger-on-double-click")
self.bind(cb2, "checked", "quickmenu/trigger-on-right-click")
self.bind(cb3, "checked", "quickmenu/trigger-on-space-key")
self.bind(cb4, "checked", "quickmenu/trigger-on-any-key")
quickmenu.layout().addWidget(cb1)
quickmenu.layout().addWidget(cb2)
quickmenu.layout().addWidget(cb3)
quickmenu.layout().addWidget(cb4)
form.addRow(self.tr("打开快捷菜单"), quickmenu)
startup = QWidget(self, objectName="startup-group")
startup.setLayout(QVBoxLayout())
startup.layout().setContentsMargins(0, 0, 0, 0)
cb_splash = QCheckBox(self.tr("显示初始屏幕"),
self,
objectName="show-splash-screen")
cb_welcome = QCheckBox(self.tr("显示欢迎屏幕"),
self,
objectName="show-welcome-screen")
cb_updates = QCheckBox(self.tr("检查更新"),
self,
objectName="check-updates")
self.bind(cb_splash, "checked", "startup/show-splash-screen")
self.bind(cb_welcome, "checked", "startup/show-welcome-screen")
self.bind(cb_updates, "checked", "startup/check-updates")
startup.layout().addWidget(cb_splash)
startup.layout().addWidget(cb_welcome)
startup.layout().addWidget(cb_updates)
form.addRow(self.tr("启动"), startup)
toolbox = QWidget(self, objectName="toolbox-group")
toolbox.setLayout(QVBoxLayout())
toolbox.layout().setContentsMargins(0, 0, 0, 0)
exclusive = QCheckBox(self.tr("一次只能打开一个选项卡 "))
self.bind(exclusive, "checked", "mainwindow/toolbox-dock-exclusive")
toolbox.layout().addWidget(exclusive)
form.addRow(self.tr("工具箱"), toolbox)
tab.setLayout(form)
# Output Tab
tab = QWidget()
self.addTab(tab, self.tr("输出"), toolTip="输出重定向")
form = QFormLayout()
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
combo = QComboBox()
combo.addItems([
self.tr("Critical"),
self.tr("Error"),
self.tr("Warn"),
self.tr("Info"),
self.tr("Debug")
])
self.bind(combo, "currentIndex", "logging/level")
layout.addWidget(combo)
box.setLayout(layout)
form.addRow(self.tr("日志"), box)
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("用外部浏览器打开"),
objectName="open-in-external-browser")
self.bind(cb1, "checked", "help/open-in-external-browser")
layout.addWidget(cb1)
box.setLayout(layout)
form.addRow(self.tr("帮助"), box)
tab.setLayout(form)
# Error Reporting Tab
tab = QWidget()
self.addTab(tab, self.tr("错误报告"), toolTip="错误报告相关的设置")
form = QFormLayout()
line_edit_mid = QLineEdit()
self.bind(line_edit_mid, "text", "error-reporting/machine-id")
form.addRow("Machine ID:", line_edit_mid)
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(
self.tr(""),
toolTip=self.tr(
"Share anonymous usage statistics to improve Orange"))
self.bind(cb1, "checked", "error-reporting/send-statistics")
layout.addWidget(cb1)
box.setLayout(layout)
form.addRow(self.tr("共享匿名统计信息"), box)
tab.setLayout(form)
# Add-ons Tab
tab = QWidget()
self.addTab(tab, self.tr("附加"), toolTip="附加组件安装相关的设置")
form = QFormLayout()
conda = QWidget(self, objectName="conda-group")
conda.setLayout(QVBoxLayout())
conda.layout().setContentsMargins(0, 0, 0, 0)
cb_conda_install = QCheckBox(self.tr("Conda安装附加组件"),
self,
objectName="allow-conda")
self.bind(cb_conda_install, "checked", "add-ons/allow-conda")
conda.layout().addWidget(cb_conda_install)
form.addRow(self.tr("Conda"), conda)
form.addRow(self.tr("Pip"), QLabel("Pip安装参数:"))
line_edit_pip = QLineEdit()
self.bind(line_edit_pip, "text", "add-ons/pip-install-arguments")
form.addRow("", line_edit_pip)
tab.setLayout(form)
# Network Tab
tab = QWidget()
self.addTab(tab, self.tr("网络"), toolTip="网络相关的设置")
form = QFormLayout()
line_edit_http_proxy = QLineEdit()
self.bind(line_edit_http_proxy, "text", "network/http-proxy")
form.addRow("HTTP代理:", line_edit_http_proxy)
line_edit_https_proxy = QLineEdit()
self.bind(line_edit_https_proxy, "text", "network/https-proxy")
form.addRow("HTTPS代理:", line_edit_https_proxy)
tab.setLayout(form)
if self.__macUnified:
# Need some sensible size otherwise mac unified toolbar 'takes'
# the space that should be used for layout of the contents
self.adjustSize()
def addTab(self, widget, text, toolTip=None, icon=None):
if self.__macUnified:
action = QAction(text, self)
if toolTip:
action.setToolTip(toolTip)
if icon:
action.setIcon(toolTip)
action.setData(len(self.tab.actions()))
self.tab.addAction(action)
self.stack.addWidget(widget)
else:
i = self.tab.addTab(widget, text)
if toolTip:
self.tab.setTabToolTip(i, toolTip)
if icon:
self.tab.setTabIcon(i, icon)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
self.hide()
self.deleteLater()
def bind(self, source, source_property, key, transformer=None):
target = UserDefaultsPropertyBinding(self.__settings, key)
source = PropertyBinding(source, source_property)
source.set(target.get())
self._manager.bind(target, source)
def commit(self):
self._manager.commit()
def revert(self):
self._manager.revert()
def reset(self):
for target, source in self._manager.bindings():
try:
source.reset()
except NotImplementedError:
# Cannot reset.
pass
except Exception:
log.error("Error reseting %r",
source.propertyName,
exc_info=True)
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
refresh_proxies()
return status
def hideEvent(self, event):
QMainWindow.hideEvent(self, event)
if self.__loop is not None:
self.__loop.exit(0)
self.__loop = None
def __macOnToolBarAction(self, action):
self.stack.setCurrentIndex(action.data())
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
return status
class EventSpy(QObject):
"""
A testing utility class (similar to QSignalSpy) to record events
delivered to a QObject instance.
Note
----
Only event types can be recorded (as QEvent instances are deleted
on delivery).
Note
----
Can only be used with a QCoreApplication running.
Parameters
----------
object : QObject
An object whose events need to be recorded.
etype : Union[QEvent.Type, Sequence[QEvent.Type]
A event type (or types) that should be recorded
"""
def __init__(self, object, etype, **kwargs):
super().__init__(**kwargs)
if not isinstance(object, QObject):
raise TypeError
self.__object = object
try:
len(etype)
except TypeError:
etypes = {etype}
else:
etypes = set(etype)
self.__etypes = etypes
self.__record = []
self.__loop = QEventLoop()
self.__timer = QTimer(self, singleShot=True)
self.__timer.timeout.connect(self.__loop.quit)
self.__object.installEventFilter(self)
def wait(self, timeout=5000):
"""
Start an event loop that runs until a spied event or a timeout occurred.
Parameters
----------
timeout : int
Timeout in milliseconds.
Returns
-------
res : bool
True if the event occurred and False otherwise.
Example
-------
>>> app = QCoreApplication.instance() or QCoreApplication([])
>>> obj = QObject()
>>> spy = EventSpy(obj, QEvent.User)
>>> app.postEvent(obj, QEvent(QEvent.User))
>>> spy.wait()
True
>>> print(spy.events())
[1000]
"""
count = len(self.__record)
self.__timer.stop()
self.__timer.setInterval(timeout)
self.__timer.start()
self.__loop.exec_()
self.__timer.stop()
return len(self.__record) != count
def eventFilter(self, reciever, event):
if reciever is self.__object and event.type() in self.__etypes:
self.__record.append(event.type())
if self.__loop.isRunning():
self.__loop.quit()
return super().eventFilter(reciever, event)
def events(self):
"""
Return a list of all (listened to) event types that occurred.
Returns
-------
events : List[QEvent.Type]
"""
return list(self.__record)
class UserSettingsDialog(QMainWindow):
"""
A User Settings/Defaults dialog.
"""
MAC_UNIFIED = True
def __init__(self, parent=None, **kwargs):
super().__init__(parent, **kwargs)
self.setWindowFlags(Qt.Dialog)
self.setWindowModality(Qt.ApplicationModal)
self.layout().setSizeConstraint(QVBoxLayout.SetFixedSize)
self.__macUnified = sys.platform == "darwin" and self.MAC_UNIFIED
self._manager = BindingManager(self,
submitPolicy=BindingManager.AutoSubmit)
self.__loop = None
self.__settings = config.settings()
self.__setupUi()
def __setupUi(self):
"""Set up the UI.
"""
if self.__macUnified:
self.tab = QToolBar(
floatable=False, movable=False, allowedAreas=Qt.TopToolBarArea,
)
self.addToolBar(Qt.TopToolBarArea, self.tab)
self.setUnifiedTitleAndToolBarOnMac(True)
# This does not seem to work
self.setWindowFlags(self.windowFlags() & \
~Qt.MacWindowToolBarButtonHint)
self.tab.actionTriggered[QAction].connect(
self.__macOnToolBarAction
)
central = QStackedWidget()
central.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
else:
self.tab = central = QTabWidget(self)
# Add a close button to the bottom of the dialog
# (to satisfy GNOME 3 which shows the dialog without a title bar).
container = container_widget_helper()
container.layout().addWidget(central)
buttonbox = QDialogButtonBox(QDialogButtonBox.Close)
buttonbox.rejected.connect(self.close)
container.layout().addWidget(buttonbox)
self.setCentralWidget(container)
self.stack = central
# General Tab
tab = QWidget()
self.addTab(tab, self.tr("常规"),
toolTip=self.tr("常规选项"))
form = FormLayout()
tab.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
nodes = QWidget(self, objectName="nodes")
nodes.setLayout(QVBoxLayout())
nodes.layout().setContentsMargins(0, 0, 0, 0)
cb_anim = QCheckBox(
self.tr("启用节点动画"),
objectName="enable-node-animations",
toolTip=self.tr("为工作流中的节点启用阴影和ping动画。")
)
self.bind(cb_anim, "checked", "schemeedit/enable-node-animations")
nodes.layout().addWidget(cb_anim)
form.addRow(self.tr("结点"), nodes)
links = QWidget(self, objectName="links")
links.setLayout(QVBoxLayout())
links.layout().setContentsMargins(0, 0, 0, 0)
cb_show = QCheckBox(
self.tr("在窗口小部件之间显示通道名称"),
objectName="show-channel-names",
toolTip=self.tr("在链接上显示源和接收器通道名称。")
)
self.bind(cb_show, "checked", "schemeedit/show-channel-names")
links.layout().addWidget(cb_show)
form.addRow(self.tr("链接"), links)
quickmenu = QWidget(self, objectName="quickmenu-options")
quickmenu.setLayout(QVBoxLayout())
quickmenu.layout().setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("双击时打开"),
toolTip=self.tr("双击画布中的空白位置打开快捷菜单"))
cb2 = QCheckBox(self.tr("单击鼠标右键时打开"),
toolTip=self.tr("右键单击画布中的空白处打开快捷菜单"))
cb3 = QCheckBox(self.tr("按空格键时打开"),
toolTip=self.tr("当鼠标悬停在画布上时，按空格键。"))
cb4 = QCheckBox(self.tr("按任意按键时打开"),
toolTip=self.tr("当鼠标悬停在画布上时，按任意键。"))
cb5 = QCheckBox(self.tr("显示分类"),
toolTip=self.tr("In addition to searching, allow filtering "
"by categories."))
self.bind(cb1, "checked", "quickmenu/trigger-on-double-click")
self.bind(cb2, "checked", "quickmenu/trigger-on-right-click")
self.bind(cb3, "checked", "quickmenu/trigger-on-space-key")
self.bind(cb4, "checked", "quickmenu/trigger-on-any-key")
self.bind(cb5, "checked", "quickmenu/show-categories")
quickmenu.layout().addWidget(cb1)
quickmenu.layout().addWidget(cb2)
quickmenu.layout().addWidget(cb3)
quickmenu.layout().addWidget(cb4)
quickmenu.layout().addWidget(cb5)
form.addRow(self.tr("快捷菜单"), quickmenu)
startup = QWidget(self, objectName="startup-group")
startup.setLayout(QVBoxLayout())
startup.layout().setContentsMargins(0, 0, 0, 0)
cb_splash = QCheckBox(self.tr("显示启动画面"), self,
objectName="show-splash-screen")
cb_welcome = QCheckBox(self.tr("显示欢迎界面"), self,
objectName="show-welcome-screen")
cb_crash = QCheckBox(self.tr("加载崩溃的工作流"), self,
objectName="load-crashed-workflows")
self.bind(cb_splash, "checked", "startup/show-splash-screen")
self.bind(cb_welcome, "checked", "startup/show-welcome-screen")
self.bind(cb_crash, "checked", "startup/load-crashed-workflows")
startup.layout().addWidget(cb_splash)
startup.layout().addWidget(cb_welcome)
startup.layout().addWidget(cb_crash)
form.addRow(self.tr("启动时"), startup)
toolbox = QWidget(self, objectName="toolbox-group")
toolbox.setLayout(QVBoxLayout())
toolbox.layout().setContentsMargins(0, 0, 0, 0)
exclusive = QCheckBox(self.tr("一次只能打开一个选项卡"))
self.bind(exclusive, "checked", "mainwindow/toolbox-dock-exclusive")
toolbox.layout().addWidget(exclusive)
form.addRow(self.tr("工具箱"), toolbox)
tab.setLayout(form)
# Style tab
tab = StyleConfigWidget()
self.addTab(tab, self.tr("&Style"), toolTip="Application style")
self.bind(tab, "selectedStyle_", "application-style/style-name")
self.bind(tab, "selectedPalette_", "application-style/palette")
# Output Tab
tab = QWidget()
self.addTab(tab, self.tr("输出"),
toolTip="输出重定向")
form = FormLayout()
combo = QComboBox()
combo.addItems([self.tr("关键"),
self.tr("错误"),
self.tr("警告"),
self.tr("信息"),
self.tr("调试")])
self.bind(combo, "currentIndex", "logging/level")
form.addRow(self.tr("记录"), combo)
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("在外部浏览器中打开"),
objectName="open-in-external-browser")
self.bind(cb1, "checked", "help/open-in-external-browser")
layout.addWidget(cb1)
box.setLayout(layout)
form.addRow(self.tr("帮助窗口"), box)
tab.setLayout(form)
# Categories Tab
tab = QWidget()
layout = QVBoxLayout()
view = QListView(
editTriggers=QListView.NoEditTriggers
)
from .. import registry
reg = registry.global_registry()
model = QStandardItemModel()
settings = QSettings()
for cat in reg.categories():
item = QStandardItem()
item.setText(cat.name)
item.setCheckable(True)
visible, _ = category_state(cat, settings)
item.setCheckState(Qt.Checked if visible else Qt.Unchecked)
model.appendRow([item])
view.setModel(model)
layout.addWidget(view)
tab.setLayout(layout)
model.itemChanged.connect(
lambda item:
save_category_state(
reg.category(str(item.text())),
_State(item.checkState() == Qt.Checked, -1),
settings
)
)
self.addTab(tab, "类别")
# Add-ons Tab
tab = QWidget()
self.addTab(tab, self.tr("插件"),
toolTip="与插件安装相关的设置")
form = FormLayout()
conda = QWidget(self, objectName="conda-group")
conda.setLayout(QVBoxLayout())
conda.layout().setContentsMargins(0, 0, 0, 0)
mirror_install = QCheckBox(self.tr("使用国内镜像安装"), self,
objectName="allow-conda")
self.bind(mirror_install, "checked", "add-ons/allow-conda")
conda.layout().addWidget(mirror_install)
form.addRow(self.tr("镜像"), conda)
form.addRow(self.tr("Pip"), QLabel("Pip 安装参数:"))
line_edit_pip = QLineEdit()
# line_edit_pip.setText('-i https://mirrors.aliyun.com/pypi/simple')
self.bind(line_edit_pip, "text", "add-ons/pip-install-arguments")
form.addRow("", line_edit_pip)
tab.setLayout(form)
# Network Tab
tab = QWidget()
self.addTab(tab, self.tr("网络"),
toolTip="与网络相关的设置")
form = FormLayout()
line_edit_http_proxy = QLineEdit()
self.bind(line_edit_http_proxy, "text", "network/http-proxy")
form.addRow("HTTP 代理:", line_edit_http_proxy)
line_edit_https_proxy = QLineEdit()
self.bind(line_edit_https_proxy, "text", "network/https-proxy")
form.addRow("HTTPS 代理:", line_edit_https_proxy)
tab.setLayout(form)
if self.__macUnified:
# Need some sensible size otherwise mac unified toolbar 'takes'
# the space that should be used for layout of the contents
self.adjustSize()
def addTab(self, widget, text, toolTip=None, icon=None):
if self.__macUnified:
action = QAction(text, self)
if toolTip:
action.setToolTip(toolTip)
if icon:
action.setIcon(toolTip)
action.setData(len(self.tab.actions()))
self.tab.addAction(action)
self.stack.addWidget(widget)
else:
i = self.tab.addTab(widget, text)
if toolTip:
self.tab.setTabToolTip(i, toolTip)
if icon:
self.tab.setTabIcon(i, icon)
def setCurrentIndex(self, index: int):
if self.__macUnified:
self.stack.setCurrentIndex(index)
else:
self.tab.setCurrentIndex(index)
def widget(self, index):
if self.__macUnified:
return self.stack.widget(index)
else:
return self.tab.widget(index)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
self.hide()
self.deleteLater()
def bind(self, source, source_property, key, transformer=None):
target = UserDefaultsPropertyBinding(self.__settings, key)
source = PropertyBinding(source, source_property)
source.set(target.get())
self._manager.bind(target, source)
def commit(self):
self._manager.commit()
def revert(self):
self._manager.revert()
def reset(self):
for target, source in self._manager.bindings():
try:
source.reset()
except NotImplementedError:
# Cannot reset.
pass
except Exception:
log.error("Error reseting %r", source.propertyName,
exc_info=True)
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
refresh_proxies()
return status
def hideEvent(self, event):
super().hideEvent(event)
if self.__loop is not None:
self.__loop.exit(0)
self.__loop = None
def __macOnToolBarAction(self, action):
index = action.data()
self.stack.setCurrentIndex(index)
class CategoryPopupMenu(FramelessWindow):
"""
A menu popup from which nodes can be dragged or clicked/activated.
"""
triggered = Signal(QAction)
hovered = Signal(QAction)
def __init__(self, parent=None, **kwargs):
# type: (Optional[QWidget], Any) -> None
super().__init__(parent, **kwargs)
self.setWindowFlags(self.windowFlags() | Qt.Popup)
layout = QVBoxLayout()
layout.setContentsMargins(6, 6, 6, 6)
self.__menu = MenuPage()
self.__menu.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
if sys.platform == "darwin":
self.__menu.view().setAttribute(Qt.WA_MacShowFocusRect, False)
self.__menu.triggered.connect(self.__onTriggered)
self.__menu.hovered.connect(self.hovered)
self.__dragListener = ItemViewDragStartEventListener(self)
self.__dragListener.dragStarted.connect(self.__onDragStarted)
self.__menu.view().viewport().installEventFilter(self.__dragListener)
self.__menu.view().installEventFilter(self)
layout.addWidget(self.__menu)
self.setLayout(layout)
self.__action = None # type: Optional[QAction]
self.__loop = None # type: Optional[QEventLoop]
def setCategoryItem(self, item):
"""
Set the category root item (:class:`QStandardItem`).
"""
warnings.warn(
"setCategoryItem is deprecated. Use the more general 'setModel'"
"and setRootIndex", DeprecationWarning, stacklevel=2
)
model = item.model()
self.__menu.setModel(model)
self.__menu.setRootIndex(item.index())
def setModel(self, model):
# type: (QAbstractItemModel) -> None
"""
Set the model.
Parameters
----------
model : QAbstractItemModel
"""
self.__menu.setModel(model)
def setRootIndex(self, index):
# type: (QModelIndex) -> None
"""
Set the root index in `model`.
Parameters
----------
index : QModelIndex
"""
self.__menu.setRootIndex(index)
def setActionRole(self, role):
# type: (Qt.ItemDataRole) -> None
"""
Set the action role in model.
This is an item role in `model` that returns a QAction for the item.
Parameters
----------
role : Qt.ItemDataRole
"""
self.__menu.setActionRole(role)
def popup(self, pos=None):
# type: (Optional[QPoint]) -> None
"""
Show the popup at `pos`.
Parameters
----------
pos : Optional[QPoint]
The position in global screen coordinates
"""
if pos is None:
pos = self.pos()
self.adjustSize()
geom = widget_popup_geometry(pos, self)
self.setGeometry(geom)
self.show()
self.__menu.view().setFocus()
def exec_(self, pos=None):
# type: (Optional[QPoint]) -> Optional[QAction]
self.popup(pos)
self.__loop = QEventLoop()
self.__action = None
self.__loop.exec_()
self.__loop = None
if self.__action is not None:
action = self.__action
else:
action = None
return action
def hideEvent(self, event):
# type: (QHideEvent) -> None
if self.__loop is not None:
self.__loop.exit(0)
super().hideEvent(event)
def __onTriggered(self, action):
# type: (QAction) -> None
self.__action = action
self.triggered.emit(action)
self.hide()
if self.__loop:
self.__loop.exit(0)
def __onDragStarted(self, index):
# type: (QModelIndex) -> None
desc = index.data(QtWidgetRegistry.WIDGET_DESC_ROLE)
icon = index.data(Qt.DecorationRole)
drag_data = QMimeData()
drag_data.setData(
"application/vnv.orange-canvas.registry.qualified-name",
desc.qualified_name.encode('utf-8')
)
drag = QDrag(self)
drag.setPixmap(icon.pixmap(38))
drag.setMimeData(drag_data)
# TODO: Should animate (accept) hide.
self.hide()
# When a drag is started and the menu hidden the item's tool tip
# can still show for a short time UNDER the cursor preventing a
# drop.
viewport = self.__menu.view().viewport()
filter = ToolTipEventFilter()
viewport.installEventFilter(filter)
drag.exec_(Qt.CopyAction)
viewport.removeEventFilter(filter)
def eventFilter(self, obj, event):
if isinstance(obj, QTreeView) and event.type() == QEvent.KeyPress:
key = event.key()
if key in [Qt.Key_Return, Qt.Key_Enter]:
curr = obj.currentIndex()
if curr.isValid():
obj.activated.emit(curr)
return True
return super().eventFilter(obj, event)
class CategoryPopupMenu(FramelessWindow):
triggered = Signal(QAction)
hovered = Signal(QAction)
def __init__(self, parent=None, **kwargs):
FramelessWindow.__init__(self, parent, **kwargs)
self.setWindowFlags(self.windowFlags() | Qt.Popup)
layout = QVBoxLayout()
layout.setContentsMargins(6, 6, 6, 6)
self.__menu = MenuPage()
self.__menu.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
if sys.platform == "darwin":
self.__menu.view().setAttribute(Qt.WA_MacShowFocusRect, False)
self.__menu.triggered.connect(self.__onTriggered)
self.__menu.hovered.connect(self.hovered)
self.__dragListener = ItemViewDragStartEventListener(self)
self.__dragListener.dragStarted.connect(self.__onDragStarted)
self.__menu.view().viewport().installEventFilter(self.__dragListener)
layout.addWidget(self.__menu)
self.setLayout(layout)
self.__action = None
self.__loop = None
self.__item = None
def setCategoryItem(self, item):
"""
Set the category root item (:class:`QStandardItem`).
"""
self.__item = item
model = item.model()
self.__menu.setModel(model)
self.__menu.setRootIndex(item.index())
def popup(self, pos=None):
if pos is None:
pos = self.pos()
self.adjustSize()
geom = widget_popup_geometry(pos, self)
self.setGeometry(geom)
self.show()
def exec_(self, pos=None):
self.popup(pos)
self.__loop = QEventLoop()
self.__action = None
self.__loop.exec_()
self.__loop = None
if self.__action is not None:
action = self.__action
else:
action = None
return action
def hideEvent(self, event):
if self.__loop is not None:
self.__loop.exit(0)
return FramelessWindow.hideEvent(self, event)
def __onTriggered(self, action):
self.__action = action
self.triggered.emit(action)
self.hide()
if self.__loop:
self.__loop.exit(0)
def __onDragStarted(self, index):
desc = qunwrap(index.data(QtWidgetRegistry.WIDGET_DESC_ROLE))
icon = qunwrap(index.data(Qt.DecorationRole))
drag_data = QMimeData()
drag_data.setData(
"application/vnv.orange-canvas.registry.qualified-name",
desc.qualified_name.encode('utf-8'))
drag = QDrag(self)
drag.setPixmap(icon.pixmap(38))
drag.setMimeData(drag_data)
# TODO: Should animate (accept) hide.
self.hide()
# When a drag is started and the menu hidden the item's tool tip
# can still show for a short time UNDER the cursor preventing a
# drop.
viewport = self.__menu.view().viewport()
filter = ToolTipEventFilter()
viewport.installEventFilter(filter)
drag.exec_(Qt.CopyAction)
viewport.removeEventFilter(filter)
class UserSettingsDialog(QMainWindow):
"""
A User Settings/Defaults dialog.
"""
MAC_UNIFIED = True
def __init__(self, parent=None, **kwargs):
QMainWindow.__init__(self, parent, **kwargs)
self.setWindowFlags(Qt.Dialog)
self.setWindowModality(Qt.ApplicationModal)
self.layout().setSizeConstraint(QVBoxLayout.SetFixedSize)
self.__macUnified = sys.platform == "darwin" and self.MAC_UNIFIED
self._manager = BindingManager(self,
submitPolicy=BindingManager.AutoSubmit)
self.__loop = None
self.__settings = config.settings()
self.__setupUi()
def __setupUi(self):
"""Set up the UI.
"""
if self.__macUnified:
self.tab = QToolBar()
self.addToolBar(Qt.TopToolBarArea, self.tab)
self.setUnifiedTitleAndToolBarOnMac(True)
# This does not seem to work
self.setWindowFlags(self.windowFlags() & \
~Qt.MacWindowToolBarButtonHint)
self.tab.actionTriggered[QAction].connect(
self.__macOnToolBarAction
)
central = QStackedWidget()
central.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
else:
self.tab = central = QTabWidget(self)
self.stack = central
self.setCentralWidget(central)
# General Tab
tab = QWidget()
self.addTab(tab, self.tr("General"),
toolTip=self.tr("General Options"))
form = QFormLayout()
tab.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
nodes = QWidget(self, objectName="nodes")
nodes.setLayout(QVBoxLayout())
nodes.layout().setContentsMargins(0, 0, 0, 0)
cb_anim = QCheckBox(
self.tr("Enable node animations"),
objectName="enable-node-animations",
toolTip=self.tr("Enable shadow and ping animations for nodes "
"in the workflow.")
)
self.bind(cb_anim, "checked", "schemeedit/enable-node-animations")
nodes.layout().addWidget(cb_anim)
form.addRow(self.tr("Nodes"), nodes)
links = QWidget(self, objectName="links")
links.setLayout(QVBoxLayout())
links.layout().setContentsMargins(0, 0, 0, 0)
cb_show = QCheckBox(
self.tr("Show channel names between widgets"),
objectName="show-channel-names",
toolTip=self.tr("Show source and sink channel names "
"over the links.")
)
self.bind(cb_show, "checked", "schemeedit/show-channel-names")
links.layout().addWidget(cb_show)
form.addRow(self.tr("Links"), links)
quickmenu = QWidget(self, objectName="quickmenu-options")
quickmenu.setLayout(QVBoxLayout())
quickmenu.layout().setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("On double click"),
toolTip=self.tr("Open quick menu on a double click "
"on an empty spot in the canvas"))
cb2 = QCheckBox(self.tr("On right click"),
toolTip=self.tr("Open quick menu on a right click "
"on an empty spot in the canvas"))
cb3 = QCheckBox(self.tr("On space key press"),
toolTip=self.tr("On Space key press while the mouse"
"is hovering over the canvas."))
cb4 = QCheckBox(self.tr("On any key press"),
toolTip=self.tr("On any key press while the mouse"
"is hovering over the canvas."))
self.bind(cb1, "checked", "quickmenu/trigger-on-double-click")
self.bind(cb2, "checked", "quickmenu/trigger-on-right-click")
self.bind(cb3, "checked", "quickmenu/trigger-on-space-key")
self.bind(cb4, "checked", "quickmenu/trigger-on-any-key")
quickmenu.layout().addWidget(cb1)
quickmenu.layout().addWidget(cb2)
quickmenu.layout().addWidget(cb3)
quickmenu.layout().addWidget(cb4)
form.addRow(self.tr("Open quick menu on"), quickmenu)
startup = QWidget(self, objectName="startup-group")
startup.setLayout(QVBoxLayout())
startup.layout().setContentsMargins(0, 0, 0, 0)
cb_splash = QCheckBox(self.tr("Show splash screen"), self,
objectName="show-splash-screen")
cb_welcome = QCheckBox(self.tr("Show welcome screen"), self,
objectName="show-welcome-screen")
cb_updates = QCheckBox(self.tr("Check for updates"), self,
objectName="check-updates")
self.bind(cb_splash, "checked", "startup/show-splash-screen")
self.bind(cb_welcome, "checked", "startup/show-welcome-screen")
self.bind(cb_updates, "checked", "startup/check-updates")
startup.layout().addWidget(cb_splash)
startup.layout().addWidget(cb_welcome)
startup.layout().addWidget(cb_updates)
form.addRow(self.tr("On startup"), startup)
toolbox = QWidget(self, objectName="toolbox-group")
toolbox.setLayout(QVBoxLayout())
toolbox.layout().setContentsMargins(0, 0, 0, 0)
exclusive = QCheckBox(self.tr("Only one tab can be open at a time"))
self.bind(exclusive, "checked", "mainwindow/toolbox-dock-exclusive")
toolbox.layout().addWidget(exclusive)
form.addRow(self.tr("Tool box"), toolbox)
tab.setLayout(form)
# Output Tab
tab = QWidget()
self.addTab(tab, self.tr("Output"),
toolTip="Output Redirection")
form = QFormLayout()
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
combo = QComboBox()
combo.addItems([self.tr("Critical"),
self.tr("Error"),
self.tr("Warn"),
self.tr("Info"),
self.tr("Debug")])
self.bind(combo, "currentIndex", "logging/level")
layout.addWidget(combo)
box.setLayout(layout)
form.addRow(self.tr("Logging"), box)
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("Open in external browser"),
objectName="open-in-external-browser")
self.bind(cb1, "checked", "help/open-in-external-browser")
layout.addWidget(cb1)
box.setLayout(layout)
form.addRow(self.tr("Help window"), box)
tab.setLayout(form)
# Error Reporting Tab
tab = QWidget()
self.addTab(tab, self.tr("Error Reporting"),
toolTip="Settings related to error reporting")
form = QFormLayout()
line_edit_mid = QLineEdit()
self.bind(line_edit_mid, "text", "error-reporting/machine-id")
form.addRow("Machine ID:", line_edit_mid)
tab.setLayout(form)
# Add-ons Tab
tab = QWidget()
self.addTab(tab, self.tr("Add-ons"),
toolTip="Settings related to add-on installation")
form = QFormLayout()
conda = QWidget(self, objectName="conda-group")
conda.setLayout(QVBoxLayout())
conda.layout().setContentsMargins(0, 0, 0, 0)
cb_conda_install = QCheckBox(self.tr("Install add-ons with conda"), self,
objectName="allow-conda-experimental")
self.bind(cb_conda_install, "checked", "add-ons/allow-conda-experimental")
conda.layout().addWidget(cb_conda_install)
form.addRow(self.tr("Conda"), conda)
tab.setLayout(form)
if self.__macUnified:
# Need some sensible size otherwise mac unified toolbar 'takes'
# the space that should be used for layout of the contents
self.adjustSize()
def addTab(self, widget, text, toolTip=None, icon=None):
if self.__macUnified:
action = QAction(text, self)
if toolTip:
action.setToolTip(toolTip)
if icon:
action.setIcon(toolTip)
action.setData(len(self.tab.actions()))
self.tab.addAction(action)
self.stack.addWidget(widget)
else:
i = self.tab.addTab(widget, text)
if toolTip:
self.tab.setTabToolTip(i, toolTip)
if icon:
self.tab.setTabIcon(i, icon)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
self.hide()
self.deleteLater()
def bind(self, source, source_property, key, transformer=None):
target = UserDefaultsPropertyBinding(self.__settings, key)
source = PropertyBinding(source, source_property)
source.set(target.get())
self._manager.bind(target, source)
def commit(self):
self._manager.commit()
def revert(self):
self._manager.revert()
def reset(self):
for target, source in self._manager.bindings():
try:
source.reset()
except NotImplementedError:
# Cannot reset.
pass
except Exception:
log.error("Error reseting %r", source.propertyName,
exc_info=True)
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
return status
def hideEvent(self, event):
QMainWindow.hideEvent(self, event)
if self.__loop is not None:
self.__loop.exit(0)
self.__loop = None
def __macOnToolBarAction(self, action):
self.stack.setCurrentIndex(action.data())
class QuickMenu(FramelessWindow):
"""
A quick menu popup for the widgets.
The widgets are set using :func:`QuickMenu.setModel` which must be a
model as returned by :func:`QtWidgetRegistry.model`
"""
#: An action has been triggered in the menu.
triggered = Signal(QAction)
#: An action has been hovered in the menu
hovered = Signal(QAction)
def __init__(self, parent=None, **kwargs):
# type: (Optional[QWidget], Any) -> None
super().__init__(parent, **kwargs)
self.setWindowFlags(Qt.Popup)
self.__filterFunc = None # type: Optional[FilterFunc]
self.__sortingFunc = None # type: Optional[Callable[[Any, Any], bool]]
self.setLayout(QVBoxLayout(self))
self.layout().setContentsMargins(6, 6, 6, 6)
self.__search = SearchWidget(self, objectName="search-line")
self.__search.setPlaceholderText(
self.tr("Search for widget or select from the list."))
self.layout().addWidget(self.__search)
self.__frame = QFrame(self, objectName="menu-frame")
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(2)
self.__frame.setLayout(layout)
self.layout().addWidget(self.__frame)
self.__pages = PagedMenu(self, objectName="paged-menu")
self.__pages.currentChanged.connect(self.setCurrentIndex)
self.__pages.triggered.connect(self.triggered)
self.__pages.hovered.connect(self.hovered)
self.__frame.layout().addWidget(self.__pages)
self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding)
self.__suggestPage = SuggestMenuPage(self, objectName="suggest-page")
self.__suggestPage.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
self.__suggestPage.setIcon(icon_loader().get("icons/Search.svg"))
if sys.platform == "darwin":
view = self.__suggestPage.view()
view.verticalScrollBar().setAttribute(Qt.WA_MacMiniSize, True)
# Don't show the focus frame because it expands into the tab bar.
view.setAttribute(Qt.WA_MacShowFocusRect, False)
i = self.addPage(self.tr("Quick Search"), self.__suggestPage)
button = self.__pages.tabButton(i)
button.setObjectName("search-tab-button")
button.setStyleSheet("TabButton {\n"
" qproperty-flat_: false;\n"
" border: none;"
"}\n")
self.__search.textEdited.connect(self.__on_textEdited)
self.__navigator = ItemViewKeyNavigator(self)
self.__navigator.setView(self.__suggestPage.view())
self.__search.installEventFilter(self.__navigator)
self.__grip = WindowSizeGrip(self) # type: Optional[WindowSizeGrip]
self.__grip.raise_()
self.__loop = None # type: Optional[QEventLoop]
self.__model = None # type: Optional[QAbstractItemModel]
self.setModel(QStandardItemModel())
self.__triggeredAction = None # type: Optional[QAction]
def setSizeGripEnabled(self, enabled):
# type: (bool) -> None
"""
Enable the resizing of the menu with a size grip in a bottom
right corner (enabled by default).
"""
if bool(enabled) != bool(self.__grip):
if self.__grip:
self.__grip.deleteLater()
self.__grip = None
else:
self.__grip = WindowSizeGrip(self)
self.__grip.raise_()
def sizeGripEnabled(self):
# type: () -> bool
"""
Is the size grip enabled.
"""
return bool(self.__grip)
def addPage(self, name, page):
# type: (str, MenuPage) -> int
"""
Add the `page` (:class:`MenuPage`) with `name` and return it's index.
The `page.icon()` will be used as the icon in the tab bar.
"""
return self.insertPage(self.__pages.count(), name, page)
def insertPage(self, index, name, page):
# type: (int, str, MenuPage) -> int
icon = page.icon()
tip = name
if page.toolTip():
tip = page.toolTip()
index = self.__pages.insertPage(index, page, name, icon, tip)
# Route the page's signals
page.triggered.connect(self.__onTriggered)
page.hovered.connect(self.hovered)
# Install event filter to intercept key presses.
page.view().installEventFilter(self)
return index
def createPage(self, index):
# type: (QModelIndex) -> MenuPage
"""
Create a new page based on the contents of an index
(:class:`QModeIndex`) item.
"""
page = MenuPage(self)
page.setModel(index.model())
page.setRootIndex(index)
view = page.view()
if sys.platform == "darwin":
view.verticalScrollBar().setAttribute(Qt.WA_MacMiniSize, True)
# Don't show the focus frame because it expands into the tab
# bar at the top.
view.setAttribute(Qt.WA_MacShowFocusRect, False)
name = str(index.data(Qt.DisplayRole))
page.setTitle(name)
icon = index.data(Qt.DecorationRole)
if isinstance(icon, QIcon):
page.setIcon(icon)
page.setToolTip(index.data(Qt.ToolTipRole))
return page
def __clear(self):
# type: () -> None
for i in range(self.__pages.count() - 1, 0, -1):
self.__pages.removePage(i)
def setModel(self, model):
# type: (QAbstractItemModel) -> None
"""
Set the model containing the actions.
"""
if self.__model is not None:
self.__model.dataChanged.disconnect(self.__on_dataChanged)
self.__model.rowsInserted.disconnect(self.__on_rowsInserted)
self.__model.rowsRemoved.disconnect(self.__on_rowsRemoved)
self.__clear()
for i in range(model.rowCount()):
index = model.index(i, 0)
self.__insertPage(i + 1, index)
self.__model = model
self.__suggestPage.setModel(model)
if model is not None:
model.dataChanged.connect(self.__on_dataChanged)
model.rowsInserted.connect(self.__on_rowsInserted)
model.rowsRemoved.connect(self.__on_rowsRemoved)
def __on_dataChanged(self, topLeft, bottomRight):
# type: (QModelIndex, QModelIndex) -> None
parent = topLeft.parent()
# Only handle top level item (categories).
if not parent.isValid():
for row in range(topLeft.row(), bottomRight.row() + 1):
index = topLeft.sibling(row, 0)
# Note: the tab buttons are offest by 1 (to accommodate
# the Suggest Page).
button = self.__pages.tabButton(row + 1)
brush = as_qbrush(index.data(QtWidgetRegistry.BACKGROUND_ROLE))
if brush is not None:
base_color = brush.color()
button.setStyleSheet(
TAB_BUTTON_STYLE_TEMPLATE %
(create_css_gradient(base_color),
create_css_gradient(base_color.darker(120))))
def __on_rowsInserted(self, parent, start, end):
# type: (QModelIndex, int, int) -> None
# Only handle top level item (categories).
assert self.__model is not None
if not parent.isValid():
for row in range(start, end + 1):
index = self.__model.index(row, 0)
self.__insertPage(row + 1, index)
def __on_rowsRemoved(self, parent, start, end):
# type: (QModelIndex, int, int) -> None
# Only handle top level item (categories).
if not parent.isValid():
for row in range(end, start - 1, -1):
self.__removePage(row + 1)
def __insertPage(self, row, index):
# type: (int, QModelIndex) -> None
page = self.createPage(index)
page.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
i = self.insertPage(row, page.title(), page)
brush = as_qbrush(index.data(QtWidgetRegistry.BACKGROUND_ROLE))
if brush is not None:
base_color = brush.color()
button = self.__pages.tabButton(i)
button.setStyleSheet(TAB_BUTTON_STYLE_TEMPLATE %
(create_css_gradient(base_color),
create_css_gradient(base_color.darker(120))))
def __removePage(self, row):
# type: (int) -> None
page = self.__pages.page(row)
page.triggered.disconnect(self.__onTriggered)
page.hovered.disconnect(self.hovered)
page.view().removeEventFilter(self)
self.__pages.removePage(row)
def setSortingFunc(self, func):
# type: (Callable[[Any, Any], bool]) -> None
"""
Set a sorting function in the suggest (search) menu.
"""
if self.__sortingFunc != func:
self.__sortingFunc = func
for i in range(0, self.__pages.count()):
page = self.__pages.page(i)
if isinstance(page, SuggestMenuPage):
page.setSortingFunc(func)
def setFilterFunc(self, func):
# type: (Optional[FilterFunc]) -> None
"""
Set a filter function.
"""
if func != self.__filterFunc:
self.__filterFunc = func
for i in range(0, self.__pages.count()):
self.__pages.page(i).setFilterFunc(func)
def popup(self, pos=None, searchText=""):
# type: (Optional[QPoint], str) -> None
"""
Popup the menu at `pos` (in screen coordinates). 'Search' text field
is initialized with `searchText` if provided.
"""
if pos is None:
pos = QPoint()
self.__clearCurrentItems()
self.__search.setText(searchText)
patt = QRegExp(r"(^|\W)" + searchText)
patt.setCaseSensitivity(Qt.CaseInsensitive)
self.__suggestPage.setFilterRegExp(patt)
UsageStatistics.set_last_search_query(searchText)
self.ensurePolished()
if self.testAttribute(Qt.WA_Resized) and self.sizeGripEnabled():
size = self.size()
else:
size = self.sizeHint()
desktop = QApplication.desktop()
screen_geom = desktop.availableGeometry(pos)
# Adjust the size to fit inside the screen.
if size.height() > screen_geom.height():
size.setHeight(screen_geom.height())
if size.width() > screen_geom.width():
size.setWidth(screen_geom.width())
geom = QRect(pos, size)
if geom.top() < screen_geom.top():
geom.setTop(screen_geom.top())
if geom.left() < screen_geom.left():
geom.setLeft(screen_geom.left())
bottom_margin = screen_geom.bottom() - geom.bottom()
right_margin = screen_geom.right() - geom.right()
if bottom_margin < 0:
# Falls over the bottom of the screen, move it up.
geom.translate(0, bottom_margin)
# TODO: right to left locale
if right_margin < 0:
# Falls over the right screen edge, move the menu to the
# other side of pos.
geom.translate(-size.width(), 0)
self.setGeometry(geom)
self.show()
self.setFocusProxy(self.__search)
def exec_(self, pos=None, searchText=""):
# type: (Optional[QPoint], str) -> Optional[QAction]
"""
Execute the menu at position `pos` (in global screen coordinates).
Return the triggered :class:`QAction` or `None` if no action was
triggered. 'Search' text field is initialized with `searchText` if
provided.
"""
self.popup(pos, searchText)
self.setFocus(Qt.PopupFocusReason)
self.__triggeredAction = None
self.__loop = QEventLoop()
self.__loop.exec_()
self.__loop.deleteLater()
self.__loop = None
action = self.__triggeredAction
self.__triggeredAction = None
return action
def hideEvent(self, event):
"""
Reimplemented from :class:`QWidget`
"""
super().hideEvent(event)
if self.__loop:
self.__loop.exit()
def setCurrentPage(self, page):
# type: (MenuPage) -> None
"""
Set the current shown page to `page`.
"""
self.__pages.setCurrentPage(page)
def setCurrentIndex(self, index):
# type: (int) -> None
"""
Set the current page index.
"""
self.__pages.setCurrentIndex(index)
def __clearCurrentItems(self):
# type: () -> None
"""
Clear any selected (or current) items in all the menus.
"""
for i in range(self.__pages.count()):
self.__pages.page(i).view().selectionModel().clear()
def __onTriggered(self, action):
# type: (QAction) -> None
"""
Re-emit the action from the page.
"""
self.__triggeredAction = action
# Hide and exit the event loop if necessary.
self.hide()
self.triggered.emit(action)
def __on_textEdited(self, text):
# type: (str) -> None
patt = QRegExp(r"(^|\W)" + text)
patt.setCaseSensitivity(Qt.CaseInsensitive)
self.__suggestPage.setFilterRegExp(patt)
self.__pages.setCurrentPage(self.__suggestPage)
self.__selectFirstIndex()
UsageStatistics.set_last_search_query(text)
def __selectFirstIndex(self):
# type: () -> None
view = self.__pages.currentPage().view()
model = view.model()
index = model.index(0, 0)
view.setCurrentIndex(index)
def triggerSearch(self):
# type: () -> None
"""
Trigger action search. This changes to current page to the
'Suggest' page and sets the keyboard focus to the search line edit.
"""
self.__pages.setCurrentPage(self.__suggestPage)
self.__search.setFocus(Qt.ShortcutFocusReason)
# Make sure that the first enabled item is set current.
self.__suggestPage.ensureCurrent()
def keyPressEvent(self, event):
if event.text():
# Ignore modifiers, ...
self.__search.setFocus(Qt.ShortcutFocusReason)
self.setCurrentIndex(0)
self.__search.keyPressEvent(event)
super().keyPressEvent(event)
event.accept()
def event(self, event):
if event.type() == QEvent.ShortcutOverride:
log.debug("Overriding shortcuts")
event.accept()
return True
return super().event(event)
def eventFilter(self, obj, event):
if isinstance(obj, QTreeView):
etype = event.type()
if etype == QEvent.KeyPress:
# ignore modifiers non printable characters, Enter, ...
if event.text() and event.key() not in \
[Qt.Key_Enter, Qt.Key_Return]:
self.__search.setFocus(Qt.ShortcutFocusReason)
self.setCurrentIndex(0)
self.__search.keyPressEvent(event)
return True
return super().eventFilter(obj, event)
class UserSettingsDialog(QMainWindow):
"""
A User Settings/Defaults dialog.
"""
MAC_UNIFIED = True
def __init__(self, parent=None, **kwargs):
QMainWindow.__init__(self, parent, **kwargs)
self.setWindowFlags(Qt.Dialog)
self.setWindowModality(Qt.ApplicationModal)
self.layout().setSizeConstraint(QVBoxLayout.SetFixedSize)
self.__macUnified = sys.platform == "darwin" and self.MAC_UNIFIED
self._manager = BindingManager(self,
submitPolicy=BindingManager.AutoSubmit)
self.__loop = None
self.__settings = config.settings()
self.__setupUi()
def __setupUi(self):
"""Set up the UI.
"""
if self.__macUnified:
self.tab = QToolBar()
self.addToolBar(Qt.TopToolBarArea, self.tab)
self.setUnifiedTitleAndToolBarOnMac(True)
# This does not seem to work
self.setWindowFlags(self.windowFlags() & \
~Qt.MacWindowToolBarButtonHint)
self.tab.actionTriggered[QAction].connect(
self.__macOnToolBarAction)
central = QStackedWidget()
central.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
else:
self.tab = central = QTabWidget(self)
self.stack = central
self.setCentralWidget(central)
# General Tab
tab = QWidget()
self.addTab(tab,
self.tr("General"),
toolTip=self.tr("General Options"))
form = QFormLayout()
tab.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
nodes = QWidget(self, objectName="nodes")
nodes.setLayout(QVBoxLayout())
nodes.layout().setContentsMargins(0, 0, 0, 0)
cb_anim = QCheckBox(self.tr("Enable node animations"),
objectName="enable-node-animations",
toolTip=self.tr(
"Enable shadow and ping animations for nodes "
"in the workflow."))
self.bind(cb_anim, "checked", "schemeedit/enable-node-animations")
nodes.layout().addWidget(cb_anim)
form.addRow(self.tr("Nodes"), nodes)
links = QWidget(self, objectName="links")
links.setLayout(QVBoxLayout())
links.layout().setContentsMargins(0, 0, 0, 0)
cb_show = QCheckBox(self.tr("Show channel names between widgets"),
objectName="show-channel-names",
toolTip=self.tr(
"Show source and sink channel names "
"over the links."))
self.bind(cb_show, "checked", "schemeedit/show-channel-names")
links.layout().addWidget(cb_show)
form.addRow(self.tr("Links"), links)
quickmenu = QWidget(self, objectName="quickmenu-options")
quickmenu.setLayout(QVBoxLayout())
quickmenu.layout().setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("On double click"),
toolTip=self.tr("Open quick menu on a double click "
"on an empty spot in the canvas"))
cb2 = QCheckBox(self.tr("On right click"),
toolTip=self.tr("Open quick menu on a right click "
"on an empty spot in the canvas"))
cb3 = QCheckBox(self.tr("On space key press"),
toolTip=self.tr("On Space key press while the mouse"
"is hovering over the canvas."))
cb4 = QCheckBox(self.tr("On any key press"),
toolTip=self.tr("On any key press while the mouse"
"is hovering over the canvas."))
self.bind(cb1, "checked", "quickmenu/trigger-on-double-click")
self.bind(cb2, "checked", "quickmenu/trigger-on-right-click")
self.bind(cb3, "checked", "quickmenu/trigger-on-space-key")
self.bind(cb4, "checked", "quickmenu/trigger-on-any-key")
quickmenu.layout().addWidget(cb1)
quickmenu.layout().addWidget(cb2)
quickmenu.layout().addWidget(cb3)
quickmenu.layout().addWidget(cb4)
form.addRow(self.tr("Open quick menu on"), quickmenu)
startup = QWidget(self, objectName="startup-group")
startup.setLayout(QVBoxLayout())
startup.layout().setContentsMargins(0, 0, 0, 0)
cb_splash = QCheckBox(self.tr("Show splash screen"),
self,
objectName="show-splash-screen")
cb_welcome = QCheckBox(self.tr("Show welcome screen"),
self,
objectName="show-welcome-screen")
cb_updates = QCheckBox(self.tr("Check for updates"),
self,
objectName="check-updates")
self.bind(cb_splash, "checked", "startup/show-splash-screen")
self.bind(cb_welcome, "checked", "startup/show-welcome-screen")
self.bind(cb_updates, "checked", "startup/check-updates")
startup.layout().addWidget(cb_splash)
startup.layout().addWidget(cb_welcome)
startup.layout().addWidget(cb_updates)
form.addRow(self.tr("On startup"), startup)
toolbox = QWidget(self, objectName="toolbox-group")
toolbox.setLayout(QVBoxLayout())
toolbox.layout().setContentsMargins(0, 0, 0, 0)
exclusive = QCheckBox(self.tr("Only one tab can be open at a time"))
self.bind(exclusive, "checked", "mainwindow/toolbox-dock-exclusive")
toolbox.layout().addWidget(exclusive)
form.addRow(self.tr("Tool box"), toolbox)
tab.setLayout(form)
# Output Tab
tab = QWidget()
self.addTab(tab, self.tr("Output"), toolTip="Output Redirection")
form = QFormLayout()
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
combo = QComboBox()
combo.addItems([
self.tr("Critical"),
self.tr("Error"),
self.tr("Warn"),
self.tr("Info"),
self.tr("Debug")
])
self.bind(combo, "currentIndex", "logging/level")
layout.addWidget(combo)
box.setLayout(layout)
form.addRow(self.tr("Logging"), box)
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("Open in external browser"),
objectName="open-in-external-browser")
self.bind(cb1, "checked", "help/open-in-external-browser")
layout.addWidget(cb1)
box.setLayout(layout)
form.addRow(self.tr("Help window"), box)
tab.setLayout(form)
# Error Reporting Tab
tab = QWidget()
self.addTab(tab,
self.tr("Error Reporting"),
toolTip="Settings related to error reporting")
form = QFormLayout()
line_edit_mid = QLineEdit()
self.bind(line_edit_mid, "text", "error-reporting/machine-id")
form.addRow("Machine ID:", line_edit_mid)
tab.setLayout(form)
if self.__macUnified:
# Need some sensible size otherwise mac unified toolbar 'takes'
# the space that should be used for layout of the contents
self.adjustSize()
def addTab(self, widget, text, toolTip=None, icon=None):
if self.__macUnified:
action = QAction(text, self)
if toolTip:
action.setToolTip(toolTip)
if icon:
action.setIcon(toolTip)
action.setData(len(self.tab.actions()))
self.tab.addAction(action)
self.stack.addWidget(widget)
else:
i = self.tab.addTab(widget, text)
if toolTip:
self.tab.setTabToolTip(i, toolTip)
if icon:
self.tab.setTabIcon(i, icon)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
self.hide()
self.deleteLater()
def bind(self, source, source_property, key, transformer=None):
target = UserDefaultsPropertyBinding(self.__settings, key)
source = PropertyBinding(source, source_property)
source.set(target.get())
self._manager.bind(target, source)
def commit(self):
self._manager.commit()
def revert(self):
self._manager.revert()
def reset(self):
for target, source in self._manager.bindings():
try:
source.reset()
except NotImplementedError:
# Cannot reset.
pass
except Exception:
log.error("Error reseting %r",
source.propertyName,
exc_info=True)
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
return status
def hideEvent(self, event):
QMainWindow.hideEvent(self, event)
if self.__loop is not None:
self.__loop.exit(0)
self.__loop = None
def __macOnToolBarAction(self, action):
self.stack.setCurrentIndex(action.data())
class QuickMenu(FramelessWindow):
"""
A quick menu popup for the widgets.
The widgets are set using :func:`QuickMenu.setModel` which must be a
model as returned by :func:`QtWidgetRegistry.model`
"""
#: An action has been triggered in the menu.
triggered = Signal(QAction)
#: An action has been hovered in the menu
hovered = Signal(QAction)
def __init__(self, parent=None, **kwargs):
FramelessWindow.__init__(self, parent, **kwargs)
self.setWindowFlags(Qt.Popup)
self.__filterFunc = None
self.__sortingFunc = None
self.__setupUi()
self.__loop = None
self.__model = QStandardItemModel()
self.__triggeredAction = None
def __setupUi(self):
self.setLayout(QVBoxLayout(self))
self.layout().setContentsMargins(6, 6, 6, 6)
self.__search = SearchWidget(self, objectName="search-line")
self.__search.setPlaceholderText(
self.tr("Search for widget or select from the list.")
)
self.layout().addWidget(self.__search)
self.__frame = QFrame(self, objectName="menu-frame")
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(2)
self.__frame.setLayout(layout)
self.layout().addWidget(self.__frame)
self.__pages = PagedMenu(self, objectName="paged-menu")
self.__pages.currentChanged.connect(self.setCurrentIndex)
self.__pages.triggered.connect(self.triggered)
self.__pages.hovered.connect(self.hovered)
self.__frame.layout().addWidget(self.__pages)
self.setSizePolicy(QSizePolicy.Fixed,
QSizePolicy.Expanding)
self.__suggestPage = SuggestMenuPage(self, objectName="suggest-page")
self.__suggestPage.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
self.__suggestPage.setIcon(icon_loader().get("icons/Search.svg"))
if sys.platform == "darwin":
view = self.__suggestPage.view()
view.verticalScrollBar().setAttribute(Qt.WA_MacMiniSize, True)
# Don't show the focus frame because it expands into the tab bar.
view.setAttribute(Qt.WA_MacShowFocusRect, False)
i = self.addPage(self.tr("Quick Search"), self.__suggestPage)
button = self.__pages.tabButton(i)
button.setObjectName("search-tab-button")
button.setStyleSheet(
"TabButton {\n"
" qproperty-flat_: false;\n"
" border: none;"
"}\n")
self.__search.textEdited.connect(self.__on_textEdited)
self.__navigator = ItemViewKeyNavigator(self)
self.__navigator.setView(self.__suggestPage.view())
self.__search.installEventFilter(self.__navigator)
self.__grip = WindowSizeGrip(self)
self.__grip.raise_()
def setSizeGripEnabled(self, enabled):
"""
Enable the resizing of the menu with a size grip in a bottom
right corner (enabled by default).
"""
if bool(enabled) != bool(self.__grip):
if self.__grip:
self.__grip.deleteLater()
self.__grip = None
else:
self.__grip = WindowSizeGrip(self)
self.__grip.raise_()
def sizeGripEnabled(self):
"""
Is the size grip enabled.
"""
return bool(self.__grip)
def addPage(self, name, page):
"""
Add the `page` (:class:`MenuPage`) with `name` and return it's index.
The `page.icon()` will be used as the icon in the tab bar.
"""
icon = page.icon()
tip = name
if page.toolTip():
tip = page.toolTip()
index = self.__pages.addPage(page, name, icon, tip)
# Route the page's signals
page.triggered.connect(self.__onTriggered)
page.hovered.connect(self.hovered)
# Install event filter to intercept key presses.
page.view().installEventFilter(self)
return index
def createPage(self, index):
"""
Create a new page based on the contents of an index
(:class:`QModeIndex`) item.
"""
page = MenuPage(self)
page.setModel(index.model())
page.setRootIndex(index)
view = page.view()
if sys.platform == "darwin":
view.verticalScrollBar().setAttribute(Qt.WA_MacMiniSize, True)
# Don't show the focus frame because it expands into the tab
# bar at the top.
view.setAttribute(Qt.WA_MacShowFocusRect, False)
name = str(index.data(Qt.DisplayRole))
page.setTitle(name)
icon = index.data(Qt.DecorationRole)
if isinstance(icon, QIcon):
page.setIcon(icon)
page.setToolTip(index.data(Qt.ToolTipRole))
return page
def setModel(self, model):
"""
Set the model containing the actions.
"""
root = model.invisibleRootItem()
for i in range(root.rowCount()):
item = root.child(i)
index = item.index()
page = self.createPage(index)
page.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
i = self.addPage(page.title(), page)
brush = index.data(QtWidgetRegistry.BACKGROUND_ROLE)
if isinstance(brush, QBrush):
base_color = brush.color()
button = self.__pages.tabButton(i)
button.setStyleSheet(
TAB_BUTTON_STYLE_TEMPLATE %
(create_css_gradient(base_color),
create_css_gradient(base_color.darker(120)))
)
self.__model = model
self.__suggestPage.setModel(model)
def setSortingFunc(self, func):
"""
Set a sorting function in the suggest (search) menu.
"""
if self.__sortingFunc != func:
self.__sortingFunc = func
for i in range(0, self.__pages.count()):
if isinstance(self.__pages.page(i), SuggestMenuPage):
self.__pages.page(i).setSortingFunc(func)
def setFilterFunc(self, func):
"""
Set a filter function.
"""
if func != self.__filterFunc:
self.__filterFunc = func
for i in range(0, self.__pages.count()):
self.__pages.page(i).setFilterFunc(func)
def popup(self, pos=None, searchText=""):
"""
Popup the menu at `pos` (in screen coordinates). 'Search' text field
is initialized with `searchText` if provided.
"""
if pos is None:
pos = QPoint()
self.__clearCurrentItems()
self.__search.setText(searchText)
patt = QRegExp("(^|\W)"+searchText)
patt.setCaseSensitivity(False)
self.__suggestPage.setFilterRegExp(patt)
UsageStatistics.set_last_search_query(searchText)
self.ensurePolished()
if self.testAttribute(Qt.WA_Resized) and self.sizeGripEnabled():
size = self.size()
else:
size = self.sizeHint()
desktop = QApplication.desktop()
screen_geom = desktop.availableGeometry(pos)
# Adjust the size to fit inside the screen.
if size.height() > screen_geom.height():
size.setHeight(screen_geom.height())
if size.width() > screen_geom.width():
size.setWidth(screen_geom.width())
geom = QRect(pos, size)
if geom.top() < screen_geom.top():
geom.setTop(screen_geom.top())
if geom.left() < screen_geom.left():
geom.setLeft(screen_geom.left())
bottom_margin = screen_geom.bottom() - geom.bottom()
right_margin = screen_geom.right() - geom.right()
if bottom_margin < 0:
# Falls over the bottom of the screen, move it up.
geom.translate(0, bottom_margin)
# TODO: right to left locale
if right_margin < 0:
# Falls over the right screen edge, move the menu to the
# other side of pos.
geom.translate(-size.width(), 0)
self.setGeometry(geom)
self.show()
self.setFocusProxy(self.__search)
def exec_(self, pos=None, searchText=""):
"""
Execute the menu at position `pos` (in global screen coordinates).
Return the triggered :class:`QAction` or `None` if no action was
triggered. 'Search' text field is initialized with `searchText` if
provided.
"""
self.popup(pos, searchText)
self.setFocus(Qt.PopupFocusReason)
self.__triggeredAction = None
self.__loop = QEventLoop()
self.__loop.exec_()
self.__loop.deleteLater()
self.__loop = None
action = self.__triggeredAction
self.__triggeredAction = None
return action
def hideEvent(self, event):
"""
Reimplemented from :class:`QWidget`
"""
FramelessWindow.hideEvent(self, event)
if self.__loop:
self.__loop.exit()
def setCurrentPage(self, page):
"""
Set the current shown page to `page`.
"""
self.__pages.setCurrentPage(page)
def setCurrentIndex(self, index):
"""
Set the current page index.
"""
self.__pages.setCurrentIndex(index)
def __clearCurrentItems(self):
"""
Clear any selected (or current) items in all the menus.
"""
for i in range(self.__pages.count()):
self.__pages.page(i).view().selectionModel().clear()
def __onTriggered(self, action):
"""
Re-emit the action from the page.
"""
self.__triggeredAction = action
# Hide and exit the event loop if necessary.
self.hide()
self.triggered.emit(action)
def __on_textEdited(self, text):
patt = QRegExp("(^|\W)" + text)
patt.setCaseSensitivity(False)
self.__suggestPage.setFilterRegExp(patt)
self.__pages.setCurrentPage(self.__suggestPage)
self.__selectFirstIndex()
UsageStatistics.set_last_search_query(text)
def __selectFirstIndex(self):
view = self.__pages.currentPage().view()
model = view.model()
index = model.index(0, 0)
view.setCurrentIndex(index)
def triggerSearch(self):
"""
Trigger action search. This changes to current page to the
'Suggest' page and sets the keyboard focus to the search line edit.
"""
self.__pages.setCurrentPage(self.__suggestPage)
self.__search.setFocus(Qt.ShortcutFocusReason)
# Make sure that the first enabled item is set current.
self.__suggestPage.ensureCurrent()
def keyPressEvent(self, event):
if event.text():
# Ignore modifiers, ...
self.__search.setFocus(Qt.ShortcutFocusReason)
self.setCurrentIndex(0)
self.__search.keyPressEvent(event)
FramelessWindow.keyPressEvent(self, event)
event.accept()
def event(self, event):
if event.type() == QEvent.ShortcutOverride:
log.debug("Overriding shortcuts")
event.accept()
return True
return FramelessWindow.event(self, event)
def eventFilter(self, obj, event):
if isinstance(obj, QTreeView):
etype = event.type()
if etype == QEvent.KeyPress:
# ignore modifiers non printable characters, Enter, ...
if event.text() and event.key() not in \
[Qt.Key_Enter, Qt.Key_Return]:
self.__search.setFocus(Qt.ShortcutFocusReason)
self.setCurrentIndex(0)
self.__search.keyPressEvent(event)
return True
return FramelessWindow.eventFilter(self, obj, event)
class EventSpy(QObject):
"""
A testing utility class (similar to QSignalSpy) to record events
delivered to a QObject instance.
Note
----
Only event types can be recorded (as QEvent instances are deleted
on delivery).
Note
----
Can only be used with a QCoreApplication running.
Parameters
----------
object : QObject
An object whose events need to be recorded.
etype : Union[QEvent.Type, Sequence[QEvent.Type]
A event type (or types) that should be recorded
"""
def __init__(self, object, etype, **kwargs):
super().__init__(**kwargs)
if not isinstance(object, QObject):
raise TypeError
self.__object = object
try:
len(etype)
except TypeError:
etypes = {etype}
else:
etypes = set(etype)
self.__etypes = etypes
self.__record = []
self.__loop = QEventLoop()
self.__timer = QTimer(self, singleShot=True)
self.__timer.timeout.connect(self.__loop.quit)
self.__object.installEventFilter(self)
def wait(self, timeout=5000):
"""
Start an event loop that runs until a spied event or a timeout occurred.
Parameters
----------
timeout : int
Timeout in milliseconds.
Returns
-------
res : bool
True if the event occurred and False otherwise.
Example
-------
>>> app = QCoreApplication.instance() or QCoreApplication([])
>>> obj = QObject()
>>> spy = EventSpy(obj, QEvent.User)
>>> app.postEvent(obj, QEvent(QEvent.User))
>>> spy.wait()
True
>>> print(spy.events())
[1000]
"""
count = len(self.__record)
self.__timer.stop()
self.__timer.setInterval(timeout)
self.__timer.start()
self.__loop.exec_()
self.__timer.stop()
return len(self.__record) != count
def eventFilter(self, reciever, event):
if reciever is self.__object and event.type() in self.__etypes:
self.__record.append(event.type())
if self.__loop.isRunning():
self.__loop.quit()
return super().eventFilter(reciever, event)
def events(self):
"""
Return a list of all (listened to) event types that occurred.
Returns
-------
events : List[QEvent.Type]
"""
return list(self.__record)
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
return status
class CategoryPopupMenu(FramelessWindow):
triggered = Signal(QAction)
hovered = Signal(QAction)
def __init__(self, parent=None, **kwargs):
super().__init__(parent, **kwargs)
self.setWindowFlags(self.windowFlags() | Qt.Popup)
layout = QVBoxLayout()
layout.setContentsMargins(6, 6, 6, 6)
self.__menu = MenuPage()
self.__menu.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
if sys.platform == "darwin":
self.__menu.view().setAttribute(Qt.WA_MacShowFocusRect, False)
self.__menu.triggered.connect(self.__onTriggered)
self.__menu.hovered.connect(self.hovered)
self.__dragListener = ItemViewDragStartEventListener(self)
self.__dragListener.dragStarted.connect(self.__onDragStarted)
self.__menu.view().viewport().installEventFilter(self.__dragListener)
layout.addWidget(self.__menu)
self.setLayout(layout)
self.__action = None
self.__loop = None
self.__item = None
def setCategoryItem(self, item):
"""
Set the category root item (:class:`QStandardItem`).
"""
self.__item = item
model = item.model()
self.__menu.setModel(model)
self.__menu.setRootIndex(item.index())
def popup(self, pos=None):
if pos is None:
pos = self.pos()
self.adjustSize()
geom = widget_popup_geometry(pos, self)
self.setGeometry(geom)
self.show()
def exec_(self, pos=None):
self.popup(pos)
self.__loop = QEventLoop()
self.__action = None
self.__loop.exec_()
self.__loop = None
if self.__action is not None:
action = self.__action
else:
action = None
return action
def hideEvent(self, event):
if self.__loop is not None:
self.__loop.exit(0)
return super().hideEvent(event)
def __onTriggered(self, action):
self.__action = action
self.triggered.emit(action)
self.hide()
if self.__loop:
self.__loop.exit(0)
def __onDragStarted(self, index):
desc = index.data(QtWidgetRegistry.WIDGET_DESC_ROLE)
icon = index.data(Qt.DecorationRole)
drag_data = QMimeData()
drag_data.setData(
"application/vnv.orange-canvas.registry.qualified-name",
desc.qualified_name.encode('utf-8')
)
drag = QDrag(self)
drag.setPixmap(icon.pixmap(38))
drag.setMimeData(drag_data)
# TODO: Should animate (accept) hide.
self.hide()
# When a drag is started and the menu hidden the item's tool tip
# can still show for a short time UNDER the cursor preventing a
# drop.
viewport = self.__menu.view().viewport()
filter = ToolTipEventFilter()
viewport.installEventFilter(filter)
drag.exec_(Qt.CopyAction)
viewport.removeEventFilter(filter)
class UserSettingsDialog(QMainWindow):
"""
A User Settings/Defaults dialog.
"""
MAC_UNIFIED = True
def __init__(self, parent=None, **kwargs):
super().__init__(parent, **kwargs)
self.setWindowFlags(Qt.Dialog)
self.setWindowModality(Qt.ApplicationModal)
self.layout().setSizeConstraint(QVBoxLayout.SetFixedSize)
self.__macUnified = sys.platform == "darwin" and self.MAC_UNIFIED
self._manager = BindingManager(self,
submitPolicy=BindingManager.AutoSubmit)
self.__loop = None
self.__settings = config.settings()
self.__setupUi()
def __setupUi(self):
"""Set up the UI.
"""
if self.__macUnified:
self.tab = QToolBar(
floatable=False, movable=False, allowedAreas=Qt.TopToolBarArea,
)
self.addToolBar(Qt.TopToolBarArea, self.tab)
self.setUnifiedTitleAndToolBarOnMac(True)
# This does not seem to work
self.setWindowFlags(self.windowFlags() & \
~Qt.MacWindowToolBarButtonHint)
self.tab.actionTriggered[QAction].connect(
self.__macOnToolBarAction
)
central = QStackedWidget()
central.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
else:
self.tab = central = QTabWidget(self)
# Add a close button to the bottom of the dialog
# (to satisfy GNOME 3 which shows the dialog without a title bar).
container = container_widget_helper()
container.layout().addWidget(central)
buttonbox = QDialogButtonBox(QDialogButtonBox.Close)
buttonbox.rejected.connect(self.close)
container.layout().addWidget(buttonbox)
self.setCentralWidget(container)
self.stack = central
# General Tab
tab = QWidget()
self.addTab(tab, self.tr("General"),
toolTip=self.tr("General Options"))
form = QFormLayout()
tab.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
nodes = QWidget(self, objectName="nodes")
nodes.setLayout(QVBoxLayout())
nodes.layout().setContentsMargins(0, 0, 0, 0)
cb_anim = QCheckBox(
self.tr("Enable node animations"),
objectName="enable-node-animations",
toolTip=self.tr("Enable shadow and ping animations for nodes "
"in the workflow.")
)
self.bind(cb_anim, "checked", "schemeedit/enable-node-animations")
nodes.layout().addWidget(cb_anim)
form.addRow(self.tr("Nodes"), nodes)
links = QWidget(self, objectName="links")
links.setLayout(QVBoxLayout())
links.layout().setContentsMargins(0, 0, 0, 0)
cb_show = QCheckBox(
self.tr("Show channel names between widgets"),
objectName="show-channel-names",
toolTip=self.tr("Show source and sink channel names "
"over the links.")
)
self.bind(cb_show, "checked", "schemeedit/show-channel-names")
links.layout().addWidget(cb_show)
form.addRow(self.tr("Links"), links)
quickmenu = QWidget(self, objectName="quickmenu-options")
quickmenu.setLayout(QVBoxLayout())
quickmenu.layout().setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("On double click"),
toolTip=self.tr("Open quick menu on a double click "
"on an empty spot in the canvas"))
cb2 = QCheckBox(self.tr("On right click"),
toolTip=self.tr("Open quick menu on a right click "
"on an empty spot in the canvas"))
cb3 = QCheckBox(self.tr("On space key press"),
toolTip=self.tr("On Space key press while the mouse"
"is hovering over the canvas."))
cb4 = QCheckBox(self.tr("On any key press"),
toolTip=self.tr("On any key press while the mouse"
"is hovering over the canvas."))
self.bind(cb1, "checked", "quickmenu/trigger-on-double-click")
self.bind(cb2, "checked", "quickmenu/trigger-on-right-click")
self.bind(cb3, "checked", "quickmenu/trigger-on-space-key")
self.bind(cb4, "checked", "quickmenu/trigger-on-any-key")
quickmenu.layout().addWidget(cb1)
quickmenu.layout().addWidget(cb2)
quickmenu.layout().addWidget(cb3)
quickmenu.layout().addWidget(cb4)
form.addRow(self.tr("Open quick menu on"), quickmenu)
startup = QWidget(self, objectName="startup-group")
startup.setLayout(QVBoxLayout())
startup.layout().setContentsMargins(0, 0, 0, 0)
cb_splash = QCheckBox(self.tr("Show splash screen"), self,
objectName="show-splash-screen")
cb_welcome = QCheckBox(self.tr("Show welcome screen"), self,
objectName="show-welcome-screen")
self.bind(cb_splash, "checked", "startup/show-splash-screen")
self.bind(cb_welcome, "checked", "startup/show-welcome-screen")
startup.layout().addWidget(cb_splash)
startup.layout().addWidget(cb_welcome)
form.addRow(self.tr("On startup"), startup)
toolbox = QWidget(self, objectName="toolbox-group")
toolbox.setLayout(QVBoxLayout())
toolbox.layout().setContentsMargins(0, 0, 0, 0)
exclusive = QCheckBox(self.tr("Only one tab can be open at a time"))
self.bind(exclusive, "checked", "mainwindow/toolbox-dock-exclusive")
toolbox.layout().addWidget(exclusive)
form.addRow(self.tr("Tool box"), toolbox)
tab.setLayout(form)
# Output Tab
tab = QWidget()
self.addTab(tab, self.tr("Output"),
toolTip="Output Redirection")
form = QFormLayout()
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
combo = QComboBox()
combo.addItems([self.tr("Critical"),
self.tr("Error"),
self.tr("Warn"),
self.tr("Info"),
self.tr("Debug")])
self.bind(combo, "currentIndex", "logging/level")
layout.addWidget(combo)
box.setLayout(layout)
form.addRow(self.tr("Logging"), box)
box = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
cb1 = QCheckBox(self.tr("Open in external browser"),
objectName="open-in-external-browser")
self.bind(cb1, "checked", "help/open-in-external-browser")
layout.addWidget(cb1)
box.setLayout(layout)
form.addRow(self.tr("Help window"), box)
tab.setLayout(form)
# Categories Tab
tab = QWidget()
layout = QVBoxLayout()
view = QListView(
editTriggers=QListView.NoEditTriggers
)
from .. import registry
reg = registry.global_registry()
model = QStandardItemModel()
settings = QSettings()
for cat in reg.categories():
item = QStandardItem()
item.setText(cat.name)
item.setCheckable(True)
visible, _ = category_state(cat, settings)
item.setCheckState(Qt.Checked if visible else Qt.Unchecked)
model.appendRow([item])
view.setModel(model)
layout.addWidget(view)
tab.setLayout(layout)
model.itemChanged.connect(
lambda item:
save_category_state(
reg.category(str(item.text())),
_State(item.checkState() == Qt.Checked, -1),
settings
)
)
self.addTab(tab, "Categories")
# Add-ons Tab
tab = QWidget()
self.addTab(tab, self.tr("Add-ons"),
toolTip="Settings related to add-on installation")
form = QFormLayout()
conda = QWidget(self, objectName="conda-group")
conda.setLayout(QVBoxLayout())
conda.layout().setContentsMargins(0, 0, 0, 0)
cb_conda_install = QCheckBox(self.tr("Install add-ons with conda"), self,
objectName="allow-conda-experimental")
self.bind(cb_conda_install, "checked", "add-ons/allow-conda-experimental")
conda.layout().addWidget(cb_conda_install)
form.addRow(self.tr("Conda"), conda)
form.addRow(self.tr("Pip"), QLabel("Pip install arguments:"))
line_edit_pip = QLineEdit()
self.bind(line_edit_pip, "text", "add-ons/pip-install-arguments")
form.addRow("", line_edit_pip)
tab.setLayout(form)
# Network Tab
tab = QWidget()
self.addTab(tab, self.tr("Network"),
toolTip="Settings related to networking")
form = QFormLayout()
line_edit_http_proxy = QLineEdit()
self.bind(line_edit_http_proxy, "text", "network/http-proxy")
form.addRow("HTTP proxy:", line_edit_http_proxy)
line_edit_https_proxy = QLineEdit()
self.bind(line_edit_https_proxy, "text", "network/https-proxy")
form.addRow("HTTPS proxy:", line_edit_https_proxy)
tab.setLayout(form)
if self.__macUnified:
# Need some sensible size otherwise mac unified toolbar 'takes'
# the space that should be used for layout of the contents
self.adjustSize()
def addTab(self, widget, text, toolTip=None, icon=None):
if self.__macUnified:
action = QAction(text, self)
if toolTip:
action.setToolTip(toolTip)
if icon:
action.setIcon(toolTip)
action.setData(len(self.tab.actions()))
self.tab.addAction(action)
self.stack.addWidget(widget)
else:
i = self.tab.addTab(widget, text)
if toolTip:
self.tab.setTabToolTip(i, toolTip)
if icon:
self.tab.setTabIcon(i, icon)
def widget(self, index):
if self.__macUnified:
return self.stack.widget(index)
else:
return self.tab.widget(index)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
self.hide()
self.deleteLater()
def bind(self, source, source_property, key, transformer=None):
target = UserDefaultsPropertyBinding(self.__settings, key)
source = PropertyBinding(source, source_property)
source.set(target.get())
self._manager.bind(target, source)
def commit(self):
self._manager.commit()
def revert(self):
self._manager.revert()
def reset(self):
for target, source in self._manager.bindings():
try:
source.reset()
except NotImplementedError:
# Cannot reset.
pass
except Exception:
log.error("Error reseting %r", source.propertyName,
exc_info=True)
def exec_(self):
self.__loop = QEventLoop()
self.show()
status = self.__loop.exec_()
self.__loop = None
refresh_proxies()
return status
def hideEvent(self, event):
super().hideEvent(event)
if self.__loop is not None:
self.__loop.exit(0)
self.__loop = None
def __macOnToolBarAction(self, action):
index = action.data()
self.stack.setCurrentIndex(index)