本文整理汇总了Python中AnyQt.QtCore.QObject类的典型用法代码示例。如果您正苦于以下问题：Python QObject类的具体用法？Python QObject怎么用？Python QObject使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QObject类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_expr
def test_expr(self):
obj1 = QObject()
obj1.setProperty("value", 1)
obj1.setProperty("other", 2)
result = DynamicPropertyBinding(obj1, "result")
result.bindTo(
PropertyBindingExpr(
"value + other",
locals={"value": binding_for(obj1, "value"),
"other": binding_for(obj1, "other")}
)
)
expr = PropertyBindingExpr(
"True if value < 3 else False",
dict(value=DynamicPropertyBinding(obj1, "result"))
)
result_values = []
result.changed[object].connect(result_values.append)
expr_values = []
expr.changed[object].connect(expr_values.append)
self.assertEqual(result.get(), 3)
self.assertEqual(expr.get(), False)
obj1.setProperty("value", 0)
self.assertEqual(result_values[-1], 2)
self.assertEqual(expr_values[-1], True)
self.assertEqual(result.get(), 2)
self.assertEqual(expr.get(), True)示例2: __init__
def __init__(self, source_node, source_channel,
sink_node, sink_channel, enabled=True, properties=None,
parent=None):
QObject.__init__(self, parent)
self.source_node = source_node
if isinstance(source_channel, str):
source_channel = source_node.output_channel(source_channel)
elif source_channel not in source_node.output_channels():
raise ValueError("%r not in in nodes output channels." \
% source_channel)
self.source_channel = source_channel
self.sink_node = sink_node
if isinstance(sink_channel, str):
sink_channel = sink_node.input_channel(sink_channel)
elif sink_channel not in sink_node.input_channels():
raise ValueError("%r not in in nodes input channels." \
% source_channel)
self.sink_channel = sink_channel
if not compatible_channels(source_channel, sink_channel):
raise IncompatibleChannelTypeError(
"Cannot connect %r to %r"
% (source_channel.type, sink_channel.type)
)
self.__enabled = enabled
self.__dynamic_enabled = False
self.__state = SchemeLink.NoState
self.__tool_tip = ""
self.properties = properties or {}示例3: __init__
def __init__(self, parent=None, minimum=0, maximum=0, text="", value=0):
QObject.__init__(self, parent)
self._minimum = minimum
self._maximum = max(maximum, minimum)
self._text = text
self._value = value示例4: __init__
def __init__(self, parent=None):
QObject.__init__(self, parent)
self.__scheme = None
self.__signal_manager = None
self.__widgets = []
self.__initstate_for_node = {}
self.__creation_policy = WidgetManager.Normal
#: a queue of all nodes whose widgets are scheduled for
#: creation/initialization
self.__init_queue = deque() # type: Deque[SchemeNode]
#: Timer for scheduling widget initialization
self.__init_timer = QTimer(self, interval=0, singleShot=True)
self.__init_timer.timeout.connect(self.__create_delayed)
#: A mapping of SchemeNode -> OWWidget (note: a mapping is only added
#: after the widget is actually created)
self.__widget_for_node = {}
#: a mapping of OWWidget -> SchemeNode
self.__node_for_widget = {}
# Widgets that were 'removed' from the scheme but were at
# the time in an input update loop and could not be deleted
# immediately
self.__delay_delete = set()
#: Deleted/removed during creation/initialization.
self.__delete_after_create = []
#: processing state flags for all widgets (including the ones
#: in __delay_delete).
#: Note: widgets which have not yet been created do not have an entry
self.__widget_processing_state = {}
# Tracks the widget in the update loop by the SignalManager
self.__updating_widget = None示例5: __init__
def __init__(self, obj, propertyName, parent=None):
QObject.__init__(self, parent)
self.obj = obj
self.propertyName = propertyName
self.obj.destroyed.connect(self._on_destroyed)
self._source = None示例6: __init__
def __init__(self, parent=None, threadPool=None):
QObject.__init__(self, parent)
if threadPool is None:
threadPool = QThreadPool.globalInstance()
self._threadPool = threadPool
self._depot_thread = None
self._futures = []
self._shutdown = False
self._state_lock = threading.Lock()示例7: __init__
def __init__(self, parent=None, defaults=(), path=None, store=None):
QObject.__init__(self, parent)
if store is None:
store = QSettings()
path = path = (path or "").rstrip("/")
self.__path = path
self.__defaults = dict([(slot.key, slot) for slot in defaults])
self.__store = store示例8: __init__
def __init__(self, parent=None):
QObject.__init__(self, parent)
self.__splitter = None
self.__widget = None
self.__updateOnShow = True # Need __update on next show event
self.__animationEnabled = True
self.__size = -1
self.__expanded = False
self.__animation = QPropertyAnimation(self, b"size_", self, duration=200)
self.__action = QAction("toogle-expanded", self, checkable=True)
self.__action.triggered[bool].connect(self.setExpanded)示例9: __init__
def __init__(self, document, parent=None, deleteOnEnd=True):
QObject.__init__(self, parent)
self.document = document
self.scene = document.scene()
self.scheme = document.scheme()
self.deleteOnEnd = deleteOnEnd
self.cancelOnEsc = False
self.__finished = False
self.__canceled = False
self.__cancelReason = self.NoReason示例10: __init__
def __init__(self, parent=None, title=None, description=None, env={}):
QObject.__init__(self, parent)
self.__title = title or ""
"Workflow title (empty string by default)."
self.__description = description or ""
"Workflow description (empty string by default)."
self.__annotations = []
self.__nodes = []
self.__links = []
self.__env = dict(env)示例11: __init__
def __init__(self, scatter_widget, parent=None, view_box=ViewBox):
QObject.__init__(self)
gui.OWComponent.__init__(self, scatter_widget)
self.subset_is_shown = False
self.view_box = view_box(self)
self.plot_widget = pg.PlotWidget(viewBox=self.view_box, parent=parent,
background="w")
self.plot_widget.hideAxis("left")
self.plot_widget.hideAxis("bottom")
self.plot_widget.getPlotItem().buttonsHidden = True
self.plot_widget.setAntialiasing(True)
self.plot_widget.sizeHint = lambda: QSize(500, 500)
self.density_img = None
self.scatterplot_item = None
self.scatterplot_item_sel = None
self.labels = []
self.master = scatter_widget
self._create_drag_tooltip(self.plot_widget.scene())
self.selection = None # np.ndarray
self.n_valid = 0
self.n_shown = 0
self.sample_size = None
self.sample_indices = None
self.palette = None
self.shape_legend = self._create_legend(((1, 0), (1, 0)))
self.color_legend = self._create_legend(((1, 1), (1, 1)))
self.update_legend_visibility()
self.scale = None # DiscretizedScale
self._too_many_labels = False
# self.setMouseTracking(True)
# self.grabGesture(QPinchGesture)
# self.grabGesture(QPanGesture)
self.update_grid_visibility()
self._tooltip_delegate = EventDelegate(self.help_event)
self.plot_widget.scene().installEventFilter(self._tooltip_delegate)
self.view_box.sigTransformChanged.connect(self.update_density)
self.view_box.sigRangeChangedManually.connect(self.update_labels)
self.timer = None示例12: __init__
def __init__(self, parent=None):
QObject.__init__(self, parent)
assert QThread.currentThread() is QApplication.instance().thread()
netmanager = self._NETMANAGER_REF and self._NETMANAGER_REF()
if netmanager is None:
netmanager = QNetworkAccessManager()
cache = QNetworkDiskCache()
cache.setCacheDirectory(
os.path.join(settings.widget_settings_dir(),
__name__ + ".ImageLoader.Cache")
)
netmanager.setCache(cache)
ImageLoader._NETMANAGER_REF = weakref.ref(netmanager)
self._netmanager = netmanager示例13: __init__
def __init__(self, description, title=None, position=None,
properties=None, parent=None):
QObject.__init__(self, parent)
self.description = description
if title is None:
title = description.name
self.__title = title
self.__position = position or (0, 0)
self.__progress = -1
self.__processing_state = 0
self.__status_message = ""
self.__state_messages = {}
self.properties = properties or {}示例14: setModel
def setModel(self, model):
"""
Reimplemented.
Parameters
----------
model : QAbstractItemModel
"""
if model is self.__completerModel:
return
if self.__completerModel is not None:
self.__completerModel.dataChanged.disconnect(
self.__initDynamicModel)
self.__completerModel.rowsInserted.disconnect(
self.__initDynamicModel)
self.__completerModel.rowsRemoved.disconnect(
self.__initDynamicModel)
if QObject.parent(self.__completerModel) is self:
self.__completerModel.deleteLater()
self.__completerModel = None
self.__completerModel = model
if self.__completerModel is not None:
self.__completerModel.dataChanged.connect(
self.__initDynamicModel)
self.__completerModel.rowsInserted.connect(
self.__initDynamicModel)
self.__completerModel.rowsRemoved.connect(
self.__initDynamicModel)
self.__initDynamicModel()示例15: __init__
def __init__(self, scheme):
assert scheme
QObject.__init__(self, scheme)
self._input_queue = []
# mapping a node to it's current outputs
# {node: {channel: {id: signal_value}}}
self._node_outputs = {}
self.__state = SignalManager.Running
self.__runtime_state = SignalManager.Waiting
# A flag indicating if UpdateRequest event should be rescheduled
self.__reschedule = False
self.__update_timer = QTimer(self, interval=100, singleShot=True)
self.__update_timer.timeout.connect(self.__process_next)