def __init__(self, classifier, granularity, scale, spacing, rect=None):
orangeqt.PlotItem.__init__(self)
self.classifier = classifier
self.rect = rect
self.granularity = granularity
self.scale = scale
self.spacing = spacing
self.pixmap_item = QGraphicsPixmapItem(self)
self.set_in_background(True)
self.setZValue(ProbabilitiesZValue)
def __init__(self,
parent=None,
direction=Qt.LeftToRight,
node=None,
icon=None,
iconSize=None,
**args):
super().__init__(parent, **args)
self.setAcceptedMouseButtons(Qt.NoButton)
self.__direction = direction
self.setLayout(QGraphicsLinearLayout(Qt.Horizontal))
# Set the maximum size, otherwise the layout can't grow beyond its
# sizeHint (and we need it to grow so the widget can grow and keep the
# contents centered vertically.
self.layout().setMaximumSize(QSizeF(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX))
self.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.__iconSize = iconSize or QSize(64, 64)
self.__icon = icon
self.__iconItem = QGraphicsPixmapItem(self)
self.__iconLayoutItem = GraphicsItemLayoutItem(item=self.__iconItem)
self.__channelLayout = QGraphicsGridLayout()
self.channelAnchors = []
if self.__direction == Qt.LeftToRight:
self.layout().addItem(self.__iconLayoutItem)
self.layout().addItem(self.__channelLayout)
channel_alignemnt = Qt.AlignRight
else:
self.layout().addItem(self.__channelLayout)
self.layout().addItem(self.__iconLayoutItem)
channel_alignemnt = Qt.AlignLeft
self.layout().setAlignment(self.__iconLayoutItem, Qt.AlignCenter)
self.layout().setAlignment(self.__channelLayout,
Qt.AlignVCenter | channel_alignemnt)
self.node: Optional[SchemeNode] = None
self.channels: Union[List[InputSignal], List[OutputSignal]] = []
if node is not None:
self.setSchemeNode(node)
def __init__(self, master, *args):
QGraphicsView.__init__(self, *args)
self.master = master
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.setRenderHints(QPainter.Antialiasing)
scene = QGraphicsScene(self)
self.pixmapGraphicsItem = QGraphicsPixmapItem(None)
scene.addItem(self.pixmapGraphicsItem)
self.setScene(scene)
self.setMouseTracking(True)
self.viewport().setMouseTracking(True)
self.setFocusPolicy(Qt.WheelFocus)
