def __updateText(self):
self.prepareGeometryChange()
self.__boundingRect = None
if self.__sourceName or self.__sinkName:
if self.__sourceName != self.__sinkName:
text = "{0} \u2192 {1}".format(self.__sourceName,
self.__sinkName)
else:
# If the names are the same show only one.
# Is this right? If the sink has two input channels of the
# same type having the name on the link help elucidate
# the scheme.
text = self.__sourceName
else:
text = ""
self.linkTextItem.setPlainText(text)
path = self.curveItem.curvePath()
if not path.isEmpty():
center = path.pointAtPercent(0.5)
angle = path.angleAtPercent(0.5)
brect = self.linkTextItem.boundingRect()
transform = QTransform()
transform.translate(center.x(), center.y())
transform.rotate(-angle)
# Center and move above the curve path.
transform.translate(-brect.width() / 2, -brect.height())
self.linkTextItem.setTransform(transform)
def __updateText(self):
self.prepareGeometryChange()
self.__boundingRect = None
if self.__sourceName or self.__sinkName:
if self.__sourceName != self.__sinkName:
text = "{0} \u2192 {1}".format(self.__sourceName,
self.__sinkName)
else:
# If the names are the same show only one.
# Is this right? If the sink has two input channels of the
# same type having the name on the link help elucidate
# the scheme.
text = self.__sourceName
else:
text = ""
self.linkTextItem.setPlainText(text)
path = self.curveItem.curvePath()
if not path.isEmpty():
center = path.pointAtPercent(0.5)
angle = path.angleAtPercent(0.5)
brect = self.linkTextItem.boundingRect()
transform = QTransform()
transform.translate(center.x(), center.y())
transform.rotate(-angle)
# Center and move above the curve path.
transform.translate(-brect.width() / 2, -brect.height())
self.linkTextItem.setTransform(transform)
def __updateText(self):
# type: () -> None
self.prepareGeometryChange()
self.__boundingRect = None
if self.__sourceName or self.__sinkName:
if self.__sourceName != self.__sinkName:
text = ("<nobr>{0}</nobr> \u2192 <nobr>{1}</nobr>"
.format(escape(self.__sourceName),
escape(self.__sinkName)))
else:
# If the names are the same show only one.
# Is this right? If the sink has two input channels of the
# same type having the name on the link help elucidate
# the scheme.
text = escape(self.__sourceName)
else:
text = ""
self.linkTextItem.setHtml('<div align="center">{0}</div>'
.format(text))
path = self.curveItem.curvePath()
# Constrain the text width if it is too long to fit on a single line
# between the two ends
if not path.isEmpty():
# Use the distance between the start/end points as a measure of
# available space
diff = path.pointAtPercent(0.0) - path.pointAtPercent(1.0)
available_width = math.sqrt(diff.x() ** 2 + diff.y() ** 2)
# Get the ideal text width if it was unconstrained
doc = self.linkTextItem.document().clone(self)
doc.setTextWidth(-1)
idealwidth = doc.idealWidth()
doc.deleteLater()
# Constrain the text width but not below a certain min width
minwidth = 100
textwidth = max(minwidth, min(available_width, idealwidth))
self.linkTextItem.setTextWidth(textwidth)
else:
# Reset the fixed width
self.linkTextItem.setTextWidth(-1)
if not path.isEmpty():
center = path.pointAtPercent(0.5)
angle = path.angleAtPercent(0.5)
brect = self.linkTextItem.boundingRect()
transform = QTransform()
transform.translate(center.x(), center.y())
transform.rotate(-angle)
# Center and move above the curve path.
transform.translate(-brect.width() / 2, -brect.height())
self.linkTextItem.setTransform(transform)
def __updateText(self):
self.prepareGeometryChange()
self.__boundingRect = None
if self.__sourceName or self.__sinkName:
if self.__sourceName != self.__sinkName:
text = ("<nobr>{0}</nobr> \u2192 <nobr>{1}</nobr>"
.format(escape(self.__sourceName),
escape(self.__sinkName)))
else:
# If the names are the same show only one.
# Is this right? If the sink has two input channels of the
# same type having the name on the link help elucidate
# the scheme.
text = escape(self.__sourceName)
else:
text = ""
self.linkTextItem.setHtml('<div align="center">{0}</div>'
.format(text))
path = self.curveItem.curvePath()
# Constrain the text width if it is too long to fit on a single line
# between the two ends
if not path.isEmpty():
# Use the distance between the start/end points as a measure of
# available space
diff = path.pointAtPercent(0.0) - path.pointAtPercent(1.0)
available_width = math.sqrt(diff.x() ** 2 + diff.y() ** 2)
# Get the ideal text width if it was unconstrained
doc = self.linkTextItem.document().clone(self)
doc.setTextWidth(-1)
idealwidth = doc.idealWidth()
doc.deleteLater()
# Constrain the text width but not below a certain min width
minwidth = 100
textwidth = max(minwidth, min(available_width, idealwidth))
self.linkTextItem.setTextWidth(textwidth)
else:
# Reset the fixed width
self.linkTextItem.setTextWidth(-1)
if not path.isEmpty():
center = path.pointAtPercent(0.5)
angle = path.angleAtPercent(0.5)
brect = self.linkTextItem.boundingRect()
transform = QTransform()
transform.translate(center.x(), center.y())
transform.rotate(-angle)
# Center and move above the curve path.
transform.translate(-brect.width() / 2, -brect.height())
self.linkTextItem.setTransform(transform)
def __init__(self, *args, **kwargs):
QDockWidget.__init__(self, *args, **kwargs)
self.__expandedWidget = None
self.__collapsedWidget = None
self.__expanded = True
self.__trueMinimumWidth = -1
self.setFeatures(QDockWidget.DockWidgetClosable | \
QDockWidget.DockWidgetMovable)
self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
self.featuresChanged.connect(self.__onFeaturesChanged)
self.dockLocationChanged.connect(self.__onDockLocationChanged)
# Use the toolbar horizontal extension button icon as the default
# for the expand/collapse button
pm = self.style().standardPixmap(
QStyle.SP_ToolBarHorizontalExtensionButton
)
# Rotate the icon
transform = QTransform()
transform.rotate(180)
pm_rev = pm.transformed(transform)
self.__iconRight = QIcon(pm)
self.__iconLeft = QIcon(pm_rev)
close = self.findChild(QAbstractButton,
name="qt_dockwidget_closebutton")
close.installEventFilter(self)
self.__closeButton = close
self.__stack = AnimatedStackedWidget()
self.__stack.setSizePolicy(QSizePolicy.Fixed,
QSizePolicy.Expanding)
self.__stack.transitionStarted.connect(self.__onTransitionStarted)
self.__stack.transitionFinished.connect(self.__onTransitionFinished)
QDockWidget.setWidget(self, self.__stack)
self.__closeButton.setIcon(self.__iconLeft)
def _define_symbols():
"""
Add symbol ? to ScatterPlotItemSymbols,
reflect the triangle to point upwards
"""
symbols = pyqtgraph.graphicsItems.ScatterPlotItem.Symbols
path = QPainterPath()
path.addEllipse(QRectF(-0.35, -0.35, 0.7, 0.7))
path.moveTo(-0.5, 0.5)
path.lineTo(0.5, -0.5)
path.moveTo(-0.5, -0.5)
path.lineTo(0.5, 0.5)
symbols["?"] = path
tr = QTransform()
tr.rotate(180)
symbols['t'] = tr.map(symbols['t'])
def _define_symbols():
"""
Add symbol ? to ScatterPlotItemSymbols,
reflect the triangle to point upwards
"""
symbols = pyqtgraph.graphicsItems.ScatterPlotItem.Symbols
path = QPainterPath()
path.addEllipse(QRectF(-0.35, -0.35, 0.7, 0.7))
path.moveTo(-0.5, 0.5)
path.lineTo(0.5, -0.5)
path.moveTo(-0.5, -0.5)
path.lineTo(0.5, 0.5)
symbols["?"] = path
tr = QTransform()
tr.rotate(180)
symbols['t'] = tr.map(symbols['t'])
def __init__(self, *args, **kwargs):
QDockWidget.__init__(self, *args, **kwargs)
self.__expandedWidget = None
self.__collapsedWidget = None
self.__expanded = True
self.__trueMinimumWidth = -1
self.setFeatures(QDockWidget.DockWidgetClosable | \
QDockWidget.DockWidgetMovable)
self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
self.featuresChanged.connect(self.__onFeaturesChanged)
self.dockLocationChanged.connect(self.__onDockLocationChanged)
# Use the toolbar horizontal extension button icon as the default
# for the expand/collapse button
pm = self.style().standardPixmap(
QStyle.SP_ToolBarHorizontalExtensionButton)
# Rotate the icon
transform = QTransform()
transform.rotate(180)
pm_rev = pm.transformed(transform)
self.__iconRight = QIcon(pm)
self.__iconLeft = QIcon(pm_rev)
close = self.findChild(QAbstractButton,
name="qt_dockwidget_closebutton")
close.installEventFilter(self)
self.__closeButton = close
self.__stack = AnimatedStackedWidget()
self.__stack.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding)
self.__stack.transitionStarted.connect(self.__onTransitionStarted)
self.__stack.transitionFinished.connect(self.__onTransitionFinished)
QDockWidget.setWidget(self, self.__stack)
self.__closeButton.setIcon(self.__iconLeft)