def helpEvent(self, event: QGraphicsSceneHelpEvent):
idx = self.indexAt(self.mapFromScene(event.scenePos()))
if idx is not None:
rect = self.__textitems[idx].sceneBoundingRect()
viewport = event.widget()
view = viewport.parentWidget()
rect = view.mapFromScene(rect).boundingRect()
QToolTip.showText(event.screenPos(), self.__items[idx],
view, rect)
event.setAccepted(True)
def help_event(self, ev: QGraphicsSceneHelpEvent) -> bool:
if self.marg_prob_item is None:
return False
index = self.__get_index_at(
self.marg_prob_item.mapFromScene(ev.scenePos()))
if index is not None:
QToolTip.showText(ev.screenPos(), self.labels[index], widget=self)
return True
return False
def graphicsscene_help_event(scene: QGraphicsScene,
event: QGraphicsSceneHelpEvent) -> None:
"""
Send the help event to every graphics item that is under the `event`
scene position.
"""
widget = event.widget()
if widget is not None and isinstance(widget.parentWidget(), QGraphicsView):
view = widget.parentWidget()
deviceTransform = view.viewportTransform()
else:
deviceTransform = QTransform()
items = scene.items(
event.scenePos(),
Qt.IntersectsItemShape,
Qt.DescendingOrder,
deviceTransform,
)
text = ""
event.setAccepted(False)
for item in items:
scene.sendEvent(item, event)
if event.isAccepted():
return
elif item.toolTip():
text = item.toolTip()
break
QToolTip.showText(event.screenPos(), text, event.widget())
event.setAccepted(bool(text))
def help_event(self, ev: QGraphicsSceneHelpEvent):
if self.bar_item is None:
return False
index = self.__get_index_at(self.bar_item.mapFromScene(ev.scenePos()))
text = ""
if index is not None:
text = self.master.get_tooltip(index)
if text:
QToolTip.showText(ev.screenPos(), text, widget=self)
return True
else:
return False
def helpEvent(self, event: QGraphicsSceneHelpEvent):
pos = self.mapFromScene(event.scenePos())
item = self.__itemDataAtPos(pos)
if item is None:
return
data, index, rect = item
if data.rownames is None:
return
ttip = data.rownames[index]
if ttip:
view = event.widget().parentWidget()
rect = view.mapFromScene(self.mapToScene(rect)).boundingRect()
show_tool_tip(event.screenPos(), ttip, event.widget(), rect)
event.setAccepted(True)