def mouseDoubleClickEvent(
self, event: QtWidgets.QGraphicsSceneMouseEvent) -> None:
"""Intercept events and pass to overlay."""
view_pos = event.widget().mapFromGlobal(event.screenPos())
for item in self.overlayitems:
if item.contains(view_pos, event.widget().rect()):
item.item.mouseDoubleClickEvent(event)
def mouseMoveEvent(self, event: QGraphicsSceneMouseEvent):
if (QLineF(event.screenPos(), event.buttonDownScreenPos(
Qt.LeftButton)).length() < QApplication.startDragDistance()):
return
self.parentItem().edgeDragStart()
package = QMimeData()
package.setData(self.DragMimeType, bytes())
drag = QDrag(event.widget())
drag.setMimeData(package)
drag.exec_()
self.parentItem().edgeDragStop()