def mousePressEvent(self, event):
if event.button() == Qt.LeftButton:
startItem = find_item_at(self.scene(),
event.pos(),
type=ChannelAnchor)
if startItem is not None:
# Start a connection line drag.
self.__dragStartItem = startItem
self.__tmpLine = None
event.accept()
return
lineItem = find_item_at(self.scene(),
event.scenePos(),
type=QGraphicsLineItem)
if lineItem is not None:
# Remove a connection under the mouse
for link in self.__links:
if link.lineItem == lineItem:
self.removeLink(link.output, link.input)
event.accept()
return
QGraphicsWidget.mousePressEvent(self, event)
def mousePressEvent(self, event):
if event.button() == Qt.RightButton:
pass
else:
QGraphicsWidget.mousePressEvent(self, event)
