def dispatchMouseEventToScene(self, event):
if event.type() == QEvent.MouseButtonPress:
newtype = QEvent.GraphicsSceneMousePress
elif event.type() == QEvent.MouseButtonRelease:
newtype = QEvent.GraphicsSceneMouseRelease
else:
raise ValueError('Unknown event type {}'.format(event.type()))
# pulled from QGraphicsView::mousePressEvent in the qt codebase:
mouseEvent = QGraphicsSceneMouseEvent(newtype)
mousePressViewPoint = event.pos()
mousePressScenePoint = self.mapToScene(mousePressViewPoint)
mousePressScreenPoint = event.globalPos()
lastMouseMoveScenePoint = mousePressScenePoint
lastMouseMoveScreenPoint = mousePressScreenPoint
mousePressButton = event.button()
#mouseEvent.setWidget(self.viewport()) # TODO figure out how to do this in python, or if it's really necessary
mouseEvent.setButtonDownScenePos(mousePressButton,
mousePressScenePoint)
mouseEvent.setButtonDownScreenPos(mousePressButton,
mousePressScreenPoint)
mouseEvent.setScenePos(mousePressScenePoint)
mouseEvent.setScreenPos(mousePressScreenPoint)
mouseEvent.setLastScenePos(lastMouseMoveScenePoint)
mouseEvent.setLastScreenPos(lastMouseMoveScreenPoint)
mouseEvent.setButtons(event.buttons())
mouseEvent.setButton(event.button())
mouseEvent.setModifiers(event.modifiers())
mouseEvent.setSource(event.source())
mouseEvent.setFlags(event.flags())
mouseEvent.setAccepted(False)
QApplication.sendEvent(self.scene(), mouseEvent)
return mouseEvent
def mouseDoubleClickEvent(self, event):
if self.textInteractionFlags() == Qt.TextEditorInteraction:
super(CustomQGraphicsTextItem, self).mouseDoubleClickEvent(event)
return
self.setTextInteractionFlags(Qt.TextEditorInteraction)
self.setFocus(Qt.MouseFocusReason)
click = QGraphicsSceneMouseEvent(QEvent.GraphicsSceneMousePress)
click.setButton(event.button())
click.setPos(event.pos())
self.mousePressEvent(click)