def mouseMoveEvent(self, event: QGraphicsSceneMouseEvent):
"""
mouseMoveEvent
Parameters
----------
event : QGraphicsSceneMouseEvent
"""
geom = self._node.geometry
state = self._node.state
if state.resizing:
diff = event.pos() - event.lastPos()
w = self._node.model.embedded_widget()
if w:
self.prepareGeometryChange()
old_size = w.size() + QSize(diff.x(), diff.y())
w.setFixedSize(old_size)
old_size_f = QSizeF(old_size)
self._proxy_widget.setMinimumSize(old_size_f)
self._proxy_widget.setMaximumSize(old_size_f)
self._proxy_widget.setPos(geom.widget_position)
geom.recalculate_size()
self.update()
self.move_connections()
event.accept()
else:
super().mouseMoveEvent(event)
if event.lastPos() != event.pos():
self.move_connections()
event.ignore()
bounding = self.mapToScene(self.boundingRect()).boundingRect()
r = self.scene().sceneRect().united(bounding)
self.scene().setSceneRect(r)
def mouseMoveEvent(self, event: QGraphicsSceneMouseEvent):
"""
mouseMoveEvent
Parameters
----------
event : QGraphicsSceneMouseEvent
"""
self.prepareGeometryChange()
# view = event.widget()
# TODO/BUG: widget is returning QWidget(), not QGraphicsView...
view = self._scene.views()[0]
node = self._scene.locate_node_at(event.scenePos(), view.transform())
self._connection.interact_with_node(node)
state_required = self._connection.required_port
if node:
node.react_to_possible_connection(
state_required,
self._connection.data_type(opposite_port(state_required)),
event.scenePos()
)
# -------------------
offset = event.pos() - event.lastPos()
required_port = self._connection.required_port
if required_port != PortType.none:
self._geometry.move_end_point(required_port, offset)
# -------------------
self.update()
event.accept()