def hoverLeaveEvent(self, event: QGraphicsSceneHoverEvent):
"""
hoverLeaveEvent
Parameters
----------
event : QGraphicsSceneHoverEvent
"""
self._node.geometry.hovered = False
self.update()
self._scene.node_hover_left.emit(self._node)
event.accept()
def hoverEnterEvent(self, event: QGraphicsSceneHoverEvent):
"""
hoverEnterEvent
Parameters
----------
event : QGraphicsSceneHoverEvent
"""
self._geometry.hovered = True
self.update()
self._scene.connection_hovered.emit(self.connection, event.screenPos())
event.accept()
def hoverMoveEvent(self, event: QGraphicsSceneHoverEvent):
"""
hoverMoveEvent
Parameters
----------
q_graphics_scene_hover_event : QGraphicsSceneHoverEvent
"""
pos = event.pos()
geom = self._node.geometry
if (self._node.model.resizable()
and geom.resize_rect.contains(QPoint(pos.x(), pos.y()))):
self.setCursor(QCursor(Qt.SizeFDiagCursor))
else:
self.setCursor(QCursor())
event.accept()
def hoverEnterEvent(self, event: QGraphicsSceneHoverEvent):
"""
hoverEnterEvent
Parameters
----------
event : QGraphicsSceneHoverEvent
"""
# void
# bring all the colliding nodes to background
overlap_items = self.collidingItems()
for item in overlap_items:
if item.zValue() > 0.0:
item.setZValue(0.0)
# bring self node forward
self.setZValue(1.0)
self._node.geometry.hovered = True
self.update()
self._scene.node_hovered.emit(self._node, event.screenPos())
event.accept()