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 mousePressEvent(self, event: QGraphicsSceneMouseEvent):
movingItem = self.itemAt(event.scenePos(), self.view.transform())
if movingItem is None and event.button() is Qt.MouseButton.RightButton:
self.popMenu.exec_(event.screenPos())
if movingItem is not None and event.button(
) is Qt.MouseButton.LeftButton:
self.oldPos = movingItem.pos()
self.clearSelection()
super(Scene, self).mousePressEvent(event)
def mousePressEvent(self, event: QGraphicsSceneMouseEvent):
if self.isEnabled():
self.setZValue(1)
if event.button() is Qt.MouseButton.LeftButton:
pass
# self.posmouseinItem = event.scenePos() - self.pos()
# items = self.scene().selectedItems()
# if self not in items:
# self.scene().clearSelection()
# if self.DialogVar is not None:
# self.DialogVar.close()
if event.button() is Qt.MouseButton.RightButton:
self.popMenu.exec_(event.screenPos())
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()