本文整理汇总了Python中PyQt5.QtWidgets.QGraphicsScene.mouseReleaseEvent方法的典型用法代码示例。如果您正苦于以下问题：Python QGraphicsScene.mouseReleaseEvent方法的具体用法？Python QGraphicsScene.mouseReleaseEvent怎么用？Python QGraphicsScene.mouseReleaseEvent使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtWidgets.QGraphicsScene的用法示例。
在下文中一共展示了QGraphicsScene.mouseReleaseEvent方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: mouseReleaseEvent
# 需要导入模块: from PyQt5.QtWidgets import QGraphicsScene [as 别名]
# 或者: from PyQt5.QtWidgets.QGraphicsScene import mouseReleaseEvent [as 别名]
def mouseReleaseEvent(self, qGraphicsSceneMouseEvent):
# if we were editing the state text next mouse release should disable text editing
# and should not add a new state or transition
if self.stateTextEditingStarted:
self.stateTextEditingStarted = False
QGraphicsScene.mouseReleaseEvent(self, qGraphicsSceneMouseEvent)
return
if self.operationType == OpType.ADDSTATE and qGraphicsSceneMouseEvent.button() == Qt.LeftButton:
selectedItems = self.items(qGraphicsSceneMouseEvent.scenePos())
if len(selectedItems) == 0:
sIndex = self.getStateIndex()
state = State(sIndex, 'state ' + str(sIndex), False, self.activeState)
state.setPos(qGraphicsSceneMouseEvent.scenePos().x(),
qGraphicsSceneMouseEvent.scenePos().y())
self.addStateItem(state.getGraphicsItem())
self.origin = None
elif self.operationType == OpType.ADDTRANSITION and qGraphicsSceneMouseEvent.button() == Qt.LeftButton:
selectedItems = self.items(qGraphicsSceneMouseEvent.scenePos())
if len(selectedItems) > 0:
# get the parent
item = self.getParentItem(selectedItems[0])
if isinstance(item, StateGraphicsItem):
if self.origin != None:
self.destination = item
tIndex = self.getTransitionIndex()
tran = Transition(tIndex, 'transition ' + str(tIndex),
self.origin.stateData, self.destination.stateData)
self.addTransitionItem(tran.getGraphicsItem())
self.origin = None
else:
self.origin = item
else:
self.origin = None
else:
self.origin = None
else:
if self.operationType == OpType.OPENAUTOMATA:
self.operationType = self.prevOperationType
QGraphicsScene.mouseReleaseEvent(self, qGraphicsSceneMouseEvent)