def getEdge(self, pos):
topRectUpperLeft = self.mapFromItem(self,
self.boundingRect().topLeft())
topRectLowerRight = self.mapFromItem(self,
self.boundingRect().right(),
self.__resizeDistance * 0.25)
topRect = QtCore.QRectF(topRectUpperLeft, topRectLowerRight)
rightRectUpperLeft = self.mapFromItem(
self,
self.boundingRect().right() - self.__resizeDistance * 0.25, 0)
rightRectLowerRight = self.mapFromItem(
self,
self.boundingRect().bottomRight())
rightRect = QtCore.QRectF(rightRectUpperLeft, rightRectLowerRight)
bottomRectUpperLeft = self.mapFromItem(
self, 0,
self.boundingRect().bottom() - self.__resizeDistance * 0.25)
bottomRectLowerRight = self.mapFromItem(
self,
self.boundingRect().bottomRight())
bottomRect = QtCore.QRectF(bottomRectUpperLeft, bottomRectLowerRight)
leftRectUpperLeft = self.mapFromItem(self,
self.boundingRect().topLeft())
leftRectLowerRight = self.mapFromItem(
self,
self.boundingRect().left() + self.__resizeDistance * 0.25,
self.boundingRect().bottom())
leftRect = QtCore.QRectF(leftRectUpperLeft, leftRectLowerRight)
if topRect.contains(pos):
return -1 # Disabling the top resize by default.
elif rightRect.contains(pos):
return 1
elif bottomRect.contains(pos):
return 2
elif leftRect.contains(pos):
return 3
return -1
def boundingRect(self):
srcPoint = self.mapFromScene(
self.__srcPortCircle.centerInSceneCoords())
dstPoint = self.mapFromScene(
self.__dstPortCircle.centerInSceneCoords())
penWidth = self.__defaultPen.width()
return QtCore.QRectF(
min(srcPoint.x(), dstPoint.x()),
min(srcPoint.y(), dstPoint.y()),
abs(dstPoint.x() - srcPoint.x()),
abs(dstPoint.y() - srcPoint.y()),
).adjusted(-penWidth / 2, -penWidth / 2, +penWidth / 2, +penWidth / 2)
def getCorner(self, pos):
topLeft = self.mapFromItem(self, self.boundingRect().topLeft())
bottomRight = self.mapFromItem(self, self.boundingRect().bottomRight())
rect = QtCore.QRectF(topLeft, bottomRight)
if (rect.topLeft() - pos).manhattanLength() < self.__resizeDistance:
return 0
elif (rect.topRight() - pos).manhattanLength() < self.__resizeDistance:
return 1
elif (rect.bottomLeft() -
pos).manhattanLength() < self.__resizeDistance:
return 2
elif (rect.bottomRight() -
pos).manhattanLength() < self.__resizeDistance:
return 3
return -1