def mouseMoveEvent(self, event: QGraphicsSceneMouseEvent):
super(QGraphicsBlockItem, self).mouseMoveEvent(event)
self.setPos(event.scenePos() - event.buttonDownPos(Qt.MouseButton.LeftButton))
self.c, self.cS = self.closestItem()
imgPosibleConnectH = self.scene().imgPosibleConnectH
imgPosibleConnectV = self.scene().imgPosibleConnectV
if self.c is not None:
if self.c.type is ConnectionType.TOP:
imgPosibleConnectH.setPos(self.c.parent.pos())
imgPosibleConnectH.setVisible(True)
imgPosibleConnectH.setZValue(1)
elif self.c.type is ConnectionType.BOTTOM:
imgPosibleConnectH.setPos(self.c.parent.pos() + QPointF(0, self.c.parent.pixmap().height() - 5))
imgPosibleConnectH.setVisible(True)
imgPosibleConnectH.setZValue(1)
elif self.c.type is ConnectionType.RIGHT:
imgPosibleConnectV.setPos(
self.c.parent.pos() + QPointF(self.c.parent.pixmap().width() - 5, 0) + QPointF(0, 5))
imgPosibleConnectV.setVisible(True)
imgPosibleConnectV.setZValue(1)
elif self.c.type is ConnectionType.LEFT:
imgPosibleConnectV.setPos(self.c.parent.pos() + QPointF(0, 5))
imgPosibleConnectV.setVisible(True)
imgPosibleConnectV.setZValue(1)
elif self.c.type is ConnectionType.BOTTOMIN:
imgPosibleConnectH.setPos(self.c.parent.pos() + QPointF(16, 38))
imgPosibleConnectH.setVisible(True)
imgPosibleConnectH.setZValue(1)
else:
imgPosibleConnectH.setVisible(False)
imgPosibleConnectV.setVisible(False)
def mouseMoveEvent(self, event: QGraphicsSceneMouseEvent):
box = QRectF(self.buttonDownRect)
pos = event.pos()
offset = pos - event.buttonDownPos(Qt.LeftButton)
if self.handleSelected is None:
box.translate(offset)
new_box = box
elif self.handleSelected == 0:
pos = box.topLeft() + offset
new_size = box.bottomRight() - pos
width = max(new_size.x(), 0)
height = max(new_size.y(), 0)
left = min(pos.x(), box.right())
top = min(pos.y(), box.bottom())
new_box = QRectF(left, top, width, height)
elif self.handleSelected == 1:
pos = box.topLeft() + offset
height = max(box.bottom() - pos.y(), 0)
top = min(pos.y(), box.bottom())
new_box = QRectF(box.left(), top, box.width(), height)
elif self.handleSelected == 2:
pos = box.topRight() + offset
top = min(pos.y(), box.bottom())
width = max(pos.x() - box.left(), 0)
height = max(box.bottom() - pos.y(), 0)
new_box = QRectF(box.left(), top, width, height)
elif self.handleSelected == 3:
pos = box.topRight() + offset
width = max(pos.x() - box.left(), 0)
new_box = QRectF(box.left(), box.top(), width, box.height())
elif self.handleSelected == 4:
pos = box.bottomRight() + offset
new_size = pos - box.topLeft()
width = max(new_size.x(), 0)
height = max(new_size.y(), 0)
new_box = QRectF(box.left(), box.top(), width, height)
elif self.handleSelected == 5:
pos = box.bottomRight() + offset
height = max(pos.y() - box.top(), 0)
new_box = QRectF(box.left(), box.top(), box.width(), height)
elif self.handleSelected == 6:
pos = box.bottomLeft() + offset
left = min(pos.x(), box.right())
width = max(box.right() - pos.x(), 0)
height = max(pos.y() - box.top(), 0)
new_box = QRectF(left, box.top(), width, height)
elif self.handleSelected == 7:
pos = box.bottomLeft() + offset
left = min(pos.x(), box.right())
width = max(box.right() - pos.x(), 0)
new_box = QRectF(left, box.top(), width, box.height())
new_box = QRectF(round(new_box.left()), round(new_box.top()),
round(new_box.width()), round(new_box.height()))
self.setRect(new_box)
self.setHandlesPos()
self.signalHandler.boxChanged.emit(self.tabIndex, self.rowIndex,
new_box)