def _setup_inputs(self):
for inp in self._inputs:
self.scene().removeItem(inp[0])
self.scene().removeItem(inp[1])
self._inputs = list()
n = self.desc.num_inputs
for i in range(n):
pos = _pin_pos(self.rect(), 0, (2 * i + 1) / (n * 2))
pin = Pin(self, self.desc.get_pin(f'in{i}'))
pin.setPos(pos)
pen = QPen(Qt.black, 2, c=Qt.RoundCap)
r = self.rect()
yy = r.height() * (2 * i + 1) / (n * 2)
ext = QGraphicsLineItem(pos.x() + Pin._SIZE.width() / 2,
pos.y() + Pin._SIZE.height() / 2,
r.width() / 3,
pos.y() + Pin._SIZE.height() / 2, self)
ext.setPen(pen)
ext.setFlag(QGraphicsItem.ItemStacksBehindParent)
self._inputs.append((pin, ext))
def __init__(self, simulator, desc):
super().__init__(simulator, desc)
self.setRect(QRectF(QPoint(), self._SIZE))
self._inputs = list()
r = self.rect()
pin = Pin(self, desc.get_pin('out'))
pin.setPos(_pin_pos(self.rect(), 1, 0.5))
pin.setZValue(1)
pen = QPen(Qt.black, 2, c=Qt.RoundCap)
ext1 = QGraphicsLineItem(r.right() + _EXT_LENGTH,
r.height() / 2, r.right(),
r.height() / 2, self)
ext1.setPen(pen)
ext1.setFlag(QGraphicsItem.ItemStacksBehindParent)
self._setup_inputs()