def draw_connection_line(painter, x1, y1, x2, y2, h1, h2):
# Account for list view headers.
y1 += h1
y2 += h2
# Invisible output ports don't get a connecting dot.
if y1 > h1:
painter.drawLine(x1, y1, x1 + 4, y1)
# Setup control points
spline = QPolygon(4)
cp = int((x2 - x1 - 8) * 0.4)
spline.setPoints(x1 + 4, y1, x1 + 4 + cp, y1, x2 - 4 - cp, y2, x2 - 4,
y2)
# The connection line
path = QPainterPath()
path.moveTo(spline.at(0))
path.cubicTo(spline.at(1), spline.at(2), spline.at(3))
painter.strokePath(path, painter.pen())
# painter.drawLine(x1 + 4, y1, x2 - 4, y2)
# Invisible input ports don't get a connecting dot.
if y2 > h2:
painter.drawLine(x2 - 4, y2, x2, y2)
def draw_connection_line(self, painter, x1, y1, x2, y2, h1, h2):
# Account for list view headers.
y1 += h1
y2 += h2
# Invisible output ports don't get a connecting dot.
if y1 > h1:
painter.drawLine(x1, y1, x1 + 4, y1)
# Setup control points
spline = QPolygon(4)
cp = int((x2 - x1 - 8) * 0.4)
spline.setPoints(x1 + 4, y1,
x1 + 4 + cp, y1,
x2 - 4 - cp, y2,
x2 - 4, y2)
# The connection line
path = QPainterPath()
path.moveTo(spline.at(0))
path.cubicTo(spline.at(1), spline.at(2), spline.at(3))
painter.strokePath(path, painter.pen())
# painter.drawLine(x1 + 4, y1, x2 - 4, y2)
# Invisible input ports don't get a connecting dot.
if y2 > h2:
painter.drawLine(x2 - 4, y2, x2, y2)
