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Copy pathConnectionGeometry.cpp
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130 lines (96 loc) · 2.25 KB
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#include "ConnectionGeometry.hpp"
#include <cmath>
#include "StyleCollection.hpp"
using QtNodes::ConnectionGeometry;
using QtNodes::PortType;
ConnectionGeometry::
ConnectionGeometry()
: _in(0, 0)
, _out(0, 0)
//, _animationPhase(0)
, _lineWidth(3.0)
, _hovered(false)
{ }
QPointF const&
ConnectionGeometry::
getEndPoint(PortType portType) const
{
Q_ASSERT(portType != PortType::None);
return (portType == PortType::Out ?
_out :
_in);
}
void
ConnectionGeometry::
setEndPoint(PortType portType, QPointF const& point)
{
switch (portType)
{
case PortType::Out:
_out = point;
break;
case PortType::In:
_in = point;
break;
default:
break;
}
}
void
ConnectionGeometry::
moveEndPoint(PortType portType, QPointF const &offset)
{
switch (portType)
{
case PortType::Out:
_out += offset;
break;
case PortType::In:
_in += offset;
break;
default:
break;
}
}
QRectF
ConnectionGeometry::
boundingRect() const
{
auto points = pointsC1C2();
QRectF basicRect(_out, _in);
QRectF c1c2Rect(points.first, points.second);
auto const &connectionStyle =
StyleCollection::connectionStyle();
float const pointDiameter = connectionStyle.pointDiameter();
QMargins margins(pointDiameter,
pointDiameter,
pointDiameter,
pointDiameter);
return basicRect.united(c1c2Rect).marginsAdded(margins);
}
std::pair<QPointF, QPointF>
ConnectionGeometry::
pointsC1C2() const
{
double xDistance = _in.x() - _out.x();
//double yDistance = _in.y() - _out.y() - 100;
double defaultOffset = 200;
double minimum = qMin(defaultOffset, std::abs(xDistance));
double verticalOffset = 0;
double ratio1 = 0.5;
if (xDistance <= 0)
{
verticalOffset = -minimum;
ratio1 = 1.0;
}
//double verticalOffset2 = verticalOffset;
//if (xDistance <= 0)
//verticalOffset2 = qMin(defaultOffset, std::abs(yDistance));
//auto sign = [](double d) { return d > 0.0 ? +1.0 : -1.0; };
//verticalOffset2 = 0.0;
QPointF c1(_out.x() + minimum * ratio1,
_out.y() + verticalOffset);
QPointF c2(_in.x() - minimum * ratio1,
_in.y() + verticalOffset);
return std::make_pair(c1, c2);
}