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nodeeditor/src/ConnectionGeometry.cpp at master · BehaviorTree/nodeeditor · GitHub
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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 =
QRectF
(_out, _in).
normalized
();
QRectF c1c2Rect =
QRectF
(points.
first
, points.
second
).
normalized
();
auto
const
&connectionStyle =
StyleCollection::connectionStyle
();
float
const
diam = connectionStyle.
pointDiameter
();
QRectF commonRect = basicRect.
united
(c1c2Rect);
QPointF
const
cornerOffset
(diam, diam);
commonRect.
setTopLeft
(commonRect.
topLeft
() - cornerOffset);
commonRect.
setBottomRight
(commonRect.
bottomRight
() +
2
* cornerOffset);
return
commonRect;
}
std::pair<QPointF, QPointF>
ConnectionGeometry::
pointsC1C2
()
const
{
const
double
defaultOffset =
200
;
double
xDistance = _in.
x
() - _out.
x
();
double
horizontalOffset =
qMin
(defaultOffset,
std::abs
(xDistance));
double
verticalOffset =
0
;
double
ratioX =
0.5
;
if
(xDistance <=
0
)
{
double
yDistance = _in.
y
() - _out.
y
() +
20
;
double
vector = yDistance <
0
? -
1.0
:
1.0
;
verticalOffset =
qMin
(defaultOffset,
std::abs
(yDistance)) * vector;
ratioX =
1.0
;
}
horizontalOffset *= ratioX;
QPointF
c1
(_out.
x
() + horizontalOffset,
_out.
y
() + verticalOffset);
QPointF
c2
(_in.
x
() - horizontalOffset,
_in.
y
() - verticalOffset);
return
std::make_pair
(c1, c2);
}
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