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reimplemented edge connect/disconnect

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This commit is contained in:
itsmattkc
2021-11-12 11:51:13 -08:00
parent 3c6bc80c8f
commit 854ca0a7a9
7 changed files with 75 additions and 82 deletions
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app/widget/nodeview/nodeviewedge.cpp
+2 -21
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@@ -126,13 +126,6 @@ void NodeViewEdge::paint(QPainter *painter, const QStyleOptionGraphicsItem *opti
painter->setPen(QPen(edge_color, edge_width_));
painter->setBrush(Qt::NoBrush);
painter->drawPath(path());
// Draw arrow
if (!connected_) {
painter->setPen(Qt::NoPen);
painter->setBrush(edge_color);
painter->drawPolygon(arrow_);
}
}
void NodeViewEdge::Init()
@@ -149,7 +142,6 @@ void NodeViewEdge::Init()
// Use font metrics to set edge width for basic high DPI support
edge_width_ = QFontMetrics(QFont()).height() / 12;
arrow_size_ = QFontMetrics(QFont()).height() / 2;
}
void NodeViewEdge::UpdateCurve()
@@ -185,7 +177,7 @@ void NodeViewEdge::UpdateCurve()
path.cubicTo(cp1, cp2, end);
if (!qFuzzyCompare(start.x(), end.x())) {
double continue_x = end.x() - qCos(angle)*arrow_size_;
double continue_x = end.x() - qCos(angle);
double x1 = start.x();
double x2 = cp1.x();
@@ -215,18 +207,7 @@ void NodeViewEdge::UpdateCurve()
}
setPath(path);
const double arrow_angle = 150.0 * M_PI / 180.0;
QVector<QPointF> arrow_points(4);
arrow_points[0] = end;
arrow_points[1] = end + QPointF(qCos(angle + arrow_angle) * arrow_size_, qSin(angle + arrow_angle) * arrow_size_);
arrow_points[2] = end + QPointF(qCos(angle - arrow_angle) * arrow_size_, qSin(angle - arrow_angle) * arrow_size_);
arrow_points[3] = end;
arrow_ = QPolygonF(arrow_points);
arrow_bounding_rect_ = arrow_.boundingRect();
arrow_bounding_rect_.adjust(-arrow_size_, -arrow_size_, arrow_size_, arrow_size_);
setPath(mapFromScene(path));
}
}