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nodeviewedge: use bezier curves instead of straight lines

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This commit is contained in:
itsmattkc
2020-02-26 01:07:53 +11:00
parent 785160b86b
commit 7e7ff49777
3 changed files with 50 additions and 37 deletions
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app/widget/nodeview/nodeviewitem.cpp
+7 -5
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@@ -332,11 +332,13 @@ void NodeViewItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
// (we use the current coordinates because a complex formula is used for the line's coords if the opposing
// node is collapsed, therefore it's easier to just retrieve it from line itself)
NodeViewEdge* existing_edge_ui = NodeView::EdgeToUIObject(scene(), edge);
QLineF existing_edge_line = existing_edge_ui->line();
if (existing_edge_ui->contains(existing_edge_line.p1())) {
dragging_edge_start_ = existing_edge_line.p1();
QPainterPath existing_edge_line = existing_edge_ui->path();
QPointF edge_start = existing_edge_line.pointAtPercent(0);
QPointF edge_end = existing_edge_line.pointAtPercent(1);
if (existing_edge_ui->contains(edge_start)) {
dragging_edge_start_ = edge_start;
} else {
dragging_edge_start_ = existing_edge_line.p2();
dragging_edge_start_ = edge_end;
}
@@ -429,7 +431,7 @@ void NodeViewItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
dragging_edge_->SetConnected(drag_dest_param_ != nullptr);
dragging_edge_->setLine(QLineF(dragging_edge_start_, end_point));
dragging_edge_->SetPoints(dragging_edge_start_, end_point);
return;
}