feat: add floating edge

src/gui/network/FloatingEdgeGraphic.cpp

@@ -0,0 +1,29 @@
+#include "gui/network/FloatingEdgeGraphic.h"
+#include <QTextDocument>
+#include "gui/network/SocketGraphic.h"
+#include <iostream>
+#include <qgraphicsitem.h>
+
+FloatingEdgeGraphic::FloatingEdgeGraphic(SocketGraphic* socket1, QGraphicsItem *parent)
+: QGraphicsItem(parent), socket1_{socket1}
+{
+    floatPos_ = socket1_->scenePos();
+    setZValue(-1);
+}
+
+QRectF FloatingEdgeGraphic::boundingRect() const
+{
+    // TODO: fix
+    auto boundRect = QRect(10,10,10,10);
+    return boundRect;
+}
+
+void FloatingEdgeGraphic::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+    painter->setPen(QPen("white"));
+    painter->drawLine(socket1_->scenePos(),floatPos_);
+ 
+}
+
+void FloatingEdgeGraphic::setFloatPos(QPointF floatPos) { floatPos_ = floatPos; }
+