feat: floating edge cubic bezier, additional memory guards

src/gui/network/Network.cpp

@@ -76,16 +76,17 @@ void Network::resizeEvent(QResizeEvent *event)
 void Network::deleteEdge(QGraphicsItem* edge)
 {
     std::cout << "----\ndeleting edge\n";
+    if(!edge) return;
     if(prevHoverItem_==edge)
     {
         prevHoverItem_=nullptr;
     }
-    scene_->removeItem(edge);
-    scene_->update();
-    view_->update();
+    // scene_->removeItem(edge);
+    // scene_->update();
+    // view_->update();
     // NOTE: deleting edge kept giving me segmentation faults
     // I coundn't figure it out so I'm just leaving it for now
-    // delete edge;
+    delete edge;
     std::cout << "finished deleting edge\n----\n";
 }