feat: fix socket connections

src/gui/network/FloatingEdgeGraphic.cpp

@@ -35,7 +35,6 @@ void FloatingEdgeGraphic::paint(QPainter *painter, const QStyleOptionGraphicsIte
     QPointF pos1 = socket1_->getIO()==enzo::nt::SocketIOType::Input ? socket1_->scenePos() : floatPos_;
     QPointF pos2 = socket1_->getIO()==enzo::nt::SocketIOType::Input ? floatPos_ : socket1_->scenePos();
     float dist = std::sqrt(std::pow(pos1.x()-pos2.x(),2)+std::pow(pos1.y()-pos2.y(),2));
-    std::cout << "dist: " << dist << "\n";
     float cubicStrength = dist*0.5;
     cubicStrength = std::clamp(cubicStrength, 0.0f, 40.0f);
     QPainterPath path;

src/gui/network/Network.cpp

@@ -97,7 +97,12 @@ void Network::leftMousePressed(QMouseEvent *event)
     // socket logic
     else if(clickedSocket)
     {
-        socketClicked(static_cast<SocketGraphic*>(clickedSocket), event);
+        // find closest socket
+        clickedSocket = closestItemOfType<SocketGraphic>(clickedItems, view_->mapToScene(event->pos()));
+        if(clickedSocket)
+        {
+            socketClicked(static_cast<SocketGraphic*>(clickedSocket), event);
+        }
     }
     // floating edge
     else if(floatingEdge_)
@@ -202,7 +207,14 @@ void Network::mouseMoved(QMouseEvent *event)
 
     if(floatingEdge_)
     {
-        if(QGraphicsItem* hoverSocket = itemOfType<SocketGraphic>(hoverItems); hoverSocket && hoverSocket!=startSocket_)
+        if(
+            SocketGraphic* hoverSocket = static_cast<SocketGraphic*>(closestItemOfType<SocketGraphic>(hoverItems, view_->mapToScene(event->pos())));
+            hoverSocket &&
+            hoverSocket!=startSocket_ &&
+            hoverSocket->getIO()!=startSocket_->getIO() &&
+            hoverSocket->getOpId()!=startSocket_->getOpId()
+            
+        )
         {
             floatingEdge_->setFloatPos(hoverSocket->scenePos());
         }
@@ -363,7 +375,11 @@ void Network::mouseReleaseEvent(QMouseEvent *event)
         }
         else if(floatingEdge_ && hoverSocket)
         {
-            socketClicked(static_cast<SocketGraphic*>(hoverSocket), event);
+            hoverSocket = closestItemOfType<SocketGraphic>(hoverItems, view_->mapToScene(event->pos()));
+            if(hoverSocket)
+            {
+                socketClicked(static_cast<SocketGraphic*>(hoverSocket), event);
+            }
         }
     }
 }

src/gui/network/Network.h

@@ -1,7 +1,9 @@
 #pragma once
 #include <QWidget>
+#include <iterator>
 #include <memory>
 #include <qgraphicsitem.h>
+#include <qpoint.h>
 #include <typeinfo>
 #include "Engine/Network/NetworkManager.h"
 #include "Engine/Types.h"
@@ -82,6 +84,39 @@ private:
         return nullptr;
     }
 
+    template<typename T>
+    QGraphicsItem* closestItemOfType(QList<QGraphicsItem*> items, QPointF centerPos)
+    {
+        std::vector <QGraphicsItem*> filteredItems;
+        for(QGraphicsItem* item : items)
+        {
+            if(item && typeid(*item)==typeid(T))
+            {
+                filteredItems.push_back(item);
+            }
+        }
+
+        if(filteredItems.size()==0) return nullptr;
+        if(filteredItems.size()==1) return filteredItems.at(0);
+
+        QGraphicsItem* closestItem=filteredItems.at(0);
+        float closestDist=QLineF(closestItem->scenePos(), centerPos).length();
+
+        for(size_t i=1; i<filteredItems.size(); ++i)
+        {
+            QGraphicsItem* item = filteredItems.at(i);
+            auto currentDist = QLineF(item->scenePos(), centerPos).length();
+            if(currentDist < closestDist)
+            {
+                closestItem = item;
+                closestDist = currentDist;
+            }
+
+        }
+
+        return closestItem;
+    }
+
 protected:
     void resizeEvent(QResizeEvent *event) override;
     void mouseReleaseEvent(QMouseEvent *event) override;