feat: add node edges

src/gui/network/NodeGraphic.h

@@ -1,29 +1,39 @@
 #pragma once
 #include <QGraphicsItem>
 #include <QPainter>
+#include "gui/network/SocketGraphic.h"
+#include "gui/network/NodeEdgeGraphic.h"
+#include <iostream>
 
 class NodeGraphic
 : public QGraphicsItem
 {
 public:
     NodeGraphic(QGraphicsItem *parent = nullptr);
-    QRectF boundingRect() const override
-    {
-        qreal penWidth = 6;
-        return QRectF(-10 - penWidth / 2, -10 - penWidth / 2,
-                      20 + penWidth, 20 + penWidth);
-    }
+    QRectF boundingRect() const override;
+    
+    SocketGraphic* getInput(int indx) const;
+    SocketGraphic* getOutput(int indx) const;
+
+    void addEdge(NodeEdgeGraphic* edge);
+
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
+
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override
-    {
-        QPen greenPen = QPen(Qt::green);
-        greenPen.setWidth(6);
-        painter->setPen(greenPen);
 
-        painter->drawRoundedRect(-10, -10, 20, 20, 5, 5);
-    }
 
 private:
-    QGraphicsTextItem* title_;
+    void initSockets();
+    std::vector<SocketGraphic*> inputs_;
+    std::vector<SocketGraphic*> outputs_;
+
+    std::vector<NodeEdgeGraphic*> edges_;
+
+    std::string title_="";
+    int maxTitleLen_=10;
+    QRectF bodyRect_;
+    int socketSize_ = 1;
+    int inputSocketCnt_=0;
+    int outputSocketCnt_=0;
 };