feat: socket hover colors

src/gui/network/FloatingEdgeGraphic.cpp

@@ -21,7 +21,6 @@ void FloatingEdgeGraphic::paint(QPainter *painter, const QStyleOptionGraphicsIte
 {
     // auto pen = QPen("white");
 
-    std::cout << "draw\n";
     QLinearGradient gradient(socket1_->scenePos(), floatPos_);
     gradient.setColorAt(0.0, QColor(255, 255, 255, 255));
     gradient.setColorAt(1.0, QColor(255, 255, 255, 50));
@@ -35,7 +34,6 @@ void FloatingEdgeGraphic::paint(QPainter *painter, const QStyleOptionGraphicsIte
 }
 
 void FloatingEdgeGraphic::setFloatPos(QPointF floatPos) {
-    std::cout << "moving" << floatPos.x() << " " << floatPos.y() << "\n";
     prepareGeometryChange();
     floatPos_ = floatPos;
     update();

src/gui/network/SocketGraphic.cpp

@@ -6,7 +6,10 @@
 SocketGraphic::SocketGraphic(QGraphicsItem *parent)
 : QGraphicsItem(parent)
 {
+    brushActive_ = QBrush("white");
+    brushInactive_ = QBrush("#9f9f9f");
     socketSize_ = 3;
+    setAcceptHoverEvents(true);
 }
 
 QRectF SocketGraphic::boundingRect() const
@@ -18,11 +21,21 @@ QRectF SocketGraphic::boundingRect() const
 
 void SocketGraphic::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 {
-    QBrush whiteBrush = QBrush("white");
     painter->setPen(Qt::NoPen);
-    painter->setBrush(whiteBrush);
+    painter->setBrush(hovered_ ? brushActive_ : brushInactive_);
     painter->drawEllipse(QPoint(0,0), socketSize_, socketSize_);
  
 }
 
+void SocketGraphic::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+    hovered_ = true;
+    update();
+}
 
+
+void SocketGraphic::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+    hovered_ = false;
+    update();
+}

src/gui/network/SocketGraphic.h

@@ -13,5 +13,11 @@ public:
 
 private:
     int socketSize_ = 1;
+    QBrush brushInactive_;
+    QBrush brushActive_;
+    bool hovered_=false;
+protected:
+    void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
 };