gui: network_view: add coloring edges for searched and selected nodes

didn't bother to check
edges repaints every now and again
commented out nevertheles

retroshare-gui/src/gui/elastic/edge.cpp

@@ -96,6 +96,12 @@ QRectF Edge::boundingRect() const
         .adjusted(-extra, -extra, extra, extra);
 }
 
+void Edge::setEdgeColor(QColor color)
+{
+	edgeColor = color;
+	update(boundingRect());
+}
+
 void Edge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
 {
     if (!source || !dest)
@@ -103,7 +109,7 @@ void Edge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
 
     // Draw the line itself
     QLineF line(sourcePoint, destPoint);
-    painter->setPen(QPen(Qt::black, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
+    painter->setPen(QPen(edgeColor, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
     painter->drawLine(line);
 
 	 return ;

retroshare-gui/src/gui/elastic/edge.h

@@ -40,6 +40,7 @@ public:
     void setDestNode(Node *node);
 
     void adjust();
+    void setEdgeColor(QColor color);
 
     enum { Type = UserType + 2 };
     int type() const { return Type; }
@@ -54,6 +55,7 @@ private:
     QPointF sourcePoint;
     QPointF destPoint;
     qreal arrowSize;
+    QColor edgeColor = Qt::black;
 };
 
 #endif

retroshare-gui/src/gui/elastic/elnode.cpp

@@ -251,23 +251,48 @@ static QColor lightdark(const QColor& col,int l,int d)
 void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
 {
 	static QColor type_color[4] = { QColor(Qt::yellow), QColor(Qt::green), QColor(Qt::cyan), QColor(Qt::black) } ;
+	// QColor default_edge = Qt::black;
+	// QColor searched_node_edge = Qt::magenta;
+	// QColor selected_node_edge = Qt::green;
 
 	QColor col0 ;
 
+	// selected_node = clicked on with left mouse button
 	if(_selected_node == NULL)
+	{
 		col0 = type_color[_type] ;
+
+		/* if (sought_for) // this node
+		{
+			// repaint edge
+			for (QList<Edge*>::const_iterator it(edgeList.begin()); it != edgeList.end(); ++it)
+				(*it)->setEdgeColor(searched_node_edge);
+		}
+		else
+		{
+			for (QList<Edge*>::const_iterator it(edgeList.begin()); it != edgeList.end(); ++it)
+				(*it)->setEdgeColor(default_edge);
+		} */
+	}
 	else if(_selected_node == this)
+	{
+		// for (QList<Edge*>::const_iterator it(edgeList.begin()); it != edgeList.end(); ++it)
+		// 	(*it)->setEdgeColor(selected_node_edge);
 		col0 = type_color[0] ;
+	}
+	// selected_node = some_other_node
 	else 
 	{
 		bool found = false ;
-		for(QList<Edge*>::const_iterator it(edgeList.begin());it!=edgeList.end();++it)
+		for (QList<Edge*>::const_iterator it(edgeList.begin()); it != edgeList.end(); ++it)
+		{
 			if( (*it)->sourceNode() == _selected_node || (*it)->destNode() == _selected_node)
 			{
 				col0 = type_color[1] ;
 				found = true ;
 				break ;
 			}
+		}
 
 		if(!found)
 			col0= type_color[2] ;

retroshare-gui/src/gui/elastic/elnode.h

@@ -65,7 +65,7 @@ public:
     QRectF boundingRect() const;
     QPainterPath shape() const;
 
-	void setNodeDrawSize(int nds){mNodeDrawSize = nds;}
+	void setNodeDrawSize(int nds, bool repaint_edges) {mNodeDrawSize = nds; sought_for=repaint_edges;}
 	int getNodeDrawSize(){return mNodeDrawSize;}
 
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
@@ -95,6 +95,7 @@ private:
 	 bool mDeterminedBB ;
 	 int mBBWidth ;
 	 int mNodeDrawSize;
+	 bool sought_for = false;
 
 	 static Node *_selected_node ;
 

retroshare-gui/src/gui/elastic/graphwidget.cpp

@@ -297,7 +297,7 @@ void GraphWidget::setNameSearch(QString s)
     
 	if (s.length() == 0){
 		for(uint32_t i=0;i<_nodes.size();++i)
-			_nodes[i]->setNodeDrawSize(12 * f);
+			_nodes[i]->setNodeDrawSize(12 * f, false);
 		forceRedraw();
 		return;
 	}
@@ -309,10 +309,10 @@ void GraphWidget::setNameSearch(QString s)
 
 		if (ns.find(qs) != std::string::npos) {
 			//std::cout << "found!" << '\n';
-			ni->setNodeDrawSize(22 * f);
+			ni->setNodeDrawSize(22 * f, true);
 			//std::cout << ni->getNodeDrawSize() << '\n';
 		} else {
-			ni->setNodeDrawSize(12 * f);
+			ni->setNodeDrawSize(12 * f, false);
 
 		}
 	}