ui: GraphView can set active tokenId on node clicked

By now the graph displays the active node, without neighbours or anything, and clicking a node sets the active token id to the clicked nodes id.

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src/app/qt/view/graphElements/QtGraphNode.cpp

@@ -5,7 +5,8 @@
 
 #include "qt/view/graphElements/QtGraphEdge.h"
 
-QtGraphNode::QtGraphNode(const Vec2i& position, const std::string& name)
+QtGraphNode::QtGraphNode(const Vec2i& position, const std::string& name, const Id tokenId)
+	: GraphNode(tokenId)
 {
 	this->setRect(0, 0, 100, 100);
 	this->setPos(position.x, position.y);
@@ -21,6 +22,11 @@ QtGraphNode::~QtGraphNode()
 {
 }
 
+std::string QtGraphNode::getName()
+{
+	return m_text->toPlainText().toStdString();
+}
+
 Vec2i QtGraphNode::getPosition()
 {
 	return Vec2i(this->scenePos().x(), this->scenePos().y());
@@ -53,6 +59,9 @@ void QtGraphNode::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
 	m_mouseOffset.x = event->pos().x();
 	m_mouseOffset.y = event->pos().y();
+
+	MessageActivateToken message(m_tokenId);
+	message.dispatch();
 }
 
 void QtGraphNode::mouseMoveEvent(QGraphicsSceneMouseEvent *event)