new node is created with empty string, when entering node editing mode, the cursor is to the end of the text

graphwidget.cpp

@@ -384,7 +384,7 @@ void GraphWidget::insertNode()
     QPointF pos(length * cos(angle), length * sin(angle));
 
     Node *node = new Node(this);
-    node->setHtml(QString("new node"));
+    node->setHtml(QString(""));
     m_scene->addItem(node);
     node->setPos(m_activeNode->sceneBoundingRect().center() +
                  pos -

node.cpp

@@ -226,6 +226,10 @@ void Node::setEditable(const bool &editable)
                 editable ?
                     Qt::TextEditable :
                     Qt::NoTextInteraction);
+
+    QTextCursor c = textCursor();
+    c.setPosition(c.document()->toPlainText().length());
+    setTextCursor(c);
 }
 
 void Node::keyPressEvent(QKeyEvent *event)