node losts focus during editing mode, jet remaining in editing mode bugfix

graphwidget.cpp

@@ -220,15 +220,12 @@ void GraphWidget::insertPicture(const QString &picture)
 
 void GraphWidget::keyPressEvent(QKeyEvent *event)
 {
-    // esc leaves node editing mode
-    if (event->key() == Qt::Key_Escape && m_editingNode)
+    if (event->key() == Qt::Key_Escape)
     {
-        m_activeNode->setEditable(false);
-        m_editingNode = false;
+        nodeLostFocus();
         return;
     }
-    // in node editing mode forward every key (except esc) to node
-    else if (m_editingNode)
+    if (m_editingNode)
     {
         m_activeNode->keyPressEvent(event);
         return;
@@ -257,28 +254,6 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
 
     switch (event->key())
     {
-
-    case Qt::Key_Escape:
-
-        if (m_edgeAdding)
-        {
-            m_edgeAdding = false;
-             m_parent->statusBarMsg(tr("Edge adding cancelled."));
-        }
-        else if (m_edgeDeleting)
-        {
-            m_edgeDeleting = false;
-            m_parent->statusBarMsg(tr("Edge deleting cancelled."));
-        }
-        else if(m_showingNodeNumbers)
-        {
-            m_hintNumber.clear();
-            showingAllNodeNumbers(false);
-            m_showingNodeNumbers = false;
-        }
-
-        break;
-
         // move sceve, or move node if modkey is ctrl
     case Qt::Key_Up:
     case Qt::Key_Down:
@@ -703,6 +678,32 @@ void GraphWidget::nodeMoved(QGraphicsSceneMouseEvent *event)
         node->setPos(node->pos() + event->scenePos() - event->lastScenePos());
 }
 
+void GraphWidget::nodeLostFocus()
+{
+    if (m_editingNode)
+    {
+        m_editingNode = false;
+        m_activeNode->setEditable(false);
+        m_activeNode->update();
+    }
+    else if (m_edgeAdding)
+    {
+        m_edgeAdding = false;
+        m_parent->statusBarMsg(tr("Edge adding cancelled."));
+    }
+    else if (m_edgeDeleting)
+    {
+        m_edgeDeleting = false;
+        m_parent->statusBarMsg(tr("Edge deleting cancelled."));
+    }
+    else if(m_showingNodeNumbers)
+    {
+        m_hintNumber.clear();
+        showingAllNodeNumbers(false);
+        m_showingNodeNumbers = false;
+    }
+}
+
 void GraphWidget::addEdge(Node *source, Node *destination)
 {
     if (destination == m_nodeList.first())

graphwidget.h

@@ -22,6 +22,7 @@ public:
     void setActiveNodeEditable();
     void nodeSelected(Node *node);
     void nodeMoved(QGraphicsSceneMouseEvent *event);
+    void nodeLostFocus();
     QList<Edge *> edges() const;
 
     void contentChanged(const bool &changed = true);

node.cpp

@@ -476,6 +476,12 @@ QPainterPath Node::shape () const
     return path;
 }
 
+void Node::focusOutEvent(QFocusEvent *event)
+{
+    Q_UNUSED(event);
+    m_graph->nodeLostFocus();
+}
+
 double Node::doubleModulo(const double &devided, const double &devisor)
 {
     return devided - static_cast<double>(devisor * static_cast<int>(devided

node.h

@@ -56,6 +56,7 @@ protected:
     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
     QPainterPath shape () const;
+    void focusOutEvent(QFocusEvent *event);
 
 private: