From 74ec242dd6e0def7734362c5650a0bfa2560b4e5 Mon Sep 17 00:00:00 2001
From: Denes Matetelki <denes.matetelki@gmail.com>
Date: Sat, 11 Jun 2011 21:56:52 +0200
Subject: [PATCH] mouse double click sets selected node editable, when
 inserting a new node, the new node gets focus and become editable

---
 graphwidget.cpp | 14 +++++++++++---
 graphwidget.h   |  1 +
 node.cpp        | 11 +++++------
 node.h          |  2 +-
 4 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/graphwidget.cpp b/graphwidget.cpp
index 6ff1132..82d86e4 100644
--- a/graphwidget.cpp
+++ b/graphwidget.cpp
@@ -275,9 +275,7 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
 
          if (m_activeNode)
          {
-             m_editingNode = true;
-             m_activeNode->setEditable();
-             m_scene->setFocusItem(m_activeNode);
+             setActiveNodeEditable();
          }
          else
          {
@@ -380,6 +378,9 @@ void GraphWidget::insertNode()
     m_nodeList.append(node);
 
     m_scene->addItem(new Edge(m_activeNode, node));
+
+    setActiveNode(node);
+    setActiveNodeEditable();
 }
 
 void GraphWidget::showingAllNodeNumbers(const bool &show)
@@ -432,3 +433,10 @@ bool GraphWidget::numberStartsWithNumber(const int &number, const int &prefix)
 {
     return (QString::number(number)).startsWith(QString::number(prefix));
 }
+
+void GraphWidget::setActiveNodeEditable()
+{
+    m_editingNode = true;
+    m_activeNode->setEditable();
+    m_scene->setFocusItem(m_activeNode);
+}
diff --git a/graphwidget.h b/graphwidget.h
index e18d07a..c5743a6 100644
--- a/graphwidget.h
+++ b/graphwidget.h
@@ -19,6 +19,7 @@ public:
     QGraphicsScene *getScene();
     void setActiveNode(Node *node);
     void insertNode();
+    void setActiveNodeEditable();
 
 protected:
 
diff --git a/node.cpp b/node.cpp
index fe5a1f2..5920b0f 100644
--- a/node.cpp
+++ b/node.cpp
@@ -132,12 +132,11 @@ void Node::mousePressEvent(QGraphicsSceneMouseEvent *event)
     QGraphicsItem::mousePressEvent(event);
 }
 
-//void Node::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
-//{
-//    m_graph->insertNode();
-
-//    QGraphicsItem::mouseDoubleClickEvent(event);
-//}
+void Node::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
+{
+    Q_UNUSED(event);
+    m_graph->setActiveNodeEditable();
+}
 
 void Node::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
diff --git a/node.h b/node.h
index b4ceaf5..83aadf3 100644
--- a/node.h
+++ b/node.h
@@ -33,7 +33,7 @@ protected:
                QWidget *widget);
     QVariant itemChange(GraphicsItemChange change, const QVariant &value);
     void mousePressEvent(QGraphicsSceneMouseEvent *event);
-    //void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
     void linkActivated(const QString &link);