1 files changed, 15 insertions, 0 deletions
diff --git a/src/gui/tikzscene.cpp b/src/gui/tikzscene.cpp
index 8378f5e..ffc111c 100644
--- a/src/gui/tikzscene.cpp
+++ b/src/gui/tikzscene.cpp
@@ -8,6 +8,7 @@
 #include <QBrush>
 #include <QDebug>
 #include <QClipboard>
+#include <QInputDialog>
 #include <cmath>
 
 
@@ -444,6 +445,20 @@ void TikzScene::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
             _tikzDocument->undoStack()->push(cmd);
             break;
         }
+
+        if (NodeItem *ni = dynamic_cast<NodeItem*>(gi)) {
+            bool ok;
+            QString newLabel = QInputDialog::getText(views()[0], tr("Node label"),
+                                                     tr("Label:"), QLineEdit::Normal,
+                                                     ni->node()->label(), &ok);
+            if (ok && !newLabel.isEmpty()) {
+                QMap<Node*,QString> oldLabels;
+                oldLabels.insert(ni->node(), ni->node()->label());
+                ChangeLabelCommand *cmd = new ChangeLabelCommand(this, graph(), oldLabels, newLabel);
+                _tikzDocument->undoStack()->push(cmd);
+            }
+            break;
+        }
     }
 }