From d8db367f6a4e49776834c82b092700dbda56cecc Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Fri, 22 Dec 2017 13:39:13 +0000
Subject: edge bend undo works

---
 tikzit/src/data/graph.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'tikzit/src/data/graph.cpp')

diff --git a/tikzit/src/data/graph.cpp b/tikzit/src/data/graph.cpp
index 1985f8a..de3eb08 100644
--- a/tikzit/src/data/graph.cpp
+++ b/tikzit/src/data/graph.cpp
@@ -4,16 +4,17 @@
 
 Graph::Graph(QObject *parent) : QObject(parent)
 {
-    _data = new GraphElementData();
+    _data = new GraphElementData(this);
     _bbox = QRectF(0,0,0,0);
 }
 
 Graph::~Graph()
 {
-    delete _data;
 }
 
 void Graph::removeNode(Node *n) {
+    // the node itself is not deleted, as it may still be referenced in an undo command. It will
+    // be deleted when graph is, via QObject memory management.
     _nodes.removeAll(n);
     inEdges.remove(n);
     outEdges.remove(n);
-- 
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