From 9dbd6fa65ac416877cd763100c43815c8a381122 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 6 May 2018 16:18:58 +0530
Subject: [PATCH] ToC Editor: Allow undo for renaming single items as well.
 Fixes #1769442 [TOC editor undo issue with renamed
 entries](https://bugs.launchpad.net/calibre/+bug/1769442)

---
 src/calibre/gui2/toc/main.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/calibre/gui2/toc/main.py b/src/calibre/gui2/toc/main.py
index 94aef6d9c2..b52796408d 100644
--- a/src/calibre/gui2/toc/main.py
+++ b/src/calibre/gui2/toc/main.py
@@ -355,8 +355,7 @@ class ItemView(QFrame):  # {{{
 # }}}
 
 
-NODE_FLAGS = (Qt.ItemIsDragEnabled|Qt.ItemIsEditable|Qt.ItemIsEnabled|
-                        Qt.ItemIsSelectable|Qt.ItemIsDropEnabled)
+NODE_FLAGS = (Qt.ItemIsDragEnabled|Qt.ItemIsEditable|Qt.ItemIsEnabled|Qt.ItemIsSelectable|Qt.ItemIsDropEnabled)
 
 
 class TreeWidget(QTreeWidget):  # {{{
@@ -394,6 +393,10 @@ class TreeWidget(QTreeWidget):  # {{{
             self.unserialize_tree(self.history.pop())
             self.history_state_changed.emit()
 
+    def commitData(self, editor):
+        self.push_history()
+        return QTreeWidget.commitData(self, editor)
+
     def iteritems(self, parent=None):
         if parent is None:
             parent = self.invisibleRootItem()