Finally fix SF bug #441172, using a variant of patch ##443626:
canceling an edit operation would not revert the value of the field.
The fix takes care to destroy the Entry object, as suggested in the
patch.
diff --git a/Tools/idle/TreeWidget.py b/Tools/idle/TreeWidget.py
index 60eefdc..be80a63 100644
--- a/Tools/idle/TreeWidget.py
+++ b/Tools/idle/TreeWidget.py
@@ -291,6 +291,12 @@
self.canvas.focus_set()
def edit_cancel(self, event=None):
+ try:
+ entry = self.entry
+ del self.entry
+ except AttributeError:
+ return
+ entry.destroy()
self.drawtext()
self.canvas.focus_set()