From 2969e72454fe02212291828d156c19e6f8fd8a0b Mon Sep 17 00:00:00 2001
From: Mike Stipicevic <stipim@rpi.edu>
Date: Mon, 16 Feb 2009 00:10:32 -0500
Subject: [PATCH] Added undo for delete thread

---
 lib/sup/modes/thread-index-mode.rb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/sup/modes/thread-index-mode.rb b/lib/sup/modes/thread-index-mode.rb
index ae7c299..159839d 100644
--- a/lib/sup/modes/thread-index-mode.rb
+++ b/lib/sup/modes/thread-index-mode.rb
@@ -443,11 +443,18 @@ EOS
     multi_kill [t]
   end
 
+  ## m-m-m-m-MULTI-KILL
   def multi_kill threads
-    threads.each do |t|
+    undo = threads.map do |t|
       t.apply_label :killed
       hide_thread t
+      thread = t
+      lambda { thread.remove_label :killed
+        add_or_unhide thread.first
+      }
     end
+    UndoManager.register("killing #{threads.size} #{threads.size.pluralize 'thread'}",
+                         undo << lambda {regen_text})
     regen_text
     BufferManager.flash "#{threads.size.pluralize 'Thread'} killed."
   end
-- 
2.45.2