From c26215c1e59b6341da86f94f5b2b3ca950dd3889 Mon Sep 17 00:00:00 2001
From: Hans Fugal <hans@fugal.net>
Date: Wed, 9 Aug 2006 14:15:05 +0000
Subject:  r283@gandalf:  fugalh | 2006-08-09 08:13:37 -0600  Save state
 basics, including adding PBD::ID to the delinquents. Compiles but needs to be
 tested (because I can't get the whole thing to compile on OSX due to the Rect
 problem).

git-svn-id: svn://localhost/ardour2/branches/undo@769 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/pbd/undo.cc | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'libs/pbd/undo.cc')

diff --git a/libs/pbd/undo.cc b/libs/pbd/undo.cc
index a5ca6b713a..8d1b416c16 100644
--- a/libs/pbd/undo.cc
+++ b/libs/pbd/undo.cc
@@ -22,6 +22,7 @@
 
 #include <pbd/undo.h>
 #include <pbd/xml++.h>
+#include <string>
 
 using namespace std;
 using namespace sigc;
@@ -86,7 +87,11 @@ UndoTransaction::redo ()
 XMLNode &UndoTransaction::get_state()
 {
     XMLNode *node = new XMLNode ("UndoTransaction");
-    // TODO
+
+    list<Command*>::iterator it;
+    for (it=actions.begin(); it!=actions.end(); it++)
+        node->add_child_nocopy((*it)->get_state());
+
     return *node;
 }
 
@@ -142,3 +147,14 @@ UndoHistory::clear ()
 	RedoList.clear ();
 	UndoList.clear ();
 }
+
+XMLNode & UndoHistory::get_state()
+{
+    XMLNode *node = new XMLNode ("UndoHistory");
+
+    list<UndoTransaction>::iterator it;
+    for (it=UndoList.begin(); it != UndoList.end(); it++)
+        node->add_child_nocopy(it->get_state());
+
+    return *node;
+}
-- 
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