r321@gandalf: fugalh | 2006-08-12 15:48:28 -0600

 Behold serialized undo.


git-svn-id: svn://localhost/ardour2/branches/undo@799 d708f5d6-7413-0410-9779-e7cbd77b26cf

11 files changed, 26 insertions, 26 deletions

diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index 8a75396ed2..c054de9808 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -1298,7 +1298,6 @@ ARDOUR_UI::start_engine ()
 			   settings for a new session 
 			*/
 			session->save_state ("");
-                        session->save_history ("");
 		}
 
 		/* there is too much going on, in too many threads, for us to 
@@ -1472,7 +1471,6 @@ ARDOUR_UI::save_state_canfail (string name)
 		}
 
 		if ((ret = session->save_state (name)) != 0) {
-                        session->save_history (name);
 			return ret;
 		}
 	}
diff --git a/gtk2_ardour/ardour_ui_dialogs.cc b/gtk2_ardour/ardour_ui_dialogs.cc
index 5a1ec87462..25f3068a81 100644
--- a/gtk2_ardour/ardour_ui_dialogs.cc
+++ b/gtk2_ardour/ardour_ui_dialogs.cc
@@ -156,7 +156,6 @@ ARDOUR_UI::unload_session ()
 			
 		case 1:
 			session->save_state ("");
-                        session->save_history ("");
 			break;
 		}
 	}
diff --git a/libs/ardour/automation_event.cc b/libs/ardour/automation_event.cc
index cf69c634b1..ccfcef28f4 100644
--- a/libs/ardour/automation_event.cc
+++ b/libs/ardour/automation_event.cc
@@ -33,6 +33,8 @@ using namespace ARDOUR;
 using namespace sigc;
 using namespace PBD;
 
+sigc::signal<void,AutomationList *> AutomationList::AutomationListCreated;
+
 #if 0
 static void dumpit (const AutomationList& al, string prefix = "")
 {
diff --git a/libs/ardour/curve.cc b/libs/ardour/curve.cc
index 5879cb5988..20f7053f2e 100644
--- a/libs/ardour/curve.cc
+++ b/libs/ardour/curve.cc
@@ -40,6 +40,8 @@ using namespace ARDOUR;
 using namespace sigc;
 using namespace PBD;
 
+sigc::signal<void, Curve*> Curve::CurveCreated;
+
 Curve::Curve (double minv, double maxv, double canv, bool nostate)
 	: AutomationList (canv, nostate)
 {
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 1bd11cacc0..48f7fc30e9 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -263,7 +263,7 @@ Session::Session (AudioEngine &eng,
 {
 	bool new_session;
 
-	cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << endl;
+	cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << " (1)" << endl;
 
 	n_physical_outputs = _engine.n_physical_outputs();
 	n_physical_inputs =  _engine.n_physical_inputs();
@@ -312,7 +312,7 @@ Session::Session (AudioEngine &eng,
 {
 	bool new_session;
 
-	cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << endl;
+	cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << " (2)" << endl;
 
 	n_physical_outputs = max (requested_physical_out, _engine.n_physical_outputs());
 	n_physical_inputs = max (requested_physical_in, _engine.n_physical_inputs());
@@ -1007,7 +1007,6 @@ Session::auto_punch_start_changed (Location* location)
 	if (get_record_enabled() && get_punch_in()) {
 		/* capture start has been changed, so save new pending state */
 		save_state ("", true);
-                save_history("");
 	}
 }	
 
@@ -1325,7 +1324,6 @@ Session::maybe_enable_record ()
 	*/
 
 	save_state ("", true);
-        save_history ("");
 
 	if (_transport_speed) {
 		if (!punch_in) {
@@ -1889,7 +1887,6 @@ Session::add_route (shared_ptr<Route> route)
 
 	set_dirty();
 	save_state (_current_snapshot_name);
-	save_history (_current_snapshot_name);
 
 	RouteAdded (route); /* EMIT SIGNAL */
 }
@@ -1921,7 +1918,6 @@ Session::add_diskstream (Diskstream* dstream)
 
 	set_dirty();
 	save_state (_current_snapshot_name);
-        save_history (_current_snapshot_name);
 
 	DiskstreamAdded (dstream); /* EMIT SIGNAL */
 }
@@ -1986,7 +1982,6 @@ Session::remove_route (shared_ptr<Route> route)
 	/* XXX should we disconnect from the Route's signals ? */
 
 	save_state (_current_snapshot_name);
-	save_history (_current_snapshot_name);
 
 	/* all shared ptrs to route should go out of scope here */
 }	
@@ -2689,7 +2684,6 @@ Session::remove_source (Source* source)
 		*/
 		
 		save_state (_current_snapshot_name);
-                save_history (_current_snapshot_name);
 	}
 
 	SourceRemoved(source); /* EMIT SIGNAL */
diff --git a/libs/ardour/session_command.cc b/libs/ardour/session_command.cc
index 4021fae573..8c1a4b32cf 100644
--- a/libs/ardour/session_command.cc
+++ b/libs/ardour/session_command.cc
@@ -31,12 +31,12 @@ Command *Session::memento_command_factory(XMLNode *n)
     /* get before/after */
     if (n->name() == "MementoCommand")
     {
-        before = n->children().front();
-        after = n->children().back();
+        before = new XMLNode(*n->children().front());
+        after = new XMLNode(*n->children().back());
     } else if (n->name() == "MementoUndoCommand")
-        before = n->children().front();
+        before = new XMLNode(*n->children().front());
     else if (n->name() == "MementoRedoCommand")
-        after = n->children().front();
+        after = new XMLNode(*n->children().front());
 
 
     /* create command */
@@ -64,9 +64,6 @@ Command *Session::memento_command_factory(XMLNode *n)
     }
     else if (obj_T == "Route") // inlcudes AudioTrack
         return new MementoCommand<Route>(*route_by_id(id), before, after);
-    // For Editor and AutomationLine which are off-limits here
-    else if (registry.count(id))
-        return new MementoCommand<Stateful>(*registry[id], before, after);
     else if (obj_T == "Curve")
     {
         if (curves.count(id))
@@ -77,6 +74,9 @@ Command *Session::memento_command_factory(XMLNode *n)
         if (automation_lists.count(id))
             return new MementoCommand<AutomationList>(*automation_lists[id], before, after);
     }
+    // For Editor and AutomationLine which are off-limits here
+    else if (registry.count(id))
+        return new MementoCommand<Stateful>(*registry[id], before, after);
 
     /* we failed */
     error << _("could not reconstitute MementoCommand from XMLNode. id=") << id.to_s() << endmsg;
diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc
index 887d6f5c19..821f894eeb 100644
--- a/libs/ardour/session_midi.cc
+++ b/libs/ardour/session_midi.cc
@@ -594,7 +594,6 @@ Session::mmc_record_strobe (MIDI::MachineControl &mmc)
 		*/
 		
 		save_state ("", true);
-		save_history ("");
 		g_atomic_int_set (&_record_status, Enabled);
 		RecordStateChanged (); /* EMIT SIGNAL */
 		
diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index 903d6f558a..181d4c8a67 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -349,6 +349,7 @@ Session::second_stage_init (bool new_session)
 		_end_location_is_free = false;
 	}
 	
+        restore_history(_current_snapshot_name);
 	return 0;
 }
 
@@ -715,6 +716,7 @@ Session::save_state (string snapshot_name, bool pending)
 	}
 
 	if (!pending) {
+                save_history(snapshot_name);
 
 		bool was_dirty = dirty();
 
@@ -1690,7 +1692,6 @@ Session::set_state (const XMLNode& node)
 
 	if (state_was_pending) {
 		save_state (_current_snapshot_name);
-                save_history (_current_snapshot_name);
 		remove_pending_capture_state ();
 		state_was_pending = false;
 	}
@@ -2478,7 +2479,6 @@ void
 Session::auto_save()
 {
 	save_state (_current_snapshot_name);
-        save_history (_current_snapshot_name);
 }
 
 RouteGroup *
@@ -3150,7 +3150,6 @@ Session::cleanup_sources (Session::cleanup_report& rep)
 	*/
 	
 	save_state ("");
-	save_history ("");
 
   out:
 	_state_of_the_state = (StateOfTheState) (_state_of_the_state & ~InCleanup);
@@ -3290,6 +3289,7 @@ Session::save_history (string snapshot_name)
     string xml_path;
     string bak_path;
 
+
     tree.set_root (&history.get_state());
 
     if (snapshot_name.empty()) {
@@ -3297,6 +3297,7 @@ Session::save_history (string snapshot_name)
     }
 
     xml_path = _path + snapshot_name + ".history"; 
+    info << "Saving history to " << xml_path << endmsg;
 
     bak_path = xml_path + ".bak";
 
@@ -3340,6 +3341,8 @@ Session::restore_history (string snapshot_name)
     /* read xml */
     xmlpath = _path + snapshot_name + ".history";
 
+    info << string_compose(_("Loading history from '%1'."), xmlpath) << endmsg;
+
     if (access (xmlpath.c_str(), F_OK)) {
         error << string_compose(_("%1: session history file \"%2\" doesn't exist!"), _name, xmlpath) << endmsg;
         return 1;
@@ -3350,6 +3353,8 @@ Session::restore_history (string snapshot_name)
         return -1;
     }
 
+    info << "root children " << tree.root()->children().size() << endmsg;
+
     /* replace history */
     history.clear();
     for (XMLNodeConstIterator it  = tree.root()->children().begin();
@@ -3388,5 +3393,10 @@ Session::restore_history (string snapshot_name)
         }
         history.add(ut);
     }
+
+    XMLTree tree2;
+    tree2.set_root(&history.get_state());
+    info << tree2.write_buffer() << endmsg;
+
     return 0;
 }
diff --git a/libs/ardour/session_transport.cc b/libs/ardour/session_transport.cc
index 0e3895caf1..7c2b4f1c6f 100644
--- a/libs/ardour/session_transport.cc
+++ b/libs/ardour/session_transport.cc
@@ -411,7 +411,6 @@ Session::non_realtime_stop (bool abort)
 	if ((post_transport_work & PostTransportLocate) && get_record_enabled()) {
 		/* capture start has been changed, so save pending state */
 		save_state ("", true);
-                save_history ("");
 	}
 
         /* always try to get rid of this */
@@ -422,7 +421,6 @@ Session::non_realtime_stop (bool abort)
 
 	if (did_record) {
 		save_state (_current_snapshot_name);
-		save_history (_current_snapshot_name);
 	}
 
 	if (post_transport_work & PostTransportDuration) {
diff --git a/libs/ardour/track.cc b/libs/ardour/track.cc
index 1efd18ae22..58d8c1b306 100644
--- a/libs/ardour/track.cc
+++ b/libs/ardour/track.cc
@@ -224,7 +224,6 @@ Track::set_name (string str, void *src)
 
 	if ((ret = IO::set_name (str, src)) == 0) {
 		_session.save_state ("");
-                _session.save_history ("");
 	}
 	return ret;
 }
diff --git a/libs/surfaces/control_protocol/basic_ui.cc b/libs/surfaces/control_protocol/basic_ui.cc
index bee4783914..3dc93cc64a 100644
--- a/libs/surfaces/control_protocol/basic_ui.cc
+++ b/libs/surfaces/control_protocol/basic_ui.cc
@@ -145,7 +145,6 @@ void
 BasicUI::save_state ()
 {
 	session->save_state ("");
-        session->save_history("");
 }
 
 void