Add undo support

1 files changed, 65 insertions, 0 deletions

diff --git a/src/server/events/Mark.cpp b/src/server/events/Mark.cpp
new file mode 100644
index 00000000..0e14f008
--- /dev/null
+++ b/src/server/events/Mark.cpp
@@ -0,0 +1,65 @@
+/*
+  This file is part of Ingen.
+  Copyright 2016 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or any later version.
+
+  Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "Engine.hpp"
+#include "UndoStack.hpp"
+#include "events/Mark.hpp"
+
+namespace Ingen {
+namespace Server {
+namespace Events {
+
+Mark::Mark(Engine&         engine,
+           SPtr<Interface> client,
+           int32_t         id,
+           SampleCount     timestamp,
+           Type            type)
+	: Event(engine, client, id, timestamp)
+	, _type(type)
+{}
+
+bool
+Mark::pre_process()
+{
+	UndoStack* const stack = ((_mode == Mode::UNDO)
+	                          ? _engine.redo_stack()
+	                          : _engine.undo_stack());
+
+	switch (_type) {
+	case Type::BUNDLE_START:
+		stack->start_entry();
+		break;
+	case Type::BUNDLE_END:
+		stack->finish_entry();
+		break;
+	}
+
+	return Event::pre_process_done(Status::SUCCESS);
+}
+
+void
+Mark::execute(ProcessContext& context)
+{}
+
+void
+Mark::post_process()
+{
+	respond();
+}
+
+} // namespace Events
+} // namespace Server
+} // namespace Ingen