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diff --git a/src/gui/SubgraphModule.hpp b/src/gui/SubgraphModule.hpp
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+/*
+ This file is part of Ingen.
+ Copyright 2007-2015 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/>.
+*/
+
+#ifndef INGEN_GUI_SUBGRAPHMODULE_HPP
+#define INGEN_GUI_SUBGRAPHMODULE_HPP
+
+#include "ingen/types.hpp"
+
+#include "NodeModule.hpp"
+#include "GraphPortModule.hpp"
+
+namespace ingen { namespace client {
+class GraphModel;
+class GraphWindow;
+class PortModel;
+} }
+
+namespace ingen {
+namespace gui {
+
+class GraphCanvas;
+
+/** A module to represent a subgraph
+ *
+ * \ingroup GUI
+ */
+class SubgraphModule : public NodeModule
+{
+public:
+ SubgraphModule(GraphCanvas& canvas,
+ SPtr<const client::GraphModel> graph);
+
+ virtual ~SubgraphModule() {}
+
+ bool on_double_click(GdkEventButton* event) override;
+
+ void store_location(double ax, double ay) override;
+
+ void browse_to_graph();
+ void menu_remove();
+
+ SPtr<const client::GraphModel> graph() const { return _graph; }
+
+protected:
+ SPtr<const client::GraphModel> _graph;
+};
+
+} // namespace gui
+} // namespace ingen
+
+#endif // INGEN_GUI_SUBGRAPHMODULE_HPP