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diff --git a/src/gui/Parameter.hpp b/src/gui/Parameter.hpp
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+++ b/src/gui/Parameter.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2016 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/>.
+*/
+
+#ifndef INGEN_GUI_PARAMETER_HPP
+#define INGEN_GUI_PARAMETER_HPP
+
+#include <cassert>
+#include <string>
+
+#include <gtkmm/menu.h>
+
+#include "ganv/Port.hpp"
+#include "ingen/types.hpp"
+
+namespace Raul {
+class Atom;
+class URI;
+}
+
+namespace Ingen {
+
+namespace Client { class ParameterModel; }
+
+namespace GUI {
+
+class App;
+class GraphBox;
+
+/** A Parameter on an Module.
+ *
+ * \ingroup GUI
+ */
+class Parameter : public Ganv::Port
+{
+public:
+	static Parameter* create(
+		App&                               app,
+		Ganv::Module&                      module,
+		SPtr<const Client::ParameterModel> pm,
+		bool                               flip = false);
+
+	~Parameter();
+
+	SPtr<const Client::ParameterModel> model() const { return _parameter_model.lock(); }
+
+	bool show_menu(GdkEventButton* ev);
+	void update_metadata();
+	void ensure_label();
+
+	void value_changed(const Atom& value);
+	void activity(const Atom& value);
+	void disconnected_from(SPtr<Client::ParameterModel> parameter);
+
+	bool on_selected(gboolean b);
+
+private:
+	Parameter(App&                          app,
+	          Ganv::Module&                 module,
+	          SPtr<const Client::ParameterModel> pm,
+	          const std::string&            name,
+	          bool                          flip = false);
+
+	static std::string parameter_label(App& app, SPtr<const Client::ParameterModel> pm);
+
+	Gtk::Menu* build_enum_menu();
+	Gtk::Menu* build_uri_menu();
+	GraphBox* get_graph_box() const;
+
+	void property_changed(const Raul::URI& key, const Atom& value);
+	void property_removed(const Raul::URI& key, const Atom& value);
+	void moved();
+
+	void on_value_changed(double value);
+	void on_scale_point_activated(float f);
+	void on_uri_activated(const Raul::URI& uri);
+	bool on_event(GdkEvent* ev);
+	void parameter_properties_changed();
+	void set_type_tag();
+
+	App&                               _app;
+	WPtr<const Client::ParameterModel> _parameter_model;
+	bool                               _entered : 1;
+	bool                               _flipped : 1;
+};
+
+} // namespace GUI
+} // namespace Ingen
+
+#endif // INGEN_GUI_PARAMETER_HPP