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diff --git a/src/gui/GraphView.hpp b/src/gui/GraphView.hpp
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+++ b/src/gui/GraphView.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2012 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_GRAPHVIEW_HPP
+#define INGEN_GUI_GRAPHVIEW_HPP
+
+#include <gtkmm/box.h>
+#include <gtkmm/builder.h>
+#include <gtkmm/scrolledwindow.h>
+#include <gtkmm/spinbutton.h>
+#include <gtkmm/toggletoolbutton.h>
+#include <gtkmm/toolbar.h>
+#include <gtkmm/toolitem.h>
+#include <gtkmm/toolitem.h>
+
+#include "raul/SharedPtr.hpp"
+#include "raul/URI.hpp"
+
+namespace Raul { class Atom; }
+
+namespace Ingen {
+
+namespace Client {
+	class PortModel;
+	class MetadataModel;
+	class GraphModel;
+	class ObjectModel;
+}
+
+namespace GUI {
+
+class App;
+class LoadPluginWindow;
+class NewSubgraphWindow;
+class GraphCanvas;
+class GraphDescriptionWindow;
+class SubgraphModule;
+
+/** The graph specific contents of a GraphWindow (ie the canvas and whatever else).
+ *
+ * \ingroup GUI
+ */
+class GraphView : public Gtk::Box
+{
+public:
+	GraphView(BaseObjectType*                   cobject,
+	          const Glib::RefPtr<Gtk::Builder>& xml);
+
+	void init(App& app);
+
+	SharedPtr<GraphCanvas>              canvas()               const { return _canvas; }
+	SharedPtr<const Client::GraphModel> graph()                const { return _graph; }
+	Gtk::ToolItem*                      breadcrumb_container() const { return _breadcrumb_container; }
+
+	static SharedPtr<GraphView> create(App& app,
+	                                   SharedPtr<const Client::GraphModel> graph);
+
+	sigc::signal<void, const Client::ObjectModel*> signal_object_entered;
+	sigc::signal<void, const Client::ObjectModel*> signal_object_left;
+
+private:
+	void set_graph(SharedPtr<const Client::GraphModel> graph);
+
+	void process_toggled();
+	void poly_changed();
+	void clear_clicked();
+	void refresh_clicked();
+
+	#if 0
+	void canvas_item_entered(Gnome::Canvas::Item* item);
+	void canvas_item_left(Gnome::Canvas::Item* item);
+	#endif
+
+	void property_changed(const Raul::URI& predicate, const Raul::Atom& value);
+
+	void zoom_full();
+
+	App* _app;
+
+	SharedPtr<const Client::GraphModel> _graph;
+	SharedPtr<GraphCanvas>              _canvas;
+
+	Gtk::ScrolledWindow*   _canvas_scrolledwindow;
+	Gtk::Toolbar*          _toolbar;
+	Gtk::ToggleToolButton* _process_but;
+	Gtk::SpinButton*       _poly_spin;
+	Gtk::ToolButton*       _refresh_but;
+	Gtk::ToolButton*       _save_but;
+	Gtk::ToolButton*       _zoom_normal_but;
+	Gtk::ToolButton*       _zoom_full_but;
+	Gtk::ToolItem*         _breadcrumb_container;
+
+	bool _enable_signal;
+};
+
+} // namespace GUI
+} // namespace Ingen
+
+#endif // INGEN_GUI_GRAPHVIEW_HPP