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diff --git a/src/gui/BreadCrumbs.hpp b/src/gui/BreadCrumbs.hpp
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+++ b/src/gui/BreadCrumbs.hpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) 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 General Public License for details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef BREADCRUMBBOX_H
+#define BREADCRUMBBOX_H
+
+#include <list>
+#include <gtkmm.h>
+#include <libglademm/xml.h>
+#include <libglademm.h>
+#include "raul/Path.hpp"
+#include "raul/SharedPtr.hpp"
+#include "PatchView.hpp"
+
+namespace Ingen {
+namespace GUI {
+
+class BreadCrumb;
+
+
+/** Collection of breadcrumb buttons forming a path.
+ *
+ * This doubles as a cache for PatchViews.
+ *
+ * \ingroup GUI
+ */
+class BreadCrumbBox : public Gtk::HBox
+{
+public:
+	BreadCrumbBox();
+
+	SharedPtr<PatchView> view(const Raul::Path& path);
+
+	void build(Raul::Path path, SharedPtr<PatchView> view);
+
+	sigc::signal<void, const Raul::Path&, SharedPtr<PatchView> > signal_patch_selected;
+
+private:
+	BreadCrumb* create_crumb(const Raul::Path&    path,
+                             SharedPtr<PatchView> view = SharedPtr<PatchView>());
+
+	void breadcrumb_clicked(BreadCrumb* crumb);
+
+	void object_destroyed(const Raul::Path& path);
+	void object_moved(const Raul::Path& old_path, const Raul::Path& new_path);
+
+	Raul::Path             _active_path;
+	Raul::Path             _full_path;
+	bool                   _enable_signal;
+	std::list<BreadCrumb*> _breadcrumbs;
+};
+
+} // namespace GUI
+} // namespace Ingen
+
+#endif // BREADCRUMBBOX_H