#ifndef __gtk_ardour_editor_regions_h__
#define __gtk_ardour_editor_regions_h__
-#include "editor_component.h"
#include <boost/unordered_map.hpp>
+#include <gtkmm/scrolledwindow.h>
+#include <gtkmm/treemodel.h>
+#include <gtkmm/treerowreference.h>
+#include <gtkmm/treestore.h>
+
+#include "editor_component.h"
+
class EditorRegions : public EditorComponent, public ARDOUR::SessionHandlePtr
{
public: