1 files changed, 21 insertions, 0 deletions
diff --git a/libs/canvas/canvas/root_group.h b/libs/canvas/canvas/root_group.h
new file mode 100644
index 0000000000..bab6d94485
--- /dev/null
+++ b/libs/canvas/canvas/root_group.h
@@ -0,0 +1,21 @@
+#ifndef __CANVAS_ROOT_GROUP_H__
+#define __CANVAS_ROOT_GROUP_H__
+
+#include "group.h"
+
+namespace ArdourCanvas {
+
+class RootGroup : public Group
+{
+private:
+	friend class Canvas;
+	
+	RootGroup (Canvas *);
+
+	void compute_bounding_box () const;
+	void child_changed ();
+};
+
+}
+
+#endif