add Rectangle::vertical_fraction() as a convenience method

[ardour.git] / libs / canvas / canvas / root_group.h

diff --git a/libs/canvas/canvas/root_group.h b/libs/canvas/canvas/root_group.h
index bab6d9448514c025f833a43e289d85148b94e6fa..1763fc11df445a3c7d5fe502bd0f85566e81b2ae 100644 (file)
--- a/libs/canvas/canvas/root_group.h
+++ b/libs/canvas/canvas/root_group.h
@@ -1,19 +1,38 @@
+/*
+    Copyright (C) 2011-2013 Paul Davis
+    Author: Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
 #ifndef __CANVAS_ROOT_GROUP_H__
 #define __CANVAS_ROOT_GROUP_H__
 
-#include "group.h"
+#include "canvas/visibility.h"
+#include "canvas/container.h"
 
 namespace ArdourCanvas {
 
-class RootGroup : public Group
+class LIBCANVAS_API Root : public Container
 {
 private:
        friend class Canvas;
        
-       RootGroup (Canvas *);
+       Root (Canvas *);
 
        void compute_bounding_box () const;
-       void child_changed ();
 };
 
 }