The Quake III Arena sources as originally released under the GPL license on August 20, 2005.

code/macosx/Q3Controller.h

@@ -0,0 +1,40 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code 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.
+
+Quake III Arena source code 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 Foobar; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+#import <AppKit/AppKit.h>
+
+@interface Q3Controller : NSObject
+{
+    IBOutlet NSPanel *bannerPanel;
+}
+
+#ifndef DEDICATED
+- (IBAction)paste:(id)sender;
+- (IBAction)requestTerminate:(id)sender;
+
+- (void) showBanner;
+#endif
+
+- (void)quakeMain;
+
+@end
+