dded basic support for the controller classes from Cocoa.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@24218 72102866-910b-0410-8b05-ffd578937521

Headers/AppKit/NSController.h

@@ -0,0 +1,56 @@
+/** <title>NSController</title>
+
+   <abstract>abstract base class for controllers</abstract>
+
+   Copyright <copy>(C) 2006 Free Software Foundation, Inc.</copy>
+
+   Author: Fred Kiefer <fredkiefer@gmx.de>
+   Date: June 2006
+
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, write to the Free Software Foundation,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+#ifndef _GNUstep_H_NSController
+#define _GNUstep_H_NSController
+
+#include <Foundation/NSObject.h>
+
+#if OS_API_VERSION(100300,GS_API_LATEST)
+
+@class NSMutableArray;
+
+@interface NSController : NSObject <NSCoding>
+{
+  NSMutableArray *_editors;
+}
+
+// NSEditor protocol
+- (BOOL) commitEditing;
+- (void) discardEditing;
+
+- (BOOL) isEditing;
+
+// NSEditorRegistration protocol
+- (void) objectDidBeginEditing: (id)editor;
+- (void) objectDidEndEditing: (id)editor;
+
+@end
+
+#endif // OS_API_VERSION
+
+#endif // _GNUstep_H_NSController