interfaces Library API Documentation

undointerface.h

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00016    Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #ifndef __ktexteditor_undointerface_h__
00020 #define __ktexteditor_undointerface_h__
00021 
00022 class QCString;
00023 
00024 namespace KTextEditor
00025 {
00026 
00027 /*
00028 *  This is an interface for the KTextEditor::Document class !!!
00029 */
00030 class UndoInterface
00031 {
00032   friend class PrivateUndoInterface;
00033 
00034   public:
00035     UndoInterface ();
00036     virtual ~UndoInterface ();
00037 
00038     unsigned int undoInterfaceNumber () const;
00039     
00040   protected:  
00041     void setUndoInterfaceDCOPSuffix (const QCString &suffix); 
00042 
00043   //
00044   // slots !!!
00045   //
00046   public:
00047     virtual void undo () = 0;
00048 
00049     virtual void redo () = 0;
00050 
00051     virtual void clearUndo () = 0;
00052 
00053     virtual void clearRedo () = 0;
00054 
00055     virtual unsigned int undoCount () const = 0;
00056 
00057     virtual unsigned int redoCount () const = 0;
00058 
00062     virtual unsigned int undoSteps () const = 0;
00063 
00064     virtual void setUndoSteps ( unsigned int steps ) = 0;
00065 
00066   //
00067   // signals !!!
00068   //
00069   public:
00070     virtual void undoChanged () = 0;
00071 
00072   private:
00073     class PrivateUndoInterface *d;
00074     static unsigned int globalUndoInterfaceNumber;
00075     unsigned int myUndoInterfaceNumber;
00076 };
00077 
00078 UndoInterface *undoInterface (class Document *doc);
00079 
00080 }
00081 
00082 #endif
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This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 13:30:50 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001