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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /interfaces/ktexteditor/undointerface.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* This file is part of the KDE libraries
+ Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ 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, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef __ktexteditor_undointerface_h__
+#define __ktexteditor_undointerface_h__
+
+#include <kdelibs_export.h>
+
+class QCString;
+
+namespace KTextEditor
+{
+
+/**
+* This is an interface to undo functionality of a Document.
+*/
+class KTEXTEDITOR_EXPORT UndoInterface
+{
+ friend class PrivateUndoInterface;
+
+ public:
+ UndoInterface ();
+ virtual ~UndoInterface ();
+
+ unsigned int undoInterfaceNumber () const;
+
+ protected:
+ void setUndoInterfaceDCOPSuffix (const QCString &suffix);
+
+ //
+ // slots !!!
+ //
+ public:
+ virtual void undo () = 0;
+
+ virtual void redo () = 0;
+
+ virtual void clearUndo () = 0;
+
+ virtual void clearRedo () = 0;
+
+ virtual unsigned int undoCount () const = 0;
+
+ virtual unsigned int redoCount () const = 0;
+
+ /**
+ returns the maximum of undo steps possible, 0 means no limit !
+ */
+ virtual unsigned int undoSteps () const = 0;
+
+ virtual void setUndoSteps ( unsigned int steps ) = 0;
+
+ //
+ // signals !!!
+ //
+ public:
+ virtual void undoChanged () = 0;
+
+ private:
+ class PrivateUndoInterface *d;
+ static unsigned int globalUndoInterfaceNumber;
+ unsigned int myUndoInterfaceNumber;
+};
+
+KTEXTEDITOR_EXPORT UndoInterface *undoInterface (class Document *doc);
+
+}
+
+#endif