lyx_mirror/src/undo_funcs.h
John Levon 6af5ac769a Rob's followup (nr. 1 ;)
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5127 a592a061-630c-0410-9148-cb99ea01b6c8
2002-08-27 20:30:20 +00:00

47 lines
1.1 KiB
C++

// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#ifndef UNDO_FUNCS_H
#define UNDO_FUNCS_H
#ifdef __GNUG__
#pragma interface
#endif
#include "undo.h"
class BufferView;
class Paragraph;
/// returns false if no undo possible
extern bool textUndo(BufferView *);
/// returns false if no redo possible
extern bool textRedo(BufferView *);
/// makes sure the next operation will be stored
extern void finishUndo();
/// Whilst undo is frozen, all actions do not get added
/// to the undo stack
extern void freezeUndo();
/// Track undos again
extern void unFreezeUndo();
/// FIXME
extern void setUndo(BufferView *, Undo::undo_kind kind,
Paragraph const * first, Paragraph const * behind);
/// FIXME
extern void setRedo(BufferView *, Undo::undo_kind kind,
Paragraph const * first, Paragraph const * behind);
/// FIXME
extern void setCursorParUndo(BufferView *);
/// Are we avoiding tracking undos currently ?
extern bool undo_frozen;
#endif // UNDO_FUNCS_H