office-gobmx/sd/inc/undo/undomanager.hxx
Rüdiger Timm 471c13645e INTEGRATION: CWS impress146 (1.4.56); FILE MERGED
2008/06/30 15:19:20 af 1.4.56.1: #i90969# Added methods SetLinkedUndoManager() and ClearLinkedRedoActions().
2008-07-07 12:31:16 +00:00

84 lines
2.7 KiB
C++

/*************************************************************************
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* Copyright 2008 by Sun Microsystems, Inc.
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* OpenOffice.org - a multi-platform office productivity suite
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* $RCSfile: undomanager.hxx,v $
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#ifndef _SD_UNDOMANAGER_HXX
#define _SD_UNDOMANAGER_HXX
#include "misc/scopelock.hxx"
#include <svtools/undo.hxx>
namespace sd
{
class UndoManager : public SfxUndoManager
{
public:
UndoManager( USHORT nMaxUndoActionCount = 20 );
virtual void EnterListAction(const UniString &rComment, const UniString& rRepeatComment, USHORT nId=0);
virtual void LeaveListAction();
virtual void AddUndoAction( SfxUndoAction *pAction, BOOL bTryMerg=FALSE );
bool isInListAction() const { return mnListLevel != 0; }
bool isInUndo() const { return maIsInUndoLock.isLocked(); }
virtual BOOL Undo( USHORT nCount=1 );
virtual BOOL Redo( USHORT nCount=1 );
/** Set or reset the undo manager linked with the called undo manager.
*/
void SetLinkedUndoManager (SfxUndoManager* pLinkedUndoManager);
private:
using SfxUndoManager::Undo;
using SfxUndoManager::Redo;
int mnListLevel;
ScopeLock maIsInUndoLock;
/** Used when the outline view is visible as a last resort to
synchronize the undo managers.
*/
SfxUndoManager* mpLinkedUndoManager;
/** Call ClearRedo() at the linked undo manager, when present.
It should not be necessary to call ClearRedo() explicitly, but the
synchronization between the under managers of the document and the
outline view seems to have a bug. Therefore this method is called
whenever a new undo action is added.
*/
void ClearLinkedRedoActions (void);
};
}
#endif // _SD_UNDOMANAGER_HXX