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kspread'KSpreadUndo (./koffice/kspread/kspread_undo.h:184)

class KSpreadUndo
{
public:
    KSpreadUndo( KSpreadDoc *_doc );
    ~KSpreadUndo();

    void undo();
    void redo();
    void clear();

    void lock() { m_bLocked = TRUE; }
    void unlock() { m_bLocked = FALSE; }
    bool isLocked() { return m_bLocked; }

    bool hasUndoActions() { return !m_stckUndo.isEmpty(); }
    bool hasRedoActions() { return !m_stckRedo.isEmpty(); }

    void appendUndo( KSpreadUndoAction *_action );

protected:
    QStack<KSpreadUndoAction> m_stckUndo;
    QStack<KSpreadUndoAction> m_stckRedo;

    KSpreadDoc *m_pDoc;

    bool m_bLocked;
};

kspread'KSpreadUndo::KSpreadUndo() (./koffice/kspread/kspread_undo.cc:35)

KSpreadUndo::KSpreadUndo( KSpreadDoc *_doc )
{
    m_pDoc = _doc;

    m_stckUndo.setAutoDelete( FALSE );
    m_stckRedo.setAutoDelete( FALSE );

    m_bLocked = FALSE;
}

kspread'KSpreadUndo::~KSpreadUndo() (./koffice/kspread/kspread_undo.cc:45)

KSpreadUndo::~KSpreadUndo()
{
    clear();
}

kspread'KSpreadUndo::appendUndo() (./koffice/kspread/kspread_undo.cc:50)

void KSpreadUndo::appendUndo( KSpreadUndoAction *_action )
{
    if ( m_bLocked )
	return;

    m_stckRedo.setAutoDelete( TRUE );
    m_stckRedo.clear();
    m_stckRedo.setAutoDelete( FALSE );

    m_stckUndo.push( _action );

    if ( m_pDoc )
    {
	m_pDoc->enableUndo( hasUndoActions() );
	m_pDoc->enableRedo( hasRedoActions() );
    }
}

kspread'KSpreadUndo::clear() (./koffice/kspread/kspread_undo.cc:68)

void KSpreadUndo::clear()
{
    if ( m_bLocked )
	return;

    m_stckUndo.setAutoDelete( TRUE );
    m_stckRedo.setAutoDelete( TRUE );

    m_stckUndo.clear();
    m_stckRedo.clear();

    m_stckUndo.setAutoDelete( FALSE );
    m_stckRedo.setAutoDelete( FALSE );
}

kspread'KSpreadUndo::undo() (./koffice/kspread/kspread_undo.cc:83)

void KSpreadUndo::undo()
{
    if ( m_stckUndo.isEmpty() )
	return;
    KSpreadUndoAction *a = m_stckUndo.pop();
    a->undo();
    m_stckRedo.push( a );

    if ( m_pDoc )
    {
	m_pDoc->enableUndo( hasUndoActions() );
	m_pDoc->enableRedo( hasRedoActions() );
    }
}

kspread'KSpreadUndo::redo() (./koffice/kspread/kspread_undo.cc:98)

void KSpreadUndo::redo()
{
    if ( m_stckRedo.isEmpty() )
	return;
    KSpreadUndoAction *a = m_stckRedo.pop();
    a->redo();
    m_stckUndo.push( a );

    if ( m_pDoc )
    {
	m_pDoc->enableUndo( hasUndoActions() );
	m_pDoc->enableRedo( hasRedoActions() );
    }
}

/****************************************************************************
 *
 * KSpreadUndoDeleteColumn
 *
 ***************************************************************************/