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kword'KWCommandHistory (./koffice/kword/kword_undo.h:91)

class KWCommandHistory : public QObject
{
    Q_OBJECT

public:
    KWCommandHistory();

    void addCommand( KWCommand *_command );
    void undo();
    void redo();

    QString getUndoName();
    QString getRedoName();

protected:
    QList<KWCommand> history;
    int current;

signals:
    void undoRedoChanged( QString, QString );

};

kword'KWCommandHistory::KWCommandHistory() (./koffice/kword/kword_undo.cc:180)

KWCommandHistory::KWCommandHistory()
    : current( -1 )
{
    history.setAutoDelete( true );
}

/*================================================================*/

kword'KWCommandHistory::addCommand() (./koffice/kword/kword_undo.cc:187)

void KWCommandHistory::addCommand( KWCommand *_command )
{
    if ( current < static_cast<int>( history.count() ) )
    {
        QList<KWCommand> _commands;
        _commands.setAutoDelete( false );

        for ( int i = 0; i < current; i++ )
        {
            _commands.insert( i, history.at( 0 ) );
            history.take( 0 );
        }

        _commands.append( _command );
        history.clear();
        history = _commands;
        history.setAutoDelete( true );
    }
    else
        history.append( _command );

    if ( history.count() > MAX_UNDO_REDO )
        history.removeFirst();
    else
        current++;

    emit undoRedoChanged( getUndoName(), getRedoName() );
}

/*================================================================*/

kword'KWCommandHistory::undo() (./koffice/kword/kword_undo.cc:217)

void KWCommandHistory::undo()
{
    if ( current > 0 )
    {
        history.at( current - 1 )->unexecute();
        current--;
        emit undoRedoChanged( getUndoName(), getRedoName() );
    }

}

/*================================================================*/

kword'KWCommandHistory::redo() (./koffice/kword/kword_undo.cc:229)

void KWCommandHistory::redo()
{
    if ( current < static_cast<int>( history.count() ) && current > -1 )
    {
        history.at( current )->execute();
        current++;
        emit undoRedoChanged( getUndoName(), getRedoName() );
    }
}

/*================================================================*/

kword'KWCommandHistory::getUndoName() (./koffice/kword/kword_undo.cc:240)

QString KWCommandHistory::getUndoName()
{
    if ( current > 0 )
        return history.at( current - 1 )->getName();
    else
        return QString();
}

/*================================================================*/

kword'KWCommandHistory::getRedoName() (./koffice/kword/kword_undo.cc:249)

QString KWCommandHistory::getRedoName()
{
    if ( current < static_cast<int>( history.count() ) && current > -1 )
        return history.at( current )->getName();
    else
        return QString();
}