File indexing completed on 2024-04-28 05:50:42 

0001 /*
0002     SPDX-FileCopyrightText: 1997, 1998 Lars Doelle <lars.doelle@on-line.de>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 
0007 #ifndef HISTORYTYPE_H
0008 #define HISTORYTYPE_H
0009 
0010 #include "HistoryScroll.h"
0011 #include "konsoleprivate_export.h"
0012 
0013 namespace Konsole
0014 {
0015 class KONSOLEPRIVATE_EXPORT HistoryType
0016 {
0017 public:
0018     HistoryType();
0019     virtual ~HistoryType();
0020 
0021     /**
0022      * Returns true if the history is enabled ( can store lines of output )
0023      * or false otherwise.
0024      */
0025     virtual bool isEnabled() const = 0;
0026     /**
0027      * Returns the maximum number of lines which this history type
0028      * can store or -1 if the history can store an unlimited number of lines.
0029      */
0030     virtual int maximumLineCount() const = 0;
0031     /**
0032      * Converts from one type of HistoryScroll to another or if given the
0033      * same type, returns it.
0034      */
0035     virtual void scroll(std::unique_ptr<HistoryScroll> &) const = 0;
0036     /**
0037      * Returns true if the history size is unlimited.
0038      */
0039     bool isUnlimited() const;
0040 };
0041 
0042 }
0043 
0044 #endif