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/*
This file is part of Konsole, an X terminal.
Copyright 1997,1998 by Lars Doelle <lars.doelle@on-line.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
#ifndef HISTORYSCROLLFILE_H
#define HISTORYSCROLLFILE_H
// History
#include "HistoryFile.h"
#include "HistoryScroll.h"
namespace Konsole
{
//////////////////////////////////////////////////////////////////////
// File-based history (e.g. file log, no limitation in length)
//////////////////////////////////////////////////////////////////////
class HistoryScrollFile : public HistoryScroll
{
public:
explicit HistoryScrollFile();
~HistoryScrollFile() override;
int getLines() override;
int getMaxLines() override;
int getLineLen(int lineno) override;
void getCells(int lineno, int colno, int count, Character res[]) override;
bool isWrappedLine(int lineno) override;
LineProperty getLineProperty(int lineno) override;
void addCells(const Character text[], int count) override;
void addLine(LineProperty lineProperty = 0) override;
// Modify history
void removeCells() override;
int reflowLines(int columns) override;
private:
qint64 startOfLine(int lineno);
HistoryFile _index; // lines Row(qint64)
HistoryFile _cells; // text Row(Character)
HistoryFile _lineflags; // flags Row(unsigned char)
struct reflowData { // data to reflow lines
qint64 index;
bool lineFlag;
};
};
}
#endif
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