File indexing completed on 2024-05-12 05:53:27

 /*
     SPDX-FileCopyrightText: 1997, 1998 Lars Doelle <lars.doelle@on-line.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 // Own
 #include "CompactHistoryType.h"
 
 #include "CompactHistoryScroll.h"
 
 using namespace Konsole;
 
 // Reasonable line size
 static const int LINE_SIZE = 1024;
 
 CompactHistoryType::CompactHistoryType(unsigned int nbLines)
     : _maxLines(nbLines)
 {
 }
 
 bool CompactHistoryType::isEnabled() const
 {
     return true;
 }
 
 int CompactHistoryType::maximumLineCount() const
 {
     return _maxLines;
 }
 
 void CompactHistoryType::scroll(std::unique_ptr<HistoryScroll> &old) const
 {
     if (auto *newBuffer = dynamic_cast<CompactHistoryScroll *>(old.get())) {
         newBuffer->setMaxNbLines(_maxLines);
         return;
     }
     auto newScroll = std::make_unique<CompactHistoryScroll>(_maxLines);
 
     Character line[LINE_SIZE];
     int lines = (old != nullptr) ? old->getLines() : 0;
     int i = qMax((lines - (int)_maxLines), 0);
     std::vector<Character> tmp_line;
     for (; i < lines; i++) {
         int size = old->getLineLen(i);
         if (size > LINE_SIZE) {
             tmp_line.resize(size);
             old->getCells(i, 0, size, tmp_line.data());
             newScroll->addCellsMove(tmp_line.data(), size);
             newScroll->addLine(old->getLineProperty(i));
         } else {
             old->getCells(i, 0, size, line);
             newScroll->addCells(line, size);
             newScroll->addLine(old->getLineProperty(i));
         }
     }
     old = std::move(newScroll);
 }