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/****************************************************************************
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include <QTextDocument>
#include <QTextBlock>
#include <QTextCursor>
namespace Convenience {
bool convertPosition(const QTextDocument *document, int pos, int *line, int *column)
{
QTextBlock block = document->findBlock(pos);
if (!block.isValid()) {
(*line) = -1;
(*column) = -1;
return false;
} else {
(*line) = block.blockNumber() + 1;
(*column) = pos - block.position();
return true;
}
}
if (pos < 0)
pos = 0;
tc.movePosition(QTextCursor::End);
if (pos + length > tc.position())
length = tc.position() - pos;
tc.setPosition(pos);
tc.setPosition(pos + length, QTextCursor::KeepAnchor);
// selectedText() returns U+2029 (PARAGRAPH SEPARATOR) instead of newline
return tc.selectedText().replace(QChar::ParagraphSeparator, QLatin1Char('\n'));