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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "normalindenter.h"
#include "tabsettings.h"
#include <QtGui/QTextDocument>
using namespace TextEditor;
NormalIndenter::NormalIndenter()
{}
NormalIndenter::~NormalIndenter()
{}
// Indent a text block based on previous line.
// Simple text paragraph layout:
// aaaa aaaa
//
// bbb bb
// bbb bb
//
// - list
// list line2
//
// - listn
//
// ccc
//
// @todo{Add formatting to wrap paragraphs. This requires some
// hoops as the current indentation routines are not prepared
// for additional block being inserted. It might be possible
// to do in 2 steps (indenting/wrapping)}
//
void NormalIndenter::doIndentBlock(QTextDocument *doc,
QTextBlock block,
QChar typedChar,
const TextEditor::TabSettings &ts)
{
Q_UNUSED(typedChar)
// At beginning: Leave as is.
if (block == doc->begin())
return;
const QTextBlock previous = block.previous();
const QString previousText = previous.text();
// Empty line indicates a start of a new paragraph. Leave as is.
if (previousText.isEmpty() || previousText.trimmed().isEmpty())
return;
// Just use previous line.
// Skip blank characters when determining the indentation
int i = 0;
while (i < previousText.size()) {
if (!previousText.at(i).isSpace()) {
ts.indentLine(block, ts.columnAt(previousText, i));
break;
}
++i;
}
}
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