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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 "normalindenter.h"
#include "tabsettings.h"
#include <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::indentBlock(QTextDocument *doc,
const QTextBlock &block,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings)
{
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()) {
tabSettings.indentLine(block, tabSettings.columnAt(previousText, i));
break;
}
++i;
}
}
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