forked from qt-creator/qt-creator
90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "normalindenter.h"
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#include "tabsettings.h"
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#include <QtGui/QTextDocument>
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using namespace TextEditor;
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NormalIndenter::NormalIndenter()
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{}
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NormalIndenter::~NormalIndenter()
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{}
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// Indent a text block based on previous line.
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// Simple text paragraph layout:
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// aaaa aaaa
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//
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// bbb bb
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// bbb bb
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//
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// - list
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// list line2
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//
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// - listn
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//
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// ccc
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//
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// @todo{Add formatting to wrap paragraphs. This requires some
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// hoops as the current indentation routines are not prepared
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// for additional block being inserted. It might be possible
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// to do in 2 steps (indenting/wrapping)}
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//
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void NormalIndenter::doIndentBlock(QTextDocument *doc,
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QTextBlock block,
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QChar typedChar,
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const TextEditor::TabSettings &ts)
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{
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Q_UNUSED(typedChar)
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// At beginning: Leave as is.
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if (block == doc->begin())
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return;
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const QTextBlock previous = block.previous();
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const QString previousText = previous.text();
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// Empty line indicates a start of a new paragraph. Leave as is.
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if (previousText.isEmpty() || previousText.trimmed().isEmpty())
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return;
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// Just use previous line.
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// Skip blank characters when determining the indentation
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int i = 0;
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while (i < previousText.size()) {
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if (!previousText.at(i).isSpace()) {
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ts.indentLine(block, ts.columnAt(previousText, i));
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break;
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}
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++i;
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}
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}
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