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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "textindenter.h"
#include <QTextDocument>
#include <QTextCursor>
using namespace TextEditor;
TextIndenter::TextIndenter(QTextDocument *doc)
: Indenter(doc)
{}
TextIndenter::~TextIndenter() = default;
IndentationForBlock TextIndenter::indentationForBlocks(const QVector<QTextBlock> &blocks,
const TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
IndentationForBlock ret;
for (QTextBlock block : blocks)
ret.insert(block.blockNumber(), indentFor(block, tabSettings));
return ret;
}
void TextIndenter::indentBlock(const QTextBlock &block,
const QChar &typedChar,
const TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
Q_UNUSED(typedChar);
const int indent = indentFor(block, tabSettings);
if (indent < 0)
return;
tabSettings.indentLine(block, indent);
}
void TextIndenter::indent(const QTextCursor &cursor,
const QChar &typedChar,
const TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
if (cursor.hasSelection()) {
QTextBlock block = m_doc->findBlock(cursor.selectionStart());
const QTextBlock end = m_doc->findBlock(cursor.selectionEnd()).next();
do {
indentBlock(block, typedChar, tabSettings);
block = block.next();
} while (block.isValid() && block != end);
} else {
indentBlock(cursor.block(), typedChar, tabSettings);
}
}
void TextIndenter::reindent(const QTextCursor &cursor,
const TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
if (cursor.hasSelection()) {
QTextBlock block = m_doc->findBlock(cursor.selectionStart());
const QTextBlock end = m_doc->findBlock(cursor.selectionEnd()).next();
// skip empty blocks
while (block.isValid() && block != end) {
QString bt = block.text();
if (tabSettings.firstNonSpace(bt) < bt.size())
break;
indentBlock(block, QChar::Null, tabSettings);
block = block.next();
}
int previousIndentation = tabSettings.indentationColumn(block.text());
indentBlock(block, QChar::Null, tabSettings);
int currentIndentation = tabSettings.indentationColumn(block.text());
int delta = currentIndentation - previousIndentation;
block = block.next();
while (block.isValid() && block != end) {
tabSettings.reindentLine(block, delta);
block = block.next();
}
} else {
indentBlock(cursor.block(), QChar::Null, tabSettings);
}
}
Utils::optional<TabSettings> TextIndenter::tabSettings() const
{
return Utils::optional<TabSettings>();
}
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