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/****************************************************************************
**
** Copyright (C) 2012 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 "typingsettings.h"
#include <utils/settingsutils.h>
#include <QTextCursor>
#include <QTextDocument>
static const char autoIndentKey[] = "AutoIndent";
static const char tabKeyBehaviorKey[] = "TabKeyBehavior";
static const char smartBackspaceBehaviorKey[] = "SmartBackspaceBehavior";
static const char groupPostfix[] = "TypingSettings";
namespace TextEditor {
TypingSettings::TypingSettings():
m_autoIndent(true),
m_tabKeyBehavior(TabNeverIndents),
m_smartBackspaceBehavior(BackspaceNeverIndents)
{
}
void TypingSettings::toSettings(const QString &category, QSettings *s) const
{
Utils::toSettings(QLatin1String(groupPostfix), category, s, this);
}
void TypingSettings::fromSettings(const QString &category, const QSettings *s)
{
*this = TypingSettings(); // Assign defaults
Utils::fromSettings(QLatin1String(groupPostfix), category, s, this);
}
void TypingSettings::toMap(const QString &prefix, QVariantMap *map) const
{
map->insert(prefix + QLatin1String(autoIndentKey), m_autoIndent);
map->insert(prefix + QLatin1String(tabKeyBehaviorKey), m_tabKeyBehavior);
map->insert(prefix + QLatin1String(smartBackspaceBehaviorKey), m_smartBackspaceBehavior);
}
void TypingSettings::fromMap(const QString &prefix, const QVariantMap &map)
{
m_autoIndent = map.value(prefix + QLatin1String(autoIndentKey), m_autoIndent).toBool();
m_tabKeyBehavior = (TabKeyBehavior)
map.value(prefix + QLatin1String(tabKeyBehaviorKey), m_tabKeyBehavior).toInt();
m_smartBackspaceBehavior = (SmartBackspaceBehavior)
map.value(prefix + QLatin1String(smartBackspaceBehaviorKey),
m_smartBackspaceBehavior).toInt();
}
bool TypingSettings::equals(const TypingSettings &ts) const
{
return m_autoIndent == ts.m_autoIndent
&& m_tabKeyBehavior == ts.m_tabKeyBehavior
&& m_smartBackspaceBehavior == ts.m_smartBackspaceBehavior;
}
bool TypingSettings::tabShouldIndent(const QTextDocument *document, QTextCursor cursor, int *suggestedPosition) const
{
if (m_tabKeyBehavior == TabNeverIndents)
return false;
QTextCursor tc = cursor;
if (suggestedPosition)
*suggestedPosition = tc.position(); // At least suggest original position
tc.movePosition(QTextCursor::StartOfLine);
if (tc.atBlockEnd()) // cursor was on a blank line
return true;
if (document->characterAt(tc.position()).isSpace()) {
tc.movePosition(QTextCursor::WordRight);
if (tc.positionInBlock() >= cursor.positionInBlock()) {
if (suggestedPosition)
*suggestedPosition = tc.position(); // Suggest position after whitespace
if (m_tabKeyBehavior == TabLeadingWhitespaceIndents)
return true;
}
}
return (m_tabKeyBehavior == TabAlwaysIndents);
}
} // namespace TextEditor
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