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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 "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 preferSingleLineCommentsKey[] = "PreferSingleLineComments";
static const char groupPostfix[] = "TypingSettings";
namespace TextEditor {
TypingSettings::TypingSettings():
m_autoIndent(true),
m_tabKeyBehavior(TabNeverIndents),
m_smartBackspaceBehavior(BackspaceNeverIndents),
m_preferSingleLineComments(false)
{
}
void TypingSettings::toSettings(const QString &category, QSettings *s) const
{
Utils::toSettings(QLatin1String(groupPostfix), category, s, this);
}
void TypingSettings::fromSettings(const QString &category, QSettings *s)
{
*this = TypingSettings(); // Assign defaults
Utils::fromSettings(QLatin1String(groupPostfix), category, s, this);
}
QVariantMap TypingSettings::toMap() const
{
return {
{autoIndentKey, m_autoIndent},
{tabKeyBehaviorKey, m_tabKeyBehavior},
{smartBackspaceBehaviorKey, m_smartBackspaceBehavior},
{preferSingleLineCommentsKey, m_preferSingleLineComments}
};
}
void TypingSettings::fromMap(const QVariantMap &map)
{
m_autoIndent = map.value(autoIndentKey, m_autoIndent).toBool();
m_tabKeyBehavior = (TabKeyBehavior) map.value(tabKeyBehaviorKey, m_tabKeyBehavior).toInt();
m_smartBackspaceBehavior = (SmartBackspaceBehavior)map.value(
smartBackspaceBehaviorKey, m_smartBackspaceBehavior).toInt();
m_preferSingleLineComments =
map.value(preferSingleLineCommentsKey, m_preferSingleLineComments).toBool();
}
bool TypingSettings::equals(const TypingSettings &ts) const
{
return m_autoIndent == ts.m_autoIndent
&& m_tabKeyBehavior == ts.m_tabKeyBehavior
&& m_smartBackspaceBehavior == ts.m_smartBackspaceBehavior
&& m_preferSingleLineComments == ts.m_preferSingleLineComments;
}
bool TypingSettings::tabShouldIndent(const QTextDocument *document,
const 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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