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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.
**
****************************************************************************/
#ifndef AUTOCOMPLETER_H
#define AUTOCOMPLETER_H
#include "texteditor_global.h"
#include <QChar>
#include <QString>
QT_BEGIN_NAMESPACE
class QTextCursor;
QT_END_NAMESPACE
namespace TextEditor {
class TabSettings;
class TEXTEDITOR_EXPORT AutoCompleter
{
public:
AutoCompleter();
virtual ~AutoCompleter();
void setAutoParenthesesEnabled(bool b);
bool isAutoParenthesesEnabled() const;
void setSurroundWithEnabled(bool b);
bool isSurroundWithEnabled() const;
// Returns the text to complete at the cursor position, or an empty string
virtual QString autoComplete(QTextCursor &cursor, const QString &text) const;
// Handles backspace. When returning true, backspace processing is stopped
virtual bool autoBackspace(QTextCursor &cursor);
// Hook to insert special characters on enter. Returns the number of extra blocks inserted.
virtual int paragraphSeparatorAboutToBeInserted(QTextCursor &cursor,
const TabSettings &tabSettings);
virtual bool contextAllowsAutoParentheses(const QTextCursor &cursor,
const QString &textToInsert = QString()) const;
virtual bool contextAllowsElectricCharacters(const QTextCursor &cursor) const;
// Returns true if the cursor is inside a comment.
virtual bool isInComment(const QTextCursor &cursor) const;
virtual QString insertMatchingBrace(const QTextCursor &cursor, const
QString &text,
QChar la,
int *skippedChars) const;
// Returns the text that needs to be inserted
virtual QString insertParagraphSeparator(const QTextCursor &cursor) const;
protected:
static void countBracket(QChar open, QChar close, QChar c, int *errors, int *stillopen);
static void countBrackets(QTextCursor cursor, int from, int end, QChar open, QChar close,
int *errors, int *stillopen);
private:
mutable bool m_allowSkippingOfBlockEnd;
bool m_surroundWithEnabled;
bool m_autoParenthesesEnabled;
};
} // TextEditor
#endif // AUTOCOMPLETER_H
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