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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://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 http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef SEMANTICHIGHLIGHTER_H
#define SEMANTICHIGHLIGHTER_H
#include "cppsemanticinfo.h"
#include "cpptools_global.h"
#include <texteditor/textdocument.h>
#include <texteditor/semantichighlighter.h>
#include <QFutureWatcher>
#include <QScopedPointer>
#include <QTextEdit>
#include <functional>
namespace CppTools {
class CPPTOOLS_EXPORT SemanticHighlighter : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(SemanticHighlighter)
public:
enum Kind {
Unknown = 0,
TypeUse,
LocalUse,
FieldUse,
EnumerationUse,
VirtualMethodUse,
LabelUse,
MacroUse,
FunctionUse,
PseudoKeywordUse,
StringUse
};
typedef std::function<QFuture<TextEditor::HighlightingResult> ()> HighlightingRunner;
public:
explicit SemanticHighlighter(TextEditor::TextDocument *baseTextDocument);
~SemanticHighlighter();
void setHighlightingRunner(HighlightingRunner highlightingRunner);
void run();
private slots:
void onDocumentFontSettingsChanged();
void onHighlighterResultAvailable(int from, int to);
void onHighlighterFinished();
private:
void connectWatcher();
void disconnectWatcher();
unsigned documentRevision() const;
void updateFormatMapFromFontSettings();
private:
TextEditor::TextDocument *m_baseTextDocument;
unsigned m_revision;
QScopedPointer<QFutureWatcher<TextEditor::HighlightingResult>> m_watcher;
QHash<int, QTextCharFormat> m_formatMap;
HighlightingRunner m_highlightingRunner;
};
} // namespace CppTools
#endif // SEMANTICHIGHLIGHTER_H
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