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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include <texteditor/fontsettings.h>
#include <texteditor/syntaxhighlighter.h>
#include <texteditor/texteditorsettings.h>
#include <QObject>
#include <QPointer>
QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACE
namespace TextEditor {
class SyntaxHighlighterRunnerPrivate;
class TEXTEDITOR_EXPORT SyntaxHighlighterRunner : public QObject
{
Q_OBJECT
public:
using SyntaxHighlighterCreator = std::function<SyntaxHighlighter *()>;
SyntaxHighlighterRunner(SyntaxHighlighter *highlighter, QTextDocument *document, bool async);
virtual ~SyntaxHighlighterRunner();
void setExtraFormats(const QMap<int, QList<QTextLayout::FormatRange>> &formats);
void clearExtraFormats(const QList<int> &blockNumbers);
void clearAllExtraFormats();
void setFontSettings(const TextEditor::FontSettings &fontSettings);
void setLanguageFeaturesFlags(unsigned int flags);
void setEnabled(bool enabled);
void rehighlight();
void reformatBlocks(int from, int charsRemoved, int charsAdded);
QString definitionName();
void setDefinitionName(const QString &name);
QTextDocument *document() const { return m_document; }
bool useGenericHighlighter() const;
bool syntaxInfoUpdated() const { return m_syntaxInfoUpdated == SyntaxHighlighter::State::Done; }
signals:
void highlightingFinished();
private:
void applyFormatRanges(const QList<SyntaxHighlighter::Result> &results);
void changeDocument(int from, int charsRemoved, int charsAdded);
SyntaxHighlighterRunnerPrivate *d;
QPointer<QTextDocument> m_document = nullptr;
SyntaxHighlighter::State m_syntaxInfoUpdated = SyntaxHighlighter::State::Done;
struct HighlightingStatus
{
int m_from = 0;
int m_addedChars = 0;
int m_current = 0;
int m_removedChars = 0;
int m_newFrom = 0;
bool m_interruptionRequested = false;
void notInterrupted(int from, int charsRemoved, int charsAdded);
void interrupted(int from, int charsRemoved, int charsAdded);
void applyNewFrom();
} m_highlightingStatus;
bool m_useGenericHighlighter = false;
QString m_definitionName;
std::optional<QThread> m_thread;
TextDocumentLayout::FoldValidator m_foldValidator;
};
} // namespace TextEditor
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