qquicktextdocument_p.h

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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QQUICKTEXTDOCUMENT_P_H
#define QQUICKTEXTDOCUMENT_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include "qquicktextdocument.h"
 
#include <QtGui/qabstracttextdocumentlayout.h>
#include <QtGui/qtextdocument.h>
#include <QtGui/qtextdocumentfragment.h>
#include <QtGui/qtextformat.h>
#include <QtCore/qrect.h>
#include <QtCore/private/qobject_p_p.h>
 
#if QT_CONFIG(mimetype)
#include <QtCore/qmimedatabase.h>
#endif
 
QT_BEGIN_NAMESPACE
 
class QQuickPixmap;
class QQuickTextEdit;
 
class QQuickTextImageHandler : public QObject, public QTextObjectInterface
{
    Q_OBJECT
    Q_INTERFACES(QTextObjectInterface)
public:
    QQuickTextImageHandler(QObject *parent = nullptr);
    ~QQuickTextImageHandler() override = default;
    QSizeF intrinsicSize(QTextDocument *doc, int posInDocument, const QTextFormat &format) override;
    void drawObject(QPainter *, const QRectF &, QTextDocument *, int, const QTextFormat &) override { }
};
 
class QQuickTextDocumentPrivate : public QObjectPrivate
{
    Q_DECLARE_PUBLIC(QQuickTextDocument)
public:
    static QQuickTextDocumentPrivate *get(QQuickTextDocument *doc) { return doc->d_func(); }
    static const QQuickTextDocumentPrivate *get(const QQuickTextDocument *doc) { return doc->d_func(); }
 
    void load();
    void writeTo(const QUrl &fileUrl);
    QTextDocument *document() const;
    void setDocument(QTextDocument *doc);
    void setStatus(QQuickTextDocument::Status s, const QString &err);
 
    // so far the QQuickItem given to the QQuickTextDocument ctor is always a QQuickTextEdit
    QQuickTextEdit *editor = nullptr;
    QUrl url;
    QString errorString;
    Qt::TextFormat detectedFormat = Qt::AutoText; // url's extension, independent of TextEdit.textFormat
    std::optional<QStringConverter::Encoding> encoding; // only relevant for HTML (Qt::RichText)
    QQuickTextDocument::Status status = QQuickTextDocument::Status::Null;
};
 
namespace QtPrivate {
class ProtectedLayoutAccessor: public QAbstractTextDocumentLayout
{
public:
    inline QTextCharFormat formatAccessor(int pos)
    {
        return format(pos);
    }
};
} // namespace QtPrivate
 
QT_END_NAMESPACE
 
#endif // QQUICKTEXTDOCUMENT_P_H