qabstracttextdocumentlayout_p.h

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// Copyright (C) 2016 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 QABSTRACTTEXTDOCUMENTLAYOUT_P_H

#define QABSTRACTTEXTDOCUMENTLAYOUT_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 <QtGui/private/qtguiglobal_p.h>

#include "private/qobject_p.h"

#include "qtextdocument_p.h"

#include "qabstracttextdocumentlayout.h"

#include "QtCore/qhash.h"

#include <QtCore/qpointer.h>

QT_BEGIN_NAMESPACE

struct QTextObjectHandler

    QTextObjectHandler() : iface(nullptr) {}

    QTextObjectInterface *iface;

    QPointer<QObject> component;

};

typedef QHash<int, QTextObjectHandler> HandlerHash;

class Q_GUI_EXPORT QAbstractTextDocumentLayoutPrivate : public QObjectPrivate

public:

    Q_DECLARE_PUBLIC(QAbstractTextDocumentLayout)

    inline QAbstractTextDocumentLayoutPrivate()

        : paintDevice(nullptr) {}

    ~QAbstractTextDocumentLayoutPrivate();

    inline void setDocument(QTextDocument *doc) {

        document = doc;

        docPrivate = nullptr;

        if (doc)

            docPrivate = QTextDocumentPrivate::get(doc);

    static QAbstractTextDocumentLayoutPrivate *get(QAbstractTextDocumentLayout *layout)

        return layout->d_func();

    bool hasHandlers() const

        return !handlers.isEmpty();

    inline int _q_dynamicPageCountSlot() const

    { return q_func()->pageCount(); }

    inline QSizeF _q_dynamicDocumentSizeSlot() const

    { return q_func()->documentSize(); }

    HandlerHash handlers;

    void _q_handlerDestroyed(QObject *obj);

    QPaintDevice *paintDevice;

    QTextDocument *document;

    QTextDocumentPrivate *docPrivate;

};

QT_END_NAMESPACE

#endif // QABSTRACTTEXTDOCUMENTLAYOUT_P_H