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// Copyright (C) 2022 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 QPDFPAGENAVIGATOR_H
#define QPDFPAGENAVIGATOR_H
#include <QtPdf/qtpdfglobal.h>
#include <QtPdf/qpdflink.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
struct QPdfPageNavigatorPrivate;
class Q_PDF_EXPORT QPdfPageNavigator : public QObject
{
Q_OBJECT
Q_PROPERTY(int currentPage READ currentPage NOTIFY currentPageChanged)
Q_PROPERTY(QPointF currentLocation READ currentLocation NOTIFY currentLocationChanged)
Q_PROPERTY(qreal currentZoom READ currentZoom NOTIFY currentZoomChanged)
Q_PROPERTY(bool backAvailable READ backAvailable NOTIFY backAvailableChanged)
Q_PROPERTY(bool forwardAvailable READ forwardAvailable NOTIFY forwardAvailableChanged)
public:
QPdfPageNavigator() : QPdfPageNavigator(nullptr) {}
explicit QPdfPageNavigator(QObject *parent);
~QPdfPageNavigator() override;
int currentPage() const;
QPointF currentLocation() const;
qreal currentZoom() const;
bool backAvailable() const;
bool forwardAvailable() const;
public Q_SLOTS:
void clear();
void jump(QPdfLink destination);
void jump(int page, const QPointF &location, qreal zoom = 0);
void update(int page, const QPointF &location, qreal zoom);
void forward();
void back();
Q_SIGNALS:
void currentPageChanged(int page);
void currentLocationChanged(QPointF location);
void currentZoomChanged(qreal zoom);
void backAvailableChanged(bool available);
void forwardAvailableChanged(bool available);
void jumped(QPdfLink current);
protected:
QPdfLink currentLink() const;
private:
QScopedPointer<QPdfPageNavigatorPrivate> d;
};
QT_END_NAMESPACE
#endif // QPDFPAGENAVIGATOR_H
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