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Diffstat (limited to 'src/pdfquick/qquickpdfnavigationstack_p.h')
| -rw-r--r-- | src/pdfquick/qquickpdfnavigationstack_p.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/pdfquick/qquickpdfnavigationstack_p.h b/src/pdfquick/qquickpdfnavigationstack_p.h new file mode 100644 index 000000000..1d37a4a85 --- /dev/null +++ b/src/pdfquick/qquickpdfnavigationstack_p.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKPDFNAVIGATIONSTACK_P_H +#define QQUICKPDFNAVIGATIONSTACK_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 <QtPdfQuick/private/qtpdfquickglobal_p.h> +#include <QtPdfQuick/private/qquickpdfdocument_p.h> +#include <QtPdf/private/qpdfdestination_p.h> + +#include <QtQml/qqml.h> + +QT_BEGIN_NAMESPACE + +class Q_PDFQUICK_EXPORT QQuickPdfNavigationStack : 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: + explicit QQuickPdfNavigationStack(QObject *parent = nullptr); + + Q_INVOKABLE void push(int page, QPointF location, qreal zoom, bool emitJumped = true); + Q_INVOKABLE void update(int page, QPointF location, qreal zoom); + Q_INVOKABLE void forward(); + Q_INVOKABLE void back(); + + int currentPage() const; + QPointF currentLocation() const; + qreal currentZoom() const; + + bool backAvailable() const; + bool forwardAvailable() const; + +Q_SIGNALS: + void currentPageChanged(); + void currentLocationChanged(); + void currentZoomChanged(); + void backAvailableChanged(); + void forwardAvailableChanged(); + void jumped(int page, QPointF location, qreal zoom); + +private: + QList<QExplicitlySharedDataPointer<QPdfDestinationPrivate>> m_pageHistory; + int m_currentHistoryIndex = 0; + bool m_changing = false; + + Q_DISABLE_COPY(QQuickPdfNavigationStack) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickPdfNavigationStack) + +#endif // QQUICKPDFNAVIGATIONSTACK_P_H |