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/****************************************************************************
**
** 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 QQUICKPDFSELECTION_P_H
#define QQUICKPDFSELECTION_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 <QPointF>
#include <QPolygonF>
#include <QVariant>
#include <QtQml/qqml.h>
#include <QtQuick/qquickitem.h>
#include "qquickpdfdocument_p.h"
QT_BEGIN_NAMESPACE
class QPdfSelection;
class QQuickPdfSelection : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QQuickPdfDocument *document READ document WRITE setDocument NOTIFY documentChanged)
Q_PROPERTY(int page READ page WRITE setPage NOTIFY pageChanged)
Q_PROPERTY(qreal renderScale READ renderScale WRITE setRenderScale NOTIFY renderScaleChanged)
Q_PROPERTY(QPointF fromPoint READ fromPoint WRITE setFromPoint NOTIFY fromPointChanged)
Q_PROPERTY(QPointF toPoint READ toPoint WRITE setToPoint NOTIFY toPointChanged)
Q_PROPERTY(bool hold READ hold WRITE setHold NOTIFY holdChanged)
Q_PROPERTY(QString text READ text NOTIFY textChanged)
Q_PROPERTY(QList<QPolygonF> geometry READ geometry NOTIFY selectedAreaChanged)
public:
explicit QQuickPdfSelection(QQuickItem *parent = nullptr);
QQuickPdfDocument *document() const;
void setDocument(QQuickPdfDocument * document);
int page() const;
void setPage(int page);
qreal renderScale() const;
void setRenderScale(qreal scale);
QPointF fromPoint() const;
void setFromPoint(QPointF fromPoint);
QPointF toPoint() const;
void setToPoint(QPointF toPoint);
bool hold() const;
void setHold(bool hold);
QString text() const;
QList<QPolygonF> geometry() const;
Q_INVOKABLE void clear();
Q_INVOKABLE void selectAll();
#if QT_CONFIG(clipboard)
Q_INVOKABLE void copyToClipboard() const;
#endif
signals:
void documentChanged();
void pageChanged();
void renderScaleChanged();
void fromPointChanged();
void toPointChanged();
void holdChanged();
void textChanged();
void selectedAreaChanged();
protected:
#if QT_CONFIG(im)
void keyReleaseEvent(QKeyEvent *ev) override;
void inputMethodEvent(QInputMethodEvent *event) override;
Q_INVOKABLE QVariant inputMethodQuery(Qt::InputMethodQuery query, const QVariant &argument) const;
QVariant inputMethodQuery(Qt::InputMethodQuery query) const override;
#endif
private:
void resetPoints();
void updateResults();
void update(const QPdfSelection &sel, bool textAndGeometryOnly = false);
const QString &pageText() const;
private:
QQuickPdfDocument *m_document = nullptr;
mutable QPointF m_hitPoint;
QPointF m_fromPoint;
mutable QPointF m_toPoint;
qreal m_renderScale = 1;
mutable qreal m_heightAtAnchor = 0;
mutable qreal m_heightAtCursor = 0;
QString m_text; // selected text
mutable QString m_pageText; // all text on the page
QList<QPolygonF> m_geometry;
int m_page = 0;
int m_fromCharIndex = -1; // same as anchor position
mutable int m_toCharIndex = -1; // same as cursor position
bool m_hold = false;
mutable bool m_pageTextDirty = true;
Q_DISABLE_COPY(QQuickPdfSelection)
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QQuickPdfSelection)
#endif // QQUICKPDFSELECTION_P_H
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