qpdfsearchmodel.h

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// Copyright (C) 2020 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 QPDFSEARCHMODEL_H
#define QPDFSEARCHMODEL_H
 
#include <QtPdf/qtpdfglobal.h>
 
#include <QtCore/qabstractitemmodel.h>
#include <QtPdf/qpdfdocument.h>
#include <QtPdf/qpdflink.h>
 
QT_BEGIN_NAMESPACE
 
class QPdfSearchModelPrivate;
 
class Q_PDF_EXPORT QPdfSearchModel : public QAbstractListModel
{
    Q_OBJECT
    Q_PROPERTY(QPdfDocument *document READ document WRITE setDocument NOTIFY documentChanged)
    Q_PROPERTY(QString searchString READ searchString WRITE setSearchString NOTIFY searchStringChanged)
 
public:
    enum class Role : int {
        Page = Qt::UserRole,
        IndexOnPage,
        Location,
        ContextBefore,
        ContextAfter,
        NRoles
    };
    Q_ENUM(Role)
    QPdfSearchModel() : QPdfSearchModel(nullptr) {}
    explicit QPdfSearchModel(QObject *parent);
    ~QPdfSearchModel() override;
 
    QList<QPdfLink> resultsOnPage(int page) const;
    QPdfLink resultAtIndex(int index) const;
 
    QPdfDocument *document() const;
    QString searchString() const;
 
    QHash<int, QByteArray> roleNames() const override;
    int rowCount(const QModelIndex &parent) const override;
    QVariant data(const QModelIndex &index, int role) const override;
 
public Q_SLOTS:
    void setSearchString(const QString &searchString);
    void setDocument(QPdfDocument *document);
 
Q_SIGNALS:
    void documentChanged();
    void searchStringChanged();
 
protected:
    void updatePage(int page);
    void timerEvent(QTimerEvent *event) override;
    void onDocumentPageCountChanged(int count);
 
private:
    QHash<int, QByteArray> m_roleNames;
    Q_DECLARE_PRIVATE(QPdfSearchModel)
};
 
QT_END_NAMESPACE
 
#endif // QPDFSEARCHMODEL_H