okular/core/textpage_p.h
2021-06-10 08:11:56 +00:00

76 lines
2.1 KiB
C++

/*
SPDX-FileCopyrightText: 2006 Tobias Koenig <tokoe@kde.org>
SPDX-FileCopyrightText: 2007 Pino Toscano <pino@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef _OKULAR_TEXTPAGE_P_H_
#define _OKULAR_TEXTPAGE_P_H_
#include <QList>
#include <QMap>
#include <QPair>
#include <QTransform>
class SearchPoint;
/**
* Memory-optimized storage of a TextEntity. Stores a string and its bounding box.
*
* When a generator adds a TextEntity to a TextPage, it is internally stored as TinyTextEntity.
* TinyTextEntity is also internally used to get the geometry of text selections and highlight areas.
*
* @see TextEntity
*/
class TinyTextEntity;
class RegionText;
namespace Okular
{
class PagePrivate;
typedef QList<TinyTextEntity *> TextList;
/**
* Returns whether the two strings match.
* Satisfies the condition that if two strings match then their lengths are equal.
*/
typedef bool (*TextComparisonFunction)(const QStringRef &from, const QStringRef &to);
/**
* A list of RegionText. It keeps a bunch of TextList with their bounding rectangles
*/
typedef QList<RegionText> RegionTextList;
class TextPagePrivate
{
public:
TextPagePrivate();
~TextPagePrivate();
RegularAreaRect *findTextInternalForward(int searchID, const QString &query, TextComparisonFunction comparer, const TextList::ConstIterator &start, int start_offset, const TextList::ConstIterator &end);
RegularAreaRect *findTextInternalBackward(int searchID, const QString &query, TextComparisonFunction comparer, const TextList::ConstIterator &start, int start_offset, const TextList::ConstIterator &end);
/**
* Copy a TextList to m_words, the pointers of list are adopted
*/
void setWordList(const TextList &list);
/**
* Make necessary modifications in the TextList to make the text order correct, so
* that textselection works fine
*/
void correctTextOrder();
// variables those can be accessed directly from TextPage
TextList m_words;
QMap<int, SearchPoint *> m_searchPoints;
Page *m_page;
private:
RegularAreaRect *searchPointToArea(const SearchPoint *sp);
};
}
#endif