okular/core/textpage_p.h
David Hurka c61a9587ec Improve documentation of TextEntity stuff
Summary:
This adds some important documentation on TextEntity and other classes, and improves some of the existing documentation.

This includes changing parameter names from ‘rect’ to ‘area’, because I found ‘rect’ misleading.

Test Plan: Run doxygen

Reviewers: #okular, aacid

Reviewed By: #okular, aacid

Subscribers: aacid, yurchor, okular-devel

Tags: #okular

Differential Revision: https://phabricator.kde.org/D21271
2019-07-21 10:49:51 +02:00

89 lines
3.1 KiB
C++

/***************************************************************************
* Copyright (C) 2006 by Tobias Koenig <tokoe@kde.org> *
* Copyright (C) 2007 by Pino Toscano <pino@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#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