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// -*- C++ -*-
/***************************************************************************
* Copyright (C) 2005 by Stefan Kebekus *
* [email protected] *
* *
* 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. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef _bookmarks_h_
#define _bookmarks_h_
#include "anchor.h"
#include <qptrlist.h>
#include <qstring.h>
/** \brief Bookmark
This class represents a bookmark. It contains the bookmark text, an
anchor that represents the target of the bookmark, and a list of
subordinate bookmarks.
@warning The list of subordinate bookmarks owns its entries,
i.e. autoDelete() is set to true. Thus, extra care must be taken when
copying bookmarks. Otherwise, a segfault could result.
*/
class Bookmark {
public:
/** Default constructor.
Constructs an invalid bookmark with an empty bookMarkText and an
invalid position
*/
Bookmark() {subordinateBookmarks.setAutoDelete(true);}
/** Constructs a bookmark with given a text and anchor
@param text name of the bookmark, as it appears in the GUI
@param pos an Anchor that specifies the position of the bookmark
*/
Bookmark(const QString &text, const Anchor &pos) {
Bookmark();
bookmarkText = text;
position = pos;
}
/** Convenience funtion, behaves as Bookmark(const QString &text, const Anchor &pos)
@param text name of the bookmark, as it appears in the GUI
@param page number of the where the bookmark lives. Recall the
convention that '0' is an invalid page, the first page is '1'
@param distance_from_top position on the page, distance from
top of the page
*/
Bookmark(const QString& text, const PageNumber& page, const Length& distance_from_top) {
Bookmark();
bookmarkText = text;
position.page = page;
position.distance_from_top = distance_from_top;
}
/** Label of the bookmark as it will appear in the GUI to the user,
such as "Section 1", "Theorem 12", etc. */
QString bookmarkText;
/** The anchor that specifies the position of the bookmark */
Anchor position;
/** List of subordinate bookmarks
Bookmarks generally come in trees, and some bookmarks can have
subordinate bookmarks. For instance, the bookmark that
respresents a chapter heading would have headings of subsections
as subordinate bookmarks. These are contained in this list.
@warning This list owns its entries, e.g. autoDelete() is set to
true. Thus, extra care must be taken when copying this
list. Otherwise, a segfault could result.
*/
QPtrList<Bookmark> subordinateBookmarks;
// Returns true if the bookmark is valid, false otherwise. A
// bookmark is valid if the text is not empty and the anchor is
// valid.
bool isValid() const {return (!bookmarkText.isEmpty()) && position.isValid();}
};
#endif
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