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/* poppler-link.h: qt interface to poppler
* Copyright (C) 2006, Albert Astals Cid <[email protected]>
* Adapting code from
* Copyright (C) 2004 by Enrico Ros <[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, 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 _POPPLER_LINK_H_
#define _POPPLER_LINK_H_
#include <qstring.h>
#include <qrect.h>
namespace Poppler {
class LinkDestinationData;
class LinkDestination
{
public:
enum Kind
{
destXYZ = 1,
destFit = 2,
destFitH = 3,
destFitV = 4,
destFitR = 5,
destFitB = 6,
destFitBH = 7,
destFitBV = 8
};
LinkDestination(const LinkDestinationData &data);
LinkDestination(const QString &description);
// Accessors.
Kind kind() const;
int pageNumber() const;
double left() const;
double bottom() const;
double right() const;
double top() const;
double zoom() const;
bool isChangeLeft() const;
bool isChangeTop() const;
bool isChangeZoom() const;
QString toString() const;
private:
Kind m_kind; // destination type
int m_pageNum; // page number
double m_left, m_bottom; // position
double m_right, m_top;
double m_zoom; // zoom factor
bool m_changeLeft, m_changeTop; // for destXYZ links, which position
bool m_changeZoom; // components to change
};
/**
* @short Encapsulates data that describes a link.
*
* This is the base class for links. It makes mandatory for inherited
* widgets to reimplement the 'linkType' method and return the type of
* the link described by the reimplemented class.
*/
class Link
{
public:
Link( const QRect &linkArea );
// get link type (inherited classes mustreturn an unique identifier)
enum LinkType { None, Goto, Execute, Browse, Action, Movie };
virtual LinkType linkType() const;
// virtual destructor
virtual ~Link();
QRect linkArea() const;
private:
QRect m_linkArea;
};
/** Goto: a viewport and maybe a reference to an external filename **/
class LinkGoto : public Link
{
public:
LinkGoto( const QRect &linkArea, QString extFileName, const LinkDestination & destination );
// query for goto parameters
bool isExternal() const;
const QString & fileName() const;
const LinkDestination & destination() const;
LinkType linkType() const;
private:
QString m_extFileName;
LinkDestination m_destination;
};
/** Execute: filename and parameters to execute **/
class LinkExecute : public Link
{
public:
// query for filename / parameters
const QString & fileName() const;
const QString & parameters() const;
// create a Link_Execute
LinkExecute( const QRect &linkArea, const QString & file, const QString & params );
LinkType linkType() const;
private:
QString m_fileName;
QString m_parameters;
};
/** Browse: an URL to open, ranging from 'http://' to 'mailto:' etc.. **/
class LinkBrowse : public Link
{
public:
// query for URL
const QString & url() const;
// create a Link_Browse
LinkBrowse( const QRect &linkArea, const QString &url );
LinkType linkType() const;
private:
QString m_url;
};
/** Action: contains an action to perform on document / viewer **/
class LinkAction : public Link
{
public:
// define types of actions
enum ActionType { PageFirst = 1,
PagePrev = 2,
PageNext = 3,
PageLast = 4,
HistoryBack = 5,
HistoryForward = 6,
Quit = 7,
Presentation = 8,
EndPresentation = 9,
Find = 10,
GoToPage = 11,
Close = 12 };
// query for action type
ActionType actionType() const;
// create a Link_Action
LinkAction( const QRect &linkArea, ActionType actionType );
LinkType linkType() const;
private:
ActionType m_type;
};
/** Movie: Not yet defined -> think renaming to 'Media' link **/
class LinkMovie : public Link
// TODO this (Movie link)
{
public:
LinkMovie( const QRect &linkArea );
LinkType linkType() const;
};
}
#endif
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