mirror of
https://invent.kde.org/graphics/okular
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321 lines
7.9 KiB
C++
321 lines
7.9 KiB
C++
/***************************************************************************
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* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef _OKULAR_LINK_H_
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#define _OKULAR_LINK_H_
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#include "okular_export.h"
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#include <QtCore/QString>
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#include "document.h" // for DocumentViewport
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namespace Okular {
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class Sound;
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/**
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* @short Encapsulates data that describes a link.
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*
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* This is the base class for links. It makes mandatory for inherited
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* widgets to reimplement the 'linkType' method and return the type of
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* the link described by the reimplemented class.
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*/
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class OKULAR_EXPORT Link
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{
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public:
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/**
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* Describes the type of link.
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*/
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enum LinkType {
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Goto, ///< Goto a given page or external document
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Execute, ///< Execute a command or external application
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Browse, ///< Browse a given website
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Action, ///< Start a custom action
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Sound, ///< Play a sound
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Movie ///< Play a movie
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};
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/**
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* Destroys the link.
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*/
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virtual ~Link();
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/**
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* Returns the type of the link. Every inherited class must return
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* an unique identifier.
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*
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* @see LinkType
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*/
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virtual LinkType linkType() const = 0;
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/**
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* Returns a i18n'ed tip of the link action that is presented to
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* the user.
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*/
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virtual QString linkTip() const;
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};
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/**
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* The Goto link changes the viewport to another page
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* or loads an external document.
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*/
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class OKULAR_EXPORT LinkGoto : public Link
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{
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public:
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/**
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* Creates a new goto link.
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*
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* @p fileName The name of an external file that shall be loaded.
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* @p viewport The target viewport information of the current document.
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*/
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LinkGoto( QString fileName, const DocumentViewport & viewport );
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/**
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* Returns the link type.
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*/
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LinkType linkType() const;
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/**
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* Returns the link tip.
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*/
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QString linkTip() const;
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/**
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* Returns whether the goto link points to an external document.
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*/
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bool isExternal() const;
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/**
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* Returns the filename of the external document.
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*/
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QString fileName() const;
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/**
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* Returns the document viewport the goto link points to.
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*/
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DocumentViewport destViewport() const;
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private:
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QString m_extFileName;
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DocumentViewport m_vp;
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};
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/**
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* The Execute link executes an external application.
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*/
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class OKULAR_EXPORT LinkExecute : public Link
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{
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public:
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/**
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* Creates a new execute link.
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*
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* @param fileName The file name of the application to execute.
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* @param parameters The parameters of the application to execute.
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*/
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LinkExecute( const QString &fileName, const QString ¶meters );
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/**
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* Returns the link type.
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*/
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LinkType linkType() const;
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/**
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* Returns the link tip.
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*/
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QString linkTip() const;
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/**
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* Returns the file name of the application to execute.
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*/
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QString fileName() const;
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/**
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* Returns the parameters of the application to execute.
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*/
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QString parameters() const;
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private:
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QString m_fileName;
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QString m_parameters;
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};
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/**
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* The Browse link browses an url by opening a web browser or
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* email client, depedning on the url protocol (e.g. http, mailto, etc.).
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*/
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class OKULAR_EXPORT LinkBrowse : public Link
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{
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public:
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/**
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* Creates a new browse link.
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*
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* @param url The url to browse.
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*/
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LinkBrowse( const QString &url );
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/**
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* Returns the link type.
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*/
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LinkType linkType() const;
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/**
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* Returns the link tip.
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*/
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QString linkTip() const;
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/**
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* Returns the url to browse.
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*/
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QString url() const;
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private:
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QString m_url;
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};
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/**
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* The Action link contains an action that is performed on
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* the current document.
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*/
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class OKULAR_EXPORT LinkAction : public Link
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{
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public:
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/**
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* Describes the possible action types.
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*
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* WARNING KEEP IN SYNC WITH POPPLER!
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*/
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enum ActionType {
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PageFirst = 1, ///< Jump to first page
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PagePrev = 2, ///< Jump to previous page
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PageNext = 3, ///< Jump to next page
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PageLast = 4, ///< Jump to last page
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HistoryBack = 5, ///< Go back in page history
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HistoryForward = 6, ///< Go forward in page history
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Quit = 7, ///< Quit application
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Presentation = 8, ///< Start presentation
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EndPresentation = 9, ///< End presentation
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Find = 10, ///< Open find dialog
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GoToPage = 11, ///< Goto page
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Close = 12 ///< Close document
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};
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/**
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* Creates a new link action.
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*
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* @param actionType The type of action.
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*/
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LinkAction( enum ActionType actionType );
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/**
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* Returns the link type.
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*/
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LinkType linkType() const;
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/**
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* Returns the link tip.
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*/
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QString linkTip() const;
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/**
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* Returns the type of action.
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*/
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ActionType actionType() const;
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private:
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ActionType m_type;
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};
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/**
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* The Sound link plays a sound on activation.
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*/
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class OKULAR_EXPORT LinkSound : public Link
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{
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public:
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/**
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* Creates a new sound link.
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*
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* @param volume The volume of the sound.
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* @param synchronous Whether the sound shall be played synchronous.
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* @param repeat Whether the sound shall be repeated.
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* @param mix Whether the sound shall be mixed.
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* @param sound The sound object which contains the sound data.
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*/
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LinkSound( double volume, bool synchronous, bool repeat, bool mix, Okular::Sound *sound );
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/**
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* Returns the link type.
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*/
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LinkType linkType() const;
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/**
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* Returns the link tip.
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*/
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QString linkTip() const;
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/**
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* Returns the volume of the sound.
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*/
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double volume() const;
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/**
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* Returns whether the sound shall be played synchronous.
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*/
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bool synchronous() const;
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/**
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* Returns whether the sound shall be repeated.
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*/
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bool repeat() const;
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/**
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* Returns whether the sound shall be mixed.
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*/
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bool mix() const;
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/**
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* Returns the sound object which contains the sound data.
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*/
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Okular::Sound *sound() const;
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private:
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double m_volume;
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bool m_sync;
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bool m_repeat;
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bool m_mix;
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Okular::Sound *m_sound;
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};
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/**
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* The Movie link plays a video on activation.
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*/
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class LinkMovie : public Link
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{
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public:
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/**
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* Creates a new movie link.
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*/
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LinkMovie();
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/**
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* Returns the link type.
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*/
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LinkType linkType() const;
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/**
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* Returns the link tip.
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*/
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QString linkTip() const;
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};
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}
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#endif
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