okular/interfaces/configinterface.h

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/***************************************************************************
* 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_CONFIGINTERFACE_H_
#define _OKULAR_CONFIGINTERFACE_H_
#include <okular/core/okular_export.h>
#include <QtCore/QObject>
class KConfigDialog;
namespace Okular {
/**
* @short Abstract interface for configuration control
*
* This interface defines a way to configure the Generator itself.
*
* How to use it in a custom Generator:
* @code
class MyGenerator : public Okular::Generator, public Okular::ConfigInterface
{
Q_OBJECT
Q_INTERFACES( Okular::ConfigInterface )
...
};
* @endcode
* and - of course - implementing its methods.
*/
class OKULAR_EXPORT ConfigInterface
{
public:
/**
* Destroys the config interface.
*/
virtual ~ConfigInterface() {}
/**
* This method is called to tell the generator to re-parse its configuration.
*
* Returns true if something has changed.
*
* @note this method can be called also when the generator is not the
* active generator, or when there was not changed in the config added
* by the generator itself. So the suggestion is to @b check whether
* something changed, and only in that case return @p true
*/
virtual bool reparseConfig() = 0;
/**
* This method allows the generator to add custom configuration pages to the
* config @p dialog of okular.
*/
virtual void addPages( KConfigDialog *dialog ) = 0;
};
}
Q_DECLARE_INTERFACE( Okular::ConfigInterface, "org.kde.okular.ConfigInterface/0.1" )
#endif