/*
 * This file is part of KDE.
 *
 * Copyright (c) 2001,2002,2003 Cornelius Schumacher <schumacher@kde.org>
 * Copyright (c) 2003 Waldo Bastian <bastian@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef KCONFIGSKELETON_H
#define KCONFIGSKELETON_H

#include <kdeui_export.h>

#include <kcoreconfigskeleton.h>

#include <QtGui/QColor>
#include <QtGui/QFont>

/**
 * @short Class for handling preferences settings for an application.
 * @author Cornelius Schumacher
 *
 * This class extends KCoreConfigSkeleton by support for GUI types.
 *
 */
class KDEUI_EXPORT KConfigSkeleton : public KCoreConfigSkeleton
{
  Q_OBJECT
public:
  /**
   * Class for handling a color preferences item.
   */
  class KDEUI_EXPORT ItemColor:public KConfigSkeletonGenericItem < QColor >
  {
  public:
    /** @copydoc KConfigSkeletonGenericItem::KConfigSkeletonGenericItem */
    ItemColor(const QString & _group, const QString & _key,
              QColor & reference,
              const QColor & defaultValue = QColor(128, 128, 128));

    /** @copydoc KConfigSkeletonItem::readConfig(KConfig*) */
    void readConfig(KConfig * config);

    /** @copydoc KConfigSkeletonItem::setProperty(const QVariant&) */
    void setProperty(const QVariant & p);

    /** @copydoc KConfigSkeletonItem::isEqual(const QVariant &) */
    bool isEqual(const QVariant &p) const;

    /** @copydoc KConfigSkeletonItem::property() */
    QVariant property() const;
  };


  /**
   * Class for handling a font preferences item.
   */
  class KDEUI_EXPORT ItemFont:public KConfigSkeletonGenericItem < QFont >
  {
  public:
    /** @copydoc KConfigSkeletonGenericItem::KConfigSkeletonGenericItem */
    ItemFont(const QString & _group, const QString & _key, QFont & reference,
             const QFont & defaultValue = QFont());

    /** @copydoc KConfigSkeletonItem::readConfig(KConfig*) */
    void readConfig(KConfig * config);

    /** @copydoc KConfigSkeletonItem::setProperty(const QVariant&) */
    void setProperty(const QVariant & p);

    /** @copydoc KConfigSkeletonItem::isEqual(const QVariant &) */
    bool isEqual(const QVariant &p) const;

    /** @copydoc KConfigSkeletonItem::property() */
    QVariant property() const;
  };

public:
  /**
   * Constructor.
   *
   * @param configname name of config file. If no name is given, the default
   * config file as returned by KGlobal::config() is used.
   */
  explicit KConfigSkeleton(const QString & configname = QString(), QObject* parent = 0);

  /**
   * Constructor.
   *
   * @param config configuration object to use.
   */
  explicit KConfigSkeleton(KSharedConfig::Ptr config, QObject* parent = 0);

  /**
   * Register an item of type QColor.
   *
   * @param name Name used to identify this setting. Names must be unique.
   * @param reference Pointer to the variable, which is set by readConfig()
   * calls and read by writeConfig() calls.
   * @param defaultValue Default value, which is used when the config file
   * does not yet contain the key of this item.
   * @param key Key used in config file. If key is null, name is used as key.
   * @return The created item
   */
  ItemColor *addItemColor(const QString & name, QColor & reference,
                          const QColor & defaultValue = QColor(128, 128, 128),
                          const QString & key = QString());

  /**
   * Register an item of type QFont.
   *
   * @param name Name used to identify this setting. Names must be unique.
   * @param reference Pointer to the variable, which is set by readConfig()
   * calls and read by writeConfig() calls.
   * @param defaultValue Default value, which is used when the config file
   * does not yet contain the key of this item.
   * @param key Key used in config file. If key is null, name is used as key.
   * @return The created item
   */
  ItemFont *addItemFont(const QString & name, QFont & reference,
                        const QFont & defaultValue = QFont(),
                        const QString & key = QString());

};

#endif