/*
    This file is part of KAddressBook.
    Copyright (c) 2002 Mike Pilone <mpilone@slac.com>

    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.

    As a special exception, permission is given to link this program
    with any edition of Qt, and distribute the resulting executable,
    without including the source code for Qt in the source distribution.
*/

#ifndef JUMPBUTTONBAR_H
#define JUMPBUTTONBAR_H

#include <QtGui/QWidget>

class QButtonGroup;
class QGroupBox;
class QResizeEvent;
class QPushButton;
class JumpButton;

namespace KAB {
class Core;
}


/**
  Used to draw the jump button bar on the right of the view.
 */
class JumpButtonBar : public QWidget
{
  Q_OBJECT

  public:
    JumpButtonBar( KAB::Core *core, QWidget *parent, const char *name = 0 );
    ~JumpButtonBar();

  public Q_SLOTS:
    void updateButtons();

  Q_SIGNALS:
    /**
      Emitted whenever a letter is selected by the user.
     */
    void jumpToLetter( const QString &character );

  protected Q_SLOTS:
    void letterClicked();

  protected:
    virtual void resizeEvent( QResizeEvent* );

  private:
    KAB::Core *mCore;

    QLayout *mLayout;
    QButtonGroup *mButtonGroup;
    QGroupBox *mGroupBox;
    QList<JumpButton*> mButtons;
    bool mButtonsUpdated;
};

#endif
