/******************************************************************************
 *  Copyright (C) 2005-2010 by                                                *
 *    Bjoern Erik Nilsen (bjoern.nilsen@bjoernen.com),                        *
 *    Fredrik Berg Kjoelstad (fredrikbk@hotmail.com),                         *
 *    Ralf Lange (ralf.lange@longsoft.de)                                     *
 *                                                                            *
 *  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.,                                           *
 *  59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.                 *
 ******************************************************************************/

#ifndef FLEXIBLESPINBOX_H
#define FLEXIBLESPINBOX_H

#include <QSpinBox>
#include <QKeyEvent>


/**
 * An extended spin box class.
 * @author Bjoern Erik Nilsen & Fredrik Berg Kjoelstad
 */
class FlexibleSpinBox : public QSpinBox
{
    Q_OBJECT
public:

    /**
     * Constructs and initializes the object.
     * @param parent the parent widget
     */
    FlexibleSpinBox(QWidget *parent = 0);

    /**
     * Checks what kind of key event the user has requested and
     * does actions based on this.
     * @param k the key event
     */
    void keyPressEvent(QKeyEvent * k);

public slots:
    /**
     * Sets a limit for the maximum value. This is based on the
     * the thumbnails displayed in the timeline.
     * @param maxValue maximum value (index of the last exposure in timeline)
     */
    void setMaximumValue(int maxValue);

signals:
    /**
     * Emits this signal when pressing enter.
     * @param frameNumber the choosen frame number in this spinbox
     */
    void spinBoxTriggered(int frameNumber);

    /**
     * Emits this signal when getting an escape event (Key_Escape).
     */
    void spinBoxCanceled();

protected:
    void showEvent(QShowEvent * event);
};

#endif