/***************************************************************************
                          fovdialog.h  -  description
                             -------------------
    begin                : Fri 05 Sept 2003
    copyright            : (C) 2003 by Jason Harris
    email                : kstars@30doradus.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 FOVDIALOG_H_
#define FOVDIALOG_H_

#include <QPaintEvent>
#include <QDialog>
#include <QDoubleSpinBox>

#include "fov.h"
#include "ui_fovdialog.h"
#include "ui_newfov.h"

class FOVDialogUI : public QFrame, public Ui::FOVDialog
{
    Q_OBJECT
  public:
    explicit FOVDialogUI(QWidget *parent = 0);
};

class NewFOVUI : public QFrame, public Ui::NewFOV
{
    Q_OBJECT
  public:
    explicit NewFOVUI(QWidget *parent = 0);
};

/** @class FOVDialog
 *  FOVDialog is dialog to select a Field-of-View indicator (or create a new one)
    *@author Jason Harris
    *@version 1.0
    */
class FOVDialog : public QDialog
{
    Q_OBJECT
  public:
    explicit FOVDialog(QWidget *parent = 0);
    virtual ~FOVDialog();
  private slots:
    void slotNewFOV();
    void slotEditFOV();
    void slotRemoveFOV();
    void slotSelect(int);

  private:
    /** Add new widget to list box */
    QListWidgetItem *addListWidget(FOV *f);

    unsigned int currentItem() const;
    FOVDialogUI *fov;
    static int fovID;
};

/** @class NewFOV Dialog for defining a new FOV symbol
	*@author Jason Harris
	*@version 1.0
	*/
class NewFOV : public QDialog
{
    Q_OBJECT
  public:
    /** Create new dialog
         * @param parent parent widget
         * @fov widget to copy data from. If it's empty will create empty one.
         */
    explicit NewFOV(QWidget *parent = 0, const FOV *fov = 0);
    ~NewFOV() {}
    /** Return reference to FOV. */
    const FOV &getFOV() const { return f; }

  public slots:
    void slotBinocularFOVDistanceChanged(int index);
    void slotUpdateFOV();
    void slotComputeFOV();
    void slotEyepieceAFOVChanged(int index);
    void slotComputeTelescopeFL();

  private:
    FOV f;
    NewFOVUI *ui;
    QPushButton *okB;
};

/**
 *@class TelescopeFL Dialog for calculating telescope focal length from f-number and diameter
 *@author Akarsh Simha
 *@version 1.0
 */

class TelescopeFL : public QDialog
{
    Q_OBJECT
  public:
    /**
         * Create a telescope focal length dialog
         * @param parent parent widget
         */
    explicit TelescopeFL(QWidget *parent = 0);

    ~TelescopeFL() {}

    /**
         * Compute and return the focal length in mm
         * @return focal length in mm
         */
    double computeFL() const;

  private:
    QDoubleSpinBox *aperture, *fNumber;
    QComboBox *apertureUnit;
};

#endif
