/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
    Gpredict: Real-time satellite tracking and orbit prediction program

    Copyright (C)  2001-2007  Alexandru Csete, OZ9AEC.

    Authors: Alexandru Csete <csete@users.sourceforge.net>

    Comments, questions and bugreports should be submitted via
    http://sourceforge.net/projects/groundstation/
    More details can be found at the project home page:

            http://groundstation.sourceforge.net/
 
    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, visit http://www.fsf.org/
*/
#ifndef __GTK_SKY_GLANCE_H__
#define __GTK_SKY_GLANCE_H__ 1

#include <glib.h>
#include <glib/gi18n.h>
#include <gdk/gdk.h>
#include <gtk/gtkwidget.h>
#include <gtk/gtkvbox.h>
#include "gtk-sat-data.h"
#include "predict-tools.h"
#include <goocanvas.h>


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */



#define GTK_SKY_GLANCE(obj)          GTK_CHECK_CAST (obj, gtk_sky_glance_get_type (), GtkSkyGlance)
#define GTK_SKY_GLANCE_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, gtk_sky_glance_get_type (), GtkSkyGlanceClass)
#define GTK_IS_SKY_GLANCE(obj)       GTK_CHECK_TYPE (obj, gtk_sky_glance_get_type ())
#define GTK_TYPE_SKY_GLANCE          (gtk_sky_glance_get_type ())
#define IS_GTK_SKY_GLANCE(obj)       GTK_CHECK_TYPE (obj, gtk_sky_glance_get_type ())

typedef struct _GtkSkyGlance        GtkSkyGlance;
typedef struct _GtkSkyGlanceClass   GtkSkyGlanceClass;


/** \brief Satellite object on graph. */
typedef struct {
	guint              catnum;  /*!< Catalogue number of satellite */
	pass_t             *pass;    /*!< Details of the corresponding pass. */
	GooCanvasItemModel *box;     /*!< Canvas item showing the pass */
} sky_pass_t;


#define SKY_PASS_T(obj) ((sky_pass_t *)obj)



struct _GtkSkyGlance
{
	GtkVBox vbox;

	GtkWidget  *canvas;   /*!< The canvas widget */

	GHashTable *sats;     /*!< Copy of satellites. */
	qth_t      *qth;      /*!< Pointer to current location. */

	GSList *passes;      /*!< Canvas items representing each pass.
						      Each element in the list is of type sky_pass_t.
						 */
	GSList *satlab;      /*!< Canvas items showing satellite names. */


	guint       x0;       /*!< X0 */
	guint       y0;       /*!< Y0 */
	guint       w;        /*!< width of the plot */
	guint       h;        /*!< height of the plot */
	guint       pps;      /*!< pixels per satellite */

	guint       numsat;   /*!< Number of satellites */
	guint       satcnt;   /*!< Counter to keep track of how many satellites we have
							   plotted so far when creating the boxes.
							   This is needed to ensure that we do not plot more
							   than 10 satellites and to know which colour to fetch
							   from sat-cfg.
						  */
	gdouble     ts,te;    /*!< Start and end times (Julian date) */

	GSList     *majors;   /*!< Major ticks for every hour */
	GSList     *minors;   /*!< Minor ticks for every 30 min */
	GSList     *labels;   /*!< Tick labels for every hour */
	
	GooCanvasItemModel *footer;  /*!< Footer area with time ticks and labels */
	GooCanvasItemModel *axisl;   /*!< Axis label */
	GooCanvasItemModel *cursor;  /*!< Vertical line tracking the cursor */
	GooCanvasItemModel *timel;   /*!< Label showing time under cursor */

};

struct _GtkSkyGlanceClass
{
	GtkVBoxClass parent_class;
};



GtkType        gtk_sky_glance_get_type   (void);
GtkWidget*     gtk_sky_glance_new        (GHashTable *sats, qth_t *qth);

/*
void           gtk_sky_glance_reconf     (GtkWidget *skg);

void gtk_sky_glance_reload_sats (GtkWidget *skg, GHashTable *sats);
*/


#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __GTK_SKY_GLANCE_H__ */