src/sky/legend.h

   1 /*
   2  * Copyright (C) 2008 Liam Girdwood
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __LEGEND_H__
  21 #define __LEGEND_H__
  22
  23 #include <gtk/gtk.h>
  24 #include <libnova/libnova.h>
  25
  26 G_BEGIN_DECLS
  27
  28 #define NOVA_TYPE_LEGEND \
  29         (legend_get_type ())
  30 #define NOVA_LEGEND(obj) \
  31         (G_TYPE_CHECK_INSTANCE_CAST ((obj), NOVA_TYPE_LEGEND, GtkLegend))
  32 #define NOVA_LEGEND_CLASS(obj) \
  33         (G_TYPE_CHECK_CLASS_CAST ((obj), NOVA_LEGEND, GtkLegendClass))
  34 #define NOVA_IS_LEGEND(obj) \
  35         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NOVA_TYPE_LEGEND))
  36 #define NOVA_IS_LEGEND_CLASS(obj) \
  37         (G_TYPE_CHECK_CLASS_TYPE ((obj), NOVA_TYPE_LEGEND))
  38 #define NOVA_LEGEND_GET_CLASS \
  39         (G_TYPE_INSTANCE_GET_CLASS ((obj), NOVA_TYPE_LEGEND, GtkLegendClass))
  40
  41 typedef struct _GtkLegend       GtkLegend;
  42 typedef struct _GtkLegendClass  GtkLegendClass;
  43
  44 struct _GtkLegend
  45 {
  46         GtkDrawingArea parent;
  47 };
  48
  49 struct _GtkLegendClass
  50 {
  51         GtkDrawingAreaClass parent_class;
  52 };
  53
  54 GtkWidget *legend_new(void);
  55
  56 typedef struct _Legend {
  57         struct ln_equ_posn pointer_pos;
  58         gdouble fov;
  59         gdouble bright_mag, faint_mag;
  60
  61 } Legend;
  62
  63 void legend_update_pointer(GtkWidget *gtk_legend, gdouble ra, gdouble dec);
  64 void legend_update_fov(GtkWidget *gtk_legend, gdouble fov, gdouble faint_mag,
  65         gdouble bright_mag);
  66
  67 G_END_DECLS
  68
  69 #endif